Index: core/fxcodec/codec/ccodec_scanlinedecoder.h |
diff --git a/core/fxcodec/codec/ccodec_scanlinedecoder.h b/core/fxcodec/codec/ccodec_scanlinedecoder.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..cd18c8d76ec793012c9269824ee8144bf1122e38 |
--- /dev/null |
+++ b/core/fxcodec/codec/ccodec_scanlinedecoder.h |
@@ -0,0 +1,46 @@ |
+// 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_SCANLINEDECODER_H_ |
+#define CORE_FXCODEC_CODEC_CCODEC_SCANLINEDECODER_H_ |
+ |
+#include "core/fxcrt/include/fx_system.h" |
+ |
+class IFX_Pause; |
+ |
+class CCodec_ScanlineDecoder { |
+ public: |
+ CCodec_ScanlineDecoder(); |
+ virtual ~CCodec_ScanlineDecoder(); |
+ |
+ const uint8_t* GetScanline(int line); |
+ FX_BOOL SkipToScanline(int line, IFX_Pause* pPause); |
+ |
+ int GetWidth() { return m_OutputWidth; } |
+ int GetHeight() { return m_OutputHeight; } |
+ int CountComps() { return m_nComps; } |
+ int GetBPC() { return m_bpc; } |
+ |
+ virtual uint32_t GetSrcOffset() = 0; |
+ |
+ protected: |
+ virtual FX_BOOL v_Rewind() = 0; |
+ virtual uint8_t* v_GetNextLine() = 0; |
+ |
+ uint8_t* ReadNextLine(); |
+ |
+ int m_OrigWidth; |
+ int m_OrigHeight; |
+ int m_OutputWidth; |
+ int m_OutputHeight; |
+ int m_nComps; |
+ int m_bpc; |
+ uint32_t m_Pitch; |
+ int m_NextLine; |
+ uint8_t* m_pLastScanline; |
+}; |
+ |
+#endif // CORE_FXCODEC_CODEC_CCODEC_SCANLINEDECODER_H_ |