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-rw-r--r--libdimension/tests/Makefile.am3
-rw-r--r--libdimension/tests/gl.c4
-rw-r--r--libdimension/tests/png.c4
-rw-r--r--libdimension/tests/test_canvas.c56
-rw-r--r--libdimension/tests/tests.h7
5 files changed, 68 insertions, 6 deletions
diff --git a/libdimension/tests/Makefile.am b/libdimension/tests/Makefile.am
index 265c51a..eec2e9d 100644
--- a/libdimension/tests/Makefile.am
+++ b/libdimension/tests/Makefile.am
@@ -40,7 +40,8 @@ if !GL
XFAIL_TESTS += gl.test
endif
-libdimension_tests_la_SOURCES = tests.h
+libdimension_tests_la_SOURCES = test_canvas.c \
+ tests.h
libdimension_tests_la_LIBADD = $(top_builddir)/libdimension/libdimension.la
if GLX
diff --git a/libdimension/tests/gl.c b/libdimension/tests/gl.c
index c71822c..52b3256 100644
--- a/libdimension/tests/gl.c
+++ b/libdimension/tests/gl.c
@@ -36,8 +36,8 @@ main(void)
return EXIT_FAILURE;
}
- /* Paint the canvas blue */
- dmnsn_clear_canvas(canvas, dmnsn_blue);
+ /* Paint the test pattern */
+ dmnsn_paint_test_canvas(canvas);
/* Create a new glX display */
dmnsn_display *display = dmnsn_new_display(canvas);
diff --git a/libdimension/tests/png.c b/libdimension/tests/png.c
index 328ee36..1bd418f 100644
--- a/libdimension/tests/png.c
+++ b/libdimension/tests/png.c
@@ -37,8 +37,8 @@ main(void)
return EXIT_FAILURE;
}
- /* Paint the canvas blue */
- dmnsn_clear_canvas(canvas, dmnsn_blue);
+ /* Paint the test pattern */
+ dmnsn_paint_test_canvas(canvas);
/* Write the image to PNG */
diff --git a/libdimension/tests/test_canvas.c b/libdimension/tests/test_canvas.c
new file mode 100644
index 0000000..b5d02ad
--- /dev/null
+++ b/libdimension/tests/test_canvas.c
@@ -0,0 +1,56 @@
+/*************************************************************************
+ * Copyright (C) 2011 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"
+
+void
+dmnsn_paint_test_canvas(dmnsn_canvas *canvas)
+{
+ static const size_t size = 8;
+
+ for (size_t y = 0; y < canvas->height; ++y) {
+ for (size_t x = 0; x < canvas->width; ++x) {
+ dmnsn_color a, b;
+ double n = 3.0*x/canvas->width;
+ if (x < canvas->width/3) {
+ a = dmnsn_red;
+ b = dmnsn_green;
+ } else if (x < 2*canvas->width/3) {
+ a = dmnsn_green;
+ b = dmnsn_blue;
+ n -= 1.0;
+ } else {
+ a = dmnsn_blue;
+ b = dmnsn_red;
+ n -= 2.0;
+ }
+
+ if ((x*y)%(2*size) < size) {
+ a = dmnsn_color_to_sRGB(a);
+ b = dmnsn_color_to_sRGB(b);
+ }
+ dmnsn_color color = dmnsn_color_gradient(a, b, n);
+ if ((x*y)%(2*size) < size) {
+ color = dmnsn_color_from_sRGB(color);
+ }
+
+ dmnsn_set_pixel(canvas, x, y, color);
+ }
+ }
+}
diff --git a/libdimension/tests/tests.h b/libdimension/tests/tests.h
index d61e442..38d9107 100644
--- a/libdimension/tests/tests.h
+++ b/libdimension/tests/tests.h
@@ -1,5 +1,5 @@
/*************************************************************************
- * Copyright (C) 2009-2010 Tavian Barnes <tavianator@tavianator.com> *
+ * Copyright (C) 2009-2011 Tavian Barnes <tavianator@tavianator.com> *
* *
* This file is part of The Dimension Test Suite. *
* *
@@ -28,6 +28,11 @@ extern "C" {
#endif
/*
+ * Test canvas
+ */
+void dmnsn_paint_test_canvas(dmnsn_canvas *canvas);
+
+/*
* Windowing
*/