Home » Archimedes archive » Archimedes World » AW-1995-04-Disc1.adf » Disk1Apr95 » !AWApr95/Goodies/Draw/!DrawBasic/Resources/Attributes
!AWApr95/Goodies/Draw/!DrawBasic/Resources/Attributes
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 » Archimedes World » AW-1995-04-Disc1.adf » Disk1Apr95 |
| Filename: | !AWApr95/Goodies/Draw/!DrawBasic/Resources/Attributes |
| Read OK: | ✔ |
| File size: | 397E bytes |
| Load address: | 0000 |
| Exec address: | 0000 |
Duplicates
There are 3 duplicate copies of this file in the archive:
- Archimedes archive » Archimedes World » AW-1995-03-Disc1.adf » Disk1Mar95 » !AWMar95/Goodies/DrawBasic/!DrawBasic/Resources/Attributes
- Archimedes archive » Archimedes World » AW-1995-04-Disc1.adf » Disk1Apr95 » !AWApr95/Goodies/Draw/!DrawBasic/Resources/Attributes
- Archimedes archive » Archimedes World » AW-1995-05-Disc1.adf » AWMay95_1 » InTheMag/DrawBasic/!DrawBasic/Resources/Attributes
- Archimedes archive » Archimedes World » AW-1995-02-Disc1.adf » Disk1Feb95 » !AWFeb95/Goodies/DrawBasic/!DrawBasic/Resources/Attributes
File contents
10REM >DrawBasic:Resources.Attributes 20REM ======================================================= 30REM 40REM copyright Joe Taylor June 1994 50REM 60REM N.B. For ERROR THROWBACK to work The first line above 70REM MUST have the correct pathname of this file. 80REM If you move the location of the file remember to 90REM alter this pathname. 100REM 110REM ======================================================= 120 130REM ****************** 140REM 150REM 5 PATH ATTRIBUTES 160REM 170REM ****************** 180 190REM ============== 200REM 5.1 Line Width 210REM ============== 220 230DEF FNLineWidth=!(HIMEM+232) 240 250DEF PROCWidth(width) 260!(HIMEM+232)=INT(width*640) 270ENDPROC 280 290DEF PROCWidth@(Draw_Path%,width) 300 REM ------------------------------- 310 REM 320 REM Sets the line width 330 REM 340 REM N.B. Thickness is specified in 350 REM printers points 360 REM 370 REM ------------------------------ 380 LOCAL _Path% 390 _Path%=!Draw_Path% 400 IF _Path%<>0 THEN _Path%!32=INT(width*640) 410ENDPROC 420 430REM =============== 440REM 5.2 Line Colour 450REM =============== 460 470DEF FNLineColour=!(HIMEM+224) 480 490DEF PROCColour(col%) 500IF ABS col%<16 THEN col%=FNDesktopColour(ABS col%) 510!(HIMEM+224)=col% 520ENDPROC 530 540DEF PROCColour@(Draw_Path%,colour%) 550 REM -------------------- 560 REM 570 REM Sets the line colour 580 REM 590 REM -------------------- 600 LOCAL _Path% 610 _Path%=!Draw_Path% 620 IF _Path%<>0 THEN 630 IF ABS(colour%)<16 THEN _Path%!28=FNDesktopColour(ABS(colour%)MOD16) ELSE _Path%!28=colour% 640 ENDIF 650ENDPROC 660 670REM =============== 680REM 5.3 Fill Colour 690REM =============== 700 710DEF FNFillColour=!(HIMEM+228) 720 730DEF PROCFill(col%) 740IF ABS col%<16 THEN col%=FNDesktopColour(ABS col%) 750!