FLTK 1.3.0
Fl_Bitmap.H
1 //
2 // "$Id: Fl_Bitmap.H 7903 2010-11-28 21:06:39Z matt $"
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; you can redistribute it and/or
9 // modify it under the terms of the GNU Library General Public
10 // License as published by the Free Software Foundation; either
11 // version 2 of the License, or (at your option) any later version.
12 //
13 // This library is distributed in the hope that it will be useful,
14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 // Library General Public License for more details.
17 //
18 // You should have received a copy of the GNU Library General Public
19 // License along with this library; if not, write to the Free Software
20 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
21 // USA.
22 //
23 // Please report all bugs and problems on the following page:
24 //
25 // http://www.fltk.org/str.php
26 //
27 
28 /* \file
29  Fl_Bitmap widget . */
30 
31 #ifndef Fl_Bitmap_H
32 #define Fl_Bitmap_H
33 # include "Fl_Image.H"
34 
35 class Fl_Widget;
36 struct Fl_Menu_Item;
37 
42 class FL_EXPORT Fl_Bitmap : public Fl_Image {
43  friend class Fl_Quartz_Graphics_Driver;
44  friend class Fl_GDI_Graphics_Driver;
45  friend class Fl_Xlib_Graphics_Driver;
46 public:
47 
49  const uchar *array;
52 
53  private:
54 
55 #if defined(__APPLE__) || defined(WIN32)
56 
57  void *id_;
58 #else
59 
60  unsigned id_;
61 #endif // __APPLE__ || WIN32
62 
63  public:
64 
66  Fl_Bitmap(const uchar *bits, int W, int H) :
67  Fl_Image(W,H,0), array(bits), alloc_array(0), id_(0) {data((const char **)&array, 1);}
69  Fl_Bitmap(const char *bits, int W, int H) :
70  Fl_Image(W,H,0), array((const uchar *)bits), alloc_array(0), id_(0) {data((const char **)&array, 1);}
71  virtual ~Fl_Bitmap();
72  virtual Fl_Image *copy(int W, int H);
73  Fl_Image *copy() { return copy(w(), h()); }
74  virtual void draw(int X, int Y, int W, int H, int cx=0, int cy=0);
75  void draw(int X, int Y) {draw(X, Y, w(), h(), 0, 0);}
76  virtual void label(Fl_Widget*w);
77  virtual void label(Fl_Menu_Item*m);
78  virtual void uncache();
79 };
80 
81 #endif
82 
83 //
84 // End of "$Id: Fl_Bitmap.H 7903 2010-11-28 21:06:39Z matt $".
85 //
Fl_Widget is the base class for all widgets in FLTK.
Definition: Fl_Widget.H:109
virtual void label(Fl_Widget *w)
The label() methods are an obsolete way to set the image attribute of a widget or menu item...
Definition: Fl_Image.cxx:118
int alloc_array
Non-zero if array points to bitmap data allocated internally.
Definition: Fl_Bitmap.H:51
The Mac OS X-specific graphics class.
Definition: Fl_Device.H:406
Fl_Image is the base class used for caching and drawing all kinds of images in FLTK.
Definition: Fl_Image.H:51
virtual void draw(int X, int Y, int W, int H, int cx=0, int cy=0)
Draws the image with a bounding box.
Definition: Fl_Image.cxx:61
Fl_Image * copy()
The copy() method creates a copy of the specified image.
Definition: Fl_Image.H:136
The Xlib-specific graphics class.
Definition: Fl_Device.H:469
const char *const * data() const
Returns a pointer to the current image data array.
Definition: Fl_Image.H:118
The Fl_Menu_Item structure defines a single menu item that is used by the Fl_Menu_ class...
Definition: Fl_Menu_Item.H:118
Fl_Bitmap(const char *bits, int W, int H)
The constructors create a new bitmap from the specified bitmap data.
Definition: Fl_Bitmap.H:69
const uchar * array
pointer to raw bitmap data
Definition: Fl_Bitmap.H:49
int w() const
Returns the current image width in pixels.
Definition: Fl_Image.H:91
The Fl_Bitmap class supports caching and drawing of mono-color (bitmap) images.
Definition: Fl_Bitmap.H:42
virtual void uncache()
If the image has been cached for display, delete the cache data.
Definition: Fl_Image.cxx:58
int h() const
Returns the current image height in pixels.
Definition: Fl_Image.H:94
The MSWindows-specific graphics class.
Definition: Fl_Device.H:439
unsigned char uchar
unsigned char
Definition: fl_types.h:39
Fl_Bitmap(const uchar *bits, int W, int H)
The constructors create a new bitmap from the specified bitmap data.
Definition: Fl_Bitmap.H:66