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/*
* Copyright (C) 2017 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "DOMMatrixReadOnly.h"
#include "CSSParser.h"
#include "CSSToLengthConversionData.h"
#include "DOMMatrix.h"
#include "DOMPoint.h"
#include "ScriptExecutionContext.h"
#include "StyleProperties.h"
#include "TransformFunctions.h"
#include <JavaScriptCore/GenericTypedArrayViewInlines.h>
#include <JavaScriptCore/HeapInlines.h>
#include <JavaScriptCore/JSGenericTypedArrayViewInlines.h>
#include <wtf/IsoMallocInlines.h>
#include <wtf/text/StringBuilder.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(DOMMatrixReadOnly);
// https://drafts.fxtf.org/geometry/#dom-dommatrixreadonly-dommatrixreadonly
ExceptionOr<Ref<DOMMatrixReadOnly>> DOMMatrixReadOnly::create(ScriptExecutionContext& scriptExecutionContext, Optional<Variant<String, Vector<double>>>&& init)
{
if (!init)
return adoptRef(*new DOMMatrixReadOnly);
return WTF::switchOn(init.value(),
[&scriptExecutionContext](const String& init) -> ExceptionOr<Ref<DOMMatrixReadOnly>> {
if (!scriptExecutionContext.isDocument())
return Exception { TypeError };
auto parseResult = parseStringIntoAbstractMatrix(init);
if (parseResult.hasException())
return parseResult.releaseException();
return adoptRef(*new DOMMatrixReadOnly(parseResult.returnValue().matrix, parseResult.returnValue().is2D ? Is2D::Yes : Is2D::No));
},
[](const Vector<double>& init) -> ExceptionOr<Ref<DOMMatrixReadOnly>> {
if (init.size() == 6) {
return adoptRef(*new DOMMatrixReadOnly(TransformationMatrix {
init[0], init[1], init[2], init[3], init[4], init[5]
}, Is2D::Yes));
}
if (init.size() == 16) {
return adoptRef(*new DOMMatrixReadOnly(TransformationMatrix {
init[0], init[1], init[2], init[3],
init[4], init[5], init[6], init[7],
init[8], init[9], init[10], init[11],
init[12], init[13], init[14], init[15]
}, Is2D::No));
}
return Exception { TypeError };
}
);
}
DOMMatrixReadOnly::DOMMatrixReadOnly(const TransformationMatrix& matrix, Is2D is2D)
: m_matrix(matrix)
, m_is2D(is2D == Is2D::Yes)
{
ASSERT(!m_is2D || m_matrix.isAffine());
}
DOMMatrixReadOnly::DOMMatrixReadOnly(TransformationMatrix&& matrix, Is2D is2D)
: m_matrix(WTFMove(matrix))
, m_is2D(is2D == Is2D::Yes)
{
ASSERT(!m_is2D || m_matrix.isAffine());
}
inline Ref<DOMMatrix> DOMMatrixReadOnly::cloneAsDOMMatrix() const
{
return DOMMatrix::create(m_matrix, m_is2D ? Is2D::Yes : Is2D::No);
}
// https://tc39.github.io/ecma262/#sec-samevaluezero
static bool sameValueZero(double a, double b)
{
if (std::isnan(a) && std::isnan(b))
return true;
return a == b;
}
// https://drafts.fxtf.org/geometry/#matrix-validate-and-fixup
ExceptionOr<void> DOMMatrixReadOnly::validateAndFixup(DOMMatrix2DInit& init)
{
if (init.a && init.m11 && !sameValueZero(init.a.value(), init.m11.value()))
return Exception { TypeError, "init.a and init.m11 do not match"_s };
if (init.b && init.m12 && !sameValueZero(init.b.value(), init.m12.value()))
return Exception { TypeError, "init.b and init.m12 do not match"_s };
if (init.c && init.m21 && !sameValueZero(init.c.value(), init.m21.value()))
return Exception { TypeError, "init.c and init.m21 do not match"_s };
if (init.d && init.m22 && !sameValueZero(init.d.value(), init.m22.value()))
return Exception { TypeError, "init.d and init.m22 do not match"_s };
if (init.e && init.m41 && !sameValueZero(init.e.value(), init.m41.value()))
return Exception { TypeError, "init.e and init.m41 do not match"_s };
if (init.f && init.m42 && !sameValueZero(init.f.value(), init.m42.value()))
return Exception { TypeError, "init.f and init.m42 do not match"_s };
if (!init.m11)
init.m11 = init.a.valueOr(1);
if (!init.m12)
init.m12 = init.b.valueOr(0);
if (!init.m21)
init.m21 = init.c.valueOr(0);
if (!init.m22)
init.m22 = init.d.valueOr(1);