(HIMEM+228)=col% 760ENDPROC 770 780DEF PROCFill@(Draw_Path%,colour%) 790 REM --------------------- 800 REM 810 REM Sets the fill colour 820 REM 830 REM --------------------- 840 LOCAL _Path% 850 _Path%=!Draw_Path% 860 IF _Path%<>0 THEN 870 IF ABS(colour%)<16 THEN _Path%!24=FNDesktopColour(ABS(colour%)MOD16) ELSE _Path%!24=colour% 880 ENDIF 890ENDPROC 900 910REM ================== 920REM 5.4 Colour mixing 930REM ================== 940 950DEF FNShade(Red%,Green%,Blue%)=(Red%<<8)+(Green%<<16)+(Blue%<<24) 960 970DEF FNShadePC(Red,Green,Blue) 980LOCAL _R%,_B%,_G% 990_R%=INT(Red*255/100+.5) : _G%=INT(Green*255/100+.5): _B%=INT(Blue*255/100+.5) 1000=FNShade(_R%,_G%,_B%) 1010 1020DEF FNShadeCMYK(Cyan,Magenta,Yellow,Key) 1030LOCAL _Red%,_Green%,_Blue%,_C%,_M%,_Y%,_K% 1040_C%=INT(Cyan*65536/100+.5) : _M%=INT(Magenta*65536/100+.5) 1050_Y%=INT(Yellow*65536/100+.5): _K%=INT(Key*65536/100+.5) 1060SYS "ColourTrans_ConvertCMYKToRGB",_C%,_M%,_Y%,_K% TO _Red%,_Green%,_Blue% 1070IF (_Red%>>8)=256 THEN _Red%-=1 1080IF (_Green%>>8)=256 THEN _Green%-=1 1090IF (_Blue%>>8)=256 THEN _Blue%-=1 1100=FNShade(_Red%>>8,_Green%>>8,_Blue%>>8) 1110 1120DEF FNShadeHSV(Hue,Saturation,Value) 1130LOCAL _Red%,_Green%,_Blue%,_H%,_S%,_V% 1140_H%=Hue<<16 1150_S%=INT(Saturation*65536/100+.5) 1160_V%=INT(Value*65536/100+.5) 1170SYS "ColourTrans_ConvertHSVToRGB",_H%,_S%,_V% TO _Red%,_Green%,_Blue% 1180IF (_Red%>>8)=256 THEN _Red%-=1 1190IF (_Green%>>8)=256 THEN _Green%-=1 1200IF (_Blue%>>8)=256 THEN _Blue%-=1 1210=FNShade(_Red%>>8,_Green%>>8,_Blue%>>8) 1220 1230DEF FNWhite=FNShade(255,255,255) 1240DEF FNBlack=%11111111 1250DEF FNBlue=FNShade(0,68,153) 1260DEF FNYellow=FNShade(238,238,0) 1270DEF FNLightGreen=FNShade(0,204,0) 1280DEF FNRed=FNShade(221,0,0) 1290DEF FNCream=FNShade(238,238,187) 1300DEF FNGreen=FNShade(85,136,0) 1310DEF FNOrange=FNShade(255,187,0) 1320DEF FNLightBlue=FNShade(0,187,255) 1330 1340DEF FNGrey(scale) 1350LOCAL _intensity% 1360IF scale>=7 THEN =FNBlack 1370_intensity%=INT((7-scale)*255/7+.5) 1380=FNShade(_intensity%,_intensity%,_intensity%) 1390 1400DEF FNDesktopColour(colour%) 1410IF ABS colour%<256 THEN colour%=(ABS colour%) MOD 16 1420 CASE colour% OF 1430 WHEN 0 : colour%=FNShade(255,255,255) 1440 WHEN 1 : colour%=FNShade(221,221,221) 1450 WHEN 2 : colour%=FNShade(187,187,187) 1460 WHEN 3 : colour%=FNShade(153,153,153) 1470 WHEN 4 : colour%=FNShade(119,119,119) 1480 WHEN 5 : colour%=FNShade(85,85,85) 1490 WHEN 6 : colour%=FNShade(51,51,51) 1500 WHEN 7 : colour%=%11111111 1510 WHEN 8 : colour%=FNShade(0,68,153) 1520 WHEN 9 : colour%=FNShade(238,238,0) 1530 WHEN 10 : colour%=FNShade(0,204,0) 1540 WHEN 11 : colour%=FNShade(221,0,0) 1550 WHEN 12 : colour%=FNShade(238,238,187) 1560 WHEN 13 : colour%=FNShade(85,136,0) 1570 WHEN 14 : colour%=FNShade(255,187,0) 1580 WHEN 15 : colour%=FNShade(0,187,255) 1590 ENDCASE 1600=colour% 1610 1620REM ================== 1630REM 5.5 Winding Rules 1640REM ================== 1650 1660DEF FNStyle=!(HIMEM+236) 1670 1680DEF FNWindingRule=!(HIMEM+236) 1690 1700DEF PROCWindingRule(winding_rule%) 1710IF winding_rule%=0 THEN 1720!(HIMEM+236)=(FNStyle AND NOT%1000000) EOR %1000000 1730ELSE 1740!(HIMEM+236)=(FNStyle AND NOT%1000000) EOR %0000000 1750ENDIF 1760ENDPROC 1770 1780DEF PROCWindingRule@(Draw_Path%,winding_rule%) 1790 REM ----------------------- 1800 REM 1810 REM Even Odd winding Rule 1820 REM 1830 REM ---------------------- 1840 LOCAL _Path% 1850 _Path%=!Draw_Path% 1860 IF _Path%<>0 THEN 1870 IF winding_rule%=0 THEN 1880 Path%!36=(FNStyle AND NOT%1000000) EOR %1000000 1890 ELSE 1900 Path%!36=(FNStyle AND NOT%1000000) EOR %0000000 1910 ENDIF 1920 ENDIF 1930ENDPROC 1940 1950REM ================= 1960REM 5.6 Dashed Lines 1970REM ================= 1980 1990DEF FNDash=!