forked from mirrors/gecko-dev
1036 lines
32 KiB
C++
1036 lines
32 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/DOMMatrix.h"
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#include <cmath>
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#include <cstdint>
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#include <new>
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#include "ErrorList.h"
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#include "js/Conversions.h"
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#include "js/Equality.h"
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#include "js/StructuredClone.h"
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#include "js/Value.h"
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#include "mozilla/Casting.h"
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#include "mozilla/ErrorResult.h"
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#include "mozilla/FloatingPoint.h"
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#include "mozilla/MacroForEach.h"
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#include "mozilla/RefPtr.h"
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#include "mozilla/ServoCSSParser.h"
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#include "mozilla/dom/BindingDeclarations.h"
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#include "mozilla/dom/DOMMatrixBinding.h"
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#include "mozilla/dom/DOMPoint.h"
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#include "mozilla/dom/DOMPointBinding.h"
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#include "mozilla/dom/ToJSValue.h"
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#include "mozilla/gfx/BasePoint.h"
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#include "mozilla/gfx/BasePoint4D.h"
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#include "mozilla/gfx/Point.h"
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#include "nsIGlobalObject.h"
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#include "nsPIDOMWindow.h"
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#include "nsString.h"
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#include "nsStringFlags.h"
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#include "nsTArray.h"
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#include "nsTLiteralString.h"
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namespace mozilla::dom {
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template <typename T>
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static void SetDataInMatrix(DOMMatrixReadOnly* aMatrix, const T* aData,
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int aLength, ErrorResult& aRv);
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static const double radPerDegree = 2.0 * M_PI / 360.0;
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NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(DOMMatrixReadOnly, mParent)
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NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(DOMMatrixReadOnly, AddRef)
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NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(DOMMatrixReadOnly, Release)
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JSObject* DOMMatrixReadOnly::WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) {
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return DOMMatrixReadOnly_Binding::Wrap(aCx, this, aGivenProto);
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}
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// https://drafts.fxtf.org/geometry/#matrix-validate-and-fixup-2d
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static bool ValidateAndFixupMatrix2DInit(DOMMatrix2DInit& aMatrixInit,
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ErrorResult& aRv) {
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#define ValidateAliases(field, alias, fieldName, aliasName) \
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if ((field).WasPassed() && (alias).WasPassed() && \
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!JS::SameValueZero((field).Value(), (alias).Value())) { \
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aRv.ThrowTypeError<MSG_MATRIX_INIT_CONFLICTING_VALUE>((fieldName), \
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(aliasName)); \
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return false; \
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}
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#define SetFromAliasOrDefault(field, alias, defaultValue) \
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if (!(field).WasPassed()) { \
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if ((alias).WasPassed()) { \
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(field).Construct((alias).Value()); \
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} else { \
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(field).Construct(defaultValue); \
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} \
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}
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#define ValidateAndSet(field, alias, fieldName, aliasName, defaultValue) \
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ValidateAliases((field), (alias), fieldName, aliasName); \
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SetFromAliasOrDefault((field), (alias), (defaultValue));
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ValidateAndSet(aMatrixInit.mM11, aMatrixInit.mA, "m11", "a", 1);
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ValidateAndSet(aMatrixInit.mM12, aMatrixInit.mB, "m12", "b", 0);
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ValidateAndSet(aMatrixInit.mM21, aMatrixInit.mC, "m21", "c", 0);
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ValidateAndSet(aMatrixInit.mM22, aMatrixInit.mD, "m22", "d", 1);
