static void
gnome_canvas_simpleline_class_init (GnomeCanvasSimpleLineClass *class)
{
- GObjectClass *gobject_class;
+ GObjectClass *gobject_class;
GtkObjectClass *object_class;
GnomeCanvasItemClass *item_class;
GnomeCanvasSimpleLine *simpleline;
int update = FALSE;
int bounds_changed = FALSE;
- double d;
+ double d;
g_return_if_fail (object != NULL);
g_return_if_fail (GNOME_IS_CANVAS_SIMPLELINE (object));
switch (prop_id) {
case PROP_X1:
- d = g_value_get_double (value);
- if (simpleline->x1 != d) {
- simpleline->x1 = d;
+ d = g_value_get_double (value);
+ if (simpleline->x1 != d) {
+ simpleline->x1 = d;
bounds_changed = TRUE;
}
break;
case PROP_Y1:
- d = g_value_get_double (value);
- if (simpleline->y1 != d) {
- simpleline->y1 = d;
+ d = g_value_get_double (value);
+ if (simpleline->y1 != d) {
+ simpleline->y1 = d;
bounds_changed = TRUE;
}
break;
case PROP_X2:
- d = g_value_get_double (value);
- if (simpleline->x2 != d) {
- simpleline->x2 = d;
+ d = g_value_get_double (value);
+ if (simpleline->x2 != d) {
+ simpleline->x2 = d;
bounds_changed = TRUE;
}
break;
case PROP_Y2:
- d = g_value_get_double (value);
- if (simpleline->y2 != d) {
- simpleline->y2 = d;
+ d = g_value_get_double (value);
+ if (simpleline->y2 != d) {
+ simpleline->y2 = d;
bounds_changed = TRUE;
}
break;
case PROP_COLOR_RGBA:
if (simpleline->color != g_value_get_uint(value)) {
- simpleline->color = g_value_get_uint(value);
+ simpleline->color = g_value_get_uint(value);
UINT_TO_RGBA (simpleline->color, &simpleline->r, &simpleline->g, &simpleline->b, &simpleline->a);
- update = TRUE;
+ update = TRUE;
}
break;
default:
GValue *value,
GParamSpec *pspec)
{
- g_return_if_fail (object != NULL);
- g_return_if_fail (GNOME_IS_CANVAS_SIMPLELINE (object));
+ g_return_if_fail (object != NULL);
+ g_return_if_fail (GNOME_IS_CANVAS_SIMPLELINE (object));
GnomeCanvasSimpleLine *line = GNOME_CANVAS_SIMPLELINE (object);
gnome_canvas_simpleline_update (GnomeCanvasItem *item, double *affine, ArtSVP *clip_path, int flags)
{
GnomeCanvasSimpleLine *simpleline;
- double x1, x2, y1, y2;
+ double x1, x2, y1, y2;
simpleline = GNOME_CANVAS_SIMPLELINE (item);
if (parent_class->update)
(* parent_class->update) (item, affine, clip_path, flags);
- /* redraw old location */
+ /* redraw old location */
- gnome_canvas_request_redraw (item->canvas, item->x1, item->y1, item->x2, item->y2);
+ gnome_canvas_request_redraw (item->canvas, item->x1, item->y1, item->x2, item->y2);
- /* get current bounding box in parent-relative world coordinates */
+ /* get current bounding box in parent-relative world coordinates */
- gnome_canvas_simpleline_bounds (item, &x1, &y1, &x2, &y2);
+ gnome_canvas_simpleline_bounds (item, &x1, &y1, &x2, &y2);
- /* convert parent-relative item coordinates to world coordinates */
+ /* convert parent-relative item coordinates to world coordinates */
- gnome_canvas_item_i2w (item, &x1, &y1);
- gnome_canvas_item_i2w (item, &x2, &y2);
+ gnome_canvas_item_i2w (item, &x1, &y1);
+ gnome_canvas_item_i2w (item, &x2, &y2);
- /* don't suffer from rounding errors */
+ /* don't suffer from rounding errors */
- x1 = floor (x1);
- y1 = floor (y1);
- x2 = ceil (x2);
- y2 = ceil (y2);
+ x1 = floor (x1);
+ y1 = floor (y1);
+ x2 = ceil (x2);
+ y2 = ceil (y2);
- /* force non-zero dimensionality for both axes */
+ /* force non-zero dimensionality for both axes */
- if (x1 == x2) {
- x2 += 1.0;
