summaryrefslogtreecommitdiffstats
path: root/libdimension/pigment.c
diff options
context:
space:
mode:
Diffstat (limited to 'libdimension/pigment.c')
-rw-r--r--libdimension/pigment.c62
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);
+}