SkClipStackUtils.cpp File Reference

#include "src/utils/SkClipStackUtils.h"
#include "include/core/SkPath.h"
#include "include/core/SkPathTypes.h"
#include "include/pathops/SkPathOps.h"
#include "src/core/SkClipStack.h"

Go to the source code of this file.

Functions
void	SkClipStack_AsPath (const SkClipStack &cs, SkPath *path)

Function Documentation

SkClipStack_AsPath()

void SkClipStack_AsPath	(	const SkClipStack &	cs,
		SkPath *	path
	)

Definition at line 17 of file SkClipStackUtils.cpp.

                                                             {
    path->reset();
    path->setFillType(SkPathFillType::kInverseEvenOdd);
 
    SkClipStack::Iter iter(cs, SkClipStack::Iter::kBottom_IterStart);
    while (const SkClipStack::Element* element = iter.next()) {
        if (element->getDeviceSpaceType() == SkClipStack::Element::DeviceSpaceType::kShader) {
            // TODO: Handle DeviceSpaceType::kShader somehow; it can't be turned into an SkPath
            // but perhaps the pdf backend can apply shaders in another way.
            continue;
        }
        SkPath operand;
        if (element->getDeviceSpaceType() != SkClipStack::Element::DeviceSpaceType::kEmpty) {
            element->asDeviceSpacePath(&operand);
        }
 
        SkClipOp elementOp = element->getOp();
        if (element->isReplaceOp()) {
            *path = operand;
            // TODO: Once expanding clip ops are removed, we can switch the iterator to be top
            // to bottom, which allows us to break here on encountering a replace op.
        } else {
            Op(*path, operand, (SkPathOp)elementOp, path);
        }
    }
}