blob: f4904d4aa461d330bc658e02c63025ea7a968c75 [file] [log] [blame]
* 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 SkBitmapProvider_DEFINED
#define SkBitmapProvider_DEFINED
#include "SkImage.h"
#include "SkBitmapCache.h"
class SkBitmapProvider {
explicit SkBitmapProvider(const SkImage* img, SkColorSpace* dstColorSpace)
: fImage(img)
, fDstColorSpace(dstColorSpace) {
SkBitmapProvider(const SkBitmapProvider& other)
: fImage(other.fImage)
, fDstColorSpace(other.fDstColorSpace)
int width() const;
int height() const;
uint32_t getID() const;
SkColorSpace* dstColorSpace() const { return fDstColorSpace; }
SkImageInfo info() const;
bool isVolatile() const;
SkBitmapCacheDesc makeCacheDesc(int w, int h) const;
SkBitmapCacheDesc makeCacheDesc() const;
void notifyAddedToCache() const;
// Only call this if you're sure you need the bits, since it maybe expensive
// ... cause a decode and cache, or gpu-readback
bool asBitmap(SkBitmap*) const;
// Stack-allocated only.
void* operator new(size_t) = delete;
void* operator new(size_t, void*) = delete;
// SkBitmapProvider is always short-lived/stack allocated, and the source image and destination
// color space are guaranteed to outlive its scope => we can store raw ptrs to avoid ref churn.
const SkImage* fImage;
SkColorSpace* fDstColorSpace;