Home » Archimedes archive » Acorn User » AU 1995-05.adf » !StarInfo_StarInfo » Fonts/4bppToFont
Fonts/4bppToFont
This website contains an archive of files for the Acorn Electron, BBC Micro, Acorn Archimedes, Commodore 16 and Commodore 64 computers, which Dominic Ford has rescued from his private collection of floppy disks and cassettes.
Some of these files were originally commercial releases in the 1980s and 1990s, but they are now widely available online. I assume that copyright over them is no longer being asserted. If you own the copyright and would like files to be removed, please contact me.
Tape/disk: | Home » Archimedes archive » Acorn User » AU 1995-05.adf » !StarInfo_StarInfo |
Filename: | Fonts/4bppToFont |
Read OK: | ✔ |
File size: | 0F1B bytes |
Load address: | 0000 |
Exec address: | 0000 |
File contents
10REM >4bppToFont 11REM By Dave Lawrence 12REM for *info May 1995 20ON ERROR ERROR EXT ERR,REPORT$+" at line "+STR$ERL:END 30PROCinit 40INPUT "Sprite file : 4bpp."in$ 50INPUT "Font family "fam$ 60in=FNload_sprites("4bpp."+in$) 70DIM font 32*1024,metrics 32*1024 80FOR i=0 TO 32*1024-1 STEP 4 90 font!i=0 100 metrics!i=0 110NEXT 120 130info$=FNname(in,1) 140xsize=FNget("x",info$) 150ysize=FNget("y",info$) 160point=FNget("s",info$) 170depth=FNget("d",info$) 180PRINT "xsize = ";xsize 190PRINT "ysize = ";ysize 200PRINT "point = ";point 210PRINT "depth = ";depth 220font_name$=fam$+"."+in$ 230 240PROCfont_header 250PROCmetrics_header 260 270FOR char=0 TO 255 280 name$=RIGHT$("00"+STR$~char,2)+":" 290 IF char>31 AND char<>127 name$+=CHR$char ELSE name$+="*" 300 310 SYS xspop,&128,in,name$ TO ,,,w,h ; f 320 IF (f AND 1)=0 THEN 330 IF h<>ysize ERROR 1,"h<>ysize" 340 off=font_ptr-font_offset 350 PRINT RIGHT$(name$,1); 360 ELSE 370 off=0 380 VDU 32 390 ENDIF 400 410 font_offset?(char*2) = off MOD 256 420 font_offset?(char*2+1)=off DIV 256 430 440 IF off<>0 THEN 450 font_ptr?0 = 0 460 font_ptr?1 = 0 : REM -depth 470 font_ptr?2 = w 480 font_ptr?3 = ysize : REM -depth 490 font_ptr+=4 500 510 REM graphics... 520 byte=-1 530 FOR y=0 TO h-1 540 FOR x=0 TO w-1 550 SYS spop,&129,in,name$,x,y TO ,,,,,p 560 IF byte<0 THEN 570 byte=p 580 ELSE 590 ?font_ptr=byte OR (p<<4) 600 font_ptr+=1 610 byte=-1 620 ENDIF 630 NEXT 640 NEXT 650 IF byte<>-1 ?font_ptr=byte:font_ptr+=1 660 font_ptr=(font_ptr + 3) AND NOT 3 670 680 char_map?char = entry : entry+=1 690 PROCem(met_boxes+0, 0) 700 PROCem(met_boxes+2, -depth) 710 PROCem(met_boxes+4, w) 720 PROCem(met_boxes+6, ysize-depth) 730 met_boxes+=8 740 750 PROCem(met_xoff, w) 760 met_xoff+=2 770 PROCem(met_yoff, 0) 780 met_yoff+=2 790 800 ENDIF 810 820 IF (char+1) MOD 32 =0 PRINT 830 840NEXT 850font!12= font_ptr-pixel_data 860PRINT"CDir "+font_dir$+"."+fam$ 870PRINT"CDir "+font_dir$+"."+font_name$ 880OSCLI"CDir "+font_dir$+"."+fam$ 890OSCLI"CDir "+font_dir$+"."+font_name$ 900SYS "OS_File",10,font_dir$+"."+font_name$+".x90y45",&FF6,,font,font_ptr 910SYS "OS_File",10,font_dir$+"."