211 lines
7.4 KiB
C
211 lines
7.4 KiB
C
|
|
||
|
|
/*
|
||
|
|
* _RENDER.H
|
||
|
|
*
|
||
|
|
* Purpose:
|
||
|
|
* CRenderer class
|
||
|
|
*
|
||
|
|
* Authors:
|
||
|
|
* RichEdit 1.0 code: David R. Fulmer
|
||
|
|
* Christian Fortini (initial conversion to C++)
|
||
|
|
* Murray Sargent
|
||
|
|
*
|
||
|
|
* Copyright (c) 1995-2000, Microsoft Corporation. All rights reserved.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _RENDER_H
|
||
|
|
#define _RENDER_H
|
||
|
|
|
||
|
|
#include "_measure.h"
|
||
|
|
#include "_rtext.h"
|
||
|
|
#include "_osdc.h"
|
||
|
|
|
||
|
|
|
||
|
|
BOOL IsTooSimilar(COLORREF cr1, COLORREF cr2);
|
||
|
|
|
||
|
|
class CDisplay;
|
||
|
|
|
||
|
|
// ========================== CRenderer ==================================
|
||
|
|
// CRenderer - specialized text pointer used for rendering text
|
||
|
|
|
||
|
|
class CRenderer : public CMeasurer
|
||
|
|
{
|
||
|
|
friend struct COls;
|
||
|
|
friend struct CLsrun;
|
||
|
|
#ifndef NOLINESERVICES
|
||
|
|
friend LSERR OlsDrawGlyphs(POLS,PLSRUN,BOOL,BOOL,PCGINDEX,const int*,const int*,PGOFFSET,PGPROP,
|
||
|
|
PCEXPTYPE,DWORD,LSTFLOW,UINT,const POINT*,PCHEIGHTS,long,long,const RECT*);
|
||
|
|
friend LSERR WINAPI OlsOleDisplay(PDOBJ pdobj, PCDISPIN pcdispin);
|
||
|
|
friend LSERR WINAPI OlsDrawTextRun(POLS, PLSRUN, BOOL, BOOL, const POINT *,LPCWSTR, const int *,DWORD,LSTFLOW,
|
||
|
|
UINT, const POINT *, PCHEIGHTS, long, long, const RECT *);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
private:
|
||
|
|
RECTUV _rcView; // View rect (_hdc logical coords)
|
||
|
|
RECTUV _rcRender; // Rendered rect (_hdc logical coords)
|
||
|
|
RECTUV _rc; // Running clip/erase rect (_hdc logical coords)
|
||
|
|
RECTUV _rcErase; // Rectangle to use for erasing iff _fEraseOnFirstDraw
|
||
|
|
LONG _dupLine; // Total width of line REVIEW (keithcu) still needed
|
||
|
|
LONG _cpAccelerator; // Accelerator cp if any (-1 if none).
|
||
|
|
|
||
|
|
COLORREF _crBackground; // Default background color
|
||
|
|
COLORREF _crForeDisabled; // Foreground color for disabled text
|
||
|
|
COLORREF _crShadowDisabled; // Shadow color for disabled text
|
||
|
|
COLORREF _crTextColor; // Default text color
|
||
|
|
|
||
|
|
COLORREF _crCurBackground; // Current background color
|
||
|
|
COLORREF _crCurTextColor; // Current text color
|
||
|
|
|
||
|
|
COffscreenDC _osdc; // Manager for offscreen DC
|
||
|
|
HDC _hdc; // Current hdc
|
||
|
|
HDC _hdcBitmap; // Memory hdc for background BitBlts
|
||
|
|
HBITMAP _hbitmapSave; // Saved hbitmap when _hdcMem being used
|
||
|
|
SHORT _dxBitmap; // Background bitmap width
|
||
|
|
SHORT _dyBitmap; // Background bitmap height
|
||
|
|
|
||
|
|
union
|
||
|
|
{
|
||
|
|
DWORD _dwFlags; // All together now
|
||
|
|
struct
|
||
|
|
{
|
||
|
|
DWORD _fDisabled:1; // Draw text with disabled effects?
|
||
|
|
DWORD _fErase:1; // Erase background (non transparent)
|
||
|
|
DWORD _fSelected:1; // Render run with selection colors
|
||
|
|
DWORD _fLastChunk:1; // Rendering last chunk
|
||
|
|
DWORD _fSelectToEOL:1; // Whether selection runs to end of line
|
||
|
|
DWORD _fRenderSelection:1;// Render selection?
