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339 lines
10 KiB
C
339 lines
10 KiB
C
/*
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* PostScript driver text functions
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*
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* Copyright 1998 Huw D M Davies
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <string.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <math.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "psdrv.h"
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#include "winspool.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(psdrv);
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static BOOL PSDRV_Text(PSDRV_PDEVICE *physDev, INT x, INT y, UINT flags,
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LPCWSTR str, UINT count,
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BOOL bDrawBackground, const INT *lpDx);
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/***********************************************************************
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* PSDRV_ExtTextOut
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*/
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BOOL PSDRV_ExtTextOut( PSDRV_PDEVICE *physDev, INT x, INT y, UINT flags,
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const RECT *lprect, LPCWSTR str, UINT count,
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const INT *lpDx, INT breakExtra )
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{
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BOOL bResult = TRUE;
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BOOL bClipped = FALSE;
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BOOL bOpaque = FALSE;
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RECT rect;
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TRACE("(x=%d, y=%d, flags=0x%08x, str=%s, count=%d, lpDx=%p)\n", x, y,
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flags, debugstr_wn(str, count), count, lpDx);
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/* write font if not already written */
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PSDRV_SetFont(physDev);
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PSDRV_SetClip(physDev);
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/* set clipping and/or draw background */
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if ((flags & (ETO_CLIPPED | ETO_OPAQUE)) && (lprect != NULL))
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{
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rect = *lprect;
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LPtoDP( physDev->hdc, (POINT *)&rect, 2 );
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PSDRV_WriteGSave(physDev);
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PSDRV_WriteRectangle(physDev, rect.left, rect.top, rect.right - rect.left,
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rect.bottom - rect.top);
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if (flags & ETO_OPAQUE)
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{
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bOpaque = TRUE;
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PSDRV_WriteGSave(physDev);
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PSDRV_WriteSetColor(physDev, &physDev->bkColor);
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PSDRV_WriteFill(physDev);
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PSDRV_WriteGRestore(physDev);
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}
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if (flags & ETO_CLIPPED)
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{
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bClipped = TRUE;
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PSDRV_WriteClip(physDev);
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}
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bResult = PSDRV_Text(physDev, x, y, flags, str, count, !(bClipped && bOpaque), lpDx);
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PSDRV_WriteGRestore(physDev);
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}
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else
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{
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bResult = PSDRV_Text(physDev, x, y, flags, str, count, TRUE, lpDx);
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}
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PSDRV_ResetClip(physDev);
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return bResult;
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}
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/***********************************************************************
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* PSDRV_Text
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*/
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static BOOL PSDRV_Text(PSDRV_PDEVICE *physDev, INT x, INT y, UINT flags, LPCWSTR str,
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UINT count, BOOL bDrawBackground, const INT *lpDx)
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{
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SIZE sz;
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TEXTMETRICW tm;
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POINT pt;
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INT ascent, descent;
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WORD *glyphs = NULL;
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UINT align = GetTextAlign( physDev->hdc );
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INT char_extra;
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INT *deltas = NULL;
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double cosEsc, sinEsc;
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LOGFONTW lf;
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if (!count)
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return TRUE;
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GetObjectW(GetCurrentObject(physDev->hdc, OBJ_FONT), sizeof(lf), &lf);
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if(lf.lfEscapement != 0) {
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cosEsc = cos(lf.lfEscapement * M_PI / 1800);
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sinEsc = sin(lf.lfEscapement * M_PI / 1800);
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} else {
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cosEsc = 1;
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sinEsc = 0;
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}
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if(physDev->font.fontloc == Download) {
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if(flags & ETO_GLYPH_INDEX)
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glyphs = (LPWORD)str;
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else {
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glyphs = HeapAlloc(GetProcessHeap(), 0, count * sizeof(WORD));
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GetGlyphIndicesW(physDev->hdc, str, count, glyphs, 0);
