400 lines
12 KiB
C
400 lines
12 KiB
C
/*
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* PostScript driver font functions
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*
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* Copyright 1998 Huw D M Davies
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*
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*/
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#include <string.h>
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#include "winspool.h"
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#include "psdrv.h"
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#include "debugtools.h"
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#include "gdi.h"
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#include "winerror.h"
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DEFAULT_DEBUG_CHANNEL(psdrv);
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/***********************************************************************
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* PSDRV_FONT_SelectObject
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*/
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HFONT16 PSDRV_FONT_SelectObject( DC * dc, HFONT16 hfont,
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FONTOBJ *font )
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{
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HFONT16 prevfont = dc->hFont;
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PSDRV_PDEVICE *physDev = (PSDRV_PDEVICE *)dc->physDev;
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LOGFONTW *lf = &(font->logfont);
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BOOL bd = FALSE, it = FALSE;
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AFMLISTENTRY *afmle;
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AFM *afm;
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FONTFAMILY *family;
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char FaceName[LF_FACESIZE];
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TRACE("FaceName = %s Height = %ld Italic = %d Weight = %ld\n",
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debugstr_w(lf->lfFaceName), lf->lfHeight, lf->lfItalic,
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lf->lfWeight);
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dc->hFont = hfont;
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if(lf->lfItalic)
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it = TRUE;
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if(lf->lfWeight > 550)
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bd = TRUE;
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WideCharToMultiByte(CP_ACP, 0, lf->lfFaceName, -1,
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FaceName, sizeof(FaceName), NULL, NULL);
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if(FaceName[0] == '\0') {
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switch(lf->lfPitchAndFamily & 0xf0) {
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case FF_DONTCARE:
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break;
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case FF_ROMAN:
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case FF_SCRIPT:
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strcpy(FaceName, "Times");
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break;
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case FF_SWISS:
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strcpy(FaceName, "Helvetica");
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break;
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case FF_MODERN:
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strcpy(FaceName, "Courier");
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break;
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case FF_DECORATIVE:
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strcpy(FaceName, "Symbol");
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break;
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}
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}
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if(FaceName[0] == '\0') {
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switch(lf->lfPitchAndFamily & 0x0f) {
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case VARIABLE_PITCH:
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strcpy(FaceName, "Times");
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break;
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default:
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strcpy(FaceName, "Courier");
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break;
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}
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}
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if (physDev->pi->FontSubTableSize != 0)
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{
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DWORD i;
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for (i = 0; i < physDev->pi->FontSubTableSize; ++i)
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{
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if (!strcasecmp (FaceName,
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physDev->pi->FontSubTable[i].pValueName))
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{
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TRACE ("substituting facename '%s' for '%s'\n",
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(LPSTR) physDev->pi->FontSubTable[i].pData, FaceName);
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if (strlen ((LPSTR) physDev->pi->FontSubTable[i].pData) <
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LF_FACESIZE)
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strcpy (FaceName,
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(LPSTR) physDev->pi->FontSubTable[i].pData);
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else
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WARN ("Facename '%s' is too long; ignoring substitution\n",
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(LPSTR) physDev->pi->FontSubTable[i].pData);
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break;
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}
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}
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}
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TRACE("Trying to find facename '%s'\n", FaceName);
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/* Look for a matching font family */
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for(family = physDev->pi->Fonts; family; family = family->next) {
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if(!strcasecmp(FaceName, family->FamilyName))
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break;
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}
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if(!family) {
