| OLD | NEW |
| 1 /* | 1 /* |
| 2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 Google Inc. |
| 3 * | 3 * |
| 4 * | 4 * |
| 5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
| 6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
| 7 * | 7 * |
| 8 */ | 8 */ |
| 9 | 9 |
| 10 #ifndef SkV8Example_JsContext_DEFINED | 10 #ifndef SkV8Example_JsContext_DEFINED |
| (...skipping 14 matching lines...) Expand all Loading... |
| 25 // function onDraw(context) { | 25 // function onDraw(context) { |
| 26 // context.fillStyle="#FF0000"; | 26 // context.fillStyle="#FF0000"; |
| 27 // context.fillRect(x, y, w, h); | 27 // context.fillRect(x, y, w, h); |
| 28 // } | 28 // } |
| 29 class JsContext { | 29 class JsContext { |
| 30 public: | 30 public: |
| 31 JsContext(Global* global) | 31 JsContext(Global* global) |
| 32 : fGlobal(global) | 32 : fGlobal(global) |
| 33 , fCanvas(NULL) | 33 , fCanvas(NULL) |
| 34 { | 34 { |
| 35 fFillStyle.setColor(SK_ColorRED); | 35 fFillStyle.setColor(SK_ColorBLACK); |
| 36 fFillStyle.setAntiAlias(true); |
| 37 fFillStyle.setStyle(SkPaint::kFill_Style); |
| 38 fStrokeStyle.setColor(SK_ColorBLACK); |
| 39 fStrokeStyle.setAntiAlias(true); |
| 40 fStrokeStyle.setStyle(SkPaint::kStroke_Style); |
| 36 } | 41 } |
| 37 ~JsContext(); | 42 ~JsContext(); |
| 38 | 43 |
| 39 // Parse the script. | 44 // Parse the script. |
| 40 bool initialize(); | 45 bool initialize(); |
| 41 | 46 |
| 42 // Call this with the SkCanvas you want onDraw to draw on. | 47 // Call this with the SkCanvas you want onDraw to draw on. |
| 43 void onDraw(SkCanvas* canvas); | 48 void onDraw(SkCanvas* canvas); |
| 44 | 49 |
| 45 private: | 50 private: |
| 46 // Implementation of the context.fillStyle field. | 51 static void GetStyle(Local<String> name, |
| 52 const PropertyCallbackInfo<Value>& info, |
| 53 const SkPaint& style); |
| 54 static void SetStyle(Local<String> name, Local<Value> value, |
| 55 const PropertyCallbackInfo<void>& info, |
| 56 SkPaint& style); |
| 57 // JS Attributes |
| 47 static void GetFillStyle(Local<String> name, | 58 static void GetFillStyle(Local<String> name, |
| 48 const PropertyCallbackInfo<Value>& info); | 59 const PropertyCallbackInfo<Value>& info); |
| 49 static void SetFillStyle(Local<String> name, Local<Value> value, | 60 static void SetFillStyle(Local<String> name, Local<Value> value, |
| 50 const PropertyCallbackInfo<void>& info); | 61 const PropertyCallbackInfo<void>& info); |
| 62 static void GetStrokeStyle(Local<String> name, |
| 63 const PropertyCallbackInfo<Value>& info); |
| 64 static void SetStrokeStyle(Local<String> name, Local<Value> value, |
| 65 const PropertyCallbackInfo<void>& info); |
| 51 static void GetWidth(Local<String> name, | 66 static void GetWidth(Local<String> name, |
| 52 const PropertyCallbackInfo<Value>& info); | 67 const PropertyCallbackInfo<Value>& info); |
| 53 static void GetHeight(Local<String> name, | 68 static void GetHeight(Local<String> name, |
| 54 const PropertyCallbackInfo<Value>& info); | 69 const PropertyCallbackInfo<Value>& info); |
| 55 | 70 |
| 56 // Implementation of the context.fillRect() JS function. | 71 // JS Methods |
| 57 static void FillRect(const v8::FunctionCallbackInfo<Value>& args); | 72 static void FillRect(const v8::FunctionCallbackInfo<Value>& args); |
| 58 | |
| 59 // Implementation of the context.stroke(Path path) JS function. | |
| 60 static void Stroke(const v8::FunctionCallbackInfo<Value>& args); | 73 static void Stroke(const v8::FunctionCallbackInfo<Value>& args); |
| 61 | |
| 62 // Implementation of the context.fill(Path path) JS function. | |
| 63 static void Fill(const v8::FunctionCallbackInfo<Value>& args); | 74 static void Fill(const v8::FunctionCallbackInfo<Value>& args); |
| 64 | 75 static void Rotate(const v8::FunctionCallbackInfo<Value>& args); |
| 65 // Implementation of the context.translate(dx, dy) JS function. | 76 static void Save(const v8::FunctionCallbackInfo<Value>& args); |
| 77 static void Restore(const v8::FunctionCallbackInfo<Value>& args); |
| 66 static void Translate(const v8::FunctionCallbackInfo<Value>& args); | 78 static void Translate(const v8::FunctionCallbackInfo<Value>& args); |
| 67 | |
| 68 // Implementation of the context.resetTransform() JS function. | |
| 69 static void ResetTransform(const v8::FunctionCallbackInfo<Value>& args); | 79 static void ResetTransform(const v8::FunctionCallbackInfo<Value>& args); |
| 70 | 80 |
| 71 // Get the pointer out of obj. | 81 // Get the pointer out of obj. |
| 72 static JsContext* Unwrap(Handle<Object> obj); | 82 static JsContext* Unwrap(Handle<Object> obj); |
| 73 | 83 |
| 74 // Create a template for JS object associated with JsContext, called lazily | 84 // Create a template for JS object associated with JsContext, called lazily |
| 75 // by Wrap() and the results are stored in gContextTemplate; | 85 // by Wrap() and the results are stored in gContextTemplate; |
| 76 Handle<ObjectTemplate> makeContextTemplate(); | 86 Handle<ObjectTemplate> makeContextTemplate(); |
| 77 | 87 |
| 78 // Wrap the 'this' pointer into an Object. Can be retrieved via Unwrap. | 88 // Wrap the 'this' pointer into an Object. Can be retrieved via Unwrap. |
| 79 Handle<Object> wrap(); | 89 Handle<Object> wrap(); |
| 80 | 90 |
| 81 Global* fGlobal; | 91 Global* fGlobal; |
| 82 | 92 |
| 83 // Only valid when inside OnDraw(). | 93 // Only valid when inside OnDraw(). |
| 84 SkCanvas* fCanvas; | 94 SkCanvas* fCanvas; |
| 85 | 95 |
| 86 SkPaint fFillStyle; | 96 SkPaint fFillStyle; |
| 97 SkPaint fStrokeStyle; |
| 87 | 98 |
| 88 // A handle to the onDraw function defined in the script. | 99 // A handle to the onDraw function defined in the script. |
| 89 Persistent<Function> fOnDraw; | 100 Persistent<Function> fOnDraw; |
| 90 | 101 |
| 91 // The template for what a canvas context object looks like. The canvas | 102 // The template for what a canvas context object looks like. The canvas |
| 92 // context object is what's passed into the JS onDraw() function. | 103 // context object is what's passed into the JS onDraw() function. |
| 93 static Persistent<ObjectTemplate> gContextTemplate; | 104 static Persistent<ObjectTemplate> gContextTemplate; |
| 94 }; | 105 }; |
| 95 | 106 |
| 96 #endif | 107 #endif |
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