1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 | 1 1 1 1 1 1 1 1 1 1 | /** * @author Mat Groves http://matgroves.com/ @Doormat23 */ /** * the CanvasRenderer draws the stage and all its content onto a 2d canvas. This renderer should be used for browsers that do not support webGL. * Dont forget to add the view to your DOM or you will not see anything :) * * @class CanvasRenderer * @constructor * @param width=0 {Number} the width of the canvas view * @param height=0 {Number} the height of the canvas view * @param view {Canvas} the canvas to use as a view, optional * @param transparent=false {Boolean} the transparency of the render view, default false */ PIXI.CanvasRenderer = function(width, height, view, transparent) { PIXI.defaultRenderer = PIXI.defaultRenderer || this; this.type = PIXI.CANVAS_RENDERER; this.transparent = transparent; if(!PIXI.blendModesCanvas) { PIXI.blendModesCanvas = []; if(PIXI.canUseNewCanvasBlendModes()) { PIXI.blendModesCanvas[PIXI.blendModes.NORMAL] = "source-over"; PIXI.blendModesCanvas[PIXI.blendModes.ADD] = "lighter"; //IS THIS OK??? PIXI.blendModesCanvas[PIXI.blendModes.MULTIPLY] = "multiply"; PIXI.blendModesCanvas[PIXI.blendModes.SCREEN] = "screen"; } else { // this means that the browser does not support the cool new blend modes in canvas "cough" ie "cough" PIXI.blendModesCanvas[PIXI.blendModes.NORMAL] = "source-over"; PIXI.blendModesCanvas[PIXI.blendModes.ADD] = "lighter"; //IS THIS OK??? PIXI.blendModesCanvas[PIXI.blendModes.MULTIPLY] = "source-over"; PIXI.blendModesCanvas[PIXI.blendModes.SCREEN] = "source-over"; } } /** * The width of the canvas view * * @property width * @type Number * @default 800 */ this.width = width || 800; /** * The height of the canvas view * * @property height * @type Number * @default 600 */ this.height = height || 600; /** * The canvas element that the everything is drawn to * * @property view * @type Canvas */ this.view = view || document.createElement( "canvas" ); /** * The canvas context that the everything is drawn to * @property context * @type Canvas 2d Context */ this.context = this.view.getContext( "2d" ); //some filter variables this.smoothProperty = null; if("imageSmoothingEnabled" in this.context) this.smoothProperty = "imageSmoothingEnabled"; else if("webkitImageSmoothingEnabled" in this.context) this.smoothProperty = "webkitImageSmoothingEnabled"; else if("mozImageSmoothingEnabled" in this.context) this.smoothProperty = "mozImageSmoothingEnabled"; else if("oImageSmoothingEnabled" in this.context) this.smoothProperty = "oImageSmoothingEnabled"; this.scaleMode = null; this.refresh = true; // hack to enable some hardware acceleration! //this.view.style["transform"] = "translatez(0)"; this.view.width = this.width; this.view.height = this.height; this.count = 0; this.maskManager = new PIXI.CanvasMaskManager(); this.renderSession = {}; this.renderSession.context = this.context; this.renderSession.maskManager = this.maskManager; }; // constructor PIXI.CanvasRenderer.prototype.constructor = PIXI.CanvasRenderer; /** * Renders the stage to its canvas view * * @method render * @param stage {Stage} the Stage element to be rendered */ PIXI.CanvasRenderer.prototype.render = function(stage) { //stage.__childrenAdded = []; //stage.__childrenRemoved = []; // update textures if need be PIXI.texturesToUpdate.length = 0; PIXI.texturesToDestroy.length = 0; PIXI.visibleCount++; stage.updateTransform(); // update the background color if(this.view.style.backgroundColor !