bool VertexPair::overlapsRect(const FloatRect& rect) const
{
bool boundsOverlap = (minX() < rect.maxX()) && (maxX() > rect.x()) && (minY() < rect.maxY()) && (maxY() > rect.y());
if (!boundsOverlap)
return false;
float leftSideValues[4] = {
leftSide(vertex1(), vertex2(), rect.minXMinYCorner()),
leftSide(vertex1(), vertex2(), rect.maxXMinYCorner()),
leftSide(vertex1(), vertex2(), rect.minXMaxYCorner()),
leftSide(vertex1(), vertex2(), rect.maxXMaxYCorner())
};
int currentLeftSideSign = 0;
for (unsigned i = 0; i < 4; ++i) {
if (!leftSideValues[i])
continue;
int leftSideSign = leftSideValues[i] > 0 ? 1 : -1;
if (!currentLeftSideSign)
currentLeftSideSign = leftSideSign;
else if (currentLeftSideSign != leftSideSign)
return true;
}
return false;
}
Optional<FloatPoint> RenderCombineText::computeTextOrigin(const FloatRect& boxRect) const
{
if (!m_isCombined)
return Nullopt;
// Visually center m_combinedTextWidth/Ascent/Descent within boxRect
FloatPoint result = boxRect.minXMaxYCorner();
FloatSize combinedTextSize(m_combinedTextWidth, m_combinedTextAscent + m_combinedTextDescent);
result.move((boxRect.size().transposedSize() - combinedTextSize) / 2);
result.move(0, m_combinedTextAscent);
return result;
}
void PlatformCALayer::drawRepaintIndicator(CGContextRef context, PlatformCALayer* platformCALayer, int repaintCount, CGColorRef customBackgroundColor)
{
char text[16]; // that's a lot of repaints
snprintf(text, sizeof(text), "%d", repaintCount);
FloatRect indicatorBox = platformCALayer->bounds();\
indicatorBox.setLocation( { 1, 1 } );
indicatorBox.setSize(FloatSize(12 + 10 * strlen(text), 27));
CGContextStateSaver stateSaver(context);
CGContextSetAlpha(context, 0.5f);
CGContextBeginTransparencyLayerWithRect(context, indicatorBox, 0);
if (customBackgroundColor)
CGContextSetFillColorWithColor(context, customBackgroundColor);
else
CGContextSetRGBFillColor(context, 0, 0.5f, 0.25f, 1);
if (platformCALayer->isOpaque())
CGContextFillRect(context, indicatorBox);
else {
Path boundsPath;
boundsPath.moveTo(indicatorBox.maxXMinYCorner());
boundsPath.addLineTo(indicatorBox.maxXMaxYCorner());
boundsPath.addLineTo(indicatorBox.minXMaxYCorner());
const float cornerChunk = 8;
boundsPath.addLineTo(FloatPoint(indicatorBox.x(), indicatorBox.y() + cornerChunk));
boundsPath.addLineTo(FloatPoint(indicatorBox.x() + cornerChunk, indicatorBox.y()));
boundsPath.closeSubpath();
CGContextAddPath(context, boundsPath.platformPath());
CGContextFillPath(context);
}
if (platformCALayer->owner()->isUsingDisplayListDrawing(platformCALayer)) {
CGContextSetRGBStrokeColor(context, 0, 0, 0, 0.65);
CGContextSetLineWidth(context, 2);
CGContextStrokeRect(context, indicatorBox);
}
if (platformCALayer->acceleratesDrawing())
CGContextSetRGBFillColor(context, 1, 0, 0, 1);
else
CGContextSetRGBFillColor(context, 1, 1, 1, 1);
platformCALayer->drawTextAtPoint(context, indicatorBox.x() + 5, indicatorBox.y() + 22, CGSizeMake(1, -1), 22, text, strlen(text));
CGContextEndTransparencyLayer(context);
}
static FloatPointGraph::Polygon edgesForRect(FloatRect rect, FloatPointGraph& graph)
{
auto minMin = graph.findOrCreateNode(rect.minXMinYCorner());
auto minMax = graph.findOrCreateNode(rect.minXMaxYCorner());
auto maxMax = graph.findOrCreateNode(rect.maxXMaxYCorner());
auto maxMin = graph.findOrCreateNode(rect.maxXMinYCorner());
return FloatPointGraph::Polygon({
std::make_pair(minMin, maxMin),
std::make_pair(maxMin, maxMax),
std::make_pair(maxMax, minMax),
std::make_pair(minMax, minMin)
});
}
