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-rw-r--r--libdimensionxx/dimensionxx/array.hpp108
-rw-r--r--libdimensionxx/dimensionxx/geometry.hpp1
-rw-r--r--libdimensionxx/dimensionxx/object.hpp68
3 files changed, 177 insertions, 0 deletions
diff --git a/libdimensionxx/dimensionxx/array.hpp b/libdimensionxx/dimensionxx/array.hpp
new file mode 100644
index 0000000..6f8c59a
--- /dev/null
+++ b/libdimensionxx/dimensionxx/array.hpp
@@ -0,0 +1,108 @@
+/*************************************************************************
+ * Copyright (C) 2008 Tavian Barnes <tavianator@gmail.com> *
+ * *
+ * This file is part of The Dimension Library. *
+ * *
+ * The Dimension Library is free software; you can redistribute it and/ *
+ * or modify it under the terms of the GNU Lesser General Public License *
+ * as published by the Free Software Foundation; either version 3 of the *
+ * License, or (at your option) any later version. *
+ * *
+ * The Dimension Library is distributed in the hope that it will be *
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty *
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
+ * Lesser General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU Lesser General Public *
+ * License along with this program. If not, see *
+ * <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+#ifndef DIMENSIONXX_ARRAY_HPP
+#define DIMENSIONXX_ARRAY_HPP
+
+#include <tr1/memory>
+
+// dmnsn_array* wrapper.
+
+namespace Dimension
+{
+ // Array template class, wraps a dmnsn_array*. Copying is possible, but
+ // copies refer to the same object, which is reference counted. T must be
+ // a POD type.
+ template <typename T>
+ class Array
+ {
+ public:
+ Array();
+ explicit Array(dmnsn_array* array);
+ // Array(const Array& a);
+ ~Array();
+
+ // Array& operator=(const Array& a);
+
+ // Access the wrapped C object.
+ dmnsn_array* dmnsn() { return *m_array; }
+ const dmnsn_array* dmnsn() const { return *m_array; }
+
+ // Release ownership of the dmnsn_array*, needed for returning a
+ // dmnsn_array* from a function.
+ dmnsn_array* release();
+
+ private:
+ std::tr1::shared_ptr<dmnsn_array*> m_array;
+ };
+
+ // A constraint enforcing that T is a POD type by making it part of a union.
+ // Taking the address of this function will cause a compile-time failure if
+ // T is not a POD type.
+ template <typename T>
+ void
+ POD_constraint()
+ {
+ union
+ {
+ T t;
+ } constraint;
+ static_cast<void>(constraint); // Silence unused variable warning
+ }
+
+ template <typename T>
+ Array<T>::Array()
+ : m_array(new dmnsn_array*(dmnsn_new_array(sizeof(T))))
+ {
+ void (*constraint)() = &POD_constraint<T>;
+ static_cast<void>(constraint); // Silence unused variable warning
+ }
+
+ template <typename T>
+ Array<T>::Array(dmnsn_array* array)
+ : m_array(new dmnsn_array*(array))
+ {
+ void (*constraint)() = &POD_constraint<T>;
+ static_cast<void>(constraint); // Silence unused variable warning
+ }
+
+ template <typename T>
+ Array<T>::~Array()
+ {
+ if (m_array.unique()) {
+ dmnsn_delete_array(*m_array);
+ }
+ }
+
+ template <typename T>
+ dmnsn_array*
+ Array<T>::release()
+ {
+ if (!m_array.unique()) {
+ throw Dimension_Error("Attempting to release non-unique array.");
+ }
+
+ dmnsn_array* array = *m_array;
+ m_array.reset();
+ return array;
+ }
+}
+
+#endif /* DIMENSIONXX_ARRAY_HPP */
diff --git a/libdimensionxx/dimensionxx/geometry.hpp b/libdimensionxx/dimensionxx/geometry.hpp
index 63a666b..f623eda 100644
--- a/libdimensionxx/dimensionxx/geometry.hpp
+++ b/libdimensionxx/dimensionxx/geometry.hpp
@@ -104,6 +104,7 @@ namespace Dimension
Line() { }
Line(const Vector& x0, const Vector& n)
{ m_line.x0 = x0.dmnsn(); m_line.n = n.dmnsn(); }
+ explicit Line(dmnsn_line l) : m_line(l) { }
// Line(const Line& l);
// ~Line();
diff --git a/libdimensionxx/dimensionxx/object.hpp b/libdimensionxx/dimensionxx/object.hpp
new file mode 100644
index 0000000..3b2c6c1
--- /dev/null
+++ b/libdimensionxx/dimensionxx/object.hpp
@@ -0,0 +1,68 @@
+/*************************************************************************
+ * Copyright (C) 2008 Tavian Barnes <tavianator@gmail.com> *
+ * *
+ * This file is part of The Dimension Library. *
+ * *
+ * The Dimension Library is free software; you can redistribute it and/ *
+ * or modify it under the terms of the GNU Lesser General Public License *
+ * as published by the Free Software Foundation; either version 3 of the *
+ * License, or (at your option) any later version. *
+ * *
+ * The Dimension Library is distributed in the hope that it will be *
+ * useful, but WITHOUT ANY WARRANTY; without even the implied warranty *
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
+ * Lesser General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU Lesser General Public *
+ * License along with this program. If not, see *
+ * <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+#ifndef DIMENSIONXX_OBJECT_HPP
+#define DIMENSIONXX_OBJECT_HPP
+
+// dmnsn_object* wrapper.
+
+namespace Dimension
+{
+ // Abstract base object class. Wraps a dmnsn_object*.
+ class Object
+ {
+ public:
+ // No-op, made pure virtual
+ virtual ~Object() = 0;
+
+ virtual Array<double> intersections(const Line& l);
+ virtual bool inside(const Vector& point);
+
+ // Access the wrapped C object.
+ dmnsn_object* dmnsn();
+ const dmnsn_object* dmnsn() const;
+
+ protected:
+ // No-op
+ Object();
+ // Wrap an existing object.
+ explicit Object(dmnsn_object* object) : m_object(object) { }
+
+ dmnsn_object* m_object;
+
+ private:
+ // Copying prohibited
+ Object(const Object&);
+ Object& operator=(const Object&);
+ };
+
+ // A custom object abstract base class, for creating your own object types
+ class Custom_Object : public Object
+ {
+ public:
+ Custom_Object();
+ virtual ~Custom_Object();
+
+ virtual Array<double> intersections(const Line& l) = 0;
+ virtual bool inside(const Vector& point) = 0;
+ };
+}
+
+#endif /* DIMENSIONXX_OBJECT_HPP */