caiyu/solvespace
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Add special characters to font, to represent checkboxes and radio

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buttons. This requires some tools to convert .png images to that,
and that I put the characters in a two-dimensional grid in the
texture (since one-dimensional strip gets wider than the hardware
supports).

[git-p4: depot-paths = "//depot/solvespace/": change = 2138]
This commit is contained in:
Jonathan Westhues 2010-05-08 17:20:02 -08:00
parent 7a2941d2ea
commit 2dbb21aecd
12 changed files with 142 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

68
bitmapextra.table Normal file
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@ -0,0 +1,68 @@
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 0,
0, 0, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 0,
0, 0, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 0,
0, 0, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 0,
0, 0, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 0,
0, 0, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 0,
0, 0, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 0,
0, 0, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 0,
0, 0, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 0,
0, 0, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 0,
0, 0, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 0,
0, 0, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 0,
0, 0, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 0,
0, 0, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 0,
0, 0, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 0,
0, 0, 255, 255, 0, 0, 0, 255, 255, 255, 0, 0, 0, 255, 255, 0,
0, 0, 255, 255, 0, 0, 0, 0, 255, 255, 255, 0, 0, 255, 255, 0,
0, 0, 255, 255, 0, 0, 0, 0, 0, 255, 255, 255, 0, 255, 255, 0,
0, 0, 255, 255, 0, 0, 0, 0, 255, 255, 255, 0, 0, 255, 255, 0,
0, 0, 255, 255, 0, 0, 0, 255, 255, 255, 0, 0, 0, 255, 255, 0,
0, 0, 255, 255, 0, 0, 255, 255, 255, 0, 0, 0, 0, 255, 255, 0,
0, 0, 255, 255, 0, 255, 255, 255, 0, 0, 0, 0, 0, 255, 255, 0,
0, 0, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 0,
0, 0, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 0,
0, 0, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255, 0, 0, 0, 0,
0, 0, 0, 255, 255, 255, 0, 0, 0, 0, 255, 255, 255, 0, 0, 0,
0, 0, 0, 255, 255, 0, 0, 0, 0, 0, 0, 255, 255, 0, 0, 0,
0, 0, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 0, 0,
0, 0, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 0, 0,
0, 0, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 0, 0,
0, 0, 255, 255, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 0, 0,
0, 0, 0, 255, 255, 0, 0, 0, 0, 0, 0, 255, 255, 0, 0, 0,
0, 0, 0, 255, 255, 255, 0, 0, 0, 0, 255, 255, 255, 0, 0, 0,
0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255, 0, 0, 0, 0,
0, 0, 0, 255, 255, 255, 0, 0, 0, 0, 255, 255, 255, 0, 0, 0,
0, 0, 0, 255, 255, 0, 0, 0, 0, 0, 0, 255, 255, 0, 0, 0,
0, 0, 255, 255, 0, 0, 0, 255, 255, 0, 0, 0, 255, 255, 0, 0,
0, 0, 255, 255, 0, 0, 255, 255, 255, 255, 0, 0, 255, 255, 0, 0,
0, 0, 255, 255, 0, 0, 255, 255, 255, 255, 0, 0, 255, 255, 0, 0,
0, 0, 255, 255, 0, 0, 0, 255, 255, 0, 0, 0, 255, 255, 0, 0,
0, 0, 0, 255, 255, 0, 0, 0, 0, 0, 0, 255, 255, 0, 0, 0,
0, 0, 0, 255, 255, 255, 0, 0, 0, 0, 255, 255, 255, 0, 0, 0,
0, 0, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 255, 255, 255, 255, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,

3
bitmapfont.table
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@ -1,4 +1,4 @@
static const BYTE FontTexture[] = {
static const BYTE FontTexture[256*16*16] = {
0, 0, 0, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 0, 0, 0,
0, 0, 0, 255, 0, 0, 0, 0, 0, 0, 0, 0, 255, 0, 0, 0,
0, 0, 0, 255, 0, 0, 0, 0, 0, 0, 0, 0, 255, 0, 0, 0,
@ -2175,4 +2175,5 @@ static const BYTE FontTexture[] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
#include "bitmapextra.table"
};

