matrixion/src/BlurhashProvider.cpp

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#include "BlurhashProvider.h"
#include <algorithm>
#include <QUrl>
#include "blurhash.hpp"
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void
BlurhashResponse::run()
{
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if (m_requestedSize.width() < 0 || m_requestedSize.height() < 0) {
m_error = QStringLiteral("Blurhash needs size request");
emit finished();
return;
}
if (m_requestedSize.width() == 0 || m_requestedSize.height() == 0) {
m_image = QImage(m_requestedSize, QImage::Format_RGB32);
m_image.fill(QColor(0, 0, 0));
emit finished();
return;
}
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auto decoded = blurhash::decode(QUrl::fromPercentEncoding(m_id.toUtf8()).toStdString(),
m_requestedSize.width(),
m_requestedSize.height(),
4);
if (decoded.image.empty()) {
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m_error = QStringLiteral("Failed decode!");
emit finished();
return;
}
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QImage image(decoded.image.data(), (int)decoded.width, (int)decoded.height, QImage::Format_RGB32);
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m_image = image.copy();
emit finished();
}