1aecada52c
Move BMP, GIF, and PNM image loaders to fltkimages project. git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@2583 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
97 lines
3.2 KiB
C++
97 lines
3.2 KiB
C++
//
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// "$Id: Fl_Shared_Image.H,v 1.22.2.7 2002/08/14 16:19:48 easysw Exp $"
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//
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// Shared image header file for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 1998-2002 by Bill Spitzak and others.
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Library General Public License for more details.
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//
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// You should have received a copy of the GNU Library General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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// USA.
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//
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// Please report all bugs and problems to "fltk-bugs@fltk.org".
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//
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#ifndef Fl_Shared_Image_H
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# define Fl_Shared_Image_H
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# include "Fl_Image.H"
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// Test function for adding new formats
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typedef Fl_Image *(*Fl_Shared_Handler)(const char *name, uchar *header,
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int headerlen);
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// Shared images class.
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class FL_EXPORT Fl_Shared_Image : public Fl_Image {
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protected:
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static Fl_Shared_Image **images_; // Shared images
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static int num_images_; // Number of shared images
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static int alloc_images_; // Allocated shared images
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static Fl_Shared_Handler *handlers_; // Additional format handlers
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static int num_handlers_; // Number of format handlers
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static int alloc_handlers_; // Allocated format handlers
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const char *name_; // Name of image file
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int original_; // Original image?
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int refcount_; // Number of times this image has been used
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Fl_Image *image_; // The image that is shared
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int alloc_image_; // Was the image allocated?
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static int compare(Fl_Shared_Image **i0, Fl_Shared_Image **i1);
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// Use get() and release() to load/delete images in memory...
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Fl_Shared_Image();
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Fl_Shared_Image(const char *n, Fl_Image *img = 0);
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virtual ~Fl_Shared_Image();
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void add();
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void update();
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public:
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const char *name() { return name_; }
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int refcount() { return refcount_; }
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void release();
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void reload();
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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 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, int cy);
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void draw(int X, int Y) { draw(X, Y, w(), h(), 0, 0); }
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static Fl_Shared_Image *find(const char *n, int W = 0, int H = 0);
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static Fl_Shared_Image *get(const char *n, int W = 0, int H = 0);
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static Fl_Shared_Image **images();
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static int num_images();
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static void add_handler(Fl_Shared_Handler f);
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static void remove_handler(Fl_Shared_Handler f);
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};
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//
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// The following function is provided in the fltk_images library and
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// registers all of the "extra" image file formats that are not part
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// of the core FLTK library...
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//
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FL_EXPORT extern void fl_register_images();
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#endif // !Fl_Shared_Image_H
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//
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// End of "$Id: Fl_Shared_Image.H,v 1.22.2.7 2002/08/14 16:19:48 easysw Exp $"
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//
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