GimpCanvasItem *
gimp_draw_tool_add_path (GimpDrawTool *draw_tool,
const GimpBezierDesc *desc)
{
GimpCanvasItem *item;
g_return_val_if_fail (GIMP_IS_DRAW_TOOL (draw_tool), NULL);
g_return_val_if_fail (desc != NULL, NULL);
item = gimp_canvas_path_new (gimp_display_get_shell (draw_tool->display),
desc, FALSE, FALSE);
gimp_draw_tool_add_item (draw_tool, item);
g_object_unref (item);
return item;
}
static void
gimp_display_shell_vectors_add_handler (GimpContainer *container,
GimpVectors *vectors,
GimpDisplayShell *shell)
{
GimpCanvasProxyGroup *group = GIMP_CANVAS_PROXY_GROUP (shell->vectors);
GimpCanvasItem *item;
item = gimp_canvas_path_new (shell,
gimp_vectors_get_bezier (vectors),
0, 0,
FALSE,
GIMP_PATH_STYLE_VECTORS);
gimp_canvas_item_set_visible (item,
gimp_item_get_visible (GIMP_ITEM (vectors)));
gimp_canvas_proxy_group_add_item (group, vectors, item);
g_object_unref (item);
}
GimpCanvasItem *
gimp_brush_tool_create_outline (GimpBrushTool *brush_tool,
GimpDisplay *display,
gdouble x,
gdouble y)
{
GimpBrushCore *brush_core;
GimpPaintOptions *options;
GimpDisplayShell *shell;
const GimpBezierDesc *boundary = NULL;
gint width = 0;
gint height = 0;
g_return_val_if_fail (GIMP_IS_BRUSH_TOOL (brush_tool), NULL);
g_return_val_if_fail (GIMP_IS_DISPLAY (display), NULL);
if (! GIMP_PAINT_TOOL (brush_tool)->draw_brush)
return NULL;
brush_core = GIMP_BRUSH_CORE (GIMP_PAINT_TOOL (brush_tool)->core);
options = GIMP_PAINT_TOOL_GET_OPTIONS (brush_tool);
shell = gimp_display_get_shell (display);
if (! brush_core->main_brush || ! brush_core->dynamics)
return NULL;
if (brush_core->scale > 0.0)
boundary = gimp_brush_transform_boundary (brush_core->main_brush,
brush_core->scale,
brush_core->aspect_ratio,
brush_core->angle,
brush_core->hardness,
&width,
&height);
/* don't draw the boundary if it becomes too small */
if (boundary &&
SCALEX (shell, width) > 4 &&
SCALEY (shell, height) > 4)
{
x -= width / 2.0;
y -= height / 2.0;
if (gimp_paint_options_get_brush_mode (options) == GIMP_BRUSH_HARD)
{
#define EPSILON 0.000001
/* Add EPSILON before rounding since e.g.
* (5.0 - 0.5) may end up at (4.499999999....)
* due to floating point fnords
*/
x = RINT (x + EPSILON);
y = RINT (y + EPSILON);
#undef EPSILON
}
return gimp_canvas_path_new (shell, boundary, x, y, FALSE,
GIMP_PATH_STYLE_OUTLINE);
}
return NULL;
}
