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-rw-r--r--dom/base/DOMMatrix.cpp1027
1 files changed, 1027 insertions, 0 deletions
diff --git a/dom/base/DOMMatrix.cpp b/dom/base/DOMMatrix.cpp
new file mode 100644
index 0000000000..4723940bae
--- /dev/null
+++ b/dom/base/DOMMatrix.cpp
@@ -0,0 +1,1027 @@
+/* -*- 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/DOMMatrix.h"
+
+#include <cmath>
+#include <cstdint>
+#include <new>
+#include "ErrorList.h"
+#include "js/Conversions.h"
+#include "js/Equality.h"
+#include "js/StructuredClone.h"
+#include "js/Value.h"
+#include "mozilla/Casting.h"
+#include "mozilla/ErrorResult.h"
+#include "mozilla/FloatingPoint.h"
+#include "mozilla/MacroForEach.h"
+#include "mozilla/RefPtr.h"
+#include "mozilla/ServoCSSParser.h"
+#include "mozilla/dom/BindingDeclarations.h"
+#include "mozilla/dom/DOMMatrixBinding.h"
+#include "mozilla/dom/DOMPoint.h"
+#include "mozilla/dom/DOMPointBinding.h"
+#include "mozilla/dom/ToJSValue.h"
+#include "mozilla/gfx/BasePoint.h"
+#include "mozilla/gfx/BasePoint4D.h"
+#include "mozilla/gfx/Point.h"
+#include "nsIGlobalObject.h"
+#include "nsPIDOMWindow.h"
+#include "nsString.h"
+#include "nsStringFlags.h"
+#include "nsTArray.h"
+#include "nsTLiteralString.h"
+
+namespace mozilla::dom {
+
+template <typename T>
+static void SetDataInMatrix(DOMMatrixReadOnly* aMatrix, const T* aData,
+ int aLength, ErrorResult& aRv);
+
+static const double radPerDegree = 2.0 * M_PI / 360.0;
+
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(DOMMatrixReadOnly, mParent)
+
+JSObject* DOMMatrixReadOnly::WrapObject(JSContext* aCx,
+ JS::Handle<JSObject*> aGivenProto) {
+ return DOMMatrixReadOnly_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+// https://drafts.fxtf.org/geometry/#matrix-validate-and-fixup-2d
+static bool ValidateAndFixupMatrix2DInit(DOMMatrix2DInit& aMatrixInit,
+ ErrorResult& aRv) {
+#define ValidateAliases(field, alias, fieldName, aliasName) \
+ if ((field).WasPassed() && (alias).WasPassed() && \
+ !JS::SameValueZero((field).Value(), (alias).Value())) { \
+ aRv.ThrowTypeError<MSG_MATRIX_INIT_CONFLICTING_VALUE>((fieldName), \
+ (aliasName)); \
+ return false; \
+ }
+#define SetFromAliasOrDefault(field, alias, defaultValue) \
+ if (!(field).WasPassed()) { \
+ if ((alias).WasPassed()) { \
+ (field).Construct((alias).Value()); \
+ } else { \
+ (field).Construct(defaultValue); \
+ } \
+ }
+#define ValidateAndSet(field, alias, fieldName, aliasName, defaultValue) \
+ ValidateAliases((field), (alias), fieldName, aliasName); \
+ SetFromAliasOrDefault((field), (alias), (defaultValue));
+
+ ValidateAndSet(aMatrixInit.mM11, aMatrixInit.mA, "m11", "a", 1);
+ ValidateAndSet(aMatrixInit.mM12, aMatrixInit.mB, "m12", "b", 0);
+ ValidateAndSet(aMatrixInit.mM21, aMatrixInit.mC, "m21", "c", 0);
+ ValidateAndSet(aMatrixInit.mM22, aMatrixInit.mD, "m22", "d", 1);
+ ValidateAndSet(aMatrixInit.mM41, aMatrixInit.mE, "m41", "e", 0);
+ ValidateAndSet(aMatrixInit.mM42, aMatrixInit.mF, "m42", "f", 0);
+
+ return true;
+
+#undef ValidateAliases
+#undef SetFromAliasOrDefault
+#undef ValidateAndSet
+}
+
+// https://drafts.fxtf.org/geometry/#matrix-validate-and-fixup
+static bool ValidateAndFixupMatrixInit(DOMMatrixInit& aMatrixInit,
+ ErrorResult& aRv) {
+#define Check3DField(field, fieldName, defaultValue) \
+ if ((field) != (defaultValue)) { \
+ if (!aMatrixInit.mIs2D.WasPassed()) { \
+ aMatrixInit.mIs2D.Construct(false); \
+ return true; \
+ } \
+ if (aMatrixInit.mIs2D.Value()) { \
+ aRv.ThrowTypeError<MSG_MATRIX_INIT_EXCEEDS_2D>(fieldName); \
+ return false; \
+ } \
+ }
+
+ if (!ValidateAndFixupMatrix2DInit(aMatrixInit, aRv)) {
+ return false;
+ }
+
+ Check3DField(aMatrixInit.mM13, "m13", 0);
+ Check3DField(aMatrixInit.mM14, "m14", 0);
+ Check3DField(aMatrixInit.mM23, "m23", 0);
+ Check3DField(aMatrixInit.mM24, "m24", 0);
+ Check3DField(aMatrixInit.mM31, "m31", 0);
+ Check3DField(aMatrixInit.mM32, "m32", 0);
+ Check3DField(aMatrixInit.mM34, "m34", 0);
+ Check3DField(aMatrixInit.mM43, "m43", 0);
+ Check3DField(aMatrixInit.mM33, "m33", 1);
+ Check3DField(aMatrixInit.mM44, "m44", 1);
+
+ if (!aMatrixInit.mIs2D.WasPassed()) {
+ aMatrixInit.mIs2D.Construct(true);
