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// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "gfx/path.h"
#include "base/scoped_ptr.h"
namespace gfx {
HRGN Path::CreateNativeRegion() const {
int point_count = getPoints(NULL, 0);
scoped_array<SkPoint> points(new SkPoint[point_count]);
getPoints(points.get(), point_count);
scoped_array<POINT> windows_points(new POINT[point_count]);
for (int i = 0; i < point_count; ++i) {
windows_points[i].x = SkScalarRound(points[i].fX);
windows_points[i].y = SkScalarRound(points[i].fY);
}
return ::CreatePolygonRgn(windows_points.get(), point_count, ALTERNATE);
}
// static
NativeRegion Path::IntersectRegions(NativeRegion r1, NativeRegion r2) {
HRGN dest = CreateRectRgn(0, 0, 1, 1);
CombineRgn(dest, r1, r2, RGN_AND);
return dest;
}
// static
NativeRegion Path::CombineRegions(NativeRegion r1, NativeRegion r2) {
HRGN dest = CreateRectRgn(0, 0, 1, 1);
CombineRgn(dest, r1, r2, RGN_OR);
return dest;
}
// static
NativeRegion Path::SubtractRegion(NativeRegion r1, NativeRegion r2) {
HRGN dest = CreateRectRgn(0, 0, 1, 1);
CombineRgn(dest, r1, r2, RGN_DIFF);
return dest;
}
} // namespace gfx
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