+font_name$+".IntMetrics",&FF6,,metrics,met_end 920END 930 940 950DEF PROCfont_header 960font?0 = point 970font?1 = 4 980font?2 = xdpi 990font?3 = ydpi 1000font!4 = 0 1010font!8 = 0 : REM offset 1020font!12= 0 : REM length 1030font!16=0 : REM 1 byte terminator 1040pixel_data=font+20 1050 1060font_ptr=pixel_data 1070font!8=font_ptr-font 1080 1090font_ptr!0 = point*16*xdpi 1100font_ptr!4 = point*16*ydpi 1110font_ptr!8 = xdpi 1120font_ptr!12 = ydpi 1130font_ptr?16 = 0 1140font_ptr?17 = 0 : REM -depth 1150font_ptr?18 = xsize 1160font_ptr?19 = ysize : REM-depth 1170font_offset = font_ptr+20 1180char_data = font_offset + 512 1190font_ptr = char_data : REM not +4! 1200ENDPROC 1210 1220 1230DEF PROCmetrics_header 1240$metrics=LEFT$(font_name$+STRING$(80,CHR$13),40) 1250metrics!40=16 1260metrics!44=16 1270metrics?48=met_n MOD 256 1280metrics?49=2 : REM version 1290metrics?50=0 : REM flags 1300metrics?51=met_n DIV 256 1310char_map=metrics+52 1320met_boxes=char_map+256 1330met_xoff=met_boxes+8*met_n 1340met_yoff=met_xoff+2*met_n 1350met_end=met_yoff+2*met_n 1360entry=1-1 1370ENDPROC 1380 1390 1400DEF PROCinit 1410SYS "OS_SWINumberFromString",,"OS_SpriteOp" TO spop 1420SYS "OS_SWINumberFromString",,"XOS_SpriteOp" TO xspop 1430font_dir$="ADFS::4.$.!Boot.Resources.!Fonts" 1440DIM buf 256 1450xdpi=90 1460ydpi=90 1470met_n = 256 1480met_m = 256 1490ENDPROC 1500 1510DEF FNleaf(a$) 1520IF INSTR(a$,".")=0 THEN =a$ 1530b$="" 1540WHILE RIGHT$(a$,1)<>"." 1550 b$=RIGHT$(a$,1)+b$ 1560 a$=LEFT$(a$) 1570ENDWHILE 1580=b$ 1590 1600DEF FNpath(a$) 1610IF INSTR(a$,".")=0 THEN =a$ 1620b$=a$ 1630WHILE RIGHT$(b$,1)<>"." 1640 b$=LEFT$(b$) 1650ENDWHILE 1660=LEFT$(b$) 1670 1680DEF FNload_sprites(a$) 1690in_size=FNsize(a$) 1700DIM a in_size+256 1710!a=in_size+256 1720a!8=16 1730SYS spop,&109,a 1740SYS spop,&10A,a,a$ 1750=a 1760 1770DEF FNsize(a$) 1780SYS "OS_File",5,a$ TO ,,,,size 1790=size 1800 1810DEF FNname(a,n) 1820SYS spop,&10D,a,buf,256,n TO ,,,len 1830buf?len=13 1840=$buf 1850 1860DEF FNget(l$,s$) 1870=VALMID$(s$,INSTR(s$,l$)+1) 1880 1890DEF PROCem(addr,val) 1900val=(1000*val*72)/(xdpi*point) 1910addr?0=(65536+val) MOD 256 1920addr?1=(65536+val) DIV 256 1930ENDPROC
� >4bppToFont � By Dave Lawrence � for *info May 1995 !� � � � �,�$+" at line "+Þ:� �init (� "Sprite file : 4bpp."in$ 2� "Font family "fam$ <!in=�load_sprites("4bpp."+in$) F"� font 32*1024,metrics 32*1024 P� i=0 � 32*1024-1 � 4 Z font!i=0 d metrics!i=0 n� x �info$=�name(in,1) �xsize=�get("x",info$) �ysize=�get("y",info$) �point=�get("s",info$) �depth=�get("d",info$) �� "xsize = ";xsize �� "ysize = ";ysize �� "point = ";point �� "depth = ";depth �font_name$=fam$+"."+in$ � ��font_header ��metrics_header � char=0 � 255 name$=�"00"+�~char,2)+":" "4 � char>31 � char<>127 name$+=�char � name$+="*" , 6( ș xspop,&128,in,name$ � ,,,w,h ; f @ � (f � 1)=0 � J � h<>ysize � 1,"h<>ysize" T off=font_ptr-font_offset ^ � �name$,1); h � r off=0 | � 32 � � � �% font_offset?(char*2) = off � 256 �% font_offset?