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/* Fallback for Window's font families to common PostScript families */
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if(!strcmp(FaceName, "Arial"))
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strcpy(FaceName, "Helvetica");
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else if(!strcmp(FaceName, "System"))
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strcpy(FaceName, "Helvetica");
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else if(!strcmp(FaceName, "Times New Roman"))
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strcpy(FaceName, "Times");
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else if(!strcmp(FaceName, "Courier New"))
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strcpy(FaceName, "Courier");
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for(family = physDev->pi->Fonts; family; family = family->next) {
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if(!strcmp(FaceName, family->FamilyName))
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break;
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}
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}
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/* If all else fails, use the first font defined for the printer */
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if(!family)
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family = physDev->pi->Fonts;
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TRACE("Got family '%s'\n", family->FamilyName);
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for(afmle = family->afmlist; afmle; afmle = afmle->next) {
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if( (bd == (afmle->afm->Weight == FW_BOLD)) &&
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(it == (afmle->afm->ItalicAngle != 0.0)) )
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break;
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}
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if(!afmle)
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afmle = family->afmlist; /* not ideal */
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afm = afmle->afm;
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physDev->font.afm = afm;
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physDev->font.tm.tmHeight = INTERNAL_YWSTODS(dc, lf->lfHeight);
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if(physDev->font.tm.tmHeight < 0) {
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physDev->font.tm.tmHeight *= - (afm->FullAscender - afm->Descender) /
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(afm->Ascender - afm->Descender);
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TRACE("Fixed -ve height to %ld\n", physDev->font.tm.tmHeight);
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}
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physDev->font.size = physDev->font.tm.tmHeight * 1000.0 /
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(afm->FullAscender - afm->Descender);
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physDev->font.scale = physDev->font.size / 1000.0;
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physDev->font.escapement = lf->lfEscapement;
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physDev->font.tm.tmAscent = afm->FullAscender * physDev->font.scale;
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physDev->font.tm.tmDescent = -afm->Descender * physDev->font.scale;
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physDev->font.tm.tmInternalLeading = (afm->FullAscender - afm->Ascender)
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* physDev->font.scale;
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physDev->font.tm.tmExternalLeading = (1000.0 - afm->FullAscender)
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* physDev->font.scale; /* ?? */
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physDev->font.tm.tmAveCharWidth = afm->CharWidths[120] * /* x */
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physDev->font.scale;
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physDev->font.tm.tmMaxCharWidth = afm->CharWidths[77] * /* M */
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physDev->font.scale;
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physDev->font.tm.tmWeight = afm->Weight;
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physDev->font.tm.tmItalic = afm->ItalicAngle != 0.0;
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physDev->font.tm.tmUnderlined = lf->lfUnderline;
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physDev->font.tm.tmStruckOut = lf->lfStrikeOut;
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physDev->font.tm.tmFirstChar = 32;
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physDev->font.tm.tmLastChar = 251;
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physDev->font.tm.tmDefaultChar = 128;
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physDev->font.tm.tmBreakChar = 32;
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physDev->font.tm.tmPitchAndFamily = afm->IsFixedPitch ? 0 :
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TMPF_FIXED_PITCH;
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physDev->font.tm.tmPitchAndFamily |= TMPF_DEVICE;
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physDev->font.tm.tmCharSet = ANSI_CHARSET;
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physDev->font.tm.tmOverhang = 0;
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physDev->font.tm.tmDigitizedAspectX = dc->devCaps->logPixelsY;
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physDev->font.tm.tmDigitizedAspectY = dc->devCaps->logPixelsX;
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physDev->font.set = FALSE;
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TRACE("Selected PS font '%s' size %d weight %ld.\n",
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physDev->font.afm->FontName, physDev->font.size,
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physDev->font.tm.tmWeight );
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TRACE("H = %ld As = %ld Des = %ld IL = %ld EL = %ld\n",
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physDev->font.tm.tmHeight, physDev->font.tm.tmAscent,
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physDev->font.tm.tmDescent, physDev->font.tm.tmInternalLeading,
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physDev->font.tm.tmExternalLeading);
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return prevfont;
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}
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/***********************************************************************
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* PSDRV_GetTextMetrics
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*/
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BOOL PSDRV_GetTextMetrics(DC *dc, TEXTMETRICW *metrics)
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{
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PSDRV_PDEVICE *physDev = (PSDRV_PDEVICE *)dc->physDev;
