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snapshot: Only compute start and end point if we have to

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If the linear gradient results in a color node, we don't need the start
and end point. Only declare and compute it if we need to.
This commit is contained in:
Timm Bäder 2021-07-15 16:52:38 +02:00
parent 3eed61deba
commit 433233258b
1 changed files with 18 additions and 14 deletions
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32
gtk/gtksnapshot.c
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@ -2159,12 +2159,9 @@ gtk_snapshot_append_linear_gradient (GtkSnapshot *snapshot,
{
GskRenderNode *node;
graphene_rect_t real_bounds;
graphene_point_t real_start_point;
graphene_point_t real_end_point;
float scale_x, scale_y, dx, dy;
const GdkRGBA *first_color;
gboolean need_gradient = FALSE;
int i;
g_return_if_fail (snapshot != NULL);
g_return_if_fail (start_point != NULL);
@ -2174,13 +2171,9 @@ gtk_snapshot_append_linear_gradient (GtkSnapshot *snapshot,
gtk_snapshot_ensure_affine (snapshot, &scale_x, &scale_y, &dx, &dy);
gtk_graphene_rect_scale_affine (bounds, scale_x, scale_y, dx, dy, &real_bounds);
real_start_point.x = scale_x * start_point->x + dx;
real_start_point.y = scale_y * start_point->y + dy;
real_end_point.x = scale_x * end_point->x + dx;
real_end_point.y = scale_y * end_point->y + dy;
first_color = &stops[0].color;
for (i = 0; i < n_stops; i ++)
for (gsize i = 0; i < n_stops; i ++)
{
if (!gdk_rgba_equal (first_color, &stops[i].color))
{
@ -2190,13 +2183,24 @@ gtk_snapshot_append_linear_gradient (GtkSnapshot *snapshot,
}
if (need_gradient)
node = gsk_linear_gradient_node_new (&real_bounds,
&real_start_point,
&real_end_point,
stops,
n_stops);
{
graphene_point_t real_start_point, real_end_point;
real_start_point.x = scale_x * start_point->x + dx;
real_start_point.y = scale_y * start_point->y + dy;
real_end_point.x = scale_x * end_point->x + dx;
real_end_point.y = scale_y * end_point->y + dy;
node = gsk_linear_gradient_node_new (&real_bounds,
&real_start_point,
&real_end_point,
stops,
n_stops);
}
else
node = gsk_color_node_new (first_color, &real_bounds);
{
node = gsk_color_node_new (first_color, &real_bounds);
}
gtk_snapshot_append_node_internal (snapshot, node);
}