(char*2+1)=off � 256 � � � off<>0 � � font_ptr?0 = 0 � font_ptr?1 = 0 : � -depth � font_ptr?2 = w �# font_ptr?3 = ysize : � -depth � font_ptr+=4 � � � graphics... byte=-1 � y=0 � h-1 � x=0 � w-1 &* ș spop,&129,in,name$,x,y � ,,,,,p 0 � byte<0 � : byte=p D � N ?font_ptr=byte � (p<<4) X font_ptr+=1 b byte=-1 l � v � � � �+ � byte<>-1 ?font_ptr=byte:font_ptr+=1 �# font_ptr=(font_ptr + 3) � � 3 � �& char_map?char = entry : entry+=1 � �em(met_boxes+0, 0) � �em(met_boxes+2, -depth) � �em(met_boxes+4, w) �# �em(met_boxes+6, ysize-depth) � met_boxes+=8 � � �em(met_xoff, w) � met_xoff+=2 �em(met_yoff, 0) met_yoff+=2 � * 4 � (char+1) � 32 =0 � > H� R font!12= font_ptr-pixel_data \�"CDir "+font_dir$+"."+fam$ f%�"CDir "+font_dir$+"."+font_name$ p�"CDir "+font_dir$+"."+fam$ z%�"CDir "+font_dir$+"."+font_name$ �Jș "OS_File",10,font_dir$+"."+font_name$+".x90y45",&FF6,,font,font_ptr �Pș "OS_File",10,font_dir$+"."+font_name$+".IntMetrics",&FF6,,metrics,met_end �� � � �� �font_header �font?0 = point �font?1 = 4 �font?2 = xdpi �font?3 = ydpi �font!4 = 0 �font!8 = 0 : � offset �font!12= 0 : � length #font!16=0 : � 1 byte terminator pixel_data=font+20 $font_ptr=pixel_data .font!8=font_ptr-font 8 Bfont_ptr!0 = point*16*xdpi Lfont_ptr!4 = point*16*ydpi Vfont_ptr!8 = xdpi `font_ptr!12 = ydpi jfont_ptr?16 = 0 tfont_ptr?17 = 0 : � -depth ~font_ptr?18 = xsize �!font_ptr?19 = ysize : �-depth �font_offset = font_ptr+20 �#char_data = font_offset + 512 �'font_ptr = char_data : � not +4! �� � � �� �metrics_header �%$metrics=�font_name$+�80,�13),40) �metrics!40=16 �metrics!44=16 �metrics?48=met_n � 256 metrics?49=2 : � version metrics?50=0 : � flags metrics?51=met_n � 256 char_map=metrics+52 (met_boxes=char_map+256 2met_xoff=met_boxes+8*met_n <met_yoff=met_xoff+2*met_n Fmet_end=met_yoff+2*met_n P entry=1-1 Z� d n x� �init �5ș "OS_SWINumberFromString",,"OS_SpriteOp" � spop �7ș "OS_SWINumberFromString",,"XOS_SpriteOp" � xspop �0font_dir$="ADFS::4.$.!Boot.Resources.!Fonts" � � buf 256 �xdpi=90 �ydpi=90 �met_n = 256 �met_m = 256 �� � �� �leaf(a$) �� �a$,".")=0 � =a$ � b$="" ȕ �a$,1)<>"." b$=�a$,1)+b$ a$=�a$) "� ,=b$ 6 @� �path(a$) J� �a$,".")=0 � =a$ T b$=a$ ^ȕ �b$,1)<>"." h b$=�b$) r� | =�b$) � �� �load_sprites(a$) �in_size=�size(a$) �� a in_size+256 �!a=in_size+256 � a!8=16 �ș spop,&109,a �ș spop,&10A,a,a$ �=a � �� �size(a$) � ș "OS_File",5,a$ � ,,,,size � =size � �name(a,n) %ș spop,&10D,a,buf,256,n � ,,,len &buf?len=13 0 =$buf : D� �get(l$,s$) N=��s$,�s$,l$)+1) X b� �em(addr,val) l"val=(1000*val*72)/(xdpi*point) vaddr?0=(65536+val) � 256 �addr?1=(65536+val) � 256 �� �
00000000 0d 00 0a 11 f4 20 3e 34 62 70 70 54 6f 46 6f 6e |..... >4bppToFon| 00000010 74 0d 00 0b 16 f4 20 42 79 20 44 61 76 65 20 4c |t..... By Dave L| 00000020 61 77 72 65 6e 63 65 0d 00 0c 18 f4 20 66 6f 72 |awrence..... for| 00000030 20 2a 69 6e 66 6f 20 4d 61 79 20 31 39 39 35 0d | *info May 1995.| 00000040 00 14 21 ee 20 85 20 85 20 a2 20 9f 2c f6 24 2b |..!. . . . .,.$+| 00000050 22 20 61 74 20 6c 69 6e 65 20 22 2b c3 9e 3a e0 |" at line "+..:.