+ }
+ return true;
+
+#undef Check3DField
+}
+
+void DOMMatrixReadOnly::SetDataFromMatrix2DInit(
+ const DOMMatrix2DInit& aMatrixInit) {
+ MOZ_ASSERT(Is2D());
+ mMatrix2D->_11 = aMatrixInit.mM11.Value();
+ mMatrix2D->_12 = aMatrixInit.mM12.Value();
+ mMatrix2D->_21 = aMatrixInit.mM21.Value();
+ mMatrix2D->_22 = aMatrixInit.mM22.Value();
+ mMatrix2D->_31 = aMatrixInit.mM41.Value();
+ mMatrix2D->_32 = aMatrixInit.mM42.Value();
+}
+
+void DOMMatrixReadOnly::SetDataFromMatrixInit(
+ const DOMMatrixInit& aMatrixInit) {
+ const bool is2D = aMatrixInit.mIs2D.Value();
+ MOZ_ASSERT(is2D == Is2D());
+ if (is2D) {
+ SetDataFromMatrix2DInit(aMatrixInit);
+ } else {
+ mMatrix3D->_11 = aMatrixInit.mM11.Value();
+ mMatrix3D->_12 = aMatrixInit.mM12.Value();
+ mMatrix3D->_13 = aMatrixInit.mM13;
+ mMatrix3D->_14 = aMatrixInit.mM14;
+ mMatrix3D->_21 = aMatrixInit.mM21.Value();
+ mMatrix3D->_22 = aMatrixInit.mM22.Value();
+ mMatrix3D->_23 = aMatrixInit.mM23;
+ mMatrix3D->_24 = aMatrixInit.mM24;
+ mMatrix3D->_31 = aMatrixInit.mM31;
+ mMatrix3D->_32 = aMatrixInit.mM32;
+ mMatrix3D->_33 = aMatrixInit.mM33;
+ mMatrix3D->_34 = aMatrixInit.mM34;
+ mMatrix3D->_41 = aMatrixInit.mM41.Value();
+ mMatrix3D->_42 = aMatrixInit.mM42.Value();
+ mMatrix3D->_43 = aMatrixInit.mM43;
+ mMatrix3D->_44 = aMatrixInit.mM44;
+ }
+}
+
+already_AddRefed<DOMMatrixReadOnly> DOMMatrixReadOnly::FromMatrix(
+ nsISupports* aParent, const DOMMatrix2DInit& aMatrixInit,
+ ErrorResult& aRv) {
+ DOMMatrix2DInit matrixInit(aMatrixInit);
+ if (!ValidateAndFixupMatrix2DInit(matrixInit, aRv)) {
+ return nullptr;
+ };
+
+ RefPtr<DOMMatrixReadOnly> matrix =
+ new DOMMatrixReadOnly(aParent, /* is2D */ true);
+ matrix->SetDataFromMatrix2DInit(matrixInit);
+ return matrix.forget();
+}
+
+already_AddRefed<DOMMatrixReadOnly> DOMMatrixReadOnly::FromMatrix(
+ nsISupports* aParent, const DOMMatrixInit& aMatrixInit, ErrorResult& aRv) {
+ DOMMatrixInit matrixInit(aMatrixInit);
+ if (!ValidateAndFixupMatrixInit(matrixInit, aRv)) {
+ return nullptr;
+ };
+
+ RefPtr<DOMMatrixReadOnly> rval =
+ new DOMMatrixReadOnly(aParent, matrixInit.mIs2D.Value());
+ rval->SetDataFromMatrixInit(matrixInit);
+ return rval.forget();
+}
+
+already_AddRefed<DOMMatrixReadOnly> DOMMatrixReadOnly::FromMatrix(
+ const GlobalObject& aGlobal, const DOMMatrixInit& aMatrixInit,
+ ErrorResult& aRv) {
+ RefPtr<DOMMatrixReadOnly> matrix =
+ FromMatrix(aGlobal.GetAsSupports(), aMatrixInit, aRv);
+ return matrix.forget();
+}
+
+already_AddRefed<DOMMatrixReadOnly> DOMMatrixReadOnly::FromFloat32Array(
+ const GlobalObject& aGlobal, const Float32Array& aArray32,
+ ErrorResult& aRv) {
+ aArray32.ComputeState();
+
+ const int length = aArray32.Length();
+ const bool is2D = length == 6;
+ RefPtr<DOMMatrixReadOnly> obj =
+ new DOMMatrixReadOnly(aGlobal.GetAsSupports(), is2D);
+ SetDataInMatrix(obj, aArray32.Data(), length, aRv);
+
+ return obj.forget();
+}
+
+already_AddRefed<DOMMatrixReadOnly> DOMMatrixReadOnly::FromFloat64Array(
+ const GlobalObject& aGlobal, const Float64Array& aArray64,
+ ErrorResult& aRv) {
+ aArray64.ComputeState();
+
+ const int length = aArray64.Length();
+ const bool is2D = length == 6;
+ RefPtr<DOMMatrixReadOnly> obj =
+ new DOMMatrixReadOnly(aGlobal.GetAsSupports(), is2D);
+ SetDataInMatrix(obj, aArray64.Data(), length, aRv);
+
+ return obj.forget();
+}
+
+already_AddRefed<DOMMatrixReadOnly> DOMMatrixReadOnly::Constructor(
+ const GlobalObject& aGlobal,
+ const Optional<UTF8StringOrUnrestrictedDoubleSequenceOrDOMMatrixReadOnly>&
+ aArg,
+ ErrorResult& aRv) {
+ if (!aArg.WasPassed()) {
+ RefPtr<DOMMatrixReadOnly> rval =
+ new DOMMatrixReadOnly(aGlobal.GetAsSupports());
+ return rval.forget();
+ }
+
+ const auto& arg = aArg.Value();
+ if (arg.IsUTF8String()) {
+ nsCOMPtr<nsPIDOMWindowInner> win =
+ do_QueryInterface(aGlobal.GetAsSupports());
+ if (!win) {
+ aRv.ThrowTypeError<MSG_ILLEGAL_CONSTRUCTOR>();
+ return nullptr;
+ }
+ RefPtr<DOMMatrixReadOnly> rval =
+ new DOMMatrixReadOnly(aGlobal.GetAsSupports());
+ rval->SetMatrixValue(arg.GetAsUTF8String(), aRv);
+ return rval.forget();
+ }
+ if (arg.IsDOMMatrixReadOnly()) {
+ RefPtr<DOMMatrixReadOnly> obj = new DOMMatrixReadOnly(
