diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..653c25a --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +db_info.txt diff --git a/css/index.css b/css/index.css index 79f4003..6f6de3b 100644 --- a/css/index.css +++ b/css/index.css @@ -1,50 +1,50 @@ -@font-face { - font-family: 'Share Tech'; - font-style: normal; - font-weight: 400; - src: local('Share Tech Regular'), local('ShareTech-Regular'), url(../fonts/ShareTech.woff2) format('woff2'); - unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; -} - -* { - color: white; - font-family: 'Share Tech'; - font-size: 1.05em; -} - -body { - background-image: url("../images/bg.jpg"); - background-size: cover; -} - -h1 { - font-size: 3em; - margin: 20px; - text-shadow: 3px 2px rgb(153, 145, 175); - text-align: center; -} - -button { - color: black; - width: 100%; -} - -a { - color: lightcyan; - text-decoration: none; -} - -#actions { - display: grid; - grid-template-columns: repeat(4, 1fr); - grid-gap: 20px; - margin: 80px auto; - width: 700px; - justify-items: left; -} - -.play { - text-align: center; - text-shadow: 2px 1px rgb(153, 145, 175); - font-size: 1.5em; -} +@font-face { + font-family: 'Share Tech'; + font-style: normal; + font-weight: 400; + src: local('Share Tech Regular'), local('ShareTech-Regular'), url(../fonts/ShareTech.woff2) format('woff2'); + unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; +} + +* { + color: white; + font-family: 'Share Tech'; + font-size: 1.05em; +} + +body { + background-image: url("../images/bg.jpg"); + background-size: cover; +} + +h1 { + font-size: 3em; + margin: 20px; + text-shadow: 3px 2px rgb(153, 145, 175); + text-align: center; +} + +button { + color: black; + width: 100%; +} + +a { + color: lightcyan; + text-decoration: none; +} + +#actions { + display: grid; + grid-template-columns: repeat(4, 1fr); + grid-gap: 20px; + margin: 80px auto; + width: 700px; + justify-items: left; +} + +.play { + text-align: center; + text-shadow: 2px 1px rgb(153, 145, 175); + font-size: 1.5em; +} diff --git a/css/webtris.css b/css/webtris.css index 8dd8d1d..8e292e8 100644 --- a/css/webtris.css +++ b/css/webtris.css @@ -1,89 +1,89 @@ -@font-face { - font-family: 'Share Tech'; - font-style: normal; - font-weight: 400; - src: local('Share Tech Regular'), local('ShareTech-Regular'), url(../fonts/ShareTech.woff2) format('woff2'); - unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; -} -@font-face { - font-family: 'Share Tech Mono'; - font-style: normal; - font-weight: 400; - src: local('Share Tech Mono Regular'), local('ShareTechMono-Regular'), url(../fonts/ShareTechMono.woff2) format('woff2'); - unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; -} - -* { - padding: 0; - margin: 0; - color: white; - font-family: 'Share Tech'; -} - -body { - background-image: url("../images/bg.jpg"); - background-size: cover; -} - -h1 { - font-size: 3em; - margin: 40px 20px 20px 20px; - text-shadow: 3px 2px rgb(153, 145, 175); - text-align: center; -} - -canvas { - display: block; - flex-shrink: 0; -} - -.flex-columns { - display: flex; - flex-direction: row; - justify-content: center; - margin: auto; -} - -.flex-space { - flex-grow: 2; -} - -.flex-rows { - display: flex; - flex-direction: column; - margin: 5% 2%; - height: 400px; - width: 150px; -} - -#hold { - width: 120px; -} - -#stats { - display: flex; - flex-direction: row; - margin: 10% 0; - font-size: 1.2em; -} - -#stats-names { - font-family: 'Share Tech'; - text-align: left; -} - -#stats-values { - text-align: right; - font-family: 'Share Tech Mono'; - min-width: 90px; -} - -#matrix { - margin: 5% 2%; - border: 0.5px solid grey; -} - -#next { - width: 120px; - margin: 5% 2%; +@font-face { + font-family: 'Share Tech'; + font-style: normal; + font-weight: 400; + src: local('Share Tech Regular'), local('ShareTech-Regular'), url(../fonts/ShareTech.woff2) format('woff2'); + unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; +} +@font-face { + font-family: 'Share Tech Mono'; + font-style: normal; + font-weight: 400; + src: local('Share Tech Mono Regular'), local('ShareTechMono-Regular'), url(../fonts/ShareTechMono.woff2) format('woff2'); + unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; +} + +* { + padding: 0; + margin: 0; + color: white; + font-family: 'Share Tech'; +} + +body { + background-image: url("../images/bg.jpg"); + background-size: cover; +} + +h1 { + font-size: 3em; + margin: 40px 20px 20px 20px; + text-shadow: 3px 2px rgb(153, 145, 175); + text-align: center; +} + +canvas { + display: block; + flex-shrink: 0; +} + +.flex-columns { + display: flex; + flex-direction: row; + justify-content: center; + margin: auto; +} + +.flex-space { + flex-grow: 2; +} + +.flex-rows { + display: flex; + flex-direction: column; + margin: 5% 2%; + height: 400px; + width: 150px; +} + +#hold { + width: 120px; +} + +#stats { + display: flex; + flex-direction: row; + margin: 10% 0; + font-size: 1.2em; +} + +#stats-names { + font-family: 'Share Tech'; + text-align: left; +} + +#stats-values { + text-align: right; + font-family: 'Share Tech Mono'; + min-width: 90px; +} + +#matrix { + margin: 5% 2%; + border: 0.5px solid grey; +} + +#next { + width: 120px; + margin: 5% 2%; } \ No newline at end of file diff --git a/index.html b/index.html deleted file mode 100644 index 841f7da..0000000 --- a/index.html +++ /dev/null @@ -1,17 +0,0 @@ - - - - - Webtris - - - - -

WEBTRIS

-
-
-
- JOUER -
- - \ No newline at end of file diff --git a/index.php b/index.php new file mode 100644 index 0000000..7a05154 --- /dev/null +++ b/index.php @@ -0,0 +1,36 @@ + + + + + Webtris + + + + +

WEBTRIS

+
+ "GAUCHE", + "moveRight" => "DROITE", + "softDrop" => "CHUTE LENTE", + "hardDrop" => "CHUTE RAPIDE", + "rotateCW" => "ROTATION HORAIRE", + "rotateCCW:" => "ROTATE INVERSE", + "hold" => "GARDE", + "pause" => "PAUSE", + ); + foreach($actionLabel as $action => $label) + { + echo "
$label
\n"; + echo " \n"; + } +?> +
+
+ JOUER +
+ + \ No newline at end of file diff --git a/js/excanvas.js b/js/excanvas.js index 52829f8..b9f1cb2 100644 --- a/js/excanvas.js +++ b/js/excanvas.js @@ -1,1414 +1,1414 @@ -// Copyright 2006 Google Inc. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - - -// Known Issues: -// -// * Patterns only support repeat. -// * Radial gradient are not implemented. The VML version of these look very -// different from the canvas one. -// * Clipping paths are not implemented. -// * Coordsize. The width and height attribute have higher priority than the -// width and height style values which isn't correct. -// * Painting mode isn't implemented. -// * Canvas width/height should is using content-box by default. IE in -// Quirks mode will draw the canvas using border-box. Either change your -// doctype to HTML5 -// (http://www.whatwg.org/specs/web-apps/current-work/#the-doctype) -// or use Box Sizing Behavior from WebFX -// (http://webfx.eae.net/dhtml/boxsizing/boxsizing.html) -// * Non uniform scaling does not correctly scale strokes. -// * Optimize. There is always room for speed improvements. - -// Only add this code if we do not already have a canvas implementation -if (!document.createElement('canvas').getContext) { - -(function() { - - // alias some functions to make (compiled) code shorter - var m = Math; - var mr = m.round; - var ms = m.sin; - var mc = m.cos; - var abs = m.abs; - var sqrt = m.sqrt; - - // this is used for sub pixel precision - var Z = 10; - var Z2 = Z / 2; - - /** - * This funtion is assigned to the elements as element.getContext(). - * @this {HTMLElement} - * @return {CanvasRenderingContext2D_} - */ - function getContext() { - return this.context_ || - (this.context_ = new CanvasRenderingContext2D_(this)); - } - - var slice = Array.prototype.slice; - - /** - * Binds a function to an object. The returned function will always use the - * passed in {@code obj} as {@code this}. - * - * Example: - * - * g = bind(f, obj, a, b) - * g(c, d) // will do f.call(obj, a, b, c, d) - * - * @param {Function} f The function to bind the object to - * @param {Object} obj The object that should act as this when the function - * is called - * @param {*} var_args Rest arguments that will be used as the initial - * arguments when the function is called - * @return {Function} A new function that has bound this - */ - function bind(f, obj, var_args) { - var a = slice.call(arguments, 2); - return function() { - return f.apply(obj, a.concat(slice.call(arguments))); - }; - } - - function encodeHtmlAttribute(s) { - return String(s).replace(/&/g, '&').replace(/"/g, '"'); - } - - function addNamespace(doc, prefix, urn) { - if (!doc.namespaces[prefix]) { - doc.namespaces.add(prefix, urn, '#default#VML'); - } - } - - function addNamespacesAndStylesheet(doc) { - addNamespace(doc, 'g_vml_', 'urn:schemas-microsoft-com:vml'); - addNamespace(doc, 'g_o_', 'urn:schemas-microsoft-com:office:office'); - - // Setup default CSS. Only add one style sheet per document - if (!doc.styleSheets['ex_canvas_']) { - var ss = doc.createStyleSheet(); - ss.owningElement.id = 'ex_canvas_'; - ss.cssText = 'canvas{display:inline-block;overflow:hidden;' + - // default size is 300x150 in Gecko and Opera - 'text-align:left;width:300px;height:150px}'; - } - } - - // Add namespaces and stylesheet at startup. - addNamespacesAndStylesheet(document); - - var G_vmlCanvasManager_ = { - init: function(opt_doc) { - var doc = opt_doc || document; - // Create a dummy element so that IE will allow canvas elements to be - // recognized. - doc.createElement('canvas'); - doc.attachEvent('onreadystatechange', bind(this.init_, this, doc)); - }, - - init_: function(doc) { - // find all canvas elements - var els = doc.getElementsByTagName('canvas'); - for (var i = 0; i < els.length; i++) { - this.initElement(els[i]); - } - }, - - /** - * Public initializes a canvas element so that it can be used as canvas - * element from now on. This is called automatically before the page is - * loaded but if you are creating elements using createElement you need to - * make sure this is called on the element. - * @param {HTMLElement} el The canvas element to initialize. - * @return {HTMLElement} the element that was created. - */ - initElement: function(el) { - if (!el.getContext) { - el.getContext = getContext; - - // Add namespaces and stylesheet to document of the element. - addNamespacesAndStylesheet(el.ownerDocument); - - // Remove fallback content. There is no way to hide text nodes so we - // just remove all childNodes. We could hide all elements and remove - // text nodes but who really cares about the fallback content. - el.innerHTML = ''; - - // do not use inline function because that will leak memory - el.attachEvent('onpropertychange', onPropertyChange); - el.attachEvent('onresize', onResize); - - var attrs = el.attributes; - if (attrs.width && attrs.width.specified) { - // TODO: use runtimeStyle and coordsize - // el.getContext().setWidth_(attrs.width.nodeValue); - el.style.width = attrs.width.nodeValue + 'px'; - } else { - el.width = el.clientWidth; - } - if (attrs.height && attrs.height.specified) { - // TODO: use runtimeStyle and coordsize - // el.getContext().setHeight_(attrs.height.nodeValue); - el.style.height = attrs.height.nodeValue + 'px'; - } else { - el.height = el.clientHeight; - } - //el.getContext().setCoordsize_() - } - return el; - } - }; - - function onPropertyChange(e) { - var el = e.srcElement; - - switch (e.propertyName) { - case 'width': - el.getContext().clearRect(); - el.style.width = el.attributes.width.nodeValue + 'px'; - // In IE8 this does not trigger onresize. - el.firstChild.style.width = el.clientWidth + 'px'; - break; - case 'height': - el.getContext().clearRect(); - el.style.height = el.attributes.height.nodeValue + 'px'; - el.firstChild.style.height = el.clientHeight + 'px'; - break; - } - } - - function onResize(e) { - var el = e.srcElement; - if (el.firstChild) { - el.firstChild.style.width = el.clientWidth + 'px'; - el.firstChild.style.height = el.clientHeight + 'px'; - } - } - - G_vmlCanvasManager_.init(); - - // precompute "00" to "FF" - var decToHex = []; - for (var i = 0; i < 16; i++) { - for (var j = 0; j < 16; j++) { - decToHex[i * 16 + j] = i.toString(16) + j.toString(16); - } - } - - function createMatrixIdentity() { - return [ - [1, 0, 0], - [0, 1, 0], - [0, 0, 1] - ]; - } - - function matrixMultiply(m1, m2) { - var result = createMatrixIdentity(); - - for (var x = 0; x < 3; x++) { - for (var y = 0; y < 3; y++) { - var sum = 0; - - for (var z = 0; z < 3; z++) { - sum += m1[x][z] * m2[z][y]; - } - - result[x][y] = sum; - } - } - return result; - } - - function copyState(o1, o2) { - o2.fillStyle = o1.fillStyle; - o2.lineCap = o1.lineCap; - o2.lineJoin = o1.lineJoin; - o2.lineWidth = o1.lineWidth; - o2.miterLimit = o1.miterLimit; - o2.shadowBlur = o1.shadowBlur; - o2.shadowColor = o1.shadowColor; - o2.shadowOffsetX = o1.shadowOffsetX; - o2.shadowOffsetY = o1.shadowOffsetY; - o2.strokeStyle = o1.strokeStyle; - o2.globalAlpha = o1.globalAlpha; - o2.font = o1.font; - o2.textAlign = o1.textAlign; - o2.textBaseline = o1.textBaseline; - o2.arcScaleX_ = o1.arcScaleX_; - o2.arcScaleY_ = o1.arcScaleY_; - o2.lineScale_ = o1.lineScale_; - } - - var colorData = { - aliceblue: '#F0F8FF', - antiquewhite: '#FAEBD7', - aquamarine: '#7FFFD4', - azure: '#F0FFFF', - beige: '#F5F5DC', - bisque: '#FFE4C4', - black: '#000000', - blanchedalmond: '#FFEBCD', - blueviolet: '#8A2BE2', - brown: '#A52A2A', - burlywood: '#DEB887', - cadetblue: '#5F9EA0', - chartreuse: '#7FFF00', - chocolate: '#D2691E', - coral: '#FF7F50', - cornflowerblue: '#6495ED', - cornsilk: '#FFF8DC', - crimson: '#DC143C', - cyan: '#00FFFF', - darkblue: '#00008B', - darkcyan: '#008B8B', - darkgoldenrod: '#B8860B', - darkgray: '#A9A9A9', - darkgreen: '#006400', - darkgrey: '#A9A9A9', - darkkhaki: '#BDB76B', - darkmagenta: '#8B008B', - darkolivegreen: '#556B2F', - darkorange: '#FF8C00', - darkorchid: '#9932CC', - darkred: '#8B0000', - darksalmon: '#E9967A', - darkseagreen: '#8FBC8F', - darkslateblue: '#483D8B', - darkslategray: '#2F4F4F', - darkslategrey: '#2F4F4F', - darkturquoise: '#00CED1', - darkviolet: '#9400D3', - deeppink: '#FF1493', - deepskyblue: '#00BFFF', - dimgray: '#696969', - dimgrey: '#696969', - dodgerblue: '#1E90FF', - firebrick: '#B22222', - floralwhite: '#FFFAF0', - forestgreen: '#228B22', - gainsboro: '#DCDCDC', - ghostwhite: '#F8F8FF', - gold: '#FFD700', - goldenrod: '#DAA520', - grey: '#808080', - greenyellow: '#ADFF2F', - honeydew: '#F0FFF0', - hotpink: '#FF69B4', - indianred: '#CD5C5C', - indigo: '#4B0082', - ivory: '#FFFFF0', - khaki: '#F0E68C', - lavender: '#E6E6FA', - lavenderblush: '#FFF0F5', - lawngreen: '#7CFC00', - lemonchiffon: '#FFFACD', - lightblue: '#ADD8E6', - lightcoral: '#F08080', - lightcyan: '#E0FFFF', - lightgoldenrodyellow: '#FAFAD2', - lightgreen: '#90EE90', - lightgrey: '#D3D3D3', - lightpink: '#FFB6C1', - lightsalmon: '#FFA07A', - lightseagreen: '#20B2AA', - lightskyblue: '#87CEFA', - lightslategray: '#778899', - lightslategrey: '#778899', - lightsteelblue: '#B0C4DE', - lightyellow: '#FFFFE0', - limegreen: '#32CD32', - linen: '#FAF0E6', - magenta: '#FF00FF', - mediumaquamarine: '#66CDAA', - mediumblue: '#0000CD', - mediumorchid: '#BA55D3', - mediumpurple: '#9370DB', - mediumseagreen: '#3CB371', - mediumslateblue: '#7B68EE', - mediumspringgreen: '#00FA9A', - mediumturquoise: '#48D1CC', - mediumvioletred: '#C71585', - midnightblue: '#191970', - mintcream: '#F5FFFA', - mistyrose: '#FFE4E1', - moccasin: '#FFE4B5', - navajowhite: '#FFDEAD', - oldlace: '#FDF5E6', - olivedrab: '#6B8E23', - orange: '#FFA500', - orangered: '#FF4500', - orchid: '#DA70D6', - palegoldenrod: '#EEE8AA', - palegreen: '#98FB98', - paleturquoise: '#AFEEEE', - palevioletred: '#DB7093', - papayawhip: '#FFEFD5', - peachpuff: '#FFDAB9', - peru: '#CD853F', - pink: '#FFC0CB', - plum: '#DDA0DD', - powderblue: '#B0E0E6', - rosybrown: '#BC8F8F', - royalblue: '#4169E1', - saddlebrown: '#8B4513', - salmon: '#FA8072', - sandybrown: '#F4A460', - seagreen: '#2E8B57', - seashell: '#FFF5EE', - sienna: '#A0522D', - skyblue: '#87CEEB', - slateblue: '#6A5ACD', - slategray: '#708090', - slategrey: '#708090', - snow: '#FFFAFA', - springgreen: '#00FF7F', - steelblue: '#4682B4', - tan: '#D2B48C', - thistle: '#D8BFD8', - tomato: '#FF6347', - turquoise: '#40E0D0', - violet: '#EE82EE', - wheat: '#F5DEB3', - whitesmoke: '#F5F5F5', - yellowgreen: '#9ACD32' - }; - - - function getRgbHslContent(styleString) { - var start = styleString.indexOf('(', 3); - var end = styleString.indexOf(')', start + 1); - var parts = styleString.substring(start + 1, end).split(','); - // add alpha if needed - if (parts.length != 4 || styleString.charAt(3) != 'a') { - parts[3] = 1; - } - return parts; - } - - function percent(s) { - return parseFloat(s) / 100; - } - - function clamp(v, min, max) { - return Math.min(max, Math.max(min, v)); - } - - function hslToRgb(parts){ - var r, g, b, h, s, l; - h = parseFloat(parts[0]) / 360 % 360; - if (h < 0) - h++; - s = clamp(percent(parts[1]), 0, 1); - l = clamp(percent(parts[2]), 0, 1); - if (s == 0) { - r = g = b = l; // achromatic - } else { - var q = l < 0.5 ? l * (1 + s) : l + s - l * s; - var p = 2 * l - q; - r = hueToRgb(p, q, h + 1 / 3); - g = hueToRgb(p, q, h); - b = hueToRgb(p, q, h - 1 / 3); - } - - return '#' + decToHex[Math.floor(r * 255)] + - decToHex[Math.floor(g * 255)] + - decToHex[Math.floor(b * 255)]; - } - - function hueToRgb(m1, m2, h) { - if (h < 0) - h++; - if (h > 1) - h--; - - if (6 * h < 1) - return m1 + (m2 - m1) * 6 * h; - else if (2 * h < 1) - return m2; - else if (3 * h < 2) - return m1 + (m2 - m1) * (2 / 3 - h) * 6; - else - return m1; - } - - var processStyleCache = {}; - - function processStyle(styleString) { - if (styleString in processStyleCache) { - return processStyleCache[styleString]; - } - - var str, alpha = 1; - - styleString = String(styleString); - if (styleString.charAt(0) == '#') { - str = styleString; - } else if (/^rgb/.test(styleString)) { - var parts = getRgbHslContent(styleString); - var str = '#', n; - for (var i = 0; i < 3; i++) { - if (parts[i].indexOf('%') != -1) { - n = Math.floor(percent(parts[i]) * 255); - } else { - n = +parts[i]; - } - str += decToHex[clamp(n, 0, 255)]; - } - alpha = +parts[3]; - } else if (/^hsl/.test(styleString)) { - var parts = getRgbHslContent(styleString); - str = hslToRgb(parts); - alpha = parts[3]; - } else { - str = colorData[styleString] || styleString; - } - return processStyleCache[styleString] = {color: str, alpha: alpha}; - } - - var DEFAULT_STYLE = { - style: 'normal', - variant: 'normal', - weight: 'normal', - size: 10, - family: 'sans-serif' - }; - - // Internal text style cache - var fontStyleCache = {}; - - function processFontStyle(styleString) { - if (fontStyleCache[styleString]) { - return fontStyleCache[styleString]; - } - - var el = document.createElement('div'); - var style = el.style; - try { - style.font = styleString; - } catch (ex) { - // Ignore failures to set to invalid font. - } - - return fontStyleCache[styleString] = { - style: style.fontStyle || DEFAULT_STYLE.style, - variant: style.fontVariant || DEFAULT_STYLE.variant, - weight: style.fontWeight || DEFAULT_STYLE.weight, - size: style.fontSize || DEFAULT_STYLE.size, - family: style.fontFamily || DEFAULT_STYLE.family - }; - } - - function getComputedStyle(style, element) { - var computedStyle = {}; - - for (var p in style) { - computedStyle[p] = style[p]; - } - - // Compute the size - var canvasFontSize = parseFloat(element.currentStyle.fontSize), - fontSize = parseFloat(style.size); - - if (typeof style.size == 'number') { - computedStyle.size = style.size; - } else if (style.size.indexOf('px') != -1) { - computedStyle.size = fontSize; - } else if (style.size.indexOf('em') != -1) { - computedStyle.size = canvasFontSize * fontSize; - } else if(style.size.indexOf('%') != -1) { - computedStyle.size = (canvasFontSize / 100) * fontSize; - } else if (style.size.indexOf('pt') != -1) { - computedStyle.size = fontSize / .75; - } else { - computedStyle.size = canvasFontSize; - } - - // Different scaling between normal text and VML text. This was found using - // trial and error to get the same size as non VML text. - computedStyle.size *= 0.981; - - return computedStyle; - } - - function buildStyle(style) { - return style.style + ' ' + style.variant + ' ' + style.weight + ' ' + - style.size + 'px ' + style.family; - } - - var lineCapMap = { - 'butt': 'flat', - 'round': 'round' - }; - - function processLineCap(lineCap) { - return lineCapMap[lineCap] || 'square'; - } - - /** - * This class implements CanvasRenderingContext2D interface as described by - * the WHATWG. - * @param {HTMLElement} canvasElement The element that the 2D context should - * be associated with - */ - function CanvasRenderingContext2D_(canvasElement) { - this.m_ = createMatrixIdentity(); - - this.mStack_ = []; - this.aStack_ = []; - this.currentPath_ = []; - - // Canvas context properties - this.strokeStyle = '#000'; - this.fillStyle = '#000'; - - this.lineWidth = 1; - this.lineJoin = 'miter'; - this.lineCap = 'butt'; - this.miterLimit = Z * 1; - this.globalAlpha = 1; - this.font = '10px sans-serif'; - this.textAlign = 'left'; - this.textBaseline = 'alphabetic'; - this.canvas = canvasElement; - - var cssText = 'width:' + canvasElement.clientWidth + 'px;height:' + - canvasElement.clientHeight + 'px;overflow:hidden;position:absolute'; - var el = canvasElement.ownerDocument.createElement('div'); - el.style.cssText = cssText; - canvasElement.appendChild(el); - - var overlayEl = el.cloneNode(false); - // Use a non transparent background. - overlayEl.style.backgroundColor = 'red'; - overlayEl.style.filter = 'alpha(opacity=0)'; - canvasElement.appendChild(overlayEl); - - this.element_ = el; - this.arcScaleX_ = 1; - this.arcScaleY_ = 1; - this.lineScale_ = 1; - } - - var contextPrototype = CanvasRenderingContext2D_.prototype; - contextPrototype.clearRect = function() { - if (this.textMeasureEl_) { - this.textMeasureEl_.removeNode(true); - this.textMeasureEl_ = null; - } - this.element_.innerHTML = ''; - }; - - contextPrototype.beginPath = function() { - // TODO: Branch current matrix so that save/restore has no effect - // as per safari docs. - this.currentPath_ = []; - }; - - contextPrototype.moveTo = function(aX, aY) { - var p = getCoords(this, aX, aY); - this.currentPath_.push({type: 'moveTo', x: p.x, y: p.y}); - this.currentX_ = p.x; - this.currentY_ = p.y; - }; - - contextPrototype.lineTo = function(aX, aY) { - var p = getCoords(this, aX, aY); - this.currentPath_.push({type: 'lineTo', x: p.x, y: p.y}); - - this.currentX_ = p.x; - this.currentY_ = p.y; - }; - - contextPrototype.bezierCurveTo = function(aCP1x, aCP1y, - aCP2x, aCP2y, - aX, aY) { - var p = getCoords(this, aX, aY); - var cp1 = getCoords(this, aCP1x, aCP1y); - var cp2 = getCoords(this, aCP2x, aCP2y); - bezierCurveTo(this, cp1, cp2, p); - }; - - // Helper function that takes the already fixed cordinates. - function bezierCurveTo(self, cp1, cp2, p) { - self.currentPath_.push({ - type: 'bezierCurveTo', - cp1x: cp1.x, - cp1y: cp1.y, - cp2x: cp2.x, - cp2y: cp2.y, - x: p.x, - y: p.y - }); - self.currentX_ = p.x; - self.currentY_ = p.y; - } - - contextPrototype.quadraticCurveTo = function(aCPx, aCPy, aX, aY) { - // the following is lifted almost directly from - // http://developer.mozilla.org/en/docs/Canvas_tutorial:Drawing_shapes - - var cp = getCoords(this, aCPx, aCPy); - var p = getCoords(this, aX, aY); - - var cp1 = { - x: this.currentX_ + 2.0 / 3.0 * (cp.x - this.currentX_), - y: this.currentY_ + 2.0 / 3.0 * (cp.y - this.currentY_) - }; - var cp2 = { - x: cp1.x + (p.x - this.currentX_) / 3.0, - y: cp1.y + (p.y - this.currentY_) / 3.0 - }; - - bezierCurveTo(this, cp1, cp2, p); - }; - - contextPrototype.arc = function(aX, aY, aRadius, - aStartAngle, aEndAngle, aClockwise) { - aRadius *= Z; - var arcType = aClockwise ? 'at' : 'wa'; - - var xStart = aX + mc(aStartAngle) * aRadius - Z2; - var yStart = aY + ms(aStartAngle) * aRadius - Z2; - - var xEnd = aX + mc(aEndAngle) * aRadius - Z2; - var yEnd = aY + ms(aEndAngle) * aRadius - Z2; - - // IE won't render arches drawn counter clockwise if xStart == xEnd. - if (xStart == xEnd && !aClockwise) { - xStart += 0.125; // Offset xStart by 1/80 of a pixel. Use something - // that can be represented in binary - } - - var p = getCoords(this, aX, aY); - var pStart = getCoords(this, xStart, yStart); - var pEnd = getCoords(this, xEnd, yEnd); - - this.currentPath_.push({type: arcType, - x: p.x, - y: p.y, - radius: aRadius, - xStart: pStart.x, - yStart: pStart.y, - xEnd: pEnd.x, - yEnd: pEnd.y}); - - }; - - contextPrototype.rect = function(aX, aY, aWidth, aHeight) { - this.moveTo(aX, aY); - this.lineTo(aX + aWidth, aY); - this.lineTo(aX + aWidth, aY + aHeight); - this.lineTo(aX, aY + aHeight); - this.closePath(); - }; - - contextPrototype.strokeRect = function(aX, aY, aWidth, aHeight) { - var oldPath = this.currentPath_; - this.beginPath(); - - this.moveTo(aX, aY); - this.lineTo(aX + aWidth, aY); - this.lineTo(aX + aWidth, aY + aHeight); - this.lineTo(aX, aY + aHeight); - this.closePath(); - this.stroke(); - - this.currentPath_ = oldPath; - }; - - contextPrototype.fillRect = function(aX, aY, aWidth, aHeight) { - var oldPath = this.currentPath_; - this.beginPath(); - - this.moveTo(aX, aY); - this.lineTo(aX + aWidth, aY); - this.lineTo(aX + aWidth, aY + aHeight); - this.lineTo(aX, aY + aHeight); - this.closePath(); - this.fill(); - - this.currentPath_ = oldPath; - }; - - contextPrototype.createLinearGradient = function(aX0, aY0, aX1, aY1) { - var gradient = new CanvasGradient_('gradient'); - gradient.x0_ = aX0; - gradient.y0_ = aY0; - gradient.x1_ = aX1; - gradient.y1_ = aY1; - return gradient; - }; - - contextPrototype.createRadialGradient = function(aX0, aY0, aR0, - aX1, aY1, aR1) { - var gradient = new CanvasGradient_('gradientradial'); - gradient.x0_ = aX0; - gradient.y0_ = aY0; - gradient.r0_ = aR0; - gradient.x1_ = aX1; - gradient.y1_ = aY1; - gradient.r1_ = aR1; - return gradient; - }; - - contextPrototype.drawImage = function(image, var_args) { - var dx, dy, dw, dh, sx, sy, sw, sh; - - // to find the original width we overide the width and height - var oldRuntimeWidth = image.runtimeStyle.width; - var oldRuntimeHeight = image.runtimeStyle.height; - image.runtimeStyle.width = 'auto'; - image.runtimeStyle.height = 'auto'; - - // get the original size - var w = image.width; - var h = image.height; - - // and remove overides - image.runtimeStyle.width = oldRuntimeWidth; - image.runtimeStyle.height = oldRuntimeHeight; - - if (arguments.length == 3) { - dx = arguments[1]; - dy = arguments[2]; - sx = sy = 0; - sw = dw = w; - sh = dh = h; - } else if (arguments.length == 5) { - dx = arguments[1]; - dy = arguments[2]; - dw = arguments[3]; - dh = arguments[4]; - sx = sy = 0; - sw = w; - sh = h; - } else if (arguments.length == 9) { - sx = arguments[1]; - sy = arguments[2]; - sw = arguments[3]; - sh = arguments[4]; - dx = arguments[5]; - dy = arguments[6]; - dw = arguments[7]; - dh = arguments[8]; - } else { - throw Error('Invalid number of arguments'); - } - - var d = getCoords(this, dx, dy); - - var w2 = sw / 2; - var h2 = sh / 2; - - var vmlStr = []; - - var W = 10; - var H = 10; - - // For some reason that I've now forgotten, using divs didn't work - vmlStr.push(' ' , - '', - ''); - - this.element_.insertAdjacentHTML('BeforeEnd', vmlStr.join('')); - }; - - contextPrototype.stroke = function(aFill) { - var lineStr = []; - var lineOpen = false; - - var W = 10; - var H = 10; - - lineStr.push(''); - - if (!aFill) { - appendStroke(this, lineStr); - } else { - appendFill(this, lineStr, min, max); - } - - lineStr.push(''); - - this.element_.insertAdjacentHTML('beforeEnd', lineStr.join('')); - }; - - function appendStroke(ctx, lineStr) { - var a = processStyle(ctx.strokeStyle); - var color = a.color; - var opacity = a.alpha * ctx.globalAlpha; - var lineWidth = ctx.lineScale_ * ctx.lineWidth; - - // VML cannot correctly render a line if the width is less than 1px. - // In that case, we dilute the color to make the line look thinner. - if (lineWidth < 1) { - opacity *= lineWidth; - } - - lineStr.push( - '' - ); - } - - function appendFill(ctx, lineStr, min, max) { - var fillStyle = ctx.fillStyle; - var arcScaleX = ctx.arcScaleX_; - var arcScaleY = ctx.arcScaleY_; - var width = max.x - min.x; - var