gfx/src/nsTransform2D.cpp

branch
TOR_BUG_9701
changeset 15
b8a032363ba2
equal deleted inserted replaced
-1:000000000000 0:c3eb9d150b1a
1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
5
6
7 #include "nsTransform2D.h"
8
9 void nsTransform2D :: TransformCoord(nscoord *ptX, nscoord *ptY) const
10 {
11 *ptX = NSToCoordRound(*ptX * m00 + m20);
12 *ptY = NSToCoordRound(*ptY * m11 + m21);
13 }
14
15 void nsTransform2D :: TransformCoord(nscoord *aX, nscoord *aY, nscoord *aWidth, nscoord *aHeight) const
16 {
17 nscoord x2 = *aX + *aWidth;
18 nscoord y2 = *aY + *aHeight;
19 TransformCoord(aX, aY);
20 TransformCoord(&x2, &y2);
21 *aWidth = x2 - *aX;
22 *aHeight = y2 - *aY;
23 }

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