+ aGlobal.GetAsSupports(), arg.GetAsDOMMatrixReadOnly());
+ return obj.forget();
+ }
+
+ const auto& sequence = arg.GetAsUnrestrictedDoubleSequence();
+ const int length = sequence.Length();
+ const bool is2D = length == 6;
+ RefPtr<DOMMatrixReadOnly> rval =
+ new DOMMatrixReadOnly(aGlobal.GetAsSupports(), is2D);
+ SetDataInMatrix(rval, sequence.Elements(), length, aRv);
+ return rval.forget();
+}
+
+already_AddRefed<DOMMatrixReadOnly> DOMMatrixReadOnly::ReadStructuredClone(
+ JSContext* aCx, nsIGlobalObject* aGlobal,
+ JSStructuredCloneReader* aReader) {
+ uint8_t is2D;
+
+ if (!JS_ReadBytes(aReader, &is2D, 1)) {
+ return nullptr;
+ }
+
+ RefPtr<DOMMatrixReadOnly> rval = new DOMMatrixReadOnly(aGlobal, is2D);
+
+ if (!ReadStructuredCloneElements(aReader, rval)) {
+ return nullptr;
+ };
+
+ return rval.forget();
+}
+
+already_AddRefed<DOMMatrix> DOMMatrixReadOnly::Translate(double aTx, double aTy,
+ double aTz) const {
+ RefPtr<DOMMatrix> retval = new DOMMatrix(mParent, *this);
+ retval->TranslateSelf(aTx, aTy, aTz);
+
+ return retval.forget();
+}
+
+already_AddRefed<DOMMatrix> DOMMatrixReadOnly::Scale(
+ double aScaleX, const Optional<double>& aScaleY, double aScaleZ,
+ double aOriginX, double aOriginY, double aOriginZ) const {
+ RefPtr<DOMMatrix> retval = new DOMMatrix(mParent, *this);
+ retval->ScaleSelf(aScaleX, aScaleY, aScaleZ, aOriginX, aOriginY, aOriginZ);
+
+ return retval.forget();
+}
+
+already_AddRefed<DOMMatrix> DOMMatrixReadOnly::Scale3d(double aScale,
+ double aOriginX,
+ double aOriginY,
+ double aOriginZ) const {
+ RefPtr<DOMMatrix> retval = new DOMMatrix(mParent, *this);
+ retval->Scale3dSelf(aScale, aOriginX, aOriginY, aOriginZ);
+
+ return retval.forget();
+}
+
+already_AddRefed<DOMMatrix> DOMMatrixReadOnly::ScaleNonUniform(
+ double aScaleX, double aScaleY) const {
+ RefPtr<DOMMatrix> retval = new DOMMatrix(mParent, *this);
+ retval->ScaleSelf(aScaleX, Optional<double>(aScaleY), 1, 0, 0, 0);
+
+ return retval.forget();
+}
+
+already_AddRefed<DOMMatrix> DOMMatrixReadOnly::Rotate(
+ double aRotX, const Optional<double>& aRotY,
+ const Optional<double>& aRotZ) const {
+ RefPtr<DOMMatrix> retval = new DOMMatrix(mParent, *this);
+ retval->RotateSelf(aRotX, aRotY, aRotZ);
+
+ return retval.forget();
+}
+
+already_AddRefed<DOMMatrix> DOMMatrixReadOnly::RotateFromVector(
+ double x, double y) const {
+ RefPtr<DOMMatrix> retval = new DOMMatrix(mParent, *this);
+ retval->RotateFromVectorSelf(x, y);
+
+ return retval.forget();
+}
+
+already_AddRefed<DOMMatrix> DOMMatrixReadOnly::RotateAxisAngle(
+ double aX, double aY, double aZ, double aAngle) const {
+ RefPtr<DOMMatrix> retval = new DOMMatrix(mParent, *this);
+ retval->RotateAxisAngleSelf(aX, aY, aZ, aAngle);
+
+ return retval.forget();
+}
+
+already_AddRefed<DOMMatrix> DOMMatrixReadOnly::SkewX(double aSx) const {
+ RefPtr<DOMMatrix> retval = new DOMMatrix(mParent, *this);
+ retval->SkewXSelf(aSx);
+
+ return retval.forget();
+}
+
+already_AddRefed<DOMMatrix> DOMMatrixReadOnly::SkewY(double aSy) const {
+ RefPtr<DOMMatrix> retval = new DOMMatrix(mParent, *this);
+ retval->SkewYSelf(aSy);
+
+ return retval.forget();
+}
+
+already_AddRefed<DOMMatrix> DOMMatrixReadOnly::Multiply(
+ const DOMMatrixInit& other, ErrorResult& aRv) const {
+ RefPtr<DOMMatrix> retval = new DOMMatrix(mParent, *this);
+ retval->MultiplySelf(other, aRv);
+
+ return retval.forget();
+}
+
+already_AddRefed<DOMMatrix> DOMMatrixReadOnly::FlipX() const {
+ RefPtr<DOMMatrix> retval = new DOMMatrix(mParent, *this);
+ if (mMatrix3D) {
+ gfx::Matrix4x4Double m;
+ m._11 = -1;
+ retval->mMatrix3D = MakeUnique<gfx::Matrix4x4Double>(m * *mMatrix3D);
+ } else {
+ gfx::MatrixDouble m;
+ m._11 = -1;
+ retval->mMatrix2D =
+ MakeUnique<gfx::MatrixDouble>(mMatrix2D ? m * *mMatrix2D : m);
+ }
+
+ return retval.forget();
+}
+
+already_AddRefed<DOMMatrix> DOMMatrixReadOnly::FlipY() const {
+ RefPtr<DOMMatrix> retval = new DOMMatrix(mParent, *this);
+ if (mMatrix3D) {
+ gfx::Matrix4x4Double m;
+ m._22 = -1;
+ retval->mMatrix3D = MakeUnique<gfx::Matrix4x4Double>(m * *mMatrix3D);
+ } else {
+ gfx::MatrixDouble m;
+ m._22 = -1;
+ retval->mMatrix2D =
+ MakeUnique<gfx::MatrixDouble>(mMatrix2D ? m * *mMatrix2D : m);