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ValidateAndSet(aMatrixInit.mM41, aMatrixInit.mE, "m41", "e", 0);
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ValidateAndSet(aMatrixInit.mM42, aMatrixInit.mF, "m42", "f", 0);
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return true;
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#undef ValidateAliases
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#undef SetFromAliasOrDefault
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#undef ValidateAndSet
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}
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// https://drafts.fxtf.org/geometry/#matrix-validate-and-fixup
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static bool ValidateAndFixupMatrixInit(DOMMatrixInit& aMatrixInit,
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ErrorResult& aRv) {
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#define Check3DField(field, fieldName, defaultValue) \
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if ((field) != (defaultValue)) { \
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if (!aMatrixInit.mIs2D.WasPassed()) { \
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aMatrixInit.mIs2D.Construct(false); \
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return true; \
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} \
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if (aMatrixInit.mIs2D.Value()) { \
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aRv.ThrowTypeError<MSG_MATRIX_INIT_EXCEEDS_2D>(fieldName); \
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return false; \
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} \
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}
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if (!ValidateAndFixupMatrix2DInit(aMatrixInit, aRv)) {
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return false;
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}
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Check3DField(aMatrixInit.mM13, "m13", 0);
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Check3DField(aMatrixInit.mM14, "m14", 0);
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Check3DField(aMatrixInit.mM23, "m23", 0);
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Check3DField(aMatrixInit.mM24, "m24", 0);
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Check3DField(aMatrixInit.mM31, "m31", 0);
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Check3DField(aMatrixInit.mM32, "m32", 0);
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Check3DField(aMatrixInit.mM34, "m34", 0);
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Check3DField(aMatrixInit.mM43, "m43", 0);
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Check3DField(aMatrixInit.mM33, "m33", 1);
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Check3DField(aMatrixInit.mM44, "m44", 1);
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if (!aMatrixInit.mIs2D.WasPassed()) {
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aMatrixInit.mIs2D.Construct(true);
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}
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return true;
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#undef Check3DField
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}
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void DOMMatrixReadOnly::SetDataFromMatrix2DInit(
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const DOMMatrix2DInit& aMatrixInit) {
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MOZ_ASSERT(Is2D());
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mMatrix2D->_11 = aMatrixInit.mM11.Value();
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mMatrix2D->_12 = aMatrixInit.mM12.Value();
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mMatrix2D->_21 = aMatrixInit.mM21.Value();
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mMatrix2D->_22 = aMatrixInit.mM22.Value();
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mMatrix2D->_31 = aMatrixInit.mM41.Value();
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mMatrix2D->_32 = aMatrixInit.mM42.Value();
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}
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void DOMMatrixReadOnly::SetDataFromMatrixInit(
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const DOMMatrixInit& aMatrixInit) {
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const bool is2D = aMatrixInit.mIs2D.Value();
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MOZ_ASSERT(is2D == Is2D());
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if (is2D) {
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SetDataFromMatrix2DInit(aMatrixInit);
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} else {
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mMatrix3D->_11 = aMatrixInit.mM11.Value();
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mMatrix3D->_12 = aMatrixInit.mM12.Value();
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mMatrix3D->_13 = aMatrixInit.mM13;
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mMatrix3D->_14 = aMatrixInit.mM14;
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mMatrix3D->_21 = aMatrixInit.mM21.Value();
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mMatrix3D->_22 = aMatrixInit.mM22.Value();
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mMatrix3D->_23 = aMatrixInit.mM23;
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mMatrix3D->_24 = aMatrixInit.mM24;
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mMatrix3D->_31 = aMatrixInit.mM31;
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mMatrix3D->_32 = aMatrixInit.mM32;
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mMatrix3D->_33 = aMatrixInit.mM33;
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mMatrix3D->_34 = aMatrixInit.mM34;
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mMatrix3D->_41 = aMatrixInit.mM41.Value();
