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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkBitmapController_DEFINED
#define SkBitmapController_DEFINED
#include "SkBitmap.h"
#include "SkBitmapCache.h"
#include "SkFilterQuality.h"
#include "SkMatrix.h"
#include "SkMipMap.h"
class SkBitmapProvider;
/**
* Handles request to scale, filter, and lock a bitmap to be rasterized.
*/
class SkBitmapController : ::SkNoncopyable {
public:
class State : ::SkNoncopyable {
public:
State(const SkBitmapProvider&, const SkMatrix& inv, SkFilterQuality);
const SkPixmap& pixmap() const { return fPixmap; }
const SkMatrix& invMatrix() const { return fInvMatrix; }
SkFilterQuality quality() const { return fQuality; }
private:
bool processHighRequest(const SkBitmapProvider&);
bool processMediumRequest(const SkBitmapProvider&);
SkPixmap fPixmap;
SkMatrix fInvMatrix;
SkFilterQuality fQuality;
// Pixmap storage.
SkBitmap fResultBitmap;
sk_sp<const SkMipMap> fCurrMip;
};
static State* RequestBitmap(const SkBitmapProvider&, const SkMatrix& inverse, SkFilterQuality,
SkArenaAlloc*);
private:
SkBitmapController() = delete;
};
#endif
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