(HIMEM+76) 2000 2010DEF PROCDashOff 2020!(HIMEM+76)=0 2030ENDPROC 2040 2050DEF PROCDash(pattern%) 2060!(HIMEM+76)=pattern% 2070ENDPROC 2080 2090DEF PROCDash@(Draw_Path%,pattern%) 2100 REM ----------------------------- 2110 REM 2120 REM Dash Pattern 2130 REM 2140 REM - - - - - - - - 2150 REM 2160 REM pattern!0=n 2170 REM pattern!4=length into 2180 REM pattern!8=length of 1st stroke 2190 REM 2200 REM etc. 2210 REM 2220 REM "length" in points 2230 REM 2240 REM ----------------------------- 2250 LOCAL _Path%,_i%,_n%,_max% 2260 _Path%=!Draw_Path% 2270 IF _Path%<>0 THEN 2280 _n%=pattern%!4 2290 _Path%!4+=4*(_n%+2) 2300 _Path%!36=((_Path%!36) AND NOT(1<<7)) EOR (1<<7) 2310 _max%=!(HIMEM+4) 2320 PROCMoveMemory(_Path%+40,_n%+2) 2330 _i%=Draw_Path%-4 2340 WHILE _i%>=_max% : !_i%+=4*(_n%+2) : _i%-=4 : ENDWHILE 2350 FOR _i%=0 TO _n%+1 2360 _Path%!(40+4*_i%)=(pattern%!(4*_i%))*640 2370 NEXT 2380 _Path%!44=_n% 2390 ENDIF 2400 ENDPROC 2410 2420DEF FNDashPattern(NumberOfElements%) 2430LOCAL _pattern% 2440IF NumberOfElements%<=0 THEN ERROR 0, "Number of elements in dash pattern negative!" 2450DIM _pattern% 8+4*NumberOfElements% 2460FOR _i%=0 TO 4+4*NumberOfElements% STEP 4 2470 _pattern%!_i%=0 2480 NEXT 2490 _pattern%!4=NumberOfElements% 2500=_pattern% 2510 2520DEF PROCDashLength(pattern%,item%,length%) 2530IF item%<0 OR item%>(pattern%!4) THEN ERROR 0, "No such item in Dash pattern!" 2540IF item%=0 THEN !pattern%=length% ELSE pattern%!(4+4*item%)=length% 2550ENDPROC 2560 2570DEF FNEquiDash(length%) 2580 REM ----------------------------- 2590 REM 2600 REM Equidistant Dash Pattern 2610 REM 2620 REM - - - - - - - - - - 2630 REM 2640 REM Arguments in OS units 2650 REM 2660 REM ----------------------------- 2670LOCAL _pattern : DIM _pattern 12 2680!_pattern=0 : _pattern!4=1 : _pattern!8=length% 2690=_pattern 2700 2710DEF FNDotDash(length%) 2720 REM ----------------------------- 2730 REM 2740 REM Non-equidistant Dash Pattern 2750 REM 2760 REM -- - -- - -- - -- - -- - 2770 REM 2780 REM Arguments in OS units 2790 REM 2800 REM ----------------------------- 2810 LOCAL _pattern : DIM _pattern 6*4 2820 !_pattern=0 : _pattern!4=4 2830 _pattern!8=2*length% : _pattern!12=length% 2840 _pattern!16=length% : _pattern!20=length% 2850 =_pattern 2860 2870DEF FNNonEquiDash(stroke_length%,move_length%) 2880 REM ----------------------------- 2890 REM 2900 REM Non-equidistant Dash Pattern 2910 REM 2920 REM -- -- -- -- -- -- -- -- -- 2930 REM 2940 REM Arguments in inches 2950 REM 2960 REM ----------------------------- 2970 LOCAL _pattern : DIM _pattern 4*4 2980 !_pattern=0 : _pattern!4=2 2990 _pattern!8=stroke_length% : _pattern!12=move_length% 3000 =_pattern 3010 3020 3030REM ========== 3040REM 5.7 Joins 3050REM ========== 3060 3070DEF PROCJoins(index%) 3080CASE index% OF 3090WHEN 0 : PROCRoundJoins 3100WHEN 1 : PROCBevelJoins 3110OTHERWISE 3120 PROCMitreJoins 3130ENDCASE 3140ENDPROC 3150 3160DEF PROCJoins@(Draw_Path%,index%) 3170CASE index% OF 3180WHEN 0 : PROCRoundJoins@(Draw_Path%) 3190WHEN 1 : PROCBevelJoins@(Draw_Path%) 3200OTHERWISE 3210 PROCMitreJoins@(Draw_Path%) 3220ENDCASE 3230ENDPROC 3240 3250DEF PROCRoundJoins 3260 REM ------------ 3270 REM 3280 REM Round Joins 3290 REM 3300 REM ------------ 3310 !