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Fixes incomplete restore in paintFormXObject

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This commit is contained in:
Yury Delendik 2012-10-26 23:30:01 -05:00
parent d2c1868497
commit 4c533d065d
4 changed files with 15 additions and 1 deletions
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9
src/canvas.js
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@ -187,6 +187,7 @@ var CanvasExtraState = (function CanvasExtraStateClosure() {
this.fillAlpha = 1;
this.strokeAlpha = 1;
this.lineWidth = 1;
this.paintFormXObjectDepth = 0;
this.old = old;
}
@ -1102,6 +1103,7 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
paintFormXObjectBegin: function CanvasGraphics_paintFormXObjectBegin(matrix,
bbox) {
this.save();
this.current.paintFormXObjectDepth++;
if (matrix && isArray(matrix) && 6 == matrix.length)
this.transform.apply(this, matrix);
@ -1116,7 +1118,12 @@ var CanvasGraphics = (function CanvasGraphicsClosure() {
},
paintFormXObjectEnd: function CanvasGraphics_paintFormXObjectEnd() {
this.restore();
var depth = this.current.paintFormXObjectDepth;
do {
this.restore();
// some pdf don't close all restores inside object
// closing those for them
} while (this.current.paintFormXObjectDepth >= depth);
},
paintJpegXObject: function CanvasGraphics_paintJpegXObject(objId, w, h) {