blob: 685c4997140ad5887dca3d09b4925e428867c363 [file] [log] [blame] [edit]
/*
* Copyright 2019 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#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"
enum class SkClipOp;
SkPath SkClipStack_AsPath(const SkClipStack& cs) {
SkPath path;
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) {
operand = element->asDeviceSpacePath();
}
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 {
if (auto result = Op(path, operand, (SkPathOp)elementOp)) {
path = *result;
}
}
}
return path;
}