aboutsummaryrefslogtreecommitdiffstats
path: root/rtgrpblib_reset_raster.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--rtgrpblib_reset_raster.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/rtgrpblib_reset_raster.c b/rtgrpblib_reset_raster.c
new file mode 100644
index 0000000..2cfef42
--- /dev/null
+++ b/rtgrpblib_reset_raster.c
@@ -0,0 +1,29 @@
+/* See LICENSE file for copyright and license details. */
+#include "common.h"
+#ifndef TEST
+
+
+int
+rtgrpblib_reset_raster(RASTER *raster, size_t width, size_t height)
+{
+ if (!width || !height || width > raster->width * raster->height / height) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ raster->width = width;
+ raster->height = height;
+ memset(raster->cells, 0, width * height * sizeof(*raster->cells));
+ return 0;
+}
+
+
+#else
+
+int
+main(void)
+{
+ return 0; /* TODO add test */
+}
+
+#endif