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#include "minidisplay.h"
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#include <QPainter>
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#include <QTimer>
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const int KMaxReadAttempt=100;
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MiniDisplay::MiniDisplay(QQuickItem *parent):
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QQuickItem(parent),iReadAttempt(0),iBrightness(iDisplay.MaxBrightness())
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{
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// By default, QQuickItem does not draw anything. If you subclass
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// QQuickItem to create a visual item, you will need to uncomment the
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// following line and re-implement updatePaintNode()
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// setFlag(ItemHasContents, true);
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//
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//qDebug() << "New MiniDisplay";
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}
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MiniDisplay::~MiniDisplay()
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{
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//qDebug() << "Delete MiniDisplay";
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close();
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}
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void MiniDisplay::open()
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{
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if (iDisplay.Open())
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{
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iDisplay.SetBrightness(iBrightness);
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emit opened();
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emit statusChanged();
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}
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else
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{
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emit openError();
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}
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}
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void MiniDisplay::close()
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{
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//qDebug() << "MiniDisplay::close";
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//Try to put back ourframe position to RAM 0,0 which is a multiple of 128
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if (iDisplay.IsOpen())
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{
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emit closing();
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if (iDisplay.DisplayPositionY()%128!=0)
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{
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//qDebug() << "SwapBuffer to put back our frame position to zero " << iDisplay.DisplayPositionY();
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iDisplay.SwapBuffers();
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}
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}
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iDisplay.Close();
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emit closed();
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emit statusChanged();
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}
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bool MiniDisplay::isOpen()
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{
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return iDisplay.IsOpen();
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}
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void MiniDisplay::clear()
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{
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if (!iDisplay.IsOpen()) return;
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//
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iDisplay.Clear();
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}
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void MiniDisplay::fill()
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{
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if (!iDisplay.IsOpen()) return;
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//
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iDisplay.SetAllPixels(0xFF);
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}
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void MiniDisplay::swapBuffers()
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{
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if (!iDisplay.IsOpen()) return;
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//
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iDisplay.SwapBuffers();
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}
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void MiniDisplay::requestPowerStatus()
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{
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if (!iDisplay.IsOpen()) return;
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iDisplay.RequestPowerSupplyStatus();
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QTimer::singleShot(4, this, SLOT(readTimer()));
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iReadAttempt=0;
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}
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void MiniDisplay::requestDeviceId()
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{
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if (!iDisplay.IsOpen()) return;
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iDisplay.RequestDeviceId();
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QTimer::singleShot(4, this, SLOT(readTimer()));
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iReadAttempt=0;
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}
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void MiniDisplay::requestFirmwareVersion()
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{
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if (!iDisplay.IsOpen()) return;
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iDisplay.RequestFirmwareRevision();
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QTimer::singleShot(4, this, SLOT(readTimer()));
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iReadAttempt=0;
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}
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/**
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* @brief setFont
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* @param aFont
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*/
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void MiniDisplay::setFont(const QFont& aFont)
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{
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iFont=aFont;
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iFont.setStyleStrategy(QFont::NoAntialias);
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QString strDemo="0123456789ABCDEF";
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QFontMetrics metrics(iFont);
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int w=metrics.boundingRect(strDemo).width();
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int h=metrics.height();
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//int h=metrics.boundingRect(strDemo).height();
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QSize size(w,h);
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//Rendering in mono is quite broken we need RGB32
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QImage image(size,QImage::Format_RGB32);
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image.fill(0xFFFFFFFF);
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//Draw some text into our image
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{
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QPainter painter(&image);
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painter.setPen(0xFF000000);
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painter.setFont(iFont);
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painter.drawText(0,metrics.ascent(),strDemo);
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}
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//Save image as PNG for validation
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//image.save("font.png");
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//
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renderImage(&image);
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}
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/**
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* @brief MiniDisplay::renderWindow
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*/
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void MiniDisplay::renderOwnWindow()
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{
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QImage image=window()->grabWindow();
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//image.save("window.png");
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renderImage(&image);
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}
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/**
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* @brief MiniDisplay::render
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* @param aWindow
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*/
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void MiniDisplay::renderWindow(QQuickWindow* aWindow)
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{
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//if (!iDisplay.IsOpen()) return;
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QImage image=aWindow->grabWindow();
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//image.save("window.png");
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renderImage(&image);
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}
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/**
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* @brief MiniDisplay::render
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* @param aImage
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*/
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void MiniDisplay::renderImage(QImage* aImage)
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{
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if (!iDisplay.IsOpen())
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{
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return;
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}
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//Convert our image into a bit array
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int w=aImage->width();
