mrmBot-Matrix/natives/explode.cc

58 lines
No EOL
1.4 KiB
C++

#include "common.h"
#include <Magick++.h>
#include <cstring>
#include <iostream>
#include <list>
#include <map>
#include <string>
using namespace std;
using namespace Magick;
char *Explode(string type, char *BufferData, size_t BufferLength,
ArgumentMap Arguments, size_t *DataSize) {
int amount = GetArgument<int>(Arguments, "amount");
int delay = GetArgumentWithFallback<int>(Arguments, "delay", 0);
Blob blob;
list<Image> frames;
list<Image> coalesced;
list<Image> blurred;
try {
readImages(&frames, Blob(BufferData, BufferLength));
} catch (Magick::WarningCoder &warning) {
cerr << "Coder Warning: " << warning.what() << endl;
} catch (Magick::Warning &warning) {
cerr << "Warning: " << warning.what() << endl;
}
coalesceImages(&coalesced, frames.begin(), frames.end());
for (Image &image : coalesced) {
image.implode(amount);
image.magick(type);
blurred.push_back(image);
}
optimizeTransparency(blurred.begin(), blurred.end());
if (type == "gif") {
for (Image &image : blurred) {
image.quantizeDither(false);
image.quantize();
if (delay != 0) image.animationDelay(delay);
}
}
writeImages(blurred.begin(), blurred.end(), &blob);
*DataSize = blob.length();
// workaround because the data is tied to the blob
char *data = (char *)malloc(*DataSize);
memcpy(data, blob.data(), *DataSize);
return data;
}