1 files changed, 38 insertions, 0 deletions
diff --git a/rtgrpblib_fill_shapes.c b/rtgrpblib_fill_shapes.c
new file mode 100644
index 0000000..285a1fd
--- /dev/null
+++ b/rtgrpblib_fill_shapes.c
@@ -0,0 +1,38 @@
+/* See LICENSE file for copyright and license details. */
+#include "common.h"
+#ifndef TEST
+
+
+void
+rtgrpblib_fill_shapes(double *restrict image, size_t rowsize, const RASTER *raster)
+{
+	const CELL *cells = raster->cells;
+	double inklevel;
+	size_t x, y;
+
+#ifndef ROWWISE_RESET_INKLEVEL
+	inklevel = 0;
+#endif
+	for (y = 0; y < raster->height; y++) {
+#ifdef ROWWISE_RESET_INKLEVEL
+		inklevel = 0;
+#endif
+		for (x = 0; x < raster->width; x++) {
+			image[x] = fmin(fabs(inklevel + cells[x].cell_coverage), 1.0);
+			inklevel += cells[x].opposite_coverage;
+		}
+		image = &image[rowsize];
+		cells = &cells[raster->width];
+	}
+}
+
+
+#else
+
+int
+main(void)
+{
+	return 0; /* TODO add test */
+}
+
+#endif