43
glhelper.cpp
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@ -480,6 +480,21 @@ void glxDepthRangeLockToFront(bool yes)
void glxCreateBitmapFont(void)
{
// Place the font in our texture in a two-dimensional grid; 1d would
// be simpler, but long skinny textures (256*16 = 4096 pixels wide)
// won't work.
static BYTE MappedTexture[4*16*64*16];
int a, i;
for(a = 0; a < 256; a++) {
int row = a / 4, col = a % 4;
for(i = 0; i < 16; i++) {
memcpy(MappedTexture + row*4*16*16 + col*16 + i*4*16,
FontTexture + a*16*16 + i*16,
16);
}
}
glBindTexture(GL_TEXTURE_2D, TEXTURE_BITMAP_FONT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
@ -487,22 +502,32 @@ void glxCreateBitmapFont(void)
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA,
16, 128*16,
16*4, 64*16,
0,
GL_ALPHA, GL_UNSIGNED_BYTE,
FontTexture);
MappedTexture);
}
void glxBitmapCharQuad(char c, double x, double y)
{
int w = SS.TW.CHAR_WIDTH,
h = SS.TW.CHAR_HEIGHT;
BYTE b = (BYTE)c;
int w, h;
if(c != ' ' && c != 0 && c < 128) {
double s0 = 0,
s1 = h/16.0,
t0 = c/128.0,
t1 = t0 + (w/16.0)/128;
if(b & 0x80) {
// Special character, like a checkbox or a radio button
w = h = 16;
} else {
// Normal character from our font
w = SS.TW.CHAR_WIDTH,
h = SS.TW.CHAR_HEIGHT;
}
if(b != ' ' && b != 0) {
int row = b / 4, col = b % 4;
double s0 = col/4.0,
s1 = (col+1)/4.0,
t0 = row/64.0,
t1 = t0 + (w/16.0)/64;
glTexCoord2d(s1, t0);
glVertex2d(x, y);

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1
png2c.pl
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@ -7,6 +7,7 @@ open(OUT, ">$out") or die "$out: $!";
open(PROTO, ">$proto") or die "$proto: $!";
for $file (<icons/*.png>) {
next if $file =~ /char-/;
$file =~ m#.*/(.*)\.png#;
$base = "Icon_$1";

28
pngchar2c.pl Normal file
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@ -0,0 +1,28 @@
#!/usr/bin/perl
use GD;
for $file (sort <icons/char-*.png>) {
open(PNG, $file) or die "$file: $!\n";
$img = newFromPng GD::Image(\*PNG) or die;
$img->trueColor(1);
close PNG;
($width, $height) = $img->getBounds();
die "$file: $width, $height" if ($width != 16) or ($height != 16);
for($x = 0; $x < 16; $x++) {
for($y = 0; $y < 16; $y++) {
$index = $img->getPixel($x, $y);
($r, $g, $b) = $img->rgb($index);
if($r + $g + $b < 11) {
print " 0, ";
} else {
print "255, ";
}
}
print "\n";
}
print "\n";
}

4
tools/ttf2c.cpp
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@ -20,7 +20,7 @@ int main(void)
SelectObject(hdc, bitmap);
SelectObject(hdc, font);
printf("static const BYTE FontTexture[] = {\n");
printf("static const BYTE FontTexture[256*16*16] = {\n");
int c;
for(c = 0; c < 128; c++) {
@ -45,7 +45,7 @@ int main(void)
}
printf("\n");
}
printf("#include \"bitmapextra.table\"\n");
printf("};\n");
return 0;

5
ui.h
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@ -33,6 +33,11 @@ public:
static const int LINE_HEIGHT = 20;
static const int LEFT_MARGIN = 6;
static const int CHECK_FALSE = 0x80;
static const int CHECK_TRUE = 0x81;
static const int RADIO_FALSE = 0x82;
static const int RADIO_TRUE = 0x83;
int scrollPos; // The scrollbar position, in half-row units
int halfRows; // The height of our window, in half-row units

3
wishlist.txt
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@ -1,8 +1,7 @@
add checked/unchecked checkbox and radio button
fix bug with rotation in plane where green line stays displayed
expose transformed point stuff in library
group option to make dimensions always reference?
more tangencies
more tangencies, and rounding (of requests, not parametric)
-----
rounding, as a special group