gfx/thebes/gfxQuad.h@97036ab72558 (annotated)
gfx/thebes/gfxQuad.h
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- |
| michael@0 | 2 | * This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #ifndef GFX_QUAD_H |
| michael@0 | 7 | #define GFX_QUAD_H |
| michael@0 | 8 | |
| michael@0 | 9 | #include "gfxTypes.h" |
| michael@0 | 10 | #include "gfxRect.h" |
| michael@0 | 11 | #include "gfxLineSegment.h" |
| michael@0 | 12 | #include <algorithm> |
| michael@0 | 13 | |
| michael@0 | 14 | struct gfxQuad { |
| michael@0 | 15 | gfxQuad(const gfxPoint& aOne, const gfxPoint& aTwo, const gfxPoint& aThree, const gfxPoint& aFour) |
| michael@0 | 16 | { |
| michael@0 | 17 | mPoints[0] = aOne; |
| michael@0 | 18 | mPoints[1] = aTwo; |
| michael@0 | 19 | mPoints[2] = aThree; |
| michael@0 | 20 | mPoints[3] = aFour; |
| michael@0 | 21 | } |
| michael@0 | 22 | |
| michael@0 | 23 | bool Contains(const gfxPoint& aPoint) |
| michael@0 | 24 | { |
| michael@0 | 25 | return (gfxLineSegment(mPoints[0], mPoints[1]).PointsOnSameSide(aPoint, mPoints[2]) && |
| michael@0 | 26 | gfxLineSegment(mPoints[1], mPoints[2]).PointsOnSameSide(aPoint, mPoints[3]) && |
| michael@0 | 27 | gfxLineSegment(mPoints[2], mPoints[3]).PointsOnSameSide(aPoint, mPoints[0]) && |
| michael@0 | 28 | gfxLineSegment(mPoints[3], mPoints[0]).PointsOnSameSide(aPoint, mPoints[1])); |
| michael@0 | 29 | } |
| michael@0 | 30 | |
| michael@0 | 31 | gfxRect GetBounds() |
| michael@0 | 32 | { |
| michael@0 | 33 | gfxFloat min_x, max_x; |
| michael@0 | 34 | gfxFloat min_y, max_y; |
| michael@0 | 35 | |
| michael@0 | 36 | min_x = max_x = mPoints[0].x; |
| michael@0 | 37 | min_y = max_y = mPoints[0].y; |
| michael@0 | 38 | |
| michael@0 | 39 | for (int i=1; i<4; i++) { |
| michael@0 | 40 | min_x = std::min(mPoints[i].x, min_x); |
| michael@0 | 41 | max_x = std::max(mPoints[i].x, max_x); |
| michael@0 | 42 | min_y = std::min(mPoints[i].y, min_y); |
| michael@0 | 43 | max_y = std::max(mPoints[i].y, max_y); |
| michael@0 | 44 | } |
| michael@0 | 45 | return gfxRect(min_x, min_y, max_x - min_x, max_y - min_y); |
| michael@0 | 46 | } |
| michael@0 | 47 | |
| michael@0 | 48 | gfxPoint mPoints[4]; |
| michael@0 | 49 | }; |
| michael@0 | 50 | |
| michael@0 | 51 | #endif /* GFX_QUAD_H */ |