+ }
+
+ return retval.forget();
+}
+
+already_AddRefed<DOMMatrix> DOMMatrixReadOnly::Inverse() const {
+ RefPtr<DOMMatrix> retval = new DOMMatrix(mParent, *this);
+ retval->InvertSelf();
+
+ return retval.forget();
+}
+
+bool DOMMatrixReadOnly::Is2D() const { return !mMatrix3D; }
+
+bool DOMMatrixReadOnly::IsIdentity() const {
+ if (mMatrix3D) {
+ return mMatrix3D->IsIdentity();
+ }
+
+ return mMatrix2D->IsIdentity();
+}
+
+already_AddRefed<DOMPoint> DOMMatrixReadOnly::TransformPoint(
+ const DOMPointInit& point) const {
+ RefPtr<DOMPoint> retval = new DOMPoint(mParent);
+
+ if (mMatrix3D) {
+ gfx::Point4D transformedPoint;
+ transformedPoint.x = point.mX;
+ transformedPoint.y = point.mY;
+ transformedPoint.z = point.mZ;
+ transformedPoint.w = point.mW;
+
+ transformedPoint = mMatrix3D->TransformPoint(transformedPoint);
+
+ retval->SetX(transformedPoint.x);
+ retval->SetY(transformedPoint.y);
+ retval->SetZ(transformedPoint.z);
+ retval->SetW(transformedPoint.w);
+ } else if (point.mZ != 0 || point.mW != 1.0) {
+ gfx::Matrix4x4Double tempMatrix(gfx::Matrix4x4Double::From2D(*mMatrix2D));
+
+ gfx::PointDouble4D transformedPoint;
+ transformedPoint.x = point.mX;
+ transformedPoint.y = point.mY;
+ transformedPoint.z = point.mZ;
+ transformedPoint.w = point.mW;
+
+ transformedPoint = tempMatrix.TransformPoint(transformedPoint);
+
+ retval->SetX(transformedPoint.x);
+ retval->SetY(transformedPoint.y);
+ retval->SetZ(transformedPoint.z);
+ retval->SetW(transformedPoint.w);
+ } else {
+ gfx::PointDouble transformedPoint;
+ transformedPoint.x = point.mX;
+ transformedPoint.y = point.mY;
+
+ transformedPoint = mMatrix2D->TransformPoint(transformedPoint);
+
+ retval->SetX(transformedPoint.x);
+ retval->SetY(transformedPoint.y);
+ retval->SetZ(point.mZ);
+ retval->SetW(point.mW);
+ }
+ return retval.forget();
+}
+
+template <typename T>
+void GetDataFromMatrix(const DOMMatrixReadOnly* aMatrix, T* aData) {
+ aData[0] = static_cast<T>(aMatrix->M11());
+ aData[1] = static_cast<T>(aMatrix->M12());
+ aData[2] = static_cast<T>(aMatrix->M13());
+ aData[3] = static_cast<T>(aMatrix->M14());
+ aData[4] = static_cast<T>(aMatrix->M21());
+ aData[5] = static_cast<T>(aMatrix->M22());
+ aData[6] = static_cast<T>(aMatrix->M23());
+ aData[7] = static_cast<T>(aMatrix->M24());
+ aData[8] = static_cast<T>(aMatrix->M31());
+ aData[9] = static_cast<T>(aMatrix->M32());
+ aData[10] = static_cast<T>(aMatrix->M33());
+ aData[11] = static_cast<T>(aMatrix->M34());
+ aData[12] = static_cast<T>(aMatrix->M41());
+ aData[13] = static_cast<T>(aMatrix->M42());
+ aData[14] = static_cast<T>(aMatrix->M43());
+ aData[15] = static_cast<T>(aMatrix->M44());
+}
+
+void DOMMatrixReadOnly::ToFloat32Array(JSContext* aCx,
+ JS::MutableHandle<JSObject*> aResult,
+ ErrorResult& aRv) const {
+ AutoTArray<float, 16> arr;
+ arr.SetLength(16);
+ GetDataFromMatrix(this, arr.Elements());
+ JS::Rooted<JS::Value> value(aCx);
+ if (!ToJSValue(aCx, TypedArrayCreator<Float32Array>(arr), &value)) {
+ aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
+ return;
+ }
+ aResult.set(&value.toObject());
+}
+
+void DOMMatrixReadOnly::ToFloat64Array(JSContext* aCx,
+ JS::MutableHandle<JSObject*> aResult,
+ ErrorResult& aRv) const {
+ AutoTArray<double, 16> arr;
+ arr.SetLength(16);
+ GetDataFromMatrix(this, arr.Elements());
+ JS::Rooted<JS::Value> value(aCx);
+ if (!ToJSValue(aCx, TypedArrayCreator<Float64Array>(arr), &value)) {
+ aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
+ return;
+ }
+ aResult.set(&value.toObject());
+}
+
+void DOMMatrixReadOnly::Stringify(nsAString& aResult, ErrorResult& aRv) {
+ char cbuf[JS::MaximumNumberToStringLength];
+ nsAutoString matrixStr;
+ auto AppendDouble = [&aRv, &cbuf, &matrixStr](double d,
+ bool isLastItem = false) {
+ if (!std::isfinite(d)) {
+ aRv.ThrowInvalidStateError(
+ "Matrix with a non-finite element cannot be stringified.");
+ return false;
+ }
+ JS::NumberToString(d, cbuf);
+ matrixStr.AppendASCII(cbuf);
+ if (!isLastItem) {
+ matrixStr.AppendLiteral(", ");
+ }
+ return true;
+ };
+
+ if (mMatrix3D) {
+ // We can't use AppendPrintf here, because it does locale-specific
+ // formatting of floating-point values.
