static gboolean paint_press (GtkWidget *widget,
GdkEventButton *event)
{
if (event->button == 1)
{
vector = gegl_path_new ();
over = gegl_node_new_child (gegl, "operation", "gegl:over", NULL);
stroke = gegl_node_new_child (gegl, "operation", "gegl:path",
"d", vector,
"fill-opacity", 0.0,
"stroke", gegl_color_new (COLOR),
"stroke-width", LINEWIDTH,
"stroke-hardness", HARDNESS,
NULL);
gegl_node_link_many (top, over, out, NULL);
gegl_node_connect_to (stroke, "output", over, "aux");
gegl_path_append (vector, 'M', event->x, event->y);
pen_down = TRUE;
return TRUE;
}
return FALSE;
}
static void
gimp_warp_tool_button_press (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpButtonPressType press_type,
GimpDisplay *display)
{
GimpWarpTool *wt = GIMP_WARP_TOOL (tool);
GimpWarpOptions *options = GIMP_WARP_TOOL_GET_OPTIONS (wt);
GeglNode *new_op;
gint off_x, off_y;
if (tool->display && display != tool->display)
{
gimp_tool_pop_status (tool, tool->display);
gimp_warp_tool_halt (wt);
}
if (! tool->display)
{
if (! gimp_warp_tool_start (wt, display))
return;
}
wt->current_stroke = gegl_path_new ();
new_op = gegl_node_new_child (NULL,
"operation", "gegl:warp",
"behavior", options->behavior,
"strength", options->effect_strength,
"size", options->effect_size,
"hardness", options->effect_hardness,
"stroke", wt->current_stroke,
NULL);
gimp_warp_tool_add_op (wt, new_op);
g_object_unref (new_op);
g_signal_connect (wt->current_stroke, "changed",
G_CALLBACK (gimp_warp_tool_stroke_changed),
wt);
gimp_item_get_offset (GIMP_ITEM (tool->drawable), &off_x, &off_y);
gegl_path_append (wt->current_stroke,
'M', coords->x - off_x, coords->y - off_y);
wt->stroke_timer = g_timeout_add (STROKE_PERIOD,
(GSourceFunc) gimp_warp_tool_stroke_timer,
wt);
gimp_tool_control_activate (tool->control);
}
