FLTK 1.3.7
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 //
19 /* \file
20  Fl_Bitmap widget . */
22 #ifndef Fl_Bitmap_H
23 #define Fl_Bitmap_H
24 # include "Fl_Image.H"
26 class Fl_Widget;
27 struct Fl_Menu_Item;
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:
41  const uchar *array;
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)
50  void *id_;
51 #else
53  unsigned id_;
54 #endif // __APPLE__ || WIN32
56  public:
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);}
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);
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);
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 };
74 #endif
76 //
77 // End of "$Id$".
78 //
Fl_Image, Fl_RGB_Image classes.
The Fl_Bitmap class supports caching and drawing of mono-color (bitmap) images.
Definition: Fl_Bitmap.H:33
const uchar * array
pointer to raw bitmap data
Definition: Fl_Bitmap.H:41
Fl_Bitmap(const char *bits, int W, int H)
The constructors create a new bitmap from the specified bitmap data.
Definition: Fl_Bitmap.H:62
int alloc_array
Non-zero if array points to bitmap data allocated internally.
Definition: Fl_Bitmap.H:43
Fl_Bitmap(const uchar *bits, int W, int H)
The constructors create a new bitmap from the specified bitmap data.
Definition: Fl_Bitmap.H:59
The MSWindows-specific graphics class.
Definition: Fl_Device.H:459
The graphics driver used when printing on MSWindows.
Definition: Fl_Device.H:492
Base class for image caching and drawing.
Definition: Fl_Image.H:55
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:66
const char *const * data() const
Returns a pointer to the current image data array.
Definition: Fl_Image.H:138
int w() const
Returns the current image width in pixels.
Definition: Fl_Image.H:111
Fl_Image * copy()
The copy() method creates a copy of the specified image.
Definition: Fl_Image.H:150
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:127
int h() const
Returns the current image height in pixels.
Definition: Fl_Image.H:115
virtual void uncache()
If the image has been cached for display, delete the cache data.
Definition: Fl_Image.cxx:63
The Mac OS X-specific graphics class.
Definition: Fl_Device.H:421
Fl_Widget is the base class for all widgets in FLTK.
Definition: Fl_Widget.H:101
The Xlib-specific graphics class.
Definition: Fl_Device.H:507
unsigned char uchar
unsigned char
Definition: fl_types.h:30
The Fl_Menu_Item structure defines a single menu item that is used by the Fl_Menu_ class.
Definition: Fl_Menu_Item.H:112