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00022 #ifndef _FL_IMAGEFILTER_H_
00023 #define _FL_IMAGEFILTER_H_
00024
00025 #include "Enumerations.h"
00026 #include "Fl_Renderer.h"
00027 #include "Fl_Util.h"
00028
00029 class Fl_Image;
00030
00039
00040
00041
00042
00043
00044
00048 class Fl_Image_Filter
00049 {
00050 public:
00051 static bool apply_to_this(Fl_Image *image, Fl_Rect *rect, Fl_Image_Filter *filter);
00052 static bool apply_to_this(Fl_Image *image, Fl_Rect *rect, Fl_Image_Filter *filter, float val1);
00053 static bool apply_to_this(Fl_Image *image, Fl_Rect *rect, Fl_Image_Filter *filter, float val1, float val2);
00054 static bool apply_to_this(Fl_Image *image, Fl_Rect *rect, Fl_Image_Filter *filter, float val1, float val2, float val3);
00055
00056 static Fl_Image *apply_to_new(Fl_Image *image, Fl_Rect *rect, Fl_Image_Filter *filter);
00057 static Fl_Image *apply_to_new(Fl_Image *image, Fl_Rect *rect, Fl_Image_Filter *filter, float val1);
00058 static Fl_Image *apply_to_new(Fl_Image *image, Fl_Rect *rect, Fl_Image_Filter *filter, float val1, float val2);
00059 static Fl_Image *apply_to_new(Fl_Image *image, Fl_Rect *rect, Fl_Image_Filter *filter, float val1, float val2, float val3);
00060
00061 protected:
00062 virtual bool execute(uint8 **data, Fl_Rect &rect, int pitch, Fl_PixelFormat *fmt, float val1, float val2, float val3) { return false; }
00063 };
00064
00065 class FilterBrightness : public Fl_Image_Filter
00066 {
00067 public:
00068
00069 virtual bool execute(uint8 **data, Fl_Rect &rect, int pitch, Fl_PixelFormat *fmt, float val1, float val2, float val3);
00070 };
00071
00072 class FilterContrast : public Fl_Image_Filter
00073 {
00074 public:
00075
00076 virtual bool execute(uint8 **data, Fl_Rect &rect, int pitch, Fl_PixelFormat *fmt, float val1, float val2, float val3);
00077 };
00078
00079 class FilterGamma : public Fl_Image_Filter
00080 {
00081 public:
00082
00083 virtual bool execute(uint8 **data, Fl_Rect &rect, int pitch, Fl_PixelFormat *fmt, float val1, float val2, float val3);
00084 };
00085
00086 class FilterGrayscale : public Fl_Image_Filter
00087 {
00088 public:
00089
00090 virtual bool execute(uint8 **data, Fl_Rect &rect, int pitch, Fl_PixelFormat *fmt, float val1, float val2, float val3);
00091 };
00092
00093 class FilterForeBlend : public Fl_Image_Filter
00094 {
00095 public:
00096
00097 virtual bool execute(uint8 **data, Fl_Rect &rect, int pitch, Fl_PixelFormat *fmt, float val1, float val2, float val3);
00098 };
00099
00100 class FilterBackBlend : public Fl_Image_Filter
00101 {
00102 public:
00103
00104 virtual bool execute(uint8 **data, Fl_Rect &rect, int pitch, Fl_PixelFormat *fmt, float val1, float val2, float val3);
00105 };
00106
00107 extern FL_API FilterBrightness filter_brightness;
00108 #define FILTER_BRIGHTNESS (&filter_brightness)
00109
00110 extern FL_API FilterContrast filter_contrast;
00111 #define FILTER_CONTRAST (&filter_contrast)
00112
00113 extern FL_API FilterGamma filter_gamma;
00114 #define FILTER_GAMMA (&filter_gamma)
00115
00116 extern FL_API FilterGrayscale filter_grayscale;
00117 #define FILTER_GRAYSCALE (&filter_grayscale)
00118
00119 extern FL_API FilterForeBlend filter_foreblend;
00120 #define FILTER_FOREBLEND (&filter_foreblend)
00121
00122 extern FL_API FilterBackBlend filter_backblend;
00123 #define FILTER_BACKBLEND (&filter_backblend)
00124
00125 #endif