author | erik <erik> | 2007-01-24 19:46:19 (UTC) |
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committer | erik <erik> | 2007-01-24 19:46:19 (UTC) |
commit | a017bf21dd89159052f2f7a3fbc043a24956c08c (patch) (side-by-side diff) | |
tree | 008be2b62ee5487dc55b8a7c7f043c94268f8362 /libopie2 | |
parent | a4a7bd22feb060a80e20c81cded43cc24f5cd423 (diff) | |
download | opie-a017bf21dd89159052f2f7a3fbc043a24956c08c.zip opie-a017bf21dd89159052f2f7a3fbc043a24956c08c.tar.gz opie-a017bf21dd89159052f2f7a3fbc043a24956c08c.tar.bz2 |
Every file in this commit has a memory leak of some kind or another. I think
all of them are minor and should not effect properly running code. But if I
were you I would give libstocks and the stockticker plugin in Today a wide
berth. That library is atrocious.
-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 @@ -2006,98 +2006,101 @@ void OImageEffect::normalize(QImage &img) gray_value = intensityValue(data[x]); histogram[gray_value]++; } } } else{ // PsudeoClass unsigned char *data; unsigned int *cTable = img.colorTable(); for(y=0; y < img.height(); ++y){ data = (unsigned char *)img.scanLine(y); for(x=0; x < img.width(); ++x){ gray_value = intensityValue(*(cTable+data[x])); histogram[gray_value]++; } } } // find histogram boundaries by locating the 1 percent levels threshold_intensity = (img.width()*img.height())/100; intense = 0; 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){ // Unreasonable contrast; use zero threshold to determine boundaries. threshold_intensity=0; intense=0; 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); } } // Normalize if(img.depth() > 8){ // DirectClass unsigned int *data; for(y=0; y < img.height(); ++y){ data = (unsigned int *)img.scanLine(y); for(x=0; x < img.width(); ++x){ data[x] = qRgba(normalize_map[qRed(data[x])], normalize_map[qGreen(data[x])], normalize_map[qBlue(data[x])], qAlpha(data[x])); } } } else{ // PsudeoClass int colors = img.numColors(); unsigned int *cTable = img.colorTable(); for(i=0; i < colors; ++i){ cTable[i] = qRgba(normalize_map[qRed(cTable[i])], normalize_map[qGreen(cTable[i])], normalize_map[qBlue(cTable[i])], qAlpha(cTable[i])); } } free(histogram); free(normalize_map); } void OImageEffect::equalize(QImage &img) { int *histogram, *map, *equalize_map; int x, y, i, j; unsigned int high, low; |