(HIMEM+236)=(FNStyle AND NOT%11) EOR %01 3320 ENDPROC 3330 3340DEF PROCRoundJoins@(Draw_Path%) 3350 REM ------------ 3360 REM 3370 REM Round Joins 3380 REM 3390 REM ------------ 3400 LOCAL _Path% 3410 _Path%=!Draw_Path% 3420 IF _Path%<>0 THEN _Path%!36=((_Path%!36) AND NOT%11) EOR %01 3430 ENDPROC 3440 3450DEF PROCBevelJoins 3460 REM ------------------------- 3470 REM 3480 REM Bevel Joins 3490 REM 3500 REM N.B. This is the default. 3510 REM 3520 REM ------------------------- 3530 !(HIMEM+236)=(FNStyle AND NOT%11) EOR %10 3540 ENDPROC 3550 3560DEF PROCBevelJoins@(Draw_Path%) 3570 REM ------------------------- 3580 REM 3590 REM Bevel Joins 3600 REM 3610 REM N.B. This is the default. 3620 REM 3630 REM ------------------------- 3640 LOCAL _Path% : _Path%=!Draw_Path% 3650 IF _Path%<>0 THEN _Path%!36=((_Path%!36) AND NOT%11) EOR %10 3660 ENDPROC 3670 3680DEF PROCMitreJoins 3690 REM ------------ 3700 REM 3710 REM Mitre Joins 3720 REM 3730 REM ------------ 3740 !(HIMEM+236)=(FNStyle AND NOT%11) EOR %00 3750 ENDPROC 3760 3770DEF PROCMitreJoins@(Draw_Path%) 3780 REM ------------ 3790 REM 3800 REM Mitre Joins 3810 REM 3820 REM ------------ 3830 LOCAL _Path% : _Path%=!Draw_Path% 3840 IF _Path%<>0 THEN _Path%!36=((_Path%!36) AND NOT%11) EOR %00 3850 ENDPROC 3860 3870REM ============== 3880REM 5.8 Line Caps 3890REM ============== 3900 3910DEF PROCButtCaps(index%) 3920 REM --------------------- 3930 REM 3940 REM Butt Caps index= 1 forward only 3950 REM =-1 back only 3960 REM = 0 both 3970 REM N.B. This the default 3980 REM 3990 REM --------------------- 4000 IF index%>=0 !(HIMEM+236)=(FNStyle AND NOT%1100) EOR %0000 4010 IF index%<=0 !(HIMEM+236)=(FNStyle AND NOT%110000) EOR %000000 4020 ENDPROC 4030 4040DEF PROCButtCaps@(Draw_Path%,index%) 4050 REM --------------------- 4060 REM 4070 REM Butt End Caps 4080 REM 4090 REM N.B. This the default 4100 REM 4110 REM --------------------- 4120 LOCAL _Path% : _Path%=!Draw_Path% 4130 IF _Path%<>0 THEN 4140 IF index%>=0 _Path%!36=((_Path%!36) AND NOT%1100) EOR %0000 4150 IF index%<=0 _Path%!36=((_Path%!36) AND NOT%110000) EOR %000000 4160 ENDIF 4170 ENDPROC 4180 4190DEF PROCRoundCaps(index%) 4200 REM ----------------- 4210 REM 4220 REM Round End Caps 4230 REM 4240 REM ----------------- 4250 IF index%>=0 !(HIMEM+236)=(FNStyle AND NOT%1100) EOR %0100 4260 IF index%<=0 !(HIMEM+236)=(FNStyle AND NOT%110000) EOR %010000 4270 ENDPROC 4280 4290DEF PROCRoundCaps@(Draw_Path%,index%) 4300 REM ----------------- 4310 REM 4320 REM Round End Caps 4330 REM 4340 REM ----------------- 4350 LOCAL _Path% : _Path%=!Draw_Path% 4360 IF _Path%<>0 THEN 4370 IF index%>=0 _Path%!36=((_Path%!36) AND NOT%1100) EOR %0100 4380 IF index%<=0 _Path%!36=((_Path%!36) AND NOT%110000) EOR %010000 4390 ENDIF 4400 ENDPROC 4410 4420DEF PROCSquareCaps(index%) 4430 REM ----------------- 4440 REM 4450 REM Square End Caps 4460 REM 4470 REM ----------------- 4480 IF index%>=0 !(HIMEM+236)=(FNStyle AND NOT%1100) EOR %1000 4490 IF index%<=0 !(HIMEM+236)=(FNStyle AND NOT%110000) EOR %100000 4500 ENDPROC 4510 4520DEF PROCSquareCaps@(Draw_Path%,index%) 4530 REM ----------------- 4540 REM 4550 REM Square End Caps 4560 REM 4570 REM ----------------- 4580 LOCAL _Path% : _Path%=!Draw_Path% 4590 LOCAL _Path% : _Path%=!Draw_Path% 4600 IF _Path%<>0 THEN 4610 IF index%>=0 _Path%!36=((_Path%!36) AND NOT%1100) EOR %1000 4620 IF index%<=0 _Path%!36=((_Path%!36) AND NOT%110000) EOR %100000 4630 ENDIF 4640 ENDPROC 4650 4660DEF PROCTriangleCaps(index%,width,height) 4670IF index%>=0 THEN 4680 !