コード例 #1
0
ファイル: qpixmap_win.cpp プロジェクト: GodFox/qtopia-ezx
QPixmap QPixmap::grabWindow(WId winId, int x, int y, int w, int h )
{
    RECT r;
    GetClientRect(winId, &r);

    if (w < 0) w = r.right - r.left;
    if (h < 0) h = r.bottom - r.top;

    // Create and setup bitmap
    HDC bitmap_dc = CreateCompatibleDC(qt_win_display_dc());
    HBITMAP bitmap = CreateCompatibleBitmap(qt_win_display_dc(), w, h);
    HGDIOBJ null_bitmap = SelectObject(bitmap_dc, bitmap);

    // copy data
    HDC window_dc = GetDC(winId);
    BitBlt(bitmap_dc, 0, 0, w, h, window_dc, x, y, SRCCOPY);

    // clean up all but bitmap
    ReleaseDC(winId, window_dc);
    SelectObject(bitmap_dc, null_bitmap);
    DeleteDC(bitmap_dc);

    QPixmap pixmap = QPixmap::fromWinHBITMAP(bitmap);

    DeleteObject(bitmap);

    return pixmap;
}
コード例 #2
0
ファイル: qfont_win.cpp プロジェクト: muromec/qtopia-ezx
void QFont::initialize()
{
    if (QFontCache::instance)
        return;
    shared_dc = CreateCompatibleDC(qt_win_display_dc());
    if (!shared_dc)
        qErrnoWarning("QFont::initialize: CreateCompatibleDC failed");
    new QFontCache();
}
コード例 #3
0
ファイル: qpixmap_win.cpp プロジェクト: FilipBE/qtextended
QT_BEGIN_NAMESPACE

QPixmap QPixmap::grabWindow(WId winId, int x, int y, int w, int h )
{
    RECT r;
    GetClientRect(winId, &r);

    if (w < 0) w = r.right - r.left;
    if (h < 0) h = r.bottom - r.top;

#ifdef Q_OS_WINCE_WM
    if (qt_wince_is_pocket_pc()) {
        QWidget *widget = QWidget::find(winId);
        if (qobject_cast<QDesktopWidget *>(widget)) {
            RECT rect = {0,0,0,0};
            AdjustWindowRectEx(&rect, WS_BORDER | WS_CAPTION, FALSE, 0);
            int magicNumber = qt_wince_is_high_dpi() ? 4 : 2;
            y += rect.top - magicNumber;
        }
    }
#endif

    // Create and setup bitmap
    HDC bitmap_dc = CreateCompatibleDC(qt_win_display_dc());
    HBITMAP bitmap = CreateCompatibleBitmap(qt_win_display_dc(), w, h);
    HGDIOBJ null_bitmap = SelectObject(bitmap_dc, bitmap);

    // copy data
    HDC window_dc = GetDC(winId);
    BitBlt(bitmap_dc, 0, 0, w, h, window_dc, x, y, SRCCOPY);

    // clean up all but bitmap
    ReleaseDC(winId, window_dc);
    SelectObject(bitmap_dc, null_bitmap);
    DeleteDC(bitmap_dc);

    QPixmap pixmap = QPixmap::fromWinHBITMAP(bitmap);

    DeleteObject(bitmap);

    return pixmap;
}
コード例 #4
0
ファイル: qcolormap_win.cpp プロジェクト: Afreeca/qt
void QColormap::initialize()
{
    HDC dc = qt_win_display_dc();

    screenMap = new QColormapPrivate;
    screenMap->depth = GetDeviceCaps(dc, BITSPIXEL);

    screenMap->numcolors = -1;
    if (GetDeviceCaps(dc, RASTERCAPS) & RC_PALETTE)
        screenMap->numcolors = GetDeviceCaps(dc, SIZEPALETTE);

    if (screenMap->numcolors <= 16 || screenMap->numcolors > 256)        // no need to create palette
        return;

    LOGPALETTE* pal = 0;
    int numPalEntries = 6*6*6; // color cube

    pal = (LOGPALETTE*)malloc(sizeof(LOGPALETTE) + numPalEntries * sizeof(PALETTEENTRY));
    // Make 6x6x6 color cube
    int idx = 0;
    for(int ir = 0x0; ir <= 0xff; ir+=0x33) {
        for(int ig = 0x0; ig <= 0xff; ig+=0x33) {
            for(int ib = 0x0; ib <= 0xff; ib+=0x33) {
                pal->palPalEntry[idx].peRed = ir;
                pal->palPalEntry[idx].peGreen = ig;
                pal->palPalEntry[idx].peBlue = ib;
                pal->palPalEntry[idx].peFlags = 0;
                idx++;
            }
        }
    }

    pal->palVersion = 0x300;
    pal->palNumEntries = numPalEntries;

    screenMap->hpal = CreatePalette(pal);
    if (!screenMap->hpal)
        qErrnoWarning("QColor::initialize: Failed to create logical palette");
    free (pal);

