Make EnumFonts and SelectObject use common font scaling.
This commit is contained in:
Ian Pilcher
Alexandre Julliard
parent
de42428f23
commit
ec74ea3e98
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@ -24,33 +24,28 @@ inline static float round(float f)
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return (f > 0) ? (f + 0.5) : (f - 0.5);
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}
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static void ScaleFont(DC *dc, LOGFONTW *lf, PSDRV_PDEVICE *physDev)
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static VOID ScaleFont(const AFM *afm, LONG lfHeight, PSFONT *font,
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TEXTMETRICW *tm)
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{
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PSFONT *font = &(physDev->font);
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const WINMETRICS *wm = &(font->afm->WinMetrics);
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TEXTMETRICW *tm = &(font->tm);
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LONG lfHeight_ds;
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const WINMETRICS *wm = &(afm->WinMetrics);
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USHORT usUnitsPerEm, usWinAscent, usWinDescent;
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SHORT sAscender, sDescender, sLineGap, sTypoAscender;
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SHORT sTypoDescender, sTypoLineGap, sAvgCharWidth;
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TRACE("'%s' %li\n", font->afm->FontName, lf->lfHeight);
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TRACE("'%s' %li\n", afm->FontName, lfHeight);
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lfHeight_ds = INTERNAL_YWSTODS(dc, lf->lfHeight); /* world->viewport */
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if (lfHeight_ds < 0) /* match em height */
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if (lfHeight < 0) /* match em height */
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{
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font->scale = - ((float)lfHeight_ds / (float)(wm->usUnitsPerEm));
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font->scale = - ((float)lfHeight / (float)(wm->usUnitsPerEm));
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}
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else /* match cell height */
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{
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font->scale = (float)lfHeight_ds /
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font->scale = (float)lfHeight /
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(float)(wm->usWinAscent + wm->usWinDescent);
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}
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physDev->font.size = (INT)round(font->scale * (float)wm->usUnitsPerEm);
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physDev->font.escapement = lf->lfEscapement;
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physDev->font.set = FALSE;
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font->size = (INT)round(font->scale * (float)wm->usUnitsPerEm);
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font->set = FALSE;
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usUnitsPerEm = (USHORT)round((float)(wm->usUnitsPerEm) * font->scale);
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sAscender = (SHORT)round((float)(wm->sAscender) * font->scale);
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@ -76,37 +71,25 @@ static void ScaleFont(DC *dc, LOGFONTW *lf, PSDRV_PDEVICE *physDev)
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if (tm->tmExternalLeading < 0)
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tm->tmExternalLeading = 0;
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/*
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* Character widths are stored as PostScript metrics, which assume an
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* em square size of 1000.
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*/
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tm->tmAveCharWidth = (LONG)sAvgCharWidth;
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tm->tmMaxCharWidth = (LONG)round(
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(font->afm->FontBBox.urx - font->afm->FontBBox.llx) *
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font->scale * (float)(wm->usUnitsPerEm) / 1000.0);
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tm->tmWeight = font->afm->Weight;
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tm->tmItalic = (font->afm->ItalicAngle != 0.0);
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tm->tmWeight = afm->Weight;
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tm->tmItalic = (afm->ItalicAngle != 0.0);
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tm->tmUnderlined = 0;
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tm->tmStruckOut = 0;
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tm->tmFirstChar = (WCHAR)(font->afm->Metrics[0].UV);
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tm->tmLastChar =
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(WCHAR)(font->afm->Metrics[font->afm->NumofMetrics - 1].UV);
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tm->tmFirstChar = (WCHAR)(afm->Metrics[0].UV);
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tm->tmLastChar = (WCHAR)(afm->Metrics[afm->NumofMetrics - 1].UV);
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tm->tmDefaultChar = 0x001f; /* Win2K does this - FIXME? */
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tm->tmBreakChar = tm->tmFirstChar; /* should be 'space' */
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/* Assume that a font with an em square size of 1000 is a PostScript font */
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tm->tmPitchAndFamily = (font->afm->IsFixedPitch ? 0 : TMPF_FIXED_PITCH) |
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((wm->usUnitsPerEm == 1000) ? TMPF_DEVICE : TMPF_TRUETYPE) |
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TMPF_VECTOR; /* TMPF_VECTOR always set per Win32 API doc */
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tm->tmPitchAndFamily = TMPF_DEVICE | TMPF_VECTOR;
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if (!afm->IsFixedPitch)
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tm->tmPitchAndFamily |= TMPF_FIXED_PITCH; /* yes, it's backwards */
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if (wm->usUnitsPerEm != 1000)
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tm->tmPitchAndFamily |= TMPF_TRUETYPE;
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tm->tmCharSet = ANSI_CHARSET; /* FIXME */
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tm->tmOverhang = 0;
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tm->tmDigitizedAspectX = physDev->logPixelsY;
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tm->tmDigitizedAspectY = physDev->logPixelsX;
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/*
