Techwizz/Gobligine
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Faster FontMeasureWidths() from Marcelo Leitner.

Browse source
This commit is contained in:
johns 2001-03-02 17:32:57 +00:00
parent c61ee07525
commit ebaef3c111
1 changed files with 10 additions and 15 deletions

25
src/video/font.cpp
View file

@ -554,31 +554,26 @@ global int DrawReverseNumber(int x,int y,unsigned font,int number)
*/
local void FontMeasureWidths(ColorFont* fp)
{
int i, x, y, h, w;
int y;
const unsigned char* sp;
const unsigned char* lp;
const unsigned char* gp;
const Graphic *sprite;
sprite = fp->Graphic;
w = sprite->Width;
h = fp->Height;
for (y = 1; y < 207; y++) {
sp = sprite->Frames + y * h * w - 1;
gp = sp + w * h;
x = 0;
sp = fp->Graphic->Frames + y * fp->Height * fp->Graphic->Width - 1;
gp = sp + fp->Graphic->Width * fp->Height;
fp->CharWidth[y] = 0;
while (sp < gp) {
lp = sp + w;
while (sp < lp) {
if (*++sp != 255) {
i = w - (lp - sp);
if (i > x) { // max width
x = i;
lp = sp + fp->Graphic->Width - 1;
for (;sp < lp; --lp) {
if (*lp != 255) {
if (lp - sp > fp->CharWidth[y]) { // max width
fp->CharWidth[y] = lp - sp;
}
}
}
sp += fp->Graphic->Width;
}
fp->CharWidth[y] = x;
}
fp->CharWidth[0] = fp->Width / 2; // a reasonable value for SPACE
}