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memcpy(metrics, &(physDev->font.tm), sizeof(physDev->font.tm));
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return TRUE;
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}
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/***********************************************************************
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* PSDRV_UnicodeToANSI
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*/
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char PSDRV_UnicodeToANSI(int u)
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{
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if((u & 0xff) == u)
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return u;
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switch(u) {
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case 0x2013: /* endash */
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return 0x96;
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case 0x2014: /* emdash */
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return 0x97;
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case 0x2018: /* quoteleft */
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return 0x91;
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case 0x2019: /* quoteright */
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return 0x92;
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case 0x201c: /* quotedblleft */
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return 0x93;
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case 0x201d: /* quotedblright */
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return 0x94;
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case 0x2022: /* bullet */
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return 0x95;
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default:
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WARN("Umapped unicode char U%04x\n", u);
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return 0xff;
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}
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}
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/***********************************************************************
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* PSDRV_GetTextExtentPoint
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*/
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BOOL PSDRV_GetTextExtentPoint( DC *dc, LPCWSTR str, INT count,
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LPSIZE size )
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{
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PSDRV_PDEVICE *physDev = (PSDRV_PDEVICE *)dc->physDev;
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INT i;
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float width;
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width = 0.0;
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for(i = 0; i < count && str[i]; i++) {
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char c = PSDRV_UnicodeToANSI(str[i]);
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width += physDev->font.afm->CharWidths[(int)(unsigned char)c];
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/* TRACE(psdrv, "Width after %dth char '%c' = %f\n", i, str[i], width);*/
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}
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width *= physDev->font.scale;
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TRACE("Width after scale (%f) is %f\n", physDev->font.scale, width);
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size->cx = GDI_ROUND((FLOAT)width * dc->xformVport2World.eM11);
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size->cy = GDI_ROUND((FLOAT)physDev->font.tm.tmHeight * dc->xformVport2World.eM22);
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return TRUE;
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}
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/***********************************************************************
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* PSDRV_GetCharWidth
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*/
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BOOL PSDRV_GetCharWidth( DC *dc, UINT firstChar, UINT lastChar,
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LPINT buffer )
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{
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PSDRV_PDEVICE *physDev = (PSDRV_PDEVICE *)dc->physDev;
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UINT i;
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TRACE("first = %d last = %d\n", firstChar, lastChar);
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if(lastChar > 0xff) return FALSE;
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for( i = firstChar; i <= lastChar; i++ )
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*buffer++ = physDev->font.afm->CharWidths[i] * physDev->font.scale;
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return TRUE;
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}
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/***********************************************************************
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* PSDRV_SetFont
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*/
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BOOL PSDRV_SetFont( DC *dc )
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{
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PSDRV_PDEVICE *physDev = (PSDRV_PDEVICE *)dc->physDev;
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BOOL ReEncode = FALSE;
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PSDRV_WriteSetColor(dc, &physDev->font.color);
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if(physDev->font.set) return TRUE;
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if(physDev->font.afm->EncodingScheme &&
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!strcmp(physDev->font.afm->EncodingScheme, "AdobeStandardEncoding"))
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ReEncode = TRUE;
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if(ReEncode)
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PSDRV_WriteReencodeFont(dc);
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PSDRV_WriteSetFont(dc, ReEncode);
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physDev->font.set = TRUE;
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return TRUE;
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}
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/***********************************************************************
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* PSDRV_GetFontMetric
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*/
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static UINT PSDRV_GetFontMetric(HDC hdc, AFM *pafm, NEWTEXTMETRICEXW *pTM,
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ENUMLOGFONTEXW *pLF, INT16 size)
