| // Copyright 2016 The PDFium Authors |
| // 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_RENDERDEVICEDRIVER_IFACE_H_ |
| #define CORE_FXGE_RENDERDEVICEDRIVER_IFACE_H_ |
| |
| #include <stdint.h> |
| |
| #include <memory> |
| |
| #include "core/fxcrt/fx_coordinates.h" |
| #include "core/fxcrt/retain_ptr.h" |
| #include "core/fxge/dib/fx_dib.h" |
| #include "third_party/base/span.h" |
| |
| class CFX_DIBBase; |
| class CFX_DIBitmap; |
| class CFX_Font; |
| class CFX_GraphStateData; |
| class CFX_ImageRenderer; |
| class CFX_Matrix; |
| class CFX_Path; |
| class CPDF_ShadingPattern; |
| class PauseIndicatorIface; |
| class TextCharPos; |
| struct CFX_FillRenderOptions; |
| struct CFX_TextRenderOptions; |
| struct FX_RECT; |
| |
| enum class DeviceType : bool { |
| kDisplay, |
| kPrinter, |
| }; |
| |
| class RenderDeviceDriverIface { |
| public: |
| virtual ~RenderDeviceDriverIface(); |
| |
| virtual DeviceType GetDeviceType() const = 0; |
| virtual int GetDeviceCaps(int caps_id) const = 0; |
| |
| virtual void SaveState() = 0; |
| virtual void RestoreState(bool bKeepSaved) = 0; |
| |
| virtual void SetBaseClip(const FX_RECT& rect); |
| virtual bool SetClip_PathFill(const CFX_Path& path, |
| const CFX_Matrix* pObject2Device, |
| const CFX_FillRenderOptions& fill_options) = 0; |
| virtual bool SetClip_PathStroke(const CFX_Path& path, |
| const CFX_Matrix* pObject2Device, |
| const CFX_GraphStateData* pGraphState); |
| virtual bool DrawPath(const CFX_Path& path, |
| const CFX_Matrix* pObject2Device, |
| const CFX_GraphStateData* pGraphState, |
| uint32_t fill_color, |
| uint32_t stroke_color, |
| const CFX_FillRenderOptions& fill_options, |
| BlendMode blend_type) = 0; |
| virtual bool FillRectWithBlend(const FX_RECT& rect, |
| uint32_t fill_color, |
| BlendMode blend_type); |
| virtual bool DrawCosmeticLine(const CFX_PointF& ptMoveTo, |
| const CFX_PointF& ptLineTo, |
| uint32_t color, |
| BlendMode blend_type); |
| |
| virtual bool GetClipBox(FX_RECT* pRect) = 0; |
| virtual bool GetDIBits(const RetainPtr<CFX_DIBitmap>& pBitmap, |
| int left, |
| int top); |
| virtual RetainPtr<CFX_DIBitmap> GetBackDrop(); |
| virtual bool SetDIBits(const RetainPtr<CFX_DIBBase>& pBitmap, |
| uint32_t color, |
| const FX_RECT& src_rect, |
| int dest_left, |
| int dest_top, |
| BlendMode blend_type) = 0; |
| virtual bool StretchDIBits(const RetainPtr<CFX_DIBBase>& pBitmap, |
| uint32_t color, |
| int dest_left, |
| int dest_top, |
| int dest_width, |
| int dest_height, |
| const FX_RECT* pClipRect, |
| const FXDIB_ResampleOptions& options, |
| BlendMode blend_type) = 0; |
| virtual bool StartDIBits(const RetainPtr<CFX_DIBBase>& pBitmap, |
| int bitmap_alpha, |
| uint32_t color, |
| const CFX_Matrix& matrix, |
| const FXDIB_ResampleOptions& options, |
| std::unique_ptr<CFX_ImageRenderer>* handle, |
| BlendMode blend_type) = 0; |
| virtual bool ContinueDIBits(CFX_ImageRenderer* handle, |
| PauseIndicatorIface* pPause); |
| virtual bool DrawDeviceText(pdfium::span<const TextCharPos> pCharPos, |
| CFX_Font* pFont, |
| const CFX_Matrix& mtObject2Device, |
| float font_size, |
| uint32_t color, |
| const CFX_TextRenderOptions& options); |
| virtual int GetDriverType() const; |
| virtual bool DrawShading(const CPDF_ShadingPattern* pPattern, |
| const CFX_Matrix* pMatrix, |
| const FX_RECT& clip_rect, |
| int alpha, |
| bool bAlphaMode); |
| #if defined(_SKIA_SUPPORT_) |
| virtual bool SetBitsWithMask(const RetainPtr<CFX_DIBBase>& pBitmap, |
| const RetainPtr<CFX_DIBBase>& pMask, |
| int left, |
| int top, |
| int bitmap_alpha, |
| BlendMode blend_type); |
| virtual void SetGroupKnockout(bool group_knockout); |
| #endif |
| |
| // Multiplies the device by a constant alpha, returning `true` on success. |
| virtual bool MultiplyAlpha(float alpha) = 0; |
| |
| // Multiplies the device by an alpha mask, returning `true` on success. |
| virtual bool MultiplyAlpha(const RetainPtr<CFX_DIBBase>& mask) = 0; |
| }; |
| |
| #endif // CORE_FXGE_RENDERDEVICEDRIVER_IFACE_H_ |