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}
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}
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pt.x = x;
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pt.y = y;
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if(align & TA_UPDATECP) GetCurrentPositionEx( physDev->hdc, &pt );
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LPtoDP(physDev->hdc, &pt, 1);
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x = pt.x;
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y = pt.y;
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if(physDev->font.fontloc == Download)
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GetTextExtentPointI(physDev->hdc, glyphs, count, &sz);
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else
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GetTextExtentPoint32W(physDev->hdc, str, count, &sz);
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if((char_extra = GetTextCharacterExtra(physDev->hdc)) != 0) {
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INT i;
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SIZE tmpsz;
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deltas = HeapAlloc(GetProcessHeap(), 0, count * sizeof(INT));
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for(i = 0; i < count; i++) {
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if(lpDx)
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deltas[i] = lpDx[i] + char_extra;
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else {
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if(physDev->font.fontloc == Download)
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GetTextExtentPointI(physDev->hdc, glyphs + i, 1, &tmpsz);
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else
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GetTextExtentPoint32W(physDev->hdc, str + i, 1, &tmpsz);
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deltas[i] = tmpsz.cx;
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}
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}
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} else if(lpDx)
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deltas = (INT*)lpDx;
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if(deltas) {
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SIZE tmpsz;
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INT i;
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/* Get the width of the last char and add on all the offsets */
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if(physDev->font.fontloc == Download)
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GetTextExtentPointI(physDev->hdc, glyphs + count - 1, 1, &tmpsz);
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else
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GetTextExtentPoint32W(physDev->hdc, str + count - 1, 1, &tmpsz);
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for(i = 0; i < count-1; i++)
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tmpsz.cx += deltas[i];
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sz.cx = tmpsz.cx; /* sz.cy remains untouched */
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}
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sz.cx = PSDRV_XWStoDS(physDev, sz.cx);
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sz.cy = PSDRV_YWStoDS(physDev, sz.cy);
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GetTextMetricsW(physDev->hdc, &tm);
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ascent = abs(PSDRV_YWStoDS(physDev, tm.tmAscent));
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descent = abs(PSDRV_YWStoDS(physDev, tm.tmDescent));
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TRACE("textAlign = %x\n", align);
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switch(align & (TA_LEFT | TA_CENTER | TA_RIGHT) ) {
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case TA_LEFT:
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if(align & TA_UPDATECP)
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{
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POINT pt;
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pt.x = x + sz.cx * cosEsc;
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pt.y = y - sz.cx * sinEsc;
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DPtoLP( physDev->hdc, &pt, 1 );
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MoveToEx( physDev->hdc, pt.x, pt.y, NULL );
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}
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break;
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case TA_CENTER:
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x -= sz.cx * cosEsc / 2;
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y += sz.cx * sinEsc / 2;
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break;
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case TA_RIGHT:
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x -= sz.cx * cosEsc;
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y += sz.cx * sinEsc;
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if(align & TA_UPDATECP)
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{
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POINT pt;
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pt.x = x;
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pt.y = y;
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DPtoLP( physDev->hdc, &pt, 1 );
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MoveToEx( physDev->hdc, pt.x, pt.y, NULL );
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}
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break;
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}
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switch(align & (TA_TOP | TA_BASELINE | TA_BOTTOM) ) {
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case TA_TOP:
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y += ascent * cosEsc;
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x += ascent * sinEsc;
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break;
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case TA_BASELINE:
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break;
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case TA_BOTTOM:
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y -= descent * cosEsc;
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x -= descent * sinEsc;
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break;
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}
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if ((GetBkMode( physDev->hdc ) != TRANSPARENT) && bDrawBackground)
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{
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PSDRV_WriteGSave(physDev);
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PSDRV_WriteNewPath(physDev);
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PSDRV_WriteRectangle(physDev, x, y - ascent, sz.cx,
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ascent + descent);
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PSDRV_WriteSetColor(physDev, &physDev->bkColor);
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PSDRV_WriteFill(physDev);
