mirror of https://github.com/axmolengine/axmol.git
74 lines
1.9 KiB
C
74 lines
1.9 KiB
C
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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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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