gecko-dev/gfx/src/RegionBuilder.h

33 строки
716 B
C++

/* This Source Code Form is subject to the terms of the Mozilla Public
* * License, v. 2.0. If a copy of the MPL was not distributed with this
* * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef RegionBuilder_h__
#define RegionBuilder_h__
#include <nsTArray.h>
template <typename RegionType>
class RegionBuilder
{
public:
typedef typename RegionType::RectType RectType;
RegionBuilder()
{}
void Or(const RectType& aRect) {
pixman_box32_t box = { aRect.x, aRect.y, aRect.XMost(), aRect.YMost() };
mRects.AppendElement(box);
}
RegionType ToRegion() const {
return RegionType(mRects);
}
private:
nsTArray<pixman_box32_t> mRects;
};
#endif // RegionBuilder_h__