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

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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
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4
tools/libtxt/font.c
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@ -256,10 +256,10 @@ static void do_draw(uint8_t *canvas, int width, int heigth,
int ix, iy, xt; int ix, iy, xt;
for (ix = 0; ix != w; ix++) { for (ix = 0; ix != w; ix++) {
if (x+ix >= width) if (x+ix < 0 || x+ix >= width)
continue; continue;
for (iy = 0; iy != h; iy++) { for (iy = 0; iy != h; iy++) {
if (y+iy >= heigth) if (y+iy < 0 || y+iy >= heigth)
continue; continue;
xt = ox+ix; xt = ox+ix;
if (img->data[(oy+iy)*img->span+(xt >> 3)] & if (img->data[(oy+iy)*img->span+(xt >> 3)] &