if (!init.m41)
init.m41 = init.e.valueOr(0);
if (!init.m42)
init.m42 = init.f.valueOr(0);
return { };
}
ExceptionOr<void> DOMMatrixReadOnly::validateAndFixup(DOMMatrixInit& init)
{
auto validate2D = validateAndFixup(static_cast<DOMMatrix2DInit&>(init));
if (validate2D.hasException())
return validate2D.releaseException();
if (init.is2D && init.is2D.value()) {
if (init.m13)
return Exception { TypeError, "m13 should be 0 for a 2D matrix"_s };
if (init.m14)
return Exception { TypeError, "m14 should be 0 for a 2D matrix"_s };
if (init.m23)
return Exception { TypeError, "m23 should be 0 for a 2D matrix"_s };
if (init.m24)
return Exception { TypeError, "m24 should be 0 for a 2D matrix"_s };
if (init.m31)
return Exception { TypeError, "m31 should be 0 for a 2D matrix"_s };
if (init.m32)
return Exception { TypeError, "m32 should be 0 for a 2D matrix"_s };
if (init.m34)
return Exception { TypeError, "m34 should be 0 for a 2D matrix"_s };
if (init.m43)
return Exception { TypeError, "m43 should be 0 for a 2D matrix"_s };
if (init.m33 != 1)
return Exception { TypeError, "m33 should be 1 for a 2D matrix"_s };
if (init.m44 != 1)
return Exception { TypeError, "m44 should be 1 for a 2D matrix"_s };
}
if (!init.is2D) {
if (init.m13 || init.m14 || init.m23 || init.m24 || init.m31 || init.m32 || init.m34 || init.m43 || init.m33 != 1 || init.m44 != 1)
init.is2D = false;
else
init.is2D = true;
}
return { };
}
ExceptionOr<Ref<DOMMatrixReadOnly>> DOMMatrixReadOnly::fromMatrix(DOMMatrixInit&& init)
{
return fromMatrixHelper<DOMMatrixReadOnly>(WTFMove(init));
}
ExceptionOr<Ref<DOMMatrixReadOnly>> DOMMatrixReadOnly::fromFloat32Array(Ref<Float32Array>&& array32)
{
if (array32->length() == 6)
return DOMMatrixReadOnly::create(TransformationMatrix(array32->item(0), array32->item(1), array32->item(2), array32->item(3), array32->item(4), array32->item(5)), Is2D::Yes);
if (array32->length() == 16) {
return DOMMatrixReadOnly::create(TransformationMatrix(
array32->item(0), array32->item(1), array32->item(2), array32->item(3),
array32->item(4), array32->item(5), array32->item(6), array32->item(7),
array32->item(8), array32->item(9), array32->item(10), array32->item(11),
array32->item(12), array32->item(13), array32->item(14), array32->item(15)
), Is2D::No);
}
return Exception { TypeError };
}
ExceptionOr<Ref<DOMMatrixReadOnly>> DOMMatrixReadOnly::fromFloat64Array(Ref<Float64Array>&& array64)
{
if (array64->length() == 6)
return DOMMatrixReadOnly::create(TransformationMatrix(array64->item(0), array64->item(1), array64->item(2), array64->item(3), array64->item(4), array64->item(5)), Is2D::Yes);
if (array64->length() == 16) {
return DOMMatrixReadOnly::create(TransformationMatrix(
array64->item(0), array64->item(1), array64->item(2), array64->item(3),
array64->item(4), array64->item(5), array64->item(6), array64->item(7),
array64->item(8), array64->item(9), array64->item(10), array64->item(11),
array64->item(12), array64->item(13), array64->item(14), array64->item(15)
), Is2D::No);
}
return Exception { TypeError };
}
bool DOMMatrixReadOnly::isIdentity() const
{
return m_matrix.isIdentity();
}
ExceptionOr<DOMMatrixReadOnly::AbstractMatrix> DOMMatrixReadOnly::parseStringIntoAbstractMatrix(const String& string)
{
if (string.isEmpty())
return AbstractMatrix { };
auto styleDeclaration = MutableStyleProperties::create();
if (CSSParser::parseValue(styleDeclaration, CSSPropertyTransform, string, true, HTMLStandardMode) == CSSParser::ParseResult::Error)
return Exception { SyntaxError };
// Convert to TransformOperations. This can fail if a property requires style (i.e., param uses 'ems' or 'exs')
auto value = styleDeclaration->getPropertyCSSValue(CSSPropertyTransform);
// Check for a "none" or empty transform. In these cases we can use the default identity matrix.
