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| 1 // Copyright (c) 2011 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.h" | |
| 6 | |
| 7 #include <gdk/gdk.h> | |
| 8 | |
| 9 #include "base/command_line.h" | |
| 10 #include "base/memory/scoped_ptr.h" | |
| 11 | |
| 12 #error "The GTK+ port will be deleted later this week. If you are seeing this, y
ou are trying to compile it. Please check your gyp flags for 'use_aura=0' and re
move them." | |
| 13 | |
| 14 namespace gfx { | |
| 15 | |
| 16 GdkRegion* Path::CreateNativeRegion() const { | |
| 17 int point_count = getPoints(NULL, 0); | |
| 18 if (point_count <= 1) { | |
| 19 // NOTE: ideally this would return gdk_empty_region, but that returns a | |
| 20 // region with nothing in it. | |
| 21 return NULL; | |
| 22 } | |
| 23 | |
| 24 scoped_ptr<SkPoint[]> points(new SkPoint[point_count]); | |
| 25 getPoints(points.get(), point_count); | |
| 26 | |
| 27 scoped_ptr<GdkPoint[]> gdk_points(new GdkPoint[point_count]); | |
| 28 for (int i = 0; i < point_count; ++i) { | |
| 29 gdk_points[i].x = SkScalarRoundToInt(points[i].fX); | |
| 30 gdk_points[i].y = SkScalarRoundToInt(points[i].fY); | |
| 31 } | |
| 32 | |
| 33 return gdk_region_polygon(gdk_points.get(), point_count, GDK_EVEN_ODD_RULE); | |
| 34 } | |
| 35 | |
| 36 // static | |
| 37 NativeRegion Path::IntersectRegions(NativeRegion r1, NativeRegion r2) { | |
| 38 GdkRegion* copy = gdk_region_copy(r1); | |
| 39 gdk_region_intersect(copy, r2); | |
| 40 return copy; | |
| 41 } | |
| 42 | |
| 43 // static | |
| 44 NativeRegion Path::CombineRegions(NativeRegion r1, NativeRegion r2) { | |
| 45 GdkRegion* copy = gdk_region_copy(r1); | |
| 46 gdk_region_union(copy, r2); | |
| 47 return copy; | |
| 48 } | |
| 49 | |
| 50 // static | |
| 51 NativeRegion Path::SubtractRegion(NativeRegion r1, NativeRegion r2) { | |
| 52 GdkRegion* copy = gdk_region_copy(r1); | |
| 53 gdk_region_subtract(copy, r2); | |
| 54 return copy; | |
| 55 } | |
| 56 | |
| 57 } // namespace gfx | |
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