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Sweden-Number/graphics/x11drv/codepage.c

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/*
* X11 codepage handling
*
* Copyright 2000 Hidenori Takeshima <hidenori@a2.ctktv.ne.jp>
*/
#include "config.h"
#include "ts_xlib.h"
#include <math.h>
#include "windef.h"
#include "winnls.h"
#include "heap.h"
#include "x11font.h"
#include "debugtools.h"
DEFAULT_DEBUG_CHANNEL(text);
/***********************************************************************
* IsLegalDBCSChar for cp932/936/949/950/euc
*/
static inline
int IsLegalDBCSChar_cp932( BYTE lead, BYTE trail )
{
return ( ( ( lead >= (BYTE)0x81 && lead <= (BYTE)0x9f ) ||
( lead >= (BYTE)0xe0 && lead <= (BYTE)0xfc ) ) &&
( ( trail >= (BYTE)0x40 && trail <= (BYTE)0x7e ) ||
( trail >= (BYTE)0x80 && trail <= (BYTE)0xfc ) ) );
}
static inline
int IsLegalDBCSChar_cp936( BYTE lead, BYTE trail )
{
return ( ( lead >= (BYTE)0x81 && lead <= (BYTE)0xfe ) &&
( trail >= (BYTE)0x40 && trail <= (BYTE)0xfe ) );
}
static inline
int IsLegalDBCSChar_cp949( BYTE lead, BYTE trail )
{
return ( ( lead >= (BYTE)0x81 && lead <= (BYTE)0xfe ) &&
( trail >= (BYTE)0x41 && trail <= (BYTE)0xfe ) );
}
static inline
int IsLegalDBCSChar_cp950( BYTE lead, BYTE trail )
{
return ( ( lead >= (BYTE)0x81 && lead <= (BYTE)0xfe ) &&
( ( trail >= (BYTE)0x40 && trail <= (BYTE)0x7e ) ||
( trail >= (BYTE)0xa1 && trail <= (BYTE)0xfe ) ) );
}
static inline
int IsLegalDBCSChar_euc( BYTE lead, BYTE trail )
{
return ( ( lead >= (BYTE)0xa1 && lead <= (BYTE)0xfe ) &&
( trail >= (BYTE)0xa1 && trail <= (BYTE)0xfe ) );
}
/***********************************************************************
* DBCSCharToXChar2b for cp932/euc
*/
static inline
void DBCSCharToXChar2b_cp932( XChar2b* pch, BYTE lead, BYTE trail )
{
unsigned int high, low;
high = (unsigned int)lead;
low = (unsigned int)trail;
if ( high <= 0x9f )
high = (high<<1) - 0xe0;
else
high = (high<<1) - 0x160;
if ( low < 0x9f )
{
high --;
if ( low < 0x7f )
low -= 0x1f;
else
low -= 0x20;
}
else
{
low -= 0x7e;
}
pch->byte1 = (unsigned char)high;
pch->byte2 = (unsigned char)low;
}
static inline
void DBCSCharToXChar2b_euc( XChar2b* pch, BYTE lead, BYTE trail )
{
pch->byte1 = lead & (BYTE)0x7f;
pch->byte2 = trail & (BYTE)0x7f;
}
static WORD X11DRV_enum_subfont_charset_normal( UINT index )
{
return DEFAULT_CHARSET;
}
static WORD X11DRV_enum_subfont_charset_cp932( UINT index )
{
switch ( index )
{
case 0: return X11FONT_JISX0201_CHARSET;
case 1: return X11FONT_JISX0212_CHARSET;
}
return DEFAULT_CHARSET;
}
static WORD X11DRV_enum_subfont_charset_cp936( UINT index )
{
switch ( index )
{
case 0: return ANSI_CHARSET;
}
return DEFAULT_CHARSET;
}
static WORD X11DRV_enum_subfont_charset_cp949( UINT index )
{
switch ( index )
{
case 0: return ANSI_CHARSET;
}
return DEFAULT_CHARSET;
}
static WORD X11DRV_enum_subfont_charset_cp950( UINT index )
{
FIXME( "please implement X11DRV_enum_subfont_charset_cp950!\n" );
