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Added outline_2d() and bold_2d()

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Wrapper modules for rendering outline and bold text from a set of font
points and paths.
This commit is contained in:
Andrew Plumb 2012-02-14 23:56:09 -05:00
parent 1a31137eee
commit adb5b65655
1 changed files with 31 additions and 0 deletions
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31
fonts.scad
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@ -1,6 +1,37 @@
// Font Functions
// Encoding from http://en.wikipedia.org/wiki/ASCII
module outline_2d(outline,points,paths,width=0.1,resolution=8) {
if(outline && resolution > 4) {
for(j=[0:len(paths)-1]) union() {
for(i=[1:len(paths[j])-1]) hull() {
translate(points[paths[j][i-1]]) circle($fn=resolution,r=width/2);
translate(points[paths[j][i]]) circle($fn=resolution,r=width/2);
}
hull() {
translate(points[paths[j][len(paths[j])-1]]) circle($fn=resolution,r=width/2);
translate(points[paths[j][0]]) circle($fn=resolution,r=width/2);
}
}
} else {
polygon(points=points,paths=paths);
}
}
module bold_2d(bold,width=0.2,resolution=8) {
for(j=[0:$children-1]) {
if(bold) {
union() {
child(j);
for(i=[0:resolution-1]) assign(dx=width*cos(360*i/resolution),dy=width*sin(360*i/resolution))
translate([dx,dy]) child(j);
}
} else {
child(j);
}
}
}
function 8bit_polyfont(dx=0.1,dy=0.1) = [
[8,8,0,"fixed"],["Decimal Byte","Caret Notation","Character Escape Code","Abbreviation","Name","Bound Box","[points,paths]"]
,[