mirror of https://github.com/fltk/fltk
73 lines
2.1 KiB
C++
73 lines
2.1 KiB
C++
//
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// "$Id$"
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//
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// Bitmap header file for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 1998-2017 by Bill Spitzak and others.
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//
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// This library is free software. Distribution and use rights are outlined in
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// the file "COPYING" which should have been included with this file. If this
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// file is missing or damaged, see the license at:
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//
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// http://www.fltk.org/COPYING.php
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//
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// Please report all bugs and problems on the following page:
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//
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// http://www.fltk.org/str.php
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//
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/* \file
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Fl_Bitmap widget . */
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#ifndef Fl_Bitmap_H
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#define Fl_Bitmap_H
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#include "Fl_Image.H"
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#include "Fl_Widget.H" // for fl_uintptr_t
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class Fl_Widget;
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struct Fl_Menu_Item;
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/**
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The Fl_Bitmap class supports caching and drawing of mono-color
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(bitmap) images. Images are drawn using the current color.
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*/
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class FL_EXPORT Fl_Bitmap : public Fl_Image {
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friend class Fl_Graphics_Driver;
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public:
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/** pointer to raw bitmap data */
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const uchar *array;
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/** Non-zero if array points to bitmap data allocated internally */
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int alloc_array;
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private:
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int prepare(int XP, int YP, int WP, int HP, int &cx, int &cy,
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int &X, int &Y, int &W, int &H);
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/** for internal use */
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fl_uintptr_t id_;
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float cache_scale_; // graphics scaling value when id_ was computed
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public:
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/** The constructors create a new bitmap from the specified bitmap data */
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Fl_Bitmap(const uchar *bits, int W, int H) :
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Fl_Image(W,H,0), array(bits), alloc_array(0), id_(0), cache_scale_(1) {data((const char **)&array, 1);}
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/** The constructors create a new bitmap from the specified bitmap data */
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Fl_Bitmap(const char *bits, int W, int H) :
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Fl_Image(W,H,0), array((const uchar *)bits), alloc_array(0), id_(0), cache_scale_(1) {data((const char **)&array, 1);}
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virtual ~Fl_Bitmap();
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virtual Fl_Image *copy(int W, int H);
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Fl_Image *copy() { return copy(w(), h()); }
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virtual void draw(int X, int Y, int W, int H, int cx=0, int cy=0);
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void draw(int X, int Y) {draw(X, Y, w(), h(), 0, 0);}
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virtual void label(Fl_Widget*w);
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virtual void label(Fl_Menu_Item*m);
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virtual void uncache();
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};
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#endif
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//
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// End of "$Id$".
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//
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