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Reduce max size for pattern and limit group canvases

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This commit is contained in:
Yury Delendik 2013-08-16 09:50:48 -05:00
parent 5ca1c84564
commit b8143b394c
2 changed files with 43 additions and 38 deletions
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18
src/shared/pattern.js
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@ -269,7 +269,7 @@ var TilingPattern = (function TilingPatternClosure() {
UNCOLORED: 2
};
var MAX_PATTERN_SIZE = 8192;
var MAX_PATTERN_SIZE = 3000; // 10in @ 300dpi shall be enough
function TilingPattern(IR, color, ctx, objs, commonObjs, baseTransform) {
this.name = IR[1][0].name;
@ -303,7 +303,7 @@ var TilingPattern = (function TilingPatternClosure() {
};
TilingPattern.prototype = {
createPatternCanvas: function TilinPattern_createPatternCanvas(tmpCanvas) {
createPatternCanvas: function TilinPattern_createPatternCanvas(owner) {
var operatorList = this.operatorList;
var bbox = this.bbox;
var xstep = this.xstep;
@ -343,12 +343,10 @@ var TilingPattern = (function TilingPatternClosure() {
height = Math.min(Math.ceil(Math.abs(height * combinedScale[1])),
MAX_PATTERN_SIZE);
tmpCanvas.width = width;
tmpCanvas.height = height;
// set the new canvas element context as the graphics context
var tmpCtx = tmpCanvas.getContext('2d');
var tmpCanvas = CachedCanvases.getCanvas('pattern', width, height, true);
var tmpCtx = tmpCanvas.context;
var graphics = new CanvasGraphics(tmpCtx, commonObjs, objs);
graphics.groupLevel = owner.groupLevel;
this.setFillAndStrokeStyleToContext(tmpCtx, paintType, color);
@ -362,6 +360,7 @@ var TilingPattern = (function TilingPatternClosure() {
this.clipBbox(graphics, bbox, x0, y0, x1, y1);
graphics.executeOperatorList(operatorList);
return tmpCanvas.canvas;
},
setScale: function TilingPattern_setScale(width, height, xstep, ystep) {
@ -408,9 +407,8 @@ var TilingPattern = (function TilingPatternClosure() {
}
},
getPattern: function TilingPattern_getPattern() {
var temporaryPatternCanvas = CachedCanvases.getCanvas('pattern');
this.createPatternCanvas(temporaryPatternCanvas);
getPattern: function TilingPattern_getPattern(ctx, owner) {
var temporaryPatternCanvas = this.createPatternCanvas(owner);
var ctx = this.ctx;
ctx.setTransform.apply(ctx, this.baseTransform);