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| 1 /* |
| 2 * Copyright 2014 Google Inc. |
| 3 * |
| 4 * |
| 5 * Use of this source code is governed by a BSD-style license that can be |
| 6 * found in the LICENSE file. |
| 7 * |
| 8 */ |
| 9 |
| 10 #ifndef SkV8Example_DrawingMethods_DEFINED |
| 11 #define SkV8Example_DrawingMethods_DEFINED |
| 12 |
| 13 #include <v8.h> |
| 14 |
| 15 class SkCanvas; |
| 16 class Global; |
| 17 |
| 18 // DrawingMethods contains common functionality for both Context, Image2Builder, |
| 19 // and DisplayListBuiler. |
| 20 class DrawingMethods { |
| 21 public: |
| 22 DrawingMethods(Global* global) |
| 23 : fGlobal(global) |
| 24 {} |
| 25 virtual ~DrawingMethods() {} |
| 26 |
| 27 // Retrieve the SkCanvas to draw on. May return NULL. |
| 28 virtual SkCanvas* getCanvas() = 0; |
| 29 |
| 30 // Add the Javascript attributes and methods that DrawingMethods |
| 31 // implements to the ObjectTemplate. |
| 32 void addAttributesAndMethods(v8::Handle<v8::ObjectTemplate> tmpl); |
| 33 |
| 34 protected: |
| 35 // Get the pointer out of obj. |
| 36 static DrawingMethods* Unwrap(v8::Handle<v8::Object> obj); |
| 37 |
| 38 Global* fGlobal; |
| 39 |
| 40 private: |
| 41 // JS Attributes |
| 42 static void GetWidth(v8::Local<v8::String> name, |
| 43 const v8::PropertyCallbackInfo<v8::Value>& info); |
| 44 static void GetHeight(v8::Local<v8::String> name, |
| 45 const v8::PropertyCallbackInfo<v8::Value>& info); |
| 46 |
| 47 // JS Methods |
| 48 static void Save(const v8::FunctionCallbackInfo<v8::Value>& args); |
| 49 static void Restore(const v8::FunctionCallbackInfo<v8::Value>& args); |
| 50 static void Rotate(const v8::FunctionCallbackInfo<v8::Value>& args); |
| 51 static void Translate(const v8::FunctionCallbackInfo<v8::Value>& args); |
| 52 static void ResetTransform(const v8::FunctionCallbackInfo<v8::Value>& args); |
| 53 |
| 54 static void DrawPath(const v8::FunctionCallbackInfo<v8::Value>& args); |
| 55 }; |
| 56 |
| 57 #endif |
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