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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Note: The official spec is WIP at wiki.whatwg.org/wiki/OffscreenCanvas. | 5 // Note: The official spec is WIP at wiki.whatwg.org/wiki/OffscreenCanvas. |
6 | 6 |
7 [ | 7 [ |
8 Exposed=(Window,Worker), | 8 Exposed=(Window,Worker), |
9 RuntimeEnabled=ExperimentalCanvasFeatures, | 9 RuntimeEnabled=ExperimentalCanvasFeatures, |
10 ] interface OffscreenCanvasRenderingContext2D { | 10 ] interface OffscreenCanvasRenderingContext2D { |
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39 | 39 |
40 // Line caps/joins | 40 // Line caps/joins |
41 attribute unrestricted double lineWidth; // (default 1) | 41 attribute unrestricted double lineWidth; // (default 1) |
42 attribute DOMString lineCap; // "butt", "round", "square" (default "butt") | 42 attribute DOMString lineCap; // "butt", "round", "square" (default "butt") |
43 attribute DOMString lineJoin; // "round", "bevel", "miter" (default "miter") | 43 attribute DOMString lineJoin; // "round", "bevel", "miter" (default "miter") |
44 attribute unrestricted double miterLimit; // (default 10) | 44 attribute unrestricted double miterLimit; // (default 10) |
45 | 45 |
46 // dashed lines | 46 // dashed lines |
47 void setLineDash(sequence<unrestricted double> dash); | 47 void setLineDash(sequence<unrestricted double> dash); |
48 sequence<unrestricted double> getLineDash(); | 48 sequence<unrestricted double> getLineDash(); |
49 attribute unrestricted double lineDashOffset; | 49 attribute unrestricted double lineDashOffset; |
50 | 50 |
51 // state | 51 // state |
52 void save(); // push state on state stack | 52 void save(); // push state on state stack |
53 void restore(); // pop state stack and restore state | 53 void restore(); // pop state stack and restore state |
54 | 54 |
55 // transformations (default transform is the identity matrix) | 55 // transformations (default transform is the identity matrix) |
56 void scale(unrestricted double x, unrestricted double y); | 56 void scale(unrestricted double x, unrestricted double y); |
57 void rotate(unrestricted double angle); | 57 void rotate(unrestricted double angle); |
58 void translate(unrestricted double x, unrestricted double y); | 58 void translate(unrestricted double x, unrestricted double y); |
59 void transform(unrestricted double a, unrestricted double b, unrestricted do
uble c, unrestricted double d, unrestricted double e, unrestricted double f); | 59 void transform(unrestricted double a, unrestricted double b, unrestricted do
uble c, unrestricted double d, unrestricted double e, unrestricted double f); |
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70 attribute unrestricted double shadowBlur; | 70 attribute unrestricted double shadowBlur; |
71 attribute DOMString shadowColor; | 71 attribute DOMString shadowColor; |
72 | 72 |
73 // pixel manipulation | 73 // pixel manipulation |
74 [RaisesException] ImageData createImageData(ImageData imagedata); | 74 [RaisesException] ImageData createImageData(ImageData imagedata); |
75 [RaisesException] ImageData createImageData(double sw, double sh); | 75 [RaisesException] ImageData createImageData(double sw, double sh); |
76 [RaisesException] ImageData getImageData(double sx, double sy, double sw, do
uble sh); | 76 [RaisesException] ImageData getImageData(double sx, double sy, double sw, do
uble sh); |
77 [RaisesException] void putImageData(ImageData imagedata, double dx, double d
y); | 77 [RaisesException] void putImageData(ImageData imagedata, double dx, double d
y); |
78 [RaisesException] void putImageData(ImageData imagedata, double dx, double d
y, double dirtyX, double dirtyY, double dirtyWidth, double dirtyHeight); | 78 [RaisesException] void putImageData(ImageData imagedata, double dx, double d
y, double dirtyX, double dirtyY, double dirtyWidth, double dirtyHeight); |
79 | 79 |
80 [Exposed=Window] attribute DOMString filter; | 80 attribute DOMString filter; |
81 }; | 81 }; |
82 | 82 |
83 OffscreenCanvasRenderingContext2D implements CanvasPathMethods; | 83 OffscreenCanvasRenderingContext2D implements CanvasPathMethods; |
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