- }
+ if (x1 == x2) {
+ x2 += 1.0;
+ }
- if (y1 == y2) {
- y2 += 1.0;
- }
+ if (y1 == y2) {
+ y2 += 1.0;
+ }
- /* reset item bounding box (canvas coordinates, so integral. but stored in doubles) */
+ /* reset item bounding box (canvas coordinates, so integral. but stored in doubles) */
- gnome_canvas_w2c_d (GNOME_CANVAS(item->canvas), x1, y1, &item->x1, &item->y1);
- gnome_canvas_w2c_d (GNOME_CANVAS(item->canvas), x2, y2, &item->x2, &item->y2);
+ gnome_canvas_w2c_d (GNOME_CANVAS(item->canvas), x1, y1, &item->x1, &item->y1);
+ gnome_canvas_w2c_d (GNOME_CANVAS(item->canvas), x2, y2, &item->x2, &item->y2);
- /* redraw new location */
+ /* redraw new location */
- gnome_canvas_request_redraw (item->canvas, item->x1, item->y1, item->x2, item->y2);
+ gnome_canvas_request_redraw (item->canvas, item->x1, item->y1, item->x2, item->y2);
- /* store actual line coords as canvas coordinates for use in render() */
+ /* store actual line coords as canvas coordinates for use in render() */
- x1 = simpleline->x1;
- y1 = simpleline->y1;
- x2 = simpleline->x2;
- y2 = simpleline->y2;
- /* convert to world */
- gnome_canvas_item_i2w (item, &x1, &y1);
- gnome_canvas_item_i2w (item, &x2, &y2);
- /* avoid rounding errors */
- x1 = (int) floor (item->x1);
- y1 = (int) floor (item->y1);
- x2 = (int) ceil (item->x2);
- y2 = (int) ceil (item->y2);
- /* convert to canvas coordinates, integral, stored in integers */
- gnome_canvas_w2c (GNOME_CANVAS(item->canvas), x1, y1, &simpleline->cx1, &simpleline->cy1);
- gnome_canvas_w2c (GNOME_CANVAS(item->canvas), x2, y2, &simpleline->cx2, &simpleline->cy2);
+ x1 = simpleline->x1;
+ y1 = simpleline->y1;
+ x2 = simpleline->x2;
+ y2 = simpleline->y2;
+ /* convert to world */
+ gnome_canvas_item_i2w (item, &x1, &y1);
+ gnome_canvas_item_i2w (item, &x2, &y2);
+ /* avoid rounding errors */
+ x1 = (int) floor (item->x1);
+ y1 = (int) floor (item->y1);
+ x2 = (int) ceil (item->x2);
+ y2 = (int) ceil (item->y2);
+ /* convert to canvas coordinates, integral, stored in integers */
+ gnome_canvas_w2c (GNOME_CANVAS(item->canvas), x1, y1, &simpleline->cx1, &simpleline->cy1);
+ gnome_canvas_w2c (GNOME_CANVAS(item->canvas), x2, y2, &simpleline->cx2, &simpleline->cy2);
}
static void
{
GnomeCanvasSimpleLine *simpleline;
int x1, x2;
- int y1, y2;
+ int y1, y2;
simpleline = GNOME_CANVAS_SIMPLELINE (item);
x1 = simpleline->cx1;
x2 = simpleline->cx2;
- y1 = simpleline->cy1;
+ y1 = simpleline->cy1;
if (buf->is_bg) {
gnome_canvas_buf_ensure_buf (buf);
buf->is_bg = FALSE;
}
- if (simpleline->x1 != simpleline->x2) {
- PAINT_HORIZA(buf, simpleline->r, simpleline->g, simpleline->b, simpleline->a,
- x1, x2, y1);
- } else {
- y2 = simpleline->cy2;
- PAINT_VERTA (buf, simpleline->r, simpleline->g, simpleline->b, simpleline->a,
- x1, y1, y2);
+ if (simpleline->x1 != simpleline->x2) {
+ PAINT_HORIZA(buf, simpleline->r, simpleline->g, simpleline->b, simpleline->a,
+ x1, x2, y1);
+ } else {
+ y2 = simpleline->cy2;
+ PAINT_VERTA (buf, simpleline->r, simpleline->g, simpleline->b, simpleline->a,
+ x1, y1, y2);
- }
+ }
}
static void
{
GnomeCanvasSimpleLine *simpleline = GNOME_CANVAS_SIMPLELINE (item);
- *x1 = simpleline->x1;
- *y1 = simpleline->y1;
- *x2 = simpleline->x1;
- *y2 = simpleline->y2;
+ *x1 = simpleline->x1;
+ *y1 = simpleline->y1;
+ *x2 = simpleline->x1;
+ *y2 = simpleline->y2;
}
static double
projects / ardour.git / blobdiff