|
||
|
|
DWORD _fBackgroundColor:1;// Some text in the line has non-default
|
||
|
|
// background color.
|
||
|
|
DWORD _fEnhancedMetafileDC:1; // Use ExtTextOutA to hack around all
|
||
|
|
// sort of Win95FE EMF or font problems
|
||
|
|
DWORD _fFEFontOnNonFEWin9x:1; // have to use ExtTextOutW even for EMF.
|
||
|
|
DWORD _fSelectedPrev:1; // TRUE if prev run selected
|
||
|
|
DWORD _fStrikeOut:1; // TRUE if current run is struckout
|
||
|
|
DWORD _fEraseOnFirstDraw:1;//Draw opaquely for first run?
|
||
|
|
DWORD _fDisplayDC:1; // Display dc
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
LOGPALETTE *_plogpalette;
|
||
|
|
POINTUV _ptCur; // Current rendering position on screen
|
||
|
|
BYTE _bUnderlineType; // Underline type
|
||
|
|
COLORREF _crUnderlineClr; // Underline color
|
||
|
|
|
||
|
|
void Init(); // Initialize most members to zero
|
||
|
|
|
||
|
|
void UpdatePalette(COleObject *pobj);
|
||
|
|
|
||
|
|
void RenderText(const WCHAR* pch, LONG cch);
|
||
|
|
|
||
|
|
BOOL SetNewFont();
|
||
|
|
BOOL FindDrawEntry(LONG cp);
|
||
|
|
|
||
|
|
//Rotation wrappers;
|
||
|
|
void EraseTextOut(HDC hdc, const RECTUV *prc, BOOL fSimple = FALSE);
|
||
|
|
|
||
|
|
BOOL RenderChunk(LONG &cchChunk, const WCHAR *pchRender, LONG cch);
|
||
|
|
LONG RenderTabs(LONG cchChunk);
|
||
|
|
BOOL RenderBullet();
|
||
|
|
|
||
|
|
public:
|
||
|
|
CRenderer (const CDisplay * const pdp);
|
||
|
|
CRenderer (const CDisplay * const pdp, const CRchTxtPtr &rtp);
|
||
|
|
~CRenderer ();
|
||
|
|
|
||
|
|
void operator =(const CLine& li) {*(CLine*)this = li;}
|
||
|
|
|
||
|
|
BOOL IsSimpleBackground() const;
|
||
|
|
void RenderExtTextOut(POINTUV ptuv, UINT fuOptions, RECT *prc, PCWSTR pch, UINT cch, const INT *rgdxp);
|
||
|
|
|
||
|
|
BOOL EraseRect(const RECTUV *prc, COLORREF crBack);
|
||
|
|
void EraseLine();
|
||
|
|
|
||
|
|
COLORREF GetDefaultBackColor() const {return _crBackground;}
|
||
|
|
COLORREF GetDefaultTextColor() const {return _crTextColor;}
|
||
|
|
COLORREF GetTextColor(const CCharFormat *pCF);
|
||
|
|
void SetDefaultBackColor(COLORREF cr);
|
||
|
|
void SetDefaultTextColor(COLORREF cr);
|
||
|
|
void SetTextColor(COLORREF cr);
|
||
|
|
void SetSelected(BOOL f) {_fSelected = f;}
|
||
|
|
void SetErase(BOOL f) {_fErase = f;}
|
||
|
|
|
||
|
|
const POINTUV& GetCurPoint() const {return _ptCur;}
|
||
|
|
void SetCurPoint(const POINTUV &pt) {_ptCur = pt;}
|
||
|
|
void SetRcView(const RECTUV *prcView){_rcView = *prcView; _rcRender = *prcView;}
|
||
|
|
void SetRcViewTop(LONG top) {_rcView.top = top;}
|
||
|
|
void SetRcBottoms(LONG botv, LONG botr) {_rcView.bottom = botv; _rcRender.bottom = botr;}
|
||
|
|
const RECTUV& GetRcRender() {return _rcRender;}
|
||
|
|
const RECTUV& GetRcView() {return _rcView;}
|
||
|
|
|
||
|
|
const RECTUV& GetClipRect() const {return _rc;}
|
||
|
|
void SetClipRect(void);
|
||
|
|
void SetClipLeftRight(LONG dup);
|
||
|
|
HDC GetDC() const {return _hdc;}
