Separate GetTextMetrics and implement it for SBCS/Unicode/cp932.

This commit is contained in:
Hidenori Takeshima 2000-08-18 23:44:58 +00:00 committed by Alexandre Julliard
parent 61cb6ca9fc
commit b7392f5c2e
3 changed files with 135 additions and 62 deletions

View File

@ -8,6 +8,8 @@
#include "ts_xlib.h"
#include <math.h>
#include "windef.h"
#include "winnls.h"
#include "heap.h"
@ -259,6 +261,60 @@ static void X11DRV_TextExtents_normal( fontObject* pfo, XChar2b* pstr, int count
*pwidth = info.width;
}
static void X11DRV_GetTextMetricsA_normal( fontObject* pfo, LPTEXTMETRICA pTM )
{
LPIFONTINFO16 pdf = &pfo->fi->df;
if( ! pfo->lpX11Trans ) {
pTM->tmAscent = pfo->fs->ascent;
pTM->tmDescent = pfo->fs->descent;
} else {
pTM->tmAscent = pfo->lpX11Trans->ascent;
pTM->tmDescent = pfo->lpX11Trans->descent;
}
pTM->tmAscent *= pfo->rescale;
pTM->tmDescent *= pfo->rescale;
pTM->tmHeight = pTM->tmAscent + pTM->tmDescent;
pTM->tmAveCharWidth = pfo->foAvgCharWidth * pfo->rescale;
pTM->tmMaxCharWidth = pfo->foMaxCharWidth * pfo->rescale;
pTM->tmInternalLeading = pfo->foInternalLeading * pfo->rescale;
pTM->tmExternalLeading = pdf->dfExternalLeading * pfo->rescale;
pTM->tmStruckOut = (pfo->fo_flags & FO_SYNTH_STRIKEOUT )
? 1 : pdf->dfStrikeOut;
pTM->tmUnderlined = (pfo->fo_flags & FO_SYNTH_UNDERLINE )
? 1 : pdf->dfUnderline;
pTM->tmOverhang = 0;
if( pfo->fo_flags & FO_SYNTH_ITALIC )
{
pTM->tmOverhang += pTM->tmHeight/3;
pTM->tmItalic = 1;
} else
pTM->tmItalic = pdf->dfItalic;
pTM->tmWeight = pdf->dfWeight;
if( pfo->fo_flags & FO_SYNTH_BOLD )
{
pTM->tmOverhang++;
pTM->tmWeight += 100;
}
pTM->tmFirstChar = pdf->dfFirstChar;
pTM->tmLastChar = pdf->dfLastChar;
pTM->tmDefaultChar = pdf->dfDefaultChar;
pTM->tmBreakChar = pdf->dfBreakChar;
pTM->tmCharSet = pdf->dfCharSet;
pTM->tmPitchAndFamily = pdf->dfPitchAndFamily;
pTM->tmDigitizedAspectX = pdf->dfHorizRes;
pTM->tmDigitizedAspectY = pdf->dfVertRes;
}
@ -367,6 +423,75 @@ void X11DRV_TextExtents_cp932( fontObject* pfo, XChar2b* pstr, int count,
*pwidth = width;
}
static void X11DRV_GetTextMetricsA_cp932( fontObject* pfo, LPTEXTMETRICA pTM )
{
fontObject* pfo_ansi = XFONT_GetFontObject( pfo->prefobjs[0] );
LPIFONTINFO16 pdf = &pfo->fi->df;
LPIFONTINFO16 pdf_ansi;
pdf_ansi = ( pfo_ansi != NULL ) ? (&pfo_ansi->fi->df) : pdf;
if( ! pfo->lpX11Trans ) {
pTM->tmAscent = pfo->fs->ascent;
pTM->tmDescent = pfo->fs->descent;
} else {
pTM->tmAscent = pfo->lpX11Trans->ascent;
pTM->tmDescent = pfo->lpX11Trans->descent;
}
pTM->tmAscent *= pfo->rescale;
pTM->tmDescent *= pfo->rescale;
pTM->tmHeight = pTM->tmAscent + pTM->tmDescent;
if ( pfo_ansi != NULL )
{
pTM->tmAveCharWidth = floor((pfo_ansi->foAvgCharWidth * 2.0 + pfo->foAvgCharWidth) / 3.0 * pfo->rescale + 0.5);
