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/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkBitmapFactory_DEFINED
#define SkBitmapFactory_DEFINED
class SkBitmap;
class SkData;
/**
* General purpose factory for decoding bitmaps.
*
* Currently only provides a way to decode a bitmap or its dimensions from an SkData. Future plans
* include options to provide a bitmap which caches the pixel data.
*/
class SkBitmapFactory {
public:
enum Constraints {
/**
* Only decode the bounds of the bitmap. No pixels will be allocated.
*/
kDecodeBoundsOnly_Constraint,
/**
* Decode the bounds and pixels of the bitmap.
*/
kDecodePixels_Constraint,
};
/**
* Decodes an SkData into an SkBitmap.
* @param SkBitmap Already created bitmap to encode into.
* @param SkData Encoded SkBitmap data.
* @param constraint Specifications for how to do the decoding.
* @return True on success. If false, passed in SkBitmap is unmodified.
*/
static bool DecodeBitmap(SkBitmap*, const SkData*,
Constraints constraint = kDecodePixels_Constraint);
};
#endif // SkBitmapFactory_DEFINED
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