(HIMEM+236)=(FNStyle AND NOT%1100) EOR %1100 4690 !(HIMEM+236)=(FNStyle AND NOT(&FF<<16)) EOR (INT(width*16))<<16 4700 !(HIMEM+236)=(FNStyle AND NOT(&FF<<24)) EOR (INT(height*16))<<24 4710 ENDIF 4720IF index%<=0 THEN 4730 !(HIMEM+236)=(FNStyle AND NOT%110000) EOR %110000 4740 !(HIMEM+236)=(FNStyle AND NOT(&FF<<16)) EOR (INT(width*16))<<16 4750 !(HIMEM+236)=(FNStyle AND NOT(&FF<<24)) EOR (INT(height*16))<<24 4760ENDIF 4770 ENDPROC 4780 4790DEF PROCTriangleCaps@(Draw_Path%,index%,width,height) 4800 REM -------------------------------------- 4810 REM 4820 REM Draws triangular caps. 4830 REM 4840 REM N.B. "width" and "pointbackward" are 4850 REM measured in terms of line width. 4860 REM 4870 REM 4880 REM /| 4890 REM < |=== 4900 REM \| 4910 REM 4920 REM 4930 REM 4940 REM E.g. width=3 means that the cap will 4950 REM be 3 line widths on either side 4960 REM 4970 REM --------------------------------------- 4980 LOCAL _Path% : _Path%=!Draw_Path% 4990 IF _Path%<>0 THEN 5000 IF index%<=0 THEN 5010 _Path%!36=((_Path%!36) AND NOT%110000) EOR %110000 5020 _Path%!36=((_Path%!36) AND NOT(&FF<<16)) EOR (INT(width*16))<<16 5030 _Path%!36=((_Path%!36) AND NOT(&FF<<24)) EOR (INT(height*16))<<24 5040 ENDIF 5050 IF index%>=0 THEN 5060 _Path%!36=((_Path%!36) AND NOT%1100) EOR %1100 5070 _Path%!36=((_Path%!36) AND NOT(&FF<<16)) EOR (INT(width*16))<<16 5080 _Path%!36=((_Path%!36) AND NOT(&FF<<24)) EOR (INT(height*16))<<24 5090 ENDIF 5100 ENDIF 5110 ENDPROC 5120 5130 5140REM ================== 5150REM 3.6 Drawing Paths 5160REM ================== 5170 5180DEF PROCDrawPath(path%) 5190 IF !(!path%)=2 THEN PROCDraw_RenderPath(!path%,FNDrawTrans) 5200 ENDPROC 5210 5220DEF PROCDraw_RenderPath(path%,transform) 5230IF path%<>0 THEN 5240LOCAL _Path%,_Dash%,_Thickness%,_Style%,_Flatness%,_Fill_Style%,_length%,_x%,_y%,_X%,_Y%,_col% 5250SYS "Hourglass_On" 5260_Flatness%=0 5270REM Store the path object's bounding box 5280REM ==================================== 5290 _x%=path%!8 : _y%=path%!12 : _X%=path%!16 : _Y%=path%!20 5300REM The style of drawing 5310REM ==================== 5320 _Thickness%=path%!32 5330 _Style%=path%!36 5340 _Path%=path%+40 5350 REM Dash Pattern (If present) 5360 REM ========================= 5370 IF (_Style% AND (1<<7)) = 0 THEN 5380 _Dash%=0 5390 ELSE 5400 _Dash%=_Path% 5410 _Path%+=4*(_Dash%!4)+8 5420 ENDIF 5430 REM Cap and Join 5440 REM ------------ 5450 path%?8 = _Style% AND %11 : REM Join style 5460 path%?9 =(_Style% AND %1100)>>2 : REM End caps 5470 path%?10=(_Style% AND %110000)>>4 : REM Start caps 5480 path%?11=0 5490 REM Mitre join limits 5500 REM ----------------- 5510 path%!12=10<<16 : REM Bevelling when < 11 degrees 5520 REM Triangular caps 5530 REM --------------- 5540 REM Cap width 5550 REM ********* 5560 _length%=path%?38 : REM # of 16'ths of line width 5570 path%?16=(_length%MOD16)<<4 : REM End caps 5580 path%?17=_length%DIV16 5590 path%?20=(_length%MOD16)<<4 : REM Start caps 5600 path%?21=_length%DIV16 5610 REM Cap length 5620 REM ********** 5630 _length%=path%?39 : REM # of 16'ths of line width 5640 path%?18=(_length%MOD16)<<4 : REM End caps 5650 path%?19=_length%DIV16 5660 path%?22=(_length%MOD16)<<4 : REM Start caps 5670 path%?23=_length%DIV16 5680REM Fill the object (if required) 5690REM ============================ 5700REM 5710REM N.B. Fill colour is value of path%!24 5720REM Do NOT fill if this value is -1 5730REM ECF patterns are used to give best approximation 5740REM to colour 5750 5760 IF (_Style% AND (1<<6))=0 THEN _Fill_Style%=&30 ELSE _Fill_Style%=&32 5770 CASE path%!24 OF 5780 WHEN -1 5790 OTHERWISE 5800 _col%=path%!24 5810 IF !