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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 // https://html.spec.whatwg.org/multipage/scripting.html#the-offscreen-2d-render
ing-context | 5 // https://html.spec.whatwg.org/multipage/scripting.html#the-offscreen-2d-render
ing-context |
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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55 void restore(); // pop state stack and restore state | 55 void restore(); // pop state stack and restore state |
56 | 56 |
57 // transformations (default transform is the identity matrix) | 57 // transformations (default transform is the identity matrix) |
58 void scale(unrestricted double x, unrestricted double y); | 58 void scale(unrestricted double x, unrestricted double y); |
59 void rotate(unrestricted double angle); | 59 void rotate(unrestricted double angle); |
60 void translate(unrestricted double x, unrestricted double y); | 60 void translate(unrestricted double x, unrestricted double y); |
61 void transform(unrestricted double a, unrestricted double b, unrestricted do
uble c, unrestricted double d, unrestricted double e, unrestricted double f); | 61 void transform(unrestricted double a, unrestricted double b, unrestricted do
uble c, unrestricted double d, unrestricted double e, unrestricted double f); |
62 void setTransform(unrestricted double a, unrestricted double b, unrestricted
double c, unrestricted double d, unrestricted double e, unrestricted double f); | 62 void setTransform(unrestricted double a, unrestricted double b, unrestricted
double c, unrestricted double d, unrestricted double e, unrestricted double f); |
63 void resetTransform(); | 63 void resetTransform(); |
64 | 64 |
| 65 // compositing |
| 66 attribute DOMString globalCompositeOperation; // (default source-over) |
| 67 |
65 // image smoothing | 68 // image smoothing |
66 attribute boolean imageSmoothingEnabled; // (default True) | 69 attribute boolean imageSmoothingEnabled; // (default True) |
67 attribute ImageSmoothingQuality imageSmoothingQuality; // (default "low") | 70 attribute ImageSmoothingQuality imageSmoothingQuality; // (default "low") |
68 | 71 |
69 // shadows | 72 // shadows |
70 attribute unrestricted double shadowOffsetX; | 73 attribute unrestricted double shadowOffsetX; |
71 attribute unrestricted double shadowOffsetY; | 74 attribute unrestricted double shadowOffsetY; |
72 attribute unrestricted double shadowBlur; | 75 attribute unrestricted double shadowBlur; |
73 attribute DOMString shadowColor; | 76 attribute DOMString shadowColor; |
74 | 77 |
75 // pixel manipulation | 78 // pixel manipulation |
76 [RaisesException] ImageData createImageData(ImageData imagedata); | 79 [RaisesException] ImageData createImageData(ImageData imagedata); |
77 [RaisesException] ImageData createImageData(double sw, double sh); | 80 [RaisesException] ImageData createImageData(double sw, double sh); |
78 [RaisesException] ImageData getImageData(double sx, double sy, double sw, do
uble sh); | 81 [RaisesException] ImageData getImageData(double sx, double sy, double sw, do
uble sh); |
79 [RaisesException] void putImageData(ImageData imagedata, double dx, double d
y); | 82 [RaisesException] void putImageData(ImageData imagedata, double dx, double d
y); |
80 [RaisesException] void putImageData(ImageData imagedata, double dx, double d
y, double dirtyX, double dirtyY, double dirtyWidth, double dirtyHeight); | 83 [RaisesException] void putImageData(ImageData imagedata, double dx, double d
y, double dirtyX, double dirtyY, double dirtyWidth, double dirtyHeight); |
81 | 84 |
82 [Exposed=Window] attribute DOMString filter; | 85 [Exposed=Window] attribute DOMString filter; |
83 }; | 86 }; |
84 | 87 |
85 OffscreenCanvasRenderingContext2D implements CanvasPathMethods; | 88 OffscreenCanvasRenderingContext2D implements CanvasPathMethods; |
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