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| 1 /* | 1 /* |
| 2 * Copyright (C) 2007-2009 Google Inc. All rights reserved. | 2 * Copyright (C) 2007-2009 Google Inc. All rights reserved. |
| 3 * Copyright (C) 2010 Torch Mobile (Beijing) Co. Ltd. All rights reserved. | 3 * Copyright (C) 2010 Torch Mobile (Beijing) Co. Ltd. All rights reserved. |
| 4 * | 4 * |
| 5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
| 6 * modification, are permitted provided that the following conditions are | 6 * modification, are permitted provided that the following conditions are |
| 7 * met: | 7 * met: |
| 8 * | 8 * |
| 9 * * Redistributions of source code must retain the above copyright | 9 * * Redistributions of source code must retain the above copyright |
| 10 * notice, this list of conditions and the following disclaimer. | 10 * notice, this list of conditions and the following disclaimer. |
| (...skipping 29 matching lines...) Expand all Loading... |
| 40 #include "core/html/HTMLCanvasElement.h" | 40 #include "core/html/HTMLCanvasElement.h" |
| 41 #include "core/html/canvas/Canvas2DContextAttributes.h" | 41 #include "core/html/canvas/Canvas2DContextAttributes.h" |
| 42 #include "core/html/canvas/CanvasRenderingContext.h" | 42 #include "core/html/canvas/CanvasRenderingContext.h" |
| 43 #include "core/html/canvas/WebGLContextAttributes.h" | 43 #include "core/html/canvas/WebGLContextAttributes.h" |
| 44 #include "core/inspector/InspectorCanvasInstrumentation.h" | 44 #include "core/inspector/InspectorCanvasInstrumentation.h" |
| 45 #include "wtf/MathExtras.h" | 45 #include "wtf/MathExtras.h" |
| 46 #include "wtf/text/WTFString.h" | 46 #include "wtf/text/WTFString.h" |
| 47 | 47 |
| 48 namespace WebCore { | 48 namespace WebCore { |
| 49 | 49 |
| 50 void V8HTMLCanvasElement::getContextMethodCustom(const v8::FunctionCallbackInfo<
v8::Value>& args) | 50 void V8HTMLCanvasElement::getContextMethodCustom(const v8::FunctionCallbackInfo<
v8::Value>& info) |
| 51 { | 51 { |
| 52 v8::Handle<v8::Object> holder = args.Holder(); | 52 v8::Handle<v8::Object> holder = info.Holder(); |
| 53 HTMLCanvasElement* imp = V8HTMLCanvasElement::toNative(holder); | 53 HTMLCanvasElement* imp = V8HTMLCanvasElement::toNative(holder); |
| 54 V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, contextIdResource,
args[0]); | 54 V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, contextIdResource,
info[0]); |
| 55 String contextId = contextIdResource; | 55 String contextId = contextIdResource; |
| 56 RefPtr<CanvasContextAttributes> attributes; | 56 RefPtr<CanvasContextAttributes> attributes; |
| 57 if (contextId == "webgl" || contextId == "experimental-webgl" || contextId =
= "webkit-3d") { | 57 if (contextId == "webgl" || contextId == "experimental-webgl" || contextId =
= "webkit-3d") { |
| 58 RefPtr<WebGLContextAttributes> webGLAttributes = WebGLContextAttributes:
:create(); | 58 RefPtr<WebGLContextAttributes> webGLAttributes = WebGLContextAttributes:
:create(); |
| 59 if (args.Length() > 1 && args[1]->IsObject()) { | 59 if (info.Length() > 1 && info[1]->IsObject()) { |
| 60 v8::Handle<v8::Object> jsAttributes = args[1]->ToObject(); | 60 v8::Handle<v8::Object> jsAttributes = info[1]->ToObject(); |
| 61 v8::Handle<v8::String> alpha = v8::String::NewSymbol("alpha"); | 61 v8::Handle<v8::String> alpha = v8::String::NewSymbol("alpha"); |
| 62 if (jsAttributes->Has(alpha)) | 62 if (jsAttributes->Has(alpha)) |
| 63 webGLAttributes->setAlpha(jsAttributes->Get(alpha)->BooleanValue
()); | 63 webGLAttributes->setAlpha(jsAttributes->Get(alpha)->BooleanValue
()); |
| 64 v8::Handle<v8::String> depth = v8::String::NewSymbol("depth"); | 64 v8::Handle<v8::String> depth = v8::String::NewSymbol("depth"); |
| 65 if (jsAttributes->Has(depth)) | 65 if (jsAttributes->Has(depth)) |
| 66 webGLAttributes->setDepth(jsAttributes->Get(depth)->BooleanValue
()); | 66 webGLAttributes->setDepth(jsAttributes->Get(depth)->BooleanValue
