1 files changed, 62 insertions, 0 deletions
diff --git a/libdimension/pigment.c b/libdimension/pigment.c
new file mode 100644
index 0000000..2ca1e2e
--- /dev/null
+++ b/libdimension/pigment.c
@@ -0,0 +1,62 @@
+/*************************************************************************
+ * Copyright (C) 2009-2010 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/>.                                       *
+ *************************************************************************/
+
+/**
+ * @file
+ * Pigments.
+ */
+
+#include "dimension.h"
+
+/* Allocate a dummy pigment */
+dmnsn_pigment *
+dmnsn_new_pigment(void)
+{
+  dmnsn_pigment *pigment = dmnsn_malloc(sizeof(dmnsn_pigment));
+  pigment->pigment_fn    = NULL;
+  pigment->initialize_fn = NULL;
+  pigment->free_fn       = NULL;
+  pigment->trans         = dmnsn_identity_matrix();
+  pigment->quick_color   = dmnsn_black;
+  return pigment;
+}
+
+/* Free a pigment */
+void
+dmnsn_delete_pigment(dmnsn_pigment *pigment)
+{
+  if (pigment) {
+    if (pigment->free_fn) {
+      (*pigment->free_fn)(pigment->ptr);
+    }
+    dmnsn_free(pigment);
+  }
+}
+
+/* Precompute pigment properties */
+void
+dmnsn_initialize_pigment(dmnsn_pigment *pigment)
+{
+  if (pigment->initialize_fn) {
+    (*pigment->initialize_fn)(pigment);
+  }
+
+  pigment->trans_inv = dmnsn_matrix_inverse(pigment->trans);
+}