pTM->tmMaxCharWidth = __max(pfo_ansi->foMaxCharWidth, pfo->foMaxCharWidth) * pfo->rescale;
}
else
{
pTM->tmAveCharWidth = floor((pfo->foAvgCharWidth * pfo->rescale + 1.0) / 2.0);
pTM->tmMaxCharWidth = pfo->foMaxCharWidth * pfo->rescale;
}
pTM->tmInternalLeading = pfo->foInternalLeading * pfo->rescale;
pTM->tmExternalLeading = pdf->dfExternalLeading * pfo->rescale;
pTM->tmStruckOut = (pfo->fo_flags & FO_SYNTH_STRIKEOUT )
? 1 : pdf->dfStrikeOut;
pTM->tmUnderlined = (pfo->fo_flags & FO_SYNTH_UNDERLINE )
? 1 : pdf->dfUnderline;
pTM->tmOverhang = 0;
if( pfo->fo_flags & FO_SYNTH_ITALIC )
{
pTM->tmOverhang += pTM->tmHeight/3;
pTM->tmItalic = 1;
} else
pTM->tmItalic = pdf->dfItalic;
pTM->tmWeight = pdf->dfWeight;
if( pfo->fo_flags & FO_SYNTH_BOLD )
{
pTM->tmOverhang++;
pTM->tmWeight += 100;
}
pTM->tmFirstChar = pdf_ansi->dfFirstChar;
pTM->tmLastChar = pdf_ansi->dfLastChar;
pTM->tmDefaultChar = pdf_ansi->dfDefaultChar;
pTM->tmBreakChar = pdf_ansi->dfBreakChar;
pTM->tmCharSet = pdf->dfCharSet;
pTM->tmPitchAndFamily = pdf->dfPitchAndFamily;
pTM->tmDigitizedAspectX = pdf->dfHorizRes;
pTM->tmDigitizedAspectY = pdf->dfVertRes;
}
const X11DRV_CP X11DRV_cptable[X11DRV_CPTABLE_COUNT] =
@ -378,6 +503,7 @@ const X11DRV_CP X11DRV_cptable[X11DRV_CPTABLE_COUNT] =
X11DRV_TextWidth_normal,
X11DRV_DrawText_normal,
X11DRV_TextExtents_normal,
X11DRV_GetTextMetricsA_normal,
},
{ /* UNICODE */
X11DRV_enum_subfont_charset_normal,
@ -386,6 +512,7 @@ const X11DRV_CP X11DRV_cptable[X11DRV_CPTABLE_COUNT] =
X11DRV_TextWidth_normal,
X11DRV_DrawText_normal,
X11DRV_TextExtents_normal,
X11DRV_GetTextMetricsA_normal,
},
{ /* CP932 */
X11DRV_enum_subfont_charset_cp932,
@ -394,6 +521,7 @@ const X11DRV_CP X11DRV_cptable[X11DRV_CPTABLE_COUNT] =
X11DRV_TextWidth_cp932,
X11DRV_DrawText_cp932,
X11DRV_TextExtents_cp932,
X11DRV_GetTextMetricsA_cp932,
},
{ /* CP936 */
X11DRV_enum_subfont_charset_cp936,
@ -402,6 +530,7 @@ const X11DRV_CP X11DRV_cptable[X11DRV_CPTABLE_COUNT] =
X11DRV_TextWidth_normal, /* FIXME */
X11DRV_DrawText_normal, /* FIXME */
X11DRV_TextExtents_normal, /* FIXME */
X11DRV_GetTextMetricsA_normal, /* FIXME */
},
{ /* CP949 */
X11DRV_enum_subfont_charset_cp949,
@ -410,6 +539,7 @@ const X11DRV_CP X11DRV_cptable[X11DRV_CPTABLE_COUNT] =
X11DRV_TextWidth_normal, /* FIXME */
X11DRV_DrawText_normal, /* FIXME */
X11DRV_TextExtents_normal, /* FIXME */
X11DRV_GetTextMetricsA_normal, /* FIXME */
},
{ /* CP950 */
X11DRV_enum_subfont_charset_cp950,
@ -418,5 +548,6 @@ const X11DRV_CP X11DRV_cptable[X11DRV_CPTABLE_COUNT] =
X11DRV_TextWidth_normal, /* FIXME */
X11DRV_DrawText_normal, /* FIXME */
X11DRV_TextExtents_normal, /* FIXME */
X11DRV_GetTextMetricsA_normal, /* FIXME */
},
};