height = max.y - min.y; - if (fillStyle instanceof CanvasGradient_) { - // TODO: Gradients transformed with the transformation matrix. - var angle = 0; - var focus = {x: 0, y: 0}; - - // additional offset - var shift = 0; - // scale factor for offset - var expansion = 1; - - if (fillStyle.type_ == 'gradient') { - var x0 = fillStyle.x0_ / arcScaleX; - var y0 = fillStyle.y0_ / arcScaleY; - var x1 = fillStyle.x1_ / arcScaleX; - var y1 = fillStyle.y1_ / arcScaleY; - var p0 = getCoords(ctx, x0, y0); - var p1 = getCoords(ctx, x1, y1); - var dx = p1.x - p0.x; - var dy = p1.y - p0.y; - angle = Math.atan2(dx, dy) * 180 / Math.PI; - - // The angle should be a non-negative number. - if (angle < 0) { - angle += 360; - } - - // Very small angles produce an unexpected result because they are - // converted to a scientific notation string. - if (angle < 1e-6) { - angle = 0; - } - } else { - var p0 = getCoords(ctx, fillStyle.x0_, fillStyle.y0_); - focus = { - x: (p0.x - min.x) / width, - y: (p0.y - min.y) / height - }; - - width /= arcScaleX * Z; - height /= arcScaleY * Z; - var dimension = m.max(width, height); - shift = 2 * fillStyle.r0_ / dimension; - expansion = 2 * fillStyle.r1_ / dimension - shift; - } - - // We need to sort the color stops in ascending order by offset, - // otherwise IE won't interpret it correctly. - var stops = fillStyle.colors_; - stops.sort(function(cs1, cs2) { - return cs1.offset - cs2.offset; - }); - - var length = stops.length; - var color1 = stops[0].color; - var color2 = stops[length - 1].color; - var opacity1 = stops[0].alpha * ctx.globalAlpha; - var opacity2 = stops[length - 1].alpha * ctx.globalAlpha; - - var colors = []; - for (var i = 0; i < length; i++) { - var stop = stops[i]; - colors.push(stop.offset * expansion + shift + ' ' + stop.color); - } - - // When colors attribute is used, the meanings of opacity and o:opacity2 - // are reversed. - lineStr.push(''); - } else if (fillStyle instanceof CanvasPattern_) { - if (width && height) { - var deltaLeft = -min.x; - var deltaTop = -min.y; - lineStr.push(''); - } - } else { - var a = processStyle(ctx.fillStyle); - var color = a.color; - var opacity = a.alpha * ctx.globalAlpha; - lineStr.push(''); - } - } - - contextPrototype.fill = function() { - this.stroke(true); - }; - - contextPrototype.closePath = function() { - this.currentPath_.push({type: 'close'}); - }; - - function getCoords(ctx, aX, aY) { - var m = ctx.m_; - return { - x: Z * (aX * m[0][0] + aY * m[1][0] + m[2][0]) - Z2, - y: Z * (aX * m[0][1] + aY * m[1][1] + m[2][1]) - Z2 - }; - }; - - contextPrototype.save = function() { - var o = {}; - copyState(this, o); - this.aStack_.push(o); - this.mStack_.push(this.m_); - this.m_ = matrixMultiply(createMatrixIdentity(), this.m_); - }; - - contextPrototype.restore = function() { - if (this.aStack_.length) { - copyState(this.aStack_.pop(), this); - this.m_ = this.mStack_.pop(); - } - }; - - function matrixIsFinite(m) { - return isFinite(m[0][0]) && isFinite(m[0][1]) && - isFinite(m[1][0]) && isFinite(m[1][1]) && - isFinite(m[2][0]) && isFinite(m[2][1]); - } - - function setM(ctx, m, updateLineScale) { - if (!matrixIsFinite(m)) { - return; - } - ctx.m_ = m; - - if (updateLineScale) { - // Get the line scale. - // Determinant of this.m_ means how much the area is enlarged by the - // transformation. So its square root can be used as a scale factor - // for width. - var det = m[0][0] * m[1][1] - m[0][1] * m[1][0]; - ctx.lineScale_ = sqrt(abs(det)); - } - } - - contextPrototype.translate = function(aX, aY) { - var m1 = [ - [1, 0, 0], - [0, 1, 0], - [aX, aY, 1] - ]; - - setM(this, matrixMultiply(m1, this.m_), false); - }; - - contextPrototype.rotate = function(aRot) { - var c = mc(aRot); - var s = ms(aRot); - - var m1 = [ - [c, s, 0], - [-s, c, 0], - [0, 0, 1] - ]; - - setM(this, matrixMultiply(m1, this.m_), false); - }; - - contextPrototype.scale = function(aX, aY) { - this.arcScaleX_ *= aX; - this.arcScaleY_ *= aY; - var m1 = [ - [aX, 0, 0], - [0, aY, 0], - [0, 0, 1] - ]; - - setM(this, matrixMultiply(m1, this.m_), true); - }; - - contextPrototype.transform = function(m11, m12, m21, m22, dx, dy) { - var m1 = [ - [m11, m12, 0], - [m21, m22, 0], - [dx, dy, 1] - ]; - - setM(this, matrixMultiply(m1, this.m_), true); - }; - - contextPrototype.setTransform = function(m11, m12, m21, m22, dx, dy) { - var m = [ - [m11, m12, 0], - [m21, m22, 0], - [dx, dy, 1] - ]; - - setM(this, m, true); - }; - - /** - * The text drawing function. - * The maxWidth argument isn't taken in account, since no browser supports - * it yet. - */ - contextPrototype.drawText_ = function(text, x, y, maxWidth, stroke) { - var m = this.m_, - delta = 1000, - left = 0, - right = delta, - offset = {x: 0, y: 0}, - lineStr = []; - - var fontStyle = getComputedStyle(processFontStyle(this.font), - this.element_); - - var fontStyleString = buildStyle(fontStyle); - - var elementStyle = this.element_.currentStyle; - var textAlign = this.textAlign.toLowerCase(); - switch (textAlign) { - case 'left': - case 'center': - case 'right': - break; - case 'end': - textAlign = elementStyle.direction == 'ltr' ? 'right' : 'left'; - break; - case 'start': - textAlign = elementStyle.direction == 'rtl' ? 'right' : 'left'; - break; - default: - textAlign = 'left'; - } - - // 1.75 is an arbitrary number, as there is no info about the text baseline - switch (this.textBaseline) { - case 'hanging': - case 'top': - offset.y = fontStyle.size / 1.75; - break; - case 'middle': - break; - default: - case null: - case 'alphabetic': - case 'ideographic': - case 'bottom': - offset.y = -fontStyle.size / 2.25; - break; - } - - switch(textAlign) { - case 'right': - left = delta; - right = 0.05; - break; - case 'center': - left = right = delta / 2; - break; - } - - var d = getCoords(this, x + offset.x, y + offset.y); - - lineStr.push(''); - - if (stroke) { - appendStroke(this, lineStr); - } else { - // TODO: Fix the min and max params. - appendFill(this, lineStr, {x: -left, y: 0}, - {x: right, y: fontStyle.size}); - } - - var skewM = m[0][0].toFixed(3) + ',' + m[1][0].toFixed(3) + ',' + - m[0][1].toFixed(3) + ',' + m[1][1].toFixed(3) + ',0,0'; - - var skewOffset = mr(d.x / Z) + ',' + mr(d.y / Z); - - lineStr.push('', - '', - ''); - - this.element_.insertAdjacentHTML('beforeEnd', lineStr.join('')); - }; - - contextPrototype.fillText = function(text, x, y, maxWidth) { - this.drawText_(text, x, y, maxWidth, false); - }; - - contextPrototype.strokeText = function(text, x, y, maxWidth) { - this.drawText_(text, x, y, maxWidth, true); - }; - - contextPrototype.measureText = function(text) { - if (!this.textMeasureEl_) { - var s = ''; - this.element_.insertAdjacentHTML('beforeEnd', s); - this.textMeasureEl_ = this.element_.lastChild; - } - var doc = this.element_.ownerDocument; - this.textMeasureEl_.innerHTML = ''; - this.textMeasureEl_.style.font = this.font; - // Don't use innerHTML or innerText because they allow markup/whitespace. - this.textMeasureEl_.appendChild(doc.createTextNode(text)); - return {width: this.textMeasureEl_.offsetWidth}; - }; - - /******** STUBS ********/ - contextPrototype.clip = function() { - // TODO: Implement - }; - - contextPrototype.arcTo = function() { - // TODO: Implement - }; - - contextPrototype.createPattern = function(image, repetition) { - return new CanvasPattern_(image, repetition); - }; - - // Gradient / Pattern Stubs - function CanvasGradient_(aType) { - this.type_ = aType; - this.x0_ = 0; - this.y0_ = 0; - this.r0_ = 0; - this.x1_ = 0; - this.y1_ = 0; - this.r1_ = 0; - this.colors_ = []; - } - - CanvasGradient_.prototype.addColorStop = function(aOffset, aColor) { - aColor = processStyle(aColor); - this.colors_.push({offset: aOffset, - color: aColor.color, - alpha: aColor.alpha}); - }; - - function CanvasPattern_(image, repetition) { - assertImageIsValid(image); - switch (repetition) { - case 'repeat': - case null: - case '': - this.repetition_ = 'repeat'; - break - case 'repeat-x': - case 'repeat-y': - case 'no-repeat': - this.repetition_ = repetition; - break; - default: - throwException('SYNTAX_ERR'); - } - - this.src_ = image.src; - this.width_ = image.width; - this.height_ = image.height; - } - - function throwException(s) { - throw new DOMException_(s); - } - - function assertImageIsValid(img) { - if (!img || img.nodeType != 1 || img.tagName != 'IMG') { - throwException('TYPE_MISMATCH_ERR'); - } - if (img.readyState != 'complete') { - throwException('INVALID_STATE_ERR'); - } - } - - function DOMException_(s) { - this.code = this[s]; - this.message = s +': DOM Exception ' + this.code; - } - var p = DOMException_.prototype = new Error; - p.INDEX_SIZE_ERR = 1; - p.DOMSTRING_SIZE_ERR = 2; - p.HIERARCHY_REQUEST_ERR = 3; - p.WRONG_DOCUMENT_ERR = 4; - p.INVALID_CHARACTER_ERR = 5; - p.NO_DATA_ALLOWED_ERR = 6; - p.NO_MODIFICATION_ALLOWED_ERR = 7; - p.NOT_FOUND_ERR = 8; - p.NOT_SUPPORTED_ERR = 9; - p.INUSE_ATTRIBUTE_ERR = 10; - p.INVALID_STATE_ERR = 11; - p.SYNTAX_ERR = 12; - p.INVALID_MODIFICATION_ERR = 13; - p.NAMESPACE_ERR = 14; - p.INVALID_ACCESS_ERR = 15; - p.VALIDATION_ERR = 16; - p.TYPE_MISMATCH_ERR = 17; - - // set up externs - G_vmlCanvasManager = G_vmlCanvasManager_; - CanvasRenderingContext2D = CanvasRenderingContext2D_; - CanvasGradient = CanvasGradient_; - CanvasPattern = CanvasPattern_; - DOMException = DOMException_; -})(); - -} // if +// Copyright 2006 Google Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + + +// Known Issues: +// +// * Patterns only support repeat. +// * Radial gradient are not implemented. The VML version of these look very +// different from the canvas one. +// * Clipping paths are not implemented. +// * Coordsize. The width and height attribute have higher priority than the +// width and height style values which isn't correct. +// * Painting mode isn't implemented. +// * Canvas width/height should is using content-box by default. IE in +// Quirks mode will draw the canvas using border-box. Either change your +// doctype to HTML5 +// (http://www.whatwg.org/specs/web-apps/current-work/#the-doctype) +// or use Box Sizing Behavior from WebFX +// (http://webfx.eae.net/dhtml/boxsizing/boxsizing.html) +// * Non uniform scaling does not correctly scale strokes. +// * Optimize. There is always room for speed improvements. + +// Only add this code if we do not already have a canvas implementation +if (!document.createElement('canvas').getContext) { + +(function() { + + // alias some functions to make (compiled) code shorter + var m = Math; + var mr = m.round; + var ms = m.sin; + var mc = m.cos; + var abs = m.abs; + var sqrt = m.sqrt; + + // this is used for sub pixel precision + var Z = 10; + var Z2 = Z / 2; + + /** + * This funtion is assigned to the elements as element.getContext(). + * @this {HTMLElement} + * @return {CanvasRenderingContext2D_} + */ + function getContext() { + return this.context_ || + (this.context_ = new CanvasRenderingContext2D_(this)); + } + + var slice = Array.prototype.slice; + + /** + * Binds a function to an object. The returned function will always use the + * passed in {@code obj} as {@code this}. + * + * Example: + * + * g = bind(f, obj, a, b) + * g(c, d) // will do f.call(obj, a, b, c, d) + * + * @param {Function} f The function to bind the object to + * @param {Object} obj The object that should act as this when the function + * is called + * @param {*} var_args Rest arguments that will be used as the initial + * arguments when the function is called + * @return {Function} A new function that has bound this + */ + function bind(f, obj, var_args) { + var a = slice.call(arguments, 2); + return function() { + return f.apply(obj, a.concat(slice.call(arguments))); + }; + } + + function encodeHtmlAttribute(s) { + return String(s).replace(/&/g, '&').replace(/"/g, '"'); + } + + function addNamespace(doc, prefix, urn) { + if (!doc.namespaces[prefix]) { + doc.namespaces.add(prefix, urn, '#default#VML'); + } + } + + function addNamespacesAndStylesheet(doc) { + addNamespace(doc, 'g_vml_', 'urn:schemas-microsoft-com:vml'); + addNamespace(doc, 'g_o_', 'urn:schemas-microsoft-com:office:office'); + + // Setup default CSS. Only add one style sheet per document + if (!doc.styleSheets['ex_canvas_']) { + var ss = doc.createStyleSheet(); + ss.owningElement.id = 'ex_canvas_'; + ss.cssText = 'canvas{display:inline-block;overflow:hidden;' + + // default size is 300x150 in Gecko and Opera + 'text-align:left;width:300px;height:150px}'; + } + } + + // Add namespaces and stylesheet at startup. + addNamespacesAndStylesheet(document); + + var G_vmlCanvasManager_ = { + init: function(opt_doc) { + var doc = opt_doc || document; + // Create a dummy element so that IE will allow canvas elements to be + // recognized. + doc.createElement('canvas'); + doc.attachEvent('onreadystatechange', bind(this.init_, this, doc)); + }, + + init_: function(doc) { + // find all canvas elements + var els = doc.getElementsByTagName('canvas'); + for (var i = 0; i < els.length; i++) { + this.initElement(els[i]); + } + }, + + /** + * Public initializes a canvas element so that it can be used as canvas + * element from now on. This is called automatically before the page is + * loaded but if you are creating elements using createElement you need to + * make sure this is called on the element. + * @param {HTMLElement} el The canvas element to initialize. + * @return {HTMLElement} the element that was created. + */ + initElement: function(el) { + if (!el.getContext) { + el.getContext = getContext; + + // Add namespaces and stylesheet to document of the element. + addNamespacesAndStylesheet(el.ownerDocument); + + // Remove fallback content. There is no way to hide text nodes so we + // just remove all childNodes. We could hide all elements and remove + // text nodes but who really cares about the fallback content. + el.innerHTML = ''; + + // do not use inline function because that will leak memory + el.attachEvent('onpropertychange', onPropertyChange); + el.attachEvent('onresize', onResize); + + var attrs = el.attributes; + if (attrs.width && attrs.width.specified) { + // TODO: use runtimeStyle and coordsize + // el.getContext().setWidth_(attrs.width.nodeValue); + el.style.width = attrs.width.nodeValue + 'px'; + } else { + el.width = el.clientWidth; + } + if (attrs.height && attrs.height.specified) { + // TODO: use runtimeStyle and coordsize + // el.getContext().setHeight_(attrs.height.nodeValue); + el.style.height = attrs.height.nodeValue + 'px'; + } else { + el.height = el.clientHeight; + } + //el.getContext().setCoordsize_() + } + return el; + } + }; + + function onPropertyChange(e) { + var el = e.srcElement; + + switch (e.propertyName) { + case 'width': + el.getContext().clearRect(); + el.style.width = el.attributes.width.nodeValue + 'px'; + // In IE8 this does not trigger onresize. + el.firstChild.style.width = el.clientWidth + 'px'; + break; + case 'height': + el.getContext().clearRect(); + el.style.height = el.attributes.height.nodeValue + 'px'; + el.firstChild.style.height = el.clientHeight + 'px'; + break; + } + } + + function onResize(e) { + var el = e.srcElement; + if (el.firstChild) { + el.firstChild.style.width = el.clientWidth + 'px'; + el.firstChild.style.height = el.clientHeight + 'px'; + } + } + + G_vmlCanvasManager_.init(); + + // precompute "00" to "FF" + var decToHex = []; + for (var i = 0; i < 16; i++) { + for (var j = 0; j < 16; j++) { + decToHex[i * 16 + j] = i.toString(16) + j.toString(16); + } + } + + function createMatrixIdentity() { + return [ + [1, 0, 0], + [0, 1, 0], + [0, 0, 1] + ]; + } + + function matrixMultiply(m1, m2) { + var result = createMatrixIdentity(); + + for (var x = 0; x < 3; x++) { + for (var y = 0; y < 3; y++) { + var sum = 0; + + for (var z = 0; z < 3; z++) { + sum += m1[x][z] * m2[z][y]; + } + + result[x][y] = sum; + } + } + return result; + } + + function copyState(o1, o2) { + o2.fillStyle = o1.fillStyle; + o2.lineCap = o1.lineCap; + o2.lineJoin = o1.lineJoin; + o2.lineWidth = o1.lineWidth; + o2.miterLimit = o1.miterLimit; + o2.shadowBlur = o1.shadowBlur; + o2.shadowColor = o1.shadowColor; + o2.shadowOffsetX = o1.shadowOffsetX; + o2.shadowOffsetY = o1.shadowOffsetY; + o2.strokeStyle = o1.strokeStyle; + o2.globalAlpha = o1.globalAlpha; + o2.font = o1.font; + o2.textAlign = o1.textAlign; + o2.textBaseline = o1.textBaseline; + o2.arcScaleX_ = o1.arcScaleX_; + o2.arcScaleY_ = o1.arcScaleY_; + o2.lineScale_ = o1.lineScale_; + } + + var colorData = { + aliceblue: '#F0F8FF', + antiquewhite: '#FAEBD7', + aquamarine: '#7FFFD4', + azure: '#F0FFFF', + beige: '#F5F5DC', + bisque: '#FFE4C4', + black: '#000000', + blanchedalmond: '#FFEBCD', + blueviolet: '#8A2BE2', + brown: '#A52A2A', + burlywood: '#DEB887', + cadetblue: '#5F9EA0', + chartreuse: '#7FFF00', + chocolate: '#D2691E', + coral: '#FF7F50', + cornflowerblue: '#6495ED', + cornsilk: '#FFF8DC', + crimson: '#DC143C', + cyan: '#00FFFF', + darkblue: '#00008B', + darkcyan: '#008B8B', + darkgoldenrod: '#B8860B', + darkgray: '#A9A9A9', + darkgreen: '#006400', + darkgrey: '#A9A9A9', + darkkhaki: '#BDB76B', + darkmagenta: '#8B008B', + darkolivegreen: '#556B2F', + darkorange: '#FF8C00', + darkorchid: '#9932CC', + darkred: '#8B0000', + darksalmon: '#E9967A', + darkseagreen: '#8FBC8F', + darkslateblue: '#483D8B', + darkslategray: '#2F4F4F', + darkslategrey: '#2F4F4F', + darkturquoise: '#00CED1', + darkviolet: '#9400D3', + deeppink: '#FF1493', + deepskyblue: '#00BFFF', + dimgray: '#696969', + dimgrey: '#696969', + dodgerblue: '#1E90FF', + firebrick: '#B22222', + floralwhite: '#FFFAF0', + forestgreen: '#228B22', + gainsboro: '#DCDCDC', + ghostwhite: '#F8F8FF', + gold: '#FFD700', + goldenrod: '#DAA520', + grey: '#808080', + greenyellow: '#ADFF2F', + honeydew: '#F0FFF0', + hotpink: '#FF69B4', + indianred: '#CD5C5C', + indigo: '#4B0082', + ivory: '#FFFFF0', + khaki: '#F0E68C', + lavender: '#E6E6FA', + lavenderblush: '#FFF0F5', + lawngreen: '#7CFC00', + lemonchiffon: '#FFFACD', + lightblue: '#ADD8E6', + lightcoral: '#F08080', + lightcyan: '#E0FFFF', + lightgoldenrodyellow: '#FAFAD2', + lightgreen: '#90EE90', + lightgrey: '#D3D3D3', + lightpink: '#FFB6C1', + lightsalmon: '#FFA07A', + lightseagreen: '#20B2AA', + lightskyblue: '#87CEFA', + lightslategray: '#778899', + lightslategrey: '#778899', + lightsteelblue: '#B0C4DE', + lightyellow: '#FFFFE0', + limegreen: '#32CD32', + linen: '#FAF0E6', + magenta: '#FF00FF', + mediumaquamarine: '#66CDAA', + mediumblue: '#0000CD', + mediumorchid: '#BA55D3', + mediumpurple: '#9370DB', + mediumseagreen: '#3CB371', + mediumslateblue: '#7B68EE', + mediumspringgreen: '#00FA9A', + mediumturquoise: '#48D1CC', + mediumvioletred: '#C71585', + midnightblue: '#191970', + mintcream: '#F5FFFA', + mistyrose: '#FFE4E1', + moccasin: '#FFE4B5', + navajowhite: '#FFDEAD', + oldlace: '#FDF5E6', + olivedrab: '#6B8E23', + orange: '#FFA500', + orangered: '#FF4500', + orchid: '#DA70D6', + palegoldenrod: '#EEE8AA', + palegreen: '#98FB98', + paleturquoise: '#AFEEEE', + palevioletred: '#DB7093', + papayawhip: '#FFEFD5', + peachpuff: '#FFDAB9', + peru: '#CD853F', + pink: '#FFC0CB', + plum: '#DDA0DD', + powderblue: '#B0E0E6', + rosybrown: '#BC8F8F', + royalblue: '#4169E1', + saddlebrown: '#8B4513', + salmon: '#FA8072', + sandybrown: '#F4A460', + seagreen: '#2E8B57', + seashell: '#FFF5EE', + sienna: '#A0522D', + skyblue: '#87CEEB', + slateblue: '#6A5ACD', + slategray: '#708090', + slategrey: '#708090', + snow: '#FFFAFA', + springgreen: '#00FF7F', + steelblue: '#4682B4', + tan: '#D2B48C', + thistle: '#D8BFD8', + tomato: '#FF6347', + turquoise: '#40E0D0', + violet: '#EE82EE', + wheat: '#F5DEB3', + whitesmoke: '#F5F5F5', + yellowgreen: '#9ACD32' + }; + + + function getRgbHslContent(styleString) { + var start = styleString.indexOf('(', 3); + var end = styleString.indexOf(')', start + 1); + var parts = styleString.substring(start + 1, end).split(','); + // add alpha if needed + if (parts.length != 4 || styleString.charAt(3) != 'a') { + parts[3] = 1; + } + return parts; + } + + function percent(s) { + return parseFloat(s) / 100; + } + + function clamp(v, min, max) { + return Math.min(max, Math.max(min, v)); + } + + function hslToRgb(parts){ + var r, g, b, h, s, l; + h = parseFloat(parts[0]) / 360 % 360; + if (h < 0) + h++; + s = clamp(percent(parts[1]), 0, 1); + l = clamp(percent(parts[2]), 0, 1); + if (s == 0) { + r = g = b = l; // achromatic + } else { + var q = l < 0.5 ? l * (1 + s) : l + s - l * s; + var p = 2 * l - q; + r = hueToRgb(p, q, h + 1 / 3); + g = hueToRgb(p, q, h); + b = hueToRgb(p, q, h - 1 / 3); + } + + return '#' + decToHex[Math.floor(r * 255)] + + decToHex[Math.floor(g * 255)] + + decToHex[Math.floor(b * 255)]; + } + + function hueToRgb(m1, m2, h) { + if (h < 0) + h++; + if (h > 1) + h--; + + if (6 * h < 1) + return m1 + (m2 - m1) * 6 * h; + else if (2 * h < 1) + return m2; + else if (3 * h < 2) + return m1 + (m2 - m1) * (2 / 3 - h) * 6; + else + return m1; + } + + var processStyleCache = {}; + + function processStyle(styleString) { + if (styleString in processStyleCache) { + return processStyleCache[styleString]; + } + + var str, alpha = 1; + + styleString = String(styleString); + if (styleString.charAt(0) == '#') { + str = styleString; + } else if (/^rgb/.test(styleString)) { + var parts = getRgbHslContent(styleString); + var str = '#', n; + for (var i = 0; i < 3; i++) { + if (parts[i].indexOf('%') != -1) { + n = Math.floor(percent(parts[i]) * 255); + } else { + n = +parts[i]; + } + str += decToHex[clamp(n, 0, 255)]; + } + alpha = +parts[3]; + } else if (/^hsl/.test(styleString)) { + var parts = getRgbHslContent(styleString); + str = hslToRgb(parts); + alpha = parts[3]; + } else { + str = colorData[styleString] || styleString; + } + return processStyleCache[styleString] = {color: str, alpha: alpha}; + } + + var DEFAULT_STYLE = { + style: 'normal', + variant: 'normal', + weight: 'normal', + size: 10, + family: 'sans-serif' + }; + + // Internal text style cache + var fontStyleCache = {}; + + function processFontStyle(styleString) { + if (fontStyleCache[styleString]) { + return fontStyleCache[styleString]; + } + + var el = document.createElement('div'); + var style = el.style; + try { + style.font = styleString; + } catch (ex) { + // Ignore failures to set to invalid font. + } + + return fontStyleCache[styleString] = { + style: style.fontStyle || DEFAULT_STYLE.style, + variant: style.fontVariant || DEFAULT_STYLE.variant, + weight: style.fontWeight || DEFAULT_STYLE.weight, + size: style.fontSize || DEFAULT_STYLE.size, + family: style.fontFamily || DEFAULT_STYLE.family + }; + } + + function getComputedStyle(style, element) { + var computedStyle = {}; + + for (var p in style) { + computedStyle[p] = style[p]; + } + + // Compute the size + var canvasFontSize = parseFloat(element.currentStyle.fontSize), + fontSize = parseFloat(style.size); + + if (typeof style.size == 'number') { + computedStyle.size = style.size; + } else if (style.size.indexOf('px') != -1) { + computedStyle.size = fontSize; + } else if (style.size.indexOf('em') != -1) { + computedStyle.size = canvasFontSize * fontSize; + } else if(style.size.indexOf('%') != -1) { + computedStyle.size = (canvasFontSize / 100) * fontSize; + } else if (style.size.indexOf('pt') != -1) { + computedStyle.size = fontSize / .75; + } else { + computedStyle.size = canvasFontSize; + } + + // Different scaling between normal text and VML text. This was found using + // trial and error to get the same size as non VML text. + computedStyle.size *= 0.981; + + return computedStyle; + } + + function buildStyle(style) { + return style.style + ' ' + style.variant + ' ' + style.weight + ' ' + + style.size + 'px ' + style.family; + } + + var lineCapMap = { + 'butt': 'flat', + 'round': 'round' + }; + + function processLineCap(lineCap) { + return lineCapMap[lineCap] || 'square'; + } + + /** + * This class implements CanvasRenderingContext2D interface as described by + * the WHATWG. + * @param {HTMLElement} canvasElement The element that the 2D context should + * be associated with + */ + function CanvasRenderingContext2D_(canvasElement) { + this.m_ = createMatrixIdentity(); + + this.mStack_ = []; + this.aStack_ = []; + this.currentPath_ = []; + + // Canvas context properties + this.strokeStyle = '#000'; + this.fillStyle = '#000'; + + this.lineWidth = 1; + this.lineJoin = 'miter'; + this.lineCap = 'butt'; + this.miterLimit = Z * 1; + this.globalAlpha = 1; + this.font = '10px sans-serif'; + this.textAlign = 'left'; + this.textBaseline = 'alphabetic'; + this.canvas = canvasElement; + + var cssText = 'width:' + canvasElement.clientWidth + 'px;height:' + + canvasElement.clientHeight + 'px;overflow:hidden;position:absolute'; + var el = canvasElement.ownerDocument.createElement('div'); + el.style.cssText = cssText; + canvasElement.appendChild(el); + + var overlayEl = el.cloneNode(false); + // Use a non transparent background. + overlayEl.style.backgroundColor = 'red'; + overlayEl.style.filter = 'alpha(opacity=0)'; + canvasElement.appendChild(overlayEl); + + this.element_ = el; + this.arcScaleX_ = 1; + this.arcScaleY_ = 1; + this.lineScale_ = 1; + } + + var contextPrototype = CanvasRenderingContext2D_.prototype; + contextPrototype.clearRect = function() { + if (this.textMeasureEl_) { + this.textMeasureEl_.removeNode(true); + this.textMeasureEl_ = null; + } + this.element_.innerHTML = ''; + }; + + contextPrototype.beginPath = function() { + // TODO: Branch current matrix so that save/restore has no effect + // as per safari docs. + this.currentPath_ = []; + }; + + contextPrototype.moveTo = function(aX, aY) { + var p = getCoords(this, aX, aY); + this.currentPath_.push({type: 'moveTo', x: p.x, y: p.y}); + this.currentX_ = p.x; + this.currentY_ = p.y; + }; + + contextPrototype.lineTo = function(aX, aY) { + var p = getCoords(this, aX, aY); + this.currentPath_.push({type: 'lineTo', x: p.x, y: p.y}); + + this.currentX_ = p.x; + this.currentY_ = p.y; + }; + + contextPrototype.bezierCurveTo = function(aCP1x, aCP1y, + aCP2x, aCP2y, + aX, aY) { + var p = getCoords(this, aX, aY); + var cp1 = getCoords(this, aCP1x, aCP1y); + var cp2 = getCoords(this, aCP2x, aCP2y); + bezierCurveTo(this, cp1, cp2, p); + }; + + // Helper function that takes the already fixed cordinates. + function bezierCurveTo(self, cp1, cp2, p) { + self.currentPath_.push({ + type: 'bezierCurveTo', + cp1x: cp1.x, + cp1y: cp1.y, + cp2x: cp2.x, + cp2y: cp2.y, + x: p.x, + y: p.y + }); + self.currentX_ = p.x; + self.currentY_ = p.y; + } + + contextPrototype.quadraticCurveTo = function(aCPx, aCPy, aX, aY) { + // the following is lifted almost directly from + // http://developer.mozilla.org/en/docs/Canvas_tutorial:Drawing_shapes + + var cp = getCoords(this, aCPx, aCPy); + var p = getCoords(this, aX, aY); + + var cp1 = { + x: this.currentX_ + 2.0 / 3.0 * (cp.x - this.currentX_), + y: this.currentY_ + 2.0 / 3.0 * (cp.y - this.currentY_) + }; + var cp2 = { + x: cp1.x + (p.x - this.currentX_) / 3.0, + y: cp1.y + (p.y - this.currentY_) / 3.0 + }; + + bezierCurveTo(this, cp1, cp2, p); + }; + + contextPrototype.arc = function(aX, aY, aRadius, + aStartAngle, aEndAngle, aClockwise) { + aRadius *= Z; + var arcType = aClockwise ? 