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int h=aImage->height();
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int pixelCount=w*h;
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BitArray bits(pixelCount);
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for (int i=0;i<w;i++)
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{
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for (int j=0;j<h;j++)
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{
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QRgb color=aImage->pixel(i,j);
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if (color!=0xffffffff)
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{
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bits.SetBit(i*h+j);
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}
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}
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}
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//Just blit it then
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iDisplay.BitBlit(bits,w,h,0,0);
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}
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/**
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* @brief MiniDisplay::connectWindow
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* @param aWindow
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*/
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void MiniDisplay::connectWindow(QQuickWindow* aWindow, QJSValue aFunction)
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{
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QObject::connect(aWindow, SIGNAL(afterAnimating()),
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this, SLOT(onAfterAnimating()));
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iAfterAnimatingCallback = aFunction;
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iWindow = aWindow;
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}
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/**
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* @brief MiniDisplay::onAfterAnimating
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*/
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void MiniDisplay::onAfterAnimating()
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{
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static int frame=0;
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qDebug() << frame << "MiniDisplay::onAfterAnimating";
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/*
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if (iAfterAnimatingCallback.isCallable())
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{
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iAfterAnimatingCallback.call();
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}*/
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renderWindow(iWindow);
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swapBuffers();
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sl@29
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//Interrestingly rendering will suspend when we stop changing our text field content
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if (frame%8==0)
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{
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sl@29
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if (iAfterAnimatingCallback.isCallable())
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{
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iAfterAnimatingCallback.call(QJSValueList() << frame);
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}
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}
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frame++;
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}
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/**
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* @brief MiniDisplay::setPixel
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* @param x
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* @param y
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* @param on
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*/
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void MiniDisplay::setPixel(int x, int y, bool on)
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{
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if (!iDisplay.IsOpen())
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{
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return;
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}
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sl@16
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iDisplay.SetPixel(x,y,on);
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}
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sl@16
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/**
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* @brief MiniDisplay::offScreenMode
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* @return
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*/
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bool MiniDisplay::offScreenMode()
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{
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sl@18
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return iDisplay.OffScreenMode();
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sl@18
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}
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sl@18
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sl@18
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/**
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sl@18
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* @brief MiniDisplay::setOffScreenMode
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sl@18
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* @param aOn
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*/
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sl@18
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void MiniDisplay::setOffScreenMode(bool aOn)
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{
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if (!iDisplay.IsOpen())
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{
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sl@18
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return;
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sl@18
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}
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sl@18
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sl@18
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iDisplay.SetOffScreenMode(aOn);
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sl@18
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}
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sl@18
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sl@18
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sl@18
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sl@18
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sl@18
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/**
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sl@15
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* @brief MiniDisplay::vendor
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sl@15
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* @return
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sl@15
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*/
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sl@8
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QString MiniDisplay::vendor()
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sl@8
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{
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sl@8
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return QString::fromWCharArray(iDisplay.Vendor());
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sl@8
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}
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sl@8
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sl@15
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/**
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sl@15
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* @brief MiniDisplay::product
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sl@15
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* @return
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sl@15
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*/
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sl@8
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QString MiniDisplay::product()
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sl@8
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302 |
{
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sl@8
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303 |
return QString::fromWCharArray(iDisplay.Product());
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sl@8
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}
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sl@8
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sl@15
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/**
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sl@15
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* @brief MiniDisplay::serialNumber
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sl@15
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308 |
* @return
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sl@15
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309 |
*/
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sl@8
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310 |
QString MiniDisplay::serialNumber()
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sl@8
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311 |
{
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sl@8
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312 |
return QString::fromWCharArray(iDisplay.SerialNumber());
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sl@8
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313 |
}
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sl@8
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314 |
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sl@9
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315 |
/**
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sl@9
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316 |
* @brief MiniDisplay::readTimer
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sl@10
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317 |
* Called when our read timer completes.
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sl@10
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* We then attempt to complete our pending display request.
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sl@10
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319 |
* We typically attempt to read an input report from our HID device.
