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These rights are described in the Digia Qt LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 3.0 as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU General Public License version 3.0 requirements will be ** met: http://www.gnu.org/copyleft/gpl.html. ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include "qvfbview.h" #include "qvfbshmem.h" #include "qvfbmmap.h" #include "qanimationwriter.h" #include #include #include #include #include #include #include #include #include #ifdef Q_WS_X11 #include #include #endif #include #include #include #include #include QT_BEGIN_NAMESPACE extern int qvfb_protocol; QVFbAbstractView::QVFbAbstractView( QWidget *parent ) #ifdef QVFB_USE_GLWIDGET : QGLWidget( parent ) #else : QWidget( parent ) #endif { } QVFbAbstractView::~QVFbAbstractView() { } QVFbView::QVFbView(int id, int w, int h, int d, Rotation r, QWidget *parent) : QVFbAbstractView(parent), viewdepth(d), viewFormat(DefaultFormat), rgb_swapped(0), rsh(0), gsh(0), bsh(0), rmax(15), gmax(15), bmax(15), contentsWidth(w), contentsHeight(h), gred(1.0), ggreen(1.0), gblue(1.0), gammatable(0), refreshRate(30), animation(0), hzm(0.0), vzm(0.0), mView(0), emulateTouchscreen(false), emulateLcdScreen(false), rotation(r) #ifdef Q_WS_X11 , embedContainer(0) #endif { switch(qvfb_protocol) { default: case 0: mView = new QShMemViewProtocol(id, QSize(w, h), d, this); break; case 1: mView = new QMMapViewProtocol(id, QSize(w, h), d, this); break; } connect(mView, SIGNAL(displayDataChanged(QRect)), SLOT(refreshDisplay(QRect))); #ifdef Q_WS_X11 connect(mView, SIGNAL(displayEmbedRequested(WId)), this, SLOT(embedDisplay(WId))); #endif setAttribute(Qt::WA_PaintOnScreen, viewFormat != ARGBFormat); setMouseTracking(true); setFocusPolicy(Qt::StrongFocus); setAttribute(Qt::WA_NoSystemBackground); setZoom(1.0,1.0); setGamma(1.0,1.0,1.0); mView->setRate(30); } QVFbView::~QVFbView() { stopAnimation(); sendKeyboardData(0, 0, 0, true, false); // magic die key #ifdef Q_WS_X11 delete embedContainer; #endif } QSize QVFbView::sizeHint() const { return QSize(contentsWidth, contentsHeight); } void QVFbView::setRate(int i) { mView->setRate(i); } void QVFbView::setGamma(double gr, double gg, double gb) { gred = gr; ggreen = gg; gblue = gb; switch (viewdepth) { case 12: rsh = 12; gsh = 7; bsh = 1; rmax = 15; gmax = 15; bmax = 15; break; case 15: rsh = 10; gsh = 5; bsh = 0; rmax = 31; gmax = 31; bmax = 31; break; case 16: rsh = 11; gsh = 5; bsh = 0; rmax = 31; gmax = 63; bmax = 31; break; case 18: rsh = 12; gsh = 6; bsh = 0; rmax = 63; gmax = 63; bmax = 63; break; case 24: case 32: rsh = 16; gsh = 8; bsh = 0; rmax = 255; gmax = 255; bmax = 255; } int mm = qMax(rmax,qMax(gmax,bmax))+1; if (gammatable) delete [] gammatable; gammatable = new QRgb[mm]; for (int i=0; i 255) r = 255; if (g > 255) g = 255; if (b > 255) b = 255; gammatable[i] = qRgb(r,g,b); //qDebug("%d: %d,%d,%d",i,r,g,b); } mView->flushChanges(); } void QVFbView::getGamma(int i, QRgb& rgb) { if (i > 255) i = 255; if (i < 0) i = 0; rgb = qRgb(qRed(gammatable[i*rmax/255]), qGreen(gammatable[i*rmax/255]), qBlue(gammatable[i*rmax/255])); } int QVFbView::displayId() const { return mView->id(); } int QVFbView::displayWidth() const { return mView->width(); } int QVFbView::displayHeight() const { return mView->height(); } int QVFbView::displayDepth() const { return viewdepth; } QVFbView::PixelFormat QVFbView::displayFormat() const { return viewFormat; } QVFbView::Rotation QVFbView::displayRotation() const { return rotation; } void QVFbView::setZoom(double hz, double vz) { if (hzm != hz || vzm != vz) { hzm = hz; vzm = vz; mView->flushChanges(); contentsWidth = int(displayWidth()*hz); contentsHeight = int(displayHeight()*vz); if (rotation & 1) qSwap(contentsWidth,contentsHeight); resize(contentsWidth, contentsHeight); if (isVisible()) { updateGeometry(); qApp->sendPostedEvents(); topLevelWidget()->adjustSize(); update(); } } } void QVFbView::setRotation(QVFbView::Rotation r) { rotation = r; // Force update... double ohzm = hzm; hzm=0.0; setZoom(ohzm,vzm); } static QRect mapToDevice(const QRect &r, const QSize &s, QVFbView::Rotation rotation) { int x1 = r.x(); int y1 = r.y(); int x2 = r.right(); int y2 = r.bottom(); int w = s.width(); int h = s.height(); switch (rotation) { case QVFbView::Rot90: return QRect( QPoint(y1, w - x1), QPoint(y2, w - x2)).normalized(); case QVFbView::Rot180: return QRect( QPoint(w - x1, h - y1), QPoint(w - x2, h - y2)).normalized(); case QVFbView::Rot270: return QRect( QPoint(h - y1, x1), QPoint(h - y2, x2)).normalized(); default: break; } return r; } static QRect mapFromDevice(const QRect &r, const QSize &s, QVFbView::Rotation rotation) { return mapToDevice(r,s,QVFbView::Rotation(4-(int)rotation)); } void QVFbView::sendMouseData(const QPoint &pos, int buttons, int wheel) { QPoint p = mapToDevice(QRect(pos,QSize(1,1)), QSize(int(width()/hzm), int(height()/vzm)), rotation).topLeft(); mView->sendMouseData(p, buttons, wheel); } void QVFbView::sendKeyboardData(QString unicode, int keycode, int modifiers, bool press, bool repeat) { mView->sendKeyboardData(unicode, keycode, modifiers, press, repeat); } void QVFbView::refreshDisplay(const QRect &r) { if (animation) { if (r.isEmpty()) { animation->appendBlankFrame(); } else { int l; QImage img = getBuffer(r, l); animation->appendFrame(img,QPoint(r.x(),r.y())); } } if (!r.isNull()) { if (hzm == 1.0 && vzm == 1.0) // hw: workaround for 4.3.1 update(mapFromDevice(r, QSize(displayWidth(), displayHeight()), rotation)); else update(); } } static void dim(QRgb* rgb, int n, int brightness) { uchar* b = (uchar*)rgb; #if Q_BYTE_ORDER == Q_BIG_ENDIAN b++; #endif while (n--) { b[0] = (uint)b[0] * brightness / 255; b[1] = (uint)b[1] * brightness / 255; b[2] = (uint)b[2] * brightness / 255; b += 4; } } QImage QVFbView::getBuffer(const QRect &r, int &leading) const { const int brightness = mView->brightness(); if ( brightness == 0 ) { QImage img(r.size(),QImage::Format_RGB32); img.fill(0); leading = 0; return img; } static QByteArray buffer; const int requiredSize = r.width() * r.height() * 4; QImage img; leading = 0; switch (viewdepth) { case 1: { if (requiredSize > buffer.size()) buffer.resize(requiredSize); // XXX: hw: replace by drawhelper functionality const int pixelsPerByte = 8; quint8 *src = reinterpret_cast(mView->data()) + r.y() * mView->linestep() + r.x() / pixelsPerByte; const int align = qMin(r.width(), (8 - (r.x() & 7)) & 7); const int doAlign = (align > 0 ? 