mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
51 lines
1.6 KiB
C++
51 lines
1.6 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef GFX_QUAD_H
|
|
#define GFX_QUAD_H
|
|
|
|
#include "gfxTypes.h"
|
|
#include "gfxLineSegment.h"
|
|
#include <algorithm>
|
|
|
|
struct THEBES_API gfxQuad {
|
|
gfxQuad(const gfxPoint& aOne, const gfxPoint& aTwo, const gfxPoint& aThree, const gfxPoint& aFour)
|
|
{
|
|
mPoints[0] = aOne;
|
|
mPoints[1] = aTwo;
|
|
mPoints[2] = aThree;
|
|
mPoints[3] = aFour;
|
|
}
|
|
|
|
bool Contains(const gfxPoint& aPoint)
|
|
{
|
|
return (gfxLineSegment(mPoints[0], mPoints[1]).PointsOnSameSide(aPoint, mPoints[2]) &&
|
|
gfxLineSegment(mPoints[1], mPoints[2]).PointsOnSameSide(aPoint, mPoints[3]) &&
|
|
gfxLineSegment(mPoints[2], mPoints[3]).PointsOnSameSide(aPoint, mPoints[0]) &&
|
|
gfxLineSegment(mPoints[3], mPoints[0]).PointsOnSameSide(aPoint, mPoints[1]));
|
|
}
|
|
|
|
gfxRect GetBounds()
|
|
{
|
|
gfxFloat min_x, max_x;
|
|
gfxFloat min_y, max_y;
|
|
|
|
min_x = max_x = mPoints[0].x;
|
|
min_y = max_y = mPoints[0].y;
|
|
|
|
for (int i=1; i<4; i++) {
|
|
min_x = std::min(mPoints[i].x, min_x);
|
|
max_x = std::max(mPoints[i].x, max_x);
|
|
min_y = std::min(mPoints[i].y, min_y);
|
|
max_y = std::max(mPoints[i].y, max_y);
|
|
}
|
|
return gfxRect(min_x, min_y, max_x - min_x, max_y - min_y);
|
|
}
|
|
|
|
gfxPoint mPoints[4];
|
|
};
|
|
|
|
#endif /* GFX_QUAD_H */
|