+ matrixStr.AssignLiteral("matrix3d(");
+ if (!AppendDouble(M11()) || !AppendDouble(M12()) || !AppendDouble(M13()) ||
+ !AppendDouble(M14()) || !AppendDouble(M21()) || !AppendDouble(M22()) ||
+ !AppendDouble(M23()) || !AppendDouble(M24()) || !AppendDouble(M31()) ||
+ !AppendDouble(M32()) || !AppendDouble(M33()) || !AppendDouble(M34()) ||
+ !AppendDouble(M41()) || !AppendDouble(M42()) || !AppendDouble(M43()) ||
+ !AppendDouble(M44(), true)) {
+ return;
+ }
+ matrixStr.AppendLiteral(")");
+ } else {
+ // We can't use AppendPrintf here, because it does locale-specific
+ // formatting of floating-point values.
+ matrixStr.AssignLiteral("matrix(");
+ if (!AppendDouble(A()) || !AppendDouble(B()) || !AppendDouble(C()) ||
+ !AppendDouble(D()) || !AppendDouble(E()) || !AppendDouble(F(), true)) {
+ return;
+ }
+ matrixStr.AppendLiteral(")");
+ }
+
+ aResult = matrixStr;
+}
+
+// https://drafts.fxtf.org/geometry/#structured-serialization
+bool DOMMatrixReadOnly::WriteStructuredClone(
+ JSContext* aCx, JSStructuredCloneWriter* aWriter) const {
+ const uint8_t is2D = Is2D();
+
+ if (!JS_WriteBytes(aWriter, &is2D, 1)) {
+ return false;
+ }
+
+ if (is2D == 1) {
+ return JS_WriteDouble(aWriter, mMatrix2D->_11) &&
+ JS_WriteDouble(aWriter, mMatrix2D->_12) &&
+ JS_WriteDouble(aWriter, mMatrix2D->_21) &&
+ JS_WriteDouble(aWriter, mMatrix2D->_22) &&
+ JS_WriteDouble(aWriter, mMatrix2D->_31) &&
+ JS_WriteDouble(aWriter, mMatrix2D->_32);
+ }
+
+ return JS_WriteDouble(aWriter, mMatrix3D->_11) &&
+ JS_WriteDouble(aWriter, mMatrix3D->_12) &&
+ JS_WriteDouble(aWriter, mMatrix3D->_13) &&
+ JS_WriteDouble(aWriter, mMatrix3D->_14) &&
+ JS_WriteDouble(aWriter, mMatrix3D->_21) &&
+ JS_WriteDouble(aWriter, mMatrix3D->_22) &&
+ JS_WriteDouble(aWriter, mMatrix3D->_23) &&
+ JS_WriteDouble(aWriter, mMatrix3D->_24) &&
+ JS_WriteDouble(aWriter, mMatrix3D->_31) &&
+ JS_WriteDouble(aWriter, mMatrix3D->_32) &&
+ JS_WriteDouble(aWriter, mMatrix3D->_33) &&
+ JS_WriteDouble(aWriter, mMatrix3D->_34) &&
+ JS_WriteDouble(aWriter, mMatrix3D->_41) &&
+ JS_WriteDouble(aWriter, mMatrix3D->_42) &&
+ JS_WriteDouble(aWriter, mMatrix3D->_43) &&
+ JS_WriteDouble(aWriter, mMatrix3D->_44);
+}
+
+bool DOMMatrixReadOnly::ReadStructuredCloneElements(
+ JSStructuredCloneReader* aReader, DOMMatrixReadOnly* matrix) {
+ if (matrix->Is2D() == 1) {
+ JS_ReadDouble(aReader, &(matrix->mMatrix2D->_11));
+ JS_ReadDouble(aReader, &(matrix->mMatrix2D->_12));
+ JS_ReadDouble(aReader, &(matrix->mMatrix2D->_21));
+ JS_ReadDouble(aReader, &(matrix->mMatrix2D->_22));
+ JS_ReadDouble(aReader, &(matrix->mMatrix2D->_31));
+ JS_ReadDouble(aReader, &(matrix->mMatrix2D->_32));
+ } else {
+ JS_ReadDouble(aReader, &(matrix->mMatrix3D->_11));
+ JS_ReadDouble(aReader, &(matrix->mMatrix3D->_12));
+ JS_ReadDouble(aReader, &(matrix->mMatrix3D->_13));
+ JS_ReadDouble(aReader, &(matrix->mMatrix3D->_14));
+ JS_ReadDouble(aReader, &(matrix->mMatrix3D->_21));
+ JS_ReadDouble(aReader, &(matrix->mMatrix3D->_22));
+ JS_ReadDouble(aReader, &(matrix->mMatrix3D->_23));
+ JS_ReadDouble(aReader, &(matrix->mMatrix3D->_24));
+ JS_ReadDouble(aReader, &(matrix->mMatrix3D->_31));
+ JS_ReadDouble(aReader, &(matrix->mMatrix3D->_32));
+ JS_ReadDouble(aReader, &(matrix->mMatrix3D->_33));
+ JS_ReadDouble(aReader, &(matrix->mMatrix3D->_34));
+ JS_ReadDouble(aReader, &(matrix->mMatrix3D->_41));
+ JS_ReadDouble(aReader, &(matrix->mMatrix3D->_42));
+ JS_ReadDouble(aReader, &(matrix->mMatrix3D->_43));
+ JS_ReadDouble(aReader, &(matrix->mMatrix3D->_44));
+ }
+
+ return true;
+}
+
+already_AddRefed<DOMMatrix> DOMMatrix::FromMatrix(
+ nsISupports* aParent, const DOMMatrixInit& aMatrixInit, ErrorResult& aRv) {
+ DOMMatrixInit matrixInit(aMatrixInit);
+ if (!ValidateAndFixupMatrixInit(matrixInit, aRv)) {
+ return nullptr;
+ };
+
+ RefPtr<DOMMatrix> matrix = new DOMMatrix(aParent, matrixInit.mIs2D.Value());
+ matrix->SetDataFromMatrixInit(matrixInit);
+ return matrix.forget();
+}
+
+already_AddRefed<DOMMatrix> DOMMatrix::FromMatrix(
+ const GlobalObject& aGlobal, const DOMMatrixInit& aMatrixInit,
+ ErrorResult& aRv) {
+ RefPtr<DOMMatrix> matrix =
+ FromMatrix(aGlobal.GetAsSupports(), aMatrixInit, aRv);
+ return matrix.forget();
+}
+
+already_AddRefed<DOMMatrix> DOMMatrix::FromFloat32Array(
+ const GlobalObject& aGlobal, const Float32Array& aArray32,
+ ErrorResult& aRv) {
+ aArray32.ComputeState();
+
+ const int length = aArray32.Length();
+ const bool is2D = length == 6;
+ RefPtr<DOMMatrix> obj = new DOMMatrix(aGlobal.GetAsSupports(), is2D);
+ SetDataInMatrix(obj, aArray32.Data(), length, aRv);
+
+ return obj.forget();
+}
+
+already_AddRefed<DOMMatrix> DOMMatrix::FromFloat64Array(
+ const GlobalObject& aGlobal, const Float64Array& aArray64,
+ ErrorResult& aRv) {
+ aArray64.ComputeState();
+
+ const int length = aArray64.Length();
+ const bool is2D = length == 6;
+ RefPtr<DOMMatrix> obj = new DOMMatrix(aGlobal.GetAsSupports(), is2D);
+ SetDataInMatrix(obj, aArray64.Data(), length, aRv);
+
+ return obj.forget();
+}
+
+already_AddRefed<DOMMatrix> DOMMatrix::Constructor(
+ const GlobalObject& aGlobal,
+ const Optional<UTF8StringOrUnrestrictedDoubleSequenceOrDOMMatrixReadOnly>&
+ aArg,
+ ErrorResult& aRv) {
+ if (!aArg.WasPassed()) {
+ RefPtr<DOMMatrix> rval = new DOMMatrix(aGlobal.GetAsSupports());
+ return rval.forget();
+ }
+
+ const auto& arg = aArg.Value();
+ if (arg.IsUTF8String()) {
+ nsCOMPtr<nsPIDOMWindowInner> win =
+ do_QueryInterface(aGlobal.GetAsSupports());
+ if (!win) {
+ aRv.ThrowTypeError<MSG_ILLEGAL_CONSTRUCTOR>();
+ return nullptr;
+ }
+ RefPtr<DOMMatrix> rval = new DOMMatrix(aGlobal.GetAsSupports());
+ rval->SetMatrixValue(arg.GetAsUTF8String(), aRv);
+ return rval.forget();
+ }
+ if (arg.IsDOMMatrixReadOnly()) {
+ RefPtr<DOMMatrix> obj =
+ new DOMMatrix(aGlobal.GetAsSupports(), arg.GetAsDOMMatrixReadOnly());
+ return obj.forget();
+ }
+
+ const auto& sequence = arg.GetAsUnrestrictedDoubleSequence();
+ const int length = sequence.Length();
+ const bool is2D = length == 6;
+ RefPtr<DOMMatrix> rval = new DOMMatrix(aGlobal.GetAsSupports(), is2D);
+ SetDataInMatrix(rval, sequence.Elements(), length, aRv);
+ return rval.forget();
+}
+
+template <typename T>
+static void SetDataInMatrix(DOMMatrixReadOnly* aMatrix, const T* aData,
+ int aLength, ErrorResult& aRv) {
+ if (aLength == 16) {
+ aMatrix->SetM11(aData[0]);
+ aMatrix->SetM12(aData[1]);
+ aMatrix->SetM13(aData[2]);
+ aMatrix->SetM14(aData[3]);
+ aMatrix->SetM21(aData[4]);
+ aMatrix->SetM22(aData[5]);
+ aMatrix->SetM23(aData[6]);
+ aMatrix->SetM24(aData[7]);
+ aMatrix->SetM31(aData[8]);
+ aMatrix->SetM32(aData[9]);
+ aMatrix->SetM33(aData[10]);
+ aMatrix->SetM34(aData[11]);
+ aMatrix->SetM41(aData[12]);
+ aMatrix->SetM42(aData[13]);
+ aMatrix->SetM43(aData[14]);
+ aMatrix->SetM44(aData[15]);
+ } else if (aLength == 6) {
