mrmBot-Matrix/natives/scott.cc

64 lines
No EOL
1.9 KiB
C++

#include <Magick++.h>
#include <cstring>
#include <iostream>
#include <list>
#include "common.h"
using namespace std;
using namespace Magick;
char *Scott(string *type, char *BufferData, size_t BufferLength,
ArgumentMap Arguments, size_t *DataSize) {
string basePath = GetArgument<string>(Arguments, "basePath");
Blob blob;
list<Image> frames;
list<Image> coalesced;
list<Image> mid;
Image watermark;
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;
}
watermark.read(basePath + "assets/images/scott.png");
coalesceImages(&coalesced, frames.begin(), frames.end());
for (Image &image : coalesced) {
Image watermark_new = watermark;
image.virtualPixelMethod(Magick::TransparentVirtualPixelMethod);
image.backgroundColor("none");
image.scale(Geometry("415x234!"));
double arguments[16] = {0, 0, 129, 187, 415, 0, 517, 182,
415, 234, 517, 465, 0, 234, 132, 418};
image.distort(Magick::PerspectiveDistortion, 16, arguments, true);
image.extent(Geometry("864x481"), Magick::CenterGravity);
watermark_new.composite(image, Geometry("-110+83"),
Magick::OverCompositeOp);
watermark_new.magick(*type);
watermark_new.animationDelay(image.animationDelay());
mid.push_back(watermark_new);
}
optimizeTransparency(mid.begin(), mid.end());
if (*type == "gif") {
for (Image &image : mid) {
image.quantizeDitherMethod(FloydSteinbergDitherMethod);
image.quantize();
}
}
writeImages(mid.begin(), mid.end(), &blob);
*DataSize = blob.length();
char *data = (char *)malloc(*DataSize);
memcpy(data, blob.data(), *DataSize);
return data;
}