request explicitly as many elements for the gradient tables as we need

the next step is to not use 'unsigned int' and then only store 'chars'
in it, maybe even using RGBA data instead of separated arrays for
r, g and b.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/FbTk/ImageControl.cc b/src/FbTk/ImageControl.cc
index 13d6ec3..00f566d 100644
--- a/src/FbTk/ImageControl.cc
+++ b/src/FbTk/ImageControl.cc
@@ -381,10 +381,10 @@ void ImageControl::getGradientBuffers(unsigned int w,
                                       unsigned int **ybuf) {
 
     if (w > grad_xbuffer.size())
-        grad_xbuffer.resize(w * 3);
+        grad_xbuffer.resize(w);
 
     if (h > grad_ybuffer.size())
-        grad_ybuffer.resize(h * 3);
+        grad_ybuffer.resize(h);
 
     *xbuf = &grad_xbuffer[0];
     *ybuf = &grad_ybuffer[0];