Support all image formats offered by libgd

This commit is contained in:
sfan5 2018-03-24 14:16:30 +01:00
parent b16f93f183
commit 75599e8569

@ -103,12 +103,9 @@ void Image::drawCircle(int x, int y, int diameter, const Color &c)
void Image::save(const std::string &filename)
{
FILE *f = fopen(filename.c_str(), "wb");
if(!f) {
std::ostringstream oss;
oss << "Error writing image file: " << std::strerror(errno);
throw std::runtime_error(oss.str());
}
gdImagePng(m_image, f); // other formats?
fclose(f);
const char *f = filename.c_str();
if (gdSupportsFileType(f, 1) == GD_FALSE)
throw std::runtime_error("Image format not supported by gd");
if (gdImageFile(m_image, f) == GD_FALSE)
throw std::runtime_error("Error saving image");
}