return DEFAULT_CHARSET;
}
static XChar2b* X11DRV_unicode_to_char2b_sbcs( fontObject* pfo,
LPCWSTR lpwstr, UINT count )
{
XChar2b *str2b;
UINT i;
BYTE *str;
UINT codepage = pfo->fi->codepage;
char ch = pfo->fs->default_char;
if (!(str2b = HeapAlloc( GetProcessHeap(), 0, count * sizeof(XChar2b) )))
return NULL;
if (!(str = HeapAlloc( GetProcessHeap(), 0, count )))
{
HeapFree( GetProcessHeap(), 0, str2b );
return NULL;
}
WideCharToMultiByte( codepage, 0, lpwstr, count, str, count, &ch, NULL );
for (i = 0; i < count; i++)
{
str2b[i].byte1 = 0;
str2b[i].byte2 = str[i];
}
HeapFree( GetProcessHeap(), 0, str );
return str2b;
}
static XChar2b* X11DRV_unicode_to_char2b_unicode( fontObject* pfo,
LPCWSTR lpwstr, UINT count )
{
XChar2b *str2b;
UINT i;
if (!(str2b = HeapAlloc( GetProcessHeap(), 0, count * sizeof(XChar2b) )))
return NULL;
for (i = 0; i < count; i++)
{
str2b[i].byte1 = lpwstr[i] >> 8;
str2b[i].byte2 = lpwstr[i] & 0xff;
}
return str2b;
}
/* FIXME: handle jisx0212.1990... */
static XChar2b* X11DRV_unicode_to_char2b_cp932( fontObject* pfo,
LPCWSTR lpwstr, UINT count )
{
XChar2b *str2b;
XChar2b *str2b_dst;
BYTE *str;
BYTE *str_src;
UINT i;
char ch = pfo->fs->default_char;
if (!(str2b = HeapAlloc( GetProcessHeap(), 0, count * sizeof(XChar2b) )))
return NULL;
if (!(str = HeapAlloc( GetProcessHeap(), 0, count*2 )))
{
HeapFree( GetProcessHeap(), 0, str2b );
return NULL;
}
/* handle jisx0212.1990... */
WideCharToMultiByte( 932, 0, lpwstr, count, str, count*2, &ch, NULL );
str_src = str;
str2b_dst = str2b;
for (i = 0; i < count; i++, str_src++, str2b_dst++)
{
if ( IsLegalDBCSChar_cp932( *str_src, *(str_src+1) ) )
{
DBCSCharToXChar2b_cp932( str2b_dst, *str_src, *(str_src+1) );
str_src++;
}
else
{
str2b_dst->byte1 = 0;
str2b_dst->byte2 = *str_src;
}
}
HeapFree( GetProcessHeap(), 0, str );
return str2b;
}
static XChar2b* X11DRV_unicode_to_char2b_cp936( fontObject* pfo,
LPCWSTR lpwstr, UINT count )
{
XChar2b *str2b;
XChar2b *str2b_dst;
BYTE *str;
BYTE *str_src;
UINT i;
char ch = pfo->fs->default_char;
if (!(str2b = HeapAlloc( GetProcessHeap(), 0, count * sizeof(XChar2b) )))
return NULL;
if (!(str = HeapAlloc( GetProcessHeap(), 0, count*2 )))
{
HeapFree( GetProcessHeap(), 0, str2b );
return NULL;
}
WideCharToMultiByte( 936, 0, lpwstr, count, str, count*2, &ch, NULL );
str_src = str;
str2b_dst = str2b;
for (i = 0; i < count; i++, str_src++, str2b_dst++)
{
if ( IsLegalDBCSChar_cp936( *str_src, *(str_src+1) ) )
{
if ( IsLegalDBCSChar_euc( *str_src, *(str_src+1) ) )
{
DBCSCharToXChar2b_euc( str2b_dst, *str_src, *(str_src+1) );
}
else
{
/* FIXME */
str2b_dst->byte1 = 0;
str2b_dst->byte2 = 0;
}
str_src++;
}
else
{
str2b_dst->byte1 = 0;
str2b_dst->byte2 = *str_src;
}
}
HeapFree( GetProcessHeap(), 0, str );
return str2b;
}
static XChar2b* X11DRV_unicode_to_char2b_cp949( fontObject* pfo,
LPCWSTR lpwstr, UINT count )
{
XChar2b *str2b;
XChar2b *str2b_dst;
BYTE *str;
