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// "$Id: Image.h 5768 2007-04-08 19:58:56Z spitzak $"
//
// Copyright 1998-2005 by Bill Spitzak and others.
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA.
//
// Please report all bugs and problems to "fltk-bugs@fltk.org".
#ifndef fltk_Image_h
#define fltk_Image_h
#include "Symbol.h"
# undef OPAQUE // fix for windows.h
namespace fltk {
class FL_API Widget;
struct Picture; // secret internal system-specific data
class FL_API Image : public Symbol {
PixelType pixeltype_; int w_, h_;
Picture* picture;
int flags; enum {COPIED=1, FETCHED=2, FORCEARGB32=4, MEASUREFETCH=8};
static unsigned long memused_;
public:
Image(const char* name=0) :
Symbol(name), pixeltype_(fltk::RGB32), w_(12), h_(12),
picture(0), flags(MEASUREFETCH) {}
Image(int w, int h, const char* name=0) :
Symbol(name), pixeltype_(fltk::RGB32), w_(w), h_(h),
picture(0), flags(0) {}
Image(PixelType p, int w, int h, const char* name=0) :
Symbol(name), pixeltype_(p), w_(w), h_(h),
picture(0), flags(0) {}
Image(const uchar* d, PixelType p, int w, int h) :
Symbol(), picture(0) {setimage(d,p,w,h);}
Image(const uchar* d, PixelType p, int w, int h, int linedelta) :
Symbol(), picture(0) {setimage(d,p,w,h,linedelta);}
~Image();
PixelType pixeltype() const {return pixeltype_;}
int depth() const {return fltk::depth(pixeltype_);}
int w() const {return w_;}
int width() const {return w_;}
int h() const {return h_;}
int height() const {return h_;}
void setpixeltype(PixelType);
void setsize(int w, int h);
void setpixels(const uchar* d, const Rectangle&, int linedelta);
void setpixels(const uchar* d, const Rectangle& r) {setpixels(d,r,depth()*r.w());}
void setpixels(const uchar* d, int y);
uchar* linebuffer(int y);
void setimage(const uchar* d, PixelType p, int w, int h, int linedelta);
void setimage(const uchar* d, PixelType p, int w, int h) {setimage(d,p,w,h,fltk::depth(p)*w);}
uchar* buffer();
const uchar* buffer() const;
void set_forceARGB32();
void clear_forceARGB32();
bool forceARGB32() const {return (flags&FORCEARGB32) != 0;}
PixelType buffer_pixeltype() const;
int buffer_depth() const;
int buffer_width() const;
int buffer_height() const;
int buffer_linedelta() const;
void buffer_changed() {flags &= ~COPIED;}
void destroy();
void draw(int x, int y) const;
void draw(const Rectangle& r) const {_draw(r);}
void draw(const Rectangle& from, const Rectangle& to) const;
void _draw(const Rectangle&) const; // Symbol virtual method
void _measure(int& W, int& H) const; // Symbol virtual method
bool fills_rectangle() const; // Symbol virtual method
virtual bool fetch(); // for image file reading subclasses
void fetch_if_needed() const;
void refetch() {flags &= ~FETCHED;}
unsigned long mem_used() const;
static unsigned long total_mem_used() {return memused_;}
// for back compatability with fltk1 only:
void label(Widget* o);
// see also: GSave
void make_current();
};
}
#endif
//
// End of "$Id: Image.h 5768 2007-04-08 19:58:56Z spitzak $".
//
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