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mMatrix3D->_42 = aMatrixInit.mM42.Value();
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mMatrix3D->_43 = aMatrixInit.mM43;
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mMatrix3D->_44 = aMatrixInit.mM44;
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}
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}
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already_AddRefed<DOMMatrixReadOnly> DOMMatrixReadOnly::FromMatrix(
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nsISupports* aParent, const DOMMatrix2DInit& aMatrixInit,
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ErrorResult& aRv) {
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DOMMatrix2DInit matrixInit(aMatrixInit);
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if (!ValidateAndFixupMatrix2DInit(matrixInit, aRv)) {
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return nullptr;
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};
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RefPtr<DOMMatrixReadOnly> matrix =
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new DOMMatrixReadOnly(aParent, /* is2D */ true);
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matrix->SetDataFromMatrix2DInit(matrixInit);
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return matrix.forget();
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}
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already_AddRefed<DOMMatrixReadOnly> DOMMatrixReadOnly::FromMatrix(
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nsISupports* aParent, const DOMMatrixInit& aMatrixInit, ErrorResult& aRv) {
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DOMMatrixInit matrixInit(aMatrixInit);
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if (!ValidateAndFixupMatrixInit(matrixInit, aRv)) {
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return nullptr;
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};
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RefPtr<DOMMatrixReadOnly> rval =
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new DOMMatrixReadOnly(aParent, matrixInit.mIs2D.Value());
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rval->SetDataFromMatrixInit(matrixInit);
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return rval.forget();
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}
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already_AddRefed<DOMMatrixReadOnly> DOMMatrixReadOnly::FromMatrix(
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const GlobalObject& aGlobal, const DOMMatrixInit& aMatrixInit,
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ErrorResult& aRv) {
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RefPtr<DOMMatrixReadOnly> matrix =
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FromMatrix(aGlobal.GetAsSupports(), aMatrixInit, aRv);
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return matrix.forget();
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}
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already_AddRefed<DOMMatrixReadOnly> DOMMatrixReadOnly::FromFloat32Array(
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const GlobalObject& aGlobal, const Float32Array& aArray32,
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ErrorResult& aRv) {
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aArray32.ComputeState();
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const int length = aArray32.Length();
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const bool is2D = length == 6;
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RefPtr<DOMMatrixReadOnly> obj =
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new DOMMatrixReadOnly(aGlobal.GetAsSupports(), is2D);
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SetDataInMatrix(obj, aArray32.Data(), length, aRv);
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return obj.forget();
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}
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already_AddRefed<DOMMatrixReadOnly> DOMMatrixReadOnly::FromFloat64Array(
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const GlobalObject& aGlobal, const Float64Array& aArray64,
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ErrorResult& aRv) {
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aArray64.ComputeState();
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const int length = aArray64.Length();
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const bool is2D = length == 6;
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RefPtr<DOMMatrixReadOnly> obj =
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new DOMMatrixReadOnly(aGlobal.GetAsSupports(), is2D);
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SetDataInMatrix(obj, aArray64.Data(), length, aRv);
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return obj.forget();
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}
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already_AddRefed<DOMMatrixReadOnly> DOMMatrixReadOnly::Constructor(
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const GlobalObject& aGlobal,
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const Optional<UTF8StringOrUnrestrictedDoubleSequenceOrDOMMatrixReadOnly>&
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aArg,
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ErrorResult& aRv) {
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if (!aArg.WasPassed()) {
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RefPtr<DOMMatrixReadOnly> rval =
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new DOMMatrixReadOnly(aGlobal.GetAsSupports());
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return rval.forget();
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}
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const auto& arg = aArg.Value();
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if (arg.IsUTF8String()) {
