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authorTavian Barnes <tavianator@tavianator.com>2014-08-19 17:49:02 -0400
committerTavian Barnes <tavianator@tavianator.com>2015-10-25 11:03:56 -0400
commitda47b2858f6e64ec60dce218544647df32b49077 (patch)
tree6c40604dbf113e6b8e0a86bab9aebbe510118045 /libdimension/tests/canvas/png.c
parent654b98bafec4845e5d4af39cda58a2a1aa293d32 (diff)
downloaddimension-da47b2858f6e64ec60dce218544647df32b49077.tar.xz
libdimension: Modularize tests.
Diffstat (limited to 'libdimension/tests/canvas/png.c')
-rw-r--r--libdimension/tests/canvas/png.c111
1 files changed, 111 insertions, 0 deletions
diff --git a/libdimension/tests/canvas/png.c b/libdimension/tests/canvas/png.c
new file mode 100644
index 0000000..7311e43
--- /dev/null
+++ b/libdimension/tests/canvas/png.c
@@ -0,0 +1,111 @@
+/*************************************************************************
+ * Copyright (C) 2009-2014 Tavian Barnes <tavianator@tavianator.com> *
+ * *
+ * This file is part of The Dimension Test Suite. *
+ * *
+ * The Dimension Test Suite is free software; you can redistribute it *
+ * and/or modify it under the terms of the GNU 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 Test Suite 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 *
+ * General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. *
+ *************************************************************************/
+
+#include "tests.h"
+#include <stdlib.h>
+#include <stdio.h>
+
+int
+main(void)
+{
+ int ret = EXIT_SUCCESS;
+
+ // Treat warnings as errors for tests
+ dmnsn_die_on_warnings(true);
+
+ // Allocate our canvas
+ dmnsn_pool *pool = dmnsn_new_pool();
+ dmnsn_canvas *canvas = dmnsn_new_canvas(pool, 768, 480);
+
+ // Optimize the canvas for PNG export
+ if (dmnsn_png_optimize_canvas(pool, canvas) != 0) {
+ fprintf(stderr, "--- Couldn't optimize canvas for PNG! ---\n");
+ ret = EXIT_FAILURE;
+ goto exit;
+ }
+
+ // Paint the test pattern
+ dmnsn_paint_test_canvas(canvas);
+
+ // Write the image to PNG
+
+ printf("Writing scene to PNG\n");
+ FILE *ofile = fopen("png1.png", "wb");
+ if (!ofile) {
+ fprintf(stderr, "--- Couldn't open 'png1.png' for writing! ---\n");
+ ret = EXIT_FAILURE;
+ goto exit;
+ }
+
+ if (dmnsn_png_write_canvas(canvas, ofile) != 0) {
+ fprintf(stderr, "--- Writing canvas to PNG failed! ---\n");
+ fclose(ofile);
+ ret = EXIT_FAILURE;
+ goto exit;
+ }
+
+ fclose(ofile);
+
+ /*
+ * Now test PNG import/export
+ */
+
+ // Read the image back from PNG
+
+ printf("Reading scene from PNG\n");
+ FILE *ifile = fopen("png1.png", "rb");
+ if (!ifile) {
+ fprintf(stderr, "--- Couldn't open 'png1.png' for reading! ---\n");
+ ret = EXIT_FAILURE;
+ goto exit;
+ }
+
+ canvas = dmnsn_png_read_canvas(pool, ifile);
+ if (!canvas) {
+ fprintf(stderr, "--- Reading canvas from PNG failed! ---\n");
+ fclose(ifile);
+ ret = EXIT_FAILURE;
+ goto exit;
+ }
+
+ fclose(ifile);
+
+ // And write it back
+
+ printf("Writing scene to PNG\n");
+ ofile = fopen("png2.png", "wb");
+ if (!ofile) {
+ fprintf(stderr, "--- Couldn't open 'png2.png' for writing! ---\n");
+ ret = EXIT_FAILURE;
+ goto exit;
+ }
+
+ if (dmnsn_png_write_canvas(canvas, ofile) != 0) {
+ fprintf(stderr, "--- Writing canvas to PNG failed! ---\n");
+ fclose(ofile);
+ ret = EXIT_FAILURE;
+ goto exit;
+ }
+
+ fclose(ofile);
+
+ exit:
+ dmnsn_delete_pool(pool);
+ return ret;
+}