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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/. */
#include "mozilla/dom/DOMQuad.h"
#include <algorithm>
#include "mozilla/FloatingPoint.h"
#include "mozilla/MacroForEach.h"
#include "mozilla/dom/BindingDeclarations.h"
#include "mozilla/dom/DOMPoint.h"
#include "mozilla/dom/DOMQuadBinding.h"
#include "mozilla/dom/DOMRect.h"
#include "mozilla/dom/DOMRectBinding.h"
#include "mozilla/gfx/BasePoint.h"
#include "mozilla/gfx/MatrixFwd.h"
#include "nsIGlobalObject.h"
using namespace mozilla;
using namespace mozilla::dom;
using namespace mozilla::gfx;
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(DOMQuad, mParent, mPoints[0], mPoints[1],
mPoints[2], mPoints[3])
DOMQuad::DOMQuad(nsISupports* aParent, CSSPoint aPoints[4]) : mParent(aParent) {
for (uint32_t i = 0; i < 4; ++i) {
mPoints[i] = new DOMPoint(aParent, aPoints[i].x, aPoints[i].y);
}
}
DOMQuad::DOMQuad(nsISupports* aParent) : mParent(aParent) {}
DOMQuad::~DOMQuad() = default;
JSObject* DOMQuad::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return DOMQuad_Binding::Wrap(aCx, this, aGivenProto);
}
already_AddRefed<DOMQuad> DOMQuad::FromRect(const GlobalObject& aGlobal,
const DOMRectInit& aInit) {
nsISupports* parent = aGlobal.GetAsSupports();
RefPtr<DOMQuad> obj = new DOMQuad(parent);
obj->mPoints[0] = new DOMPoint(parent, aInit.mX, aInit.mY, 0, 1);
obj->mPoints[1] =
new DOMPoint(parent, aInit.mX + aInit.mWidth, aInit.mY, 0, 1);
obj->mPoints[2] = new DOMPoint(parent, aInit.mX + aInit.mWidth,
aInit.mY + aInit.mHeight, 0, 1);
obj->mPoints[3] =
new DOMPoint(parent, aInit.mX, aInit.mY + aInit.mHeight, 0, 1);
return obj.forget();
}
already_AddRefed<DOMQuad> DOMQuad::FromQuad(const GlobalObject& aGlobal,
const DOMQuadInit& aInit) {
RefPtr<DOMQuad> obj = new DOMQuad(aGlobal.GetAsSupports());
obj->mPoints[0] = DOMPoint::FromPoint(aGlobal, aInit.mP1);
obj->mPoints[1] = DOMPoint::FromPoint(aGlobal, aInit.mP2);
obj->mPoints[2] = DOMPoint::FromPoint(aGlobal, aInit.mP3);
obj->mPoints[3] = DOMPoint::FromPoint(aGlobal, aInit.mP4);
return obj.forget();
}
already_AddRefed<DOMQuad> DOMQuad::Constructor(const GlobalObject& aGlobal,
const DOMPointInit& aP1,
const DOMPointInit& aP2,
const DOMPointInit& aP3,
const DOMPointInit& aP4) {
RefPtr<DOMQuad> obj = new DOMQuad(aGlobal.GetAsSupports());
obj->mPoints[0] = DOMPoint::FromPoint(aGlobal, aP1);
obj->mPoints[1] = DOMPoint::FromPoint(aGlobal, aP2);
obj->mPoints[2] = DOMPoint::FromPoint(aGlobal, aP3);
obj->mPoints[3] = DOMPoint::FromPoint(aGlobal, aP4);
return obj.forget();
}
already_AddRefed<DOMQuad> DOMQuad::Constructor(const GlobalObject& aGlobal,
const DOMRectReadOnly& aRect) {
CSSPoint points[4];
Float x = aRect.X(), y = aRect.Y(), w = aRect.Width(), h = aRect.Height();
points[0] = CSSPoint(x, y);
points[1] = CSSPoint(x + w, y);
points[2] = CSSPoint(x + w, y + h);
points[3] = CSSPoint(x, y + h);
RefPtr<DOMQuad> obj = new DOMQuad(aGlobal.GetAsSupports(), points);
return obj.forget();
}
void DOMQuad::GetHorizontalMinMax(double* aX1, double* aX2) const {
double x1, x2;
x1 = x2 = Point(0)->X();
for (uint32_t i = 1; i < 4; ++i) {
double x = Point(i)->X();
x1 = NaNSafeMin(x1, x);
x2 = NaNSafeMax(x2, x);
}
*aX1 = x1;
*aX2 = x2;
}
void DOMQuad::GetVerticalMinMax(double* aY1, double* aY2) const {
double y1, y2;
y1 = y2 = Point(0)->Y();
for (uint32_t i = 1; i < 4; ++i) {
double y = Point(i)->Y();
y1 = NaNSafeMin(y1, y);
y2 = NaNSafeMax(y2, y);
}
*aY1 = y1;
*aY2 = y2;
}
already_AddRefed<DOMRectReadOnly> DOMQuad::GetBounds() const {
double x1, x2;
double y1, y2;
GetHorizontalMinMax(&x1, &x2);
GetVerticalMinMax(&y1, &y2);
RefPtr<DOMRectReadOnly> rval =
new DOMRectReadOnly(GetParentObject(), x1, y1, x2 - x1, y2 - y1);
return rval.forget();
}
// https://drafts.fxtf.org/geometry/#structured-serialization
bool DOMQuad::WriteStructuredClone(JSContext* aCx,
JSStructuredCloneWriter* aWriter) const {
for (const auto& point : mPoints) {
if (!point->WriteStructuredClone(aCx, aWriter)) {
return false;
}
}
return true;
}
// static
already_AddRefed<DOMQuad> DOMQuad::ReadStructuredClone(
JSContext* aCx, nsIGlobalObject* aGlobal,
JSStructuredCloneReader* aReader) {
RefPtr<DOMQuad> quad = new DOMQuad(aGlobal);
for (auto& point : quad->mPoints) {
point = DOMPoint::ReadStructuredClone(aCx, aGlobal, aReader);
if (!point) {
return nullptr;
}
}
return quad.forget();
}
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