1// Copyright 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "ui/gfx/path_x11.h"
6
7#include <X11/Xlib.h>
8#include <X11/Xregion.h>
9#include <X11/Xutil.h>
10
11#include "base/memory/scoped_ptr.h"
12#include "third_party/skia/include/core/SkRegion.h"
13#include "ui/gfx/path.h"
14
15namespace gfx {
16
17Region CreateRegionFromSkRegion(const SkRegion& region) {
18  Region result = XCreateRegion();
19
20  for (SkRegion::Iterator i(region); !i.done(); i.next()) {
21    XRectangle rect;
22    rect.x = i.rect().x();
23    rect.y = i.rect().y();
24    rect.width = i.rect().width();
25    rect.height = i.rect().height();
26    XUnionRectWithRegion(&rect, result, result);
27  }
28
29  return result;
30}
31
32Region CreateRegionFromSkPath(const SkPath& path) {
33  int point_count = path.getPoints(NULL, 0);
34  scoped_ptr<SkPoint[]> points(new SkPoint[point_count]);
35  path.getPoints(points.get(), point_count);
36  scoped_ptr<XPoint[]> x11_points(new XPoint[point_count]);
37  for (int i = 0; i < point_count; ++i) {
38    x11_points[i].x = SkScalarRoundToInt(points[i].fX);
39    x11_points[i].y = SkScalarRoundToInt(points[i].fY);
40  }
41
42  return XPolygonRegion(x11_points.get(), point_count, EvenOddRule);
43}
44
45}  // namespace gfx
46