forked from KolibriOS/kolibrios
374 lines
8.6 KiB
C++
374 lines
8.6 KiB
C++
/*
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menegement of fonts
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*/
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//---------------------------------------------------------------------------------
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// destroy font
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//---------------------------------------------------------------------------------
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void DestroyFont(font_t *font)
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{
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font_t *seek_font;
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font_t *exchange_font;
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font_t *last_font;
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font_t *next_font;
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if (font==(font_t*)NULL) return;
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if (FontsMeneger.fnt_bk==FontsMeneger.fnt_fd)
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{
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//parent have got alone font
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if (FontsMeneger.fnt_bk==(DWORD*)font)
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{
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#ifdef DEBUG
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printf("\ndestroyed font %d font name=%s",(int)font,(char*)font->fnt_name);
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#endif
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free(font);
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FontsMeneger.fnt_bk=(DWORD*)NULL;
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FontsMeneger.fnt_fd=(DWORD*)NULL;
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}
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return;
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}
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seek_font=(font_t*)FontsMeneger.fnt_bk;
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while(seek_font!=(font_t*)NULL)
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{
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if (seek_font==font)
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{
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//delete font from fonts's cash
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last_font=(font_t*)seek_font->fnt_bk;
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next_font=(font_t*)seek_font->fnt_fd;
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if ((last_font!=(font_t*)NULL) && (next_font!=(font_t*)NULL))
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{//deliting font isn't first font and isn't endest
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next_font->fnt_bk=(DWORD*)last_font;
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last_font->fnt_fd=(DWORD*)next_font;
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}
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else
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{
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if (last_font==(font_t*)NULL)
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{//deliting font is first font of Parend
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FontsMeneger.fnt_bk=(DWORD*)next_font;
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next_font->fnt_bk=(DWORD*)NULL;
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if (next_font->fnt_fd==(DWORD*)NULL)
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{
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FontsMeneger.fnt_fd=(DWORD*)next_font;
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FontsMeneger.fnt_bk=(DWORD*)next_font;
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}
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}
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if (next_font==(font_t*)NULL)
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{
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//there isn't next fonts
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last_font->fnt_fd=(DWORD*)NULL;
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FontsMeneger.fnt_fd=(DWORD*)last_font;
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}
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}
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#ifdef DEBUG
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printf("\ndestroyed font %d font name=%s",(int)font,(char*)font->fnt_name);
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#endif
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free(font);
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break;
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}
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exchange_font=(font_t*)seek_font->fnt_fd;
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seek_font=exchange_font;
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}
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}
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void *CreateFont(void)
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{
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font_t *font;
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font_t *backward_font;
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font=malloc(sizeof(struct FONT));
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if (FontsMeneger.fnt_bk==(DWORD*)NULL)
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{//not yet fonts
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FontsMeneger.fnt_bk=(DWORD*)font;
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FontsMeneger.fnt_fd=(DWORD*)font;
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font->fnt_bk=(DWORD*)NULL;
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font->fnt_fd=(DWORD*)NULL;
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}
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else
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{
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backward_font=(font_t*)FontsMeneger.fnt_fd;
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FontsMeneger.fnt_fd=(DWORD*)font;
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backward_font->fnt_fd=(DWORD*)font;
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font->fnt_bk=(DWORD*)backward_font;
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font->fnt_fd=(DWORD*)NULL;
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}
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return(font);
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}
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////////////////////////////////////////////////////////////////////////////////
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// CHAR.MT and CHAR2.MT fonts unpacker
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////////////////////////////////////////////////////////////////////////////////
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void CHAR_MT_FontsUnpacker(unsigned char *loaded_font,font_t *font,char font_type)
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{
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int i,j,k;
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unsigned char c;
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unsigned char *p;
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if (font_type==FALSE)
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{//CHAR.MT
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font->font=malloc(6*9*256);
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p=(unsigned char*)font->font;
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for(j=0;j<256;j++)
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{
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for(i=0;i<9;i++)
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{
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c=(unsigned char)(*loaded_font);
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p[5]=(unsigned char)(c & 0x20);
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p[4]=(unsigned char)(c & 0x10);
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p[3]=(unsigned char)(c & 0x8);
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p[2]=(unsigned char)(c & 0x4);
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p[1]=(unsigned char)(c & 0x2);
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p[0]=(unsigned char)(c & 0x1);
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p+=6;
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loaded_font++;
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}
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}
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font->sizex=6;
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font->sizey=9;
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}
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else
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{//CHAR2.MT
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font->font=malloc(8*10*256);
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p=(unsigned char*)font->font;
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for(j=0;j<256;j++)
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{
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for(i=0;i<10;i++)
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{
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c=(unsigned char)(*loaded_font);
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p[7]=(unsigned char)(c & 0x80);
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p[6]=(unsigned char)(c & 0x40);
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p[5]=(unsigned char)(c & 0x20);
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p[4]=(unsigned char)(c & 0x10);
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p[3]=(unsigned char)(c & 0x8);
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p[2]=(unsigned char)(c & 0x4);
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p[1]=(unsigned char)(c & 0x2);
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p[0]=(unsigned char)(c & 0x1);
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p+=8;
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loaded_font++;
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}
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}
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font->sizex=8;
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font->sizey=10;
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}
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font->size=FONT_CONSTANT_SIZE;
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font->type=FONT_TYPE_ASCII;
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font->encoding_type=FONT_ENCODING_CYRILLIC_IBM866;
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}
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////////////////////////////////////////////////////////////////////////////////
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// CHAR.MT and CHAR2.MT fonts draw
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////////////////////////////////////////////////////////////////////////////////
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void MonofontDraw(finition_t *fin,int fx,int fy,
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DWORD color,DWORD background_color,
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font_t *font,unsigned char *s)
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{
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unsigned int i,j,k,step,len;
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int x,y,size_x,save_size_x,save_size_y;
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unsigned char *p,*buf,*save_buf;
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unsigned char c;
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DWORD draw_output;
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step=font->sizex*font->sizey;