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* This is kludgy. font->scale is used in several places in the driver
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@ -117,13 +100,14 @@ static void ScaleFont(DC *dc, LOGFONTW *lf, PSDRV_PDEVICE *physDev)
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font->scale *= (float)wm->usUnitsPerEm / 1000.0;
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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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tm->tmMaxCharWidth = (LONG)round(
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(afm->FontBBox.urx - afm->FontBBox.llx) * font->scale);
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TRACE("Selected PS font '%s' size %d weight %ld.\n", afm->FontName,
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font->size, tm->tmWeight );
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TRACE("H = %ld As = %ld Des = %ld IL = %ld EL = %ld\n", tm->tmHeight,
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tm->tmAscent, tm->tmDescent, tm->tmInternalLeading,
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tm->tmExternalLeading);
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}
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/***********************************************************************
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@ -248,7 +232,15 @@ HFONT PSDRV_FONT_SelectObject( DC * dc, HFONT hfont )
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TRACE("Got font '%s'\n", afmle->afm->FontName);
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physDev->font.afm = afmle->afm;
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ScaleFont(dc, &lf, physDev);
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ScaleFont(physDev->font.afm, INTERNAL_YWSTODS(dc, lf.lfHeight),
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&(physDev->font), &(physDev->font.tm));
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physDev->font.escapement = lf.lfEscapement;
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/* Does anyone know if these are supposed to be reversed like this? */
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physDev->font.tm.tmDigitizedAspectX = physDev->logPixelsY;
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physDev->font.tm.tmDigitizedAspectY = physDev->logPixelsX;
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return prevfont;
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}
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@ -374,48 +366,32 @@ BOOL PSDRV_SetFont( DC *dc )
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/***********************************************************************
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* PSDRV_GetFontMetric
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*/
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static UINT PSDRV_GetFontMetric(HDC hdc, const AFM *pafm,
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NEWTEXTMETRICEXW *pTM, ENUMLOGFONTEXW *pLF, INT16 size)
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static UINT PSDRV_GetFontMetric(HDC hdc, const AFM *afm,
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NEWTEXTMETRICEXW *ntmx, ENUMLOGFONTEXW *elfx)
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{
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float scale = size / (pafm->FullAscender - pafm->Descender);
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/* ntmx->ntmTm is NEWTEXTMETRICW; compatible w/ TEXTMETRICW per Win32 doc */
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memset( pLF, 0, sizeof(*pLF) );
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memset( pTM, 0, sizeof(*pTM) );
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TEXTMETRICW *tm = (TEXTMETRICW *)&(ntmx->ntmTm);
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LOGFONTW *lf = &(elfx->elfLogFont);
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PSFONT font;
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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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memset(ntmx, 0, sizeof(*ntmx));
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memset(elfx, 0, sizeof(*elfx));
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/* convert pitch values */
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ScaleFont(afm, -(LONG)(afm->WinMetrics.usUnitsPerEm), &font, tm);
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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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lf->lfHeight = tm->tmHeight;
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lf->lfWidth = tm->tmAveCharWidth;
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lf->lfWeight = tm->tmWeight;
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lf->lfItalic = tm->tmItalic;
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lf->lfCharSet = tm->tmCharSet;
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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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lf->lfPitchAndFamily = (afm->IsFixedPitch) ? FIXED_PITCH : VARIABLE_PITCH;
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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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/* FIXME: X and Y are swapped here, is this on purpose? */
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ptm->tmDigitizedAspectX = GetDeviceCaps( hdc, LOGPIXELSY );
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ptm->tmDigitizedAspectY = GetDeviceCaps( hdc, LOGPIXELSX );
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MultiByteToWideChar(CP_ACP, 0, afm->FamilyName, -1, lf->lfFaceName,
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LF_FACESIZE);
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*(INT*)&ptm->tmFirstChar = 32;
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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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@ -451,7 +427,7 @@ BOOL PSDRV_EnumDeviceFonts( HDC hdc, LPLOGFONTW plf,
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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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PSDRV_GetFontMetric( hdc, afmle->afm, &tm, &lf ),
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lp )) )
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bRet = b;
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else break;
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@ -464,7 +440,7 @@ BOOL PSDRV_EnumDeviceFonts( HDC hdc, LPLOGFONTW plf,
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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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PSDRV_GetFontMetric( hdc, afmle->afm, &tm, &lf ),
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lp )) )
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bRet = b;
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else break;
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