#ifndef _RGBA_H #define _RGBA_H #include struct _RgbaImage { unsigned char *data; int width; int height; int hotx; int hoty; int has_alpha; }; typedef struct _RgbaImage * RgbaImage; RgbaImage new_rgba_image( int width, int height ); void delete_rgba_image( RgbaImage ri ); RgbaImage create_rgba_image_from_png_file( const char *filename ); RgbaImage scale_rgba_image( RgbaImage ri, double scalex, double scaley ); RgbaImage crop_rgba_image( RgbaImage ri, int x1, int y1, int x2, int y2 ); RgbaImage rotate_rgba_image( RgbaImage ri, double angle, int autocrop ); void create_pixmaps_from_rgba_image( RgbaImage ri, Pixmap *rgb, Pixmap *mask); unsigned long get_pixel( int red, int green, int blue ); #endif /* _RGBA_H */