1 files changed, 67 insertions, 0 deletions
diff --git a/stfgraphicsitem.cc b/stfgraphicsitem.cc
new file mode 100644
index 0000000..865a029
--- /dev/null
+++ b/stfgraphicsitem.cc
@@ -0,0 +1,67 @@
+#include <QtGui/QPainterPath>
+
+#include "stfreader.h"
+#include "stfgraphicsitem.h"
+
+class StfToGraphicsPathItems : public StfReader::StrokeHandler {
+	QGraphicsItem *parent;
+	QPainterPath path;
+	QRectF bound;
+
+public:
+	StfToGraphicsPathItems(QGraphicsItem* parent)
+		: parent(parent), path(), bound(0.0, 0.0, 1.0, 1.0) {
+	}
+
+	~StfToGraphicsPathItems() {
+	}
+
+	bool startStroke(const QPoint& p, int, quint64) {
+		path = QPainterPath(QPointF(p));
+		return true;
+	}
+
+	bool strokePoint(const QPoint& p, int, quint64) {
+		path.lineTo(QPointF(p));
+		return true;
+	}
+
+	bool endStroke() {
+		bound |= path.boundingRect();
+		new QGraphicsPathItem(path, parent);
+		/* Parent will take the child down with him when deleted. */
+		return true;
+	}
+
+	const QRectF& boundingRect() {
+		return bound;
+	}
+};
+
+StfGraphicsItem::StfGraphicsItem(QIODevice *dev, QGraphicsItem *parent) :
+	QGraphicsItem(parent)
+{
+	setFlags(ItemHasNoContents);
+
+	StfToGraphicsPathItems h(this);
+	StfReader r;
+	r.setStrokeHandler(&h);
+	if (r.parse(dev)) {
+		bbox = h.boundingRect();
+	}
+}
+
+QRectF StfGraphicsItem::boundingRect() const
+{
+	return bbox;
+}
+
+void StfGraphicsItem::paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget *)
+{
+	/* Intentionally empty; ItemHasNoContents; children will do the painting. */
+}
+
+int StfGraphicsItem::type() const
+{
+	return Type;
+}