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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_INCLUDE_CFX_RENDERDEVICE_H_
#define CORE_FXGE_INCLUDE_CFX_RENDERDEVICE_H_
#include <memory>
#include "core/fxge/include/cfx_gemodule.h"
#include "core/fxge/include/fx_dib.h"
#include "core/fxge/include/fx_font.h"
class CFX_Font;
class CFX_FontCache;
class CFX_GraphStateData;
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 FXPT_CLOSEFIGURE 0x01
#define FXPT_LINETO 0x02
#define FXPT_BEZIERTO 0x04
#define FXPT_MOVETO 0x06
#define FXPT_TYPE 0x06
#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
struct FXTEXT_CHARPOS {
FX_FLOAT m_AdjustMatrix[4];
FX_FLOAT m_OriginX;
FX_FLOAT m_OriginY;
uint32_t m_GlyphIndex;
int32_t m_FontCharWidth;
#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
uint32_t m_ExtGID;
#endif
bool m_bGlyphAdjust;
bool m_bFontStyle;
};
class CFX_RenderDevice {
public:
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_DIBitmap* GetBitmap() const { return m_pBitmap; }
void SetBitmap(CFX_DIBitmap* pBitmap) { m_pBitmap = pBitmap; }
FX_BOOL CreateCompatibleBitmap(CFX_DIBitmap* pDIB,
int width,
int height) const;
const FX_RECT& GetClipBox() const { return m_ClipBox; }
FX_BOOL SetClip_PathFill(const CFX_PathData* pPathData,
const CFX_Matrix* pObject2Device,
int fill_mode);
FX_BOOL SetClip_Rect(const FX_RECT& pRect);
FX_BOOL SetClip_PathStroke(const CFX_PathData* pPathData,
const CFX_Matrix* pObject2Device,
const CFX_GraphStateData* pGraphState);
FX_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);
}
FX_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);
FX_BOOL SetPixel(int x, int y, uint32_t color);
FX_BOOL FillRect(const FX_RECT* pRect, uint32_t color) {
return FillRectWithBlend(pRect, color, FXDIB_BLEND_NORMAL);
}
FX_BOOL FillRectWithBlend(const FX_RECT* pRect,
uint32_t color,
int blend_type);
FX_BOOL DrawCosmeticLine(FX_FLOAT x1,
FX_FLOAT y1,
FX_FLOAT x2,
FX_FLOAT y2,
uint32_t color,
int fill_mode,
int blend_type);
FX_BOOL GetDIBits(CFX_DIBitmap* pBitmap, int left, int top);
CFX_DIBitmap* GetBackDrop();
FX_BOOL SetDIBits(const CFX_DIBSource* pBitmap, int left, int top) {
return SetDIBitsWithBlend(pBitmap, left, top, FXDIB_BLEND_NORMAL);
}
FX_BOOL SetDIBitsWithBlend(const CFX_DIBSource* pBitmap,
int left,
int top,
int blend_type);
FX_BOOL StretchDIBits(const 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);
}
FX_BOOL StretchDIBitsWithFlagsAndBlend(const CFX_DIBSource* pBitmap,
int left,
int top,
int dest_width,
int dest_height,
uint32_t flags,
int blend_type);
FX_BOOL SetBitMask(const CFX_DIBSource* pBitmap,
int left,
int top,
uint32_t color);
FX_BOOL StretchBitMask(const CFX_DIBSource* pBitmap,
int left,
int top,
int dest_width,
int dest_height,
uint32_t color);
FX_BOOL StretchBitMaskWithFlags(const CFX_DIBSource* pBitmap,
int left,
int top,
int dest_width,
int dest_height,
uint32_t color,
uint32_t flags);
FX_BOOL StartDIBits(const CFX_DIBSource* pBitmap,
int bitmap_alpha,
uint32_t color,
const CFX_Matrix* pMatrix,
uint32_t flags,
void*& handle) {
return StartDIBitsWithBlend(pBitmap, bitmap_alpha, color, pMatrix, flags,
handle, FXDIB_BLEND_NORMAL);
}
FX_BOOL StartDIBitsWithBlend(const CFX_DIBSource* pBitmap,
int bitmap_alpha,
uint32_t color,
const CFX_Matrix* pMatrix,
uint32_t flags,
void*& handle,
int blend_type);
FX_BOOL ContinueDIBits(void* handle, IFX_Pause* pPause);
void CancelDIBits(void* handle);
FX_BOOL DrawNormalText(int nChars,
const FXTEXT_CHARPOS* pCharPos,
CFX_Font* pFont,
CFX_FontCache* pCache,
FX_FLOAT font_size,
const CFX_Matrix* pText2Device,
uint32_t fill_color,
uint32_t text_flags);
FX_BOOL DrawTextPath(int nChars,
const FXTEXT_CHARPOS* pCharPos,
CFX_Font* pFont,
CFX_FontCache* pCache,
FX_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_DIBSource* pBitmap,
const CFX_DIBSource* pMask,
int left,
int top,
int bitmap_alpha,
int blend_type);
void Flush();
#endif
private:
void InitDeviceInfo();
void UpdateClipBox();
FX_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_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_INCLUDE_CFX_RENDERDEVICE_H_
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