    SelectPalette(dc, screenMap->hpal, FALSE);
    RealizePalette(dc);

    PALETTEENTRY paletteEntries[256];
    screenMap->numcolors = GetPaletteEntries(screenMap->hpal, 0, 255, paletteEntries);

    screenMap->palette.resize(screenMap->numcolors);
    for (int i = 0; i < screenMap->numcolors; i++) {
        screenMap->palette[i] = qRgb(paletteEntries[i].peRed,
                                     paletteEntries[i].peGreen,
                                     paletteEntries[i].peBlue);
    }
}
コード例 #5
0
ファイル: qpixmap_win.cpp プロジェクト: FilipBE/qtextended
/*!
    Creates a \c HBITMAP equivalent to the QPixmap, based on the given
    \a format. Returns the \c HBITMAP handle.

    It is the caller's responsibility to free the \c HBITMAP data
    after use.

    \warning This function is only available on Windows.

    \sa fromWinHBITMAP()
*/
HBITMAP QPixmap::toWinHBITMAP(HBitmapFormat format) const
{
    QRasterPixmapData* d = static_cast<QRasterPixmapData*>(data);
    int w = d->image.width();
    int h = d->image.height();

    HDC display_dc = qt_win_display_dc();

    // Define the header
    BITMAPINFO bmi;
    memset(&bmi, 0, sizeof(bmi));
    bmi.bmiHeader.biSize        = sizeof(BITMAPINFOHEADER);
    bmi.bmiHeader.biWidth       = w;
    bmi.bmiHeader.biHeight      = -h;
    bmi.bmiHeader.biPlanes      = 1;
    bmi.bmiHeader.biBitCount    = 32;
    bmi.bmiHeader.biCompression = BI_RGB;
    bmi.bmiHeader.biSizeImage   = w * h * 4;

    // Create the pixmap
    uchar *pixels = 0;
    HBITMAP bitmap = CreateDIBSection(display_dc, &bmi, DIB_RGB_COLORS, (void **) &pixels, 0, 0);
    if (!bitmap) {
        qErrnoWarning("QPixmap::toWinHBITMAP(), failed to create dibsection");
        return 0;
    }
    if (!pixels) {
        qErrnoWarning("QPixmap::toWinHBITMAP(), did not allocate pixel data");
        return 0;
    }

    // Copy over the data
    QImage::Format imageFormat = format == NoAlpha
                                 ? QImage::Format_RGB32
                                 : QImage::Format_ARGB32_Premultiplied;
    const QImage image = d->image.convertToFormat(imageFormat);
    int bytes_per_line = w * 4;
    for (int y=0; y<h; ++y)
        memcpy(pixels + y * bytes_per_line, image.scanLine(y), bytes_per_line);

    return bitmap;
}
コード例 #6
0
void QRasterWindowSurface::flush(QWidget *widget, const QRegion &rgn, const QPoint &offset)
{
    Q_D(QRasterWindowSurface);

    // Not ready for painting yet, bail out. This can happen in
    // QWidget::create_sys()
    if (!d->image || rgn.rectCount() == 0)
        return;

#ifdef Q_WS_WIN
    QRect br = rgn.boundingRect();

    if (!qt_widget_private(window())->isOpaque
        && window()->testAttribute(Qt::WA_TranslucentBackground)
        && (qt_widget_private(window())->data.window_flags & Qt::FramelessWindowHint))
    {
        QRect r = window()->frameGeometry();
        QPoint frameOffset = qt_widget_private(window())->frameStrut().topLeft();
        QRect dirtyRect = br.translated(offset + frameOffset);

