PassOwnPtr<Shape> Shape::createShape(const BasicShape* basicShape, const LayoutSize& logicalBoxSize, WritingMode writingMode, float margin)
{
ASSERT(basicShape);
bool horizontalWritingMode = isHorizontalWritingMode(writingMode);
float boxWidth = horizontalWritingMode ? logicalBoxSize.width().toFloat() : logicalBoxSize.height().toFloat();
float boxHeight = horizontalWritingMode ? logicalBoxSize.height().toFloat() : logicalBoxSize.width().toFloat();
OwnPtr<Shape> shape;
switch (basicShape->type()) {
case BasicShape::BasicShapeCircleType: {
const BasicShapeCircle* circle = toBasicShapeCircle(basicShape);
FloatPoint center = floatPointForCenterCoordinate(circle->centerX(), circle->centerY(), FloatSize(boxWidth, boxHeight));
float radius = circle->floatValueForRadiusInBox(FloatSize(boxWidth, boxHeight));
FloatPoint logicalCenter = physicalPointToLogical(center, logicalBoxSize.height().toFloat(), writingMode);
shape = createCircleShape(logicalCenter, radius);
break;
}
case BasicShape::BasicShapeEllipseType: {
const BasicShapeEllipse* ellipse = toBasicShapeEllipse(basicShape);
FloatPoint center = floatPointForCenterCoordinate(ellipse->centerX(), ellipse->centerY(), FloatSize(boxWidth, boxHeight));
float radiusX = ellipse->floatValueForRadiusInBox(ellipse->radiusX(), center.x(), boxWidth);
float radiusY = ellipse->floatValueForRadiusInBox(ellipse->radiusY(), center.y(), boxHeight);
FloatPoint logicalCenter = physicalPointToLogical(center, logicalBoxSize.height().toFloat(), writingMode);
shape = createEllipseShape(logicalCenter, FloatSize(radiusX, radiusY));
break;
}
case BasicShape::BasicShapePolygonType: {
const BasicShapePolygon* polygon = toBasicShapePolygon(basicShape);
const Vector<Length>& values = polygon->values();
size_t valuesSize = values.size();
ASSERT(!(valuesSize % 2));
OwnPtr<Vector<FloatPoint>> vertices = adoptPtr(new Vector<FloatPoint>(valuesSize / 2));
for (unsigned i = 0; i < valuesSize; i += 2) {
FloatPoint vertex(
floatValueForLength(values.at(i), boxWidth),
floatValueForLength(values.at(i + 1), boxHeight));
(*vertices)[i / 2] = physicalPointToLogical(vertex, logicalBoxSize.height().toFloat(), writingMode);
}
shape = createPolygonShape(vertices.release(), polygon->windRule());
break;
}
case BasicShape::BasicShapeInsetType: {
const BasicShapeInset& inset = *toBasicShapeInset(basicShape);
float left = floatValueForLength(inset.left(), boxWidth);
float top = floatValueForLength(inset.top(), boxHeight);
float right = floatValueForLength(inset.right(), boxWidth);
float bottom = floatValueForLength(inset.bottom(), boxHeight);
FloatRect rect(left, top, std::max<float>(boxWidth - left - right, 0), std::max<float>(boxHeight - top - bottom, 0));
FloatRect logicalRect = physicalRectToLogical(rect, logicalBoxSize.height().toFloat(), writingMode);
FloatSize boxSize(boxWidth, boxHeight);
FloatSize topLeftRadius = physicalSizeToLogical(floatSizeForLengthSize(inset.topLeftRadius(), boxSize), writingMode);
FloatSize topRightRadius = physicalSizeToLogical(floatSizeForLengthSize(inset.topRightRadius(), boxSize), writingMode);
FloatSize bottomLeftRadius = physicalSizeToLogical(floatSizeForLengthSize(inset.bottomLeftRadius(), boxSize), writingMode);
FloatSize bottomRightRadius = physicalSizeToLogical(floatSizeForLengthSize(inset.bottomRightRadius(), boxSize), writingMode);
FloatRoundedRect::Radii cornerRadii(topLeftRadius, topRightRadius, bottomLeftRadius, bottomRightRadius);
FloatRoundedRect finalRect(logicalRect, cornerRadii);
finalRect.constrainRadii();
shape = createInsetShape(finalRect);
break;
}
default:
ASSERT_NOT_REACHED();
}
shape->m_writingMode = writingMode;
shape->m_margin = margin;
return shape.release();
}
std::unique_ptr<Shape> Shape::createShape(const BasicShape* basicShape, const LayoutSize& logicalBoxSize, WritingMode writingMode, float margin)
