99 lines
No EOL
3.3 KiB
C++
99 lines
No EOL
3.3 KiB
C++
#include <napi.h>
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#include <list>
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#include <Magick++.h>
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using namespace std;
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using namespace Magick;
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class MotivateWorker : public Napi::AsyncWorker {
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public:
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MotivateWorker(Napi::Function& callback, string in_path, string top_text, string bottom_text, string type, int delay)
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: Napi::AsyncWorker(callback), in_path(in_path), top_text(top_text), bottom_text(bottom_text), type(type), delay(delay) {}
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~MotivateWorker() {}
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void Execute() {
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list <Image> frames;
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list <Image> coalesced;
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list <Image> mid;
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Image top;
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Image bottom;
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readImages(&frames, in_path);
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coalesceImages(&coalesced, frames.begin(), frames.end());
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top.size(Geometry("600"));
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top.backgroundColor("black");
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top.font("Times");
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top.textGravity(Magick::CenterGravity);
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top.fontPointsize(56);
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top.read("pango:<span foreground='white'>" + top_text + "</span>");
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top.extent(Geometry(bottom_text != "" ? to_string(top.columns()) + "x" + to_string(top.rows()) : to_string(top.columns()) + "x" + to_string(top.rows() + 20)), "black", Magick::NorthGravity);
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if (bottom_text != "") {
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bottom.size(Geometry("600"));
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bottom.backgroundColor("black");
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bottom.font("Times");
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bottom.textGravity(Magick::CenterGravity);
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bottom.fontPointsize(28);
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bottom.read("pango:<span foreground='white'>" + bottom_text + "</span>");
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bottom.extent(Geometry(to_string(bottom.columns()) + "x" + to_string(bottom.rows() + 20)), "black", Magick::NorthGravity);
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}
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for (Image &image : coalesced) {
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Image final;
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image.scale(Geometry(500, 500));
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image.borderColor("black");
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image.border(Geometry(5, 5));
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image.borderColor("white");
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image.border(Geometry(3, 3));
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image.backgroundColor("black");
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image.extent(Geometry(600, image.rows() + 50), Magick::CenterGravity);
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list <Image> to_append;
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to_append.push_back(image);
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to_append.push_back(top);
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if (bottom_text != "") to_append.push_back(bottom);
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appendImages(&final, to_append.begin(), to_append.end(), true);
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final.repage();
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final.magick(type);
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final.animationDelay(delay == 0 ? image.animationDelay() : delay);
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mid.push_back(final);
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}
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optimizeTransparency(mid.begin(), mid.end());
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if (type == "gif") {
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for (Image &image : mid) {
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image.quantizeDither(false);
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image.quantize();
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}
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}
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writeImages(mid.begin(), mid.end(), &blob);
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}
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void OnOK() {
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Callback().Call({Env().Undefined(), Napi::Buffer<char>::Copy(Env(), (char *)blob.data(), blob.length())});
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}
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private:
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string in_path, type, top_text, bottom_text;
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int delay;
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Blob blob;
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};
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Napi::Value Motivate(const Napi::CallbackInfo &info)
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{
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Napi::Env env = info.Env();
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Napi::Object obj = info[0].As<Napi::Object>();
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Napi::Function cb = info[1].As<Napi::Function>();
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string path = obj.Get("path").As<Napi::String>().Utf8Value();
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string top = obj.Get("top").As<Napi::String>().Utf8Value();
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string bottom = obj.Get("bottom").As<Napi::String>().Utf8Value();
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string type = obj.Get("type").As<Napi::String>().Utf8Value();
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int delay = obj.Has("delay") ? obj.Get("delay").As<Napi::Number>().Int32Value() : 0;
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MotivateWorker* blurWorker = new MotivateWorker(cb, path, top, bottom, type, delay);
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blurWorker->Queue();
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return env.Undefined();
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} |