1 files changed, 61 insertions, 0 deletions
diff --git a/src/libnr/n-art-bpath.h b/src/libnr/n-art-bpath.h
new file mode 100644
index 000000000..abce499e0
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+++ b/src/libnr/n-art-bpath.h
@@ -0,0 +1,61 @@
+#ifndef SEEN_LIBNR_N_ART_BPATH_H
+#define SEEN_LIBNR_N_ART_BPATH_H
+
+/** \file
+ * NArtBpath: old-style path segment.
+ */
+
+#include "libnr/nr-point.h"
+#include "libnr/nr-path-code.h"
+
+/**
+ * Old-style path segment.
+ *
+ * Arrays of paths segment start with a MOVETO or MOVETO_OPEN segment
+ * where the former indicates the beginning of a closed subpath.
+ * \see subpath_from_bpath()
+ */
+class NArtBpath {
+public:
+    NRPathcode code; ///< Type of segment
+    double x1, y1;   ///< Position of control point in case of NR_CURVETO
+    double x2, y2;   ///< Position of control point in case of NR_CURVETO
+    double x3, y3;   ///< Position of next point
+
+    /// Convert i-th position data pair to Point object
+    /// \pre 1 <= i <= 3
+    NR::Point c(unsigned const i) const {
+        switch (i) {
+            case 1: return NR::Point(x1, y1);
+            case 2: return NR::Point(x2, y2);
+            case 3: return NR::Point(x3, y3);
+            default: abort();
+        }
+    }
+
+    /// Set i-th position data pair from Point
+    /// \pre 1 <= i <= 3
+    void setC(unsigned const i, NR::Point const &p) {
+        using NR::X; using NR::Y;
+        switch (i) {
+            case 1: x1 = p[X]; y1 = p[Y]; break;
+            case 2: x2 = p[X]; y2 = p[Y]; break;
+            case 3: x3 = p[X]; y3 = p[Y]; break;
+            default: abort();
+        }
+    }
+};
+
+
+#endif /* !SEEN_LIBNR_N_ART_BPATH_H */
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :