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canvas.js minor optimizations

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p01 2014-06-02 14:46:59 +02:00
parent 35e418c603
commit 412febe4a4
1 changed files with 9 additions and 12 deletions
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21
src/display/canvas.js
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@ -940,18 +940,15 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
var old = this.current;
this.stateStack.push(old);
this.current = old.clone();
if (this.current.activeSMask) {
this.current.activeSMask = null;
}
this.current.activeSMask = null;
},
restore: function CanvasGraphics_restore() {
var prev = this.stateStack.pop();
if (prev) {
if (this.current.activeSMask) {
if (this.stateStack.length !== 0) {
if (this.current.activeSMask !== null) {
this.endSMaskGroup();
}
this.current = prev;
this.current = this.stateStack.pop();
this.ctx.restore();
}
},
@ -1507,7 +1504,7 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
// Color
getColorN_Pattern: function CanvasGraphics_getColorN_Pattern(IR) {
var pattern;
if (IR[0] == 'TilingPattern') {
if (IR[0] === 'TilingPattern') {
var color = IR[1];
pattern = new TilingPattern(IR, color, this.ctx, this.objs,
this.commonObjs, this.baseTransform);
@ -1583,13 +1580,13 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
this.save();
this.baseTransformStack.push(this.baseTransform);
if (matrix && isArray(matrix) && 6 == matrix.length) {
if (isArray(matrix) && 6 === matrix.length) {
this.transform.apply(this, matrix);
}
this.baseTransform = this.ctx.mozCurrentTransform;
if (bbox && isArray(bbox) && 4 == bbox.length) {
if (isArray(bbox) && 4 === bbox.length) {
var width = bbox[2] - bbox[0];
var height = bbox[3] - bbox[1];
this.rectangle(bbox[0], bbox[1], width, height);
@ -1741,7 +1738,7 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
matrix) {
this.save();
if (rect && isArray(rect) && 4 == rect.length) {
if (isArray(rect) && 4 === rect.length) {
var width = rect[2] - rect[0];
var height = rect[3] - rect[1];
this.rectangle(rect[0], rect[1], width, height);
@ -2059,7 +2056,7 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
consumePath: function CanvasGraphics_consumePath() {
var ctx = this.ctx;
if (this.pendingClip) {
if (this.pendingClip == EO_CLIP) {
if (this.pendingClip === EO_CLIP) {
if (ctx.mozFillRule !== undefined) {
ctx.mozFillRule = 'evenodd';
ctx.clip();