mirror of https://github.com/axmolengine/axmol.git
54 lines
1.7 KiB
C++
54 lines
1.7 KiB
C++
/*
|
|
* Copyright (C) 2006 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#ifndef SkTransparentShader_DEFINED
|
|
#define SkTransparentShader_DEFINED
|
|
|
|
#include "SkShader.h"
|
|
|
|
class SkTransparentShader : public SkShader {
|
|
public:
|
|
SkTransparentShader() {}
|
|
virtual uint32_t getFlags();
|
|
virtual bool setContext( const SkBitmap& device,
|
|
const SkPaint& paint,
|
|
const SkMatrix& matrix);
|
|
virtual void shadeSpan(int x, int y, SkPMColor[], int count);
|
|
virtual void shadeSpan16(int x, int y, uint16_t span[], int count);
|
|
|
|
// overrides for SkFlattenable
|
|
virtual Factory getFactory() { return Create; }
|
|
virtual void flatten(SkFlattenableWriteBuffer& buffer) {
|
|
this->INHERITED::flatten(buffer);
|
|
}
|
|
|
|
private:
|
|
// these are a cache from the call to setContext()
|
|
const SkBitmap* fDevice;
|
|
uint8_t fAlpha;
|
|
|
|
SkTransparentShader(SkFlattenableReadBuffer& buffer) : INHERITED(buffer) {}
|
|
|
|
static SkFlattenable* Create(SkFlattenableReadBuffer& buffer) {
|
|
return SkNEW_ARGS(SkTransparentShader, (buffer));
|
|
}
|
|
|
|
typedef SkShader INHERITED;
|
|
};
|
|
|
|
#endif
|
|
|