{
ASSERT(basicShape);
bool horizontalWritingMode = isHorizontalWritingMode(writingMode);
float boxWidth = horizontalWritingMode ? logicalBoxSize.width() : logicalBoxSize.height();
float boxHeight = horizontalWritingMode ? logicalBoxSize.height() : logicalBoxSize.width();
std::unique_ptr<Shape> shape;
switch (basicShape->type()) {
case BasicShape::BasicShapeCircleType: {
const BasicShapeCircle* circle = static_cast<const BasicShapeCircle*>(basicShape);
float centerX = floatValueForCenterCoordinate(circle->centerX(), boxWidth);
float centerY = floatValueForCenterCoordinate(circle->centerY(), boxHeight);
float radius = circle->floatValueForRadiusInBox(boxWidth, boxHeight);
FloatPoint logicalCenter = physicalPointToLogical(FloatPoint(centerX, centerY), logicalBoxSize.height(), writingMode);
shape = createCircleShape(logicalCenter, radius);
break;
}
case BasicShape::BasicShapeEllipseType: {
const BasicShapeEllipse* ellipse = static_cast<const BasicShapeEllipse*>(basicShape);
float centerX = floatValueForCenterCoordinate(ellipse->centerX(), boxWidth);
float centerY = floatValueForCenterCoordinate(ellipse->centerY(), boxHeight);
float radiusX = ellipse->floatValueForRadiusInBox(ellipse->radiusX(), centerX, boxWidth);
float radiusY = ellipse->floatValueForRadiusInBox(ellipse->radiusY(), centerY, boxHeight);
FloatPoint logicalCenter = physicalPointToLogical(FloatPoint(centerX, centerY), logicalBoxSize.height(), writingMode);
shape = createEllipseShape(logicalCenter, FloatSize(radiusX, radiusY));
break;
}
case BasicShape::BasicShapePolygonType: {
const BasicShapePolygon& polygon = *static_cast<const BasicShapePolygon*>(basicShape);
const Vector<Length>& values = polygon.values();
size_t valuesSize = values.size();
ASSERT(!(valuesSize % 2));
std::unique_ptr<Vector<FloatPoint>> vertices = std::make_unique<Vector<FloatPoint>>(valuesSize / 2);
for (unsigned i = 0; i < valuesSize; i += 2) {
FloatPoint vertex(
floatValueForLength(values.at(i), boxWidth),
floatValueForLength(values.at(i + 1), boxHeight));
(*vertices)[i / 2] = physicalPointToLogical(vertex, logicalBoxSize.height(), writingMode);
}
shape = createPolygonShape(WTF::move(vertices), polygon.windRule());
break;
}
case BasicShape::BasicShapeInsetType: {
const BasicShapeInset& inset = *static_cast<const BasicShapeInset*>(basicShape);
float left = floatValueForLength(inset.left(), boxWidth);
float top = floatValueForLength(inset.top(), boxHeight);
FloatRect rect(left,
top,
std::max<float>(boxWidth - left - floatValueForLength(inset.right(), boxWidth), 0),
std::max<float>(boxHeight - top - floatValueForLength(inset.bottom(), boxHeight), 0));
FloatRect logicalRect = physicalRectToLogical(rect, logicalBoxSize.height(), writingMode);
FloatSize boxSize(boxWidth, boxHeight);
FloatSize topLeftRadius = physicalSizeToLogical(floatSizeForLengthSize(inset.topLeftRadius(), boxSize), writingMode);
FloatSize topRightRadius = physicalSizeToLogical(floatSizeForLengthSize(inset.topRightRadius(), boxSize), writingMode);
FloatSize bottomLeftRadius = physicalSizeToLogical(floatSizeForLengthSize(inset.bottomLeftRadius(), boxSize), writingMode);
FloatSize bottomRightRadius = physicalSizeToLogical(floatSizeForLengthSize(inset.bottomRightRadius(), boxSize), writingMode);
FloatRoundedRect::Radii cornerRadii(topLeftRadius, topRightRadius, bottomLeftRadius, bottomRightRadius);
cornerRadii.scale(calcBorderRadiiConstraintScaleFor(logicalRect, cornerRadii));
shape = createInsetShape(FloatRoundedRect(logicalRect, cornerRadii));
break;
}
default:
ASSERT_NOT_REACHED();
}
shape->m_writingMode = writingMode;
shape->m_margin = margin;
return shape;
}
PassOwnPtr<Shape> Shape::createShape(const BasicShape* basicShape, const LayoutSize& logicalBoxSize, WritingMode writingMode, Length margin, Length padding)
