47 lines
No EOL
1.5 KiB
C++
47 lines
No EOL
1.5 KiB
C++
#include <napi.h>
|
|
|
|
#include <vips/vips8>
|
|
|
|
using namespace std;
|
|
using namespace vips;
|
|
|
|
Napi::Value Sonic(const Napi::CallbackInfo &info) {
|
|
Napi::Env env = info.Env();
|
|
|
|
try {
|
|
Napi::Object obj = info[0].As<Napi::Object>();
|
|
string text = obj.Get("text").As<Napi::String>().Utf8Value();
|
|
string basePath = obj.Get("basePath").As<Napi::String>().Utf8Value();
|
|
|
|
string assetPath = basePath + "assets/images/sonic.jpg";
|
|
VImage bg = VImage::new_from_file(assetPath.c_str());
|
|
|
|
VImage textImage =
|
|
VImage::text(("<span foreground=\"white\">" + text + "</span>").c_str(),
|
|
VImage::option()
|
|
->set("rgba", true)
|
|
->set("align", VIPS_ALIGN_CENTRE)
|
|
->set("font", "Bitstream Vera Sans")
|
|
->set("width", 542)
|
|
->set("height", 390))
|
|
.gravity(VIPS_COMPASS_DIRECTION_CENTRE, 542, 390);
|
|
|
|
VImage out = bg.composite2(textImage, VIPS_BLEND_MODE_OVER,
|
|
VImage::option()->set("x", 391)->set("y", 84));
|
|
|
|
void *buf;
|
|
size_t length;
|
|
out.write_to_buffer(".png", &buf, &length);
|
|
|
|
vips_thread_shutdown();
|
|
|
|
Napi::Object result = Napi::Object::New(env);
|
|
result.Set("data", Napi::Buffer<char>::Copy(env, (char *)buf, length));
|
|
result.Set("type", "png");
|
|
return result;
|
|
} catch (std::exception const &err) {
|
|
throw Napi::Error::New(env, err.what());
|
|
} catch (...) {
|
|
throw Napi::Error::New(env, "Unknown error");
|
|
}
|
|
} |