/**
* eog_thumbnail_fit_to_size:
* @thumbnail: a #GdkPixbuf
* @dimension: the maximum width or height desired
*
* Ensures a pixbuf fits a given @dimension
*
* Returns: (transfer full): a new #GdkPixbuf
**/
GdkPixbuf *
eog_thumbnail_fit_to_size (GdkPixbuf *thumbnail, gint dimension)
{
gint width, height;
width = gdk_pixbuf_get_width (thumbnail);
height = gdk_pixbuf_get_height (thumbnail);
if (width > dimension || height > dimension) {
GdkPixbuf *result_pixbuf;
gfloat factor;
if (width > height) {
factor = (gfloat) dimension / (gfloat) width;
} else {
factor = (gfloat) dimension / (gfloat) height;
}
width = MAX (width * factor, 1);
height = MAX (height * factor, 1);
result_pixbuf = gnome_desktop_thumbnail_scale_down_pixbuf (thumbnail, width, height);
return result_pixbuf;
}
return gdk_pixbuf_copy (thumbnail);
}
/**
* e_icon_factory_pixbuf_scale
* @pixbuf: a #GdkPixbuf
* @width: desired width, if less or equal to 0, then changed to 1
* @height: desired height, if less or equal to 0, then changed to 1
*
* Scales @pixbuf to desired size.
*
* Returns: a scaled #GdkPixbuf
**/
GdkPixbuf *
e_icon_factory_pixbuf_scale (GdkPixbuf *pixbuf,
gint width,
gint height)
{
g_return_val_if_fail (pixbuf != NULL, NULL);
if (width <= 0)
width = 1;
if (height <= 0)
height = 1;
#ifdef HAVE_GNOME_DESKTOP
/* because this can only scale down, not up */
if (gdk_pixbuf_get_width (pixbuf) > width && gdk_pixbuf_get_height (pixbuf) > height)
return gnome_desktop_thumbnail_scale_down_pixbuf (pixbuf, width, height);
#endif
return gdk_pixbuf_scale_simple (pixbuf, width, height, GDK_INTERP_BILINEAR);
}
static GdkPixbuf *
create_thumbnail_from_pixbuf (EogThumbData *data,
GdkPixbuf *pixbuf,
GError **error)
{
GdkPixbuf *thumb;
gint width, height;
gfloat perc;
g_assert (factory != NULL);
width = gdk_pixbuf_get_width (pixbuf);
height = gdk_pixbuf_get_height (pixbuf);
perc = CLAMP (128.0/(MAX (width, height)), 0, 1);
thumb = gnome_desktop_thumbnail_scale_down_pixbuf (pixbuf,
width*perc,
height*perc);
return thumb;
}
