blob: eb3c3e72bf5b4028cd6e08eeb46196138e0dca4d [file] [log] [blame]
/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkJpegPriv_DEFINED
#define SkJpegPriv_DEFINED
#include "include/core/SkStream.h"
#include "include/private/base/SkTArray.h"
#include <setjmp.h>
// stdio is needed for jpeglib
#include <stdio.h>
extern "C" {
#include "jpeglib.h"
#include "jerror.h"
}
/*
* Error handling struct
*/
struct skjpeg_error_mgr : jpeg_error_mgr {
class AutoPushJmpBuf {
public:
AutoPushJmpBuf(skjpeg_error_mgr* mgr) : fMgr(mgr) {
fMgr->fJmpBufStack.push_back(&fJmpBuf);
}
~AutoPushJmpBuf() {
SkASSERT(fMgr->fJmpBufStack.back() == &fJmpBuf);
fMgr->fJmpBufStack.pop_back();
}
operator jmp_buf&() { return fJmpBuf; }
private:
skjpeg_error_mgr* const fMgr;
jmp_buf fJmpBuf;
};
SkSTArray<4, jmp_buf*> fJmpBufStack;
};
#endif