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authorNicolas Pena <npm@chromium.org>2017-03-31 10:22:11 -0400
committerChromium commit bot <commit-bot@chromium.org>2017-03-31 16:40:20 +0000
commitfc715c3c1d9c9c623c36ae9fc8b8aac0362e4c22 (patch)
treebb4ec95d6531903196cecb3d215d9ca05f1b45db /core/fxge/dib/cfx_dibitmap.h
parentc0cf369e0bd58ce5ae910d0b8636f6f23eca1490 (diff)
downloadpdfium-fc715c3c1d9c9c623c36ae9fc8b8aac0362e4c22.tar.xz
Split fx_dib part 1
Move CFX_DIBSource to its own file. Also move the classes that inherit from it to their own headers. Their cpp's will be added in followup. Change-Id: Id2b53e124ea5445c558bfcf627bf526870cc92e8 Reviewed-on: https://pdfium-review.googlesource.com/3450 Reviewed-by: Tom Sepez <tsepez@chromium.org> Commit-Queue: Nicolás Peña <npm@chromium.org>
Diffstat (limited to 'core/fxge/dib/cfx_dibitmap.h')
-rw-r--r--core/fxge/dib/cfx_dibitmap.h135
1 files changed, 135 insertions, 0 deletions
diff --git a/core/fxge/dib/cfx_dibitmap.h b/core/fxge/dib/cfx_dibitmap.h
new file mode 100644
index 0000000000..9cb46afb53
--- /dev/null
+++ b/core/fxge/dib/cfx_dibitmap.h
@@ -0,0 +1,135 @@
+// 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_CFX_DIBITMAP_H_
+#define CORE_FXGE_DIB_CFX_DIBITMAP_H_
+
+#include "core/fxcrt/cfx_retain_ptr.h"
+#include "core/fxcrt/fx_basic.h"
+#include "core/fxcrt/fx_coordinates.h"
+#include "core/fxge/dib/cfx_dibsource.h"
+#include "third_party/base/stl_util.h"
+
+class CFX_DIBitmap : public CFX_DIBSource {
+ public:
+ template <typename T, typename... Args>
+ friend CFX_RetainPtr<T> pdfium::MakeRetain(Args&&... args);
+
+ ~CFX_DIBitmap() override;
+
+ bool Create(int width,
+ int height,
+ FXDIB_Format format,
+ uint8_t* pBuffer = nullptr,
+ int pitch = 0);
+
+ bool Copy(const CFX_RetainPtr<CFX_DIBSource>& pSrc);
+
+ // CFX_DIBSource
+ uint8_t* GetBuffer() const override;
+ const uint8_t* GetScanline(int line) const override;
+ void DownSampleScanline(int line,
+ uint8_t* dest_scan,
+ int dest_bpp,
+ int dest_width,
+ bool bFlipX,
+ int clip_left,
+ int clip_width) const override;
+
+ void TakeOver(CFX_RetainPtr<CFX_DIBitmap>&& pSrcBitmap);
+ bool ConvertFormat(FXDIB_Format format);
+ void Clear(uint32_t color);
+
+ uint32_t GetPixel(int x, int y) const;
+ void SetPixel(int x, int y, uint32_t color);
+
+ bool LoadChannel(FXDIB_Channel destChannel,
+ const CFX_RetainPtr<CFX_DIBSource>& pSrcBitmap,
+ FXDIB_Channel srcChannel);
+ bool LoadChannel(FXDIB_Channel destChannel, int value);
+
+ bool MultiplyAlpha(int alpha);
+ bool MultiplyAlpha(const CFX_RetainPtr<CFX_DIBSource>& pAlphaMask);
+
+ bool TransferBitmap(int dest_left,
+ int dest_top,
+ int width,
+ int height,
+ const CFX_RetainPtr<CFX_DIBSource>& pSrcBitmap,
+ int src_left,
+ int src_top);
+
+ bool CompositeBitmap(int dest_left,
+ int dest_top,
+ int width,
+ int height,
+ const CFX_RetainPtr<CFX_DIBSource>& pSrcBitmap,
+ int src_left,
+ int src_top,
+ int blend_type = FXDIB_BLEND_NORMAL,
+ const CFX_ClipRgn* pClipRgn = nullptr,
+ bool bRgbByteOrder = false,
+ void* pIccTransform = nullptr);
+
+ bool TransferMask(int dest_left,
+ int dest_top,
+ int width,
+ int height,
+ const CFX_RetainPtr<CFX_DIBSource>& pMask,
+ uint32_t color,
+ int src_left,
+ int src_top,
+ int alpha_flag = 0,
+ void* pIccTransform = nullptr);
+
+ bool CompositeMask(int dest_left,
+ int dest_top,
+ int width,
+ int height,
+ const CFX_RetainPtr<CFX_DIBSource>& pMask,
+ uint32_t color,
+ int src_left,
+ int src_top,
+ int blend_type = FXDIB_BLEND_NORMAL,
+ const CFX_ClipRgn* pClipRgn = nullptr,
+ bool bRgbByteOrder = false,
+ int alpha_flag = 0,
+ void* pIccTransform = nullptr);
+
+ bool CompositeRect(int dest_left,
+ int dest_top,
+ int width,
+ int height,
+ uint32_t color,
+ int alpha_flag = 0,
+ void* pIccTransform = nullptr);
+
+ bool ConvertColorScale(uint32_t forecolor, uint32_t backcolor);
+
+#if defined _SKIA_SUPPORT_ || _SKIA_SUPPORT_PATHS_
+ void PreMultiply();
+#endif
+#if defined _SKIA_SUPPORT_PATHS_
+ void UnPreMultiply();
+#endif
+
+ protected:
+ CFX_DIBitmap();
+ CFX_DIBitmap(const CFX_DIBitmap& src);
+ bool GetGrayData(void* pIccTransform = nullptr);
+
+#if defined _SKIA_SUPPORT_PATHS_
+ enum class Format { kCleared, kPreMultiplied, kUnPreMultiplied };
+#endif
+
+ uint8_t* m_pBuffer;
+#if defined _SKIA_SUPPORT_PATHS_
+ Format m_nFormat;
+#endif
+ bool m_bExtBuf;
+};
+
+#endif // CORE_FXGE_DIB_CFX_DIBITMAP_H_