1 : 0); const int tail = qMin(r.width(), (r.width() - align) & 7); const int doTail = (tail > 0 ? 1 : 0); const int width8 = (r.width() - align) / pixelsPerByte; const int stride = mView->linestep() - (width8 + doAlign); uchar *b = reinterpret_cast(buffer.data()); img = QImage(b, r.width(), r.height(), QImage::Format_RGB32); for (int y = 0; y < r.height(); ++y) { quint32 *dest = reinterpret_cast(img.scanLine(y)); quint8 c; if (doAlign) { switch (align) { case 7: c = ((*src & 0x40) >> 6) * 0xff; *dest++ = qRgb(c, c, c); case 6: c = ((*src & 0x20) >> 5) * 0xff; *dest++ = qRgb(c, c, c); case 5: c = ((*src & 0x10) >> 4) * 0xff; *dest++ = qRgb(c, c, c); case 4: c = ((*src & 0x08) >> 3) * 0xff; *dest++ = qRgb(c, c, c); case 3: c = ((*src & 0x04) >> 2) * 0xff; *dest++ = qRgb(c, c, c); case 2: c = ((*src & 0x02) >> 1) * 0xff; *dest++ = qRgb(c, c, c); case 1: c = ((*src & 0x01)) * 0xff; *dest++ = qRgb(c, c, c); } ++src; } for (int i = 0; i < width8; ++i) { c = ((*src & 0x80) >> 7) * 0xff; *dest++ = qRgb(c, c, c); c = ((*src & 0x40) >> 6) * 0xff; *dest++ = qRgb(c, c, c); c = ((*src & 0x20) >> 5) * 0xff; *dest++ = qRgb(c, c, c); c = ((*src & 0x10) >> 4) * 0xff; *dest++ = qRgb(c, c, c); c = ((*src & 0x08) >> 3) * 0xff; *dest++ = qRgb(c, c, c); c = ((*src & 0x04) >> 2) * 0xff; *dest++ = qRgb(c, c, c); c = ((*src & 0x02) >> 1) * 0xff; *dest++ = qRgb(c, c, c); c = ((*src & 0x01)) * 0xff; *dest++ = qRgb(c, c, c); ++src; } if (doTail) { switch (tail) { case 7: c = ((*src & 0x02) >> 1) * 0xff; dest[6] = qRgb(c, c, c); case 6: c = ((*src & 0x04) >> 2) * 0xff; dest[5] = qRgb(c, c, c); case 5: c = ((*src & 0x08) >> 3) * 0xff; dest[4] = qRgb(c, c, c); case 4: c = ((*src & 0x10) >> 4) * 0xff; dest[3] = qRgb(c, c, c); case 3: c = ((*src & 0x20) >> 5) * 0xff; dest[2] = qRgb(c, c, c); case 2: c = ((*src & 0x40) >> 6) * 0xff; dest[1] = qRgb(c, c, c); case 1: c = ((*src & 0x80) >> 7) * 0xff; dest[0] = qRgb(c, c, c); } } src += stride; } break; } case 2: { if (requiredSize > buffer.size()) buffer.resize(requiredSize); // XXX: hw: replace by drawhelper functionality const int pixelsPerByte = 4; quint8 *src = reinterpret_cast(mView->data()) + r.y() * mView->linestep() + r.x() / pixelsPerByte; const int align = qMin(r.width(), (4 - (r.x() & 3)) & 3); const int doAlign = (align > 0 ? 1 : 0); const int tail = qMin(r.width(), (r.width() - align) & 3); const int doTail = (tail > 0 ? 