        SIZE size = {r.width(), r.height()};
        POINT ptDst = {r.x(), r.y()};
        POINT ptSrc = {0, 0};
        BLENDFUNCTION blend = {AC_SRC_OVER, 0, (BYTE)(255.0 * window()->windowOpacity()), Q_AC_SRC_ALPHA};
        RECT dirty = {dirtyRect.x(), dirtyRect.y(),
            dirtyRect.x() + dirtyRect.width(), dirtyRect.y() + dirtyRect.height()};
        Q_UPDATELAYEREDWINDOWINFO info = {sizeof(info), NULL, &ptDst, &size, d->image->hdc, &ptSrc, 0, &blend, Q_ULW_ALPHA, &dirty};
        ptrUpdateLayeredWindowIndirect(window()->internalWinId(), &info);
    } else

    {
        QPoint wOffset = qt_qwidget_data(widget)->wrect.topLeft();

        HDC widget_dc = widget->getDC();

        QRect wbr = br.translated(-wOffset);
        BitBlt(widget_dc, wbr.x(), wbr.y(), wbr.width(), wbr.height(),
               d->image->hdc, br.x() + offset.x(), br.y() + offset.y(), SRCCOPY);
        widget->releaseDC(widget_dc);
    }

#ifndef QT_NO_DEBUG
    static bool flush = !qgetenv("QT_FLUSH_WINDOWSURFACE").isEmpty();
    if (flush) {
        SelectObject(qt_win_display_dc(), GetStockObject(BLACK_BRUSH));
        Rectangle(qt_win_display_dc(), 0, 0, d->image->width() + 2, d->image->height() + 2);
        BitBlt(qt_win_display_dc(), 1, 1, d->image->width(), d->image->height(),
               d->image->hdc, 0, 0, SRCCOPY);
    }
#endif

#endif

#ifdef Q_WS_X11
    extern void *qt_getClipRects(const QRegion &r, int &num); // in qpaintengine_x11.cpp
    extern QWidgetData* qt_widget_data(QWidget *);
    QPoint wOffset = qt_qwidget_data(widget)->wrect.topLeft();

    if (widget->window() != window()) {
        XFreeGC(X11->display, d_ptr->gc);
        d_ptr->gc = XCreateGC(X11->display, widget->handle(), 0, 0);
    }

    QRegion wrgn(rgn);
    if (!wOffset.isNull())
        wrgn.translate(-wOffset);

    if (wrgn.rectCount() != 1) {
        int num;
        XRectangle *rects = (XRectangle *)qt_getClipRects(wrgn, num);
        XSetClipRectangles(X11->display, d_ptr->gc, 0, 0, rects, num, YXBanded);
    }

    QPoint widgetOffset = offset + wOffset;
    QRect clipRect = widget->rect().translated(widgetOffset).intersected(d_ptr->image->image.rect());

    QRect br = rgn.boundingRect().translated(offset).intersected(clipRect);
    QPoint wpos = br.topLeft() - widgetOffset;

#ifndef QT_NO_MITSHM
    if (d_ptr->image->xshmpm) {
        XCopyArea(X11->display, d_ptr->image->xshmpm, widget->handle(), d_ptr->gc,
                  br.x(), br.y(), br.width(), br.height(), wpos.x(), wpos.y());
        d_ptr->needsSync = true;
    } else if (d_ptr->image->xshmimg) {
        XShmPutImage(X11->display, widget->handle(), d_ptr->gc, d_ptr->image->xshmimg,
                     br.x(), br.y(), wpos.x(), wpos.y(), br.width(), br.height(), False);
        d_ptr->needsSync = true;
    } else
#endif
    {
        int depth = widget->x11Info().depth();
        const QImage &src = d->image->image;
        if (src.format() != QImage::Format_RGB32 || depth < 24 || X11->bppForDepth.value(depth) != 32) {
            Q_ASSERT(src.depth() >= 16);
            const QImage sub_src(src.scanLine(br.y()) + br.x() * (uint(src.depth()) / 8),
                                 br.width(), br.height(), src.bytesPerLine(), src.format());
            QX11PixmapData *data = new QX11PixmapData(QPixmapData::PixmapType);
            data->xinfo = widget->x11Info();
            data->fromImage(sub_src, Qt::NoOpaqueDetection);
            QPixmap pm = QPixmap(data);
            XCopyArea(X11->display, pm.handle(), widget->handle(), d_ptr->gc, 0 , 0 , br.width(), br.height(), wpos.x(), wpos.y());
        } else {
            // qpaintengine_x11.cpp
            extern void qt_x11_drawImage(const QRect &rect, const QPoint &pos, const QImage &image, Drawable hd, GC gc, Display *dpy, Visual *visual, int depth);
            qt_x11_drawImage(br, wpos, src, widget->handle(), d_ptr->gc, X11->display, (Visual *)widget->x11Info().visual(), depth);
        }
    }

    if (wrgn.rectCount() != 1)
        XSetClipMask(X11->display, d_ptr->gc, XNone);
#endif // FALCON

