sl@2: #include "minidisplay.h"
sl@5: #include <QPainter>
sl@9: #include <QTimer>
sl@9: 
sl@9: const int KMaxReadAttempt=100;
sl@2: 
sl@2: MiniDisplay::MiniDisplay(QQuickItem *parent):
sl@10:     QQuickItem(parent),iReadAttempt(0),iBrightness(0)
sl@2: {
sl@2:     // By default, QQuickItem does not draw anything. If you subclass
sl@2:     // QQuickItem to create a visual item, you will need to uncomment the
sl@2:     // following line and re-implement updatePaintNode()
sl@2: 
sl@2:     // setFlag(ItemHasContents, true);
sl@3:     //
sl@4:     //qDebug() << "New MiniDisplay";
sl@2: }
sl@2: 
sl@2: MiniDisplay::~MiniDisplay()
sl@2: {
sl@4:     //qDebug() << "Delete MiniDisplay";
sl@11:     close();
sl@2: }
sl@2: 
sl@4: 
sl@4: void MiniDisplay::open()
sl@4: {
sl@4:     if (iDisplay.Open())
sl@4:     {
sl@10:         iDisplay.SetBrightness(iBrightness);
sl@5:         emit opened();
sl@5:         emit statusChanged();
sl@4:     }
sl@4:     else
sl@4:     {
sl@5:         emit openError();
sl@4:     }
sl@4: }
sl@4: 
sl@4: 
sl@4: void MiniDisplay::close()
sl@4: {
sl@11:     //qDebug() << "MiniDisplay::close";
sl@11:     //Try to put back ourframe position to RAM 0,0 which is a multiple of 128
sl@11:     if (iDisplay.IsOpen())
sl@11:     {
sl@11:         emit closing();
sl@11: 
sl@11:         if (iDisplay.DisplayPositionY()%128!=0)
sl@11:         {
sl@11:             //qDebug() << "SwapBuffer to put back our frame position to zero " << iDisplay.DisplayPositionY();
sl@11:             iDisplay.SwapBuffers();
sl@11:         }
sl@11:     }
sl@4:     iDisplay.Close();
sl@5:     emit closed();
sl@5:     emit statusChanged();
sl@4: }
sl@4: 
sl@4: bool MiniDisplay::isOpen()
sl@4: {
sl@4:     return iDisplay.IsOpen();
sl@4: }
sl@4: 
sl@4: void MiniDisplay::clear()
sl@4: {
sl@4:     if (!iDisplay.IsOpen()) return;
sl@4:     //
sl@4:     iDisplay.Clear();
sl@4: }
sl@4: 
sl@4: void MiniDisplay::fill()
sl@4: {
sl@4:     if (!iDisplay.IsOpen()) return;
sl@4:     //
sl@4:     iDisplay.SetAllPixels(0xFF);
sl@4: }
sl@4: 
sl@4: void MiniDisplay::swapBuffers()
sl@4: {
sl@4:     if (!iDisplay.IsOpen()) return;
sl@4:     //
sl@4:     iDisplay.SwapBuffers();
sl@4: }
sl@5: 
sl@9: void MiniDisplay::requestPowerStatus()
sl@9: {
sl@9:     if (!iDisplay.IsOpen()) return;
sl@9: 
sl@9:     iDisplay.RequestPowerSupplyStatus();
sl@9:     QTimer::singleShot(4, this, SLOT(readTimer()));
sl@9:     iReadAttempt=0;
sl@9: }
sl@9: 
sl@9: void MiniDisplay::requestDeviceId()
sl@9: {
sl@9:     if (!iDisplay.IsOpen()) return;
sl@9: 
sl@9:     iDisplay.RequestDeviceId();
sl@9:     QTimer::singleShot(4, this, SLOT(readTimer()));
sl@9:     iReadAttempt=0;
sl@9: }
sl@9: 
sl@9: void MiniDisplay::requestFirmwareVersion()
sl@9: {
sl@9:     if (!iDisplay.IsOpen()) return;
sl@9: 
sl@9:     iDisplay.RequestFirmwareRevision();
sl@9:     QTimer::singleShot(4, this, SLOT(readTimer()));
sl@9:     iReadAttempt=0;
sl@9: }
sl@9: 
sl@9: 
sl@9: 
sl@5: /**
sl@5:  * @brief setFont
sl@5:  * @param aFont
sl@5:  */
sl@5: void MiniDisplay::setFont(const QFont& aFont)
sl@5: {
sl@5:     iFont=aFont;
sl@6:     iFont.setStyleStrategy(QFont::NoAntialias);
sl@5:     QString strDemo="0123456789ABCDEF";
sl@5:     QFontMetrics metrics(iFont);
sl@6:     int w=metrics.width(strDemo);
sl@6:     int h=metrics.height();
sl@6:     QSize size(w,h);
sl@5:     QImage image(size,QImage::Format_Mono);
sl@5:     image.fill(0xFFFFFFFF);
sl@6:     //Draw some text into our image
sl@5:     {
sl@5:         QPainter painter(&image);
sl@5:         //painter.begin(&image);
sl@5:         painter.setPen(0xFF000000);
sl@5:         painter.setFont(iFont);
sl@5:         painter.drawText(0,metrics.ascent(),strDemo);
