84a8065275
Rename SkCodecTools.h to SkBitmapRegionDecoderPriv.h Move BRD code to its own directory in tools. This allows us to not need to expose the entire tools directory in Android. BUG=skia: Review URL: https://codereview.chromium.org/1417393004
42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
/*
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* Copyright 2015 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SkBitmap.h"
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#include "SkBitmapRegionDecoder.h"
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#include "SkCodec.h"
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/*
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* This class implements SkBitmapRegionDecoder using an SkCodec and
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* an SkCanvas. It uses the scanline decoder to subset the height. It then
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* will subset the width and scale by drawing to an SkCanvas.
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*/
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// FIXME (msarett): This implementation does not support WEBP, because WEBP
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// does not have a scanline decoder.
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class SkBitmapRegionCanvas : public SkBitmapRegionDecoder {
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public:
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/*
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* Takes ownership of pointer to decoder
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*/
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SkBitmapRegionCanvas(SkCodec* decoder);
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bool decodeRegion(SkBitmap* bitmap, SkBitmap::Allocator* allocator,
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const SkIRect& desiredSubset, int sampleSize,
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SkColorType colorType, bool requireUnpremul) override;
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bool conversionSupported(SkColorType colorType) override;
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SkEncodedFormat getEncodedFormat() override { return fDecoder->getEncodedFormat(); }
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private:
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SkAutoTDelete<SkCodec> fDecoder;
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typedef SkBitmapRegionDecoder INHERITED;
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};
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