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->colorCount() < 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;
}
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->colorCount();
} else {
int sn = QApplication::desktop()->screenNumber(rootPart->view());
numColors = QApplication::desktop()->screen(sn)->colorCount();
}
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;
}
