104 lines
2.6 KiB
C++
104 lines
2.6 KiB
C++
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#include "xygifcreator.h"
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#include <QImage>
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#include <QThread>
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#include "gif.h"
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class XYGif : public QObject
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{
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Q_OBJECT
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public:
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explicit XYGif()
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{
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moveToThread(&mWorkThread);
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}
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~XYGif()
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{
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if (mWorkThread.isRunning())
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{
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mWorkThread.quit();
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mWorkThread.wait();
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}
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}
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public slots:
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void begin(const QString &file, int width, int height, int delay)
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{
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GifBegin(&mGifWriter, file.toUtf8().data(), static_cast<quint32>(width), static_cast<quint32>(height), static_cast<quint32>(delay));
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}
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void frame(const QImage &img, int width, int height, int delay)
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{
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GifWriteFrame(&mGifWriter, img.bits(),
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static_cast<quint32>(qMin(width, img.width())),
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static_cast<quint32>(qMin(height, img.height())),
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static_cast<quint32>(100.0 / delay));
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}
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void end()
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{
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GifEnd(&mGifWriter);
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mWorkThread.quit();
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}
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private:
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GifWriter mGifWriter;
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QThread mWorkThread;
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friend class XYGifCreator;
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};
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XYGifCreator::XYGifCreator(QObject *parent)
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: QObject(parent)
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{
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mGif = new XYGif;
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connect(&mGif->mWorkThread, &QThread::finished, this, &XYGifCreator::finished);
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}
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XYGifCreator::~XYGifCreator()
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{
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delete mGif;
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}
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void XYGifCreator::startThread()
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{
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mGif->mWorkThread.start();
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}
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bool XYGifCreator::isRunning()
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{
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return mGif->mWorkThread.isRunning();
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}
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void XYGifCreator::begin(const QString &file, int width, int height, int delay, Qt::ConnectionType type)
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{
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mWidth = width;
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mHeight = height;
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QMetaObject::invokeMethod(mGif, "begin", type,
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QGenericReturnArgument(),
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Q_ARG(QString, file),
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Q_ARG(int, width),
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Q_ARG(int, height),
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Q_ARG(int, delay));
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}
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void XYGifCreator::frame(const QImage &img, int delay, Qt::ConnectionType type)
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{
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// gif.h 文件有描述目前只能是RGBA8888图片格式，并且alpha没有被使用
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QImage img32 = img.convertToFormat(QImage::Format_RGBA8888);
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QMetaObject::invokeMethod(mGif, "frame", type,
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QGenericReturnArgument(),
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Q_ARG(QImage, img32),
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Q_ARG(int, mWidth),
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Q_ARG(int, mHeight),
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Q_ARG(int, delay));
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}
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void XYGifCreator::end(Qt::ConnectionType type)
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{
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QMetaObject::invokeMethod(mGif, "end", type);
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}
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#include "xygifcreator.moc"
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