gfx/src/nsTransform2D.cpp

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.

     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/. */
     7 #include "nsTransform2D.h"
     9 void nsTransform2D :: TransformCoord(nscoord *ptX, nscoord *ptY) const
    10 {
    11   *ptX = NSToCoordRound(*ptX * m00 + m20);
    12   *ptY = NSToCoordRound(*ptY * m11 + m21);
    13 }
    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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