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1 /* | |
2 * Copyright (C) 2007-2009 Google Inc. All rights reserved. | |
3 * Copyright (C) 2010 Torch Mobile (Beijing) Co. Ltd. All rights reserved. | |
4 * | |
5 * Redistribution and use in source and binary forms, with or without | |
6 * modification, are permitted provided that the following conditions are | |
7 * met: | |
8 * | |
9 * * Redistributions of source code must retain the above copyright | |
10 * notice, this list of conditions and the following disclaimer. | |
11 * * Redistributions in binary form must reproduce the above | |
12 * copyright notice, this list of conditions and the following disclaimer | |
13 * in the documentation and/or other materials provided with the | |
14 * distribution. | |
15 * * Neither the name of Google Inc. nor the names of its | |
16 * contributors may be used to endorse or promote products derived from | |
17 * this software without specific prior written permission. | |
18 * | |
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
30 */ | |
31 | |
32 #include "config.h" | |
33 #include "bindings/core/v8/V8HTMLCanvasElement.h" | |
34 | |
35 #include "bindings/core/v8/ExceptionState.h" | |
36 #include "bindings/core/v8/V8Binding.h" | |
37 #include "bindings/core/v8/V8CanvasRenderingContext2D.h" | |
38 #include "bindings/core/v8/V8Node.h" | |
39 #include "bindings/core/v8/V8WebGLRenderingContext.h" | |
40 #include "core/html/HTMLCanvasElement.h" | |
41 #include "core/html/canvas/Canvas2DContextAttributes.h" | |
42 #include "core/html/canvas/CanvasRenderingContext.h" | |
43 #include "core/html/canvas/WebGLContextAttributes.h" | |
44 #include "core/inspector/InspectorCanvasInstrumentation.h" | |
45 #include "wtf/MathExtras.h" | |
46 #include "wtf/text/WTFString.h" | |
47 | |
48 namespace blink { | |
49 | |
50 void V8HTMLCanvasElement::toDataURLMethodCustom(const v8::FunctionCallbackInfo<v
8::Value>& info) | |
51 { | |
52 v8::Handle<v8::Object> holder = info.Holder(); | |
53 HTMLCanvasElement* canvas = V8HTMLCanvasElement::toImpl(holder); | |
54 ExceptionState exceptionState(ExceptionState::ExecutionContext, "toDataURL",
"HTMLCanvasElement", info.Holder(), info.GetIsolate()); | |
55 | |
56 TOSTRING_VOID(V8StringResource<>, type, info[0]); | |
57 double quality; | |
58 double* qualityPtr = 0; | |
59 if (info.Length() > 1 && info[1]->IsNumber()) { | |
60 quality = info[1]->NumberValue(); | |
61 qualityPtr = &quality; | |
62 } | |
63 | |
64 String result = canvas->toDataURL(type, qualityPtr, exceptionState); | |
65 exceptionState.throwIfNeeded(); | |
66 v8SetReturnValueStringOrUndefined(info, result, info.GetIsolate()); | |
67 } | |
68 | |
69 } // namespace blink | |
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