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path: root/libopie2/opieui/oimageeffect.cpp
authorerik <erik>2007-01-24 19:46:19 (UTC)
committer erik <erik>2007-01-24 19:46:19 (UTC)
commita017bf21dd89159052f2f7a3fbc043a24956c08c (patch) (unidiff)
tree008be2b62ee5487dc55b8a7c7f043c94268f8362 /libopie2/opieui/oimageeffect.cpp
parenta4a7bd22feb060a80e20c81cded43cc24f5cd423 (diff)
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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.
Diffstat (limited to 'libopie2/opieui/oimageeffect.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r--libopie2/opieui/oimageeffect.cpp5
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
@@ -2030,50 +2030,53 @@ void OImageEffect::normalize(QImage &img)
2030 } 2030 }
2031 intense=0; 2031 intense=0;
2032 for(high=MaxRGB; high != 0; --high){ 2032 for(high=MaxRGB; high != 0; --high){
2033 intense+=histogram[high]; 2033 intense+=histogram[high];
2034 if(intense > threshold_intensity) 2034 if(intense > threshold_intensity)
2035 break; 2035 break;
2036 } 2036 }
2037 2037
2038 if (low == high){ 2038 if (low == high){
2039 // Unreasonable contrast; use zero threshold to determine boundaries. 2039 // Unreasonable contrast; use zero threshold to determine boundaries.
2040 threshold_intensity=0; 2040 threshold_intensity=0;
2041 intense=0; 2041 intense=0;
2042 for(low=0; low < MaxRGB; ++low){ 2042 for(low=0; low < MaxRGB; ++low){
2043 intense+=histogram[low]; 2043 intense+=histogram[low];
2044 if(intense > threshold_intensity) 2044 if(intense > threshold_intensity)
2045 break; 2045 break;
2046 } 2046 }
2047 intense=0; 2047 intense=0;
2048 for(high=MaxRGB; high != 0; --high) 2048 for(high=MaxRGB; high != 0; --high)
2049 { 2049 {
2050 intense+=histogram[high]; 2050 intense+=histogram[high];
2051 if(intense > threshold_intensity) 2051 if(intense > threshold_intensity)
2052 break; 2052 break;
2053 } 2053 }
2054 if(low == high) 2054 if(low == high) {
2055 free(histogram);
2056 free(normalize_map);
2055 return; // zero span bound 2057 return; // zero span bound
2058 }
2056 } 2059 }
2057 2060
2058 // Stretch the histogram to create the normalized image mapping. 2061 // Stretch the histogram to create the normalized image mapping.
2059 for(i=0; i <= MaxRGB; i++){ 2062 for(i=0; i <= MaxRGB; i++){
2060 if (i < (int) low) 2063 if (i < (int) low)
2061 normalize_map[i]=0; 2064 normalize_map[i]=0;
2062 else{ 2065 else{
2063 if(i > (int) high) 2066 if(i > (int) high)
2064 normalize_map[i]=MaxRGB; 2067 normalize_map[i]=MaxRGB;
2065 else 2068 else
2066 normalize_map[i]=(MaxRGB-1)*(i-low)/(high-low); 2069 normalize_map[i]=(MaxRGB-1)*(i-low)/(high-low);
2067 } 2070 }
2068 } 2071 }
2069 // Normalize 2072 // Normalize
2070 if(img.depth() > 8){ // DirectClass 2073 if(img.depth() > 8){ // DirectClass
2071 unsigned int *data; 2074 unsigned int *data;
2072 for(y=0; y < img.height(); ++y){ 2075 for(y=0; y < img.height(); ++y){
2073 data = (unsigned int *)img.scanLine(y); 2076 data = (unsigned int *)img.scanLine(y);
2074 for(x=0; x < img.width(); ++x){ 2077 for(x=0; x < img.width(); ++x){
2075 data[x] = qRgba(normalize_map[qRed(data[x])], 2078 data[x] = qRgba(normalize_map[qRed(data[x])],
2076 normalize_map[qGreen(data[x])], 2079 normalize_map[qGreen(data[x])],
2077 normalize_map[qBlue(data[x])], 2080 normalize_map[qBlue(data[x])],
2078 qAlpha(data[x])); 2081 qAlpha(data[x]));
2079 } 2082 }