88 lines
3.4 KiB
C++
88 lines
3.4 KiB
C++
#include <Magick++.h>
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#include <napi.h>
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#include <list>
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using namespace std;
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using namespace Magick;
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Napi::Value Retro(const Napi::CallbackInfo &info) {
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Napi::Env env = info.Env();
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try {
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Napi::Object obj = info[0].As<Napi::Object>();
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string line1 = obj.Get("line1").As<Napi::String>().Utf8Value();
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string line2 = obj.Get("line2").As<Napi::String>().Utf8Value();
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string line3 = obj.Get("line3").As<Napi::String>().Utf8Value();
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Blob blob;
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Image image;
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Image line1_text;
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Image line2_text;
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Image line3_text;
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image.read("./assets/images/retro.png");
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line2_text.backgroundColor("none");
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line2_text.fontPointsize(128);
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line2_text.textGravity(Magick::CenterGravity);
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line2_text.font("Comic Sans MS");
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line2_text.read("pango:<span foreground='white'>" +
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(line2 == "" ? line1 : line2) + "</span>");
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line2_text.extent(Geometry("1260x859+0+0"), Magick::CenterGravity);
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Image line2_text_fill = line2_text;
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line2_text_fill.channel(Magick::AlphaChannel);
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line2_text_fill.morphology(Magick::EdgeOutMorphology, "Octagon:10");
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line2_text_fill.backgroundColor("gray");
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line2_text_fill.alphaChannel(Magick::ShapeAlphaChannel);
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line2_text.composite(line2_text_fill, Magick::CenterGravity,
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Magick::DstOverCompositeOp);
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image.composite(line2_text, Geometry("+0-100"), Magick::OverCompositeOp);
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if (line2 != "") {
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line1_text.backgroundColor("none");
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line1_text.fontPointsize(64);
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line1_text.textGravity(Magick::CenterGravity);
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line1_text.font("Comic Sans MS");
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line1_text.read("pango:<span foreground='white'>" + line1 + "</span>");
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line1_text.extent(Geometry("1260x859+0+0"), Magick::CenterGravity);
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Image line1_text_fill = line1_text;
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line1_text_fill.channel(Magick::AlphaChannel);
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line1_text_fill.morphology(Magick::EdgeOutMorphology, "Octagon:10");
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line1_text_fill.backgroundColor("gray");
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line1_text_fill.alphaChannel(Magick::ShapeAlphaChannel);
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line1_text.composite(line1_text_fill, Magick::CenterGravity,
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Magick::DstOverCompositeOp);
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image.composite(line1_text, Geometry("+0-250"), Magick::OverCompositeOp);
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}
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if (line3 != "") {
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line3_text.backgroundColor("none");
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line3_text.fontPointsize(64);
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line3_text.textGravity(Magick::CenterGravity);
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line3_text.font("Comic Sans MS");
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line3_text.read("pango:<span foreground='white'>" + line3 + "</span>");
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line3_text.extent(Geometry("1260x859+0+0"), Magick::CenterGravity);
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Image line3_text_fill = line3_text;
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line3_text_fill.channel(Magick::AlphaChannel);
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line3_text_fill.morphology(Magick::EdgeOutMorphology, "Octagon:10");
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line3_text_fill.backgroundColor("gray");
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line3_text_fill.alphaChannel(Magick::ShapeAlphaChannel);
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line3_text.composite(line3_text_fill, Magick::CenterGravity,
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Magick::DstOverCompositeOp);
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image.composite(line3_text, Geometry("+0+50"), Magick::OverCompositeOp);
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}
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image.magick("PNG");
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image.write(&blob);
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Napi::Object result = Napi::Object::New(env);
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result.Set("data", Napi::Buffer<char>::Copy(env, (char *)blob.data(),
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blob.length()));
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result.Set("type", "png");
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return result;
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} catch (std::exception const &err) {
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throw Napi::Error::New(env, err.what());
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}
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} |