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67ccc0880c
Implemented cp932 handling partly(but still incomplete). Added supporting multiple fonts for DBCS handling.
423 lines
9.8 KiB
C
423 lines
9.8 KiB
C
/*
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* X11 codepage handling
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*
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* Copyright 2000 Hidenori Takeshima <hidenori@a2.ctktv.ne.jp>
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*/
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#include "config.h"
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#include "ts_xlib.h"
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#include "windef.h"
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#include "winnls.h"
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#include "heap.h"
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#include "x11font.h"
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#include "debugtools.h"
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DEFAULT_DEBUG_CHANNEL(text);
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static BYTE X11DRV_enum_subfont_charset_normal( UINT index )
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{
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return DEFAULT_CHARSET;
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}
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static BYTE X11DRV_enum_subfont_charset_cp932( UINT index )
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{
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switch ( index )
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{
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/* FIXME: should treat internal charset... */
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case 0: return ANSI_CHARSET; /*return X11FONT_JISX0201_CHARSET;*/
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/*case 1: return X11FONT_JISX0212_CHARSET;*/
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}
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return DEFAULT_CHARSET;
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}
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static BYTE X11DRV_enum_subfont_charset_cp936( UINT index )
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{
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FIXME( "please implement X11DRV_enum_subfont_charset_cp936!\n" );
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return DEFAULT_CHARSET;
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}
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static BYTE X11DRV_enum_subfont_charset_cp949( UINT index )
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{
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switch ( index )
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{
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case 0: return ANSI_CHARSET;
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}
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return DEFAULT_CHARSET;
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}
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static BYTE X11DRV_enum_subfont_charset_cp950( UINT index )
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{
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FIXME( "please implement X11DRV_enum_subfont_charset_cp950!\n" );
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return DEFAULT_CHARSET;
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}
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static XChar2b* X11DRV_unicode_to_char2b_sbcs( fontObject* pfo,
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LPCWSTR lpwstr, UINT count )
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{
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XChar2b *str2b;
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UINT i;
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BYTE *str;
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UINT codepage = pfo->fi->codepage;
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char ch = pfo->fs->default_char;
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if (!(str2b = HeapAlloc( GetProcessHeap(), 0, count * sizeof(XChar2b) )))
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return NULL;
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if (!(str = HeapAlloc( GetProcessHeap(), 0, count )))
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{
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HeapFree( GetProcessHeap(), 0, str2b );
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return NULL;
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}
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WideCharToMultiByte( codepage, 0, lpwstr, count, str, count, &ch, NULL );
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for (i = 0; i < count; i++)
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{
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str2b[i].byte1 = 0;
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str2b[i].byte2 = str[i];
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}
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HeapFree( GetProcessHeap(), 0, str );
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return str2b;
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}
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static XChar2b* X11DRV_unicode_to_char2b_unicode( fontObject* pfo,
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LPCWSTR lpwstr, UINT count )
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{
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XChar2b *str2b;
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UINT i;
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if (!(str2b = HeapAlloc( GetProcessHeap(), 0, count * sizeof(XChar2b) )))
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return NULL;
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for (i = 0; i < count; i++)
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{
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str2b[i].byte1 = lpwstr[i] >> 8;
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str2b[i].byte2 = lpwstr[i] & 0xff;
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}
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return str2b;
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}
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/* FIXME: handle jisx0212.1990... */
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static XChar2b* X11DRV_unicode_to_char2b_cp932( fontObject* pfo,
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LPCWSTR lpwstr, UINT count )
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{
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XChar2b *str2b;
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XChar2b *str2b_dst;
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BYTE *str;
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BYTE *str_src;
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UINT i;
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UINT codepage = pfo->fi->codepage;
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char ch = pfo->fs->default_char;
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if (!(str2b = HeapAlloc( GetProcessHeap(), 0, count * sizeof(XChar2b) )))
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return NULL;
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if (!(str = HeapAlloc( GetProcessHeap(), 0, count*2 )))
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{
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HeapFree( GetProcessHeap(), 0, str2b );
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return NULL;
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}
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WideCharToMultiByte( codepage, 0, lpwstr, count, str, count*2, &ch, NULL );
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str_src = str;
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str2b_dst = str2b;
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for (i = 0; i < count; i++, str_src++, str2b_dst++)
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{
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if ( ( *str_src >= (BYTE)0x80 && *str_src <= (BYTE)0x9f ) ||
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( *str_src >= (BYTE)0xe0 && *str_src <= (BYTE)0xfc ) )
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{
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unsigned int high, low;
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high = (unsigned int)*str_src;
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low = (unsigned int)*(str_src+1);
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if ( high <= 0x9f )
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high = (high<<1) - 0xe0;
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else
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high = (high<<1) - 0x160;
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if ( low < 0x9f )