'at' : 'wa'; + + var xStart = aX + mc(aStartAngle) * aRadius - Z2; + var yStart = aY + ms(aStartAngle) * aRadius - Z2; + + var xEnd = aX + mc(aEndAngle) * aRadius - Z2; + var yEnd = aY + ms(aEndAngle) * aRadius - Z2; + + // IE won't render arches drawn counter clockwise if xStart == xEnd. + if (xStart == xEnd && !aClockwise) { + xStart += 0.125; // Offset xStart by 1/80 of a pixel. Use something + // that can be represented in binary + } + + var p = getCoords(this, aX, aY); + var pStart = getCoords(this, xStart, yStart); + var pEnd = getCoords(this, xEnd, yEnd); + + this.currentPath_.push({type: arcType, + x: p.x, + y: p.y, + radius: aRadius, + xStart: pStart.x, + yStart: pStart.y, + xEnd: pEnd.x, + yEnd: pEnd.y}); + + }; + + contextPrototype.rect = function(aX, aY, aWidth, aHeight) { + this.moveTo(aX, aY); + this.lineTo(aX + aWidth, aY); + this.lineTo(aX + aWidth, aY + aHeight); + this.lineTo(aX, aY + aHeight); + this.closePath(); + }; + + contextPrototype.strokeRect = function(aX, aY, aWidth, aHeight) { + var oldPath = this.currentPath_; + this.beginPath(); + + this.moveTo(aX, aY); + this.lineTo(aX + aWidth, aY); + this.lineTo(aX + aWidth, aY + aHeight); + this.lineTo(aX, aY + aHeight); + this.closePath(); + this.stroke(); + + this.currentPath_ = oldPath; + }; + + contextPrototype.fillRect = function(aX, aY, aWidth, aHeight) { + var oldPath = this.currentPath_; + this.beginPath(); + + this.moveTo(aX, aY); + this.lineTo(aX + aWidth, aY); + this.lineTo(aX + aWidth, aY + aHeight); + this.lineTo(aX, aY + aHeight); + this.closePath(); + this.fill(); + + this.currentPath_ = oldPath; + }; + + contextPrototype.createLinearGradient = function(aX0, aY0, aX1, aY1) { + var gradient = new CanvasGradient_('gradient'); + gradient.x0_ = aX0; + gradient.y0_ = aY0; + gradient.x1_ = aX1; + gradient.y1_ = aY1; + return gradient; + }; + + contextPrototype.createRadialGradient = function(aX0, aY0, aR0, + aX1, aY1, aR1) { + var gradient = new CanvasGradient_('gradientradial'); + gradient.x0_ = aX0; + gradient.y0_ = aY0; + gradient.r0_ = aR0; + gradient.x1_ = aX1; + gradient.y1_ = aY1; + gradient.r1_ = aR1; + return gradient; + }; + + contextPrototype.drawImage = function(image, var_args) { + var dx, dy, dw, dh, sx, sy, sw, sh; + + // to find the original width we overide the width and height + var oldRuntimeWidth = image.runtimeStyle.width; + var oldRuntimeHeight = image.runtimeStyle.height; + image.runtimeStyle.width = 'auto'; + image.runtimeStyle.height = 'auto'; + + // get the original size + var w = image.width; + var h = image.height; + + // and remove overides + image.runtimeStyle.width = oldRuntimeWidth; + image.runtimeStyle.height = oldRuntimeHeight; + + if (arguments.length == 3) { + dx = arguments[1]; + dy = arguments[2]; + sx = sy = 0; + sw = dw = w; + sh = dh = h; + } else if (arguments.length == 5) { + dx = arguments[1]; + dy = arguments[2]; + dw = arguments[3]; + dh = arguments[4]; + sx = sy = 0; + sw = w; + sh = h; + } else if (arguments.length == 9) { + sx = arguments[1]; + sy = arguments[2]; + sw = arguments[3]; + sh = arguments[4]; + dx = arguments[5]; + dy = arguments[6]; + dw = arguments[7]; + dh = arguments[8]; + } else { + throw Error('Invalid number of arguments'); + } + + var d = getCoords(this, dx, dy); + + var w2 = sw / 2; + var h2 = sh / 2; + + var vmlStr = []; + + var W = 10; + var H = 10; + + // For some reason that I've now forgotten, using divs didn't work + vmlStr.push(' ' , + '', + ''); + + this.element_.insertAdjacentHTML('BeforeEnd', vmlStr.join('')); + }; + + contextPrototype.stroke = function(aFill) { + var lineStr = []; + var lineOpen = false; + + var W = 10; + var H = 10; + + lineStr.push(''); + + if (!aFill) { + appendStroke(this, lineStr); + } else { + appendFill(this, lineStr, min, max); + } + + lineStr.push(''); + + this.element_.insertAdjacentHTML('beforeEnd', lineStr.join('')); + }; + + function appendStroke(ctx, lineStr) { + var a = processStyle(ctx.strokeStyle); + var color = a.color; + var opacity = a.alpha * ctx.globalAlpha; + var lineWidth = ctx.lineScale_ * ctx.lineWidth; + + // VML cannot correctly render a line if the width is less than 1px. + // In that case, we dilute the color to make the line look thinner. + if (lineWidth < 1) { + opacity *= lineWidth; + } + + lineStr.push( + '' + ); + } + + function appendFill(ctx, lineStr, min, max) { + var fillStyle = ctx.fillStyle; + var arcScaleX = ctx.arcScaleX_; + var arcScaleY = ctx.arcScaleY_; + var width = max.x - min.x; + var height = max.y - min.y; + if (fillStyle instanceof CanvasGradient_) { + // TODO: Gradients transformed with the transformation matrix. + var angle = 0; + var focus = {x: 0, y: 0}; + + // additional offset + var shift = 0; + // scale factor for offset + var expansion = 1; + + if (fillStyle.type_ == 'gradient') { + var x0 = fillStyle.x0_ / arcScaleX; + var y0 = fillStyle.y0_ / arcScaleY; + var x1 = fillStyle.x1_ / arcScaleX; + var y1 = fillStyle.y1_ / arcScaleY; + var p0 = getCoords(ctx, x0, y0); + var p1 = getCoords(ctx, x1, y1); + var dx = p1.x - p0.x; + var dy = p1.y - p0.y; + angle = Math.atan2(dx, dy) * 180 / Math.PI; + + // The angle should be a non-negative number. + if (angle < 0) { + angle += 360; + } + + // Very small angles produce an unexpected result because they are + // converted to a scientific notation string. + if (angle < 1e-6) { + angle = 0; + } + } else { + var p0 = getCoords(ctx, fillStyle.x0_, fillStyle.y0_); + focus = { + x: (p0.x - min.x) / width, + y: (p0.y - min.y) / height + }; + + width /= arcScaleX * Z; + height /= arcScaleY * Z; + var dimension = m.max(width, height); + shift = 2 * fillStyle.r0_ / dimension; + expansion = 2 * fillStyle.r1_ / dimension - shift; + } + + // We need to sort the color stops in ascending order by offset, + // otherwise IE won't interpret it correctly. + var stops = fillStyle.colors_; + stops.sort(function(cs1, cs2) { + return cs1.offset - cs2.offset; + }); + + var length = stops.length; + var color1 = stops[0].color; + var color2 = stops[length - 1].color; + var opacity1 = stops[0].alpha * ctx.globalAlpha; + var opacity2 = stops[length - 1].alpha * ctx.globalAlpha; + + var colors = []; + for (var i = 0; i < length; i++) { + var stop = stops[i]; + colors.push(stop.offset * expansion + shift + ' ' + stop.color); + } + + // When colors attribute is used, the meanings of opacity and o:opacity2 + // are reversed. + lineStr.push(''); + } else if (fillStyle instanceof CanvasPattern_) { + if (width && height) { + var deltaLeft = -min.x; + var deltaTop = -min.y; + lineStr.push(''); + } + } else { + var a = processStyle(ctx.fillStyle); + var color = a.color; + var opacity = a.alpha * ctx.globalAlpha; + lineStr.push(''); + } + } + + contextPrototype.fill = function() { + this.stroke(true); + }; + + contextPrototype.closePath = function() { + this.currentPath_.push({type: 'close'}); + }; + + function getCoords(ctx, aX, aY) { + var m = ctx.m_; + return { + x: Z * (aX * m[0][0] + aY * m[1][0] + m[2][0]) - Z2, + y: Z * (aX * m[0][1] + aY * m[1][1] + m[2][1]) - Z2 + }; + }; + + contextPrototype.save = function() { + var o = {}; + copyState(this, o); + this.aStack_.push(o); + this.mStack_.push(this.m_); + this.m_ = matrixMultiply(createMatrixIdentity(), this.m_); + }; + + contextPrototype.restore = function() { + if (this.aStack_.length) { + copyState(this.aStack_.pop(), this); + this.m_ = this.mStack_.pop(); + } + }; + + function matrixIsFinite(m) { + return isFinite(m[0][0]) && isFinite(m[0][1]) && + isFinite(m[1][0]) && isFinite(m[1][1]) && + isFinite(m[2][0]) && isFinite(m[2][1]); + } + + function setM(ctx, m, updateLineScale) { + if (!matrixIsFinite(m)) { + return; + } + ctx.m_ = m; + + if (updateLineScale) { + // Get the line scale. + // Determinant of this.m_ means how much the area is enlarged by the + // transformation. So its square root can be used as a scale factor + // for width. + var det = m[0][0] * m[1][1] - m[0][1] * m[1][0]; + ctx.lineScale_ = sqrt(abs(det)); + } + } + + contextPrototype.translate = function(aX, aY) { + var m1 = [ + [1, 0, 0], + [0, 1, 0], + [aX, aY, 1] + ]; + + setM(this, matrixMultiply(m1, this.m_), false); + }; + + contextPrototype.rotate = function(aRot) { + var c = mc(aRot); + var s = ms(aRot); + + var m1 = [ + [c, s, 0], + [-s, c, 0], + [0, 0, 1] + ]; + + setM(this, matrixMultiply(m1, this.m_), false); + }; + + contextPrototype.scale = function(aX, aY) { + this.arcScaleX_ *= aX; + this.arcScaleY_ *= aY; + var m1 = [ + [aX, 0, 0], + [0, aY, 0], + [0, 0, 1] + ]; + + setM(this, matrixMultiply(m1, this.m_), true); + }; + + contextPrototype.transform = function(m11, m12, m21, m22, dx, dy) { + var m1 = [ + [m11, m12, 0], + [m21, m22, 0], + [dx, dy, 1] + ]; + + setM(this, matrixMultiply(m1, this.m_), true); + }; + + contextPrototype.setTransform = function(m11, m12, m21, m22, dx, dy) { + var m = [ + [m11, m12, 0], + [m21, m22, 0], + [dx, dy, 1] + ]; + + setM(this, m, true); + }; + + /** + * The text drawing function. + * The maxWidth argument isn't taken in account, since no browser supports + * it yet. + */ + contextPrototype.drawText_ = function(text, x, y, maxWidth, stroke) { + var m = this.m_, + delta = 1000, + left = 0, + right = delta, + offset = {x: 0, y: 0}, + lineStr = []; + + var fontStyle = getComputedStyle(processFontStyle(this.font), + this.element_); + + var fontStyleString = buildStyle(fontStyle); + + var elementStyle = this.element_.currentStyle; + var textAlign = this.textAlign.toLowerCase(); + switch (textAlign) { + case 'left': + case 'center': + case 'right': + break; + case 'end': + textAlign = elementStyle.direction == 'ltr' ? 'right' : 'left'; + break; + case 'start': + textAlign = elementStyle.direction == 'rtl' ? 'right' : 'left'; + break; + default: + textAlign = 'left'; + } + + // 1.75 is an arbitrary number, as there is no info about the text baseline + switch (this.textBaseline) { + case 'hanging': + case 'top': + offset.y = fontStyle.size / 1.75; + break; + case 'middle': + break; + default: + case null: + case 'alphabetic': + case 'ideographic': + case 'bottom': + offset.y = -fontStyle.size / 2.25; + break; + } + + switch(textAlign) { + case 'right': + left = delta; + right = 0.05; + break; + case 'center': + left = right = delta / 2; + break; + } + + var d = getCoords(this, x + offset.x, y + offset.y); + + lineStr.push(''); + + if (stroke) { + appendStroke(this, lineStr); + } else { + // TODO: Fix the min and max params. + appendFill(this, lineStr, {x: -left, y: 0}, + {x: right, y: fontStyle.size}); + } + + var skewM = m[0][0].toFixed(3) + ',' + m[1][0].toFixed(3) + ',' + + m[0][1].toFixed(3) + ',' + m[1][1].toFixed(3) + ',0,0'; + + var skewOffset = mr(d.x / Z) + ',' + mr(d.y / Z); + + lineStr.push('', + '', + ''); + + this.element_.insertAdjacentHTML('beforeEnd', lineStr.join('')); + }; + + contextPrototype.fillText = function(text, x, y, maxWidth) { + this.drawText_(text, x, y, maxWidth, false); + }; + + contextPrototype.strokeText = function(text, x, y, maxWidth) { + this.drawText_(text, x, y, maxWidth, true); + }; + + contextPrototype.measureText = function(text) { + if (!this.textMeasureEl_) { + var s = ''; + this.element_.insertAdjacentHTML('beforeEnd', s); + this.textMeasureEl_ = this.element_.lastChild; + } + var doc = this.element_.ownerDocument; + this.textMeasureEl_.innerHTML = ''; + this.textMeasureEl_.style.font = this.font; + // Don't use innerHTML or innerText because they allow markup/whitespace. + this.textMeasureEl_.appendChild(doc.createTextNode(text)); + return {width: this.textMeasureEl_.offsetWidth}; + }; + + /******** STUBS ********/ + contextPrototype.clip = function() { + // TODO: Implement + }; + + contextPrototype.arcTo = function() { + // TODO: Implement + }; + + contextPrototype.createPattern = function(image, repetition) { + return new CanvasPattern_(image, repetition); + }; + + // Gradient / Pattern Stubs + function CanvasGradient_(aType) { + this.type_ = aType; + this.x0_ = 0; + this.y0_ = 0; + this.r0_ = 0; + this.x1_ = 0; + this.y1_ = 0; + this.r1_ = 0; + this.colors_ = []; + } + + CanvasGradient_.prototype.addColorStop = function(aOffset, aColor) { + aColor = processStyle(aColor); + this.colors_.push({offset: aOffset, + color: aColor.color, + alpha: aColor.alpha}); + }; + + function CanvasPattern_(image, repetition) { + assertImageIsValid(image); + switch (repetition) { + case 'repeat': + case null: + case '': + this.repetition_ = 'repeat'; + break + case 'repeat-x': + case 'repeat-y': + case 'no-repeat': + this.repetition_ = repetition; + break; + default: + throwException('SYNTAX_ERR'); + } + + this.src_ = image.src; + this.width_ = image.width; + this.height_ = image.height; + } + + function throwException(s) { + throw new DOMException_(s); + } + + function assertImageIsValid(img) { + if (!img || img.nodeType != 1 || img.tagName != 'IMG') { + throwException('TYPE_MISMATCH_ERR'); + } + if (img.readyState != 'complete') { + throwException('INVALID_STATE_ERR'); + } + } + + function DOMException_(s) { + this.code = this[s]; + this.message = s +': DOM Exception ' + this.code; + } + var p = DOMException_.prototype = new Error; + p.INDEX_SIZE_ERR = 1; + p.DOMSTRING_SIZE_ERR = 2; + p.HIERARCHY_REQUEST_ERR = 3; + p.WRONG_DOCUMENT_ERR = 4; + p.INVALID_CHARACTER_ERR = 5; + p.NO_DATA_ALLOWED_ERR = 6; + p.NO_MODIFICATION_ALLOWED_ERR = 7; + p.NOT_FOUND_ERR = 8; + p.NOT_SUPPORTED_ERR = 9; + p.INUSE_ATTRIBUTE_ERR = 10; + p.INVALID_STATE_ERR = 11; + p.SYNTAX_ERR = 12; + p.INVALID_MODIFICATION_ERR = 13; + p.NAMESPACE_ERR = 14; + p.INVALID_ACCESS_ERR = 15; + p.VALIDATION_ERR = 16; + p.TYPE_MISMATCH_ERR = 17; + + // set up externs + G_vmlCanvasManager = G_vmlCanvasManager_; + CanvasRenderingContext2D = CanvasRenderingContext2D_; + CanvasGradient = CanvasGradient_; + CanvasPattern = CanvasPattern_; + DOMException = DOMException_; +})(); + +} // if diff --git a/js/index.js b/js/index.js index 745aa6d..7e615c0 100644 --- a/js/index.js +++ b/js/index.js @@ -1,53 +1,39 @@ -const actionLabel = [ - {name: "moveLeft", label: "GAUCHE"}, - {name: "moveRight", label: "DROITE"}, - {name: "softDrop", label: "CHUTE LENTE"}, - {name: "hardDrop", label: "CHUTE RAPIDE"}, - {name: "rotateCW", label: "ROTATION HORAIRE"}, - {name: "rotateCCW:", label: "ROTATE INVERSE"}, - {name: "hold", label: "GARDE"}, - {name: "pause", label: "PAUSE"} -] -const actionsDefaultKeys = { - moveLeft: "ArrowLeft", - moveRight: "ArrowRight", - softDrop: "ArrowDown", - hardDrop: " ", - rotateCW: "ArrowUp", - rotateCCW: "z", - hold: "c", - pause: "Escape", -} -var selectedButton = null -var selectedAction = "" - -function getKey(action) { - key = localStorage.getItem(action) || actionsDefaultKeys[action] - if (key == ' ') - return "Space" - else - return key -} - -function changeKey(button, action) { - button.innerHTML = "Touche ?" - selectedButton = button - selectedAction = action - button.blur() -} - -function keyUpHandler(e) { - if (selectedButton) { - localStorage.setItem(selectedAction, e.key) - selectedButton.innerHTML = (e.key == " ") ? "Space" : e.key - selectedButton = null - } -} - -window.onload = function() { - document.getElementById("actions").innerHTML = actionLabel.map(action => `
${action.label}
