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#define dstmesh (&(sp->im_mesh[MAX_WINS + 1]))
/* color for selected points */
extern GdkGC *mps_gc;
/* color for resulting points */
extern GdkGC *mpr_gc;
/* color for mesh lines */
extern GdkGC *mpl_gc;
void allocate_colors(GtkWidget * widget);
void
flash_point(GdkDrawable *drawable,
int x,int y );
void
destroy_image_win_data(int lp);
void
alloc_image_win_data(int lp);
void
create_and_show_image_win(int lp);
void
init_image_win_data_and_set_all(int lp, /* the slot where the data are put
in the arrays in sp-> */
GtkWidget * topw, /* the top window */
char * name);
void
editview_callback(int i);
void
set_editshow(int lp, /* window number */
int status);
void
pixbuf_to_rrrgggbb(GdkPixbuf *pb, guint8 *r, guint8 *g, guint8 *b);
void
rrrgggbbb_add_to_pixbuf(GdkPixbuf *pb, /* destination */
const guint8 *r, const guint8 *g, const guint8 *b,
/* source */
double factor /* dissolving factor */
);
void
do_warp_an_image(int lp, char * r, char *g, char * b);
/********** showerr()
* shows libc error
*/
inline void
showerr(char *file, char *msg);
/**********************************************************
* accepts new backing pixmap of the appropriate size
* save it in the data of the top window
* and in the sp-> structure
* resizes the viewport
*/
gboolean
set_backing_pixmap (GtkWidget *widget,
GdkPixmap *newpixmap,
int width, int height);
/********************************************************************
loads image from pixbuf to pixmap for image window "lp"
you should unref the pixbuf when it exists
copies its data to r,g,b,
*/
void scale_loaded_pixbuf_to_pixmap_et_rrggbb(
GdkPixbuf *impixold,
int lp //image number
);
/* load/save hooks */
typedef gboolean (*fileselection_hook_t) (int lp, char *file);
gboolean load_image_from_file(int lp,
char *file);
gboolean save_image_to_file(int lp,
char *file);
gboolean save_mesh_to_file(int lp, char * file);
gboolean load_mesh_from_file(int lp, char * file);
/****************************************************************************
promote meshes to have same lines and columns
***************************************************************************/
void promote_meshes();
/***********************************************************************
which image are we displaying?
*/
#define PIXLOADED 0
#define PIXSUBIMAGE 1
#define PIXWARPED 2
GdkPixbuf **
which_pixbuf_is_visible(int lp);
GdkPixmap **
which_pixmap_is_visible(int lp);
GdkPixbuf **
which_pixbuf(int lp, int what);
GdkPixmap **
which_pixmap(int lp, int what);
static inline void
which_pixbuf_size(int lp, int what, int *w, int *h)
{
*w=sp->resulting_width; *h=sp->resulting_height;
if(what == PIXLOADED)
{ *w=sp->im_width[lp] ; *h=sp->im_height[lp]; }
}
void
create_pixbuf(int lp, int what);
void
create_pixmap_(int lp, int what);
static inline void
which_pixbuf_size_is_visible(int lp, int *w, int *h)
{
which_pixbuf_size( lp,sp->which_pix[lp] , w, h);
}
void
render_pixmap(int lp, int what);
/***************************************************************
* drawing area bookkeeping
***********************************************************
*/
/* creates new backing pixmap of the appropriate size
save it in the data of the top window
it uses: the image filename, to load the image, or, if none
it creates a black pixmap
it sets what is necessary for properly displaying the
drawing area*/
void
drawingarea_configure (int i);
void
reload_and_scale_image(int i);
/************************************
setup_handlebox_factors()
if there is only one image , then we may only warp it
so the handlebox is hidden
otherwise they are shown, and the user may set the factors and warp the image
***********************************/
void
setup_handlebox_factors();
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