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Recorder: Show details about linear gradient nodes

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This commit is contained in:
Matthias Clasen 2017-09-28 21:06:35 -04:00
parent 89261d18c2
commit 352b566179
1 changed files with 72 additions and 0 deletions
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72
gtk/inspector/recorder.c
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@ -206,6 +206,37 @@ get_color_surface (const GdkRGBA *color)
return surface;
}
static cairo_surface_t *
get_linear_gradient_surface (gsize n_stops, GskColorStop *stops)
{
cairo_surface_t *surface;
cairo_t *cr;
cairo_pattern_t *pattern;
int i;
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 90, 30);
cr = cairo_create (surface);
pattern = cairo_pattern_create_linear (0, 0, 90, 0);
for (i = 0; i < n_stops; i++)
{
cairo_pattern_add_color_stop_rgba (pattern,
stops[i].offset,
stops[i].color.red,
stops[i].color.green,
stops[i].color.blue,
stops[i].color.alpha);
}
cairo_set_source (cr, pattern);
cairo_pattern_destroy (pattern);
cairo_rectangle (cr, 0, 0, 90, 30);
cairo_fill (cr);
cairo_destroy (cr);
return surface;
}
static void
populate_render_node_properties (GtkListStore *store,
GskRenderNode *node)
@ -291,6 +322,47 @@ populate_render_node_properties (GtkListStore *store,
}
break;
case GSK_LINEAR_GRADIENT_NODE:
case GSK_REPEATING_LINEAR_GRADIENT_NODE:
{
const graphene_point_t *start = gsk_linear_gradient_node_peek_start (node);
const graphene_point_t *end = gsk_linear_gradient_node_peek_end (node);
const gsize n_stops = gsk_linear_gradient_node_get_n_color_stops (node);
const GskColorStop *stops = gsk_linear_gradient_node_peek_color_stops (node);
char *text;
int i;
GString *s;
cairo_surface_t *surface;
text = g_strdup_printf ("%.2f %.2f ⟶ %.2f %.2f", start->x, start->y, end->x, end->y);
gtk_list_store_insert_with_values (store, NULL, -1,
0, "Direction",
1, text,
2, FALSE,
3, NULL,
-1);
g_free (text);
s = g_string_new ("");
for (i = 0; i < n_stops; i++)
{
char *tmp = gdk_rgba_to_string (&stops[i].color);
g_string_append_printf (s, "%.2f, %s\n", stops[i].offset, tmp);
g_free (tmp);
}
surface = get_linear_gradient_surface (n_stops, stops);
gtk_list_store_insert_with_values (store, NULL, -1,
0, "Color Stops",
1, s->str,
2, TRUE,
3, surface,
-1);
g_string_free (s, TRUE);
cairo_surface_destroy (surface);
}
break;
case GSK_TEXT_NODE:
{
PangoFont *font = gsk_text_node_get_font (node);