{
ASSERT(basicShape);
bool horizontalWritingMode = isHorizontalWritingMode(writingMode);
float boxWidth = horizontalWritingMode ? logicalBoxSize.width() : logicalBoxSize.height();
float boxHeight = horizontalWritingMode ? logicalBoxSize.height() : logicalBoxSize.width();
OwnPtr<Shape> shape;
switch (basicShape->type()) {
case BasicShape::BasicShapeRectangleType: {
const BasicShapeRectangle* rectangle = static_cast<const BasicShapeRectangle*>(basicShape);
FloatRect bounds(
floatValueForLength(rectangle->x(), boxWidth),
floatValueForLength(rectangle->y(), boxHeight),
floatValueForLength(rectangle->width(), boxWidth),
floatValueForLength(rectangle->height(), boxHeight));
FloatSize cornerRadii(
floatValueForLength(rectangle->cornerRadiusX(), boxWidth),
floatValueForLength(rectangle->cornerRadiusY(), boxHeight));
ensureRadiiDoNotOverlap(bounds, cornerRadii);
FloatRect logicalBounds = physicalRectToLogical(bounds, logicalBoxSize.height(), writingMode);
shape = createRectangleShape(logicalBounds, physicalSizeToLogical(cornerRadii, writingMode));
break;
}
case BasicShape::BasicShapeCircleType: {
const BasicShapeCircle* circle = static_cast<const BasicShapeCircle*>(basicShape);
float centerX = floatValueForLength(circle->centerX(), boxWidth);
float centerY = floatValueForLength(circle->centerY(), boxHeight);
float radius = floatValueForLength(circle->radius(), sqrtf((boxWidth * boxWidth + boxHeight * boxHeight) / 2));
FloatPoint logicalCenter = physicalPointToLogical(FloatPoint(centerX, centerY), logicalBoxSize.height(), writingMode);
shape = createShapeCircle(logicalCenter, radius);
break;
}
case BasicShape::BasicShapeEllipseType: {
const BasicShapeEllipse* ellipse = static_cast<const BasicShapeEllipse*>(basicShape);
float centerX = floatValueForLength(ellipse->centerX(), boxWidth);
float centerY = floatValueForLength(ellipse->centerY(), boxHeight);
float radiusX = floatValueForLength(ellipse->radiusX(), boxWidth);
float radiusY = floatValueForLength(ellipse->radiusY(), boxHeight);
FloatPoint logicalCenter = physicalPointToLogical(FloatPoint(centerX, centerY), logicalBoxSize.height(), writingMode);
FloatSize logicalRadii = physicalSizeToLogical(FloatSize(radiusX, radiusY), writingMode);
shape = createShapeEllipse(logicalCenter, logicalRadii);
break;
}
case BasicShape::BasicShapePolygonType: {
const BasicShapePolygon* polygon = static_cast<const BasicShapePolygon*>(basicShape);
const Vector<Length>& values = polygon->values();
size_t valuesSize = values.size();
ASSERT(!(valuesSize % 2));
OwnPtr<Vector<FloatPoint> > vertices = adoptPtr(new Vector<FloatPoint>(valuesSize / 2));
for (unsigned i = 0; i < valuesSize; i += 2) {
FloatPoint vertex(
floatValueForLength(values.at(i), boxWidth),
floatValueForLength(values.at(i + 1), boxHeight));
(*vertices)[i / 2] = physicalPointToLogical(vertex, logicalBoxSize.height(), writingMode);
}
shape = createPolygonShape(vertices.release(), polygon->windRule());
break;
}
case BasicShape::BasicShapeInsetRectangleType: {
const BasicShapeInsetRectangle* rectangle = static_cast<const BasicShapeInsetRectangle*>(basicShape);
float left = floatValueForLength(rectangle->left(), boxWidth);
float top = floatValueForLength(rectangle->top(), boxHeight);
FloatRect bounds(
left,
top,
boxWidth - left - floatValueForLength(rectangle->right(), boxWidth),
boxHeight - top - floatValueForLength(rectangle->bottom(), boxHeight));
FloatSize cornerRadii(
floatValueForLength(rectangle->cornerRadiusX(), boxWidth),
floatValueForLength(rectangle->cornerRadiusY(), boxHeight));
ensureRadiiDoNotOverlap(bounds, cornerRadii);
FloatRect logicalBounds = physicalRectToLogical(bounds, logicalBoxSize.height(), writingMode);
shape = createRectangleShape(logicalBounds, physicalSizeToLogical(cornerRadii, writingMode));
