mirror of
https://github.com/mpv-player/mpv
synced 2024-12-23 07:12:39 +00:00
4c4a1070fe
instead of plain strlcat/strlcpy git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@23723 b3059339-0415-0410-9bf9-f77b7e298cf2
253 lines
5.8 KiB
C
253 lines
5.8 KiB
C
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <string.h>
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#include <inttypes.h>
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#include "app.h"
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#include "skin.h"
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#include "font.h"
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#include "cut.h"
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#include "../mp_msg.h"
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#include "../libavutil/avstring.h"
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int items;
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bmpFont * Fonts[26] = { NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL };
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int fntAddNewFont( char * name )
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{
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int id;
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int i;
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for( id=0;id<26;id++ )
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if ( !Fonts[id] ) break;
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if ( id == 25 ) return -2;
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if ( ( Fonts[id]=calloc( 1,sizeof( bmpFont ) ) ) == NULL ) return -1;
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av_strlcpy( Fonts[id]->name,name,128 ); // FIXME: as defined in font.h
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for ( i=0;i<256;i++ )
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Fonts[id]->Fnt[i].x=Fonts[id]->Fnt[i].y=Fonts[id]->Fnt[i].sx=Fonts[id]->Fnt[i].sy=-1;
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return id;
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}
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void fntFreeFont( void )
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{
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int i;
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for( i=0;i < 25;i++ )
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{
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if ( Fonts[i] )
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{
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if ( Fonts[i]->Bitmap.Image ) free( Fonts[i]->Bitmap.Image );
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free( Fonts[i] );
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Fonts[i]=NULL;
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}
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}
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}
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int fntRead( char * path,char * fname )
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{
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FILE * f;
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unsigned char tmp[512];
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unsigned char * ptmp;
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unsigned char command[32];
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unsigned char param[256];
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int c,linenumber = 0;
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int id = fntAddNewFont( fname );
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if ( id < 0 ) return id;
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av_strlcpy( tmp,path,sizeof( tmp ) );
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av_strlcat( tmp,fname,sizeof( tmp ) ); av_strlcat( tmp,".fnt",sizeof( tmp ) );
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if ( ( f=fopen( tmp,"rt" ) ) == NULL )
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{ free( Fonts[id] ); return -3; }
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while ( !feof( f ) )
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{
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fgets( tmp,255,f ); linenumber++;
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c=tmp[ strlen( tmp ) - 1 ]; if ( ( c == '\n' )||( c == '\r' ) ) tmp[ strlen( tmp ) - 1 ]=0;
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c=tmp[ strlen( tmp ) - 1 ]; if ( ( c == '\n' )||( c == '\r' ) ) tmp[ strlen( tmp ) - 1 ]=0;
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for ( c=0;c < (int)strlen( tmp );c++ )
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if ( tmp[c] == ';' ) { tmp[c]=0; break; }
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if ( !tmp[0] ) continue;
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ptmp=trimleft( tmp );
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if ( !tmp[0] ) continue;
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ptmp=strswap( ptmp,'\t',' ' );
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ptmp=trim( ptmp );
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cutItem( ptmp,command,'=',0 ); cutItem( ptmp,param,'=',1 );
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if ( command[0] == '"' )
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{
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int i;
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cutItem( command,command,'"',1 );
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i=(int)command[0];
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cutItem( param,tmp,',',0 ); Fonts[id]->Fnt[i].x=atoi( tmp );
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cutItem( param,tmp,',',1 ); Fonts[id]->Fnt[i].y=atoi( tmp );
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cutItem( param,tmp,',',2 ); Fonts[id]->Fnt[i].sx=atoi( tmp );
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cutItem( param,tmp,',',3 ); Fonts[id]->Fnt[i].sy=atoi( tmp );
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mp_dbg( MSGT_GPLAYER,MSGL_DBG2,"[font] char: '%s' params: %d,%d %dx%d\n",command,Fonts[id]->Fnt[i].x,Fonts[id]->Fnt[i].y,Fonts[id]->Fnt[i].sx,Fonts[id]->Fnt[i].sy );
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}
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else
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{
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if ( !strcmp( command,"image" ) )
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{
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av_strlcpy( tmp,path,sizeof( tmp ) ); av_strlcat( tmp,param,sizeof( tmp ) );
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mp_dbg( MSGT_GPLAYER,MSGL_DBG2,"[font] font imagefile: %s\n",tmp );
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if ( skinBPRead( tmp,&Fonts[id]->Bitmap ) ) return -4;
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}
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}
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}
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return 0;
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}
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int fntFindID( char * name )
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{
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int i;
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for ( i=0;i < 25;i++ )
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if ( Fonts[i] )
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if ( !strcmp( name,Fonts[i]->name ) ) return i;
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return -1;
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}
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int fntTextWidth( int id,char * str )
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{
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int size = 0;
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int i;
