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libsysprof-gtk: add antialias option

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This commit is contained in:
Christian Hergert
2023-06-28 12:50:49 -07:00
parent 712013a91a
commit 19d6347ff3
3 changed files with 67 additions and 16 deletions
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45
src/libsysprof-gtk/sysprof-line-layer.c
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@ -35,6 +35,7 @@ struct _SysprofLineLayer
GdkRGBA color;
guint antialias : 1;
guint color_set : 1;
guint dashed : 1;
guint fill : 1;
@ -50,6 +51,7 @@ G_DEFINE_FINAL_TYPE (SysprofLineLayer, sysprof_line_layer, SYSPROF_TYPE_XY_LAYER
enum {
PROP_0,
PROP_ANTIALIAS,
PROP_COLOR,
PROP_DASHED,
PROP_FILL,
@ -100,6 +102,11 @@ sysprof_line_layer_snapshot (GtkWidget *widget,
cr = gtk_snapshot_append_cairo (snapshot, &GRAPHENE_RECT_INIT (0, 0, width, height));
if (self->antialias)
cairo_set_antialias (cr, CAIRO_ANTIALIAS_GRAY);
else
cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE);
cairo_set_line_width (cr, 1);
cairo_set_matrix (cr, &(cairo_matrix_t) {1, 0, 0, -1, 0, height});
@ -271,6 +278,10 @@ sysprof_line_layer_get_property (GObject *object,
switch (prop_id)
{
case PROP_ANTIALIAS:
g_value_set_boolean (value, sysprof_line_layer_get_antialias (self));
break;
case PROP_COLOR:
g_value_set_boxed (value, sysprof_line_layer_get_color (self));
break;
@ -302,6 +313,10 @@ sysprof_line_layer_set_property (GObject *object,
switch (prop_id)
{
case PROP_ANTIALIAS:
sysprof_line_layer_set_antialias (self, g_value_get_boolean (value));
break;
case PROP_COLOR:
sysprof_line_layer_set_color (self, g_value_get_boxed (value));
break;
@ -337,6 +352,11 @@ sysprof_line_layer_class_init (SysprofLineLayerClass *klass)
chart_layer_class->snapshot_motion = sysprof_line_layer_snapshot_motion;
properties [PROP_ANTIALIAS] =
g_param_spec_boolean ("antialias", NULL, NULL,
TRUE,
(G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS));
properties[PROP_COLOR] =
g_param_spec_boxed ("color", NULL, NULL,
GDK_TYPE_RGBA,
@ -364,6 +384,7 @@ static void
sysprof_line_layer_init (SysprofLineLayer *self)
{
self->color.alpha = 1;
self->antialias = TRUE;
}
const GdkRGBA *
@ -465,3 +486,27 @@ sysprof_line_layer_set_spline (SysprofLineLayer *self,
gtk_widget_queue_draw (GTK_WIDGET (self));
}
}
gboolean
sysprof_line_layer_get_antialias (SysprofLineLayer *self)
{
g_return_val_if_fail (SYSPROF_IS_LINE_LAYER (self), FALSE);
return self->antialias;
}
void
sysprof_line_layer_set_antialias (SysprofLineLayer *self,
gboolean antialias)
{
g_return_if_fail (SYSPROF_IS_LINE_LAYER (self));
antialias = !!antialias;
if (antialias != self->antialias)
{
self->antialias = antialias;
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_ANTIALIAS]);
gtk_widget_queue_draw (GTK_WIDGET (self));
}
}