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sl@9
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320 |
*/
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sl@9
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321 |
void MiniDisplay::readTimer()
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sl@9
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322 |
{
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sl@9
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323 |
if (!iDisplay.IsOpen()) return;
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sl@9
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324 |
if (!iDisplay.RequestPending()) return;
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sl@8
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325 |
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sl@9
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326 |
iReadAttempt++;
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sl@9
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327 |
GP1212A01A::Request request = iDisplay.AttemptRequestCompletion();
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sl@9
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328 |
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sl@9
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329 |
if (!request)
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sl@9
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330 |
{
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sl@9
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331 |
if (iReadAttempt<KMaxReadAttempt)
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sl@9
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332 |
{
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sl@9
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333 |
//Will try again later
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sl@9
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334 |
QTimer::singleShot(4, this, SLOT(readTimer()));
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sl@9
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335 |
}
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sl@9
|
336 |
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sl@9
|
337 |
return;
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sl@9
|
338 |
}
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sl@9
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339 |
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sl@9
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340 |
//TODO: Find a way to remove device specific stuff from here
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sl@9
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341 |
if (request==GP1212A01A::ERequestFirmwareRevision)
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sl@9
|
342 |
{
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sl@9
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343 |
QString version=QString::fromLocal8Bit((const char*)iDisplay.InputReport().Buffer()+1);
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sl@9
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344 |
emit firmwareVersion(version);
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sl@9
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345 |
}
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sl@9
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346 |
else if (request==GP1212A01A::ERequestDeviceId)
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sl@9
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347 |
{
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sl@9
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348 |
QString id=QString::fromLocal8Bit((const char*)iDisplay.InputReport().Buffer()+1);
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sl@9
|
349 |
emit deviceId(id);
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sl@9
|
350 |
}
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sl@9
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351 |
else if (request==GP1212A01A::ERequestPowerSupplyStatus)
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sl@9
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352 |
{
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sl@9
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353 |
emit powerStatus(iDisplay.PowerOn());
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sl@9
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354 |
}
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sl@9
|
355 |
}
|
sl@9
|
356 |
|
sl@10
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357 |
|
sl@10
|
358 |
int MiniDisplay::maxBrightness() const
|
sl@10
|
359 |
{
|
sl@10
|
360 |
return iDisplay.MaxBrightness();
|
sl@10
|
361 |
}
|
sl@10
|
362 |
|
sl@10
|
363 |
int MiniDisplay::minBrightness() const
|
sl@10
|
364 |
{
|
sl@10
|
365 |
return iDisplay.MinBrightness();
|
sl@10
|
366 |
}
|
sl@10
|
367 |
|
sl@10
|
368 |
int MiniDisplay::brightness() const
|
sl@10
|
369 |
{
|
sl@10
|
370 |
return iBrightness;
|
sl@10
|
371 |
}
|
sl@10
|
372 |
|
sl@10
|
373 |
void MiniDisplay::setBrightness(int aBrightness)
|
sl@10
|
374 |
{
|
sl@10
|
375 |
//Still track the brightness when disconnected
|
sl@10
|
376 |
iBrightness=aBrightness;
|
sl@10
|
377 |
|
sl@10
|
378 |
if (!iDisplay.IsOpen()) return;
|
sl@10
|
379 |
|
sl@10
|
380 |
iDisplay.SetBrightness(aBrightness);
|
sl@10
|
381 |
}
|
sl@10
|
382 |
|
sl@23
|
383 |
/**
|
sl@23
|
384 |
@brief MiniDisplay::frameDifferencing
|
sl@23
|
385 |
@return
|
sl@23
|
386 |
*/
|
sl@23
|
387 |
bool MiniDisplay::frameDifferencing() const
|
sl@23
|
388 |
{
|
sl@23
|
389 |
return iDisplay.FrameDifferencing();
|
sl@23
|
390 |
}
|
sl@23
|
391 |
|
sl@23
|
392 |
/**
|
sl@23
|
393 |
@brief MiniDisplay::setFrameDifferencing
|
sl@23
|
394 |
@param aOn
|
sl@23
|
395 |
*/
|
sl@23
|
396 |
void MiniDisplay::setFrameDifferencing(bool aOn)
|
sl@23
|
397 |
{
|
sl@23
|
398 |
iDisplay.SetFrameDifferencing(aOn);
|
sl@23
|
399 |
}
|
sl@23
|
400 |
|
sl@23
|
401 |
|
sl@11
|
402 |
QPoint MiniDisplay::framePosition() const
|
sl@11
|
403 |
{
|
sl@11
|
404 |
return QPoint(iDisplay.DisplayPositionX(),iDisplay.DisplayPositionX());
|
sl@11
|
405 |
}
|
sl@10
|
406 |
|
sl@11
|
407 |
void MiniDisplay::setFramePosition(const QPoint& aPoint)
|
sl@11
|
408 |
{
|
sl@11
|
409 |
iFramePosition = aPoint;
|
sl@11
|
410 |
|
sl@11
|
411 |
if (!iDisplay.IsOpen()) return;
|
sl@11
|
412 |
|
sl@11
|
413 |
iDisplay.SetDisplayPosition(aPoint.x(),aPoint.y());
|
sl@11
|
414 |
}
|
sl@11
|
415 |
|
sl@11
|
416 |
|
sl@11
|
417 |
|