15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2011 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gfx/path.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <gdk/gdk.h> 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/command_line.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/memory/scoped_ptr.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace gfx { 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)GdkRegion* Path::CreateNativeRegion() const { 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int point_count = getPoints(NULL, 0); 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (point_count <= 1) { 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // NOTE: ideally this would return gdk_empty_region, but that returns a 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // region with nothing in it. 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return NULL; 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_ptr<SkPoint[]> points(new SkPoint[point_count]); 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) getPoints(points.get(), point_count); 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) scoped_ptr<GdkPoint[]> gdk_points(new GdkPoint[point_count]); 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) for (int i = 0; i < point_count; ++i) { 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gdk_points[i].x = SkScalarRound(points[i].fX); 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gdk_points[i].y = SkScalarRound(points[i].fY); 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return gdk_region_polygon(gdk_points.get(), point_count, GDK_EVEN_ODD_RULE); 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NativeRegion Path::IntersectRegions(NativeRegion r1, NativeRegion r2) { 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GdkRegion* copy = gdk_region_copy(r1); 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gdk_region_intersect(copy, r2); 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return copy; 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NativeRegion Path::CombineRegions(NativeRegion r1, NativeRegion r2) { 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GdkRegion* copy = gdk_region_copy(r1); 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gdk_region_union(copy, r2); 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return copy; 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)NativeRegion Path::SubtractRegion(NativeRegion r1, NativeRegion r2) { 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) GdkRegion* copy = gdk_region_copy(r1); 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gdk_region_subtract(copy, r2); 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return copy; 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace gfx 56