예제 #1
0
static bool monochromeMediaFeatureEval(CSSValueImpl* value, RenderStyle*, KHTMLPart* part,  MediaFeaturePrefix op)
{
    KHTMLPart* rootPart = part;
    while (rootPart->parentPart()) rootPart = rootPart->parentPart();
    DOM::DocumentImpl *doc =  static_cast<DOM::DocumentImpl*>(rootPart->document().handle());
    QPaintDevice *pd = doc->paintDevice(); 
    bool printing = pd ? (pd->devType() == QInternal::Printer) : false;
    int depth = 0;
    if (printing) {
        if (pd->numColors() < 2)
            depth = 1;
        // assume printer is either b&w or color.
    } else {
        int sn = QApplication::desktop()->screenNumber( rootPart->view() );
        if (QApplication::desktop()->screen(sn)->depth() == 1)
            depth = 1;
        else if (QColormap::instance(sn).mode() == QColormap::Gray)
            depth = QApplication::desktop()->screen(sn)->depth();
    }
    if (value)
    {
        float number = 0;
        return numberValue(value, number) && compareValue(depth, static_cast<int>(number), op);
    }
    return depth;
}
예제 #2
0
static bool color_indexMediaFeatureEval(CSSValueImpl* value, RenderStyle*, KHTMLPart* part,  MediaFeaturePrefix op)
{
    KHTMLPart* rootPart = part;
    while (rootPart->parentPart()) rootPart = rootPart->parentPart();
    DOM::DocumentImpl *doc =  static_cast<DOM::DocumentImpl*>(rootPart->document().handle());
    QPaintDevice *pd = doc->paintDevice(); 
    bool printing = pd ? (pd->devType() == QInternal::Printer) : false;
    unsigned int numColors = 0;
    if (printing) {
        numColors = pd->numColors();
    } else {
        int sn = QApplication::desktop()->screenNumber( rootPart->view() );
        numColors = QApplication::desktop()->screen(sn)->numColors();
    }
    if (numColors == INT_MAX)
        numColors = UINT_MAX;
    if (value)
    {
        float number = 0;
        return numberValue(value, number) && compareValue(numColors, static_cast<unsigned int>(number), op);
    }

    return numColors;
}