void
dummybrushdmenuselect (GtkWidget *w, gpointer data)
{
ppm_kill (&brushppm);
ppm_new (&brushppm, 10,10);
brush_from_file = 0;
update_brush_preview (NULL);
}
static void
brushdmenuselect (GtkWidget *widget,
gpointer data)
{
GimpPixelRgn src_rgn;
guchar *src_row;
guchar *src;
gint id;
gint bpp;
gint x, y;
ppm_t *p;
gint x1, y1, x2, y2;
gint row;
GimpDrawable *drawable;
gint rowstride;
gimp_int_combo_box_get_active (GIMP_INT_COMBO_BOX (widget), &id);
if (id == -1)
return;
if (brush_from_file == 2)
return; /* Not finished GUI-building yet */
if (brush_from_file)
{
#if 0
unselectall (brush_list);
#endif
preset_save_button_set_sensitive (FALSE);
}
gtk_adjustment_set_value (brush_gamma_adjust, 1.0);
gtk_adjustment_set_value (brush_aspect_adjust, 0.0);
drawable = gimp_drawable_get (id);
gimp_drawable_mask_bounds (drawable->drawable_id, &x1, &y1, &x2, &y2);
bpp = gimp_drawable_bpp (drawable->drawable_id);
ppm_kill (&brushppm);
ppm_new (&brushppm, x2 - x1, y2 - y1);
p = &brushppm;
rowstride = p->width * 3;
src_row = g_new (guchar, (x2 - x1) * bpp);
gimp_pixel_rgn_init (&src_rgn, drawable,
0, 0, x2 - x1, y2 - y1,
FALSE, FALSE);
if (bpp == 3)
{ /* RGB */
int bpr = (x2 - x1) * 3;
for (row = 0, y = y1; y < y2; row++, y++)
{
gimp_pixel_rgn_get_row (&src_rgn, src_row, x1, y, (x2 - x1));
memcpy (p->col + row*rowstride, src_row, bpr);
}
}
else
{ /* RGBA (bpp > 3) GrayA (bpp == 2) or Gray */
gboolean is_gray = ((bpp > 3) ? TRUE : FALSE);
for (row = 0, y = y1; y < y2; row++, y++)
{
guchar *tmprow = p->col + row * rowstride;
guchar *tmprow_ptr;
gimp_pixel_rgn_get_row (&src_rgn, src_row, x1, y, (x2 - x1));
src = src_row;
tmprow_ptr = tmprow;
/* Possible micro-optimization here:
* src_end = src + src_rgn.bpp * (x2-x1);
* for ( ; src < src_end ; src += src_rgn.bpp)
*/
for (x = x1; x < x2; x++)
{
*(tmprow_ptr++) = src[0];
*(tmprow_ptr++) = src[is_gray ? 1 : 0];
*(tmprow_ptr++) = src[is_gray ? 2 : 0];
src += src_rgn.bpp;
}
}
}
g_free (src_row);
if (bpp >= 3)
pcvals.color_brushes = 1;
else
pcvals.color_brushes = 0;
brush_from_file = 0;
update_brush_preview (NULL);
}
static void
brush_asepct_adjust_cb (GtkWidget *w, gpointer data)
{
gimp_double_adjustment_update (GTK_ADJUSTMENT (w), data);
update_brush_preview (pcvals.selected_brush);
}
/*
* "force" implies here to change the brush even if it was the same.
* It is used for the initialization of the preview.
* */
static void
brush_select (GtkTreeSelection *selection, gboolean force)
{
GtkTreeIter iter;
GtkTreeModel *model;
gchar *fname = NULL;
gchar *brush = NULL;
if (brush_dont_update)
goto cleanup;
if (brush_from_file == 0)
{
update_brush_preview (NULL);
goto cleanup;
}
if (gtk_tree_selection_get_selected (selection, &model, &iter))
{
gtk_tree_model_get (model, &iter, 0, &brush, -1);
/* Check if the same brush was selected twice, and if so
* break. Otherwise, the brush gamma and stuff would have been
* reset.
* */
if (last_selected_brush == NULL)
{
last_selected_brush = g_strdup (brush);
}
else
{
if (!strcmp (last_selected_brush, brush))
{
if (!force)
{
goto cleanup;
}
}
else
{
g_free (last_selected_brush);
last_selected_brush = g_strdup (brush);
}
}
brush_dont_update = TRUE;
gtk_adjustment_set_value (brush_gamma_adjust, 1.0);
gtk_adjustment_set_value (brush_aspect_adjust, 0.0);
brush_dont_update = FALSE;
if (brush)
{
fname = g_build_filename ("Brushes", brush, NULL);
g_strlcpy (pcvals.selected_brush,
fname, sizeof (pcvals.selected_brush));
update_brush_preview (fname);
}
}
cleanup:
g_free (fname);
g_free (brush);
}
static void
brush_asepct_adjust_cb (GtkAdjustment *a, gpointer data)
{
gimp_double_adjustment_update (a, data);
update_brush_preview (pcvals.selected_brush);
}
