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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 <gdk/gdk.h>
#include "base/scoped_ptr.h"
#include "base/command_line.h"
namespace gfx {
GdkRegion* Path::CreateNativeRegion() const {
int point_count = getPoints(NULL, 0);
if (point_count <= 1) {
// NOTE: ideally this would return gdk_empty_region, but that returns a
// region with nothing in it.
return NULL;
}
scoped_array<SkPoint> points(new SkPoint[point_count]);
getPoints(points.get(), point_count);
scoped_array<GdkPoint> gdk_points(new GdkPoint[point_count]);
for (int i = 0; i < point_count; ++i) {
gdk_points[i].x = SkScalarRound(points[i].fX);
gdk_points[i].y = SkScalarRound(points[i].fY);
}
return gdk_region_polygon(gdk_points.get(), point_count, GDK_EVEN_ODD_RULE);
}
// static
NativeRegion Path::IntersectRegions(NativeRegion r1, NativeRegion r2) {
GdkRegion* copy = gdk_region_copy(r1);
gdk_region_intersect(copy, r2);
return copy;
}
// static
NativeRegion Path::CombineRegions(NativeRegion r1, NativeRegion r2) {
GdkRegion* copy = gdk_region_copy(r1);
gdk_region_union(copy, r2);
return copy;
}
// static
NativeRegion Path::SubtractRegion(NativeRegion r1, NativeRegion r2) {
GdkRegion* copy = gdk_region_copy(r1);
gdk_region_subtract(copy, r2);
return copy;
}
} // namespace gfx
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