| 00000060 0d 00 1e 09 f2 69 6e 69 74 0d 00 28 1e e8 20 22 |.....init..(.. "| 00000070 53 70 72 69 74 65 20 66 69 6c 65 20 3a 20 34 62 |Sprite file : 4b| 00000080 70 70 2e 22 69 6e 24 0d 00 32 18 e8 20 22 46 6f |pp."in$..2.. "Fo| 00000090 6e 74 20 66 61 6d 69 6c 79 20 22 66 61 6d 24 0d |nt family "fam$.| 000000a0 00 3c 21 69 6e 3d a4 6c 6f 61 64 5f 73 70 72 69 |.<!in=.load_spri| 000000b0 74 65 73 28 22 34 62 70 70 2e 22 2b 69 6e 24 29 |tes("4bpp."+in$)| 000000c0 0d 00 46 22 de 20 66 6f 6e 74 20 33 32 2a 31 30 |..F". font 32*10| 000000d0 32 34 2c 6d 65 74 72 69 63 73 20 33 32 2a 31 30 |24,metrics 32*10| 000000e0 32 34 0d 00 50 19 e3 20 69 3d 30 20 b8 20 33 32 |24..P.. i=0 . 32| 000000f0 2a 31 30 32 34 2d 31 20 88 20 34 0d 00 5a 0d 20 |*1024-1 . 4..Z. | 00000100 66 6f 6e 74 21 69 3d 30 0d 00 64 10 20 6d 65 74 |font!i=0..d. met| 00000110 72 69 63 73 21 69 3d 30 0d 00 6e 05 ed 0d 00 78 |rics!i=0..n....x| 00000120 04 0d 00 82 15 69 6e 66 6f 24 3d a4 6e 61 6d 65 |.....info$=.name| 00000130 28 69 6e 2c 31 29 0d 00 8c 19 78 73 69 7a 65 3d |(in,1)....xsize=| 00000140 a4 67 65 74 28 22 78 22 2c 69 6e 66 6f 24 29 0d |.get("x",info$).| 00000150 00 96 19 79 73 69 7a 65 3d a4 67 65 74 28 22 79 |...ysize=.get("y| 00000160 22 2c 69 6e 66 6f 24 29 0d 00 a0 19 70 6f 69 6e |",info$)....poin| 00000170 74 3d a4 67 65 74 28 22 73 22 2c 69 6e 66 6f 24 |t=.get("s",info$| 00000180 29 0d 00 aa 19 64 65 70 74 68 3d a4 67 65 74 28 |)....depth=.get(| 00000190 22 64 22 2c 69 6e 66 6f 24 29 0d 00 b4 16 f1 20 |"d",info$)..... | 000001a0 22 78 73 69 7a 65 20 3d 20 22 3b 78 73 69 7a 65 |"xsize = ";xsize| 000001b0 0d 00 be 16 f1 20 22 79 73 69 7a 65 20 3d 20 22 |..... "ysize = "| 000001c0 3b 79 73 69 7a 65 0d 00 c8 16 f1 20 22 70 6f 69 |;ysize..... "poi| 000001d0 6e 74 20 3d 20 22 3b 70 6f 69 6e 74 0d 00 d2 16 |nt = ";point....| 000001e0 f1 20 22 64 65 70 74 68 20 3d 20 22 3b 64 65 70 |. "depth = ";dep| 000001f0 74 68 0d 00 dc 1b 66 6f 6e 74 5f 6e 61 6d 65 24 |th....font_name$| 00000200 3d 66 61 6d 24 2b 22 2e 22 2b 69 6e 24 0d 00 e6 |=fam$+"."+in$...| 00000210 04 0d 00 f0 10 f2 66 6f 6e 74 5f 68 65 61 64 65 |......font_heade| 00000220 72 0d 00 fa 13 f2 6d 65 74 72 69 63 73 5f 68 65 |r.....metrics_he| 00000230 61 64 65 72 0d 01 04 04 0d 01 0e 12 e3 20 63 68 |ader......... ch| 00000240 61 72 3d 30 20 b8 20 32 35 35 0d 01 18 1e 20 6e |ar=0 . 255.... n| 00000250 61 6d 65 24 3d c2 22 30 30 22 2b c3 7e 63 68 61 |ame$=."00"+.~cha| 00000260 72 2c 32 29 2b 22 3a 22 0d 01 22 34 20 e7 20 63 |r,2)+":".."4 . c| 00000270 68 61 72 3e 33 31 20 80 20 63 68 61 72 3c 3e 31 |har>31 . char<>1| 00000280 32 37 20 6e 61 6d 65 24 2b 3d bd 63 68 61 72 20 |27 name$+=.char | 00000290 8b 20 6e 61 6d 65 24 2b 3d 22 2a 22 0d 01 2c 05 |. name$+="*"..,.| 000002a0 20 0d 01 36 28 20 c8 99 20 78 73 70 6f 70 2c 26 | ..6( .. xspop,&| 000002b0 31 32 38 2c 69 6e 2c 6e 61 6d 65 24 20 b8 20 2c |128,in,name$ . ,| 000002c0 2c 2c 77 2c 68 20 3b 20 66 0d 01 40 12 20 e7 20 |,,w,h ; 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