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// 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_FXGE_CFX_RENDERDEVICE_H_
#define CORE_FXGE_CFX_RENDERDEVICE_H_
#include <memory>
#include "core/fxge/fx_dib.h"
#include "core/fxge/fx_font.h"
class CFX_Font;
class CFX_GraphStateData;
class CFX_ImageRenderer;
class IFX_RenderDeviceDriver;
#define FXDC_DEVICE_CLASS 1
#define FXDC_PIXEL_WIDTH 2
#define FXDC_PIXEL_HEIGHT 3
#define FXDC_BITS_PIXEL 4
#define FXDC_HORZ_SIZE 5
#define FXDC_VERT_SIZE 6
#define FXDC_RENDER_CAPS 7
#define FXDC_DISPLAY 1
#define FXDC_PRINTER 2
#define FXRC_GET_BITS 0x01
#define FXRC_BIT_MASK 0x02
#define FXRC_ALPHA_MASK 0x04
#define FXRC_ALPHA_PATH 0x10
#define FXRC_ALPHA_IMAGE 0x20
#define FXRC_ALPHA_OUTPUT 0x40
#define FXRC_BLEND_MODE 0x80
#define FXRC_SOFT_CLIP 0x100
#define FXRC_CMYK_OUTPUT 0x200
#define FXRC_BITMASK_OUTPUT 0x400
#define FXRC_BYTEMASK_OUTPUT 0x800
#define FXRENDER_IMAGE_LOSSY 0x1000
#define FXRC_FILLSTROKE_PATH 0x2000
#define FXRC_SHADING 0x4000
#define FXFILL_ALTERNATE 1
#define FXFILL_WINDING 2
#define FXFILL_FULLCOVER 4
#define FXFILL_RECT_AA 8
#define FX_FILL_STROKE 16
#define FX_STROKE_ADJUST 32
#define FX_STROKE_TEXT_MODE 64
#define FX_FILL_TEXT_MODE 128
#define FX_ZEROAREA_FILL 256
#define FXFILL_NOPATHSMOOTH 512
#define FXTEXT_CLEARTYPE 0x01
#define FXTEXT_BGR_STRIPE 0x02
#define FXTEXT_PRINTGRAPHICTEXT 0x04
#define FXTEXT_NO_NATIVETEXT 0x08
#define FXTEXT_PRINTIMAGETEXT 0x10
#define FXTEXT_NOSMOOTH 0x20
enum class FXPT_TYPE : uint8_t { LineTo, BezierTo, MoveTo };
class FXTEXT_CHARPOS {
public:
FXTEXT_CHARPOS();
FXTEXT_CHARPOS(const FXTEXT_CHARPOS&);
~FXTEXT_CHARPOS();
float m_AdjustMatrix[4];
CFX_PointF m_Origin;
uint32_t m_GlyphIndex;
int32_t m_FontCharWidth;
#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
uint32_t m_ExtGID;
#endif
int32_t m_FallbackFontPosition;
bool m_bGlyphAdjust;
bool m_bFontStyle;
};
class CFX_RenderDevice {
public:
class StateRestorer {
public:
explicit StateRestorer(CFX_RenderDevice* pDevice) : m_pDevice(pDevice) {
m_pDevice->SaveState();
}
~StateRestorer() { m_pDevice->RestoreState(false); }
private:
CFX_RenderDevice* m_pDevice;
};
CFX_RenderDevice();
virtual ~CFX_RenderDevice();
// Take ownership of |pDriver|.
void SetDeviceDriver(std::unique_ptr<IFX_RenderDeviceDriver> pDriver);
IFX_RenderDeviceDriver* GetDeviceDriver() const {
return m_pDeviceDriver.get();
}
void SaveState();
void RestoreState(bool bKeepSaved);
int GetWidth() const { return m_Width; }
int GetHeight() const { return m_Height; }
int GetDeviceClass() const { return m_DeviceClass; }
int GetRenderCaps() const { return m_RenderCaps; }
int GetDeviceCaps(int id) const;
CFX_Matrix GetCTM() const;
CFX_RetainPtr<CFX_DIBitmap> GetBitmap() const { return m_pBitmap; }
void SetBitmap(const CFX_RetainPtr<CFX_DIBitmap>& pBitmap) {
m_pBitmap = pBitmap;
}
bool CreateCompatibleBitmap(const CFX_RetainPtr<CFX_DIBitmap>& pDIB,
int width,
int height) const;
const FX_RECT& GetClipBox() const { return m_ClipBox; }
bool SetClip_PathFill(const CFX_PathData* pPathData,
const CFX_Matrix* pObject2Device,
int fill_mode);
bool SetClip_Rect(const FX_RECT& pRect);
bool SetClip_PathStroke(const CFX_PathData* pPathData,
const CFX_Matrix* pObject2Device,
const CFX_GraphStateData* pGraphState);
bool DrawPath(const CFX_PathData* pPathData,
const CFX_Matrix* pObject2Device,
const CFX_GraphStateData* pGraphState,
uint32_t fill_color,
uint32_t stroke_color,
int fill_mode) {
return DrawPathWithBlend(pPathData, pObject2Device, pGraphState, fill_color,
stroke_color, fill_mode, FXDIB_BLEND_NORMAL);
}
