1 //
2 // "$Id$"
3 //
4 // Pixmap header file for the Fast Light Tool Kit (FLTK).
5 //
6 // Copyright 1998-2012 by Bill Spitzak and others.
7 //
8 // This library is free software. Distribution and use rights are outlined in
9 // the file "COPYING" which should have been included with this file.  If this
10 // file is missing or damaged, see the license at:
11 //
12 //     http://www.fltk.org/COPYING.php
13 //
14 // Please report all bugs and problems on the following page:
15 //
16 //     http://www.fltk.org/str.php
17 //
18 
19 /* \file
20    Fl_Pixmap widget . */
21 
22 #ifndef Fl_Pixmap_H
23 #define Fl_Pixmap_H
24 #  include "Fl_Image.H"
25 #if defined(WIN32)
26 #  include "x.H"
27 #endif
28 
29 class Fl_Widget;
30 struct Fl_Menu_Item;
31 
32 // Older C++ compilers don't support the explicit keyword... :(
33 #  if defined(__sgi) && !defined(_COMPILER_VERSION)
34 #    define explicit
35 #  endif // __sgi && !_COMPILER_VERSION
36 
37 /**
38   The Fl_Pixmap class supports caching and drawing of colormap
39   (pixmap) images, including transparency.
40 */
41 class FL_EXPORT Fl_Pixmap : public Fl_Image {
42   friend class Fl_Quartz_Graphics_Driver;
43   friend class Fl_GDI_Graphics_Driver;
44   friend class Fl_GDI_Printer_Graphics_Driver;
45   friend class Fl_Xlib_Graphics_Driver;
46   void copy_data();
47   void delete_data();
48   void set_data(const char * const *p);
49   int prepare(int XP, int YP, int WP, int HP, int &cx, int &cy,
50 			 int &X, int &Y, int &W, int &H);
51 
52   protected:
53 
54   void measure();
55 
56   public:
57 
58   int alloc_data; // Non-zero if data was allocated
59 
60   private:
61 
62 #if defined(WIN32)
63 #if FLTK_ABI_VERSION < 10301
64   static // a static member is needed for ABI compatibility
65 #endif
66   UINT pixmap_bg_color; // RGB color used for pixmap background
67 #endif // WIN32
68 #if defined(__APPLE__) || defined(WIN32)
69   void *id_; // for internal use
70   void *mask_; // for internal use (mask bitmap)
71 #else
72   unsigned id_; // for internal use
73   unsigned mask_; // for internal use (mask bitmap)
74 #endif // __APPLE__ || WIN32
75 
76   public:
77 
78   /**    The constructors create a new pixmap from the specified XPM data.  */
Fl_Pixmap(char * const * D)79   explicit Fl_Pixmap(char * const * D) : Fl_Image(-1,0,1), alloc_data(0), id_(0), mask_(0) {set_data((const char*const*)D); measure();}
80   /**    The constructors create a new pixmap from the specified XPM data.  */
Fl_Pixmap(uchar * const * D)81   explicit Fl_Pixmap(uchar* const * D) : Fl_Image(-1,0,1), alloc_data(0), id_(0), mask_(0) {set_data((const char*const*)D); measure();}
82   /**    The constructors create a new pixmap from the specified XPM data.  */
Fl_Pixmap(const char * const * D)83   explicit Fl_Pixmap(const char * const * D) : Fl_Image(-1,0,1), alloc_data(0), id_(0), mask_(0) {set_data((const char*const*)D); measure();}
84   /**    The constructors create a new pixmap from the specified XPM data.  */
Fl_Pixmap(const uchar * const * D)85   explicit Fl_Pixmap(const uchar* const * D) : Fl_Image(-1,0,1), alloc_data(0), id_(0), mask_(0) {set_data((const char*const*)D); measure();}
86   virtual ~Fl_Pixmap();
87   virtual Fl_Image *copy(int W, int H);
copy()88   Fl_Image *copy() { return copy(w(), h()); }
89   virtual void color_average(Fl_Color c, float i);
90   virtual void desaturate();
91   virtual void draw(int X, int Y, int W, int H, int cx=0, int cy=0);
draw(int X,int Y)92   void draw(int X, int Y) {draw(X, Y, w(), h(), 0, 0);}
93   virtual void label(Fl_Widget*w);
94   virtual void label(Fl_Menu_Item*m);
95   virtual void uncache();
96 };
97 
98 #endif
99 
100 //
101 // End of "$Id$".
102 //
103