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ditherer.hh
资源名称：dvd-munitions.tar.gz　[点击查看]
上传用户：aoeyumen
上传日期：2007-01-06
资源大小：3329k
文件大小：2k
源码类别：

DVD

开发平台：

Unix_Linux

ditherer.hh：源码内容
  1. #ifndef _ditherer_hh_
  2. #define _ditherer_hh_
  3. #include <map>
  4. #include <string>
  6. class Ditherer {
  7. public:
  8.    Ditherer() {_bpp=0;_pixelSize=0;}
  9.    virtual ~Ditherer() {};
  10.    
  11.    virtual void dither(unsigned char * tY,
  12.                        unsigned char * tCr,
  13.                        unsigned char * tCb,
  14.                        unsigned char * dithered_img,
  15.                        int imgWidth,
  16.                        int imgHeight,
  17.                        int viewWidth,
  18.                        int viewHeight,
  19.                        int screenWidth)=0;
  20.    virtual void setBpp(int bpp);
  21.    virtual void setPixelSize(int pixelSize);
  22.    // ditherer modules admin
  23.    static int addModule(class Ditherer * (*alloc)(),string name);
  24.    static Ditherer * allocModule(string name);
  25.    static string getRegisteredModules();
  26.    static void loadDefaultModules();
  27. protected:
  28.    int _bpp;
  29.    int _pixelSize;
  30. private:
  31.    static map<string,Ditherer * (*)()> ditherStore;
  32. };
  34. class GenericDitherer: public Ditherer {
  35. public:
  36.    GenericDitherer();
  37.    virtual ~GenericDitherer();
  39.    virtual void dither(unsigned char * tY,
  40.                        unsigned char * tCr,
  41.                        unsigned char * tCb,
  42.                        unsigned char * dithered_img,
  43.                        int imgWidth,
  44.                        int imgHeight,
  45.                        int viewWidth,
  46.                        int viewHeight,
  47.                        int screenWidth);
  48. protected:
  49.    virtual void  ditherBlock(unsigned char * tY,
  50.                              unsigned char * tCr,
  51.                              unsigned char * tCb,
  52.                              unsigned char * dithered_img,
  53.                              int height,
  54.                              int width,
  55.                              int display_width)=0;
  56. private:
  57.    unsigned char * tempory_Y;
  58.    unsigned char * tempory_Cr;
  59.    unsigned char * tempory_Cb;
  61.    void checking();
  62.    void changeSize(unsigned char * orig,unsigned char * dst,
  63.                    int origXsize,int origYsize,
  64.                    int newXsize, int newYsize);
  65.    void resizeYandDither(unsigned char * tY,
  66.                          unsigned char * tCr,
  67.                          unsigned char * tCb,
  68.                          unsigned char * dithered_img,
  69.                          int origXsize,int origYsize,
  70.                          int newYsize,int screenWidth);
  71. };
  72. #endif