From: oetiker <oetiker@a5681a0c-68f1-0310-ab6d-d61299d08faa>
Date: Mon, 2 May 2005 19:47:05 +0000 (+0000)
Subject: when walking the bytes use the pitch not the width
X-Git-Url: https://git.octo.it/?a=commitdiff_plain;h=2c188938780b23a4abc14cb70268580ff5b6daca;p=rrdtool.git

when walking the bytes use the pitch not the width


git-svn-id: svn://svn.oetiker.ch/rrdtool/branches/1.2/program@477 a5681a0c-68f1-0310-ab6d-d61299d08faa
---

diff --git a/src/rrd_gfx.c b/src/rrd_gfx.c
index 0150706..cdb92e1 100644
--- a/src/rrd_gfx.c
+++ b/src/rrd_gfx.c
@@ -658,7 +658,7 @@ int           gfx_render_png (gfx_canvas_t *canvas,
                         
                         if (buf_x < 0 || buf_x >= (long)pys_width) continue;
                         buf_x *=  bytes_per_pixel ;
-                        font_alpha =  *(bit->bitmap.buffer + iy * bit->bitmap.width + ix);
+                        font_alpha =  *(bit->bitmap.buffer + iy * bit->bitmap.pitch + ix);
 			if (font_alpha > 0){
 	                        fcolor[3] =  (art_u8)((double)font_alpha / gr * falpha);
 				art_rgba_rgba_composite(buffer + buf_y + buf_x ,fcolor,1);