#ifdef Q_WS_MAC

    Q_UNUSED(offset);

    // This is mainly done for native components like native "open file" dialog.
    if (widget->testAttribute(Qt::WA_DontShowOnScreen)) {
        return;
    }

#ifdef QT_MAC_USE_COCOA

    this->needsFlush = true;
    this->regionToFlush += rgn;

    // The actual flushing will be processed in [view drawRect:rect]
    qt_mac_setNeedsDisplay(widget);

#else
    // Get a context for the widget.
    CGContextRef context;
    CGrafPtr port = GetWindowPort(qt_mac_window_for(widget));
    QDBeginCGContext(port, &context);
    CGContextRetain(context);
    CGContextSaveGState(context);

    // Flip context.
    CGContextTranslateCTM(context, 0, widget->height());
    CGContextScaleCTM(context, 1, -1);

    // Clip to region.
    const QVector<QRect> &rects = rgn.rects();
    for (int i = 0; i < rects.size(); ++i) {
        const QRect &rect = rects.at(i);
        CGContextAddRect(context, CGRectMake(rect.x(), rect.y(), rect.width(), rect.height()));
    }
    CGContextClip(context);

    QRect r = rgn.boundingRect().intersected(d->image->image.rect());
    const CGRect area = CGRectMake(r.x(), r.y(), r.width(), r.height());
    CGImageRef image = CGBitmapContextCreateImage(d->image->cg);
    CGImageRef subImage = CGImageCreateWithImageInRect(image, area);

    qt_mac_drawCGImage(context, &area, subImage);

    CGImageRelease(subImage);
    CGImageRelease(image);

    QDEndCGContext(port, &context);

    // Restore context.
    CGContextRestoreGState(context);
    CGContextRelease(context);
#endif // QT_MAC_USE_COCOA

#endif // Q_WS_MAC

}
コード例 #7
0
ファイル: qwindowsurface_raster.cpp プロジェクト: Fale/qtmoko
void QRasterWindowSurface::flush(QWidget *widget, const QRegion &rgn, const QPoint &offset)
{
    Q_D(QRasterWindowSurface);

    // Not ready for painting yet, bail out. This can happen in
    // QWidget::create_sys()
    if (!d->image)
        return;

#ifdef Q_WS_WIN
    QRect br = rgn.boundingRect();

#ifndef Q_OS_WINCE
    if (!qt_widget_private(window())->isOpaque && d->canUseLayeredWindow) {
        QRect r = window()->frameGeometry();
        QPoint frameOffset = qt_widget_private(window())->frameStrut().topLeft();
        QRect dirtyRect = br.translated(offset + frameOffset);

        SIZE size = {r.width(), r.height()};
        POINT ptDst = {r.x(), r.y()};
        POINT ptSrc = {0, 0};
        Q_BLENDFUNCTION blend = {AC_SRC_OVER, 0, (int)(255.0 * window()->windowOpacity()), Q_AC_SRC_ALPHA};
        RECT dirty = {dirtyRect.x(), dirtyRect.y(),
            dirtyRect.x() + dirtyRect.width(), dirtyRect.y() + dirtyRect.height()};
        Q_UPDATELAYEREDWINDOWINFO info = {sizeof(info), NULL, &ptDst, &size, d->image->hdc, &ptSrc, 0, &blend, Q_ULW_ALPHA, &dirty};

        (*ptrUpdateLayeredWindowIndirect)(window()->internalWinId(), &info);
    } else
#endif
    {
        QPoint wOffset = qt_qwidget_data(widget)->wrect.topLeft();

        HDC widget_dc = widget->getDC();

        QRect wbr = br.translated(-wOffset);
        BitBlt(widget_dc, wbr.x(), wbr.y(), wbr.width(), wbr.height(),
               d->image->hdc, br.x() + offset.x(), br.y() + offset.y(), SRCCOPY);
        widget->releaseDC(widget_dc);
    }

#ifndef QT_NO_DEBUG
    static bool flush = !qgetenv("QT_FLUSH_WINDOWSURFACE").isEmpty();
    if (flush) {
        SelectObject(qt_win_display_dc(), GetStockObject(BLACK_BRUSH));
        Rectangle(qt_win_display_dc(), 0, 0, d->image->width() + 2, d->image->height() + 2);
        BitBlt(qt_win_display_dc(), 1, 1, d->image->width(), d->image->height(),
               d->image->hdc, 0, 0, SRCCOPY);
    }
#endif