- -`).join("\n") - - addEventListener("keyup", keyUpHandler, false) +const actionsDefaultKeys = { + moveLeft: "ArrowLeft", + moveRight: "ArrowRight", + softDrop: "ArrowDown", + hardDrop: " ", + rotateCW: "ArrowUp", + rotateCCW: "z", + hold: "c", + pause: "Escape", +} +var selectedButton = null +var selectedAction = "" + +function getKey(action) { + key = localStorage.getItem(action) || actionsDefaultKeys[action] + if (key == ' ') key = "Space" + document.open() + document.write(key) + document.close() +} + +function changeKey(button, action) { + button.innerHTML = "Touche ?" + selectedButton = button + selectedAction = action + button.blur() +} + +function keyUpHandler(e) { + if (selectedButton) { + localStorage.setItem(selectedAction, e.key) + selectedButton.innerHTML = (e.key == " ") ? "Space" : e.key + selectedButton = null + } +} + +window.onload = function() { + addEventListener("keyup", keyUpHandler, false) } \ No newline at end of file diff --git a/js/webtris.js b/js/webtris.js index 2dd5ba8..42f36fc 100644 --- a/js/webtris.js +++ b/js/webtris.js @@ -1,783 +1,783 @@ -Array.prototype.add = function(other) { - return this.map((x, i) => x + other[i]) -} - -Array.prototype.mul = function(k) { - return this.map(x => k * x) -} - -Array.prototype.translate = function(vector) { - return this.map(pos => pos.add(vector)) -} - -Array.prototype.rotate = function(spin) { - return [-spin*this[1], spin*this[0]] -} - -Array.prototype.pick = function() { - return this.splice(Math.floor(Math.random()*this.length), 1)[0] -} - - -const MINO_SIZE = 20 -const NEXT_PIECES = 5 -const HOLD_ROWS = 6 -const HOLD_COLUMNS = 6 -const MATRIX_ROWS = 20 -const MATRIX_COLUMNS = 10 -const NEXT_ROWS = 20 -const NEXT_COLUMNS = 6 -const HELD_PIECE_POSITION = [2, 2] -const FALLING_PIECE_POSITION = [4, 0] -const NEXT_PIECES_POSITIONS = Array.from({length: NEXT_PIECES}, (v, k) => [2, k*4+2]) -const LOCK_DELAY = 500 -const FALL_DELAY = 1000 -const AUTOREPEAT_DELAY = 250 -const AUTOREPEAT_PERIOD = 10 -const ANIMATION_DELAY = 100 -const TEMP_TEXTS_DELAY = 700 -const MOVEMENT = { - LEFT: [-1, 0], - RIGHT: [ 1, 0], - DOWN: [ 0, 1] -} -const SPIN = { - CW: 1, - CCW: -1 -} -const T_SPIN = { - NONE: "", - MINI: "MINI\nT-SPIN", - T_SPIN: "T-SPIN" -} -const T_SLOT = { - A: 0, - B: 1, - C: 3, - D: 2 -} -const T_SLOT_POS = [[-1, -1], [1, -1], [1, 1], [-1, 1]] -const SCORES = [ - {linesClearedName: "", "": 0, "MINI\nT-SPIN": 1, "T-SPIN": 4}, - {linesClearedName: "SINGLE", "": 1, "MINI\nT-SPIN": 2, "T-SPIN": 8}, - {linesClearedName: "DOUBLE", "": 3, "T-SPIN": 12}, - {linesClearedName: "TRIPLE", "": 5, "T-SPIN": 16}, - {linesClearedName: "TETRIS", "": 8}, -] -const REPEATABLE_ACTIONS = [moveLeft, moveRight, softDrop] -const STATE = { - PLAYING: "PLAYING", - PAUSED: "PAUSE", - GAME_OVER: "GAME OVER" -} -const actionsDefaultKeys = { - moveLeft: "ArrowLeft", - moveRight: "ArrowRight", - softDrop: "ArrowDown", - hardDrop: " ", - rotateCW: "ArrowUp", - rotateCCW: "z", - hold: "c", - pause: "Escape", -} -var actions = {} - - -class Scheduler { - constructor() { - this.intervalTasks = new Map() - this.timeoutTasks = new Map() - } - - setInterval(func, delay, ...args) { - this.intervalTasks.set(func, window.setInterval(func, delay, ...args)) - } - - setTimeout(func, delay, ...args) { - this.timeoutTasks.set(func, window.setTimeout(func, delay, ...args)) - } - - clearInterval(func) { - if (this.intervalTasks.has(func)) { - window.clearInterval(this.intervalTasks.get(func)) - this.intervalTasks.delete(func) - } - } - - clearTimeout(func) { - if (this.timeoutTasks.has(func)) { - window.clearTimeout(this.timeoutTasks.get(func)) - this.timeoutTasks.delete(func) - } - } -} - - -shapes = [] -class Tetromino { - constructor(position=null, shape=null) { - this.pos = position - this.orientation = 0 - this.rotatedLast = false - this.rotationPoint5Used = false - this.holdEnabled = true - this.locked = false - this.srs = {} - this.srs[SPIN.CW] = [ - [[0, 0], [-1, 0], [-1, -1], [0, 2], [-1, 2]], - [[0, 0], [ 1, 0], [ 1, 1], [0, -2], [ 1, -2]], - [[0, 0], [ 1, 0], [ 1, -1], [0, 2], [ 1, 2]], - [[0, 0], [-1, 0], [-1, 1], [0, -2], [-1, -2]], - ] - this.srs[SPIN.CCW] = [ - [[0, 0], [ 1, 0], [ 1, -1], [0, 2], [ 1, 2]], - [[0, 0], [ 1, 0], [ 1, 1], [0, -2], [ 1, -2]], - [[0, 0], [-1, 0], [-1, -1], [0, 2], [-1, 2]], - [[0, 0], [-1, 0], [-1, 1], [0, 2], [-1, -2]], - ] - if (shape) - this.shape = shape - else { - if (!shapes.length) - shapes = ['I', 'J', 'L', 'O', 'S', 'T', 'Z'] - this.shape = shapes.pick() - } - switch(this.shape) { - case 'I': - this.color = "cyan" - this.lightColor = "rgb(234, 250, 250)" - this.ghostColor = "rgba(234, 250, 250, 0.5)" - this.minoesPos = [[-1, 0], [0, 0], [1, 0], [2, 0]] - this.srs[SPIN.CW] = [ - [[ 1, 0], [-1, 0], [ 2, 0], [-1, 1], [ 2, -2]], - [[ 0, 1], [-1, 1], [ 2, 1], [-1, -1], [ 2, 2]], - [[-1, 0], [ 1, 0], [-2, 0], [ 1, -1], [-2, 2]], - [[ 0, 1], [ 1, -1], [-2, -1], [ 1, 1], [-2, -2]], - ] - this.srs[SPIN.CCW] = [ - [[ 0, 1], [-1, 1], [ 2, 1], [-1, -1], [ 2, 2]], - [[-1, 0], [ 1, 0], [-2, 0], [ 1, -1], [-2, 2]], - [[ 0, -1], [ 1, -1], [-2, -1], [ 1, 1], [-2, -2]], - [[ 1, 0], [-1, 0], [ 2, 0], [-1, 1], [ 2, -2]], - ] - break - case 'J': - this.color = "blue" - this.lightColor = "rgb(230, 240, 255)" - this.ghostColor = "rgba(230, 240, 255, 0.5)" - this.minoesPos = [[-1, -1], [-1, 0], [0, 0], [1, 0]] - break - case 'L': - this.color = "orange" - this.lightColor = "rgb(255, 224, 204)" - this.ghostColor = "rgba(255, 224, 204, 0.5)" - this.minoesPos = [[-1, 0], [0, 0], [1, 0], [1, -1]] - break - case 'O': - this.color = "yellow" - this.lightColor = "rgb(255, 255, 230)" - this.ghostColor = "rgba(255, 255, 230, 0.5)" - this.minoesPos = [[0, 0], [1, 0], [0, -1], [1, -1]] - this.srs[SPIN.CW] = [[]] - this.srs[SPIN.CCW] = [[]] - break - case 'S': - this.color = "green" - this.lightColor = "rgb(236, 255, 230)" - this.ghostColor = "rgba(236, 255, 230, 0.5)" - this.minoesPos = [[-1, 0], [0, 0], [0, -1], [1, -1]] - break - case 'T': - this.color = "magenta" - this.lightColor= "rgb(242, 230, 255)" - this.ghostColor = "rgba(242, 230, 255, 0.5)" - this.minoesPos = [[-1, 0], [0, 0], [1, 0], [0, -1]] - break - case 'Z': - this.color = "red" - this.lightColor = "rgb(255, 230, 230)" - this.ghostColor = "rgba(255, 230, 230, 0.5)" - this.minoesPos = [[-1, -1], [0, -1], [0, 0], [1, 0]] - break - } - } - - get minoesAbsPos() { - return this.minoesPos.translate(this.pos) - } - - draw(context, ghost_pos=[0, 0]) { - const color = this.locked ? this.lightColor : this.color - if (ghost_pos[1]) { - context.save() - context.shadowColor = this.ghostColor - context.shadowOffsetX = 0 - context.shadowOffsetY = (ghost_pos[1]-this.pos[1]) * MINO_SIZE - context.shadowBlur = 3 - this.minoesAbsPos.forEach(pos => drawMino(context, pos, color)) - context.restore() - } - this.minoesAbsPos.forEach(pos => drawMino(context, pos, this.lightColor, color, ghost_pos)) - } -} - - -function drawMino(context, pos, color1, color2=null, spotlight=[0, 0]) { - if (color2) { - var center = pos.add([0.5, 0.5]) - spotlight = spotlight.add([0.5, 0.5]) - var glint = spotlight.mul(0.1).add(center.mul(0.9)).mul(MINO_SIZE) - const gradient = context.createRadialGradient( - ...glint, 2, ...glint.add([6, 4]), 2*MINO_SIZE - ) - gradient.addColorStop(0, color1) - gradient.addColorStop(1, color2) - context.fillStyle = gradient - } else - context.fillStyle = color1 - var topLeft = pos.mul(MINO_SIZE) - context.fillRect(...topLeft, MINO_SIZE, MINO_SIZE) - context.lineWidth = 0.5 - context.strokeStyle = "white" - context.strokeRect(...topLeft, MINO_SIZE, MINO_SIZE) -} - - -class HoldQueue { - constructor() { - this.context = document.getElementById("hold").getContext("2d") - this.piece = null - this.width = HOLD_COLUMNS*MINO_SIZE - this.height = HOLD_ROWS*MINO_SIZE - } - - draw() { - this.context.clearRect(0, 0, this.width, this.height) - if (state != STATE.PAUSED) { - if (this.piece) - this.piece.draw(this.context) - } - } -} - - -timeFormat = new Intl.DateTimeFormat("fr-FR", { - minute: "2-digit", second: "2-digit", hourCycle: "h24", timeZone: "UTC" -}).format - - -class Stats { - constructor () { - this.div = document.getElementById("stats-values") - this._score = 0 - this.highScore = localStorage.getItem('highScore') || 0 - this.goal = 0 - this.linesCleared = 0 - this.startTime = Date.now() - this.pauseTime = 0 - this.combo = -1 - this.lockDelay = LOCK_DELAY - this.fallDelay = FALL_DELAY - } - - get score() { - return this._score - } - - set score(score) { - this._score = score - if (score > this.highScore) - this.highScore = score - } - - newLevel(level=null) { - if (level) - this.level = level - else - this.level++ - printTempTexts(["LEVEL", this.level]) - this.goal += 5 * this.level - if (this.level <= 20) - this.fallDelay = 1000 * Math.pow(0.8 - ((this.level - 1) * 0.007), this.level - 1) - if (this.level > 15) - this.lockDelay = 500 * Math.pow(0.9, this.level - 15) - } - - locksDown(tSpin, linesCleared) { - var patternName = [] - var patternScore = 0 - var combo_score = 0 - - if (tSpin) - patternName.push(tSpin) - if (linesCleared) { - patternName.push(SCORES[linesCleared].linesClearedName) - this.combo++ - } else - this.combo = -1 - - if (linesCleared || tSpin) { - this.linesCleared += linesCleared - patternScore = SCORES[linesCleared][tSpin] - this.goal -= patternScore - patternScore *= 100 * this.level - patternName = patternName.join("\n") - } - if (this.combo >= 1) - combo_score = (linesCleared == 1 ? 20 : 50) * this.combo * this.level - - this.score += patternScore + combo_score - - if (patternScore) - printTempTexts([patternName, patternScore]) - if (combo_score) - printTempTexts([`COMBO x${this.combo}`, combo_score]) - } - - print() { - this.div.innerHTML = `${this.score}
- ${this.highScore}
- ${timeFormat(Date.now() - this.startTime)}
- ${this.level}
- ${this.goal}
- ${this.linesCleared}` - } -} - - -class Matrix { - constructor() { - this.context = document.getElementById("matrix").getContext("2d") - this.context.textAlign = "center" - this.context.textBaseline = "center" - this.context.font = "3vw 'Share Tech', sans-serif" - this.cells = Array.from(Array(MATRIX_ROWS+3), row => Array(MATRIX_COLUMNS)) - this.width = MATRIX_COLUMNS*MINO_SIZE - this.height = MATRIX_ROWS*MINO_SIZE - this.centerX = this.width / 2 - this.centerY = this.height / 2 - this.piece = null - this.trail = { - minoesPos: [], - height: 0, - gradient: null - } - this.linesCleared = [] - } - - cellIsOccupied(x, y) { - return 0 <= x && x < MATRIX_COLUMNS && y < MATRIX_ROWS ? this.cells[y+3][x] : true - } - - spaceToMove(minoesAbsPos) { - return !minoesAbsPos.some(pos => this.cellIsOccupied(...pos)) - } - - draw() { - this.context.clearRect(0, 0, this.width, this.height) - - // grid - this.context.strokeStyle = "rgba(128, 128, 128, 128)" - this.context.lineWidth = 0.5 - this.context.beginPath() - for (var x = 0; x <= this.width; x += MINO_SIZE) { - this.context.moveTo(x, 0); - this.context.lineTo(x, this.height); - } - for (var y = 0; y <= this.height; y += MINO_SIZE) { - this.context.moveTo(0, y); - this.context.lineTo(this.width, y); - } - this.context.stroke() - - if (state != STATE.PAUSED) { - // ghost position - for (var ghost_pos = Array.from(this.piece.pos); this.spaceToMove(this.piece.minoesPos.translate(ghost_pos)); ghost_pos[1]++) {} - ghost_pos[1]-- - - // locked minoes - this.cells.slice(3).forEach((row, y) => row.forEach((colors, x) => { - if (colors) drawMino(this.context, [x, y], ...colors, ghost_pos) - })) - - // trail - if (this.trail.height) { - this.context.fillStyle = this.trail.gradient - this.trail.minoesPos.forEach(topLeft => { - this.context.fillRect(...topLeft, MINO_SIZE, this.trail.height) - }) - } - - // falling piece - if (this.piece) - this.piece.draw(this.context, ghost_pos) - - // Lines cleared - if (this.linesCleared.length) { - this.context.save() - this.context.shadowColor = "white" - this.context.shadowOffsetX = 0 - this.context.shadowOffsetY = 0 - this.context.shadowBlur = 5 - this.context.fillStyle = "white" - this.linesCleared.forEach(y => this.context.fillRect(0, y, this.width, MINO_SIZE)) - this.context.restore() - } - } - - // text - var texts = [] - switch(state) { - case STATE.PLAYING: - if (tempTexts.length) - texts = tempTexts[0] - break - case STATE.PAUSED: - texts = ["PAUSED"] - break - case STATE.GAME_OVER: - texts = ["GAME", "OVER"] - } - if (texts.length) { - this.context.save() - this.context.shadowColor = "black" - this.context.shadowOffsetX = 1 - this.context.shadowOffsetY = 1 - this.context.shadowBlur = 2 - this.context.fillStyle = "white" - if (texts.length == 1) - this.context.fillText(texts[0], this.centerX, this.centerY) - else { - this.context.fillText(texts[0], this.centerX, this.centerY - 20) - this.context.fillText(texts[1], this.centerX, this.centerY + 20) - } - this.context.restore() - } - } -} - - -class NextQueue { - constructor() { - this.context = document.getElementById("next").getContext("2d") - this.pieces = Array.from({length: NEXT_PIECES}, (v, k) => new Tetromino(NEXT_PIECES_POSITIONS[k])) - this.width = NEXT_COLUMNS*MINO_SIZE - this.height = NEXT_ROWS*MINO_SIZE - } - - draw() { - this.context.clearRect(0, 0, this.width, this.height) - if (state != STATE.PAUSED) { - this.pieces.forEach(piece => piece.draw(this.context)) - } - } -} - - -function newLevel(startLevel) { - stats.newLevel(startLevel) - generationPhase() -} - -function generationPhase(held_piece=null) { - if (!held_piece) { - matrix.piece = nextQueue.pieces.shift() - nextQueue.pieces.push(new Tetromino()) - nextQueue.pieces.forEach((piece, i) => piece.pos = NEXT_PIECES_POSITIONS[i]) - } - matrix.piece.pos = FALLING_PIECE_POSITION - if (matrix.spaceToMove(matrix.piece.minoesPos.translate(matrix.piece.pos))) - fallingPhase() - else - gameOver() -} - -function fallingPhase() { - scheduler.clearTimeout(lockPhase) - scheduler.clearTimeout(locksDown) - matrix.piece.locked = false - scheduler.setTimeout(lockPhase, stats.fallDelay) -} - -function lockPhase() { - if (!move(MOVEMENT.DOWN)) { - matrix.piece.locked = true - if (!scheduler.timeoutTasks.has(locksDown)) - scheduler.setTimeout(locksDown, stats.lockDelay) - } - requestAnimationFrame(draw) -} - -function move(movement, testMinoesPos=matrix.piece.minoesPos) { - const testPos = matrix.piece.pos.add(movement) - if (matrix.spaceToMove(testMinoesPos.translate(testPos))) { - matrix.piece.pos = testPos - matrix.piece.minoesPos = testMinoesPos - if (movement != MOVEMENT.DOWN) - matrix.piece.rotatedLast = false - if (matrix.spaceToMove(matrix.piece.minoesPos.translate(matrix.piece.pos.add(MOVEMENT.DOWN)))) - fallingPhase() - else { - matrix.piece.locked = true - scheduler.clearTimeout(locksDown) - scheduler.setTimeout(locksDown, stats.lockDelay) - } - return true - } else { - return false - } -} - -function rotate(spin) { - const test_minoes_pos = matrix.piece.minoesPos.map(pos => pos.rotate(spin)) - rotationPoint = 1 - for (const movement of matrix.piece.srs[spin][matrix.piece.orientation]) { - if (move(movement, test_minoes_pos)) { - matrix.piece.orientation = (matrix.piece.orientation + spin + 4) % 4 - matrix.piece.rotatedLast = true - if (rotationPoint == 5) - matrix.piece.rotationPoint5Used = true - return true - } - rotationPoint++ - } - return false -} - -function locksDown(){ - scheduler.clearInterval(move) - if (matrix.piece.minoesAbsPos.every(pos => pos.y < 0)) - game_over() - else { - matrix.piece.minoesAbsPos.forEach(pos => matrix.cells[pos[1]+3][pos[0]] = [matrix.piece.lightColor, matrix.piece.color]) - - // T-Spin detection - var tSpin = T_SPIN.NONE - if (matrix.piece.rotatedLast && matrix.piece.shape == "T") { - const tSlots = T_SLOT_POS.translate(matrix.piece.pos).map(pos => matrix.cellIsOccupied(...pos)), - a = tSlots[(matrix.piece.orientation+T_SLOT.A)%4], - b = tSlots[(matrix.piece.orientation+T_SLOT.B)%4], - c = tSlots[(matrix.piece.orientation+T_SLOT.C)%4], - d = tSlots[(matrix.piece.orientation+T_SLOT.D)%4] - if (a && b && (c || d)) - tSpin = T_SPIN.T_SPIN - else if (c && d && (a || b)) - tSpin = matrix.piece.rotationPoint5Used ? T_SPIN.T_SPIN : T_SPIN.MINI - } - - // Complete lines - matrix.linesCleared = [] - matrix.cells.forEach((row, y) => { - if (row.filter(mino => mino.length).length == MATRIX_COLUMNS) { - matrix.cells.splice(y, 1) - matrix.cells.unshift(Array(MATRIX_COLUMNS)) - matrix.linesCleared.push((y-3) * MINO_SIZE) - } - }) - - stats.locksDown(tSpin, matrix.linesCleared.length) - requestAnimationFrame(draw) - scheduler.setTimeout(clearLinesCleared, ANIMATION_DELAY) - - if (stats.goal <= 0) - newLevel() - else - generationPhase() - } -} - -function clearLinesCleared() { - matrix.linesCleared = [] - requestAnimationFrame(draw) -} - -function gameOver() { - state = STATE.GAME_OVER - scheduler.clearTimeout(lockPhase) - scheduler.clearTimeout(locksDown) - scheduler.clearInterval(clock) - requestAnimationFrame(draw) - - if (stats.score == stats.highScore) { - alert("Bravo ! Vous avez battu votre précédent record.") - localStorage.setItem('highScore', stats.highScore) - } -} - -function autorepeat() { - if (actionsToRepeat.length) { - actionsToRepeat[0]() - requestAnimationFrame(draw) - if (scheduler.timeoutTasks.has(autorepeat)) { - scheduler.clearTimeout(autorepeat) - scheduler.setInterval(autorepeat, AUTOREPEAT_PERIOD) - } - } else { - scheduler.clearTimeout(autorepeat) - scheduler.clearInterval(autorepeat) - } -} - -function keyDownHandler(e) { - if (!pressedKeys.has(e.key)) { - pressedKeys.add(e.key) - if (e.key in actions[state]) { - action = actions[state][e.key] - action() - requestAnimationFrame(draw) - if (REPEATABLE_ACTIONS.includes(action)) { - actionsToRepeat.unshift(action) - scheduler.clearTimeout(autorepeat) - scheduler.clearInterval(autorepeat) - if (action == softDrop) - scheduler.setInterval(autorepeat, stats.fallDelay / 20) - else - scheduler.setTimeout(autorepeat, AUTOREPEAT_DELAY) - } - } - } -} - -function keyUpHandler(e) { - pressedKeys.delete(e.key) - if (e.key in actions[state]) { - action = actions[state][e.key] - if (actionsToRepeat.includes(action)) { - actionsToRepeat.splice(actionsToRepeat.indexOf(action), 1) - if (!actionsToRepeat.length) { - scheduler.clearTimeout(autorepeat) - scheduler.clearInterval(autorepeat) - } - } - } -} - -function moveLeft() { - move(MOVEMENT.LEFT); -} - -function moveRight() { - move(MOVEMENT.RIGHT) -} - -function softDrop() { - if (move(MOVEMENT.DOWN)) - stats.score++ -} - -function hardDrop() { - scheduler.clearTimeout(lockPhase) - scheduler.clearTimeout(locksDown) - matrix.trail.minoesPos = Array.from(matrix.piece.minoesAbsPos).map(pos => pos.mul(MINO_SIZE)) - for (matrix.trail.height=0; move(MOVEMENT.DOWN); matrix.trail.height += MINO_SIZE) { - stats.score += 2 - } - locksDown() - matrix.trail.gradient = matrix.context.createLinearGradient(0, 0, 0, matrix.trail.height) - matrix.trail.gradient.addColorStop(0,"rgba(255, 255, 255, 0)") - matrix.trail.gradient.addColorStop(1, matrix.piece.ghostColor) - scheduler.setTimeout(clearTrail, ANIMATION_DELAY) -} - -function clearTrail() { - matrix.trail.height = 0 - requestAnimationFrame(draw) -} - -function rotateCW() { - rotate(SPIN.CW) -} - -function rotateCCW() { - rotate(SPIN.CCW) -} - -function hold() { - if (this.matrix.piece.holdEnabled) { - scheduler.clearInterval(move) - scheduler.clearInterval(locksDown) - var shape = this.matrix.piece.shape - this.matrix.piece = this.holdQueue.piece - this.holdQueue.piece = new Tetromino(HELD_PIECE_POSITION, shape) - this.holdQueue.piece.holdEnabled = false - this.generationPhase(this.matrix.piece) - } -} - -function pause() { - state = STATE.PAUSED - stats.pauseTime = Date.now() - stats.startTime - scheduler.clearTimeout(lockPhase) - scheduler.clearTimeout(locksDown) - scheduler.clearTimeout(autorepeat) - scheduler.clearInterval(clock) -} - -function resume() { - state = STATE.PLAYING - stats.startTime = Date.now() - stats.pauseTime - scheduler.setTimeout(lockPhase, stats.fallDelay) - if (matrix.piece.locked) - scheduler.setTimeout(locksDown, stats.lockDelay) - requestAnimationFrame(draw) - scheduler.setInterval(clock, 1000) -} - -function printTempTexts(texts) { - tempTexts.push(texts) - if (!scheduler.intervalTasks.has(delTempTexts)) - scheduler.setInterval(delTempTexts, TEMP_TEXTS_DELAY) -} - -function delTempTexts(self) { - if (tempTexts.length) - tempTexts.shift() - else - scheduler.clearInterval(delTempTexts) -} - -function clock() { - stats.print() -} - -function draw() { - holdQueue.draw() - stats.print() - matrix.draw() - nextQueue.draw() -} - -function getKey(action) { - return localStorage.getItem(action) || actionsDefaultKeys[action] -} - -window.onload = function() { - tempTexts = [] - - holdQueue = new HoldQueue() - stats = new Stats() - matrix = new Matrix() - nextQueue = new NextQueue() - - actions[STATE.PLAYING] = {} - actions[STATE.PLAYING][getKey("moveLeft")] = moveLeft - actions[STATE.PLAYING][getKey("moveRight")] = moveRight - actions[STATE.PLAYING][getKey("softDrop")] = softDrop - actions[STATE.PLAYING][getKey("hardDrop")] = hardDrop - actions[STATE.PLAYING][getKey("rotateCW")] = rotateCW - actions[STATE.PLAYING][getKey("rotateCCW")] = rotateCCW - actions[STATE.PLAYING][getKey("hold")] = hold - actions[STATE.PLAYING][getKey("pause")] = pause - actions[STATE.PAUSED] = {} - actions[STATE.PAUSED][getKey("pause")] = resume - actions[STATE.GAME_OVER] = {} - pressedKeys = new Set() - actionsToRepeat = [] - addEventListener("keydown", keyDownHandler, false) - addEventListener("keyup", keyUpHandler, false) - - state = STATE.PLAYING - scheduler = new Scheduler() - scheduler.setInterval(clock, 1000) - this.newLevel(1) +Array.prototype.add = function(other) { + return this.map((x, i) => x + other[i]) +} + +Array.prototype.mul = function(k) { + return this.map(x => k * x) +} + +Array.prototype.translate = function(vector) { + return this.map(pos => pos.add(vector)) +} + +Array.prototype.rotate = function(spin) { + return [-spin*this[1], spin*this[0]] +} + +Array.prototype.pick = function() { + return this.splice(Math.floor(Math.random()*this.length), 1)[0] +} + + +const MINO_SIZE = 20 +const NEXT_PIECES = 5 +const HOLD_ROWS = 6 +const HOLD_COLUMNS = 6 +const MATRIX_ROWS = 20 +const MATRIX_COLUMNS = 10 +const NEXT_ROWS = 20 +const NEXT_COLUMNS = 6 +const HELD_PIECE_POSITION = [2, 2] +const FALLING_PIECE_POSITION = [4, 0] +const NEXT_PIECES_POSITIONS = Array.from({length: NEXT_PIECES}, (v, k) => [2, k*4+2]) +const LOCK_DELAY = 500 +const FALL_DELAY = 1000 +const AUTOREPEAT_DELAY = 250 +const AUTOREPEAT_PERIOD = 10 +const ANIMATION_DELAY = 100 +const TEMP_TEXTS_DELAY = 700 +const MOVEMENT = { + LEFT: [-1, 0], + RIGHT: [ 1, 0], + DOWN: [ 0, 1] +} +const SPIN = { + CW: 1, + CCW: -1 +} +const T_SPIN = { + NONE: "", + MINI: "MINI\nT-SPIN", + T_SPIN: "T-SPIN" +} +const T_SLOT = { + A: 0, + B: 1, + C: 3, + D: 2 +} +const T_SLOT_POS = [[-1, -1], [1, -1], [1, 1], [-1, 1]] +const SCORES = [ + {linesClearedName: "", "": 0, "MINI\nT-SPIN": 1, "T-SPIN": 4}, + {linesClearedName: "SINGLE", "": 1, "MINI\nT-SPIN": 2, "T-SPIN": 8}, + {linesClearedName: "DOUBLE", "": 3, "T-SPIN": 12}, + {linesClearedName: "TRIPLE", "": 5, "T-SPIN": 16}, + {linesClearedName: "TETRIS", "": 8}, +] +const REPEATABLE_ACTIONS = [moveLeft, moveRight, softDrop] +const STATE = { + PLAYING: "PLAYING", + PAUSED: "PAUSE", + GAME_OVER: "GAME OVER" +} +const actionsDefaultKeys = { + moveLeft: "ArrowLeft", + moveRight: "ArrowRight", + softDrop: "ArrowDown", + hardDrop: " ", + rotateCW: "ArrowUp", + rotateCCW: "z", + hold: "c", + pause: "Escape", +} +var actions = {} + + +class Scheduler { + constructor() { + this.intervalTasks = new Map() + this.timeoutTasks = new Map() + } + + setInterval(func, delay, ...args) { + this.intervalTasks.set(func, window.setInterval(func, delay, ...args)) + } + + setTimeout(func, delay, ...args) { + this.timeoutTasks.set(func, window.setTimeout(func, delay, ...args)) + } + + clearInterval(func) { + if (this.intervalTasks.has(func)) { + window.clearInterval(this.intervalTasks.get(func)) + this.intervalTasks.delete(func) + } + } + + clearTimeout(func) { + if (this.timeoutTasks.has(func)) { + window.clearTimeout(this.timeoutTasks.get(func)) + this.timeoutTasks.delete(func) + } + } +} + + +shapes = [] +class Tetromino { + constructor(position=null, shape=null) { + this.pos = position + this.orientation = 0 + this.rotatedLast = false + this.rotationPoint5Used = false + this.holdEnabled = true + this.locked = false + this.srs = {} + this.srs[SPIN.CW] = [ + [[0, 0], [-1, 0], [-1, -1], [0, 2], [-1, 2]], + [[0, 0], [ 1, 0], [ 1, 1], [0, -2], [ 1, -2]], + [[0, 0], [ 1, 0], [ 1, -1], [0, 2], [ 1, 2]], + [[0, 0], [-1, 0], [-1, 1], [0, -2], [-1, -2]], + ] + this.srs[SPIN.CCW] = [ + [[0, 0], [ 1, 0], [ 1, -1], [0, 2], [ 1, 2]], + [[0, 0], [ 1, 0], [ 1, 1], [0, -2], [ 1, -2]], + [[0, 0], [-1, 0], [-1, -1], [0, 2], [-1, 2]], + [[0, 0], [-1, 0], [-1, 1], [0, 2], [-1, -2]], + ] + if (shape) + this.shape = shape + else { + if (!shapes.length) + shapes = ['I', 'J', 'L', 'O', 'S', 'T', 'Z'] + this.shape = shapes.pick() + } + switch(this.shape) { + case 'I': + this.color = "cyan" + this.lightColor = "rgb(234, 250, 250)" + this.ghostColor = "rgba(234, 250, 250, 0.5)" + this.minoesPos = [[-1, 0], [0, 0], [1, 0], [2, 0]] + this.srs[SPIN.CW] = [ + [[ 1, 0], [-1, 0], [ 2, 0], [-1, 1], [ 2, -2]], + [[ 0, 1], [-1, 1], [ 2, 1], [-1, -1], [ 2, 2]], + [[-1, 0], [ 1, 0], [-2, 0], [ 1, -1], [-2, 2]], + [[ 0, 1], [ 1, -1], [-2, -1], [ 1, 1], [-2, -2]], + ] + this.srs[SPIN.CCW] = [ + [[ 0, 1], [-1, 1], [ 2, 1], [-1, -1], [ 2, 2]], + [[-1, 0], [ 1, 0], [-2, 0], [ 1, -1], [-2, 2]], + [[ 0, -1], [ 1, -1], [-2, -1], [ 1, 1], [-2, -2]], + [[ 1, 0], [-1, 0], [ 2, 0], [-1, 1], [ 2, -2]], + ] + break + case 'J': + this.color = "blue" + this.lightColor = "rgb(230, 240, 255)" + this.ghostColor = "rgba(230, 240, 255, 0.5)" + this.minoesPos = [[-1, -1], [-1, 0], [0, 0], [1, 0]] + break + case 'L': + this.color = "orange" + this.lightColor = "rgb(255, 224, 204)" + this.ghostColor = "rgba(255, 224, 204, 0.5)" + this.minoesPos = [[-1, 0], [0, 0], [1, 0], [1, -1]] + break + case 'O': + this.color = "yellow" + this.lightColor = "rgb(255, 255, 230)" + this.ghostColor = "rgba(255, 255, 230, 0.5)" + this.minoesPos = [[0, 0], [1, 0], [0, -1], [1, -1]] + this.srs[SPIN.CW] = [[]] + this.srs[SPIN.CCW] = [[]] + break + case 'S': + this.color = "green" + this.lightColor = "rgb(236, 255, 230)" + this.ghostColor = "rgba(236, 255, 230, 0.5)" + this.minoesPos = [[-1, 0], [0, 0], [0, -1], [1, -1]] + break + case 'T': + this.color = "magenta" + this.lightColor= "rgb(242, 230, 255)" + this.ghostColor = "rgba(242, 230, 255, 0.5)" + this.minoesPos = [[-1, 0], [0, 0], [1, 0], [0, -1]] + break + case 'Z': + this.color = "red" + this.lightColor = "rgb(255, 230, 230)" + this.ghostColor = "rgba(255, 230, 230, 0.5)" + this.minoesPos = [[-1, -1], [0, -1], [0, 0], [1, 0]] + break + } + } + + get minoesAbsPos() { + return this.minoesPos.translate(this.pos) + } + + draw(context, ghost_pos=[0, 0]) { + const color = this.locked ? this.lightColor : this.color + if (ghost_pos[1]) { + context.save() + context.shadowColor = this.ghostColor + context.shadowOffsetX = 0 + context.shadowOffsetY = (ghost_pos[1]-this.pos[1]) * MINO_SIZE + context.shadowBlur = 3 + this.minoesAbsPos.forEach(pos => drawMino(context, pos, color)) + context.restore() + } + this.minoesAbsPos.forEach(pos => drawMino(context, pos, this.lightColor, color, ghost_pos)) + } +} + + +function drawMino(context, pos, color1, color2=null, spotlight=[0, 0]) { + if (color2) { + var center = pos.add([0.5, 0.5]) + spotlight = spotlight.add([0.5, 0.5]) + var glint = spotlight.mul(0.1).add(center.mul(0.9)).mul(MINO_SIZE) + const gradient = context.createRadialGradient( + ...glint, 2, ...glint.add([6, 4]), 2*MINO_SIZE + ) + gradient.addColorStop(0, color1) + gradient.addColorStop(1, color2) + context.fillStyle = gradient + } else + context.fillStyle = color1 + var topLeft = pos.mul(MINO_SIZE) + context.fillRect(...topLeft, MINO_SIZE, MINO_SIZE) + context.lineWidth = 0.5 + context.strokeStyle = "white" + context.strokeRect(...topLeft, MINO_SIZE, MINO_SIZE) +} + + +class HoldQueue { + constructor() { + this.context = document.getElementById("hold").getContext("2d") + this.piece = null + this.width = HOLD_COLUMNS*MINO_SIZE + this.height = HOLD_ROWS*MINO_SIZE + } + + draw() { + this.context.clearRect(0, 0, this.width, this.height) + if (state != STATE.PAUSED) { + if (this.piece) + this.piece.draw(this.context) + } + } +} + + +timeFormat = new Intl.DateTimeFormat("fr-FR", { + minute: "2-digit", second: "2-digit", hourCycle: "h24", timeZone: "UTC" +}).format + + +class Stats { + constructor () { + this.div = document.getElementById("stats-values") + this._score = 0 + this.highScore = localStorage.getItem('highScore') || 0 + this.goal = 0 + this.linesCleared = 0 + this.startTime = Date.now() + this.pauseTime = 0 + this.combo = -1 + this.lockDelay = LOCK_DELAY + this.fallDelay = FALL_DELAY + } + + get score() { + return this._score + } + + set score(score) { + this._score = score + if (score > this.highScore) + this.highScore = score + } + + newLevel(level=null) { + if (level) + this.level = level + else + this.level++ + printTempTexts(["LEVEL", this.level]) + this.goal += 5 * this.level + if (this.level <= 20) + this.fallDelay = 1000 * Math.pow(0.8 - ((this.level - 1) * 0.007), this.level - 1) + if (this.level > 15) + this.lockDelay = 500 * Math.pow(0.9, this.level - 15) + } + + locksDown(tSpin, linesCleared) { + var patternName = [] + var patternScore = 0 + var combo_score = 0 + + if (tSpin) + patternName.push(tSpin) + if (linesCleared) { + patternName.push(SCORES[linesCleared].linesClearedName) + this.combo++ + } else + this.combo = -1 + + if (linesCleared || tSpin) { + this.linesCleared += linesCleared + patternScore = SCORES[linesCleared][tSpin] + this.goal -= patternScore + patternScore *= 100 * this.level + patternName = patternName.join("\n") + } + if (this.combo >= 1) + combo_score = (linesCleared == 1 ? 20 : 50) * this.combo * this.level + + this.score += patternScore + combo_score + + if (patternScore) + printTempTexts([patternName, patternScore]) + if (combo_score) + printTempTexts([`COMBO x${this.combo}`, combo_score]) + } + + print() { + this.div.innerHTML = `${this.score}
