Brother International HL-1070 Technical Reference - Page 184
HP-GL/2 - 36, TR - Transparency mode
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2001/10/02 • With screen type 21 option 1 specifies one of six predefined PCL cross-hatch patterns (patterns 1 - 6). option 2 is ignored. • With screen type 22, option 1 specifies the ID number of PCL user-defined pattern which is defined by the ESC*c#W command. option 2 is ignored. • With fill screen type 130 option 1 specifies the percentage of shading ( 0 - 100 ): option 2 is ignored. • If option 1 and option 2 are omitted, the most recently specified values for these parameters, for the specified screen type, are used. • All screening patterns use the current anchor corner. • Invoking the command with no parameter turns screening off. This is equivalent to SV0; 10 '-Screened Vectors20 WIDTH "LPT1:", 255 30 LPRINT CHR$(27); "E"; 40 LPRINT CHR$(27); "%0B"; 50 LPRINT "IN;SP1;"; 60 LPRINT "SV1,15;PA4000,5000;CI500;" 70 LPRINT "SV1,50;PA5000,4000;CI400;" 80 LPRINT "SV1,100;PA6000,6000;CI300;" 90 LPRINT "PW10;SV21,5;PA2000,1000;PD;AA0,0,90;PC;" 100 LPRINT "PW5;SV21,3;PA6000,6000;CI500;" 110 LPRINT "PW7;SV21,6;PA2000,8000;PDPA5000,8000;PU;" 120 LPRINT "PW7;SV21,6;PA2000,8000;PDPA5000,8000;PU;" 130 LPRINT "1,1,0,0,0,0,0,0,1,1,"; 140 LPRINT "0,0,1,1,0,0,1,1,0,0,"; 150 LPRINT "0,0,0,0,1,1,0,0,0,0,"; 160 LPRINT "0,0,1,1,0,0,1,1,0,0,"; 170 LPRINT "1,1,0,0,0,0,0,0,1,1;"; 180 LPRINT "PW15;SV2,3;PA4000,2000;PM0;PD6000,2000,6000,4000,4000,4000;PM1;PM2;EP; " 190 LPRINT CHR$(27); "%0A"; 200 LPRINT CHR$(27); "E"; 210 END TR - Transparency mode TR [ n ] [;] n ; transparency type • This command turns transparency mode on and off. Transparency mode defines how source and destination graphics images interact. • n is either 0 (off) or 1(on). • When transparency mode is on, the white parts of a source image (the image that is being superimposed on the destination image) do not affect the destination image - that is, part of the destination image will be visible beneath the source image. • When transparency mode is off the destination image is not visible beneath the source image. • Invoking the command with no parameter turns transparency mode on. This is equivalent to TR1; • An Esc E reset, a control panel reset, the IN command and the DF command all turn transparency mode on. 10 'Transparency Mode20 WIDTH "LPT1:", 255 30 LPRINT CHR$(27); "E"; 40 LPRINT CHR$(27); "%0b"; 50 LPRINT "IN;SP1;"; 60 'PART1 TR1 70 'Original Destination 1 80 LPRINT "TR1;PA1900,4900;PM0;PM3100;4900,2500,6100;PM1;" 90 LPRINT "PM2;FP;" 100 'Source 1 110 LPRINT "FT10,50;PA2000,5000;RR500,500;PA2500,5500;RR500,500;" 120 LPRINT "FT10,1;PA2500,5000;RR500,500;PA2000,5500;RR500,500;FT;" 130 'PART2 TR0 140 'Original Destination 2 CHAPTER 4 HP-GL/2 - 36
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