mrmBot-Matrix/natives/togif.cc

28 lines
No EOL
704 B
C++

#include <vips/vips8>
#include "common.h"
using namespace std;
using namespace vips;
char *ToGif(string *type, char *BufferData, size_t BufferLength,
ArgumentMap Arguments, size_t *DataSize) {
if (*type == "gif") {
*DataSize = BufferLength;
char *data = (char *)malloc(BufferLength);
memcpy(data, BufferData, BufferLength);
return data;
} else {
VOption *options = VImage::option()->set("access", "sequential");
VImage in = VImage::new_from_buffer(
BufferData, BufferLength, "",
*type == "webp" ? options->set("n", -1) : options);
void *buf;
in.write_to_buffer(".gif", &buf, DataSize);
*type = "gif";
return (char *)buf;
}
}