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Sweden-Number/dlls/wineps/font.c

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