diff options
Diffstat (limited to 'core/fpdfapi/fpdf_render/include')
4 files changed, 259 insertions, 0 deletions
diff --git a/core/fpdfapi/fpdf_render/include/cpdf_progressiverenderer.h b/core/fpdfapi/fpdf_render/include/cpdf_progressiverenderer.h new file mode 100644 index 0000000000..eddd4b0c83 --- /dev/null +++ b/core/fpdfapi/fpdf_render/include/cpdf_progressiverenderer.h @@ -0,0 +1,62 @@ +// 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_FPDFAPI_FPDF_RENDER_INCLUDE_CPDF_PROGRESSIVERENDERER_H_ +#define CORE_FPDFAPI_FPDF_RENDER_INCLUDE_CPDF_PROGRESSIVERENDERER_H_ + +#include <memory> + +#include "core/fpdfapi/fpdf_render/include/cpdf_rendercontext.h" +#include "core/include/fpdfapi/fpdf_page.h" +#include "core/include/fxcrt/fx_coordinates.h" +#include "core/include/fxcrt/fx_system.h" + +class CPDF_RenderOptions; +class CPDF_RenderStatus; +class CFX_RenderDevice; +class IFX_Pause; + +class CPDF_ProgressiveRenderer { + public: + // Must match FDF_RENDER_* definitions in public/fpdf_progressive.h, but + // cannot #include that header. fpdfsdk/fpdf_progressive.cpp has + // static_asserts to make sure the two sets of values match. + enum Status { + Ready, // FPDF_RENDER_READER + ToBeContinued, // FPDF_RENDER_TOBECOUNTINUED + Done, // FPDF_RENDER_DONE + Failed // FPDF_RENDER_FAILED + }; + + static int ToFPDFStatus(Status status) { return static_cast<int>(status); } + + CPDF_ProgressiveRenderer(CPDF_RenderContext* pContext, + CFX_RenderDevice* pDevice, + const CPDF_RenderOptions* pOptions); + ~CPDF_ProgressiveRenderer(); + + Status GetStatus() const { return m_Status; } + void Start(IFX_Pause* pPause); + void Continue(IFX_Pause* pPause); + + private: + void RenderStep(); + + // Maximum page objects to render before checking for pause. + static const int kStepLimit = 100; + + Status m_Status; + CPDF_RenderContext* const m_pContext; + CFX_RenderDevice* const m_pDevice; + const CPDF_RenderOptions* const m_pOptions; + std::unique_ptr<CPDF_RenderStatus> m_pRenderStatus; + CFX_FloatRect m_ClipRect; + FX_DWORD m_LayerIndex; + CPDF_RenderContext::Layer* m_pCurrentLayer; + CPDF_PageObjectList::iterator m_LastObjectRendered; +}; + +#endif // CORE_FPDFAPI_FPDF_RENDER_INCLUDE_CPDF_PROGRESSIVERENDERER_H_ diff --git a/core/fpdfapi/fpdf_render/include/cpdf_rendercontext.h b/core/fpdfapi/fpdf_render/include/cpdf_rendercontext.h new file mode 100644 index 0000000000..4c55658163 --- /dev/null +++ b/core/fpdfapi/fpdf_render/include/cpdf_rendercontext.h @@ -0,0 +1,68 @@ +// 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_FPDFAPI_FPDF_RENDER_INCLUDE_CPDF_RENDERCONTEXT_H_ +#define CORE_FPDFAPI_FPDF_RENDER_INCLUDE_CPDF_RENDERCONTEXT_H_ + +#include "core/include/fxcrt/fx_basic.h" +#include "core/include/fxcrt/fx_coordinates.h" + +class CPDF_Dictionary; +class CPDF_Document; +class CPDF_Page; +class CPDF_PageObject; +class CPDF_PageObjectHolder; +class CPDF_PageRenderCache; +class CPDF_RenderOptions; +class CFX_DIBitmap; +class CFX_Matrix; +class CFX_RenderDevice; + +class CPDF_RenderContext { + public: + class Layer { + public: + CPDF_PageObjectHolder* m_pObjectHolder; + CFX_Matrix m_Matrix; + }; + + explicit CPDF_RenderContext(CPDF_Page* pPage); + CPDF_RenderContext(CPDF_Document* pDoc, CPDF_PageRenderCache* pPageCache); + ~CPDF_RenderContext(); + + void AppendLayer(CPDF_PageObjectHolder* pObjectHolder, + const CFX_Matrix* pObject2Device); + + void Render(CFX_RenderDevice* pDevice, + const CPDF_RenderOptions* pOptions, + const CFX_Matrix* pFinalMatrix); + + void Render(CFX_RenderDevice* pDevice, + const CPDF_PageObject* pStopObj, + const CPDF_RenderOptions* pOptions, + const CFX_Matrix* pFinalMatrix); + + void GetBackground(CFX_DIBitmap* pBuffer, + const CPDF_PageObject* pObj, + const CPDF_RenderOptions* pOptions, + CFX_Matrix* pFinalMatrix); + + FX_DWORD CountLayers() const { return m_Layers.GetSize(); } + Layer* GetLayer(FX_DWORD index) { return m_Layers.GetDataPtr(index); } + + CPDF_Document* GetDocument() const { return m_pDocument; } + CPDF_Dictionary* GetPageResources() const { return m_pPageResources; } + CPDF_PageRenderCache* GetPageCache() const { return m_pPageCache; } + + protected: + CPDF_Document* const m_pDocument; + CPDF_Dictionary* m_pPageResources; + CPDF_PageRenderCache* m_pPageCache; + FX_BOOL m_bFirstLayer; + CFX_ArrayTemplate<Layer> m_Layers; +}; + +#endif // CORE_FPDFAPI_FPDF_RENDER_INCLUDE_CPDF_RENDERCONTEXT_H_ diff --git a/core/fpdfapi/fpdf_render/include/cpdf_renderoptions.h b/core/fpdfapi/fpdf_render/include/cpdf_renderoptions.h new file mode 100644 index 0000000000..c0911e7cd2 --- /dev/null +++ b/core/fpdfapi/fpdf_render/include/cpdf_renderoptions.h @@ -0,0 +1,52 @@ +// 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_FPDFAPI_FPDF_RENDER_INCLUDE_CPDF_RENDEROPTIONS_H_ +#define CORE_FPDFAPI_FPDF_RENDER_INCLUDE_CPDF_RENDEROPTIONS_H_ + +#include "core/include/fxcrt/fx_system.h" +#include "core/include/fxge/fx_dib.h" + +class IPDF_OCContext; + +#define RENDER_COLOR_NORMAL 0 +#define RENDER_COLOR_GRAY 1 +#define RENDER_COLOR_TWOCOLOR 2 +#define RENDER_COLOR_ALPHA 3 +#define RENDER_CLEARTYPE 0x00000001 +#define RENDER_PRINTGRAPHICTEXT 0x00000002 +#define RENDER_FORCE_DOWNSAMPLE 0x00000004 +#define RENDER_PRINTPREVIEW 0x00000008 +#define RENDER_BGR_STRIPE 0x00000010 +#define RENDER_NO_NATIVETEXT 0x00000020 +#define RENDER_FORCE_HALFTONE 0x00000040 +#define RENDER_RECT_AA 0x00000080 +#define RENDER_FILL_FULLCOVER 0x00000100 +#define RENDER_PRINTIMAGETEXT 0x00000200 +#define RENDER_OVERPRINT 0x00000400 +#define RENDER_THINLINE 0x00000800 +#define RENDER_NOTEXTSMOOTH 0x10000000 +#define RENDER_NOPATHSMOOTH 0x20000000 +#define RENDER_NOIMAGESMOOTH 0x40000000 +#define RENDER_LIMITEDIMAGECACHE 0x80000000 + +class CPDF_RenderOptions { + public: + CPDF_RenderOptions(); + FX_ARGB TranslateColor(FX_ARGB argb) const; + + int m_ColorMode; + FX_COLORREF m_BackColor; + FX_COLORREF m_ForeColor; + FX_DWORD m_Flags; + int m_Interpolation; + FX_DWORD m_AddFlags; + IPDF_OCContext* m_pOCContext; + FX_DWORD m_dwLimitCacheSize; + int m_HalftoneLimit; +}; + +#endif // CORE_FPDFAPI_FPDF_RENDER_INCLUDE_CPDF_RENDEROPTIONS_H_ diff --git a/core/fpdfapi/fpdf_render/include/cpdf_textrenderer.h b/core/fpdfapi/fpdf_render/include/cpdf_textrenderer.h new file mode 100644 index 0000000000..1cf67cd2f2 --- /dev/null +++ b/core/fpdfapi/fpdf_render/include/cpdf_textrenderer.h @@ -0,0 +1,77 @@ +// 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_FPDFAPI_FPDF_RENDER_INCLUDE_CPDF_TEXTRENDERER_H_ +#define CORE_FPDFAPI_FPDF_RENDER_INCLUDE_CPDF_TEXTRENDERER_H_ + +#include "core/include/fxcrt/fx_coordinates.h" +#include "core/include/fxcrt/fx_string.h" +#include "core/include/fxcrt/fx_system.h" +#include "core/include/fxge/fx_dib.h" + +class CFX_RenderDevice; +class CFX_GraphStateData; +class CFX_PathData; +class CPDF_RenderOptions; +class CPDF_Font; + +class CPDF_TextRenderer { + public: + static void DrawTextString(CFX_RenderDevice* pDevice, + int left, + int top, + CPDF_Font* pFont, + int height, + const CFX_ByteString& str, + FX_ARGB argb); + + static void DrawTextString(CFX_RenderDevice* pDevice, + FX_FLOAT origin_x, + FX_FLOAT origin_y, + CPDF_Font* pFont, + FX_FLOAT font_size, + const CFX_Matrix* matrix, + const CFX_ByteString& str, + FX_ARGB fill_argb, + FX_ARGB stroke_argb = 0, + const CFX_GraphStateData* pGraphState = NULL, + const CPDF_RenderOptions* pOptions = NULL); + + static FX_BOOL DrawTextPath(CFX_RenderDevice* pDevice, + int nChars, + FX_DWORD* pCharCodes, + FX_FLOAT* pCharPos, + CPDF_Font* pFont, + FX_FLOAT font_size, + const CFX_Matrix* pText2User, + const CFX_Matrix* pUser2Device, + const CFX_GraphStateData* pGraphState, + FX_ARGB fill_argb, + FX_ARGB stroke_argb, + CFX_PathData* pClippingPath, + int nFlag = 0); + + static FX_BOOL DrawNormalText(CFX_RenderDevice* pDevice, + int nChars, + FX_DWORD* pCharCodes, + FX_FLOAT* pCharPos, + CPDF_Font* pFont, + FX_FLOAT font_size, + const CFX_Matrix* pText2Device, + FX_ARGB fill_argb, + const CPDF_RenderOptions* pOptions); + + static FX_BOOL DrawType3Text(CFX_RenderDevice* pDevice, + int nChars, + FX_DWORD* pCharCodes, + FX_FLOAT* pCharPos, + CPDF_Font* pFont, + FX_FLOAT font_size, + const CFX_Matrix* pText2Device, + FX_ARGB fill_argb); +}; + +#endif // CORE_FPDFAPI_FPDF_RENDER_INCLUDE_CPDF_TEXTRENDERER_H_ |