+ aMatrix->SetA(aData[0]);
+ aMatrix->SetB(aData[1]);
+ aMatrix->SetC(aData[2]);
+ aMatrix->SetD(aData[3]);
+ aMatrix->SetE(aData[4]);
+ aMatrix->SetF(aData[5]);
+ } else {
+ nsAutoCString lengthStr;
+ lengthStr.AppendInt(aLength);
+ aRv.ThrowTypeError<MSG_MATRIX_INIT_LENGTH_WRONG>(lengthStr);
+ }
+}
+
+already_AddRefed<DOMMatrix> DOMMatrix::ReadStructuredClone(
+ JSContext* aCx, nsIGlobalObject* aGlobal,
+ JSStructuredCloneReader* aReader) {
+ uint8_t is2D;
+
+ if (!JS_ReadBytes(aReader, &is2D, 1)) {
+ return nullptr;
+ }
+
+ RefPtr<DOMMatrix> rval = new DOMMatrix(aGlobal, is2D);
+
+ if (!ReadStructuredCloneElements(aReader, rval)) {
+ return nullptr;
+ };
+
+ return rval.forget();
+}
+
+void DOMMatrixReadOnly::Ensure3DMatrix() {
+ if (!mMatrix3D) {
+ mMatrix3D = MakeUnique<gfx::Matrix4x4Double>(
+ gfx::Matrix4x4Double::From2D(*mMatrix2D));
+ mMatrix2D = nullptr;
+ }
+}
+
+DOMMatrix* DOMMatrix::MultiplySelf(const DOMMatrixInit& aOtherInit,
+ ErrorResult& aRv) {
+ RefPtr<DOMMatrix> other = FromMatrix(mParent, aOtherInit, aRv);
+ if (aRv.Failed()) {
+ return nullptr;
+ }
+ MOZ_ASSERT(other);
+ if (other->IsIdentity()) {
+ return this;
+ }
+
+ if (other->Is2D()) {
+ if (mMatrix3D) {
+ *mMatrix3D = gfx::Matrix4x4Double::From2D(*other->mMatrix2D) * *mMatrix3D;
+ } else {
+ *mMatrix2D = *other->mMatrix2D * *mMatrix2D;
+ }
+ } else {
+ Ensure3DMatrix();
+ *mMatrix3D = *other->mMatrix3D * *mMatrix3D;
+ }
+
+ return this;
+}
+
+DOMMatrix* DOMMatrix::PreMultiplySelf(const DOMMatrixInit& aOtherInit,
+ ErrorResult& aRv) {
+ RefPtr<DOMMatrix> other = FromMatrix(mParent, aOtherInit, aRv);
+ if (aRv.Failed()) {
+ return nullptr;
+ }
+ MOZ_ASSERT(other);
+ if (other->IsIdentity()) {
+ return this;
+ }
+
+ if (other->Is2D()) {
+ if (mMatrix3D) {
+ *mMatrix3D = *mMatrix3D * gfx::Matrix4x4Double::From2D(*other->mMatrix2D);
+ } else {
+ *mMatrix2D = *mMatrix2D * *other->mMatrix2D;
+ }
+ } else {
+ Ensure3DMatrix();
+ *mMatrix3D = *mMatrix3D * *other->mMatrix3D;
+ }
+
+ return this;
+}
+
+DOMMatrix* DOMMatrix::TranslateSelf(double aTx, double aTy, double aTz) {
+ if (aTx == 0 && aTy == 0 && aTz == 0) {
+ return this;
+ }
+
+ if (mMatrix3D || aTz != 0) {
+ Ensure3DMatrix();
+ mMatrix3D->PreTranslate(aTx, aTy, aTz);
+ } else {
+ mMatrix2D->PreTranslate(aTx, aTy);
+ }
+
+ return this;
+}
+
+DOMMatrix* DOMMatrix::ScaleSelf(double aScaleX, const Optional<double>& aScaleY,
+ double aScaleZ, double aOriginX,
+ double aOriginY, double aOriginZ) {
+ const double scaleY = aScaleY.WasPassed() ? aScaleY.Value() : aScaleX;
+
+ TranslateSelf(aOriginX, aOriginY, aOriginZ);
+
+ if (mMatrix3D || aScaleZ != 1.0) {
+ Ensure3DMatrix();
+ gfx::Matrix4x4Double m;
+ m._11 = aScaleX;
+ m._22 = scaleY;
+ m._33 = aScaleZ;
+ *mMatrix3D = m * *mMatrix3D;
+ } else {
+ gfx::MatrixDouble m;
+ m._11 = aScaleX;
+ m._22 = scaleY;
+ *mMatrix2D = m * *mMatrix2D;
+ }
+
+ TranslateSelf(-aOriginX, -aOriginY, -aOriginZ);
+
+ return this;
+}
+
+DOMMatrix* DOMMatrix::Scale3dSelf(double aScale, double aOriginX,
+ double aOriginY, double aOriginZ) {
+ ScaleSelf(aScale, Optional<double>(aScale), aScale, aOriginX, aOriginY,
+ aOriginZ);
+
+ return this;
+}
+
+DOMMatrix* DOMMatrix::RotateFromVectorSelf(double aX, double aY) {
+ const double angle = (aX == 0.0 && aY == 0.0) ? 0 : atan2(aY, aX);
+
+ if (fmod(angle, 2 * M_PI) == 0) {
+ return this;
+ }
+
+ if (mMatrix3D) {
