FLTK 1.3.2
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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 #include <stdlib.h> 00027 00028 class Fl_Widget; 00029 struct Fl_Menu_Item; 00030 struct Fl_Label; 00031 00043 class FL_EXPORT Fl_Image { 00044 int w_, h_, d_, ld_, count_; 00045 const char * const *data_; 00046 00047 // Forbid use of copy contructor and assign operator 00048 Fl_Image & operator=(const Fl_Image &); 00049 Fl_Image(const Fl_Image &); 00050 00051 protected: 00052 00056 void w(int W) {w_ = W;} 00060 void h(int H) {h_ = H;} 00064 void d(int D) {d_ = D;} 00068 void ld(int LD) {ld_ = LD;} 00072 void data(const char * const *p, int c) {data_ = p; count_ = c;} 00073 void draw_empty(int X, int Y); 00074 00075 static void labeltype(const Fl_Label *lo, int lx, int ly, int lw, int lh, Fl_Align la); 00076 static void measure(const Fl_Label *lo, int &lw, int &lh); 00077 00078 public: 00079 00083 int w() const {return w_;} 00086 int h() const {return h_;} 00092 int d() const {return d_;} 00098 int ld() const {return ld_;} 00105 int count() const {return count_;} 00110 const char * const *data() const {return data_;} 00111 00118 Fl_Image(int W, int H, int D) {w_ = W; h_ = H; d_ = D; ld_ = 0; count_ = 0; data_ = 0;} 00119 virtual ~Fl_Image(); 00120 virtual Fl_Image *copy(int W, int H); 00128 Fl_Image *copy() { return copy(w(), h()); } 00129 virtual void color_average(Fl_Color c, float i); 00136 void inactive() { color_average(FL_GRAY, .33f); } 00137 virtual void desaturate(); 00138 virtual void label(Fl_Widget*w); 00139 virtual void label(Fl_Menu_Item*m); 00147 virtual void draw(int X, int Y, int W, int H, int cx=0, int cy=0); // platform dependent 00152 void draw(int X, int Y) {draw(X, Y, w(), h(), 0, 0);} // platform dependent 00153 virtual void uncache(); 00154 }; 00155 00167 class FL_EXPORT Fl_RGB_Image : public Fl_Image { 00168 friend class Fl_Quartz_Graphics_Driver; 00169 friend class Fl_GDI_Graphics_Driver; 00170 friend class Fl_Xlib_Graphics_Driver; 00171 static size_t max_size_; 00172 public: 00173 00174 const uchar *array; 00175 int alloc_array; // Non-zero if array was allocated 00176 00177 private: 00178 00179 #if defined(__APPLE__) || defined(WIN32) 00180 void *id_; // for internal use 00181 void *mask_; // for internal use (mask bitmap) 00182 #else 00183 unsigned id_; // for internal use 00184 unsigned mask_; // for internal use (mask bitmap) 00185 #endif // __APPLE__ || WIN32 00186 00187 public: 00188 00204 Fl_RGB_Image(const uchar *bits, int W, int H, int D=3, int LD=0) : 00205 Fl_Image(W,H,D), array(bits), alloc_array(0), id_(0), mask_(0) {data((const char **)&array, 1); ld(LD);} 00206 virtual ~Fl_RGB_Image(); 00207 virtual Fl_Image *copy(int W, int H); 00208 Fl_Image *copy() { return copy(w(), h()); } 00209 virtual void color_average(Fl_Color c, float i); 00210 virtual void desaturate(); 00211 virtual void draw(int X, int Y, int W, int H, int cx=0, int cy=0); 00212 void draw(int X, int Y) {draw(X, Y, w(), h(), 0, 0);} 00213 virtual void label(Fl_Widget*w); 00214 virtual void label(Fl_Menu_Item*m); 00215 virtual void uncache(); 00225 static void max_size(size_t size) { max_size_ = size;} 00230 static size_t max_size() {return max_size_;} 00231 }; 00232 00233 #endif // !Fl_Image_H 00234 00235 // 00236 // End of "$Id$". 00237 //