sl@5:     }
sl@6:     //Save image as PNG for validation
sl@5:     image.save("font.png");
sl@6:     //
sl@6:     //int sizeInBytes=image.byteCount();
sl@6:     int pixelCount=w*h;
sl@6:     BitArray bits(pixelCount);
sl@6: 
sl@6:     for (int i=0;i<w;i++)
sl@6:         {
sl@6:         for (int j=0;j<h;j++)
sl@6:             {
sl@6:             QRgb color=image.pixel(i,j);
sl@6:             if (color!=0xffffffff)
sl@6:                 {
sl@6:                 bits.SetBit(i*h+j);
sl@6:                 }
sl@6:             }
sl@6:         }
sl@6: 
sl@8:     if (iDisplay.IsOpen())
sl@8:     {
sl@8:         iDisplay.Clear();
sl@8:         iDisplay.BitBlit(bits,w,h,0,0);
sl@8:         iDisplay.SwapBuffers();
sl@8:     }
sl@6:     //
sl@5: }
sl@8: 
sl@8: 
sl@8: QString MiniDisplay::vendor()
sl@8: {
sl@8:     return QString::fromWCharArray(iDisplay.Vendor());
sl@8: }
sl@8: 
sl@8: QString MiniDisplay::product()
sl@8: {
sl@8:     return QString::fromWCharArray(iDisplay.Product());
sl@8: }
sl@8: 
sl@8: QString MiniDisplay::serialNumber()
sl@8: {
sl@8:     return QString::fromWCharArray(iDisplay.SerialNumber());
sl@8: }
sl@8: 
sl@9: /**
sl@9:  * @brief MiniDisplay::readTimer
sl@10:  * Called when our read timer completes.
sl@10:  * We then attempt to complete our pending display request.
sl@10:  * We typically attempt to read an input report from our HID device.
sl@9:  */
sl@9: void MiniDisplay::readTimer()
sl@9: {
sl@9:     if (!iDisplay.IsOpen()) return;
sl@9:     if (!iDisplay.RequestPending()) return;
sl@8: 
sl@9:     iReadAttempt++;
sl@9:     GP1212A01A::Request request = iDisplay.AttemptRequestCompletion();
sl@9: 
sl@9:     if (!request)
sl@9:     {
sl@9:         if (iReadAttempt<KMaxReadAttempt)
sl@9:         {
sl@9:             //Will try again later
sl@9:             QTimer::singleShot(4, this, SLOT(readTimer()));
sl@9:         }
sl@9: 
sl@9:         return;
sl@9:     }
sl@9: 
sl@9:     //TODO: Find a way to remove device specific stuff from here
sl@9:     if (request==GP1212A01A::ERequestFirmwareRevision)
sl@9:     {
sl@9:         QString version=QString::fromLocal8Bit((const char*)iDisplay.InputReport().Buffer()+1);
sl@9:         emit firmwareVersion(version);
sl@9:     }
sl@9:     else if (request==GP1212A01A::ERequestDeviceId)
sl@9:     {
sl@9:         QString id=QString::fromLocal8Bit((const char*)iDisplay.InputReport().Buffer()+1);
sl@9:         emit deviceId(id);
sl@9:     }
sl@9:     else if (request==GP1212A01A::ERequestPowerSupplyStatus)
sl@9:     {
sl@9:         emit powerStatus(iDisplay.PowerOn());
sl@9:     }
sl@9: }
sl@9: 
sl@10: 
sl@10: int MiniDisplay::maxBrightness() const
sl@10: {
sl@10:     return iDisplay.MaxBrightness();
sl@10: }
sl@10: 
sl@10: int MiniDisplay::minBrightness() const
sl@10: {
sl@10:     return iDisplay.MinBrightness();
sl@10: }
sl@10: 
sl@10: int MiniDisplay::brightness() const
sl@10: {
sl@10:     return iBrightness;
sl@10: }
sl@10: 
sl@10: void MiniDisplay::setBrightness(int aBrightness)
sl@10: {
sl@10:     //Still track the brightness when disconnected
sl@10:     iBrightness=aBrightness;
sl@10: 
sl@10:     if (!iDisplay.IsOpen()) return;
sl@10: 
sl@10:     iDisplay.SetBrightness(aBrightness);
sl@10: }
sl@10: 
sl@11: QPoint MiniDisplay::framePosition() const
sl@11: {
sl@11:     return QPoint(iDisplay.DisplayPositionX(),iDisplay.DisplayPositionX());
sl@11: }
sl@10: 
sl@11: void MiniDisplay::setFramePosition(const QPoint& aPoint)
sl@11: {
sl@11:     iFramePosition = aPoint;
sl@11: 
sl@11:     if (!iDisplay.IsOpen()) return;
sl@11: 
sl@11:     iDisplay.SetDisplayPosition(aPoint.x(),aPoint.y());
sl@11: }
sl@11: 
sl@11: 
sl@11: