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authorNicolas Pena <npm@chromium.org>2017-04-04 17:47:50 -0400
committerChromium commit bot <commit-bot@chromium.org>2017-04-04 22:20:42 +0000
commit236ce3ba2f274307db9ed49c595e242cd811716c (patch)
treec155d54f3f917a5ae28047776f8109cd688bf249 /core/fxge/dib/cstretchengine.h
parentafd0d1f488ea55da545b3310fd8f22e45522a695 (diff)
downloadpdfium-236ce3ba2f274307db9ed49c595e242cd811716c.tar.xz
Remove dib_int.h
This CL removes dib_int.h by moving CStretchEngine to its own file, other classes to where they are used, and the remaining to fx_dib.h. Change-Id: Ie2d4bb39389737cd631f92b88000ea942608da21 Reviewed-on: https://pdfium-review.googlesource.com/3714 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Nicolás Peña <npm@chromium.org>
Diffstat (limited to 'core/fxge/dib/cstretchengine.h')
-rw-r--r--core/fxge/dib/cstretchengine.h81
1 files changed, 81 insertions, 0 deletions
diff --git a/core/fxge/dib/cstretchengine.h b/core/fxge/dib/cstretchengine.h
new file mode 100644
index 0000000000..0d9457fb9d
--- /dev/null
+++ b/core/fxge/dib/cstretchengine.h
@@ -0,0 +1,81 @@
+// Copyright 2017 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_FXGE_DIB_CSTRETCHENGINE_H_
+#define CORE_FXGE_DIB_CSTRETCHENGINE_H_
+
+#include "core/fxcrt/fx_coordinates.h"
+#include "core/fxge/fx_dib.h"
+
+class IFX_ScanlineComposer;
+
+class CStretchEngine {
+ public:
+ CStretchEngine(IFX_ScanlineComposer* pDestBitmap,
+ FXDIB_Format dest_format,
+ int dest_width,
+ int dest_height,
+ const FX_RECT& clip_rect,
+ const CFX_RetainPtr<CFX_DIBSource>& pSrcBitmap,
+ int flags);
+ ~CStretchEngine();
+
+ bool Continue(IFX_Pause* pPause);
+
+ bool StartStretchHorz();
+ bool ContinueStretchHorz(IFX_Pause* pPause);
+ void StretchVert();
+
+ class CWeightTable {
+ public:
+ CWeightTable();
+ ~CWeightTable();
+
+ bool Calc(int dest_len,
+ int dest_min,
+ int dest_max,
+ int src_len,
+ int src_min,
+ int src_max,
+ int flags);
+ PixelWeight* GetPixelWeight(int pixel) const;
+ int* GetValueFromPixelWeight(PixelWeight* pWeight, int index) const;
+ size_t GetPixelWeightSize() const;
+
+ private:
+ int m_DestMin;
+ int m_ItemSize;
+ uint8_t* m_pWeightTables;
+ size_t m_dwWeightTablesSize;
+ };
+
+ FXDIB_Format m_DestFormat;
+ int m_DestBpp;
+ int m_SrcBpp;
+ int m_bHasAlpha;
+ IFX_ScanlineComposer* m_pDestBitmap;
+ int m_DestWidth, m_DestHeight;
+ FX_RECT m_DestClip;
+ uint8_t* m_pDestScanline;
+ uint8_t* m_pDestMaskScanline;
+ FX_RECT m_SrcClip;
+ CFX_RetainPtr<CFX_DIBSource> m_pSource;
+ uint32_t* m_pSrcPalette;
+ int m_SrcWidth;
+ int m_SrcHeight;
+ int m_SrcPitch;
+ int m_InterPitch;
+ int m_ExtraMaskPitch;
+ uint8_t* m_pInterBuf;
+ uint8_t* m_pExtraAlphaBuf;
+ int m_TransMethod;
+ int m_Flags;
+ CWeightTable m_WeightTable;
+ int m_CurRow;
+ int m_State;
+};
+
+#endif // CORE_FXGE_DIB_CSTRETCHENGINE_H_