View File

@ -991,7 +991,8 @@ static INT XFONT_GetAvgCharWidth( LPIFONTINFO16 pFI, const XFontStruct* x_fs,
if( x_fs->per_char )
{
int width = 0, chars = 0, j;
if( IS_LATIN_CHARSET(pFI->dfCharSet))
if( IS_LATIN_CHARSET(pFI->dfCharSet) ||
pFI->dfCharSet == DEFAULT_CHARSET )
{
/* FIXME - should use a weighted average */
for( j = 0; j < 26; j++ )
@ -1076,66 +1077,6 @@ static void XFONT_SetFontMetric(fontInfo* fi, const fontResource* fr, XFontStruc
fi->df.dfFace = fr->lfFaceName;
}
/***********************************************************************
* XFONT_GetTextMetrics
*
* GetTextMetrics() back end.
*/
static void XFONT_GetTextMetrics( const fontObject* pfo, const LPTEXTMETRICA pTM )
{
LPIFONTINFO16 pdf = &pfo->fi->df;
if( ! pfo->lpX11Trans ) {
pTM->tmAscent = pfo->fs->ascent;
pTM->tmDescent = pfo->fs->descent;
} else {
pTM->tmAscent = pfo->lpX11Trans->ascent;
pTM->tmDescent = pfo->lpX11Trans->descent;
}
pTM->tmAscent *= pfo->rescale;
pTM->tmDescent *= pfo->rescale;
pTM->tmHeight = pTM->tmAscent + pTM->tmDescent;
pTM->tmAveCharWidth = pfo->foAvgCharWidth * pfo->rescale;
pTM->tmMaxCharWidth = pfo->foMaxCharWidth * pfo->rescale;
pTM->tmInternalLeading = pfo->foInternalLeading * pfo->rescale;
pTM->tmExternalLeading = pdf->dfExternalLeading * pfo->rescale;
pTM->tmStruckOut = (pfo->fo_flags & FO_SYNTH_STRIKEOUT )
? 1 : pdf->dfStrikeOut;
pTM->tmUnderlined = (pfo->fo_flags & FO_SYNTH_UNDERLINE )
? 1 : pdf->dfUnderline;
pTM->tmOverhang = 0;
if( pfo->fo_flags & FO_SYNTH_ITALIC )
{
pTM->tmOverhang += pTM->tmHeight/3;
pTM->tmItalic = 1;
} else
pTM->tmItalic = pdf->dfItalic;
pTM->tmWeight = pdf->dfWeight;
if( pfo->fo_flags & FO_SYNTH_BOLD )
{
pTM->tmOverhang++;
pTM->tmWeight += 100;
}
pTM->tmFirstChar = pdf->dfFirstChar;
pTM->tmLastChar = pdf->dfLastChar;
pTM->tmDefaultChar = pdf->dfDefaultChar;
pTM->tmBreakChar = pdf->dfBreakChar;
pTM->tmCharSet = pdf->dfCharSet;
pTM->tmPitchAndFamily = pdf->dfPitchAndFamily;
pTM->tmDigitizedAspectX = pdf->dfHorizRes;
pTM->tmDigitizedAspectY = pdf->dfVertRes;
}
/***********************************************************************
* XFONT_GetFontMetric
*
@ -3103,7 +3044,7 @@ BOOL X11DRV_GetTextMetrics(DC *dc, TEXTMETRICA *metrics)
if( CHECK_PFONT(physDev->font) )
{
fontObject* pfo = __PFONT(physDev->font);
XFONT_GetTextMetrics( pfo, metrics );
X11DRV_cptable[pfo->fi->cptable].pGetTextMetricsA( pfo, metrics );
return TRUE;
}

View File

@ -242,6 +242,7 @@ typedef struct tagX11DRV_CP
void (*pTextExtents)( fontObject* pfo, XChar2b* pstr, int count,
int* pdir, int* pascent, int* pdescent,
int* pwidth );
void (*pGetTextMetricsA)( fontObject* pfo, LPTEXTMETRICA pTM );
} X11DRV_CP;
extern const X11DRV_CP X11DRV_cptable[X11DRV_CPTABLE_COUNT];