== stage.backgroundColorString && !this.transparent) this.view.style.backgroundColor = stage.backgroundColorString; this.context.setTransform(1,0,0,1,0,0); this.context.clearRect(0, 0, this.width, this.height); this.renderDisplayObject(stage); //as // run interaction! if(stage.interactive) { //need to add some events! if(!stage._interactiveEventsAdded) { stage._interactiveEventsAdded = true; stage.interactionManager.setTarget(this); } } // remove frame updates.. if(PIXI.Texture.frameUpdates.length > 0) { PIXI.Texture.frameUpdates.length = 0; } }; /** * resizes the canvas view to the specified width and height * * @method resize * @param width {Number} the new width of the canvas view * @param height {Number} the new height of the canvas view */ PIXI.CanvasRenderer.prototype.resize = function(width, height) { this.width = width; this.height = height; this.view.width = width; this.view.height = height; }; /** * Renders a display object * * @method renderDisplayObject * @param displayObject {DisplayObject} The displayObject to render * @private */ PIXI.CanvasRenderer.prototype.renderDisplayObject = function(displayObject, context) { // no loger recurrsive! //var transform; //var context = this.context; this.renderSession.context = context || this.context; displayObject._renderCanvas(this.renderSession); }; /** * Renders a flat strip * * @method renderStripFlat * @param strip {Strip} The Strip to render * @private */ PIXI.CanvasRenderer.prototype.renderStripFlat = function(strip) { var context = this.context; var verticies = strip.verticies; var length = verticies.length/2; this.count++; context.beginPath(); for (var i=1; i < length-2; i++) { // draw some triangles! var index = i*2; var x0 = verticies[index], x1 = verticies[index+2], x2 = verticies[index+4]; var y0 = verticies[index+1], y1 = verticies[index+3], y2 = verticies[index+5]; context.moveTo(x0, y0); context.lineTo(x1, y1); context.lineTo(x2, y2); } context.fillStyle = "#FF0000"; context.fill(); context.closePath(); }; /** * Renders a strip * * @method renderStrip * @param strip {Strip} The Strip to render * @private */ PIXI.CanvasRenderer.prototype.renderStrip = function(strip) { var context = this.context; // draw triangles!! var verticies = strip.verticies; var uvs = strip.uvs; var length = verticies.length/2; this.count++; for (var i = 1; i < length-2; i++) { // draw some triangles! var index = i*2; var x0 = verticies[index], x1 = verticies[index+2], x2 = verticies[index+4]; var y0 = verticies[index+1], y1 = verticies[index+3], y2 = verticies[index+5]; var u0 = uvs[index] * strip.texture.width, u1 = uvs[index+2] * strip.texture.width, u2 = uvs[index+4]* strip.texture.width; var v0 = uvs[index+1]* strip.texture.height, v1 = uvs[index+3] * strip.texture.height, v2 = uvs[index+5]* strip.texture.height; context.save(); context.beginPath(); context.moveTo(x0, y0); context.lineTo(x1, y1); context.lineTo(x2, y2); context.closePath(); context.clip(); // Compute matrix transform var delta = u0*v1 + v0*u2 + u1*v2 - v1*u2 - v0*u1 - u0*v2; var deltaA = x0*v1 + v0*x2 + x1*v2 - v1*x2 - v0*x1 - x0*v2; var deltaB = u0*x1 + x0*u2 + u1*x2 - x1*u2 - x0*u1 - u0*x2; var deltaC = u0*v1*x2 + v0*x1*u2 + x0*u1*v2 - x0*v1*u2 - v0*u1*x2 - u0*x1*v2; var deltaD = y0*v1 + v0*y2 + y1*v2 - v1*y2 - v0*y1 - y0*v2; var deltaE = u0*y1 + y0*u2 + u1*y2 - y1*u2 - y0*u1 - u0*y2; var deltaF = u0*v1*y2 + v0*y1*u2 + y0*u1*v2 - y0*v1*u2 - v0*u1*y2 - u0*y1*v2; context.transform(deltaA / delta, deltaD / delta, deltaB / delta, deltaE / delta, deltaC / delta, deltaF / delta); context.drawImage(strip.texture.baseTexture.source, 0, 0); context.restore(); } }; PIXI.CanvasBuffer = function(width, height) { this.width = width; this.height = height; this.canvas = document.createElement( "canvas" ); this.context = this.canvas.getContext( "2d" ); // this.context.f this.canvas.width = width; this.canvas.height = height; }; PIXI.CanvasBuffer.prototype.clear = function() { this.context.clearRect(0,0, this.width, this.height); }; PIXI.CanvasBuffer.prototype.resize = function(width, height) { this.width = this.canvas.width = width; this.height = this.canvas.height = height; }; |