From 9ef4fc5760cbe5b6bdd8a14e24f4bf6d0544f761 Mon Sep 17 00:00:00 2001 From: Andrew Plumb Date: Mon, 20 Feb 2012 00:11:10 -0500 Subject: [PATCH] Cleaned up braille cell and line spacing. --- fonts.scad | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/fonts.scad b/fonts.scad index 697ee6b..5f4dfa7 100644 --- a/fonts.scad +++ b/fonts.scad @@ -529,6 +529,7 @@ function 8bit_polyfont(dx=0.1,dy=0.1) = [ // // Additional References: // http://www.loc.gov/nls/specs/800.pdf +// http://www.tiresias.org/research/reports/braille_cell.htm module braille_ascii_spec800(inString,dot_backing=true,cell_backing=false,justify=1,align=-1,dot_h=0.48,dot_d=1.44,dot_spacing=2.340,cell_d2d_spacing=6.2, line_d2d_spacing=10.0, echo_translate=true) { // justify: // -1 : left side @@ -543,14 +544,16 @@ module braille_ascii_spec800(inString,dot_backing=true,cell_backing=false,justif x_shift=thisFont[0][0]; y_shift=thisFont[0][1]; theseIndicies=search(inString,thisFont[2],1,1); - for( i=[0:len(theseIndicies)-1]) translate([i*x_shift,-y_shift*(align+1)/2]) assign(dotPattern=thisFont[2][theseIndicies[i]][6]) { - if(dot_backing) translate([cell_d2d_spacing/2-dot_d/2,line_d2d_spacing/2-dot_d/2,-dot_h]) - cube(size=[x_shift-cell_d2d_spacing+dot_d,y_shift-line_d2d_spacing+dot_d,dot_h],center=false); + for( i=[0:len(theseIndicies)-1]) translate([i*x_shift-(1-justify)*x_shift*len(theseIndicies)/2,-y_shift*(align+1)/2]) + assign(dotPattern=thisFont[2][theseIndicies[i]][6]) { + if(dot_backing) translate([cell_d2d_spacing/2-dot_spacing/2-dot_d/2,line_d2d_spacing/2-dot_spacing-dot_d/2,-dot_h]) + cube(size=[dot_spacing+dot_d,2*dot_spacing+dot_d,dot_h],center=false); if(cell_backing) translate([0,0,-dot_h]) cube(size=[x_shift,y_shift,dot_h],center=false); if(echo_translate) echo(str(inString[i]," maps to '",thisFont[2][theseIndicies[i]][4],"'")); for(dotIndex=dotPattern) { - translate([cell_d2d_spacing/2+floor((dotIndex-1)/3)*dot_spacing, line_d2d_spacing/2+(2-(dotIndex-1)%3)*dot_spacing]) + translate([cell_d2d_spacing/2-dot_spacing/2+floor((dotIndex-1)/3)*dot_spacing + , line_d2d_spacing/2-dot_spacing+(2-(dotIndex-1)%3)*dot_spacing]) scale([dot_d,dot_d,2*dot_h]) sphere($fn=8,r=0.5); } } @@ -562,7 +565,7 @@ module braille_ascii_spec800(inString,dot_backing=true,cell_backing=false,justif // 2 5 // 3 6 function braille_ascii_font(dot_h=0.48,dot_d=1.44,dot_spacing=2.340,cell_d2d_spacing=6.2,line_d2d_spacing=10.0) = [ - [2*dot_spacing+cell_d2d_spacing,3*dot_spacing+line_d2d_spacing,0,"bump"],["Decimal Byte","Caret Notation","Character Escape Code","Abbreviation","Name","Bound Box","[bump_list]"] + [cell_d2d_spacing,line_d2d_spacing,0,"bump"],["Decimal Byte","Caret Notation","Character Escape Code","Abbreviation","Name","Bound Box","[bump_list]"] ,[ [ 0,"^@","\0","NUL","Null character",[[0,0],[2,3]],[]] ,[ 1,"^A","", "SOH","Start of Header",[[0,0],[2,3]],[]]