The Tor Browser: gfx/thebes/gfxQuad.h@6474c204b198

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

     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_QUAD_H

     7 #define GFX_QUAD_H

     9 #include "gfxTypes.h"

    10 #include "gfxRect.h"

    11 #include "gfxLineSegment.h"

    12 #include <algorithm>

    14 struct gfxQuad {

    15     gfxQuad(const gfxPoint& aOne, const gfxPoint& aTwo, const gfxPoint& aThree, const gfxPoint& aFour)

    16     {

    17         mPoints[0] = aOne;

    18         mPoints[1] = aTwo;

    19         mPoints[2] = aThree;

    20         mPoints[3] = aFour;

    21     }

    23     bool Contains(const gfxPoint& aPoint)

    24     {

    25         return (gfxLineSegment(mPoints[0], mPoints[1]).PointsOnSameSide(aPoint, mPoints[2]) &&

    26                 gfxLineSegment(mPoints[1], mPoints[2]).PointsOnSameSide(aPoint, mPoints[3]) &&

    27                 gfxLineSegment(mPoints[2], mPoints[3]).PointsOnSameSide(aPoint, mPoints[0]) &&

    28                 gfxLineSegment(mPoints[3], mPoints[0]).PointsOnSameSide(aPoint, mPoints[1]));

    29     }

    31     gfxRect GetBounds()

    32     {

    33         gfxFloat min_x, max_x;

    34         gfxFloat min_y, max_y;

    36         min_x = max_x = mPoints[0].x;

    37         min_y = max_y = mPoints[0].y;

    39         for (int i=1; i<4; i++) {

    40           min_x = std::min(mPoints[i].x, min_x);

    41           max_x = std::max(mPoints[i].x, max_x);

    42           min_y = std::min(mPoints[i].y, min_y);

    43           max_y = std::max(mPoints[i].y, max_y);

    44         }

    45         return gfxRect(min_x, min_y, max_x - min_x, max_y - min_y);

    46     }

    48     gfxPoint mPoints[4];

    49 };

    51 #endif /* GFX_QUAD_H */

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