|  |  |  | GIMP Library Reference Manual |  | 
|---|---|---|---|---|
            GimpRgnIterator;
void        (*GimpRgnFunc1)                 (const guchar *src,
                                             gint bpp,
                                             gpointer data);
void        (*GimpRgnFunc2)                 (const guchar *src,
                                             guchar *dest,
                                             gint bpp,
                                             gpointer data);
void        (*GimpRgnFuncSrc)               (gint x,
                                             gint y,
                                             const guchar *src,
                                             gint bpp,
                                             gpointer data);
void        (*GimpRgnFuncDest)              (gint x,
                                             gint y,
                                             guchar *dest,
                                             gint bpp,
                                             gpointer data);
void        (*GimpRgnFuncSrcDest)           (gint x,
                                             gint y,
                                             const guchar *src,
                                             guchar *dest,
                                             gint bpp,
                                             gpointer data);
GimpRgnIterator* gimp_rgn_iterator_new      (GimpDrawable *drawable,
                                             GimpRunMode unused);
void        gimp_rgn_iterator_free          (GimpRgnIterator *iter);
void        gimp_rgn_iterator_src           (GimpRgnIterator *iter,
                                             GimpRgnFuncSrc func,
                                             gpointer data);
void        gimp_rgn_iterator_dest          (GimpRgnIterator *iter,
                                             GimpRgnFuncDest func,
                                             gpointer data);
void        gimp_rgn_iterator_src_dest      (GimpRgnIterator *iter,
                                             GimpRgnFuncSrcDest func,
                                             gpointer data);
void        gimp_rgn_iterate1               (GimpDrawable *drawable,
                                             GimpRunMode unused,
                                             GimpRgnFunc1 func,
                                             gpointer data);
void        gimp_rgn_iterate2               (GimpDrawable *drawable,
                                             GimpRunMode unused,
                                             GimpRgnFunc2 func,
                                             gpointer data);
The GimpRgnIterator functions provide a variety of common ways to traverse a PixelRegion, using a pre-defined function pointer per pixel.
void        (*GimpRgnFunc1)                 (const guchar *src,
                                             gint bpp,
                                             gpointer data);
| src: | |
| bpp: | |
| data: | 
void        (*GimpRgnFunc2)                 (const guchar *src,
                                             guchar *dest,
                                             gint bpp,
                                             gpointer data);
| src: | |
| dest: | |
| bpp: | |
| data: | 
void        (*GimpRgnFuncSrc)               (gint x,
                                             gint y,
                                             const guchar *src,
                                             gint bpp,
                                             gpointer data);
| x: | |
| y: | |
| src: | |
| bpp: | |
| data: | 
void        (*GimpRgnFuncDest)              (gint x,
                                             gint y,
                                             guchar *dest,
                                             gint bpp,
                                             gpointer data);
| x: | |
| y: | |
| dest: | |
| bpp: | |
| data: | 
void        (*GimpRgnFuncSrcDest)           (gint x,
                                             gint y,
                                             const guchar *src,
                                             guchar *dest,
                                             gint bpp,
                                             gpointer data);
| x: | |
| y: | |
| src: | |
| dest: | |
| bpp: | |
| data: | 
GimpRgnIterator* gimp_rgn_iterator_new (GimpDrawable *drawable, GimpRunMode unused);
Creates a new GimpRgnIterator for drawable. The GimpRunMode
parameter is ignored.
| drawable: | a GimpDrawable | 
| unused: | ignored | 
| Returns : | a newly allocated GimpRgnIterator. | 
void gimp_rgn_iterator_free (GimpRgnIterator *iter);
Frees the resources allocated for iter.
| iter: | a GimpRgnIterator | 
void gimp_rgn_iterator_src (GimpRgnIterator *iter, GimpRgnFuncSrc func, gpointer data);
| iter: | |
| func: | |
| data: | 
void gimp_rgn_iterator_dest (GimpRgnIterator *iter, GimpRgnFuncDest func, gpointer data);
| iter: | |
| func: | |
| data: | 
void gimp_rgn_iterator_src_dest (GimpRgnIterator *iter, GimpRgnFuncSrcDest func, gpointer data);
| iter: | |
| func: | |
| data: | 
void gimp_rgn_iterate1 (GimpDrawable *drawable, GimpRunMode unused, GimpRgnFunc1 func, gpointer data);
| drawable: | |
| unused: | |
| func: | |
| data: | 
void gimp_rgn_iterate2 (GimpDrawable *drawable, GimpRunMode unused, GimpRgnFunc2 func, gpointer data);
| drawable: | |
| unused: | |
| func: | |
| data: |