(HIMEM+20)=0 AND _col%=0 THEN _col%=(255<<8)+(255<<16)+(255<<24) 5820 SYS "ColourTrans_SetGCOL",_col%,,,1<<8 5830 SYS "Draw_Fill",_Path%,_Fill_Style%,transform,_Flatness% 5840 ENDCASE 5850REM Draw the boundary 5860REM ================= 5870REM 5880REM Set the outline colour and draw the path. 5890REM N.B. 1) Outline colour is stored at path%!28 5900REM 2) Cap and join at path%+8 5910 _col%=path%!28 5920 IF !(HIMEM+20)=0 AND _col%=0 THEN _col%=(255<<8)+(255<<16)+(255<<24) 5930 SYS "ColourTrans_SetGCOL",_col% 5940 SYS "Draw_Stroke",_Path%,,transform,_Flatness%,_Thickness%,path%+8,_Dash% 5950REM Restore the path object's bounding box 5960REM ====================================== 5970 path%!8=_x% : path%!12=_y% : path%!16=_X% : path%!20=_Y% 5980 SYS "Hourglass_Off" 5990 ENDIF 6000ENDPROC
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�$ � 8 : colour%=�Shade(0,68,153)
�% � 9 : colour%=�Shade(238,238,0)
�$ � 10 : colour%=�Shade(0,204,0)
$ � 11 : colour%=�Shade(221,0,0)
( � 12 : colour%=�Shade(238,238,187)
% � 13 : colour%=�Shade(85,136,0)
"& � 14 : colour%=�Shade(255,187,0)
,& � 15 : colour%=�Shade(0,187,255)
6 �
@ =colour%
J
T� ==================
^� 5.5 Winding Rules
h� ==================
r
|� �Style=!(�+236)
�
�� �WindingRule=!(�+236)
�
�!� �WindingRule(winding_rule%)
�� winding_rule%=0 �
�,!(�+236)=(�Style � �%1000000) � %1000000
��
�,!(�+236)=(�Style � �%1000000) � %0000000
��
��
�
�-� �WindingRule@(Draw_Path%,winding_rule%)
� � -----------------------
�
� Even Odd winding Rule
�
& � ----------------------
0
� _Path%
: _Path%=!Draw_Path%
D � _Path%<>0 �
N � winding_rule%=0 �
X0 Path%!36=(�Style � �%1000000) � %1000000
b �
l0 Path%!36=(�Style � �%1000000) � %0000000
v �
� �
��
�
�� =================
�� 5.6 Dashed Lines
�� =================
�
�� �Dash=!(�+76)
�
�� �DashOff
�
!(�+76)=0
��
�
� �Dash(pattern%)
!(�+76)=pattern%
�
*!� �Dash@(Draw_Path%,pattern%)
4$ � -----------------------------
> �
H � Dash Pattern
R �
\ � - - - - - - - -
f �
p � pattern!0=n
z � pattern!4=length into
�& � pattern!8=length of 1st stroke
� �
� � etc.
� �
� � "length" in points
� �
�$ � -----------------------------
� � _Path%,_i%,_n%,_max%
� _Path%=!Draw_Path%
� � _Path%<>0 �
� _n%=pattern%!4
� _Path%!4+=4*(_n%+2)
�0 _Path%!36=((_Path%!36) � �(1<<7)) � (1<<7)
_max%=!(�+4)
" �MoveMemory(_Path%+40,_n%+2)
_i%=Draw_Path%-4
$2 ȕ _i%>=_max% : !_i%+=4*(_n%+2) : _i%-=4 : �
. � _i%=0 � _n%+1
8/ _Path%!(40+4*_i%)=(pattern%!(4*_i%))*640
B �
L _Path%!44=_n%
V �
` �
j
t%� �DashPattern(NumberOfElements%)
~� _pattern%
�P� NumberOfElements%<=0 � � 0, "Number of elements in dash pattern negative!"
�%� _pattern% 8+4*NumberOfElements%
�'� _i%=0 � 4+4*NumberOfElements% � 4
� _pattern%!_i%=0
� �
�" _pattern%!4=NumberOfElements%
�=_pattern%
�
�)� �DashLength(pattern%,item%,length%)
�I� item%<0 � item%>(pattern%!4) � � 0, "No such item in Dash pattern!"