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nsCOMPtr<nsPIDOMWindowInner> win =
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do_QueryInterface(aGlobal.GetAsSupports());
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if (!win) {
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aRv.ThrowTypeError<MSG_ILLEGAL_CONSTRUCTOR>();
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return nullptr;
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}
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RefPtr<DOMMatrixReadOnly> rval =
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new DOMMatrixReadOnly(aGlobal.GetAsSupports());
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rval->SetMatrixValue(arg.GetAsUTF8String(), aRv);
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return rval.forget();
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}
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if (arg.IsDOMMatrixReadOnly()) {
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RefPtr<DOMMatrixReadOnly> obj = new DOMMatrixReadOnly(
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aGlobal.GetAsSupports(), arg.GetAsDOMMatrixReadOnly());
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return obj.forget();
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}
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const auto& sequence = arg.GetAsUnrestrictedDoubleSequence();
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const int length = sequence.Length();
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const bool is2D = length == 6;
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RefPtr<DOMMatrixReadOnly> rval =
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new DOMMatrixReadOnly(aGlobal.GetAsSupports(), is2D);
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SetDataInMatrix(rval, sequence.Elements(), length, aRv);
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return rval.forget();
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}
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already_AddRefed<DOMMatrixReadOnly> DOMMatrixReadOnly::ReadStructuredClone(
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JSContext* aCx, nsIGlobalObject* aGlobal,
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JSStructuredCloneReader* aReader) {
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uint8_t is2D;
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if (!JS_ReadBytes(aReader, &is2D, 1)) {
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return nullptr;
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}
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RefPtr<DOMMatrixReadOnly> rval = new DOMMatrixReadOnly(aGlobal, is2D);
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if (!ReadStructuredCloneElements(aReader, rval)) {
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return nullptr;
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};
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return rval.forget();
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}
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already_AddRefed<DOMMatrix> DOMMatrixReadOnly::Translate(double aTx, double aTy,
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double aTz) const {
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RefPtr<DOMMatrix> retval = new DOMMatrix(mParent, *this);
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retval->TranslateSelf(aTx, aTy, aTz);
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return retval.forget();
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}
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already_AddRefed<DOMMatrix> DOMMatrixReadOnly::Scale(
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double aScaleX, const Optional<double>& aScaleY, double aScaleZ,
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double aOriginX, double aOriginY, double aOriginZ) const {
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RefPtr<DOMMatrix> retval = new DOMMatrix(mParent, *this);
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retval->ScaleSelf(aScaleX, aScaleY, aScaleZ, aOriginX, aOriginY, aOriginZ);
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return retval.forget();
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}
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already_AddRefed<DOMMatrix> DOMMatrixReadOnly::Scale3d(double aScale,
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double aOriginX,
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double aOriginY,
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double aOriginZ) const {
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RefPtr<DOMMatrix> retval = new DOMMatrix(mParent, *this);
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retval->Scale3dSelf(aScale, aOriginX, aOriginY, aOriginZ);
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return retval.forget();
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}
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already_AddRefed<DOMMatrix> DOMMatrixReadOnly::ScaleNonUniform(
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double aScaleX, double aScaleY) const {
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RefPtr<DOMMatrix> retval = new DOMMatrix(mParent, *this);
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retval->ScaleSelf(aScaleX, Optional<double>(aScaleY), 1, 0, 0, 0);
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return retval.forget();
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}
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already_AddRefed<DOMMatrix> DOMMatrixReadOnly::Rotate(
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double aRotX, const Optional<double>& aRotY,
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const Optional<double>& aRotZ) const {
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RefPtr<DOMMatrix> retval = new DOMMatrix(mParent, *this);
