129 lines
5.1 KiB
C++
129 lines
5.1 KiB
C++
// Copyright 2016 The PDFium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#ifndef CORE_FXGE_RENDERDEVICEDRIVER_IFACE_H_
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#define CORE_FXGE_RENDERDEVICEDRIVER_IFACE_H_
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#include <stdint.h>
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#include <memory>
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#include "core/fxcrt/fx_coordinates.h"
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#include "core/fxcrt/retain_ptr.h"
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#include "core/fxge/dib/fx_dib.h"
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#include "third_party/base/span.h"
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class CFX_DIBBase;
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class CFX_DIBitmap;
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class CFX_Font;
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class CFX_GraphStateData;
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class CFX_ImageRenderer;
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class CFX_Matrix;
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class CFX_Path;
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class CPDF_ShadingPattern;
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class PauseIndicatorIface;
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class TextCharPos;
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struct CFX_FillRenderOptions;
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struct CFX_TextRenderOptions;
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struct FX_RECT;
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enum class DeviceType : bool {
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kDisplay,
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kPrinter,
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};
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class RenderDeviceDriverIface {
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public:
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virtual ~RenderDeviceDriverIface();
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virtual DeviceType GetDeviceType() const = 0;
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virtual int GetDeviceCaps(int caps_id) const = 0;
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virtual void SaveState() = 0;
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virtual void RestoreState(bool bKeepSaved) = 0;
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virtual void SetBaseClip(const FX_RECT& rect);
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virtual bool SetClip_PathFill(const CFX_Path& path,
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const CFX_Matrix* pObject2Device,
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const CFX_FillRenderOptions& fill_options) = 0;
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virtual bool SetClip_PathStroke(const CFX_Path& path,
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const CFX_Matrix* pObject2Device,
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const CFX_GraphStateData* pGraphState);
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virtual bool DrawPath(const CFX_Path& path,
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const CFX_Matrix* pObject2Device,
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const CFX_GraphStateData* pGraphState,
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uint32_t fill_color,
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uint32_t stroke_color,
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const CFX_FillRenderOptions& fill_options,
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BlendMode blend_type) = 0;
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virtual bool FillRectWithBlend(const FX_RECT& rect,
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uint32_t fill_color,
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BlendMode blend_type);
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virtual bool DrawCosmeticLine(const CFX_PointF& ptMoveTo,
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const CFX_PointF& ptLineTo,
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uint32_t color,
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BlendMode blend_type);
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virtual bool GetClipBox(FX_RECT* pRect) = 0;
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virtual bool GetDIBits(const RetainPtr<CFX_DIBitmap>& pBitmap,
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int left,
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int top);
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virtual RetainPtr<CFX_DIBitmap> GetBackDrop();
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virtual bool SetDIBits(const RetainPtr<CFX_DIBBase>& pBitmap,
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uint32_t color,
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const FX_RECT& src_rect,
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int dest_left,
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int dest_top,
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BlendMode blend_type) = 0;
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virtual bool StretchDIBits(const RetainPtr<CFX_DIBBase>& pBitmap,
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uint32_t color,
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int dest_left,
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int dest_top,
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int dest_width,
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int dest_height,
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const FX_RECT* pClipRect,
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const FXDIB_ResampleOptions& options,
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BlendMode blend_type) = 0;
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virtual bool StartDIBits(const RetainPtr<CFX_DIBBase>& pBitmap,
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int bitmap_alpha,
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uint32_t color,
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const CFX_Matrix& matrix,
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const FXDIB_ResampleOptions& options,
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std::unique_ptr<CFX_ImageRenderer>* handle,
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BlendMode blend_type) = 0;
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virtual bool ContinueDIBits(CFX_ImageRenderer* handle,
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PauseIndicatorIface* pPause);
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virtual bool DrawDeviceText(pdfium::span<const TextCharPos> pCharPos,
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CFX_Font* pFont,
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const CFX_Matrix& mtObject2Device,
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float font_size,
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uint32_t color,
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const CFX_TextRenderOptions& options);
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virtual int GetDriverType() const;
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virtual bool DrawShading(const CPDF_ShadingPattern* pPattern,
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const CFX_Matrix* pMatrix,
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const FX_RECT& clip_rect,
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int alpha,
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bool bAlphaMode);
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#if defined(_SKIA_SUPPORT_)
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virtual bool SetBitsWithMask(const RetainPtr<CFX_DIBBase>& pBitmap,
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const RetainPtr<CFX_DIBBase>& pMask,
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int left,
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int top,
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int bitmap_alpha,
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BlendMode blend_type);
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virtual void SetGroupKnockout(bool group_knockout);
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#endif
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// Multiplies the device by a constant alpha, returning `true` on success.
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virtual bool MultiplyAlpha(float alpha) = 0;
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// Multiplies the device by an alpha mask, returning `true` on success.
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virtual bool MultiplyAlpha(const RetainPtr<CFX_DIBBase>& mask) = 0;
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};
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#endif // CORE_FXGE_RENDERDEVICEDRIVER_IFACE_H_
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