laximages-imlib.h

//
//  
//    The Laxkit, a windowing toolkit
//    Please consult http://laxkit.sourceforge.net about where to send any
//    correspondence about this software.
//
//    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
//
//    Copyright (C) 2010 by Tom Lechner
//

#ifndef _LAX_LAXIMAGES_IMLIB_H
#define _LAX_LAXIMAGES_IMLIB_H

#include <lax/laximages.h>
#include <Imlib2.h>

namespace Laxkit {

//--------------------------- LaxImlibImage --------------------------------------
class LaxImlibImage : public LaxImage
{
 protected:
    char flag,whichimage;
 public:
    Imlib_Image image;
    int width,height;
    int dwidth,dheight;
    LaxImlibImage(const char *fname,Imlib_Image img=0,const char *npreviewfile=NULL,
                  int maxx=0,int maxy=0,char del=0);
    virtual ~LaxImlibImage();
    virtual Imlib_Image Image(int which=0);
    virtual void doneForNow();
    virtual unsigned int imagestate();
    virtual int imagetype() { return LAX_IMAGE_IMLIB; }
    virtual int w() { return width; }
    virtual int h() { return height; }
    virtual int dataw() { return dwidth; } //often smaller image used for preview purposes..
    virtual int datah() { return dheight; }
    virtual void clear();

    virtual unsigned char *getImageBuffer();
    virtual int doneWithBuffer(unsigned char *buffer);
};


//----------------- LaxImlibImage utils

 //-----extra utility functions
void laximlib_usealpha(int yes);
void laximlib_update_alpha(int alpha);
void laximlib_alternate_drawable(Drawable drawable);

 //----------default image function replacements
int laximlib_image_type();

void laximlib_image_out(LaxImage *image, aDrawable *win, int ulx, int uly);
void laximlib_image_out_rotated(LaxImage *image, aDrawable *win, int ulx,int uly, int urx,int ury);
void laximlib_image_out_skewed(LaxImage *image, aDrawable *win, int ulx,int uly, int urx,int ury, int llx, int lly);
void laximlib_image_out_matrix(LaxImage *image, aDrawable *win, double *m);
LaxImage *load_imlib_image(const char *filename);
LaxImage *load_imlib_image_with_preview(const char *filename,const char *previewfile,int maxx,int maxy,char del);
int laximlib_generate_preview(const char *original_file, const char *to_preview_file, const char *format,int maxw, int maxh, int fit);
LaxImage *image_from_buffer_imlib(unsigned char *buffer, int w, int h, int stride);
LaxImage *create_new_imlib_image(int w, int h);

} //namespace Laxkit

#endif