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{
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high --;
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if ( low < 0x7f )
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low -= 0x1f;
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else
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low -= 0x20;
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}
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else
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{
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low -= 0x7e;
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}
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str2b_dst->byte1 = (unsigned char)high;
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str2b_dst->byte2 = (unsigned char)low;
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str_src++;
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}
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else
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{
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str2b_dst->byte1 = 0;
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str2b_dst->byte2 = *str_src;
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}
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}
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HeapFree( GetProcessHeap(), 0, str );
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return str2b;
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}
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static XChar2b* X11DRV_unicode_to_char2b_cp936( fontObject* pfo,
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LPCWSTR lpwstr, UINT count )
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{
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FIXME( "please implement X11DRV_unicode_to_char2b_cp936!\n" );
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return NULL;
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}
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static XChar2b* X11DRV_unicode_to_char2b_cp949( fontObject* pfo,
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LPCWSTR lpwstr, UINT count )
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{
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XChar2b *str2b;
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XChar2b *str2b_dst;
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BYTE *str;
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BYTE *str_src;
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UINT i;
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UINT codepage = pfo->fi->codepage;
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char ch = pfo->fs->default_char;
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if (!(str2b = HeapAlloc( GetProcessHeap(), 0, count * sizeof(XChar2b) )))
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return NULL;
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if (!(str = HeapAlloc( GetProcessHeap(), 0, count*2 )))
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{
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HeapFree( GetProcessHeap(), 0, str2b );
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return NULL;
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}
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WideCharToMultiByte( codepage, 0, lpwstr, count, str, count*2, &ch, NULL );
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str_src = str;
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str2b_dst = str2b;
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for (i = 0; i < count; i++, str_src++, str2b_dst++)
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{
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if ( (*str_src) & (BYTE)0x80 )
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{
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str2b_dst->byte1 = (*str_src) & 0x7f;
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str2b_dst->byte2 = (*(str_src+1)) & 0x7f;
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str_src++;
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}
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else
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{
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str2b_dst->byte1 = 0;
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str2b_dst->byte2 = *str_src;
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}
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}
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HeapFree( GetProcessHeap(), 0, str );
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return str2b;
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}
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static XChar2b* X11DRV_unicode_to_char2b_cp950( fontObject* pfo,
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LPCWSTR lpwstr, UINT count )
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{
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FIXME( "please implement X11DRV_unicode_to_char2b_cp950!\n" );
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return NULL;
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}
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static void X11DRV_DrawString_normal( fontObject* pfo, Display* pdisp,
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Drawable d, GC gc, int x, int y,
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XChar2b* pstr, int count )
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{
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TSXDrawString16( pdisp, d, gc, x, y, pstr, count );
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}
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static int X11DRV_TextWidth_normal( fontObject* pfo, XChar2b* pstr, int count )
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{
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return TSXTextWidth16( pfo->fs, pstr, count );
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}
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static void X11DRV_DrawText_normal( fontObject* pfo, Display* pdisp, Drawable d,
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GC gc, int x, int y, XTextItem16* pitems,
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int count )
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{
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TSXDrawText16( pdisp, d, gc, x, y, pitems, count );
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}
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static void X11DRV_TextExtents_normal( fontObject* pfo, XChar2b* pstr, int count,
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int* pdir, int* pascent, int* pdescent,
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int* pwidth )
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{
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XCharStruct info;
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TSXTextExtents16( pfo->fs, pstr, count, pdir, pascent, pdescent, &info );
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*pwidth = info.width;
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}
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static
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void X11DRV_DrawString_cp932( fontObject* pfo, Display* pdisp,
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Drawable d, GC gc, int x, int y,
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XChar2b* pstr, int count )
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{
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int i;
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fontObject* pfo_ansi = XFONT_GetFontObject( pfo->prefobjs[0] );
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for ( i = 0; i < count; i++ )
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{
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if ( pstr->byte1 != (BYTE)0 )
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{
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TSXSetFont( pdisp, gc, pfo->fs->fid );
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TSXDrawString16( pdisp, d, gc, x, y, pstr, 1 );
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x += TSXTextWidth16( pfo->fs, pstr, 1 );
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}
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else
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{
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if ( pfo_ansi != NULL )
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{
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TSXSetFont( pdisp, gc, pfo_ansi->fs->fid );
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TSXDrawString16( pdisp, d, gc, x, y, pstr, 1 );
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x += TSXTextWidth16( pfo_ansi->fs, pstr, 1 );
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}
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}
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pstr ++;
