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libsysprof-gtk: allow setting dashed lines

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This is needed to make graphs like our previous cpu frequency graphs.
This commit is contained in:
Christian Hergert
2023-06-20 17:18:32 -07:00
parent 4191dc74b3
commit b77247c40c
2 changed files with 52 additions and 2 deletions
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49
src/libsysprof-gtk/sysprof-line-layer.c
View File

@ -26,11 +26,15 @@
struct _SysprofLineLayer
{
SysprofChartLayer parent_instance;
SysprofXYSeries *series;
GdkRGBA color;
guint use_curves : 1;
guint flip_y : 1;
guint dashed : 1;
guint fill : 1;
guint flip_y : 1;
guint use_curves : 1;
};
G_DEFINE_FINAL_TYPE (SysprofLineLayer, sysprof_line_layer, SYSPROF_TYPE_CHART_LAYER)
@ -38,6 +42,7 @@ G_DEFINE_FINAL_TYPE (SysprofLineLayer, sysprof_line_layer, SYSPROF_TYPE_CHART_LA
enum {
PROP_0,
PROP_COLOR,
PROP_DASHED,
PROP_FILL,
PROP_FLIP_Y,
PROP_SERIES,
@ -145,6 +150,9 @@ sysprof_line_layer_snapshot (GtkWidget *widget,
cairo_fill_preserve (cr);
}
if (self->dashed)
cairo_set_dash (cr, (double[]){(1./height*2)}, 1, 0);
gdk_cairo_set_source_rgba (cr, &self->color);
cairo_stroke (cr);
@ -175,6 +183,10 @@ sysprof_line_layer_get_property (GObject *object,
g_value_set_boxed (value, sysprof_line_layer_get_color (self));
break;
case PROP_DASHED:
g_value_set_boolean (value, sysprof_line_layer_get_dashed (self));
break;
case PROP_FILL:
g_value_set_boolean (value, sysprof_line_layer_get_fill (self));
break;
@ -210,6 +222,10 @@ sysprof_line_layer_set_property (GObject *object,
sysprof_line_layer_set_color (self, g_value_get_boxed (value));
break;
case PROP_DASHED:
sysprof_line_layer_set_dashed (self, g_value_get_boolean (value));
break;
case PROP_FILL:
sysprof_line_layer_set_fill (self, g_value_get_boolean (value));
break;
@ -248,6 +264,11 @@ sysprof_line_layer_class_init (SysprofLineLayerClass *klass)
GDK_TYPE_RGBA,
(G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS));
properties [PROP_DASHED] =
g_param_spec_boolean ("dashed", NULL, NULL,
FALSE,
(G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS));
properties [PROP_FILL] =
g_param_spec_boolean ("fill", NULL, NULL,
FALSE,
@ -336,6 +357,30 @@ sysprof_line_layer_set_series (SysprofLineLayer *self,
gtk_widget_queue_draw (GTK_WIDGET (self));
}
gboolean
sysprof_line_layer_get_dashed (SysprofLineLayer *self)
{
g_return_val_if_fail (SYSPROF_IS_LINE_LAYER (self), FALSE);
return self->dashed;
}
void
sysprof_line_layer_set_dashed (SysprofLineLayer *self,
gboolean dashed)
{
g_return_if_fail (SYSPROF_IS_LINE_LAYER (self));
dashed = !!dashed;
if (dashed != self->dashed)
{
self->dashed = dashed;
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_DASHED]);
gtk_widget_queue_draw (GTK_WIDGET (self));
}
}
gboolean
sysprof_line_layer_get_fill (SysprofLineLayer *self)
{

5
src/libsysprof-gtk/sysprof-line-layer.h
View File

@ -45,6 +45,11 @@ SYSPROF_AVAILABLE_IN_ALL
void sysprof_line_layer_set_series (SysprofLineLayer *self,
SysprofXYSeries *series);
SYSPROF_AVAILABLE_IN_ALL
gboolean sysprof_line_layer_get_dashed (SysprofLineLayer *self);
SYSPROF_AVAILABLE_IN_ALL
void sysprof_line_layer_set_dashed (SysprofLineLayer *self,
gboolean dashed);
SYSPROF_AVAILABLE_IN_ALL
gboolean sysprof_line_layer_get_fill (SysprofLineLayer *self);
SYSPROF_AVAILABLE_IN_ALL
void sysprof_line_layer_set_fill (SysprofLineLayer *self,