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40 lines
949 B
C++
40 lines
949 B
C++
3 weeks ago
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#include "rsvgimageplugin.h"
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#include "rsvgimageiohandler.h"
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#include <QIODevice>
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namespace {
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bool isSvg(const QByteArray &data)
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{
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return data.left(64 * 1024).toLower().contains("<svg");
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}
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} // namespace
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QImageIOPlugin::Capabilities RsvgImagePlugin::capabilities(QIODevice *device, const QByteArray &format) const
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{
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if (!device || !device->isReadable()) {
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return {};
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}
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if (!format.isEmpty() && format.compare("svg", Qt::CaseInsensitive) != 0) {
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return {};
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}
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if (format.compare("svg", Qt::CaseInsensitive) == 0) {
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return CanRead;
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}
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return isSvg(device->peek(64 * 1024)) ? Capabilities(CanRead) : Capabilities();
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}
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QImageIOHandler *RsvgImagePlugin::create(QIODevice *device, const QByteArray &format) const
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{
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auto *handler = new RsvgImageIOHandler;
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handler->setDevice(device);
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handler->setFormat(format.isEmpty() ? QByteArrayLiteral("svg") : format);
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return handler;
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}
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