+/*
+ Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+
+ This program 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 2 of the License, or
+ (at your option) any later version.
+
+ This program 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, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include <boost/test/unit_test.hpp>
+#include "lib/image.h"
+#include "lib/scaler.h"
+
+using boost::shared_ptr;
BOOST_AUTO_TEST_CASE (aligned_image_test)
{
- SimpleImage* s = new SimpleImage (PIX_FMT_RGB24, libdcp::Size (50, 50), true);
+ Image* s = new Image (PIX_FMT_RGB24, libdcp::Size (50, 50), true);
BOOST_CHECK_EQUAL (s->components(), 1);
/* 160 is 150 aligned to the nearest 32 bytes */
BOOST_CHECK_EQUAL (s->stride()[0], 160);
BOOST_CHECK (!s->data()[3]);
/* copy constructor */
- SimpleImage* t = new SimpleImage (*s);
+ Image* t = new Image (*s);
BOOST_CHECK_EQUAL (t->components(), 1);
BOOST_CHECK_EQUAL (t->stride()[0], 160);
BOOST_CHECK_EQUAL (t->line_size()[0], 150);
BOOST_CHECK (t->stride()[0] == s->stride()[0]);
/* assignment operator */
- SimpleImage* u = new SimpleImage (PIX_FMT_YUV422P, libdcp::Size (150, 150), false);
+ Image* u = new Image (PIX_FMT_YUV422P, libdcp::Size (150, 150), false);
*u = *s;
BOOST_CHECK_EQUAL (u->components(), 1);
BOOST_CHECK_EQUAL (u->stride()[0], 160);
BOOST_AUTO_TEST_CASE (compact_image_test)
{
- SimpleImage* s = new SimpleImage (PIX_FMT_RGB24, libdcp::Size (50, 50), false);
+ Image* s = new Image (PIX_FMT_RGB24, libdcp::Size (50, 50), false);
BOOST_CHECK_EQUAL (s->components(), 1);
BOOST_CHECK_EQUAL (s->stride()[0], 50 * 3);
BOOST_CHECK_EQUAL (s->line_size()[0], 50 * 3);
BOOST_CHECK (!s->data()[3]);
/* copy constructor */
- SimpleImage* t = new SimpleImage (*s);
+ Image* t = new Image (*s);
BOOST_CHECK_EQUAL (t->components(), 1);
BOOST_CHECK_EQUAL (t->stride()[0], 50 * 3);
BOOST_CHECK_EQUAL (t->line_size()[0], 50 * 3);
BOOST_CHECK (t->stride()[0] == s->stride()[0]);
/* assignment operator */
- SimpleImage* u = new SimpleImage (PIX_FMT_YUV422P, libdcp::Size (150, 150), true);
+ Image* u = new Image (PIX_FMT_YUV422P, libdcp::Size (150, 150), true);
*u = *s;
BOOST_CHECK_EQUAL (u->components(), 1);
BOOST_CHECK_EQUAL (u->stride()[0], 50 * 3);
delete t;
delete u;
}
+
+BOOST_AUTO_TEST_CASE (crop_image_test)
+{
+ /* This was to check out a bug with valgrind, and is probably not very useful */
+ shared_ptr<Image> image (new Image (PIX_FMT_YUV420P, libdcp::Size (16, 16), true));
+ image->make_black ();
+ Crop crop;
+ crop.top = 3;
+ image->crop (crop, false);
+}
+
+/* Test cropping of a YUV 4:2:0 image by 1 pixel, which used to fail because
+ the U/V copying was not rounded up to the next sample.
+*/
+BOOST_AUTO_TEST_CASE (crop_image_test2)
+{
+ /* Here's a 1998 x 1080 image which is black */
+ shared_ptr<Image> image (new Image (PIX_FMT_YUV420P, libdcp::Size (1998, 1080), true));
+ image->make_black ();
+
+ /* Crop it by 1 pixel */
+ Crop crop;
+ crop.left = 1;
+ image = image->crop (crop, true);
+
+ /* Convert it back to RGB to make comparison to black easier */
+ image = image->scale (image->size(), Scaler::from_id ("bicubic"), PIX_FMT_RGB24, true);
+
+ /* Check that its still black after the crop */
+ uint8_t* p = image->data()[0];
+ for (int y = 0; y < image->size().height; ++y) {
+ uint8_t* q = p;
+ for (int x = 0; x < image->size().width; ++x) {
+ BOOST_CHECK_EQUAL (*q++, 0);
+ BOOST_CHECK_EQUAL (*q++, 0);
+ BOOST_CHECK_EQUAL (*q++, 0);
+ }
+ p += image->stride()[0];
+ }
+}