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Diffstat (limited to 'core/fxcodec/codec/ccodec_jpegmodule.h')
-rw-r--r--core/fxcodec/codec/ccodec_jpegmodule.h68
1 files changed, 68 insertions, 0 deletions
diff --git a/core/fxcodec/codec/ccodec_jpegmodule.h b/core/fxcodec/codec/ccodec_jpegmodule.h
new file mode 100644
index 0000000000..98554fea1c
--- /dev/null
+++ b/core/fxcodec/codec/ccodec_jpegmodule.h
@@ -0,0 +1,68 @@
+// 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. http://www.foxitsoftware.com
+
+#ifndef CORE_FXCODEC_CODEC_CCODEC_JPEGMODULE_H_
+#define CORE_FXCODEC_CODEC_CCODEC_JPEGMODULE_H_
+
+#include "core/fxcrt/include/fx_system.h"
+
+class CCodec_ScanlineDecoder;
+class CFX_DIBSource;
+struct FXJPEG_Context;
+
+#ifdef PDF_ENABLE_XFA
+class CFX_DIBAttribute;
+#endif // PDF_ENABLE_XFA
+
+class CCodec_JpegModule {
+ public:
+ CCodec_JpegModule() {}
+ CCodec_ScanlineDecoder* CreateDecoder(const uint8_t* src_buf,
+ uint32_t src_size,
+ int width,
+ int height,
+ int nComps,
+ FX_BOOL ColorTransform);
+ FX_BOOL LoadInfo(const uint8_t* src_buf,
+ uint32_t src_size,
+ int& width,
+ int& height,
+ int& num_components,
+ int& bits_per_components,
+ FX_BOOL& color_transform,
+ uint8_t** icc_buf_ptr = nullptr,
+ uint32_t* icc_length = nullptr);
+ FX_BOOL Encode(const CFX_DIBSource* pSource,
+ uint8_t*& dest_buf,
+ FX_STRSIZE& dest_size,
+ int quality = 75,
+ const uint8_t* icc_buf = nullptr,
+ uint32_t icc_length = 0);
+ FXJPEG_Context* Start();
+ void Finish(FXJPEG_Context* pContext);
+ void Input(FXJPEG_Context* pContext,
+ const uint8_t* src_buf,
+ uint32_t src_size);
+
+#ifndef PDF_ENABLE_XFA
+ int ReadHeader(FXJPEG_Context* pContext,
+ int* width,
+ int* height,
+ int* nComps);
+#else // PDF_ENABLE_XFA
+ int ReadHeader(FXJPEG_Context* pContext,
+ int* width,
+ int* height,
+ int* nComps,
+ CFX_DIBAttribute* pAttribute);
+#endif // PDF_ENABLE_XFA
+
+ int StartScanline(FXJPEG_Context* pContext, int down_scale);
+ FX_BOOL ReadScanline(FXJPEG_Context* pContext, uint8_t* dest_buf);
+ uint32_t GetAvailInput(FXJPEG_Context* pContext, uint8_t** avail_buf_ptr);
+};
+
+#endif // CORE_FXCODEC_CODEC_CCODEC_JPEGMODULE_H_