Subversion Repositories wimsdev

Rev

Rev 16722 | Rev 16844 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 16722 Rev 16834
Line 726... Line 726...
726 
 3=xyoffset
 726 
 3=xyoffset
727 
 4=centered
 727 
 4=centered
728 
*/
 728 
*/
729 
fprintf(js_include_file,"\n/* draw sub sup imitation in canvas */\
 729 
fprintf(js_include_file,"\n/* draw sub sup imitation in canvas */\
730 
function draw_subsup(ctx,x,y,txt,use_offset){\
 730 
function draw_subsup(ctx,x,y,txt,use_offset){\
- 
 
 731 
 var fnt = ctx.font;\
- 
 
 732 
 var S = fnt.replace(/[A-Za-z]/g, '');\
- 
 
 733 
 var s = 0.8*S;\
- 
 
 734 
 var px;if(fnt.indexOf('px')>0){px = 'px';}else{if(fnt.indexOf('em')>0){px = 'em';}else{px = 'pt';}};\
731 
 var C;var c;var len = txt.length;var baseline = 'middle';var space = 0;ctx.save();var subsup=0;\
 735 
 var C;var c;var len = txt.length;var baseline = 'middle';var space = 0;ctx.save();var subsup=0;\
732 
 var m = 0.4*(ctx.measureText(txt).width);\
 736 
 var m = 0.4*(ctx.measureText(txt).width);\
733 
 var h = ctx.measureText('M').width;\
 737 
 var h = ctx.measureText('M').width;\
734 
 switch(use_offset){\
 738 
 switch(use_offset){\
735 
  case 0:break;\
 739 
  case 0:break;\
Line 737... Line 741...
737 
  case 2:x=x+h;break;\
 741 
  case 2:x=x+h;break;\
738 
  case 3:x=x+h;y=y-h;;break;\
 742 
  case 3:x=x+h;y=y-h;;break;\
739 
  case 4:x=x-m;break;\
 743 
  case 4:x=x-m;break;\
740 
  default:break;\
 744 
  default:break;\
741 
 };\
 745 
 };\
742 
 var S = parseInt(ctx.font) || 10;var s = 0.8*(parseInt(ctx.font)) || 8;\
 - 
 
743 
 ctx.font = S+'px Helvetica';ctx.textBaseline = baseline;\
 746 
 ctx.font = S+px+' Helvetica';ctx.textBaseline = baseline;\
744 
 for( c = 0 ; c < len ;c++){\
 747 
 for( c = 0 ; c < len ;c++){\
745 
  C = txt.charAt(c);space = 0;\
 748 
  C = txt.charAt(c);space = 0;\
746 
  if(C == '_'){ctx.font = s+'px Helvetica';subsup = 1;c++;space = 3;baseline='top';C = txt.charAt(c);}\
 749 
  if(C == '_'){ctx.font = s+px+' Helvetica';subsup = 1;c++;space = 3;baseline='top';C = txt.charAt(c);}\
747 
  else\
 750 
  else\
748 
  if(C == '^'){ctx.font = s+'px Helvetica';subsup = 1;c++;space = 3;baseline='bottom';C = txt.charAt(c);}\
 751 
  if(C == '^'){ctx.font = s+px+' Helvetica';subsup = 1;c++;space = 3;baseline='bottom';C = txt.charAt(c);}\
749 
  else\
 752 
  else\
750 
  if(C == ' '){ctx.font = S+'px Helvetica';if(subsup == 1){space = 0.6*s - (ctx.measureText('M').width);subsup = 0;};baseline = 'middle';}\
 753 
  if(C == ' '){ctx.font = S+px+' Helvetica';if(subsup == 1){space = 0.6*s - (ctx.measureText('M').width);subsup = 0;};baseline = 'middle';}\
751 
  else\
 754 
  else\
752 
  if(C >= '0' && C <= '9'){ctx.font = s+'px Helvetica';}\
 755 
  if(C >= '0' && C <= '9'){ctx.font = s+'px Helvetica';}\
753 
  else{ctx.font = S+'px Helvetica';};\
 756 
  else{ctx.font = S+px+' Helvetica';};\
754 
  ctx.textBaseline = baseline;ctx.fillText(C,x,y);x = space + x + ctx.measureText(C).width;\
 757 
  ctx.textBaseline = baseline;ctx.fillText(C,x,y);x = space + x + ctx.measureText(C).width;\
755 
 };\
 758 
 };\
756 
 ctx.stroke();\
 759 
 ctx.stroke();\
757 
 ctx.restore();\
 760 
 ctx.restore();\
758 
 return;\
 761 
 return;\