skia2/experimental/SkV8Example/BaseContext.h
2014-03-04 20:44:32 +00:00

85 lines
2.9 KiB
C++

/*
* Copyright 2014 Google Inc.
*
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
*/
#ifndef SkV8Example_BaseContext_DEFINED
#define SkV8Example_BaseContext_DEFINED
#include <v8.h>
#include "SkPaint.h"
using namespace v8;
class SkCanvas;
class Global;
// BaseContext contains common functionality for both JsContext
// and DisplayList.
class BaseContext {
public:
BaseContext(Global* global)
: fGlobal(global)
{
fFillStyle.setColor(SK_ColorBLACK);
fFillStyle.setAntiAlias(true);
fFillStyle.setStyle(SkPaint::kFill_Style);
fStrokeStyle.setColor(SK_ColorBLACK);
fStrokeStyle.setAntiAlias(true);
fStrokeStyle.setStyle(SkPaint::kStroke_Style);
}
virtual ~BaseContext() {}
// Retrieve the SkCanvas to draw on. May return NULL.
virtual SkCanvas* getCanvas() = 0;
// Add the Javascript attributes and methods that BaseContext implements to the ObjectTemplate.
void addAttributesAndMethods(Handle<ObjectTemplate> tmpl);
protected:
// Get the pointer out of obj.
static BaseContext* Unwrap(Handle<Object> obj);
Global* fGlobal;
SkPaint fFillStyle;
SkPaint fStrokeStyle;
private:
static void GetStyle(Local<String> name,
const PropertyCallbackInfo<Value>& info,
const SkPaint& style);
static void SetStyle(Local<String> name, Local<Value> value,
const PropertyCallbackInfo<void>& info,
SkPaint& style);
// JS Attributes
static void GetFillStyle(Local<String> name,
const PropertyCallbackInfo<Value>& info);
static void SetFillStyle(Local<String> name, Local<Value> value,
const PropertyCallbackInfo<void>& info);
static void GetStrokeStyle(Local<String> name,
const PropertyCallbackInfo<Value>& info);
static void SetStrokeStyle(Local<String> name, Local<Value> value,
const PropertyCallbackInfo<void>& info);
static void GetWidth(Local<String> name,
const PropertyCallbackInfo<Value>& info);
static void GetHeight(Local<String> name,
const PropertyCallbackInfo<Value>& info);
// JS Methods
static void FillRect(const v8::FunctionCallbackInfo<Value>& args);
static void Stroke(const v8::FunctionCallbackInfo<Value>& args);
static void Fill(const v8::FunctionCallbackInfo<Value>& args);
static void Rotate(const v8::FunctionCallbackInfo<Value>& args);
static void Save(const v8::FunctionCallbackInfo<Value>& args);
static void Restore(const v8::FunctionCallbackInfo<Value>& args);
static void Translate(const v8::FunctionCallbackInfo<Value>& args);
static void ResetTransform(const v8::FunctionCallbackInfo<Value>& args);
};
#endif