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if ( ( !Fonts[id] )||( !str[0] ) ) return 0;
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for ( i=0;i < (int)strlen( str );i++ )
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{
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unsigned char c = (unsigned char)str[i];
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if ( Fonts[id]->Fnt[c].sx == -1 ) c = ' ';
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size+= Fonts[id]->Fnt[ c ].sx;
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}
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return size;
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}
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int fntTextHeight( int id,char * str )
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{
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int max = 0,i;
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if ( ( !Fonts[id] )||( !str[0] ) ) return 0;
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for ( i=0;i < (int)strlen( str );i++ )
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{
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int h;
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unsigned char c = (unsigned char)str[i];
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if ( Fonts[id]->Fnt[c].sx == -1 ) c = ' ';
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h = Fonts[id]->Fnt[c].sy;
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if ( h > max ) max=h;
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}
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return max;
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}
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txSample * fntRender( wItem * item,int px,const char * fmt,... )
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{
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va_list ap;
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unsigned char p[512];
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unsigned int c;
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int i, dx = 0, tw, fbw, iw, id, ofs;
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int x,y,fh,fw,fyc,yc;
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uint32_t * ibuf;
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uint32_t * obuf;
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va_start( ap,fmt );
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vsnprintf( p,512,fmt,ap );
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va_end( ap );
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iw=item->width;
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id=item->fontid;
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if ( ( !item )||
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( !Fonts[id] )||
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( !p[0] )||
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( !fntTextWidth( id,p ) ) ) return NULL;
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tw=fntTextWidth( id,p );
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fbw=Fonts[id]->Bitmap.Width;
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if ( item->Bitmap.Image == NULL )
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{
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item->Bitmap.Height=item->height=fntTextHeight( id,p );
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item->Bitmap.Width=item->width=iw;
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item->Bitmap.ImageSize=item->height * iw * 4;
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if ( !item->Bitmap.ImageSize ) return NULL;
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item->Bitmap.BPP=32;
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item->Bitmap.Image=malloc( item->Bitmap.ImageSize );
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}
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obuf=(uint32_t *)item->Bitmap.Image;
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ibuf=(uint32_t *)Fonts[id]->Bitmap.Image;
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for ( i=0;i < item->Bitmap.ImageSize / 4;i++ ) obuf[i]=0xff00ff;
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if ( tw <= iw )
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{
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switch ( item->align )
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{
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default:
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case fntAlignLeft: dx=0; break;
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case fntAlignCenter: dx=( iw - fntTextWidth( id,p ) ) / 2; break;
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case fntAlignRight: dx=iw - fntTextWidth( id,p ); break;
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}
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} else dx+=px;
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ofs=dx;
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for ( i=0;i < (int)strlen( p );i++ )
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{
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c=(unsigned int)p[i];
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fw=Fonts[id]->Fnt[c].sx;
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if ( fw == -1 ) { c=32; fw=Fonts[id]->Fnt[c].sx; }
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fh=Fonts[id]->Fnt[c].sy;
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fyc=Fonts[id]->Fnt[c].y * fbw + Fonts[id]->Fnt[c].x;
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yc=dx;
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if ( dx >= 0 )
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for ( y=0;y < fh;y++ )
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{
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for ( x=0; x < fw;x++ )
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if ( dx + x >= 0 && dx + x < iw ) obuf[yc + x]=ibuf[ fyc + x ];
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fyc+=fbw;
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yc+=iw;
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}
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dx+=fw;
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}
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if ( ofs > 0 && tw > item->width )
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{
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dx=ofs;
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for ( i=(int)strlen( p );i > 0;i-- )
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{
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c=(unsigned int)p[i];
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fw=Fonts[id]->Fnt[c].sx;
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if ( fw == -1 ) { c=32; fw=Fonts[id]->Fnt[c].sx; }
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fh=Fonts[id]->Fnt[c].sy;
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fyc=Fonts[id]->Fnt[c].y * fbw + Fonts[id]->Fnt[c].x;
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dx-=fw; yc=dx;
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if ( dx >= 0 )
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for ( y=0;y < fh;y++ )
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{
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for ( x=fw - 1;x >= 0;x-- )
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if ( dx + x >= 0 && dx + x < iw ) obuf[yc + x]=ibuf[fyc + x];
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fyc+=fbw;
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yc+=iw;
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}
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}
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}
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return &item->Bitmap;
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}
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