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authorDan Sinclair <dsinclair@chromium.org>2016-03-14 13:35:12 -0400
committerDan Sinclair <dsinclair@chromium.org>2016-03-14 13:35:12 -0400
commit764ec513eecbebd12781bcc96ce81ed5e736ee92 (patch)
tree12763fde4be1f10ea1183d92185917b2b587e00b /core/fxge/dib/dib_int.h
parent97da97662417085774f75c26e535c6fbe70266ae (diff)
downloadpdfium-764ec513eecbebd12781bcc96ce81ed5e736ee92.tar.xz
Move core/src/ up to core/.
This CL moves the core/src/ files up to core/ and fixes up the include guards, includes and build files. R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1800523005 .
Diffstat (limited to 'core/fxge/dib/dib_int.h')
-rw-r--r--core/fxge/dib/dib_int.h107
1 files changed, 107 insertions, 0 deletions
diff --git a/core/fxge/dib/dib_int.h b/core/fxge/dib/dib_int.h
new file mode 100644
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+++ b/core/fxge/dib/dib_int.h
@@ -0,0 +1,107 @@
+// Copyright 2014 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_DIB_INT_H_
+#define CORE_FXGE_DIB_DIB_INT_H_
+
+#include <stdint.h>
+
+#include "core/include/fxcrt/fx_coordinates.h"
+#include "core/include/fxge/fx_dib.h"
+
+class IFX_ScanlineComposer;
+
+extern const int16_t SDP_Table[513];
+
+class CPDF_FixedMatrix {
+ public:
+ CPDF_FixedMatrix(const CFX_Matrix& src, int bits) {
+ base = 1 << bits;
+ a = FXSYS_round(src.a * base);
+ b = FXSYS_round(src.b * base);
+ c = FXSYS_round(src.c * base);
+ d = FXSYS_round(src.d * base);
+ e = FXSYS_round(src.e * base);
+ f = FXSYS_round(src.f * base);
+ }
+ inline void Transform(int x, int y, int& x1, int& y1) {
+ x1 = (a * x + c * y + e + base / 2) / base;
+ y1 = (b * x + d * y + f + base / 2) / base;
+ }
+ int a, b, c, d, e, f;
+ int base;
+};
+#define FPDF_HUGE_IMAGE_SIZE 60000000
+struct PixelWeight {
+ int m_SrcStart;
+ int m_SrcEnd;
+ int m_Weights[1];
+};
+class CWeightTable {
+ public:
+ CWeightTable() { m_pWeightTables = NULL; }
+ ~CWeightTable() {
+ FX_Free(m_pWeightTables);
+ m_pWeightTables = NULL;
+ }
+ void 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) {
+ return (PixelWeight*)(m_pWeightTables + (pixel - m_DestMin) * m_ItemSize);
+ }
+ int m_DestMin, m_ItemSize;
+ uint8_t* m_pWeightTables;
+};
+class CStretchEngine {
+ public:
+ CStretchEngine(IFX_ScanlineComposer* pDestBitmap,
+ FXDIB_Format dest_format,
+ int dest_width,
+ int dest_height,
+ const FX_RECT& clip_rect,
+ const CFX_DIBSource* pSrcBitmap,
+ int flags);
+ ~CStretchEngine();
+ FX_BOOL Continue(IFX_Pause* pPause);
+
+ public:
+ FXDIB_Format m_DestFormat;
+ int m_DestBpp, m_SrcBpp, 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;
+ const CFX_DIBSource* m_pSource;
+ FX_DWORD* m_pSrcPalette;
+ int m_SrcWidth, m_SrcHeight;
+ int m_SrcPitch, m_InterPitch;
+ int m_ExtraMaskPitch;
+ unsigned char* m_pInterBuf;
+ unsigned char* m_pExtraAlphaBuf;
+ int m_TransMethod;
+ int m_Flags;
+ CWeightTable m_WeightTable;
+ int m_CurRow;
+ FX_BOOL StartStretchHorz();
+ FX_BOOL ContinueStretchHorz(IFX_Pause* pPause);
+ void StretchVert();
+ int m_State;
+};
+
+FX_RECT FXDIB_SwapClipBox(FX_RECT& clip,
+ int width,
+ int height,
+ FX_BOOL bFlipX,
+ FX_BOOL bFlipY);
+
+#endif // CORE_FXGE_DIB_DIB_INT_H_