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libsysprof-gtk: allow flipping y-axis of line layer

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This way it can be packed into a split layer to allow emulate our previous
duplex graphs.
This commit is contained in:
Christian Hergert
2023-06-20 16:19:39 -07:00
parent 5403f0335f
commit 1522a9f57f
2 changed files with 48 additions and 1 deletions
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44
src/libsysprof-gtk/sysprof-line-layer.c
View File

@ -29,6 +29,7 @@ struct _SysprofLineLayer
SysprofXYSeries *series;
GdkRGBA color;
guint use_curves : 1;
guint flip_y : 1;
};
G_DEFINE_FINAL_TYPE (SysprofLineLayer, sysprof_line_layer, SYSPROF_TYPE_CHART_LAYER)
@ -36,6 +37,7 @@ G_DEFINE_FINAL_TYPE (SysprofLineLayer, sysprof_line_layer, SYSPROF_TYPE_CHART_LA
enum {
PROP_0,
PROP_COLOR,
PROP_FLIP_Y,
PROP_SERIES,
PROP_USE_CURVES,
N_PROPS
@ -78,7 +80,10 @@ sysprof_line_layer_snapshot (GtkWidget *widget,
gdk_cairo_set_source_rgba (cr, &self->color);
cairo_set_line_width (cr, 1./width);
cairo_set_matrix (cr, &(cairo_matrix_t) {1, 0, 0, -1, 0, height});
if (!self->flip_y)
cairo_set_matrix (cr, &(cairo_matrix_t) {1, 0, 0, -1, 0, height});
cairo_scale (cr, width, height);
last_x = values->x;
@ -144,6 +149,10 @@ sysprof_line_layer_get_property (GObject *object,
g_value_set_boxed (value, sysprof_line_layer_get_color (self));
break;
case PROP_FLIP_Y:
g_value_set_boolean (value, sysprof_line_layer_get_flip_y (self));
break;
case PROP_SERIES:
g_value_set_boxed (value, sysprof_line_layer_get_series (self));
break;
@ -171,6 +180,10 @@ sysprof_line_layer_set_property (GObject *object,
sysprof_line_layer_set_color (self, g_value_get_boxed (value));
break;
case PROP_FLIP_Y:
sysprof_line_layer_set_flip_y (self, g_value_get_boolean (value));
break;
case PROP_SERIES:
sysprof_line_layer_set_series (self, g_value_get_boxed (value));
break;
@ -201,6 +214,11 @@ sysprof_line_layer_class_init (SysprofLineLayerClass *klass)
GDK_TYPE_RGBA,
(G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS));
properties [PROP_FLIP_Y] =
g_param_spec_boolean ("flip-y", NULL, NULL,
FALSE,
(G_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY | G_PARAM_STATIC_STRINGS));
properties[PROP_SERIES] =
g_param_spec_boxed ("series", NULL, NULL,
SYSPROF_TYPE_XY_SERIES,
@ -279,6 +297,30 @@ sysprof_line_layer_set_series (SysprofLineLayer *self,
gtk_widget_queue_draw (GTK_WIDGET (self));
}
gboolean
sysprof_line_layer_get_flip_y (SysprofLineLayer *self)
{
g_return_val_if_fail (SYSPROF_IS_LINE_LAYER (self), FALSE);
return self->flip_y;
}
void
sysprof_line_layer_set_flip_y (SysprofLineLayer *self,
gboolean flip_y)
{
g_return_if_fail (SYSPROF_IS_LINE_LAYER (self));
flip_y = !!flip_y;
if (flip_y != self->flip_y)
{
self->flip_y = flip_y;
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_FLIP_Y]);
gtk_widget_queue_draw (GTK_WIDGET (self));
}
}
gboolean
sysprof_line_layer_get_use_curves (SysprofLineLayer *self)
{

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

@ -44,6 +44,11 @@ SYSPROF_AVAILABLE_IN_ALL
void sysprof_line_layer_set_series (SysprofLineLayer *self,
SysprofXYSeries *series);
SYSPROF_AVAILABLE_IN_ALL
gboolean sysprof_line_layer_get_flip_y (SysprofLineLayer *self);
SYSPROF_AVAILABLE_IN_ALL
void sysprof_line_layer_set_flip_y (SysprofLineLayer *self,
gboolean flip_y);
SYSPROF_AVAILABLE_IN_ALL
gboolean sysprof_line_layer_get_use_curves (SysprofLineLayer *self);
SYSPROF_AVAILABLE_IN_ALL
void sysprof_line_layer_set_use_curves (SysprofLineLayer *self,