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00022 #ifndef Fl_Image_H
00023 # define Fl_Image_H
00024
00025 # include "Enumerations.H"
00026 #include <stdlib.h>
00027
00028 class Fl_Widget;
00029 class Fl_Pixmap;
00030 struct Fl_Menu_Item;
00031 struct Fl_Label;
00032
00033
00037 enum Fl_RGB_Scaling {
00038 FL_RGB_SCALING_NEAREST = 0,
00039 FL_RGB_SCALING_BILINEAR
00040 };
00041
00042
00055 class FL_EXPORT Fl_Image {
00056
00057 public:
00058 static const int ERR_NO_IMAGE = -1;
00059 static const int ERR_FILE_ACCESS = -2;
00060 static const int ERR_FORMAT = -3;
00061
00062 private:
00063 int w_, h_, d_, ld_, count_;
00064 const char * const *data_;
00065 static Fl_RGB_Scaling RGB_scaling_;
00066
00067
00068 Fl_Image & operator=(const Fl_Image &);
00069 Fl_Image(const Fl_Image &);
00070
00071 protected:
00072
00076 void w(int W) {w_ = W;}
00080 void h(int H) {h_ = H;}
00084 void d(int D) {d_ = D;}
00096 void ld(int LD) {ld_ = LD;}
00100 void data(const char * const *p, int c) {data_ = p; count_ = c;}
00101 void draw_empty(int X, int Y);
00102
00103 static void labeltype(const Fl_Label *lo, int lx, int ly, int lw, int lh, Fl_Align la);
00104 static void measure(const Fl_Label *lo, int &lw, int &lh);
00105
00106 public:
00107
00111 int w() const {return w_;}
00115 int h() const {return h_;}
00121 int d() const {return d_;}
00126 int ld() const {return ld_;}
00133 int count() const {return count_;}
00138 const char * const *data() const {return data_;}
00139 int fail();
00140 Fl_Image(int W, int H, int D);
00141 virtual ~Fl_Image();
00142 virtual Fl_Image *copy(int W, int H);
00150 Fl_Image *copy() { return copy(w(), h()); }
00151 virtual void color_average(Fl_Color c, float i);
00160 void inactive() { color_average(FL_GRAY, .33f); }
00161 virtual void desaturate();
00162 virtual void label(Fl_Widget*w);
00163 virtual void label(Fl_Menu_Item*m);
00175 virtual void draw(int X, int Y, int W, int H, int cx=0, int cy=0);
00180 void draw(int X, int Y) {draw(X, Y, w(), h(), 0, 0);}
00181 virtual void uncache();
00182
00183
00184 static void RGB_scaling(Fl_RGB_Scaling);
00185
00186
00187 static Fl_RGB_Scaling RGB_scaling();
00188 };
00189
00190
00202 class FL_EXPORT Fl_RGB_Image : public Fl_Image {
00203 friend class Fl_Quartz_Graphics_Driver;
00204 friend class Fl_GDI_Graphics_Driver;
00205 friend class Fl_GDI_Printer_Graphics_Driver;
00206 friend class Fl_Xlib_Graphics_Driver;
00207 static size_t max_size_;
00208 public:
00209
00212 const uchar *array;
00215 int alloc_array;
00216
00217 private:
00218
00219 #if defined(__APPLE__) || defined(WIN32)
00220 void *id_;
00221 void *mask_;
00222 #else
00223 unsigned id_;
00224 unsigned mask_;
00225 #endif // __APPLE__ || WIN32
00226
00227 public:
00228
00229 Fl_RGB_Image(const uchar *bits, int W, int H, int D=3, int LD=0);
00230 Fl_RGB_Image(const Fl_Pixmap *pxm, Fl_Color bg=FL_GRAY);
00231 virtual ~Fl_RGB_Image();
00232 virtual Fl_Image *copy(int W, int H);
00233 Fl_Image *copy() { return copy(w(), h()); }
00234 virtual void color_average(Fl_Color c, float i);
00235 virtual void desaturate();
00236 virtual void draw(int X, int Y, int W, int H, int cx=0, int cy=0);
00237 void draw(int X, int Y) {draw(X, Y, w(), h(), 0, 0);}
00238 virtual void label(Fl_Widget*w);
00239 virtual void label(Fl_Menu_Item*m);
00240 virtual void uncache();
00250 static void max_size(size_t size) { max_size_ = size;}
00255 static size_t max_size() {return max_size_;}
00256 };
00257
00258 #endif // !Fl_Image_H
00259
00260
00261
00262