MythTV: Histogram.h Source File

00001 #ifndef _HISTOGRAM_H_
00002 #define _HISTOGRAM_H_
00003 
00004 class Histogram
00005 {
00006 public:
00007     Histogram();
00008     ~Histogram();
00009 
00010     void generateFromImage(unsigned char* frame, unsigned int frameWidth,
00011              unsigned int frameHeight, unsigned int minScanX,
00012              unsigned int maxScanX, unsigned int minScanY,
00013              unsigned int maxScanY, unsigned int XSpacing,
00014              unsigned int YSpacing);
00015     float calculateSimilarityWith(const Histogram&) const;
00016     unsigned int getAverageIntensity() const;
00017     unsigned int getThresholdForPercentageOfPixels(float percentage) const;
00018 
00019     // do not override default copy constructor, as the default copy
00020     // constructor will do just fine.
00021 private:
00022     int data[256];
00023     unsigned int numberOfSamples;
00024 };
00025 
00026 #endif
00027 
00028 /* vim: set expandtab tabstop=4 shiftwidth=4: */
00029