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#include "node_map_render_worker.hpp"
#include "node_file_source.hpp"
#include <mbgl/util/image.hpp>
namespace node_mbgl {
NodeMap::RenderWorker::RenderWorker(NodeMap *nodeMap_, std::unique_ptr<RenderOptions> options_,
NanCallback *callback_)
: NanAsyncWorker(callback_), nodeMap(nodeMap_), options(std::move(options_)) {
nodeMap->Ref();
}
NodeMap::RenderWorker::~RenderWorker() {
nodeMap->Unref();
}
void NodeMap::RenderWorker::Execute() {
try {
nodeMap->view.resize(options->width, options->height, options->ratio);
nodeMap->map.setAccessToken(options->accessToken);
nodeMap->map.resize(options->width, options->height, options->ratio);
nodeMap->map.setClasses(options->classes);
nodeMap->map.setLonLatZoom(options->longitude, options->latitude, options->zoom);
nodeMap->map.setBearing(options->bearing);
// Run the loop. It will terminate when we don't have any further listeners.
nodeMap->map.run();
const unsigned int width = options->width * options->ratio;
const unsigned int height = options->height * options->ratio;
auto pixels = nodeMap->view.readPixels();
image = mbgl::util::compress_png(width, height, pixels.get());
} catch (mbgl::exception &ex) {
SetErrorMessage(ex.what());
}
}
void NodeMap::RenderWorker::WorkComplete() {
NanAsyncWorker::WorkComplete();
// Continue processing remaining items in the queue.
nodeMap->processNext();
}
void NodeMap::RenderWorker::HandleOKCallback() {
NanScope();
v8::Local<v8::Value> argv[] = {
NanNull(),
NanNewBufferHandle(image.data(), image.length())
};
callback->Call(2, argv);
};
} // ns node_mbgl
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