+ ${this.highScore}
+ ${timeFormat(Date.now() - this.startTime)}
+ ${this.level}
+ ${this.goal}
+ ${this.linesCleared}` + } +} + + +class Matrix { + constructor() { + this.context = document.getElementById("matrix").getContext("2d") + this.context.textAlign = "center" + this.context.textBaseline = "center" + this.context.font = "3vw 'Share Tech', sans-serif" + this.cells = Array.from(Array(MATRIX_ROWS+3), row => Array(MATRIX_COLUMNS)) + this.width = MATRIX_COLUMNS*MINO_SIZE + this.height = MATRIX_ROWS*MINO_SIZE + this.centerX = this.width / 2 + this.centerY = this.height / 2 + this.piece = null + this.trail = { + minoesPos: [], + height: 0, + gradient: null + } + this.linesCleared = [] + } + + cellIsOccupied(x, y) { + return 0 <= x && x < MATRIX_COLUMNS && y < MATRIX_ROWS ? this.cells[y+3][x] : true + } + + spaceToMove(minoesAbsPos) { + return !minoesAbsPos.some(pos => this.cellIsOccupied(...pos)) + } + + draw() { + this.context.clearRect(0, 0, this.width, this.height) + + // grid + this.context.strokeStyle = "rgba(128, 128, 128, 128)" + this.context.lineWidth = 0.5 + this.context.beginPath() + for (var x = 0; x <= this.width; x += MINO_SIZE) { + this.context.moveTo(x, 0); + this.context.lineTo(x, this.height); + } + for (var y = 0; y <= this.height; y += MINO_SIZE) { + this.context.moveTo(0, y); + this.context.lineTo(this.width, y); + } + this.context.stroke() + + if (state != STATE.PAUSED) { + // ghost position + for (var ghost_pos = Array.from(this.piece.pos); this.spaceToMove(this.piece.minoesPos.translate(ghost_pos)); ghost_pos[1]++) {} + ghost_pos[1]-- + + // locked minoes + this.cells.slice(3).forEach((row, y) => row.forEach((colors, x) => { + if (colors) drawMino(this.context, [x, y], ...colors, ghost_pos) + })) + + // trail + if (this.trail.height) { + this.context.fillStyle = this.trail.gradient + this.trail.minoesPos.forEach(topLeft => { + this.context.fillRect(...topLeft, MINO_SIZE, this.trail.height) + }) + } + + // falling piece + if (this.piece) + this.piece.draw(this.context, ghost_pos) + + // Lines cleared + if (this.linesCleared.length) { + this.context.save() + this.context.shadowColor = "white" + this.context.shadowOffsetX = 0 + this.context.shadowOffsetY = 0 + this.context.shadowBlur = 5 + this.context.fillStyle = "white" + this.linesCleared.forEach(y => this.context.fillRect(0, y, this.width, MINO_SIZE)) + this.context.restore() + } + } + + // text + var texts = [] + switch(state) { + case STATE.PLAYING: + if (tempTexts.length) + texts = tempTexts[0] + break + case STATE.PAUSED: + texts = ["PAUSED"] + break + case STATE.GAME_OVER: + texts = ["GAME", "OVER"] + } + if (texts.length) { + this.context.save() + this.context.shadowColor = "black" + this.context.shadowOffsetX = 1 + this.context.shadowOffsetY = 1 + this.context.shadowBlur = 2 + this.context.fillStyle = "white" + if (texts.length == 1) + this.context.fillText(texts[0], this.centerX, this.centerY) + else { + this.context.fillText(texts[0], this.centerX, this.centerY - 20) + this.context.fillText(texts[1], this.centerX, this.centerY + 20) + } + this.context.restore() + } + } +} + + +class NextQueue { + constructor() { + this.context = document.getElementById("next").getContext("2d") + this.pieces = Array.from({length: NEXT_PIECES}, (v, k) => new Tetromino(NEXT_PIECES_POSITIONS[k])) + this.width = NEXT_COLUMNS*MINO_SIZE + this.height = NEXT_ROWS*MINO_SIZE + } + + draw() { + this.context.clearRect(0, 0, this.width, this.height) + if (state != STATE.PAUSED) { + this.pieces.forEach(piece => piece.draw(this.context)) + } + } +} + + +function newLevel(startLevel) { + stats.newLevel(startLevel) + generationPhase() +} + +function generationPhase(held_piece=null) { + if (!held_piece) { + matrix.piece = nextQueue.pieces.shift() + nextQueue.pieces.push(new Tetromino()) + nextQueue.pieces.forEach((piece, i) => piece.pos = NEXT_PIECES_POSITIONS[i]) + } + matrix.piece.pos = FALLING_PIECE_POSITION + if (matrix.spaceToMove(matrix.piece.minoesPos.translate(matrix.piece.pos))) + fallingPhase() + else + gameOver() +} + +function fallingPhase() { + scheduler.clearTimeout(lockPhase) + scheduler.clearTimeout(locksDown) + matrix.piece.locked = false + scheduler.setTimeout(lockPhase, stats.fallDelay) +} + +function lockPhase() { + if (!move(MOVEMENT.DOWN)) { + matrix.piece.locked = true + if (!scheduler.timeoutTasks.has(locksDown)) + scheduler.setTimeout(locksDown, stats.lockDelay) + } + requestAnimationFrame(draw) +} + +function move(movement, testMinoesPos=matrix.piece.minoesPos) { + const testPos = matrix.piece.pos.add(movement) + if (matrix.spaceToMove(testMinoesPos.translate(testPos))) { + matrix.piece.pos = testPos + matrix.piece.minoesPos = testMinoesPos + if (movement != MOVEMENT.DOWN) + matrix.piece.rotatedLast = false + if (matrix.spaceToMove(matrix.piece.minoesPos.translate(matrix.piece.pos.add(MOVEMENT.DOWN)))) + fallingPhase() + else { + matrix.piece.locked = true + scheduler.clearTimeout(locksDown) + scheduler.setTimeout(locksDown, stats.lockDelay) + } + return true + } else { + return false + } +} + +function rotate(spin) { + const test_minoes_pos = matrix.piece.minoesPos.map(pos => pos.rotate(spin)) + rotationPoint = 1 + for (const movement of matrix.piece.srs[spin][matrix.piece.orientation]) { + if (move(movement, test_minoes_pos)) { + matrix.piece.orientation = (matrix.piece.orientation + spin + 4) % 4 + matrix.piece.rotatedLast = true + if (rotationPoint == 5) + matrix.piece.rotationPoint5Used = true + return true + } + rotationPoint++ + } + return false +} + +function locksDown(){ + scheduler.clearInterval(move) + if (matrix.piece.minoesAbsPos.every(pos => pos.y < 0)) + game_over() + else { + matrix.piece.minoesAbsPos.forEach(pos => matrix.cells[pos[1]+3][pos[0]] = [matrix.piece.lightColor, matrix.piece.color]) + + // T-Spin detection + var tSpin = T_SPIN.NONE + if (matrix.piece.rotatedLast && matrix.piece.shape == "T") { + const tSlots = T_SLOT_POS.translate(matrix.piece.pos).map(pos => matrix.cellIsOccupied(...pos)), + a = tSlots[(matrix.piece.orientation+T_SLOT.A)%4], + b = tSlots[(matrix.piece.orientation+T_SLOT.B)%4], + c = tSlots[(matrix.piece.orientation+T_SLOT.C)%4], + d = tSlots[(matrix.piece.orientation+T_SLOT.D)%4] + if (a && b && (c || d)) + tSpin = T_SPIN.T_SPIN + else if (c && d && (a || b)) + tSpin = matrix.piece.rotationPoint5Used ? T_SPIN.T_SPIN : T_SPIN.MINI + } + + // Complete lines + matrix.linesCleared = [] + matrix.cells.forEach((row, y) => { + if (row.filter(mino => mino.length).length == MATRIX_COLUMNS) { + matrix.cells.splice(y, 1) + matrix.cells.unshift(Array(MATRIX_COLUMNS)) + matrix.linesCleared.push((y-3) * MINO_SIZE) + } + }) + + stats.locksDown(tSpin, matrix.linesCleared.length) + requestAnimationFrame(draw) + scheduler.setTimeout(clearLinesCleared, ANIMATION_DELAY) + + if (stats.goal <= 0) + newLevel() + else + generationPhase() + } +} + +function clearLinesCleared() { + matrix.linesCleared = [] + requestAnimationFrame(draw) +} + +function gameOver() { + state = STATE.GAME_OVER + scheduler.clearTimeout(lockPhase) + scheduler.clearTimeout(locksDown) + scheduler.clearInterval(clock) + requestAnimationFrame(draw) + + if (stats.score == stats.highScore) { + alert("Bravo ! Vous avez battu votre précédent record.") + localStorage.setItem('highScore', stats.highScore) + } +} + +function autorepeat() { + if (actionsToRepeat.length) { + actionsToRepeat[0]() + requestAnimationFrame(draw) + if (scheduler.timeoutTasks.has(autorepeat)) { + scheduler.clearTimeout(autorepeat) + scheduler.setInterval(autorepeat, AUTOREPEAT_PERIOD) + } + } else { + scheduler.clearTimeout(autorepeat) + scheduler.clearInterval(autorepeat) + } +} + +function keyDownHandler(e) { + if (!pressedKeys.has(e.key)) { + pressedKeys.add(e.key) + if (e.key in actions[state]) { + action = actions[state][e.key] + action() + requestAnimationFrame(draw) + if (REPEATABLE_ACTIONS.includes(action)) { + actionsToRepeat.unshift(action) + scheduler.clearTimeout(autorepeat) + scheduler.clearInterval(autorepeat) + if (action == softDrop) + scheduler.setInterval(autorepeat, stats.fallDelay / 20) + else + scheduler.setTimeout(autorepeat, AUTOREPEAT_DELAY) + } + } + } +} + +function keyUpHandler(e) { + pressedKeys.delete(e.key) + if (e.key in actions[state]) { + action = actions[state][e.key] + if (actionsToRepeat.includes(action)) { + actionsToRepeat.splice(actionsToRepeat.indexOf(action), 1) + if (!actionsToRepeat.length) { + scheduler.clearTimeout(autorepeat) + scheduler.clearInterval(autorepeat) + } + } + } +} + +function moveLeft() { + move(MOVEMENT.LEFT); +} + +function moveRight() { + move(MOVEMENT.RIGHT) +} + +function softDrop() { + if (move(MOVEMENT.DOWN)) + stats.score++ +} + +function hardDrop() { + scheduler.clearTimeout(lockPhase) + scheduler.clearTimeout(locksDown) + matrix.trail.minoesPos = Array.from(matrix.piece.minoesAbsPos).map(pos => pos.mul(MINO_SIZE)) + for (matrix.trail.height=0; move(MOVEMENT.DOWN); matrix.trail.height += MINO_SIZE) { + stats.score += 2 + } + locksDown() + matrix.trail.gradient = matrix.context.createLinearGradient(0, 0, 0, matrix.trail.height) + matrix.trail.gradient.addColorStop(0,"rgba(255, 255, 255, 0)") + matrix.trail.gradient.addColorStop(1, matrix.piece.ghostColor) + scheduler.setTimeout(clearTrail, ANIMATION_DELAY) +} + +function clearTrail() { + matrix.trail.height = 0 + requestAnimationFrame(draw) +} + +function rotateCW() { + rotate(SPIN.CW) +} + +function rotateCCW() { + rotate(SPIN.CCW) +} + +function hold() { + if (this.matrix.piece.holdEnabled) { + scheduler.clearInterval(move) + scheduler.clearInterval(locksDown) + var shape = this.matrix.piece.shape + this.matrix.piece = this.holdQueue.piece + this.holdQueue.piece = new Tetromino(HELD_PIECE_POSITION, shape) + this.holdQueue.piece.holdEnabled = false + this.generationPhase(this.matrix.piece) + } +} + +function pause() { + state = STATE.PAUSED + stats.pauseTime = Date.now() - stats.startTime + scheduler.clearTimeout(lockPhase) + scheduler.clearTimeout(locksDown) + scheduler.clearTimeout(autorepeat) + scheduler.clearInterval(clock) +} + +function resume() { + state = STATE.PLAYING + stats.startTime = Date.now() - stats.pauseTime + scheduler.setTimeout(lockPhase, stats.fallDelay) + if (matrix.piece.locked) + scheduler.setTimeout(locksDown, stats.lockDelay) + requestAnimationFrame(draw) + scheduler.setInterval(clock, 1000) +} + +function printTempTexts(texts) { + tempTexts.push(texts) + if (!scheduler.intervalTasks.has(delTempTexts)) + scheduler.setInterval(delTempTexts, TEMP_TEXTS_DELAY) +} + +function delTempTexts(self) { + if (tempTexts.length) + tempTexts.shift() + else + scheduler.clearInterval(delTempTexts) +} + +function clock() { + stats.print() +} + +function draw() { + holdQueue.draw() + stats.print() + matrix.draw() + nextQueue.draw() +} + +function getKey(action) { + return localStorage.getItem(action) || actionsDefaultKeys[action] +} + +window.onload = function() { + tempTexts = [] + + holdQueue = new HoldQueue() + stats = new Stats() + matrix = new Matrix() + nextQueue = new NextQueue() + + actions[STATE.PLAYING] = {} + actions[STATE.PLAYING][getKey("moveLeft")] = moveLeft + actions[STATE.PLAYING][getKey("moveRight")] = moveRight + actions[STATE.PLAYING][getKey("softDrop")] = softDrop + actions[STATE.PLAYING][getKey("hardDrop")] = hardDrop + actions[STATE.PLAYING][getKey("rotateCW")] = rotateCW + actions[STATE.PLAYING][getKey("rotateCCW")] = rotateCCW + actions[STATE.PLAYING][getKey("hold")] = hold + actions[STATE.PLAYING][getKey("pause")] = pause + actions[STATE.PAUSED] = {} + actions[STATE.PAUSED][getKey("pause")] = resume + actions[STATE.GAME_OVER] = {} + pressedKeys = new Set() + actionsToRepeat = [] + addEventListener("keydown", keyDownHandler, false) + addEventListener("keyup", keyUpHandler, false) + + state = STATE.PLAYING + scheduler = new Scheduler() + scheduler.setInterval(clock, 1000) + this.newLevel(1) } \ No newline at end of file diff --git a/webtris.html b/webtris.html index 1dd7551..dad5545 100644 --- a/webtris.html +++ b/webtris.html @@ -1,38 +1,38 @@ - - - - - Webtris - - - - - -

WEBTRIS

-
-
-
-
- -
-
-
-
- SCORE
- RECORD
- TEMPS
- NIVEAU
- OBJECTIF
- LIGNES
-
-
-
- -
- Votre navigateur ne supporte pas HTML5, veuillez le mettre à jour pour jouer. -
- -
-
- + + + + + Webtris + + + + + +

WEBTRIS

+
+
+
+
+ +
+
+
+
+ SCORE
+ RECORD
+ TEMPS
+ NIVEAU
+ OBJECTIF
+ LIGNES
+
+
+
+ +
+ Votre navigateur ne supporte pas HTML5, veuillez le mettre à jour pour jouer. +
+ +
+
+ \ No newline at end of file