gfx/src/nsTransform2D.cpp

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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
michael@0 7 #include "nsTransform2D.h"
michael@0 8
michael@0 9 void nsTransform2D :: TransformCoord(nscoord *ptX, nscoord *ptY) const
michael@0 10 {
michael@0 11 *ptX = NSToCoordRound(*ptX * m00 + m20);
michael@0 12 *ptY = NSToCoordRound(*ptY * m11 + m21);
michael@0 13 }
michael@0 14
michael@0 15 void nsTransform2D :: TransformCoord(nscoord *aX, nscoord *aY, nscoord *aWidth, nscoord *aHeight) const
michael@0 16 {
michael@0 17 nscoord x2 = *aX + *aWidth;
michael@0 18 nscoord y2 = *aY + *aHeight;
michael@0 19 TransformCoord(aX, aY);
michael@0 20 TransformCoord(&x2, &y2);
michael@0 21 *aWidth = x2 - *aX;
michael@0 22 *aHeight = y2 - *aY;
michael@0 23 }

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