| -rw-r--r-- | libopie2/opieui/oimageeffect.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libopie2/opieui/oimageeffect.cpp b/libopie2/opieui/oimageeffect.cpp index be47eb2..93719bc 100644 --- a/libopie2/opieui/oimageeffect.cpp +++ b/libopie2/opieui/oimageeffect.cpp @@ -2042,26 +2042,29 @@ void OImageEffect::normalize(QImage &img) for(low=0; low < MaxRGB; ++low){ intense+=histogram[low]; if(intense > threshold_intensity) break; } intense=0; for(high=MaxRGB; high != 0; --high) { intense+=histogram[high]; if(intense > threshold_intensity) break; } - if(low == high) + if(low == high) { + free(histogram); + free(normalize_map); return; // zero span bound + } } // Stretch the histogram to create the normalized image mapping. for(i=0; i <= MaxRGB; i++){ if (i < (int) low) normalize_map[i]=0; else{ if(i > (int) high) normalize_map[i]=MaxRGB; else normalize_map[i]=(MaxRGB-1)*(i-low)/(high-low); } |