BYTE *str_src;
UINT i;
char ch = pfo->fs->default_char;
if (!(str2b = HeapAlloc( GetProcessHeap(), 0, count * sizeof(XChar2b) )))
return NULL;
if (!(str = HeapAlloc( GetProcessHeap(), 0, count*2 )))
{
HeapFree( GetProcessHeap(), 0, str2b );
return NULL;
}
WideCharToMultiByte( 949, 0, lpwstr, count, str, count*2, &ch, NULL );
str_src = str;
str2b_dst = str2b;
for (i = 0; i < count; i++, str_src++, str2b_dst++)
{
if ( IsLegalDBCSChar_cp949( *str_src, *(str_src+1) ) )
{
if ( IsLegalDBCSChar_euc( *str_src, *(str_src+1) ) )
{
DBCSCharToXChar2b_euc( str2b_dst, *str_src, *(str_src+1) );
}
else
{
/* FIXME */
str2b_dst->byte1 = 0;
str2b_dst->byte2 = 0;
}
str_src++;
}
else
{
str2b_dst->byte1 = 0;
str2b_dst->byte2 = *str_src;
}
}
HeapFree( GetProcessHeap(), 0, str );
return str2b;
}
static XChar2b* X11DRV_unicode_to_char2b_cp950( fontObject* pfo,
LPCWSTR lpwstr, UINT count )
{
FIXME( "please implement X11DRV_unicode_to_char2b_cp950!\n" );
return NULL;
}
static void X11DRV_DrawString_normal( fontObject* pfo, Display* pdisp,
Drawable d, GC gc, int x, int y,
XChar2b* pstr, int count )
{
TSXDrawString16( pdisp, d, gc, x, y, pstr, count );
}
static int X11DRV_TextWidth_normal( fontObject* pfo, XChar2b* pstr, int count )
{
return TSXTextWidth16( pfo->fs, pstr, count );
}
static void X11DRV_DrawText_normal( fontObject* pfo, Display* pdisp, Drawable d,
GC gc, int x, int y, XTextItem16* pitems,
int count )
{
TSXDrawText16( pdisp, d, gc, x, y, pitems, count );
}
static void X11DRV_TextExtents_normal( fontObject* pfo, XChar2b* pstr, int count,
int* pdir, int* pascent, int* pdescent,
int* pwidth )
{
XCharStruct info;
TSXTextExtents16( pfo->fs, pstr, count, pdir, pascent, pdescent, &info );
*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;
}
static
void X11DRV_DrawString_dbcs( fontObject* pfo, Display* pdisp,
Drawable d, GC gc, int x, int y,
XChar2b* pstr, int count )
{
XTextItem16 item;
item.chars = pstr;
item.delta = 0;
item.nchars = count;
item.font = None;
X11DRV_cptable[pfo->fi->cptable].pDrawText(
pfo, pdisp, d, gc, x, y, &item, 1 );
}
static
int X11DRV_TextWidth_dbcs_2fonts( fontObject* pfo, XChar2b* pstr, int count )
{
int i;
int width;
int curfont;
fontObject* pfos[X11FONT_REFOBJS_MAX+1];
pfos[0] = XFONT_GetFontObject( pfo->prefobjs[0] );
pfos[1] = pfo;
if ( pfos[0] == NULL ) pfos[0] = pfo;
width = 0;
for ( i = 0; i < count; i++ )
{
curfont = ( pstr->byte1 != 0 ) ? 1 : 0;
width += TSXTextWidth16( pfos[curfont]->fs, pstr, 1 );
pstr ++;
}
return width;
}
static
void X11DRV_DrawText_dbcs_2fonts( fontObject* pfo, Display* pdisp, Drawable d,
GC gc, int x, int y, XTextItem16* pitems,
int count )
{
int i, nitems, prevfont = -1, curfont;
XChar2b* pstr;
XTextItem16* ptibuf;
XTextItem16* pti;
fontObject* pfos[X11FONT_REFOBJS_MAX+1];
pfos[0] = XFONT_GetFontObject( pfo->prefobjs[0] );
pfos[1] = pfo;
if ( pfos[0] == NULL ) pfos[0] = pfo;
nitems = 0;
for ( i = 0; i < count; i++ )
