The Tor Browser: gfx/thebes/gfxPoint.h@97036ab72558

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: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-

     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/. */

     6 #ifndef GFX_POINT_H

     7 #define GFX_POINT_H

     9 #include "nsMathUtils.h"

    10 #include "mozilla/gfx/BaseSize.h"

    11 #include "mozilla/gfx/BasePoint.h"

    12 #include "nsSize.h"

    13 #include "nsPoint.h"

    15 #include "gfxTypes.h"

    17 struct gfxSize : public mozilla::gfx::BaseSize<gfxFloat, gfxSize> {

    18     typedef mozilla::gfx::BaseSize<gfxFloat, gfxSize> Super;

    20     gfxSize() : Super() {}

    21     gfxSize(gfxFloat aWidth, gfxFloat aHeight) : Super(aWidth, aHeight) {}

    22     gfxSize(const nsIntSize& aSize) : Super(aSize.width, aSize.height) {}

    23 };

    25 struct gfxPoint : public mozilla::gfx::BasePoint<gfxFloat, gfxPoint> {

    26     typedef mozilla::gfx::BasePoint<gfxFloat, gfxPoint> Super;

    28     gfxPoint() : Super() {}

    29     gfxPoint(gfxFloat aX, gfxFloat aY) : Super(aX, aY) {}

    30     gfxPoint(const nsIntPoint& aPoint) : Super(aPoint.x, aPoint.y) {}

    32     bool WithinEpsilonOf(const gfxPoint& aPoint, gfxFloat aEpsilon) {

    33         return fabs(aPoint.x - x) < aEpsilon && fabs(aPoint.y - y) < aEpsilon;

    34     }

    35 };

    37 inline gfxPoint

    38 operator*(const gfxPoint& aPoint, const gfxSize& aSize)

    39 {

    40   return gfxPoint(aPoint.x * aSize.width, aPoint.y * aSize.height);

    41 }

    43 inline gfxPoint

    44 operator/(const gfxPoint& aPoint, const gfxSize& aSize)

    45 {

    46   return gfxPoint(aPoint.x / aSize.width, aPoint.y / aSize.height);

    47 }

    49 inline gfxSize

    50 operator/(gfxFloat aValue, const gfxSize& aSize)

    51 {

    52   return gfxSize(aValue / aSize.width, aValue / aSize.height);

    53 }

    55 #endif /* GFX_POINT_H */

The Tor Browser / file revision

gfx/thebes/gfxPoint.h@97036ab72558

gfx/thebes/gfxPoint.h