bool DrawPathWithBlend(const CFX_PathData* pPathData,
const CFX_Matrix* pObject2Device,
const CFX_GraphStateData* pGraphState,
uint32_t fill_color,
uint32_t stroke_color,
int fill_mode,
int blend_type);
bool SetPixel(int x, int y, uint32_t color);
bool FillRect(const FX_RECT* pRect, uint32_t color) {
return FillRectWithBlend(pRect, color, FXDIB_BLEND_NORMAL);
}
bool FillRectWithBlend(const FX_RECT* pRect, uint32_t color, int blend_type);
bool DrawCosmeticLine(float x1,
float y1,
float x2,
float y2,
uint32_t color,
int fill_mode,
int blend_type);
CFX_RetainPtr<CFX_DIBitmap> GetBackDrop();
bool GetDIBits(const CFX_RetainPtr<CFX_DIBitmap>& pBitmap, int left, int top);
bool SetDIBits(const CFX_RetainPtr<CFX_DIBSource>& pBitmap,
int left,
int top) {
return SetDIBitsWithBlend(pBitmap, left, top, FXDIB_BLEND_NORMAL);
}
bool SetDIBitsWithBlend(const CFX_RetainPtr<CFX_DIBSource>& pBitmap,
int left,
int top,
int blend_type);
bool StretchDIBits(const CFX_RetainPtr<CFX_DIBSource>& pBitmap,
int left,
int top,
int dest_width,
int dest_height) {
return StretchDIBitsWithFlagsAndBlend(pBitmap, left, top, dest_width,
dest_height, 0, FXDIB_BLEND_NORMAL);
}
bool StretchDIBitsWithFlagsAndBlend(
const CFX_RetainPtr<CFX_DIBSource>& pBitmap,
int left,
int top,
int dest_width,
int dest_height,
uint32_t flags,
int blend_type);
bool SetBitMask(const CFX_RetainPtr<CFX_DIBSource>& pBitmap,
int left,
int top,
uint32_t color);
bool StretchBitMask(const CFX_RetainPtr<CFX_DIBSource>& pBitmap,
int left,
int top,
int dest_width,
int dest_height,
uint32_t color);
bool StretchBitMaskWithFlags(const CFX_RetainPtr<CFX_DIBSource>& pBitmap,
int left,
int top,
int dest_width,
int dest_height,
uint32_t color,
uint32_t flags);
bool StartDIBits(const CFX_RetainPtr<CFX_DIBSource>& pBitmap,
int bitmap_alpha,
uint32_t color,
const CFX_Matrix* pMatrix,
uint32_t flags,
std::unique_ptr<CFX_ImageRenderer>* handle) {
return StartDIBitsWithBlend(pBitmap, bitmap_alpha, color, pMatrix, flags,
handle, FXDIB_BLEND_NORMAL);
}
bool StartDIBitsWithBlend(const CFX_RetainPtr<CFX_DIBSource>& pBitmap,
int bitmap_alpha,
uint32_t color,
const CFX_Matrix* pMatrix,
uint32_t flags,
std::unique_ptr<CFX_ImageRenderer>* handle,
int blend_type);
bool ContinueDIBits(CFX_ImageRenderer* handle, IFX_Pause* pPause);
bool DrawNormalText(int nChars,
const FXTEXT_CHARPOS* pCharPos,
CFX_Font* pFont,
float font_size,
const CFX_Matrix* pText2Device,
uint32_t fill_color,
uint32_t text_flags);
bool DrawTextPath(int nChars,
const FXTEXT_CHARPOS* pCharPos,
CFX_Font* pFont,
float font_size,
const CFX_Matrix* pText2User,
const CFX_Matrix* pUser2Device,
const CFX_GraphStateData* pGraphState,
uint32_t fill_color,
uint32_t stroke_color,
CFX_PathData* pClippingPath,
int nFlag);
#ifdef _SKIA_SUPPORT_
virtual void DebugVerifyBitmapIsPreMultiplied() const;
virtual bool SetBitsWithMask(const CFX_RetainPtr<CFX_DIBSource>& pBitmap,
const CFX_RetainPtr<CFX_DIBSource>& pMask,
int left,
int top,
int bitmap_alpha,
int blend_type);
#endif
#if defined _SKIA_SUPPORT_ || defined _SKIA_SUPPORT_PATHS_
void Flush();
#endif
private:
void InitDeviceInfo();
void UpdateClipBox();
bool DrawFillStrokePath(const CFX_PathData* pPathData,
const CFX_Matrix* pObject2Device,
const CFX_GraphStateData* pGraphState,
uint32_t fill_color,
uint32_t stroke_color,
int fill_mode,
int blend_type);
CFX_RetainPtr<CFX_DIBitmap> m_pBitmap;
int m_Width;
int m_Height;
int m_bpp;
int m_RenderCaps;
int m_DeviceClass;
FX_RECT m_ClipBox;
std::unique_ptr<IFX_RenderDeviceDriver> m_pDeviceDriver;
};
#endif // CORE_FXGE_CFX_RENDERDEVICE_H_
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