bool Frame::write_image(
const char* file_path,
const Image& image,
const ImageAttributes& image_attributes) const
{
assert(file_path);
Image final_image(image);
transform_to_output_color_space(final_image);
Stopwatch<DefaultWallclockTimer> stopwatch;
stopwatch.start();
try
{
try
{
GenericImageFileWriter writer;
writer.write(file_path, final_image, image_attributes);
}
catch (const ExceptionUnsupportedFileFormat&)
{
const string extension = lower_case(filesystem::path(file_path).extension());
RENDERER_LOG_ERROR(
"file format '%s' not supported, writing the image in OpenEXR format "
"(but keeping the filename unmodified).",
extension.c_str());
EXRImageFileWriter writer;
writer.write(file_path, final_image, image_attributes);
}
}
catch (const ExceptionIOError&)
{
RENDERER_LOG_ERROR(
"failed to write image file %s: i/o error.",
file_path);
return false;
}
catch (const Exception& e)
{
RENDERER_LOG_ERROR(
"failed to write image file %s: %s.",
file_path,
e.what());
return false;
}
stopwatch.measure();
RENDERER_LOG_INFO(
"wrote image file %s in %s.",
file_path,
pretty_time(stopwatch.get_seconds()).c_str());
return true;
}
void GenericImageFileWriter::write(
const char* filename,
const ICanvas& image,
const ImageAttributes& image_attributes)
{
const bf::path filepath(filename);
const string extension = lower_case(filepath.extension().string());
if (extension == ".exr")
{
EXRImageFileWriter writer;
writer.write(filename, image, image_attributes);
}
else if (extension == ".png")
{
PNGImageFileWriter writer;
writer.write(filename, image, image_attributes);
}
else
{
throw ExceptionUnsupportedFileFormat(filename);
}
}