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PSDRV_WriteGRestore(physDev);
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}
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PSDRV_WriteMoveTo(physDev, x, y);
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if(!deltas) {
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if(physDev->font.fontloc == Download)
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PSDRV_WriteDownloadGlyphShow(physDev, glyphs, count);
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else
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PSDRV_WriteBuiltinGlyphShow(physDev, str, count);
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}
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else {
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INT i;
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float dx = 0.0, dy = 0.0;
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float cos_theta = cos(physDev->font.escapement * M_PI / 1800.0);
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float sin_theta = sin(physDev->font.escapement * M_PI / 1800.0);
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for(i = 0; i < count-1; i++) {
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TRACE("lpDx[%d] = %d\n", i, deltas[i]);
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if(physDev->font.fontloc == Download)
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PSDRV_WriteDownloadGlyphShow(physDev, glyphs + i, 1);
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else
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PSDRV_WriteBuiltinGlyphShow(physDev, str + i, 1);
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dx += deltas[i] * cos_theta;
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dy -= deltas[i] * sin_theta;
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PSDRV_WriteMoveTo(physDev, x + PSDRV_XWStoDS(physDev, dx),
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y + PSDRV_YWStoDS(physDev, dy));
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}
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if(physDev->font.fontloc == Download)
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PSDRV_WriteDownloadGlyphShow(physDev, glyphs + i, 1);
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else
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PSDRV_WriteBuiltinGlyphShow(physDev, str + i, 1);
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if(deltas != lpDx)
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HeapFree(GetProcessHeap(), 0, deltas);
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}
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/*
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* Underline and strikeout attributes.
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*/
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if ((tm.tmUnderlined) || (tm.tmStruckOut)) {
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/* Get the thickness and the position for the underline attribute */
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/* We'll use the same thickness for the strikeout attribute */
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INT escapement = physDev->font.escapement;
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/* Do the underline */
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if (tm.tmUnderlined) {
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PSDRV_WriteNewPath(physDev); /* will be closed by WriteRectangle */
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if (escapement != 0) /* rotated text */
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{
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PSDRV_WriteGSave(physDev); /* save the graphics state */
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PSDRV_WriteMoveTo(physDev, x, y); /* move to the start */
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/* temporarily rotate the coord system */
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PSDRV_WriteRotate(physDev, -escapement/10);
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/* draw the underline relative to the starting point */
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PSDRV_WriteRRectangle(physDev, 0, -physDev->font.underlinePosition,
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sz.cx, physDev->font.underlineThickness);
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}
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else
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PSDRV_WriteRectangle(physDev, x, y - physDev->font.underlinePosition,
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sz.cx, physDev->font.underlineThickness);
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PSDRV_WriteFill(physDev);
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if (escapement != 0) /* rotated text */
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PSDRV_WriteGRestore(physDev); /* restore the graphics state */
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}
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/* Do the strikeout */
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if (tm.tmStruckOut) {
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PSDRV_WriteNewPath(physDev); /* will be closed by WriteRectangle */
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if (escapement != 0) /* rotated text */
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{
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PSDRV_WriteGSave(physDev); /* save the graphics state */
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PSDRV_WriteMoveTo(physDev, x, y); /* move to the start */
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/* temporarily rotate the coord system */
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PSDRV_WriteRotate(physDev, -escapement/10);
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/* draw the line relative to the starting point */
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PSDRV_WriteRRectangle(physDev, 0, -physDev->font.strikeoutPosition,
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sz.cx, physDev->font.strikeoutThickness);
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}
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else
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PSDRV_WriteRectangle(physDev, x, y - physDev->font.strikeoutPosition,
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sz.cx, physDev->font.strikeoutThickness);
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PSDRV_WriteFill(physDev);
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if (escapement != 0) /* rotated text */
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PSDRV_WriteGRestore(physDev); /* restore the graphics state */
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}
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}
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if(glyphs && glyphs != str) HeapFree(GetProcessHeap(), 0, glyphs);
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return TRUE;
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}
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