blob: 45b1d1b6d13144d6ecad9c0ba9364d5438874029 [file] [log] [blame]
// Copyright 2016 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc.
#include <csetjmp>
#include <memory>
#include "core/fxcodec/codec/codec_module_iface.h"
#include "core/fxcrt/fx_system.h"
#include "core/fxcrt/retain_ptr.h"
#include "third_party/base/span.h"
class CCodec_ScanlineDecoder;
class CFX_DIBAttribute;
class CFX_DIBBase;
class CCodec_JpegModule final : public CodecModuleIface {
std::unique_ptr<CCodec_ScanlineDecoder> CreateDecoder(
pdfium::span<const uint8_t> src_buf,
int width,
int height,
int nComps,
bool ColorTransform);
// CodecModuleIface:
FX_FILESIZE GetAvailInput(Context* pContext) const override;
bool Input(Context* pContext,
pdfium::span<uint8_t> src_buf,
CFX_DIBAttribute* pAttribute) override;
jmp_buf* GetJumpMark(Context* pContext);
bool LoadInfo(pdfium::span<const uint8_t> src_span,
int* width,
int* height,
int* num_components,
int* bits_per_components,
bool* color_transform);
std::unique_ptr<Context> Start();
int ReadHeader(Context* pContext,
int* width,
int* height,
int* nComps,
CFX_DIBAttribute* pAttribute);
#endif // PDF_ENABLE_XFA
bool StartScanline(Context* pContext, int down_scale);
bool ReadScanline(Context* pContext, uint8_t* dest_buf);
static bool JpegEncode(const RetainPtr<CFX_DIBBase>& pSource,
uint8_t** dest_buf,
size_t* dest_size);