1 /*
2 * Copyright (C) 2009 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include "config.h"
32 #include "V8CanvasRenderingContext2D.h"
33
34 #include "CanvasGradient.h"
35 #include "CanvasRenderingContext2D.h"
36 #include "CanvasPattern.h"
37 #include "CanvasStyle.h"
38 #include "ExceptionCode.h"
39 #include "FloatRect.h"
40
41 #include "V8Binding.h"
42 #include "V8CanvasGradient.h"
43 #include "V8CanvasPattern.h"
44 #include "V8HTMLCanvasElement.h"
45 #include "V8HTMLImageElement.h"
46 #include "V8HTMLVideoElement.h"
47 #include "V8ImageData.h"
48 #include "V8Proxy.h"
49
50 namespace WebCore {
51
toV8Object(CanvasStyle * style)52 static v8::Handle<v8::Value> toV8Object(CanvasStyle* style)
53 {
54 if (style->canvasGradient())
55 return toV8(style->canvasGradient());
56
57 if (style->canvasPattern())
58 return toV8(style->canvasPattern());
59
60 return v8String(style->color());
61 }
62
toCanvasStyle(v8::Handle<v8::Value> value)63 static PassRefPtr<CanvasStyle> toCanvasStyle(v8::Handle<v8::Value> value)
64 {
65 if (value->IsString())
66 return CanvasStyle::createFromString(toWebCoreString(value));
67
68 if (V8CanvasGradient::HasInstance(value))
69 return CanvasStyle::createFromGradient(V8CanvasGradient::toNative(v8::Handle<v8::Object>::Cast(value)));
70
71 if (V8CanvasPattern::HasInstance(value))
72 return CanvasStyle::createFromPattern(V8CanvasPattern::toNative(v8::Handle<v8::Object>::Cast(value)));
73
74 return 0;
75 }
76
strokeStyleAccessorGetter(v8::Local<v8::String> name,const v8::AccessorInfo & info)77 v8::Handle<v8::Value> V8CanvasRenderingContext2D::strokeStyleAccessorGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info)
78 {
79 CanvasRenderingContext2D* impl = V8CanvasRenderingContext2D::toNative(info.Holder());
80 return toV8Object(impl->strokeStyle());
81 }
82
strokeStyleAccessorSetter(v8::Local<v8::String> name,v8::Local<v8::Value> value,const v8::AccessorInfo & info)83 void V8CanvasRenderingContext2D::strokeStyleAccessorSetter(v8::Local<v8::String> name, v8::Local<v8::Value> value, const v8::AccessorInfo& info)
84 {
85 CanvasRenderingContext2D* impl = V8CanvasRenderingContext2D::toNative(info.Holder());
86 impl->setStrokeStyle(toCanvasStyle(value));
87 }
88
fillStyleAccessorGetter(v8::Local<v8::String> name,const v8::AccessorInfo & info)89 v8::Handle<v8::Value> V8CanvasRenderingContext2D::fillStyleAccessorGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info)
90 {
91 CanvasRenderingContext2D* impl = V8CanvasRenderingContext2D::toNative(info.Holder());
92 return toV8Object(impl->fillStyle());
93 }
94
fillStyleAccessorSetter(v8::Local<v8::String> name,v8::Local<v8::Value> value,const v8::AccessorInfo & info)95 void V8CanvasRenderingContext2D::fillStyleAccessorSetter(v8::Local<v8::String> name, v8::Local<v8::Value> value, const v8::AccessorInfo& info)
96 {
97 CanvasRenderingContext2D* impl = V8CanvasRenderingContext2D::toNative(info.Holder());
98 impl->setFillStyle(toCanvasStyle(value));
99 }
100
101 } // namespace WebCore
102