/* 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/SVGMatrix.h"
#include <math.h>
#include "mozilla/dom/DOMMatrix.h"
#include "mozilla/dom/SVGMatrixBinding.h"
#include "nsError.h"
namespace mozilla::dom {
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(SVGMatrix, mTransform)
DOMSVGTransform* SVGMatrix::GetParentObject()
const {
return mTransform; }
JSObject* SVGMatrix::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return SVGMatrix_Binding::Wrap(aCx,
this, aGivenProto);
}
void SVGMatrix::SetA(
float aA, ErrorResult& aRv) {
if (IsAnimVal()) {
aRv.ThrowNoModificationAllowedError(
"Animated values cannot be set");
return;
}
gfxMatrix mx = GetMatrix();
mx._
11 = aA;
SetMatrix(mx);
}
void SVGMatrix::SetB(
float aB, ErrorResult& aRv) {
if (IsAnimVal()) {
aRv.ThrowNoModificationAllowedError(
"Animated values cannot be set");
return;
}
gfxMatrix mx = GetMatrix();
mx._
12 = aB;
SetMatrix(mx);
}
void SVGMatrix::SetC(
float aC, ErrorResult& aRv) {
if (IsAnimVal()) {
aRv.ThrowNoModificationAllowedError(
"Animated values cannot be set");
return;
}
gfxMatrix mx = GetMatrix();
mx._
21 = aC;
SetMatrix(mx);
}
void SVGMatrix::SetD(
float aD, ErrorResult& aRv) {
if (IsAnimVal()) {
aRv.ThrowNoModificationAllowedError(
"Animated values cannot be set");
return;
}
gfxMatrix mx = GetMatrix();
mx._
22 = aD;
SetMatrix(mx);
}
void SVGMatrix::SetE(
float aE, ErrorResult& aRv) {
if (IsAnimVal()) {
aRv.ThrowNoModificationAllowedError(
"Animated values cannot be set");
return;
}
gfxMatrix mx = GetMatrix();
mx._
31 = aE;
SetMatrix(mx);
}
void SVGMatrix::SetF(
float aF, ErrorResult& aRv) {
if (IsAnimVal()) {
aRv.ThrowNoModificationAllowedError(
"Animated values cannot be set");
return;
}
gfxMatrix mx = GetMatrix();
mx._
32 = aF;
SetMatrix(mx);
}
already_AddRefed<SVGMatrix> SVGMatrix::Multiply(
const DOMMatrix2DInit& aMatrix,
ErrorResult& aRv) {
auto matrix2D = DOMMatrixReadOnly::ToValidatedMatrixDouble(aMatrix, aRv);
if (aRv.Failed()) {
return nullptr;
}
if (!matrix2D.IsFinite()) {
aRv.ThrowTypeError<MSG_NOT_FINITE>(
"SVGMatrix::Multiply matrix");
return nullptr;
}
return MakeAndAddRef<SVGMatrix>(matrix2D * GetMatrix());
}
already_AddRefed<SVGMatrix> SVGMatrix::Inverse(ErrorResult& aRv) {
gfxMatrix mat = GetMatrix();
if (!mat.Invert()) {
aRv.ThrowInvalidStateError(
"Matrix is not invertible");
return nullptr;
}
return MakeAndAddRef<SVGMatrix>(mat);
}
already_AddRefed<SVGMatrix> SVGMatrix::Translate(
float x,
float y) {
return MakeAndAddRef<SVGMatrix>(
gfxMatrix(GetMatrix()).PreTranslate(gfxPoint(x, y)));
}
already_AddRefed<SVGMatrix> SVGMatrix::Scale(
float scaleFactor) {
return ScaleNonUniform(scaleFactor, scaleFactor);
}
already_AddRefed<SVGMatrix> SVGMatrix::ScaleNonUniform(
float scaleFactorX,
float scaleFactorY) {
return MakeAndAddRef<SVGMatrix>(
gfxMatrix(GetMatrix()).PreScale(scaleFactorX, scaleFactorY));
}
already_AddRefed<SVGMatrix> SVGMatrix::Rotate(
float angle) {
return MakeAndAddRef<SVGMatrix>(
gfxMatrix(GetMatrix()).PreRotate(angle * kRadPerDegree));
}
already_AddRefed<SVGMatrix> SVGMatrix::RotateFromVector(
float x,
float y,
ErrorResult& aRv) {
if (x ==
0.
0 || y ==
0.
0) {
aRv.ThrowInvalidAccessError(
"Neither input parameter may be zero");
return nullptr;
}
return MakeAndAddRef<SVGMatrix>(
gfxMatrix(GetMatrix()).PreRotate(atan2(y, x)));
}
already_AddRefed<SVGMatrix> SVGMatrix::FlipX() {
const gfxMatrix& mx = GetMatrix();
return MakeAndAddRef<SVGMatrix>(
gfxMatrix(-mx._
11, -mx._
12, mx._
21, mx._
22, mx._
31, mx._
32));
}
already_AddRefed<SVGMatrix> SVGMatrix::FlipY() {
const gfxMatrix& mx = GetMatrix();
return MakeAndAddRef<SVGMatrix>(
gfxMatrix(mx._
11, mx._
12, -mx._
21, -mx._
22, mx._
31, mx._
32));
}
already_AddRefed<SVGMatrix> SVGMatrix::SkewX(
float angle, ErrorResult& aRv) {
double ta = tan(angle * kRadPerDegree);
if (!std::isfinite(ta)) {
aRv.ThrowInvalidAccessError(
"Invalid angle");
return nullptr;
}
const gfxMatrix& mx = GetMatrix();
gfxMatrix skewMx(mx._
11, mx._
12, mx._
21 + mx._
11 * ta, mx._
22 + mx._
12 * ta,
mx._
31, mx._
32);
return MakeAndAddRef<SVGMatrix>(skewMx);
}
already_AddRefed<SVGMatrix> SVGMatrix::SkewY(
float angle, ErrorResult& aRv) {
double ta = tan(angle * kRadPerDegree);
if (!std::isfinite(ta)) {
aRv.ThrowInvalidAccessError(
"Invalid angle");
return nullptr;
}
const gfxMatrix& mx = GetMatrix();
gfxMatrix skewMx(mx._
11 + mx._
21 * ta, mx._
12 + mx._
22 * ta, mx._
21, mx._
22,
mx._
31, mx._
32);
return MakeAndAddRef<SVGMatrix>(skewMx);
}
}
// namespace mozilla::dom