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retval->RotateSelf(aRotX, aRotY, aRotZ);
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return retval.forget();
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}
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already_AddRefed<DOMMatrix> DOMMatrixReadOnly::RotateFromVector(
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double x, double y) const {
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RefPtr<DOMMatrix> retval = new DOMMatrix(mParent, *this);
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retval->RotateFromVectorSelf(x, y);
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return retval.forget();
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}
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already_AddRefed<DOMMatrix> DOMMatrixReadOnly::RotateAxisAngle(
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double aX, double aY, double aZ, double aAngle) const {
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RefPtr<DOMMatrix> retval = new DOMMatrix(mParent, *this);
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retval->RotateAxisAngleSelf(aX, aY, aZ, aAngle);
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return retval.forget();
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}
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already_AddRefed<DOMMatrix> DOMMatrixReadOnly::SkewX(double aSx) const {
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RefPtr<DOMMatrix> retval = new DOMMatrix(mParent, *this);
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retval->SkewXSelf(aSx);
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return retval.forget();
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}
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already_AddRefed<DOMMatrix> DOMMatrixReadOnly::SkewY(double aSy) const {
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RefPtr<DOMMatrix> retval = new DOMMatrix(mParent, *this);
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retval->SkewYSelf(aSy);
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return retval.forget();
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}
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already_AddRefed<DOMMatrix> DOMMatrixReadOnly::Multiply(
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const DOMMatrixInit& other, ErrorResult& aRv) const {
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RefPtr<DOMMatrix> retval = new DOMMatrix(mParent, *this);
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retval->MultiplySelf(other, aRv);
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return retval.forget();
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}
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already_AddRefed<DOMMatrix> DOMMatrixReadOnly::FlipX() const {
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RefPtr<DOMMatrix> retval = new DOMMatrix(mParent, *this);
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if (mMatrix3D) {
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gfx::Matrix4x4Double m;
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m._11 = -1;
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retval->mMatrix3D = MakeUnique<gfx::Matrix4x4Double>(m * *mMatrix3D);
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} else {
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gfx::MatrixDouble m;
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m._11 = -1;
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retval->mMatrix2D =
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MakeUnique<gfx::MatrixDouble>(mMatrix2D ? m * *mMatrix2D : m);
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}
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return retval.forget();
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}
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already_AddRefed<DOMMatrix> DOMMatrixReadOnly::FlipY() const {
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RefPtr<DOMMatrix> retval = new DOMMatrix(mParent, *this);
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if (mMatrix3D) {
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gfx::Matrix4x4Double m;
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m._22 = -1;
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retval->mMatrix3D = MakeUnique<gfx::Matrix4x4Double>(m * *mMatrix3D);
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} else {
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gfx::MatrixDouble m;
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m._22 = -1;
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retval->mMatrix2D =
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MakeUnique<gfx::MatrixDouble>(mMatrix2D ? m * *mMatrix2D : m);
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}
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return retval.forget();
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}
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already_AddRefed<DOMMatrix> DOMMatrixReadOnly::Inverse() const {
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RefPtr<DOMMatrix> retval = new DOMMatrix(mParent, *this);
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retval->InvertSelf();
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return retval.forget();
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}
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bool DOMMatrixReadOnly::Is2D() const { return !mMatrix3D; }
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bool DOMMatrixReadOnly::IsIdentity() const {
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if (mMatrix3D) {
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return mMatrix3D->IsIdentity();
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}
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return mMatrix2D->IsIdentity();
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}