nitems += pitems->nchars;
ptibuf = HeapAlloc( GetProcessHeap(), 0, sizeof(XTextItem16) * nitems );
if ( ptibuf == NULL )
return; /* out of memory */
pti = ptibuf;
while ( count-- > 0 )
{
pti->chars = pstr = pitems->chars;
pti->delta = pitems->delta;
pti->font = None;
for ( i = 0; i < pitems->nchars; i++, pstr++ )
{
curfont = ( pstr->byte1 != 0 ) ? 1 : 0;
if ( curfont != prevfont )
{
if ( pstr != pti->chars )
{
pti->nchars = pstr - pti->chars;
pti ++;
pti->chars = pstr;
pti->delta = 0;
}
pti->font = pfos[curfont]->fs->fid;
prevfont = curfont;
}
}
pti->nchars = pstr - pti->chars;
pitems ++; pti ++;
}
TSXDrawText16( pdisp, d, gc, x, y, ptibuf, pti - ptibuf );
HeapFree( GetProcessHeap(), 0, ptibuf );
}
static
void X11DRV_TextExtents_dbcs_2fonts( fontObject* pfo, XChar2b* pstr, int count,
int* pdir, int* pascent, int* pdescent,
int* pwidth )
{
XCharStruct info;
int ascent, descent, width;
int i;
int curfont;
fontObject* pfos[X11FONT_REFOBJS_MAX+1];
pfos[0] = XFONT_GetFontObject( pfo->prefobjs[0] );
pfos[1] = pfo;
if ( pfos[0] == NULL ) pfos[0] = pfo;
width = 0;
*pascent = 0;
*pdescent = 0;
for ( i = 0; i < count; i++ )
{
curfont = ( pstr->byte1 != 0 ) ? 1 : 0;
TSXTextExtents16( pfos[curfont]->fs, pstr, 1, pdir,
&ascent, &descent, &info );
if ( *pascent < ascent ) *pascent = ascent;
if ( *pdescent < descent ) *pdescent = descent;
width += info.width;
pstr ++;
}
*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] =
{
{ /* SBCS */
X11DRV_enum_subfont_charset_normal,
X11DRV_unicode_to_char2b_sbcs,
X11DRV_DrawString_normal,
X11DRV_TextWidth_normal,
X11DRV_DrawText_normal,
X11DRV_TextExtents_normal,
X11DRV_GetTextMetricsA_normal,
},
{ /* UNICODE */
X11DRV_enum_subfont_charset_normal,
X11DRV_unicode_to_char2b_unicode,
X11DRV_DrawString_normal,
X11DRV_TextWidth_normal,
X11DRV_DrawText_normal,
X11DRV_TextExtents_normal,
X11DRV_GetTextMetricsA_normal,
},
{ /* CP932 */
X11DRV_enum_subfont_charset_cp932,
X11DRV_unicode_to_char2b_cp932,
X11DRV_DrawString_dbcs,
X11DRV_TextWidth_dbcs_2fonts,
X11DRV_DrawText_dbcs_2fonts,
X11DRV_TextExtents_dbcs_2fonts,
X11DRV_GetTextMetricsA_cp932,
},
{ /* CP936 */
X11DRV_enum_subfont_charset_cp936,
X11DRV_unicode_to_char2b_cp936,
X11DRV_DrawString_dbcs,
X11DRV_TextWidth_dbcs_2fonts,
X11DRV_DrawText_dbcs_2fonts,
X11DRV_TextExtents_dbcs_2fonts,
X11DRV_GetTextMetricsA_normal, /* FIXME */
},
{ /* CP949 */
X11DRV_enum_subfont_charset_cp949,
X11DRV_unicode_to_char2b_cp949,
X11DRV_DrawString_dbcs,
X11DRV_TextWidth_dbcs_2fonts,
X11DRV_DrawText_dbcs_2fonts,
X11DRV_TextExtents_dbcs_2fonts,
X11DRV_GetTextMetricsA_normal, /* FIXME */
},
{ /* CP950 */
X11DRV_enum_subfont_charset_cp950,
X11DRV_unicode_to_char2b_cp950,
X11DRV_DrawString_normal, /* FIXME */
X11DRV_TextWidth_normal, /* FIXME */
X11DRV_DrawText_normal, /* FIXME */
X11DRV_TextExtents_normal, /* FIXME */
X11DRV_GetTextMetricsA_normal, /* FIXME */
},
};
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