qi-hardware/antorcha
1
0
Fork 0
mirror of git://projects.qi-hardware.com/antorcha.git synced 2024-11-22 06:47:12 +02:00
Code

tools/libtxt/font.c (do_draw): we can now have negative coordinates; clip them too

Browse Source
This commit is contained in:
Werner Almesberger 2012-06-30 13:57:03 -03:00
parent 5e94179a29
commit 3faf58c601
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
tools/libtxt/font.c
View File

@ -256,10 +256,10 @@ static void do_draw(uint8_t *canvas, int width, int heigth,
int ix, iy, xt;
for (ix = 0; ix != w; ix++) {
if (x+ix >= width)
if (x+ix < 0 || x+ix >= width)
continue;
for (iy = 0; iy != h; iy++) {
if (y+iy >= heigth)
if (y+iy < 0 || y+iy >= heigth)
continue;
xt = ox+ix;
if (img->data[(oy+iy)*img->span+(xt >> 3)] &