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}
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}
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static
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int X11DRV_TextWidth_cp932( fontObject* pfo, XChar2b* pstr, int count )
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{
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int i;
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int width;
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fontObject* pfo_ansi = XFONT_GetFontObject( pfo->prefobjs[0] );
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width = 0;
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for ( i = 0; i < count; i++ )
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{
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if ( pstr->byte1 != (BYTE)0 )
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{
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width += TSXTextWidth16( pfo->fs, pstr, 1 );
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}
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else
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{
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if ( pfo_ansi != NULL )
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{
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width += TSXTextWidth16( pfo_ansi->fs, pstr, 1 );
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}
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}
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pstr ++;
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}
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return width;
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}
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static
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void X11DRV_DrawText_cp932( fontObject* pfo, Display* pdisp, Drawable d,
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GC gc, int x, int y, XTextItem16* pitems,
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int count )
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{
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FIXME( "ignore SBCS\n" );
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TSXDrawText16( pdisp, d, gc, x, y, pitems, count );
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}
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static
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void X11DRV_TextExtents_cp932( fontObject* pfo, XChar2b* pstr, int count,
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int* pdir, int* pascent, int* pdescent,
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int* pwidth )
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{
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XCharStruct info;
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int ascent, descent, width;
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int i;
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fontObject* pfo_ansi = XFONT_GetFontObject( pfo->prefobjs[0] );
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width = 0;
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*pascent = 0;
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*pdescent = 0;
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for ( i = 0; i < count; i++ )
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{
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if ( pstr->byte1 != (BYTE)0 )
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{
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TSXTextExtents16( pfo->fs, pstr, 1, pdir,
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&ascent, &descent, &info );
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if ( *pascent < ascent ) *pascent = ascent;
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if ( *pdescent < descent ) *pdescent = descent;
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width += info.width;
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}
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else
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{
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if ( pfo_ansi != NULL )
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{
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TSXTextExtents16( pfo_ansi->fs, pstr, 1, pdir,
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&ascent, &descent, &info );
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if ( *pascent < ascent ) *pascent = ascent;
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if ( *pdescent < descent ) *pdescent = descent;
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width += info.width;
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}
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}
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pstr ++;
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}
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*pwidth = width;
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}
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const X11DRV_CP X11DRV_cptable[X11DRV_CPTABLE_COUNT] =
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{
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{ /* SBCS */
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X11DRV_enum_subfont_charset_normal,
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X11DRV_unicode_to_char2b_sbcs,
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X11DRV_DrawString_normal,
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X11DRV_TextWidth_normal,
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X11DRV_DrawText_normal,
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X11DRV_TextExtents_normal,
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},
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{ /* UNICODE */
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X11DRV_enum_subfont_charset_normal,
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X11DRV_unicode_to_char2b_unicode,
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X11DRV_DrawString_normal,
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X11DRV_TextWidth_normal,
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X11DRV_DrawText_normal,
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X11DRV_TextExtents_normal,
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},
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{ /* CP932 */
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X11DRV_enum_subfont_charset_cp932,
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X11DRV_unicode_to_char2b_cp932,
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X11DRV_DrawString_cp932,
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X11DRV_TextWidth_cp932,
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X11DRV_DrawText_cp932,
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X11DRV_TextExtents_cp932,
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},
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{ /* CP936 */
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X11DRV_enum_subfont_charset_cp936,
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X11DRV_unicode_to_char2b_cp936,
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X11DRV_DrawString_normal, /* FIXME */
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X11DRV_TextWidth_normal, /* FIXME */
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X11DRV_DrawText_normal, /* FIXME */
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X11DRV_TextExtents_normal, /* FIXME */
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},
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{ /* CP949 */
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X11DRV_enum_subfont_charset_cp949,
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X11DRV_unicode_to_char2b_cp949,
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X11DRV_DrawString_normal, /* FIXME */
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X11DRV_TextWidth_normal, /* FIXME */
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X11DRV_DrawText_normal, /* FIXME */
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X11DRV_TextExtents_normal, /* FIXME */
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},
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{ /* CP950 */
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X11DRV_enum_subfont_charset_cp950,
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X11DRV_unicode_to_char2b_cp950,
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X11DRV_DrawString_normal, /* FIXME */
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X11DRV_TextWidth_normal, /* FIXME */
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X11DRV_DrawText_normal, /* FIXME */
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X11DRV_TextExtents_normal, /* FIXME */
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},
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};
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