Re-add support for outdated libgd

minetest · Mar 24, 2018 · c11d2aa · c11d2aa
1 parent 7c71138
commit c11d2aa
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/Image.cpp b/Image.cpp
@@ -104,8 +104,19 @@ void Image::drawCircle(int x, int y, int diameter, const Color &c)
 void Image::save(const std::string &filename)
 {
 	const char *f = filename.c_str();
+#if (GD_MAJOR_VERSION == 2 && GD_MINOR_VERSION >= 1) || GD_MAJOR_VERSION > 2
 	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");
+#else
+	FILE *file = fopen(f, "wb");
+	if(!file) {
+		std::ostringstream oss;
+		oss << "Error writing image file: " << std::strerror(errno);
+		throw std::runtime_error(oss.str());
+	}
+	gdImagePng(m_image, file);
+	fclose(file);
+#endif
 }