Begin dmnsn_texture* type.

1 files changed, 64 insertions, 0 deletions

diff --git a/libdimension/pigments.c b/libdimension/pigments.c
new file mode 100644
index 0000000..3b417f6
--- /dev/null
+++ b/libdimension/pigments.c
@@ -0,0 +1,64 @@
+/*************************************************************************
+ * Copyright (C) 2009 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/>.                                       *
+ *************************************************************************/
+
+#include "dimension.h"
+#include <stdlib.h> /* For malloc */
+
+/* Solid color pigment callback */
+static dmnsn_color dmnsn_solid_pigment_fn(const dmnsn_pigment *pigment,
+                                          dmnsn_vector v);
+
+/* Create a solid color */
+dmnsn_pigment *
+dmnsn_new_solid_pigment(dmnsn_color color)
+{
+  dmnsn_color *solid;
+  dmnsn_pigment *pigment = dmnsn_new_pigment();
+  if (pigment) {
+    solid = malloc(sizeof(dmnsn_color));
+    if (!solid) {
+      dmnsn_delete_pigment(pigment);
+      return NULL;
+    }
+    *solid = color;
+
+    pigment->pigment_fn = &dmnsn_solid_pigment_fn;
+    pigment->ptr        = solid;
+  }
+
+  return pigment;
+}
+
+/* Destroy a solid color */
+void dmnsn_delete_solid_pigment(dmnsn_pigment *pigment)
+{
+  if (pigment) {
+    free(pigment->ptr);
+    dmnsn_delete_pigment(pigment);
+  }
+}
+
+/* Solid color callback */
+static dmnsn_color
+dmnsn_solid_pigment_fn(const dmnsn_pigment *pigment, dmnsn_vector v)
+{
+  dmnsn_color *color = pigment->ptr;
+  return *color;
+}