+ RotateAxisAngleSelf(0, 0, 1, angle / radPerDegree);
+ } else {
+ *mMatrix2D = mMatrix2D->PreRotate(angle);
+ }
+
+ return this;
+}
+
+DOMMatrix* DOMMatrix::RotateSelf(double aRotX, const Optional<double>& aRotY,
+ const Optional<double>& aRotZ) {
+ double rotY;
+ double rotZ;
+ if (!aRotY.WasPassed() && !aRotZ.WasPassed()) {
+ rotZ = aRotX;
+ aRotX = 0;
+ rotY = 0;
+ } else {
+ rotY = aRotY.WasPassed() ? aRotY.Value() : 0;
+ rotZ = aRotZ.WasPassed() ? aRotZ.Value() : 0;
+ }
+
+ if (aRotX != 0 || rotY != 0) {
+ Ensure3DMatrix();
+ }
+
+ if (mMatrix3D) {
+ if (fmod(rotZ, 360) != 0) {
+ mMatrix3D->RotateZ(rotZ * radPerDegree);
+ }
+ if (fmod(rotY, 360) != 0) {
+ mMatrix3D->RotateY(rotY * radPerDegree);
+ }
+ if (fmod(aRotX, 360) != 0) {
+ mMatrix3D->RotateX(aRotX * radPerDegree);
+ }
+ } else if (fmod(rotZ, 360) != 0) {
+ *mMatrix2D = mMatrix2D->PreRotate(rotZ * radPerDegree);
+ }
+
+ return this;
+}
+
+DOMMatrix* DOMMatrix::RotateAxisAngleSelf(double aX, double aY, double aZ,
+ double aAngle) {
+ if (fmod(aAngle, 360) == 0) {
+ return this;
+ }
+
+ aAngle *= radPerDegree;
+
+ Ensure3DMatrix();
+ gfx::Matrix4x4Double m;
+ m.SetRotateAxisAngle(aX, aY, aZ, aAngle);
+
+ *mMatrix3D = m * *mMatrix3D;
+
+ return this;
+}
+
+DOMMatrix* DOMMatrix::SkewXSelf(double aSx) {
+ if (fmod(aSx, 360) == 0) {
+ return this;
+ }
+
+ if (mMatrix3D) {
+ gfx::Matrix4x4Double m;
+ m._21 = tan(aSx * radPerDegree);
+ *mMatrix3D = m * *mMatrix3D;
+ } else {
+ gfx::MatrixDouble m;
+ m._21 = tan(aSx * radPerDegree);
+ *mMatrix2D = m * *mMatrix2D;
+ }
+
+ return this;
+}
+
+DOMMatrix* DOMMatrix::SkewYSelf(double aSy) {
+ if (fmod(aSy, 360) == 0) {
+ return this;
+ }
+
+ if (mMatrix3D) {
+ gfx::Matrix4x4Double m;
+ m._12 = tan(aSy * radPerDegree);
+ *mMatrix3D = m * *mMatrix3D;
+ } else {
+ gfx::MatrixDouble m;
+ m._12 = tan(aSy * radPerDegree);
+ *mMatrix2D = m * *mMatrix2D;
+ }
+
+ return this;
+}
+
+DOMMatrix* DOMMatrix::InvertSelf() {
+ if (mMatrix3D) {
+ if (!mMatrix3D->Invert()) {
+ mMatrix3D->SetNAN();
+ }
+ } else if (!mMatrix2D->Invert()) {
+ mMatrix2D = nullptr;
+
+ mMatrix3D = MakeUnique<gfx::Matrix4x4Double>();
+ mMatrix3D->SetNAN();
+ }
+
+ return this;
+}
+
+DOMMatrixReadOnly* DOMMatrixReadOnly::SetMatrixValue(
+ const nsACString& aTransformList, ErrorResult& aRv) {
+ // An empty string is a no-op.
+ if (aTransformList.IsEmpty()) {
+ return this;
+ }
+
+ gfx::Matrix4x4 transform;
+ bool contains3dTransform = false;
+ if (!ServoCSSParser::ParseTransformIntoMatrix(
+ aTransformList, contains3dTransform, transform)) {
+ aRv.Throw(NS_ERROR_DOM_SYNTAX_ERR);
+ return nullptr;
+ }
+
+ if (!contains3dTransform) {
+ mMatrix3D = nullptr;
+ if (!mMatrix2D) {
+ mMatrix2D = MakeUnique<gfx::MatrixDouble>();
+ }
+
+ SetA(transform._11);
+ SetB(transform._12);
+ SetC(transform._21);
+ SetD(transform._22);
+ SetE(transform._41);
+ SetF(transform._42);
+ } else {
+ mMatrix3D = MakeUnique<gfx::Matrix4x4Double>(transform);
+ mMatrix2D = nullptr;
+ }
+
+ return this;
+}
+
+DOMMatrix* DOMMatrix::SetMatrixValue(const nsACString& aTransformList,
+ ErrorResult& aRv) {
+ DOMMatrixReadOnly::SetMatrixValue(aTransformList, aRv);
+ return this;
+}
+
+JSObject* DOMMatrix::WrapObject(JSContext* aCx,
+ JS::Handle<JSObject*> aGivenProto) {
+ return DOMMatrix_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+} // namespace mozilla::dom
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-10 08:45:05 +0000