()); |
| 67 v8::Handle<v8::String> stencil = v8::String::NewSymbol("stencil"); | 67 v8::Handle<v8::String> stencil = v8::String::NewSymbol("stencil"); |
| 68 if (jsAttributes->Has(stencil)) | 68 if (jsAttributes->Has(stencil)) |
| 69 webGLAttributes->setStencil(jsAttributes->Get(stencil)->BooleanV
alue()); | 69 webGLAttributes->setStencil(jsAttributes->Get(stencil)->BooleanV
alue()); |
| 70 v8::Handle<v8::String> antialias = v8::String::NewSymbol("antialias"
); | 70 v8::Handle<v8::String> antialias = v8::String::NewSymbol("antialias"
); |
| 71 if (jsAttributes->Has(antialias)) | 71 if (jsAttributes->Has(antialias)) |
| 72 webGLAttributes->setAntialias(jsAttributes->Get(antialias)->Bool
eanValue()); | 72 webGLAttributes->setAntialias(jsAttributes->Get(antialias)->Bool
eanValue()); |
| 73 v8::Handle<v8::String> premultipliedAlpha = v8::String::NewSymbol("p
remultipliedAlpha"); | 73 v8::Handle<v8::String> premultipliedAlpha = v8::String::NewSymbol("p
remultipliedAlpha"); |
| 74 if (jsAttributes->Has(premultipliedAlpha)) | 74 if (jsAttributes->Has(premultipliedAlpha)) |
| 75 webGLAttributes->setPremultipliedAlpha(jsAttributes->Get(premult
ipliedAlpha)->BooleanValue()); | 75 webGLAttributes->setPremultipliedAlpha(jsAttributes->Get(premult
ipliedAlpha)->BooleanValue()); |
| 76 v8::Handle<v8::String> preserveDrawingBuffer = v8::String::NewSymbol
("preserveDrawingBuffer"); | 76 v8::Handle<v8::String> preserveDrawingBuffer = v8::String::NewSymbol
("preserveDrawingBuffer"); |
| 77 if (jsAttributes->Has(preserveDrawingBuffer)) | 77 if (jsAttributes->Has(preserveDrawingBuffer)) |
| 78 webGLAttributes->setPreserveDrawingBuffer(jsAttributes->Get(pres
erveDrawingBuffer)->BooleanValue()); | 78 webGLAttributes->setPreserveDrawingBuffer(jsAttributes->Get(pres
erveDrawingBuffer)->BooleanValue()); |
| 79 } | 79 } |
| 80 attributes = webGLAttributes; | 80 attributes = webGLAttributes; |
| 81 } else { | 81 } else { |
| 82 RefPtr<Canvas2DContextAttributes> canvas2DAttributes = Canvas2DContextAt
tributes::create(); | 82 RefPtr<Canvas2DContextAttributes> canvas2DAttributes = Canvas2DContextAt
tributes::create(); |
| 83 if (args.Length() > 1 && args[1]->IsObject()) { | 83 if (info.Length() > 1 && info[1]->IsObject()) { |
| 84 v8::Handle<v8::Object> jsAttributes = args[1]->ToObject(); | 84 v8::Handle<v8::Object> jsAttributes = info[1]->ToObject(); |
| 85 v8::Handle<v8::String> alpha = v8::String::NewSymbol("alpha"); | 85 v8::Handle<v8::String> alpha = v8::String::NewSymbol("alpha"); |
| 86 if (jsAttributes->Has(alpha)) | 86 if (jsAttributes->Has(alpha)) |
| 87 canvas2DAttributes->setAlpha(jsAttributes->Get(alpha)->BooleanVa
lue()); | 87 canvas2DAttributes->setAlpha(jsAttributes->Get(alpha)->BooleanVa
lue()); |
| 88 } | 88 } |
| 89 attributes = canvas2DAttributes; | 89 attributes = canvas2DAttributes; |
| 90 } | 90 } |
| 91 CanvasRenderingContext* result = imp->getContext(contextId, attributes.get()
); | 91 CanvasRenderingContext* result = imp->getContext(contextId, attributes.get()
); |
| 92 if (!result) { | 92 if (!result) { |
| 93 v8SetReturnValueNull(args); | 93 v8SetReturnValueNull(info); |
| 94 return; | 94 return; |
| 95 } | 95 } |
| 96 if (result->is2d()) { | 96 if (result->is2d()) { |
| 97 v8::Handle<v8::Value> v8Result = toV8(static_cast<CanvasRenderingContext
2D*>(result), args.Holder(), args.GetIsolate()); | 97 v8::Handle<v8::Value> v8Result = toV8(static_cast<CanvasRenderingContext
2D*>(result), info.Holder(), info.GetIsolate()); |
| 98 if (InspectorInstrumentation::canvasAgentEnabled(&imp->document())) { | 98 if (InspectorInstrumentation::canvasAgentEnabled(&imp->document())) { |
| 99 ScriptState* scriptState = ScriptState::forContext(v8::Context::GetC
urrent()); | 99 ScriptState* scriptState = ScriptState::forContext(v8::Context::GetC
urrent()); |
| 100 ScriptObject context(scriptState, v8::Handle<v8::Object>::Cast(v8Res