break;
}
default:
ASSERT_NOT_REACHED();
}
shape->m_writingMode = writingMode;
shape->m_margin = floatValueForLength(margin, 0);
shape->m_padding = floatValueForLength(padding, 0);
return shape.release();
}
PassOwnPtr<ExclusionShape> ExclusionShape::createExclusionShape(const BasicShape* basicShape, float logicalBoxWidth, float logicalBoxHeight, WritingMode writingMode, Length margin, Length padding)
{
ASSERT(basicShape);
bool horizontalWritingMode = isHorizontalWritingMode(writingMode);
float boxWidth = horizontalWritingMode ? logicalBoxWidth : logicalBoxHeight;
float boxHeight = horizontalWritingMode ? logicalBoxHeight : logicalBoxWidth;
OwnPtr<ExclusionShape> exclusionShape;
switch (basicShape->type()) {
case BasicShape::BASIC_SHAPE_RECTANGLE: {
const BasicShapeRectangle* rectangle = static_cast<const BasicShapeRectangle*>(basicShape);
FloatRect bounds(
floatValueForLength(rectangle->x(), boxWidth),
floatValueForLength(rectangle->y(), boxHeight),
floatValueForLength(rectangle->width(), boxWidth),
floatValueForLength(rectangle->height(), boxHeight));
Length radiusXLength = rectangle->cornerRadiusX();
Length radiusYLength = rectangle->cornerRadiusY();
FloatSize cornerRadii(
radiusXLength.isUndefined() ? 0 : floatValueForLength(radiusXLength, boxWidth),
radiusYLength.isUndefined() ? 0 : floatValueForLength(radiusYLength, boxHeight));
FloatRect logicalBounds = physicalRectToLogical(bounds, logicalBoxHeight, writingMode);
exclusionShape = createExclusionRectangle(logicalBounds, physicalSizeToLogical(cornerRadii, writingMode));
break;
}
case BasicShape::BASIC_SHAPE_CIRCLE: {
const BasicShapeCircle* circle = static_cast<const BasicShapeCircle*>(basicShape);
float centerX = floatValueForLength(circle->centerX(), boxWidth);
float centerY = floatValueForLength(circle->centerY(), boxHeight);
float radius = floatValueForLength(circle->radius(), std::min(boxHeight, boxWidth));
FloatPoint logicalCenter = physicalPointToLogical(FloatPoint(centerX, centerY), logicalBoxHeight, writingMode);
exclusionShape = createExclusionCircle(logicalCenter, radius);
break;
}
case BasicShape::BASIC_SHAPE_ELLIPSE: {
const BasicShapeEllipse* ellipse = static_cast<const BasicShapeEllipse*>(basicShape);
float centerX = floatValueForLength(ellipse->centerX(), boxWidth);
float centerY = floatValueForLength(ellipse->centerY(), boxHeight);
float radiusX = floatValueForLength(ellipse->radiusX(), boxWidth);
float radiusY = floatValueForLength(ellipse->radiusY(), boxHeight);
FloatPoint logicalCenter = physicalPointToLogical(FloatPoint(centerX, centerY), logicalBoxHeight, writingMode);
FloatSize logicalRadii = physicalSizeToLogical(FloatSize(radiusX, radiusY), writingMode);
exclusionShape = createExclusionEllipse(logicalCenter, logicalRadii);
break;
}
case BasicShape::BASIC_SHAPE_POLYGON: {
const BasicShapePolygon* polygon = static_cast<const BasicShapePolygon*>(basicShape);
const Vector<Length>& values = polygon->values();
size_t valuesSize = values.size();
ASSERT(!(valuesSize % 2));
Vector<FloatPoint>* vertices = new Vector<FloatPoint>(valuesSize / 2);
for (unsigned i = 0; i < valuesSize; i += 2) {
FloatPoint vertex(
floatValueForLength(values.at(i), boxWidth),
floatValueForLength(values.at(i + 1), boxHeight));
(*vertices)[i / 2] = physicalPointToLogical(vertex, logicalBoxHeight, writingMode);
}
exclusionShape = createExclusionPolygon(adoptPtr(vertices), polygon->windRule());
break;
}
default:
ASSERT_NOT_REACHED();
}
exclusionShape->m_logicalBoxWidth = logicalBoxWidth;
exclusionShape->m_logicalBoxHeight = logicalBoxHeight;
exclusionShape->m_writingMode = writingMode;
exclusionShape->m_margin = floatValueForLength(margin, 0);
exclusionShape->m_padding = floatValueForLength(padding, 0);
return exclusionShape.release();
}