Add a method to write a raw "openjpeg" image to a file.

2 files changed, 17 insertions, 0 deletions

diff --git a/test/test.cc b/test/test.cc
index 02b567237..049d74676 100644
--- a/test/test.cc
+++ b/test/test.cc
@@ -1004,3 +1004,19 @@ Editor::replace(string a, string b)
 	boost::algorithm::replace_all(_content, a, b);
 	BOOST_REQUIRE(_content != old_content);
 }
+
+
+void
+write_openjpeg_image(shared_ptr<const dcp::OpenJPEGImage> image, boost::filesystem::path path)
+{
+	dcp::File output(path, "wb");
+
+	auto size = image->size();
+	output.checked_write(&size.width, sizeof(size.width));
+	output.checked_write(&size.height, sizeof(size.height));
+
+	for (int c = 0; c < 3; ++c) {
+		output.checked_write(image->data(c), size.width * size.height * sizeof(int));
+	}
+}
+
diff --git a/test/test.h b/test/test.h
index 8bcef0604..ab3e90a3a 100644
--- a/test/test.h
+++ b/test/test.h
@@ -77,6 +77,7 @@ extern void make_and_verify_dcp (std::shared_ptr<Film> film, std::vector<dcp::Ve
 extern void check_int_close (int a, int b, int d);
 extern void check_int_close (std::pair<int, int>, std::pair<int, int>, int d);
 extern boost::filesystem::path find_file (boost::filesystem::path dir, std::string filename_part);
+void write_openjpeg_image(std::shared_ptr<const dcp::OpenJPEGImage> image, boost::filesystem::path path);
 
 
 class LogSwitcher