1 : 0); const int width8 = (r.width() - align) / pixelsPerByte; const int stride = mView->linestep() - (width8 + doAlign); uchar *b = reinterpret_cast(buffer.data()); img = QImage(b, r.width(), r.height(), QImage::Format_RGB32); for (int y = 0; y < r.height(); ++y) { quint32 *dest = reinterpret_cast(img.scanLine(y)); quint8 c; if (doAlign) { switch (align) { case 3: c = ((*src & 0x30) >> 4) * 0x55; *dest++ = qRgb(c, c, c); case 2: c = ((*src & 0x0c) >> 2) * 0x55; *dest++ = qRgb(c, c, c); case 1: c = ((*src & 0x03)) * 0x55; *dest++ = qRgb(c, c, c); } ++src; } for (int i = 0; i < width8; ++i) { c = ((*src & 0xc0) >> 6) * 0x55; *dest++ = qRgb(c, c, c); c = ((*src & 0x30) >> 4) * 0x55; *dest++ = qRgb(c, c, c); c = ((*src & 0x0c) >> 2) * 0x55; *dest++ = qRgb(c, c, c); c = ((*src & 0x03)) * 0x55; *dest++ = qRgb(c, c, c); ++src; } if (doTail) { switch (tail) { case 3: c = ((*src & 0x0c) >> 2) * 0x55; dest[2] = qRgb(c, c, c); case 2: c = ((*src & 0x30) >> 4) * 0x55; dest[1] = qRgb(c, c, c); case 1: c = ((*src & 0xc0) >> 6) * 0x55; dest[0] = qRgb(c, c, c); } } src += stride; } break; } case 4: { if (requiredSize > buffer.size()) buffer.resize(requiredSize); // XXX: hw: replace by drawhelper functionality const int pixelsPerByte = 2; const int doAlign = r.x() & 1; const int doTail = (r.width() - doAlign) & 1; const int width8 = (r.width() - doAlign) / pixelsPerByte; uchar *b = reinterpret_cast(buffer.data()); img = QImage(b, r.width(), r.height(), QImage::Format_RGB32); for (int y = 0; y < r.height(); ++y) { const quint8 *sptr = mView->data() + (r.y() + y) * mView->linestep() + r.x() / pixelsPerByte; quint32 *dptr = reinterpret_cast(img.scanLine(y)); if (doAlign) { quint8 c = (*sptr++ & 0x0f); c |= (c << 4); *dptr++ = qRgb(c, c, c); } for (int i = 0; i < width8; ++i) { quint8 c1 = (*sptr >> 4); quint8 c2 = (*sptr & 0x0f); c1 |= (c1 << 4); c2 |= (c2 << 4); *dptr++ = qRgb(c1, c1, c1); *dptr++ = qRgb(c2, c2, c2); ++sptr; } if (doTail) { quint8 c = *sptr >> 4; c |= (c << 4); *dptr = qRgb(c, c, c); } } break; } case 12: img = QImage((const uchar*)(mView->data() + r.y() * mView->linestep() + r.x() * 2), r.width(), r.height(), mView->linestep(), QImage::Format_RGB444); break; case 15: img = QImage((const uchar*)(mView->data() + r.y() * mView->linestep() + r.x() * 2), r.width(), r.height(), mView->linestep(), QImage::Format_RGB555); break; case 16: img = QImage((const uchar*)(mView->data() + r.y() * mView->linestep() + r.x() * 2), r.width(), r.height(), mView->linestep(), QImage::Format_RGB16); break; case 18: img = QImage((const uchar*)(mView->data() + r.y() * mView->linestep() + r.x() * 3), r.width(), r.height(), mView->linestep(), QImage::Format_RGB666); break; case 24: img = QImage((const uchar*)(mView->data() + r.y() * mView->linestep() + r.x() * 3), r.width(), r.height(), mView->linestep(), QImage::Format_RGB888); break; case 32: img = QImage((const uchar*)(mView->data() + r.y() * mView->linestep() + r.x() * 4), r.width(), r.height(), mView->linestep(), viewFormat == ARGBFormat ? QImage::Format_ARGB32_Premultiplied : QImage::Format_RGB32); break; case 8: img = QImage(mView->data() + r.y() * mView->linestep() + r.x(), r.width(), r.height(), mView->linestep(), QImage::Format_Indexed8); img.setColorTable(mView->clut()); if (img.colorCount() <= 0) img = QImage(); break; } if (rgb_swapped) img = img.rgbSwapped(); if ( brightness != 255 ) { if (img.format() == QImage::Format_Indexed8) { QVector c = img.colorTable(); dim(c.data(),c.count(),brightness); img.setColorTable(c); } else { if ( img.format() != QImage::Format_ARGB32_Premultiplied ) img = img.convertToFormat(QImage::Format_RGB32); // NOTE: calling bits() may change byteCount(), so do not // pass them as parameters (which are evaluated right-to-left). QRgb *b = (QRgb*)img.bits(); int n = img.byteCount()/4; dim(b,n,brightness); } } return img; } static int findMultiple(int start, double m, int limit, int step) { int r = start; while (r != limit) { if (int(int(r * m)/m) == r) break; r += step; } return r; } void QVFbView::drawScreen(const QRect &rect) { QRect r = QRect(0, 0, mView->width(), mView->height()); if (hzm == 1.0 && vzm == 1.0) // hw: workaround for 4.3.1 r &= rect; if (int(hzm) != hzm || int(vzm) != vzm) { r.setLeft(findMultiple(r.left(),hzm,0,-1)); r.setTop(findMultiple(r.top(),vzm,0,-1)); int w = findMultiple(r.width(),hzm,mView->width(),1); int h = findMultiple(r.height(),vzm,mView->height(),1); r.setRight(r.left()+w-1); r.setBottom(r.top()+h-1); } int leading; const QImage img = getBuffer(r, leading); QPixmap pm; if (hzm == 1.0 && vzm == 1.0) { pm = QPixmap::fromImage(img); } else if (emulateLcdScreen && hzm == 3.0 && vzm == 3.0) { QImage img2(img.width()*3, img.height(), QImage::Format_RGB32); for (int row = 0; row < img2.height(); row++) { QRgb *dptr = (QRgb*)img2.scanLine(row); QRgb *sptr = (QRgb*)img.scanLine(row); for (int col = 0; col < img.width(); col++) { QRgb s = *sptr++; *dptr++ = qRgb(qRed(s),0,0); *dptr++ = qRgb(0,qGreen(s),0); *dptr++ = qRgb(0,0,qBlue(s)); } } QMatrix m; m.scale(1.0, 3.0); pm = QPixmap::fromImage(img2); pm = pm.transformed(m); } else if (int(hzm) == hzm && int(vzm) == vzm) { QMatrix m; m.scale(hzm,vzm); pm = QPixmap::fromImage(img); pm = pm.transformed(m); } else { pm = QPixmap::fromImage(img.scaled(int(img.width()*hzm),int(img.height()*vzm), Qt::IgnoreAspectRatio, Qt::SmoothTransformation)); } int x1 = r.x(); int y1 = r.y(); int leadingX = leading; int leadingY = 0; // Do the rotation thing int rotX1 = mView->width() - x1 - img.width(); int rotY1 = mView->height() - y1 - img.height(); int rotLeadingX = (leading) ? mView->width() - leadingX - img.width() : 0; int rotLeadingY = 0; switch (rotation) { case Rot0: break; case Rot90: leadingY = leadingX; leadingX = rotLeadingY; y1 = x1; x1 = rotY1; break; case Rot180: leadingX = rotLeadingX; leadingY = leadingY; x1 = rotX1; y1 = rotY1; break; case Rot270: leadingX = leadingY; leadingY = rotLeadingX; x1 = y1; y1 = rotX1; break; default: break; } x1 = int(x1*hzm); y1 = int(y1*vzm); leadingX = int(leadingX*hzm); leadingY = int(leadingY*vzm); if (rotation != 0) { QMatrix m; m.rotate(rotation * 90.0); pm = pm.transformed(m); } QPainter p(this); if (viewFormat == ARGBFormat) { QPixmap bg(":/res/images/logo-nt.png"); p.fillRect(x1,y1,pm.width(), pm.height(), QBrush(bg)); } p.drawPixmap(x1, y1, pm, leadingX, leadingY, pm.width(), pm.height()); } //bool QVFbView::eventFilter(QObject *obj, QEvent *e) //{ // if (obj == this && // (e->type() == QEvent::FocusIn || e->type() == QEvent::FocusOut)) // return true; // // return QWidgetView::eventFilter(obj, e); //} void QVFbView::paintEvent(QPaintEvent *e) { drawScreen(mapToDevice(e->rect(),QSize(int(width()/hzm), int(height()/vzm)),rotation)); } void QVFbView::mousePressEvent(QMouseEvent *e) { sendMouseData(QPoint(int(e->x()/hzm),int(e->y()/vzm)), e->buttons(), 0); } void QVFbView::contextMenuEvent(QContextMenuEvent*) { } void QVFbView::mouseDoubleClickEvent(QMouseEvent *e) { sendMouseData(QPoint(int(e->x()/hzm),int(e->y()/vzm)), e->buttons(), 0); } void QVFbView::mouseReleaseEvent(QMouseEvent *e) { sendMouseData(QPoint(int(e->x()/hzm),int(e->y()/vzm)), e->buttons(), 0); } void QVFbView::skinMouseEvent(QMouseEvent *e) { sendMouseData(QPoint(int(e->x()/hzm),int(e->y()/vzm)), e->buttons(), 0); } void QVFbView::mouseMoveEvent(QMouseEvent *e) { if (!emulateTouchscreen || (e->buttons() & Qt::MouseButtonMask)) sendMouseData(QPoint(int(e->x()/hzm),int(e->y()/vzm)), e->buttons(), 0); } void QVFbView::wheelEvent(QWheelEvent *e) { if (!e) return; sendMouseData(QPoint(int(e->x()/hzm),int(e->y()/vzm)), e->buttons(), e->delta()); } void QVFbView::setTouchscreenEmulation(bool b) { emulateTouchscreen = b; } void QVFbView::setLcdScreenEmulation(bool b) { emulateLcdScreen = b; } void QVFbView::setViewFormat(PixelFormat f) { if (viewFormat == f) return; viewFormat = f; setAttribute(Qt::WA_PaintOnScreen, viewFormat != ARGBFormat); } #ifdef Q_WS_X11 void QVFbView::embedDisplay(WId windowId) { if (windowId == 0) { delete embedContainer; embedContainer = 0; return; } if (!embedContainer) { embedContainer = new QX11EmbedContainer(this); embedContainer->setGeometry(rect()); embedContainer->show(); } embedContainer->embedClient(windowId); } #endif bool QVFbView::event(QEvent *e) { if (e->type() == QEvent::KeyPress || e->type() == QEvent::KeyRelease) { QKeyEvent *ke = static_cast(e); sendKeyboardData(ke->text(), ke->key(), ke->modifiers()&(Qt::ShiftModifier|Qt::ControlModifier|Qt::AltModifier), ke->type() == QEvent::KeyPress, ke->isAutoRepeat()); ke->accept(); return true; } return QVFbAbstractView::event(e); } void QVFbView::keyPressEvent(QKeyEvent *e) { sendKeyboardData(e->text(), e->key(), e->modifiers()&(Qt::ShiftModifier|Qt::ControlModifier|Qt::AltModifier), true, e->isAutoRepeat()); } void QVFbView::keyReleaseEvent(QKeyEvent *e) { sendKeyboardData(e->text(), e->key(), e->modifiers()&(Qt::ShiftModifier|Qt::ControlModifier|Qt::AltModifier), false, e->isAutoRepeat()); } QImage QVFbView::image() const { int l; QImage r = getBuffer(QRect(0, 0, mView->width(), mView->height()), l).copy(); return r; } void QVFbView::startAnimation(const QString& filename) { delete animation; animation = new QAnimationWriter(filename,"MNG"); animation->setFrameRate(refreshRate); animation->appendFrame(QImage(mView->data(), mView->width(), mView->height(), QImage::Format_RGB32)); } void QVFbView::stopAnimation() { delete animation; animation = 0; } void QVFbView::skinKeyPressEvent(int code, const QString& text, bool autorep) { QKeyEvent e(QEvent::KeyPress,code,0,text,autorep); keyPressEvent(&e); } void QVFbView::skinKeyReleaseEvent(int code, const QString& text, bool autorep) { QKeyEvent e(QEvent::KeyRelease,code,0,text,autorep); keyReleaseEvent(&e); } QT_END_NAMESPACE