if (!value || (is<CSSPrimitiveValue>(*value) && downcast<CSSPrimitiveValue>(*value).valueID() == CSSValueNone))
return AbstractMatrix { };
TransformOperations operations;
if (!transformsForValue(*value, CSSToLengthConversionData(), operations))
return Exception { SyntaxError };
AbstractMatrix matrix;
for (auto& operation : operations.operations()) {
if (operation->apply(matrix.matrix, { 0, 0 }))
return Exception { SyntaxError };
if (operation->is3DOperation())
matrix.is2D = false;
}
return matrix;
}
// https://drafts.fxtf.org/geometry/#dom-dommatrix-setmatrixvalue
ExceptionOr<void> DOMMatrixReadOnly::setMatrixValue(const String& string)
{
auto parseResult = parseStringIntoAbstractMatrix(string);
if (parseResult.hasException())
return parseResult.releaseException();
m_is2D = parseResult.returnValue().is2D;
m_matrix = parseResult.returnValue().matrix;
return { };
}
Ref<DOMMatrix> DOMMatrixReadOnly::translate(double tx, double ty, double tz)
{
auto matrix = cloneAsDOMMatrix();
return matrix->translateSelf(tx, ty, tz);
}
// https://drafts.fxtf.org/geometry/#dom-dommatrixreadonly-flipx
Ref<DOMMatrix> DOMMatrixReadOnly::flipX()
{
auto matrix = cloneAsDOMMatrix();
matrix->m_matrix.flipX();
return matrix;
}
// https://drafts.fxtf.org/geometry/#dom-dommatrixreadonly-flipy
Ref<DOMMatrix> DOMMatrixReadOnly::flipY()
{
auto matrix = cloneAsDOMMatrix();
matrix->m_matrix.flipY();
return matrix;
}
ExceptionOr<Ref<DOMMatrix>> DOMMatrixReadOnly::multiply(DOMMatrixInit&& other) const
{
auto matrix = cloneAsDOMMatrix();
return matrix->multiplySelf(WTFMove(other));
}
Ref<DOMMatrix> DOMMatrixReadOnly::scale(double scaleX, Optional<double> scaleY, double scaleZ, double originX, double originY, double originZ)
{
auto matrix = cloneAsDOMMatrix();
return matrix->scaleSelf(scaleX, scaleY, scaleZ, originX, originY, originZ);
}
Ref<DOMMatrix> DOMMatrixReadOnly::scale3d(double scale, double originX, double originY, double originZ)
{
auto matrix = cloneAsDOMMatrix();
return matrix->scale3dSelf(scale, originX, originY, originZ);
}
Ref<DOMMatrix> DOMMatrixReadOnly::rotate(double rotX, Optional<double> rotY, Optional<double> rotZ)
{
auto matrix = cloneAsDOMMatrix();
return matrix->rotateSelf(rotX, rotY, rotZ);
}
Ref<DOMMatrix> DOMMatrixReadOnly::rotateFromVector(double x, double y)
{
auto matrix = cloneAsDOMMatrix();
return matrix->rotateFromVectorSelf(x, y);
}
Ref<DOMMatrix> DOMMatrixReadOnly::rotateAxisAngle(double x, double y, double z, double angle)
{
auto matrix = cloneAsDOMMatrix();
return matrix->rotateAxisAngleSelf(x, y, z, angle);
}
Ref<DOMMatrix> DOMMatrixReadOnly::skewX(double sx)
{
auto matrix = cloneAsDOMMatrix();
return matrix->skewXSelf(sx);
}
Ref<DOMMatrix> DOMMatrixReadOnly::skewY(double sy)
{
auto matrix = cloneAsDOMMatrix();
return matrix->skewYSelf(sy);
}
Ref<DOMMatrix> DOMMatrixReadOnly::inverse() const
{
auto matrix = cloneAsDOMMatrix();
return matrix->invertSelf();
}
// https://drafts.fxtf.org/geometry/#dom-dommatrixreadonly-transformpoint
Ref<DOMPoint> DOMMatrixReadOnly::transformPoint(DOMPointInit&& pointInit)
{
m_matrix.map4ComponentPoint(pointInit.x, pointInit.y, pointInit.z, pointInit.w);
return DOMPoint::create(pointInit.x, pointInit.y, pointInit.z, pointInit.w);
}
ExceptionOr<Ref<Float32Array>> DOMMatrixReadOnly::toFloat32Array() const
{
auto array32 = Float32Array::tryCreateUninitialized(16);
if (!array32)
return Exception { UnknownError, "Out of memory"_s };
unsigned index = 0;
array32->set(index++, m_matrix.m11());
array32->set(index++, m_matrix.m12());
array32->set(index++, m_matrix.m13());
array32->set(index++, m_matrix.m14());
array32->set(index++, m_matrix.m21());
array32->set(index++, m_matrix.m22());
array32->set(index++, m_matrix.m23());
array32->set(index++, m_matrix.m24());
array32->set(index++, m_matrix.m31());
array32->set(index++, m_matrix.m32());
array32->set(index++, m_matrix.m33());
array32->set(index++, m_matrix.m34());
array32->set(index++, m_matrix.m41());
array32->set(index++, m_matrix.m42());
array32->set(index++, m_matrix.m43());
array32->set(index, m_matrix.m44());
return array32.releaseNonNull();
}
ExceptionOr<Ref<Float64Array>> DOMMatrixReadOnly::toFloat64Array() const
{
auto array64 = Float64Array::tryCreateUninitialized(16);
if (!array64)
return Exception { UnknownError, "Out of memory"_s };
unsigned index = 0;
array64->set(index++, m_matrix.m11());
array64->set(index++, m_matrix.m12());
array64->set(index++, m_matrix.m13());
array64->set(index++, m_matrix.m14());
array64->set(index++, m_matrix.m21());
array64->set(index++, m_matrix.m22());
array64->set(index++, m_matrix.m23());
array64->set(index++, m_matrix.m24());
array64->set(index++, m_matrix.m31());
array64->set(index++, m_matrix.m32());
array64->set(index++, m_matrix.m33());
array64->set(index++, m_matrix.m34());
array64->set(index++, m_matrix.m41());
array64->set(index++, m_matrix.m42());
array64->set(index++, m_matrix.m43());
array64->set(index, m_matrix.m44());
return array64.releaseNonNull();
}
// https://drafts.fxtf.org/geometry/#dom-dommatrixreadonly-stringifier
ExceptionOr<String> DOMMatrixReadOnly::toString() const
{
if (!m_matrix.containsOnlyFiniteValues())
return Exception { InvalidStateError, "Matrix contains non-finite values"_s };
StringBuilder builder;
if (is2D()) {
builder.appendLiteral("matrix(");
builder.appendECMAScriptNumber(m_matrix.a());
builder.appendLiteral(", ");
builder.appendECMAScriptNumber(m_matrix.b());
builder.appendLiteral(", ");
builder.appendECMAScriptNumber(m_matrix.c());
builder.appendLiteral(", ");
builder.appendECMAScriptNumber(m_matrix.d());
builder.appendLiteral(", ");
builder.appendECMAScriptNumber(m_matrix.e());
builder.appendLiteral(", ");
builder.appendECMAScriptNumber(m_matrix.f());
} else {
builder.appendLiteral("matrix3d(");
builder.appendECMAScriptNumber(m_matrix.m11());
builder.appendLiteral(", ");
builder.appendECMAScriptNumber(m_matrix.m12());
builder.appendLiteral(", ");
builder.appendECMAScriptNumber(m_matrix.m13());
builder.appendLiteral(", ");
builder.appendECMAScriptNumber(m_matrix.m14());
builder.appendLiteral(", ");
builder.appendECMAScriptNumber(m_matrix.m21());
builder.appendLiteral(", ");
builder.appendECMAScriptNumber(m_matrix.m22());
builder.appendLiteral(", ");
builder.appendECMAScriptNumber(m_matrix.m23());
builder.appendLiteral(", ");
builder.appendECMAScriptNumber(m_matrix.m24());
builder.appendLiteral(", ");
builder.appendECMAScriptNumber(m_matrix.m31());
builder.appendLiteral(", ");
builder.appendECMAScriptNumber(m_matrix.m32());
builder.appendLiteral(", ");
builder.appendECMAScriptNumber(m_matrix.m33());
builder.appendLiteral(", ");
builder.appendECMAScriptNumber(m_matrix.m34());
builder.appendLiteral(", ");
builder.appendECMAScriptNumber(m_matrix.m41());
builder.appendLiteral(", ");
builder.appendECMAScriptNumber(m_matrix.m42());
builder.appendLiteral(", ");
builder.appendECMAScriptNumber(m_matrix.m43());
builder.appendLiteral(", ");
builder.appendECMAScriptNumber(m_matrix.m44());
}
builder.append(')');
return builder.toString();
}
} // namespace WebCore