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67 lines
1.4 KiB
C
67 lines
1.4 KiB
C
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/*
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* Copyright 2010 The Android Open Source Project
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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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#ifndef SkJpegUtility_DEFINED
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#define SkJpegUtility_DEFINED
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#include "SkImageDecoder.h"
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#include "SkStream.h"
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extern "C" {
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#include "jpeglib.h"
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#include "jerror.h"
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}
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#include <setjmp.h>
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/* Our error-handling struct.
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*
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*/
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struct skjpeg_error_mgr : jpeg_error_mgr {
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jmp_buf fJmpBuf;
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};
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void skjpeg_error_exit(j_common_ptr cinfo);
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///////////////////////////////////////////////////////////////////////////
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/* Our source struct for directing jpeg to our stream object.
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*/
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struct skjpeg_source_mgr : jpeg_source_mgr {
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skjpeg_source_mgr(SkStream* stream, SkImageDecoder* decoder, bool ownStream);
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~skjpeg_source_mgr();
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SkStream* fStream;
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void* fMemoryBase;
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size_t fMemoryBaseSize;
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bool fUnrefStream;
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SkImageDecoder* fDecoder;
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enum {
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kBufferSize = 1024
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};
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char fBuffer[kBufferSize];
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};
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/////////////////////////////////////////////////////////////////////////////
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/* Our destination struct for directing decompressed pixels to our stream
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* object.
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*/
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struct skjpeg_destination_mgr : jpeg_destination_mgr {
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skjpeg_destination_mgr(SkWStream* stream);
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SkWStream* fStream;
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enum {
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kBufferSize = 1024
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};
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uint8_t fBuffer[kBufferSize];
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};
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#endif
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