added negative bounds checks so drawing text into a buffer wont crash.

2010-04-04 15:03:45 +00:00
parent bc149e0fbe
commit 670d499c8b
1 changed files with 2 additions and 2 deletions
--- a/source/blender/blenfont/intern/blf_font.c
+++ b/source/blender/blenfont/intern/blf_font.c
@@ -232,8 +232,8 @@ void blf_font_buffer(FontBLF *font, char *str)
 			yb= g->pitch < 0 ? 0 : g->height-1;
 			
 			if (font->b_fbuf) {
-				for (y= 0; y < height_clip; y++) {
-					for (x= 0; x < width_clip; x++) {
+				for (y=(chy >= 0 ? 0:-chy); y < height_clip; y++) {
+					for (x=(chx >= 0 ? 0:-chx); x < width_clip; x++) {
 						
 						a= *(g->bitmap + x + (yb * g->pitch)) / 255.0f;