10537b7143
Copying an image does not (and must not) change the original object, hence copy() should always be 'const'. This is *necessary* if the given Fl_Image object is 'const'.
56 lines
1.5 KiB
C++
56 lines
1.5 KiB
C++
//
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// Tiled image header file for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 1998-2015 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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// https://www.fltk.org/COPYING.php
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//
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// Please see the following page on how to report bugs and issues:
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//
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// https://www.fltk.org/bugs.php
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//
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/* \file
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Fl_Tiled_Image widget . */
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#ifndef Fl_Tiled_Image_H
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# define Fl_Tiled_Image_H
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# include "Fl_Image.H"
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/**
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This class supports tiling of images over a specified area.
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The source (tile) image is \b not copied unless you call the
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color_average(), desaturate(), or inactive() methods.
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*/
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class FL_EXPORT Fl_Tiled_Image : public Fl_Image {
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protected:
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Fl_Image *image_; // The image that is tiled
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int alloc_image_; // Did we allocate this image?
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public:
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Fl_Tiled_Image(Fl_Image *i, int W = 0, int H = 0);
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virtual ~Fl_Tiled_Image();
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virtual Fl_Image *copy(int W, int H) const;
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Fl_Image *copy() const {
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return Fl_Image::copy();
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}
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virtual void color_average(Fl_Color c, float i);
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virtual void desaturate();
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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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/** Gets The image that is tiled */
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Fl_Image *image() { return image_; }
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};
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#endif // !Fl_Tiled_Image_H
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