77 lines
1.6 KiB
C
77 lines
1.6 KiB
C
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#include "nodewidget.h"
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struct _NodeWidget
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{
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GtkWidget parent_instance;
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GskRenderNode *node;
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};
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struct _NodeWidgetClass
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{
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GtkWidgetClass parent_class;
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};
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G_DEFINE_TYPE (NodeWidget, node_widget, GTK_TYPE_WIDGET)
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static void
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node_widget_init (NodeWidget *self)
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{
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}
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static void
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node_widget_dispose (GObject *object)
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{
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NodeWidget *self = NODE_WIDGET (object);
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gsk_render_node_unref (self->node);
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G_OBJECT_CLASS (node_widget_parent_class)->dispose (object);
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}
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static void
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node_widget_snapshot (GtkWidget *widget,
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GtkSnapshot *snapshot)
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{
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NodeWidget *self = NODE_WIDGET (widget);
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gtk_snapshot_append_node (snapshot, self->node);
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}
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static void
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node_widget_class_init (NodeWidgetClass *class)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (class);
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GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (class);
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object_class->dispose = node_widget_dispose;
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widget_class->snapshot = node_widget_snapshot;
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}
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GtkWidget *
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node_widget_new (const char *resource)
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{
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NodeWidget *self;
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GBytes *bytes;
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GskRenderNode *node;
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graphene_rect_t bounds;
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float scale;
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GskTransform *transform;
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self = g_object_new (NODE_TYPE_WIDGET, NULL);
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bytes = g_resources_lookup_data (resource, 0, NULL);
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node = gsk_render_node_deserialize (bytes, NULL, NULL);
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g_bytes_unref (bytes);
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gsk_render_node_get_bounds (node, &bounds);
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scale = MIN (100.0/bounds.size.width, 100.0/bounds.size.height);
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transform = gsk_transform_scale (NULL, scale, scale);
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self->node = gsk_transform_node_new (node, transform);
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gsk_transform_unref (transform);
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gsk_render_node_unref (node);
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return GTK_WIDGET (self);
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}
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