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/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkOpEdgeBuilder.h"
#include "SkPathOpsCommon.h"
bool TightBounds(const SkPath& path, SkRect* result) {
SkChunkAlloc allocator(4096); // FIXME: constant-ize, tune
SkOpContour contour;
SkOpGlobalState globalState( NULL PATH_OPS_DEBUG_PARAMS(&contour));
// turn path into list of segments
SkOpEdgeBuilder builder(path, &contour, &allocator, &globalState);
if (!builder.finish(&allocator)) {
return false;
}
SkTDArray<SkOpContour* > contourList;
MakeContourList(&contour, contourList, false, false);
SkOpContour** currentPtr = contourList.begin();
result->setEmpty();
if (!currentPtr) {
return true;
}
SkOpContour** listEnd = contourList.end();
SkOpContour* current = *currentPtr++;
SkPathOpsBounds bounds = current->bounds();
while (currentPtr != listEnd) {
current = *currentPtr++;
bounds.add(current->bounds());
}
*result = bounds;
return true;
}
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