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{
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DC *dc = DC_GetDCPtr( hdc );
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float scale = size / (pafm->FullAscender - pafm->Descender);
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if (!dc) return FALSE;
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memset( pLF, 0, sizeof(*pLF) );
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memset( pTM, 0, sizeof(*pTM) );
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#define plf ((LPLOGFONTW)pLF)
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#define ptm ((LPNEWTEXTMETRICW)pTM)
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plf->lfHeight = ptm->tmHeight = size;
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plf->lfWidth = ptm->tmAveCharWidth = pafm->CharWidths[120] * scale;
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plf->lfWeight = ptm->tmWeight = pafm->Weight;
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plf->lfItalic = ptm->tmItalic = pafm->ItalicAngle != 0.0;
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plf->lfUnderline = ptm->tmUnderlined = 0;
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plf->lfStrikeOut = ptm->tmStruckOut = 0;
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plf->lfCharSet = ptm->tmCharSet = ANSI_CHARSET;
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/* convert pitch values */
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ptm->tmPitchAndFamily = pafm->IsFixedPitch ? 0 : TMPF_FIXED_PITCH;
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ptm->tmPitchAndFamily |= TMPF_DEVICE;
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plf->lfPitchAndFamily = 0;
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MultiByteToWideChar(CP_ACP, 0, pafm->FamilyName, -1,
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plf->lfFaceName, LF_FACESIZE);
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#undef plf
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ptm->tmAscent = pafm->FullAscender * scale;
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ptm->tmDescent = -pafm->Descender * scale;
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ptm->tmInternalLeading = (pafm->FullAscender - pafm->Ascender) * scale;
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ptm->tmMaxCharWidth = pafm->CharWidths[77] * scale;
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ptm->tmDigitizedAspectX = dc->devCaps->logPixelsY;
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ptm->tmDigitizedAspectY = dc->devCaps->logPixelsX;
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*(INT*)&ptm->tmFirstChar = 32;
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GDI_ReleaseObj( hdc );
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/* return font type */
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return DEVICE_FONTTYPE;
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#undef ptm
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}
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/***********************************************************************
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* PSDRV_EnumDeviceFonts
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*/
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BOOL PSDRV_EnumDeviceFonts( HDC hdc, LPLOGFONTW plf,
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DEVICEFONTENUMPROC proc, LPARAM lp )
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{
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ENUMLOGFONTEXW lf;
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NEWTEXTMETRICEXW tm;
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BOOL b, bRet = 0;
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AFMLISTENTRY *afmle;
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FONTFAMILY *family;
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PSDRV_PDEVICE *physDev;
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char FaceName[LF_FACESIZE];
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DC *dc = DC_GetDCPtr( hdc );
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if (!dc) return FALSE;
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physDev = (PSDRV_PDEVICE *)dc->physDev;
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/* FIXME!! should reevaluate dc->physDev after every callback */
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GDI_ReleaseObj( hdc );
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if( plf->lfFaceName[0] ) {
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WideCharToMultiByte(CP_ACP, 0, plf->lfFaceName, -1,
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FaceName, sizeof(FaceName), NULL, NULL);
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TRACE("lfFaceName = '%s'\n", FaceName);
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for(family = physDev->pi->Fonts; family; family = family->next) {
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if(!strncmp(FaceName, family->FamilyName,
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strlen(family->FamilyName)))
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break;
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}
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if(family) {
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for(afmle = family->afmlist; afmle; afmle = afmle->next) {
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TRACE("Got '%s'\n", afmle->afm->FontName);
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if( (b = (*proc)( &lf, &tm,
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PSDRV_GetFontMetric( hdc, afmle->afm, &tm, &lf, 200 ),
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lp )) )
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bRet = b;
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else break;
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}
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}
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} else {
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TRACE("lfFaceName = NULL\n");
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for(family = physDev->pi->Fonts; family; family = family->next) {
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afmle = family->afmlist;
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TRACE("Got '%s'\n", afmle->afm->FontName);
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if( (b = (*proc)( &lf, &tm,
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PSDRV_GetFontMetric( hdc, afmle->afm, &tm, &lf, 200 ),
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lp )) )
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bRet = b;
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else break;
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}
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}
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return bRet;
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}
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