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716 | };\ |
716 | };\ |
717 | return;\ |
717 | return;\ |
718 | };",canvas_root_id,canvas_root_id); |
718 | };",canvas_root_id,canvas_root_id); |
719 | break; |
719 | break; |
720 | 720 | ||
721 | case DRAW_SUBSUP: |
721 | case DRAW_SUBSUP:/* Uses 'script-size for numbers and for sub & sup strings */ |
722 | fprintf(js_include_file,"\n/* draw sub sup imitation in canvas */\ |
722 | fprintf(js_include_file,"\n/* draw sub sup imitation in canvas */\ |
723 | function draw_subsup(ctx,x,y,txt){\ |
723 | function draw_subsup(ctx,x,y,txt){\ |
724 | var C;var c;var len = txt.length;var baseline = 'middle';var space = 0;ctx.save();var subsup=0;\ |
724 | var C;var c;var len = txt.length;var baseline = 'middle';var space = 0;ctx.save();var subsup=0;\ |
725 | var S = parseInt(ctx.font) || 10;var s = 0.8*(parseInt(ctx.font)) || 8;\ |
725 | var S = parseInt(ctx.font) || 10;var s = 0.8*(parseInt(ctx.font)) || 8;\ |
726 | ctx.font = S+'px Helvetica';ctx.textBaseline = baseline;\ |
726 | ctx.font = S+'px Helvetica';ctx.textBaseline = baseline;\ |
727 | for( c = 0 ; c < len ;c++){\ |
727 | for( c = 0 ; c < len ;c++){\ |
728 | C = txt.charAt(c);space = 0;\ |
728 | C = txt.charAt(c);space = 0;\ |
729 | if(C == '_'){ctx.font = s+'px Helvetica';subsup = 1;c++;space = 3;baseline='top';C = txt.charAt(c);} |
729 | if(C == '_'){ctx.font = s+'px Helvetica';subsup = 1;c++;space = 3;baseline='top';C = txt.charAt(c);}\ |
- | 730 | else\ |
|
730 | if(C == '^'){ctx.font = s+'px Helvetica';subsup = 1;c++;space = 3;baseline='bottom';C = txt.charAt(c);} |
731 | if(C == '^'){ctx.font = s+'px Helvetica';subsup = 1;c++;space = 3;baseline='bottom';C = txt.charAt(c);}\ |
- | 732 | else\ |
|
731 | if(C == ' '){ctx.font = S+'px Helvetica';if(subsup == 1){space = 0.6*s - (ctx.measureText('M').width);subsup = 0;};baseline = 'middle';} |
733 | if(C == ' '){ctx.font = S+'px Helvetica';if(subsup == 1){space = 0.6*s - (ctx.measureText('M').width);subsup = 0;};baseline = 'middle';}\ |
- | 734 | else\ |
|
- | 735 | if(C >= '0' && C <= '9'){ctx.font = s+'px Helvetica';}\ |
|
- | 736 | else{ctx.font = S+'px Helvetica';};\ |
|
732 | ctx.textBaseline = baseline;ctx.fillText(C,x,y);x = space + x + ctx.measureText(C).width;\ |
737 | ctx.textBaseline = baseline;ctx.fillText(C,x,y);x = space + x + ctx.measureText(C).width;\ |
733 | };\ |
738 | };\ |
734 | ctx.stroke();\ |
739 | ctx.stroke();\ |
735 | ctx.restore();\ |
740 | ctx.restore();\ |
736 | return;\ |
741 | return;\ |