#endif

#ifdef Q_WS_X11
    extern void *qt_getClipRects(const QRegion &r, int &num); // in qpaintengine_x11.cpp
    extern QWidgetData* qt_widget_data(QWidget *);
    QPoint wOffset = qt_qwidget_data(widget)->wrect.topLeft();

    if (widget->window() != window()) {
        XFreeGC(X11->display, d_ptr->gc);
        d_ptr->gc = XCreateGC(X11->display, widget->handle(), 0, 0);
    }

    QRegion wrgn(rgn);
    if (!wOffset.isNull())
        wrgn.translate(-wOffset);
    QRect wbr = wrgn.boundingRect();

    int num;
    XRectangle *rects = (XRectangle *)qt_getClipRects(wrgn, num);
    XSetClipRectangles(X11->display, d_ptr->gc, 0, 0, rects, num, YXBanded);

    QRect br = rgn.boundingRect().translated(offset);
#ifndef QT_NO_MITSHM
    if (d_ptr->image->xshmpm) {
        XCopyArea(X11->display, d_ptr->image->xshmpm, widget->handle(), d_ptr->gc,
                  br.x(), br.y(), br.width(), br.height(), wbr.x(), wbr.y());
        XSync(X11->display, False);
    } else
#endif
    {
        const QImage &src = d->image->image;
        br = br.intersected(src.rect());
        if (src.format() != QImage::Format_RGB32) {
            QX11PixmapData *data = new QX11PixmapData(QPixmapData::PixmapType);
            data->xinfo = widget->x11Info();
            data->fromImage(src, Qt::AutoColor);
            QPixmap pm = QPixmap(data);
            XCopyArea(X11->display, pm.handle(), widget->handle(), d_ptr->gc, br.x() , br.y() , br.width(), br.height(), wbr.x(), wbr.y());
        } else {
            // qpaintengine_x11.cpp
            extern void qt_x11_drawImage(const QRect &rect, const QPoint &pos, const QImage &image, Drawable hd, GC gc, Display *dpy, Visual *visual, int depth);
            qt_x11_drawImage(br, wbr.topLeft(), src, widget->handle(), d_ptr->gc, X11->display, (Visual *)widget->x11Info().visual(), widget->x11Info().depth());
        }
    }
#endif // FALCON

#ifdef Q_WS_MAC

//     qDebug() << "Flushing" << widget << rgn << offset;

//     d->image->image.save("flush.png");

    // Get a context for the widget.
#ifndef QT_MAC_USE_COCOA
    CGContextRef context;
    CGrafPtr port = GetWindowPort(qt_mac_window_for(widget));
    QDBeginCGContext(port, &context);
#else
    extern CGContextRef qt_mac_graphicsContextFor(QWidget *);
    CGContextRef context = qt_mac_graphicsContextFor(widget);
#endif
    CGContextSaveGState(context);

    // Flip context.
    CGContextTranslateCTM(context, 0, widget->height());
    CGContextScaleCTM(context, 1, -1);

    // Clip to region.
    const QVector<QRect> &rects = rgn.rects();
    for (int i = 0; i < rects.size(); ++i) {
        const QRect &rect = rects.at(i);
        CGContextAddRect(context, CGRectMake(rect.x(), rect.y(), rect.width(), rect.height()));
    }
    CGContextClip(context);

    QRect r = rgn.boundingRect();
    const CGRect area = CGRectMake(r.x(), r.y(), r.width(), r.height());
    CGImageRef image = CGBitmapContextCreateImage(d->image->cg);
    CGImageRef subImage = CGImageCreateWithImageInRect(image, area);

    qt_mac_drawCGImage(context, &area, subImage);
    CGImageRelease(subImage);
    CGImageRelease(image);

//     CGSize size = { d->image->image.width(), d->image->image.height() };
//     CGLayerRef layer = CGLayerCreateWithContext(d->image->cg, size, 0);
//     CGPoint pt = { 0, 0 };
//     CGContextDrawLayerAtPoint(context, pt, layer);
//     CGLayerRelease(layer);

    // Restore context.
    CGContextRestoreGState(context);
#ifndef QT_MAC_USE_COCOA
    QDEndCGContext(port, &context);
#else
    CGContextFlush(context);
#endif
#endif
}