mrmBot-Matrix/natives/blur.cc

31 lines
905 B
C++

#include <map>
#include <string>
#include <vips/vips8>
#include "common.h"
using namespace std;
using namespace vips;
char *Blur(string *type, char *BufferData, size_t BufferLength,
ArgumentMap Arguments, size_t *DataSize) {
bool sharp = GetArgument<bool>(Arguments, "sharp");
VOption *options = VImage::option()->set("access", "sequential");
VImage in =
VImage::new_from_buffer(BufferData, BufferLength, "",
*type == "gif" ? options->set("n", -1) : options)
.colourspace(VIPS_INTERPRETATION_sRGB);
if (!in.has_alpha()) in = in.bandjoin(255);
// TODO: find a better way to calculate the intensity for GIFs without
// splitting frames
VImage out =
sharp ? in.sharpen(VImage::option()->set("sigma", 3)) : in.gaussblur(15);
void *buf;
out.write_to_buffer(("." + *type).c_str(), &buf, DataSize);
return (char *)buf;
}