1 //
2 // "$Id$"
3 //
4 // Bitmap header file for the Fast Light Tool Kit (FLTK).
5 //
6 // Copyright 1998-2010 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_Bitmap widget . */
21 
22 #ifndef Fl_Bitmap_H
23 #define Fl_Bitmap_H
24 #  include "Fl_Image.H"
25 
26 class Fl_Widget;
27 struct Fl_Menu_Item;
28 
29 /**
30   The Fl_Bitmap class supports caching and drawing of mono-color
31   (bitmap) images. Images are drawn using the current color.
32 */
33 class FL_EXPORT Fl_Bitmap : public Fl_Image {
34   friend class Fl_Quartz_Graphics_Driver;
35   friend class Fl_GDI_Graphics_Driver;
36   friend class Fl_GDI_Printer_Graphics_Driver;
37   friend class Fl_Xlib_Graphics_Driver;
38 public:
39 
40   /** pointer to raw bitmap data */
41   const uchar *array;
42   /** Non-zero if array points to bitmap data allocated internally */
43   int alloc_array;
44 
45   private:
46   int start(int XP, int YP, int WP, int HP, int &cx, int &cy,
47 	    int &X, int &Y, int &W, int &H);
48 #if defined(__APPLE__) || defined(WIN32)
49   /** for internal use */
50   void *id_;
51 #else
52   /** for internal use */
53   unsigned id_;
54 #endif // __APPLE__ || WIN32
55 
56   public:
57 
58   /** The constructors create a new bitmap from the specified bitmap data */
Fl_Bitmap(const uchar * bits,int W,int H)59   Fl_Bitmap(const uchar *bits, int W, int H) :
60     Fl_Image(W,H,0), array(bits), alloc_array(0), id_(0) {data((const char **)&array, 1);}
61   /** The constructors create a new bitmap from the specified bitmap data */
Fl_Bitmap(const char * bits,int W,int H)62   Fl_Bitmap(const char *bits, int W, int H) :
63     Fl_Image(W,H,0), array((const uchar *)bits), alloc_array(0), id_(0) {data((const char **)&array, 1);}
64   virtual ~Fl_Bitmap();
65   virtual Fl_Image *copy(int W, int H);
copy()66   Fl_Image *copy() { return copy(w(), h()); }
67   virtual void draw(int X, int Y, int W, int H, int cx=0, int cy=0);
draw(int X,int Y)68   void draw(int X, int Y) {draw(X, Y, w(), h(), 0, 0);}
69   virtual void label(Fl_Widget*w);
70   virtual void label(Fl_Menu_Item*m);
71   virtual void uncache();
72 };
73 
74 #endif
75 
76 //
77 // End of "$Id$".
78 //
79