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len=strlen(s);
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if (font->flags & FONT_FLAG_ORIENTATION_HORIZONTAL_FROM_LEFT_TO_RIGHT_ON)
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{
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if (font->flags & FONT_FLAG_DRAW_BACKGROUND_ON)
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{//there is a fon and not finition for draw
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//alocate a buffer for draw text
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size_x=font->sizex*len;
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c=screen.bits_per_pixel >> 3;
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i=step*c*len;
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buf=malloc(i);
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//save current screen parameters
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save_buf=screen.buffer;
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save_size_x=screen.size_x;
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save_size_y=screen.size_y;
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draw_output=screen.draw_output;
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//load parameters of local buffer
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screen.buffer=buf;
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screen.size_x=size_x;
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screen.size_y=font->sizey;
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screen.draw_output=DRAW_OUTPUT_BUFFER;
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//fill buffer by background color
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FillArrea(buf,i,screen.bits_per_pixel,background_color);
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//draw text
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x=0;
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for(k=0;k<len;k++)
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{
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c=s[k];
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p=font->font+step*c;
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for(j=0;j<font->sizey;j++)
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{
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for(i=0;i<font->sizex;i++)
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{
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if (*p) DrawPixel(x+i,j,color);
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p++;
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}
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}
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x=x+font->sizex;
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}
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//restore screen parameters
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screen.buffer=save_buf;
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screen.size_x=save_size_x;
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screen.size_y=save_size_y;
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screen.draw_output=draw_output;
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//move text from local buffer to screen
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if (fin->flags & FINITION_ON)
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DrawImageFinit(fin,fx,fy,size_x,font->sizey,screen.bits_per_pixel,buf);
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else
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DrawImage(fx,fy,size_x,font->sizey,screen.bits_per_pixel,buf);
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//free local buffer
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free(buf);
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}
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else
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{
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if (fin->flags & FINITION_ON)
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{//not background and finition for draw
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x=fx;
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y=fy;
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for(k=0;k<len;k++)
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{
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c=s[k];
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p=font->font+step*c;
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for(j=0;j<font->sizey;j++)
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{
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for(i=0;i<font->sizex;i++)
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{
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if (*p) DrawPixelFinit(fin,x+i,y+j,color);
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p++;
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}
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}
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x=x+font->sizex;
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}
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}
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else
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{//not background and not finition for draw
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x=fx;
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y=fy;
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for(k=0;k<len;k++)
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{
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c=s[k];
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p=font->font+step*c;
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for(j=0;j<font->sizey;j++)
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{
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for(i=0;i<font->sizex;i++)
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{
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if (*p) DrawPixel(x+i,y+j,color);
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p++;
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}
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}
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x=x+font->sizex;
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}
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}
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}
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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// fonts loader
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////////////////////////////////////////////////////////////////////////////////
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font_t *LoadFont(char *fullfontname)
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{
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char *path;
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char *c;
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BYTE *buf;
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long filesize;
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int len1,len2,i;
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font_t *font;
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static DWORD buf_for_size[2];
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static DWORD buf_for_pos[2];
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path=malloc(263);
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if (strchr(fullfontname,'/')==NULL)
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{
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len1=strlen(default_fonts_path);
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len2=strlen(fullfontname);
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memmove(path,default_fonts_path,len1);
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memmove(path+len1,fullfontname,len2);
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*(path+len1+len2)='\0';
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}
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else
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memmove(path,fullfontname,strlen(fullfontname));
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if (gui_get_file_size(path,buf_for_size)==KOLIBRIOS_SYS_FILE_ACCESS_SUCCESSFULLY)
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{
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filesize=buf_for_size[0];
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buf=malloc(filesize);
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//load fonts in buffer
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gui_read_file(path,buf_for_pos,filesize,buf);
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free(path);
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//register font
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font=CreateFont();
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c=strrchr(fullfontname,'/');
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if(c==NULL) font->fnt_name=fullfontname;
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else
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font->fnt_name=(char*)(c+1);
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//check font type
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c=strstr(font->fnt_name,"CHAR.MT");//check standart type of fonts
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if (c!=NULL)
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{
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font->fnt_unpacker=(DWORD*)&CHAR_MT_FontsUnpacker;
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font->fnt_draw=(DWORD*)&MonofontDraw;
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CHAR_MT_FontsUnpacker(buf,font,FALSE);//CHAR.MT
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free(buf);
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font->flags=0;
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font->flags|=FONT_FLAG_ORIENTATION_HORIZONTAL_FROM_LEFT_TO_RIGHT_ON;
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}
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c=strstr(font->fnt_name,"CHAR2.MT");//check standart type of fonts
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if (c!=NULL)
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{
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font->fnt_unpacker=(DWORD*)&CHAR_MT_FontsUnpacker;
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font->fnt_draw=(DWORD*)&MonofontDraw;
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CHAR_MT_FontsUnpacker(buf,font,TRUE);//CHAR2.MT
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free(buf);
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font->flags=0;
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font->flags|=FONT_FLAG_ORIENTATION_HORIZONTAL_FROM_LEFT_TO_RIGHT_ON;
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}
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//not other fonts yet
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}
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else
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{
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#ifdef DEBUG
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printf("\ncannot load font %s",path);
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#endif
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free(path);
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return(NULL);
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}
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FontsMeneger.number_fonts++;
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return(font);
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}
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void FreeFont(font_t *font)
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{
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if (font==(font_t*)FontsMeneger.default_font) return;
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free(font->font);
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DestroyFont(font);
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}
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