FLTK 1.3.0
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00001 // 00002 // "$Id$" 00003 // 00004 // Image header file for the Fast Light Tool Kit (FLTK). 00005 // 00006 // Copyright 1998-2011 by Bill Spitzak and others. 00007 // 00008 // This library is free software. Distribution and use rights are outlined in 00009 // the file "COPYING" which should have been included with this file. If this 00010 // file is missing or damaged, see the license at: 00011 // 00012 // http://www.fltk.org/COPYING.php 00013 // 00014 // Please report all bugs and problems on the following page: 00015 // 00016 // http://www.fltk.org/str.php 00017 // 00018 00019 /* \file 00020 Fl_Image, Fl_RGB_Image classes . */ 00021 00022 #ifndef Fl_Image_H 00023 # define Fl_Image_H 00024 00025 # include "Enumerations.H" 00026 00027 class Fl_Widget; 00028 struct Fl_Menu_Item; 00029 struct Fl_Label; 00030 00042 class FL_EXPORT Fl_Image { 00043 int w_, h_, d_, ld_, count_; 00044 const char * const *data_; 00045 00046 // Forbid use of copy contructor and assign operator 00047 Fl_Image & operator=(const Fl_Image &); 00048 Fl_Image(const Fl_Image &); 00049 00050 protected: 00051 00055 void w(int W) {w_ = W;} 00059 void h(int H) {h_ = H;} 00063 void d(int D) {d_ = D;} 00067 void ld(int LD) {ld_ = LD;} 00071 void data(const char * const *p, int c) {data_ = p; count_ = c;} 00072 void draw_empty(int X, int Y); 00073 00074 static void labeltype(const Fl_Label *lo, int lx, int ly, int lw, int lh, Fl_Align la); 00075 static void measure(const Fl_Label *lo, int &lw, int &lh); 00076 00077 public: 00078 00082 int w() const {return w_;} 00085 int h() const {return h_;} 00091 int d() const {return d_;} 00097 int ld() const {return ld_;} 00104 int count() const {return count_;} 00109 const char * const *data() const {return data_;} 00110 00117 Fl_Image(int W, int H, int D) {w_ = W; h_ = H; d_ = D; ld_ = 0; count_ = 0; data_ = 0;} 00118 virtual ~Fl_Image(); 00119 virtual Fl_Image *copy(int W, int H); 00127 Fl_Image *copy() { return copy(w(), h()); } 00128 virtual void color_average(Fl_Color c, float i); 00135 void inactive() { color_average(FL_GRAY, .33f); } 00136 virtual void desaturate(); 00137 virtual void label(Fl_Widget*w); 00138 virtual void label(Fl_Menu_Item*m); 00146 virtual void draw(int X, int Y, int W, int H, int cx=0, int cy=0); // platform dependent 00151 void draw(int X, int Y) {draw(X, Y, w(), h(), 0, 0);} // platform dependent 00152 virtual void uncache(); 00153 }; 00154 00166 class FL_EXPORT Fl_RGB_Image : public Fl_Image { 00167 friend class Fl_Quartz_Graphics_Driver; 00168 friend class Fl_GDI_Graphics_Driver; 00169 friend class Fl_Xlib_Graphics_Driver; 00170 public: 00171 00172 const uchar *array; 00173 int alloc_array; // Non-zero if array was allocated 00174 00175 private: 00176 00177 #if defined(__APPLE__) || defined(WIN32) 00178 void *id_; // for internal use 00179 void *mask_; // for internal use (mask bitmap) 00180 #else 00181 unsigned id_; // for internal use 00182 unsigned mask_; // for internal use (mask bitmap) 00183 #endif // __APPLE__ || WIN32 00184 00185 public: 00186 00202 Fl_RGB_Image(const uchar *bits, int W, int H, int D=3, int LD=0) : 00203 Fl_Image(W,H,D), array(bits), alloc_array(0), id_(0), mask_(0) {data((const char **)&array, 1); ld(LD);} 00204 virtual ~Fl_RGB_Image(); 00205 virtual Fl_Image *copy(int W, int H); 00206 Fl_Image *copy() { return copy(w(), h()); } 00207 virtual void color_average(Fl_Color c, float i); 00208 virtual void desaturate(); 00209 virtual void draw(int X, int Y, int W, int H, int cx=0, int cy=0); 00210 void draw(int X, int Y) {draw(X, Y, w(), h(), 0, 0);} 00211 virtual void label(Fl_Widget*w); 00212 virtual void label(Fl_Menu_Item*m); 00213 virtual void uncache(); 00214 }; 00215 00216 #endif // !Fl_Image_H 00217 00218 // 00219 // End of "$Id$". 00220 //