�@� item%=0 � !pattern%=length% � pattern%!(4+4*item%)=length%
��
� �EquiDash(length%)
$ � -----------------------------
�
( � Equidistant Dash Pattern
2 �
< � - - - - - - - - - -
F �
P � Arguments in OS units
Z �
d$ � -----------------------------
n � _pattern : � _pattern 12
x3!_pattern=0 : _pattern!4=1 : _pattern!8=length%
�
=_pattern
�
�� �DotDash(length%)
�$ � -----------------------------
� �
�# � Non-equidistant Dash Pattern
� �
� � -- - -- - -- - -- - -- -
� �
� � Arguments in OS units
� �
�$ � -----------------------------
� � _pattern : � _pattern 6*4
!_pattern=0 : _pattern!4=4
/ _pattern!8=2*length% : _pattern!12=length%
/ _pattern!16=length% : _pattern!20=length%
" =_pattern
,
6/� �NonEquiDash(stroke_length%,move_length%)
@$ � -----------------------------
J �
T# � Non-equidistant Dash Pattern
^ �
h" � -- -- -- -- -- -- -- -- --
r �
| � Arguments in inches
� �
�$ � -----------------------------
� � _pattern : � _pattern 4*4
� !_pattern=0 : _pattern!4=2
�9 _pattern!8=stroke_length% : _pattern!12=move_length%
� =_pattern
�
�
�� ==========
�� 5.7 Joins
�� ==========
�
�� �Joins(index%)
Ȏ index% �
� 0 : �RoundJoins
� 1 : �BevelJoins
&
0 �MitreJoins
:�
D�
N
X � �Joins@(Draw_Path%,index%)
bȎ index% �
l"� 0 : �RoundJoins@(Draw_Path%)
v"� 1 : �BevelJoins@(Draw_Path%)
�
� �MitreJoins@(Draw_Path%)
��
��
�
�� �RoundJoins
� � ------------
� �
� � Round Joins
� �
� � ------------
�$ !(�+236)=(�Style � �%11) � %01
� �
� �RoundJoins@(Draw_Path%)
� ------------
�
* � Round Joins
4 �
> � ------------
H
� _Path%
R _Path%=!Draw_Path%
\7 � _Path%<>0 � _Path%!36=((_Path%!36) � �%11) � %01
f �
p
z� �BevelJoins
� � -------------------------
� �
� � Bevel Joins
� �
� � N.B. This is the default.
� �
� � -------------------------
�# !(�+236)=(�Style � �%11) � %10
� �
�
� � �BevelJoins@(Draw_Path%)
� � -------------------------
� �
� Bevel Joins
�
� N.B. This is the default.
$ �
. � -------------------------
8" � _Path% : _Path%=!Draw_Path%
B7 � _Path%<>0 � _Path%!36=((_Path%!36) � �%11) � %10
L �
V
`� �MitreJoins
j � ------------
t �
~ � Mitre Joins
� �
� � ------------
�# !(�+236)=(�Style � �%11) � %00
� �
�
� � �MitreJoins@(Draw_Path%)
� � ------------
� �
� � Mitre Joins
� �
� � ------------
�" � _Path% : _Path%=!Draw_Path%
7 � _Path%<>0 � _Path%!36=((_Path%!36) � �%11) � %00
�
� ==============
(� 5.8 Line Caps
2� ==============
<
F� �ButtCaps(index%)
P � ---------------------
Z �
d& � Butt Caps index= 1 forward only
n# � =-1 back only
x � = 0 both
� � N.B. This the default
� �
� � ---------------------
�3 � index%>=0 !(�+236)=(�Style � �%1100) � %0000
�7 � index%<=0 !(�+236)=(�Style � �%110000) � %000000
� �
�
�#� �ButtCaps@(Draw_Path%,index%)
� � ---------------------
� �
� � Butt End Caps
� �
� � N.B. This the default
�
� ---------------------
" � _Path% : _Path%=!Draw_Path%
" � _Path%<>0 �
,: � index%>=0 _Path%!36=((_Path%!36) � �%1100) � %0000
6> � index%<=0 _Path%!36=((_Path%!36) � �%110000) � %000000
@ �
J �
T
^� �RoundCaps(index%)
h � -----------------
r �
| � Round End Caps
� �
� � -----------------
�4 � index%>=0 !(�+236)=(�Style � �%1100) � %0100
�8 � index%<=0 !(�+236)=(�Style � �%110000) � %010000
� �
�
�$� �RoundCaps@(Draw_Path%,index%)
� � -----------------
� �
� � Round End Caps
� �
� � -----------------
�" � _Path% : _Path%=!Draw_Path%
� _Path%<>0 �
: � index%>=0 _Path%!36=((_Path%!36) � �%1100) � %0100
> � index%<=0 _Path%!36=((_Path%!36) � �%110000) � %010000
& �
0 �
:
D� �SquareCaps(index%)
N � -----------------
X �
b � Square End Caps
l �
v � -----------------
�3 � index%>=0 !(�+236)=(�Style � �%1100) � %1000
�7 � index%<=0 !(�+236)=(�Style � �%110000) � %100000
� �
�
�%� �SquareCaps@(Draw_Path%,index%)
� � -----------------
� �
� � Square End Caps
� �
� � -----------------
�" � _Path% : _Path%=!Draw_Path%
�" � _Path% : _Path%=!Draw_Path%
� � _Path%<>0 �
: � index%>=0 _Path%!36=((_Path%!36) � �%1100) � %1000
> � index%<=0 _Path%!36=((_Path%!36) � �%110000) � %100000
�
�
*
4(� �TriangleCaps(index%,width,height)
>� index%>=0 �
H' !(�+236)=(�Style � �%1100) � %1100
R7 !(�+236)=(�Style � �(&FF<<16)) � (�(width*16))<<16
\8 !(�+236)=(�Style � �(&FF<<24)) � (�(height*16))<<24
f �
p� index%<=0 �
z+ !(�+236)=(�Style � �%110000) � %110000
�7 !(�+236)=(�Style � �(&FF<<16)) � (�(width*16))<<16
�8 !(�+236)=(�Style � �(&FF<<24)) � (�(height*16))<<24
��
� �
�
�4� �TriangleCaps@(Draw_Path%,index%,width,height)
�- � --------------------------------------
� �
� � Draws triangular caps.