ult)); | 100 ScriptObject context(scriptState, v8::Handle<v8::Object>::Cast(v8Res
ult)); |
| 101 ScriptObject wrapped = InspectorInstrumentation::wrapCanvas2DRenderi
ngContextForInstrumentation(&imp->document(), context); | 101 ScriptObject wrapped = InspectorInstrumentation::wrapCanvas2DRenderi
ngContextForInstrumentation(&imp->document(), context); |
| 102 if (!wrapped.hasNoValue()) { | 102 if (!wrapped.hasNoValue()) { |
| 103 v8SetReturnValue(args, wrapped.v8Value()); | 103 v8SetReturnValue(info, wrapped.v8Value()); |
| 104 return; | 104 return; |
| 105 } | 105 } |
| 106 } | 106 } |
| 107 v8SetReturnValue(args, v8Result); | 107 v8SetReturnValue(info, v8Result); |
| 108 return; | 108 return; |
| 109 } | 109 } |
| 110 if (result->is3d()) { | 110 if (result->is3d()) { |
| 111 v8::Handle<v8::Value> v8Result = toV8(static_cast<WebGLRenderingContext*
>(result), args.Holder(), args.GetIsolate()); | 111 v8::Handle<v8::Value> v8Result = toV8(static_cast<WebGLRenderingContext*
>(result), info.Holder(), info.GetIsolate()); |
| 112 if (InspectorInstrumentation::canvasAgentEnabled(&imp->document())) { | 112 if (InspectorInstrumentation::canvasAgentEnabled(&imp->document())) { |
| 113 ScriptState* scriptState = ScriptState::forContext(v8::Context::GetC
urrent()); | 113 ScriptState* scriptState = ScriptState::forContext(v8::Context::GetC
urrent()); |
| 114 ScriptObject glContext(scriptState, v8::Handle<v8::Object>::Cast(v8R
esult)); | 114 ScriptObject glContext(scriptState, v8::Handle<v8::Object>::Cast(v8R
esult)); |
| 115 ScriptObject wrapped = InspectorInstrumentation::wrapWebGLRenderingC
ontextForInstrumentation(&imp->document(), glContext); | 115 ScriptObject wrapped = InspectorInstrumentation::wrapWebGLRenderingC
ontextForInstrumentation(&imp->document(), glContext); |
| 116 if (!wrapped.hasNoValue()) { | 116 if (!wrapped.hasNoValue()) { |
| 117 v8SetReturnValue(args, wrapped.v8Value()); | 117 v8SetReturnValue(info, wrapped.v8Value()); |
| 118 return; | 118 return; |
| 119 } | 119 } |
| 120 } | 120 } |
| 121 v8SetReturnValue(args, v8Result); | 121 v8SetReturnValue(info, v8Result); |
| 122 return; | 122 return; |
| 123 } | 123 } |
| 124 ASSERT_NOT_REACHED(); | 124 ASSERT_NOT_REACHED(); |
| 125 v8SetReturnValueNull(args); | 125 v8SetReturnValueNull(info); |
| 126 } | 126 } |
| 127 | 127 |
| 128 void V8HTMLCanvasElement::toDataURLMethodCustom(const v8::FunctionCallbackInfo<v
8::Value>& args) | 128 void V8HTMLCanvasElement::toDataURLMethodCustom(const v8::FunctionCallbackInfo<v
8::Value>& info) |
| 129 { | 129 { |
| 130 v8::Handle<v8::Object> holder = args.Holder(); | 130 v8::Handle<v8::Object> holder = info.Holder(); |
| 131 HTMLCanvasElement* canvas = V8HTMLCanvasElement::toNative(holder); | 131 HTMLCanvasElement* canvas = V8HTMLCanvasElement::toNative(holder); |
| 132 ExceptionState es(args.GetIsolate()); | 132 ExceptionState es(info.GetIsolate()); |
| 133 | 133 |
| 134 V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, type, args[0]); | 134 V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, type, info[0]); |
| 135 double quality; | 135 double quality; |
| 136 double* qualityPtr = 0; | 136 double* qualityPtr = 0; |
| 137 if (args.Length() > 1 && args[1]->IsNumber()) { | 137 if (info.Length() > 1 && info[1]->IsNumber()) { |
| 138 quality = args[1]->NumberValue(); | 138 quality = info[1]->NumberValue(); |
| 139 qualityPtr = &quality; | 139 qualityPtr = &quality; |
| 140 } | 140 } |
| 141 | 141 |
| 142 String result = canvas->toDataURL(type, qualityPtr, es); | 142 String result = canvas->toDataURL(type, qualityPtr, es); |
| 143 es.throwIfNeeded(); | 143 es.throwIfNeeded(); |
| 144 v8SetReturnValueStringOrUndefined(args, result, args.GetIsolate()); | 144 v8SetReturnValueStringOrUndefined(info, result, info.GetIsolate()); |
| 145 } | 145 } |
| 146 | 146 |
| 147 } // namespace WebCore | 147 } // namespace WebCore |
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