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Unified Diff: core/fxcodec/codec/ccodec_scanlinedecoder.h

Issue 1876023003: Remove ICodec_* Interfaces. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Created 4 years, 8 months ago
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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_
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