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Port scott, update packages

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Essem 2023-03-10 13:05:21 -06:00
parent d36ff74326
commit a77dc5acf9
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4 changed files with 55 additions and 64 deletions
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natives/scott.cc
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@ -1,64 +1,55 @@
#include <Magick++.h>
#include <cstring>
#include <iostream>
#include <list>
#include <vips/vips8>
#include "common.h"
using namespace std;
using namespace Magick;
using namespace vips;
char *Scott(string type, string *outType, char *BufferData, size_t BufferLength,
ArgumentMap Arguments, size_t *DataSize) {
string basePath = GetArgument<string>(Arguments, "basePath");
Blob blob;
VOption *options = VImage::option()->set("access", "sequential");
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;
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);
int width = in.width();
int pageHeight = vips_image_get_page_height(in.get_image());
int nPages = vips_image_get_n_pages(in.get_image());
string assetPath = basePath + "assets/images/scott.png";
VImage bg = VImage::new_from_file(assetPath.c_str());
string distortPath = basePath + "assets/images/scottmap.png";
VImage distort = VImage::new_from_file(distortPath.c_str());
VImage distortImage =
((distort[1] / 255) * 414).bandjoin((distort[0] / 255) * 233);
vector<VImage> img;
for (int i = 0; i < nPages; i++) {
VImage img_frame =
type == "gif" ? in.crop(0, i * pageHeight, width, pageHeight) : in;
VImage resized = img_frame.resize(
415 / (double)width,
VImage::option()->set("vscale", 234 / (double)pageHeight));
VImage mapped = resized.mapim(distortImage)
.extract_band(0, VImage::option()->set("n", 3))
.bandjoin(distort[2]);
VImage offset = mapped.embed(127, 181, 864, 481);
VImage composited = bg.composite2(offset, VIPS_BLEND_MODE_OVER);
img.push_back(composited);
}
watermark.read(basePath + "assets/images/scott.png");
coalesceImages(&coalesced, frames.begin(), frames.end());
VImage final = VImage::arrayjoin(img, VImage::option()->set("across", 1));
final.set(VIPS_META_PAGE_HEIGHT, 481);
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(*outType);
watermark_new.animationDelay(image.animationDelay());
mid.push_back(watermark_new);
}
optimizeTransparency(mid.begin(), mid.end());
if (*outType == "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;
void *buf;
final.write_to_buffer(
("." + *outType).c_str(), &buf, DataSize,
*outType == "gif" ? VImage::option()->set("dither", 1) : 0);
return (char *)buf;
}