mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-11-03 19:05:35 +00:00
71 lines
2.1 KiB
C
71 lines
2.1 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_POINT_H
|
|
#define GFX_POINT_H
|
|
|
|
#include "nsMathUtils.h"
|
|
#include "mozilla/gfx/BaseSize.h"
|
|
#include "mozilla/gfx/BasePoint.h"
|
|
#include "mozilla/gfx/Matrix.h"
|
|
#include "nsSize.h"
|
|
#include "nsPoint.h"
|
|
|
|
#include "gfxTypes.h"
|
|
|
|
struct gfxSize : public mozilla::gfx::BaseSize<gfxFloat, gfxSize> {
|
|
typedef mozilla::gfx::BaseSize<gfxFloat, gfxSize> Super;
|
|
|
|
gfxSize() : Super() {}
|
|
gfxSize(gfxFloat aWidth, gfxFloat aHeight) : Super(aWidth, aHeight) {}
|
|
MOZ_IMPLICIT gfxSize(const mozilla::gfx::IntSize& aSize) : Super(aSize.width, aSize.height) {}
|
|
};
|
|
|
|
struct gfxPoint : public mozilla::gfx::BasePoint<gfxFloat, gfxPoint> {
|
|
typedef mozilla::gfx::BasePoint<gfxFloat, gfxPoint> Super;
|
|
|
|
gfxPoint() : Super() {}
|
|
gfxPoint(gfxFloat aX, gfxFloat aY) : Super(aX, aY) {}
|
|
MOZ_IMPLICIT gfxPoint(const nsIntPoint& aPoint) : Super(aPoint.x, aPoint.y) {}
|
|
|
|
bool WithinEpsilonOf(const gfxPoint& aPoint, gfxFloat aEpsilon) {
|
|
return fabs(aPoint.x - x) < aEpsilon && fabs(aPoint.y - y) < aEpsilon;
|
|
}
|
|
|
|
void Transform(const mozilla::gfx::Matrix4x4 &aMatrix)
|
|
{
|
|
// Transform this point with aMatrix
|
|
double px = x;
|
|
double py = y;
|
|
|
|
x = px * aMatrix._11 + py * aMatrix._21 + aMatrix._41;
|
|
y = px * aMatrix._12 + py * aMatrix._22 + aMatrix._42;
|
|
|
|
double w = px * aMatrix._14 + py * aMatrix._24 + aMatrix._44;
|
|
x /= w;
|
|
y /= w;
|
|
}
|
|
};
|
|
|
|
inline gfxPoint
|
|
operator*(const gfxPoint& aPoint, const gfxSize& aSize)
|
|
{
|
|
return gfxPoint(aPoint.x * aSize.width, aPoint.y * aSize.height);
|
|
}
|
|
|
|
inline gfxPoint
|
|
operator/(const gfxPoint& aPoint, const gfxSize& aSize)
|
|
{
|
|
return gfxPoint(aPoint.x / aSize.width, aPoint.y / aSize.height);
|
|
}
|
|
|
|
inline gfxSize
|
|
operator/(gfxFloat aValue, const gfxSize& aSize)
|
|
{
|
|
return gfxSize(aValue / aSize.width, aValue / aSize.height);
|
|
}
|
|
|
|
#endif /* GFX_POINT_H */
|