* natve code reworking * Whoops * remove old code * Make gc callback instead of do thing that causes segfault
50 lines
1.7 KiB
C++
50 lines
1.7 KiB
C++
#include <napi.h>
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#include <vips/vips8>
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using namespace std;
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using namespace vips;
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Napi::Value Sonic(const Napi::CallbackInfo &info) {
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Napi::Env env = info.Env();
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Napi::Object result = Napi::Object::New(env);
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try {
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Napi::Object obj = info[1].As<Napi::Object>();
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string text = obj.Get("text").As<Napi::String>().Utf8Value();
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string basePath = obj.Get("basePath").As<Napi::String>().Utf8Value();
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string assetPath = basePath + "assets/images/sonic.jpg";
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VImage bg = VImage::new_from_file(assetPath.c_str());
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VImage textImage =
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VImage::text(("<span foreground=\"white\">" + text + "</span>").c_str(),
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VImage::option()
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->set("rgba", true)
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->set("align", VIPS_ALIGN_CENTRE)
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->set("font", "Verdana, Twemoji Color Font")
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->set("fontfile",
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(basePath + "assets/fonts/twemoji.otf").c_str())
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->set("width", 542)
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->set("height", 390))
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.gravity(VIPS_COMPASS_DIRECTION_CENTRE, 542, 390);
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VImage out = bg.composite2(textImage, VIPS_BLEND_MODE_OVER,
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VImage::option()->set("x", 391)->set("y", 84));
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void *buf;
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size_t length;
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out.write_to_buffer(".png", &buf, &length);
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result.Set("data", Napi::Buffer<char>::Copy(env, (char *)buf, length));
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result.Set("type", "png");
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} catch (std::exception const &err) {
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Napi::Error::New(env, err.what()).ThrowAsJavaScriptException();
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} catch (...) {
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Napi::Error::New(env, "Unknown error").ThrowAsJavaScriptException();
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}
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vips_error_clear();
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vips_thread_shutdown();
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return result;
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} |