|
||
|
|
|
||
|
|
BOOL StartRender(const RECTUV &rcView, const RECTUV &rcRender);
|
||
|
|
|
||
|
|
LONG DrawTableBorders(const CParaFormat *pPF, LONG x, LONG yHeightRow,
|
||
|
|
LONG iDrawBottomLine, LONG dulRow,
|
||
|
|
const CParaFormat *pPFAbove);
|
||
|
|
COLORREF GetColorFromIndex(LONG icr, BOOL fForeColor,
|
||
|
|
const CParaFormat *pPF) const;
|
||
|
|
COLORREF GetShadedColorFromIndices(LONG icrf, LONG icrb, LONG iShading, //@parm Shading in .01 percent
|
||
|
|
const CParaFormat *pPF) const;
|
||
|
|
void DrawWrappedObjects(CLine *pliFirst, CLine *pliLast, LONG cpFirst, const POINTUV &ptFirst);
|
||
|
|
void EndRender(CLine *pliFirst, CLine *pliLast, LONG cpFirst, const POINTUV &ptFirst);
|
||
|
|
void FillRectWithColor(const RECTUV *prc, COLORREF cr);
|
||
|
|
void NewLine (const CLine &li);
|
||
|
|
BOOL RenderLine(CLine &li, BOOL fLastLine);
|
||
|
|
void RenderOffscreenBitmap(HDC hdc, LONG dup, LONG dvp);
|
||
|
|
BOOL RenderOutlineSymbol();
|
||
|
|
HDC StartLine(CLine &li, BOOL fLastLine, LONG &cpSelMin, LONG &cpSelMost, LONG &dup, LONG &dvp);
|
||
|
|
void EraseToBottom();
|
||
|
|
void EndLine(HDC hdcSave, LONG dup, LONG dvp);
|
||
|
|
void RenderStrikeOut(LONG upStart, LONG vpStart, LONG dup, LONG dvp);
|
||
|
|
void RenderUnderline(LONG upStart, LONG vpStart, LONG dup, LONG dvp);
|
||
|
|
void DrawLine(const POINTUV &ptStart, const POINTUV &ptEnd);
|
||
|
|
void SetFontAndColor(const CCharFormat *pCF);
|
||
|
|
HDC SetupOffscreenDC(LONG& dup, LONG& dvp, BOOL fLastLine);
|
||
|
|
void SetupUnderline(BYTE bULType, BYTE bULColorIdx, COLORREF crULColor = tomAutoColor);
|
||
|
|
CONVERTMODE GetConvertMode();
|
||
|
|
BOOL fFEFontOnNonFEWin9x() {return _fFEFontOnNonFEWin9x;}
|
||
|
|
BOOL UseXOR(COLORREF cr);
|
||
|
|
BOOL fDisplayDC() { return _fDisplayDC; }
|
||
|
|
};
|
||
|
|
|
||
|
|
/*
|
||
|
|
* BottomOfRender (rcView, rcRender)
|
||
|
|
*
|
||
|
|
* @mfunc
|
||
|
|
* Calculate maximum logical unit to render.
|
||
|
|
*
|
||
|
|
* @rdesc
|
||
|
|
* Maximum pixel to render
|
||
|
|
*
|
||
|
|
* @devnote
|
||
|
|
* This function exists to allow the renderer and dispml to be able
|
||
|
|
* to calculate the maximum pixel for rendering in exactly the same
|
||
|
|
* way.
|
||
|
|
*/
|
||
|
|
inline LONG BottomOfRender(const RECTUV& rcView, const RECTUV& rcRender)
|
||
|
|
{
|
||
|
|
return min(rcView.bottom, rcRender.bottom);
|
||
|
|
}
|
||
|
|
|
||
|
|
class CBrush
|
||
|
|
{
|
||
|
|
COLORREF _cr; // Current color
|
||
|
|
HBRUSH _hbrushOld; // HBRUSH when CBrush is created
|
||
|
|
HBRUSH _hbrush; // Current HBRUSH
|
||
|
|
CRenderer * _pre; // Renderer to use (for rotation)
|
||
|
|
|
||
|
|
public:
|
||
|
|
CBrush(CRenderer *pre) {_pre = pre; _hbrush = 0;}
|
||
|
|
~CBrush();
|
||
|
|
|
||
|
|
void Draw(LONG u1, LONG v1, LONG u2, LONG v2, LONG dxpLine,
|
||
|
|
COLORREF cr, BOOL fHideGridlines);
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif
|