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already_AddRefed<DOMPoint> DOMMatrixReadOnly::TransformPoint(
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const DOMPointInit& point) const {
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RefPtr<DOMPoint> retval = new DOMPoint(mParent);
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if (mMatrix3D) {
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gfx::Point4D transformedPoint;
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transformedPoint.x = point.mX;
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transformedPoint.y = point.mY;
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transformedPoint.z = point.mZ;
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transformedPoint.w = point.mW;
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transformedPoint = mMatrix3D->TransformPoint(transformedPoint);
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retval->SetX(transformedPoint.x);
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retval->SetY(transformedPoint.y);
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retval->SetZ(transformedPoint.z);
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retval->SetW(transformedPoint.w);
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} else if (point.mZ != 0 || point.mW != 1.0) {
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gfx::Matrix4x4Double tempMatrix(gfx::Matrix4x4Double::From2D(*mMatrix2D));
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gfx::PointDouble4D transformedPoint;
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transformedPoint.x = point.mX;
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transformedPoint.y = point.mY;
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transformedPoint.z = point.mZ;
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transformedPoint.w = point.mW;
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transformedPoint = tempMatrix.TransformPoint(transformedPoint);
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retval->SetX(transformedPoint.x);
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retval->SetY(transformedPoint.y);
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retval->SetZ(transformedPoint.z);
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retval->SetW(transformedPoint.w);
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} else {
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gfx::PointDouble transformedPoint;
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transformedPoint.x = point.mX;
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transformedPoint.y = point.mY;
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transformedPoint = mMatrix2D->TransformPoint(transformedPoint);
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retval->SetX(transformedPoint.x);
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retval->SetY(transformedPoint.y);
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retval->SetZ(point.mZ);
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retval->SetW(point.mW);
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}
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return retval.forget();
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}
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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 (!mozilla::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 {
|
|
#define WriteDouble(d) \
|
|
JS_WriteUint32Pair(aWriter, (BitwiseCast<uint64_t>(d) >> 32) & 0xffffffff, \
|
|
BitwiseCast<uint64_t>(d) & 0xffffffff)
|
|
|
|
const uint8_t is2D = Is2D();
|
|
|
|
if (!JS_WriteBytes(aWriter, &is2D, 1)) {
|
|
return false;
|
|
}
|
|
|
|
if (is2D == 1) {
|
|
return WriteDouble(mMatrix2D->_11) && WriteDouble(mMatrix2D->_12) &&
|
|
WriteDouble(mMatrix2D->_21) && WriteDouble(mMatrix2D->_22) &&
|
|
WriteDouble(mMatrix2D->_31) && WriteDouble(mMatrix2D->_32);
|
|
}
|
|
|
|
return WriteDouble(mMatrix3D->_11) && WriteDouble(mMatrix3D->_12) &&
|
|
WriteDouble(mMatrix3D->_13) && WriteDouble(mMatrix3D->_14) &&
|
|
WriteDouble(mMatrix3D->_21) && WriteDouble(mMatrix3D->_22) &&
|
|
WriteDouble(mMatrix3D->_23) && WriteDouble(mMatrix3D->_24) &&
|
|
WriteDouble(mMatrix3D->_31) && WriteDouble(mMatrix3D->_32) &&
|
|
WriteDouble(mMatrix3D->_33) && WriteDouble(mMatrix3D->_34) &&
|
|
WriteDouble(mMatrix3D->_41) && WriteDouble(mMatrix3D->_42) &&
|
|
WriteDouble(mMatrix3D->_43) && WriteDouble(mMatrix3D->_44);
|
|
|
|
#undef WriteDouble
|
|
}
|
|
|
|
bool DOMMatrixReadOnly::ReadStructuredCloneElements(
|
|
JSStructuredCloneReader* aReader, DOMMatrixReadOnly* matrix) {
|
|
uint32_t high;
|
|
uint32_t low;
|
|
|
|
#define ReadDouble(d) \
|
|
if (!JS_ReadUint32Pair(aReader, &high, &low)) { \
|
|
return false; \
|
|
} \
|
|
(*(d) = BitwiseCast<double>(static_cast<uint64_t>(high) << 32 | low))
|
|
|
|
if (matrix->Is2D() == 1) {
|
|
ReadDouble(&(matrix->mMatrix2D->_11));
|
|
ReadDouble(&(matrix->mMatrix2D->_12));
|
|
ReadDouble(&(matrix->mMatrix2D->_21));
|
|
ReadDouble(&(matrix->mMatrix2D->_22));
|
|
ReadDouble(&(matrix->mMatrix2D->_31));
|
|
ReadDouble(&(matrix->mMatrix2D->_32));
|
|
} else {
|
|
ReadDouble(&(matrix->mMatrix3D->_11));
|
|
ReadDouble(&(matrix->mMatrix3D->_12));
|
|
ReadDouble(&(matrix->mMatrix3D->_13));
|
|
ReadDouble(&(matrix->mMatrix3D->_14));
|
|
ReadDouble(&(matrix->mMatrix3D->_21));
|
|
ReadDouble(&(matrix->mMatrix3D->_22));
|
|
ReadDouble(&(matrix->mMatrix3D->_23));
|
|
ReadDouble(&(matrix->mMatrix3D->_24));
|
|
ReadDouble(&(matrix->mMatrix3D->_31));
|
|
ReadDouble(&(matrix->mMatrix3D->_32));
|
|
ReadDouble(&(matrix->mMatrix3D->_33));
|
|
ReadDouble(&(matrix->mMatrix3D->_34));
|
|
ReadDouble(&(matrix->mMatrix3D->_41));
|
|
ReadDouble(&(matrix->mMatrix3D->_42));
|
|
ReadDouble(&(matrix->mMatrix3D->_43));
|
|
ReadDouble(&(matrix->mMatrix3D->_44));
|
|
}
|
|
|
|
return true;
|
|
|
|
#undef ReadDouble
|
|
}
|
|
|
|
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
|