� �
�, � N.B. "width" and "pointbackward" are
�- � measured in terms of line width.
� �
�
� /|
� < |===
$ � \|
. �
8 �
B �
L, � E.g. width=3 means that the cap will
V, � be 3 line widths on either side
` �
j. � ---------------------------------------
t" � _Path% : _Path%=!Draw_Path%
~ � _Path%<>0 �
� � index%<=0 �
�2 _Path%!36=((_Path%!36) � �%110000) � %110000
�> _Path%!36=((_Path%!36) � �(&FF<<16)) � (�(width*16))<<16
�? _Path%!36=((_Path%!36) � �(&FF<<24)) � (�(height*16))<<24
� �
� � index%>=0 �
�. _Path%!36=((_Path%!36) � �%1100) � %1100
�> _Path%!36=((_Path%!36) � �(&FF<<16)) � (�(width*16))<<16
�? _Path%!36=((_Path%!36) � �(&FF<<24)) � (�(height*16))<<24
� �
� �
� �
� ==================
� 3.6 Drawing Paths
(� ==================
2
<� �DrawPath(path%)
F8 � !(!path%)=2 � �Draw_RenderPath(!path%,�DrawTrans)
P �
Z
d'� �Draw_RenderPath(path%,transform)
n� path%<>0 �
x^� _Path%,_Dash%,_Thickness%,_Style%,_Flatness%,_Fill_Style%,_length%,_x%,_y%,_X%,_Y%,_col%
�ș "Hourglass_On"
�_Flatness%=0
�*� Store the path object's bounding box
�*� ====================================
�@ _x%=path%!8 : _y%=path%!12 : _X%=path%!16 : _Y%=path%!20
�� The style of drawing
�� ====================
� _Thickness%=path%!32
� _Style%=path%!36
� _Path%=path%+40
�# � Dash Pattern (If present)
�# � =========================
�" � (_Style% � (1<<7)) = 0 �
_Dash%=0
�
_Dash%=_Path%
"" _Path%+=4*(_Dash%!4)+8
, �
6 � Cap and Join
@ � ------------
J6 path%?8 = _Style% � %11 : � Join style
T4 path%?9 =(_Style% � %1100)>>2 : � End caps
^6 path%?10=(_Style% � %110000)>>4 : � Start caps
h path%?11=0
r � Mitre join limits
| � -----------------
�A path%!12=10<<16 : � Bevelling when < 11 degrees
� � Triangular caps
� � ---------------
� � Cap width
� � *********
�A _length%=path%?38 : � # of 16'ths of line width
�. path%?16=(_length%�16)<<4 : � End caps
� path%?17=_length%�16
�0 path%?20=(_length%�16)<<4 : � Start caps
� path%?21=_length%�16
� � Cap length
� � **********
�A _length%=path%?39 : � # of 16'ths of line width
. path%?18=(_length%�16)<<4 : � End caps
path%?19=_length%�16
0 path%?22=(_length%�16)<<4 : � Start caps
& path%?23=_length%�16
0#� Fill the object (if required)
:"� ============================
D�
N+� N.B. Fill colour is value of path%!24
X*� Do NOT fill if this value is -1
b;� ECF patterns are used to give best approximation
l� to colour
v
�D � (_Style% � (1<<6))=0 � _Fill_Style%=&30 � _Fill_Style%=&32
� Ȏ path%!24 �
�
� -1
�
� _col%=path%!24
�E � !(�+20)=0 � _col%=0 � _col%=(255<<8)+(255<<16)+(255<<24)
�0 ș "ColourTrans_SetGCOL",_col%,,,1<<8
�B ș "Draw_Fill",_Path%,_Fill_Style%,transform,_Flatness%
� �
�� Draw the boundary
�� =================
��
�/� Set the outline colour and draw the path.
2� N.B. 1) Outline colour is stored at path%!28
%� 2) Cap and join at path%+8
_col%=path%!28
B � !(�+20)=0 � _col%=0 � _col%=(255<<8)+(255<<16)+(255<<24)
*& ș "ColourTrans_SetGCOL",_col%
4P ș "Draw_Stroke",_Path%,,transform,_Flatness%,_Thickness%,path%+8,_Dash%
>,� Restore the path object's bounding box
H,� ======================================
R@ path%!8=_x% : path%!12=_y% : path%!16=_X% : path%!20=_Y%
\ ș "Hourglass_Off"
f �
p�
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