WebKitCSSMatrix.cpp [plain text]
#include "config.h"
#include "WebKitCSSMatrix.h"
#include "CSSParser.h"
#include "CSSPrimitiveValue.h"
#include "CSSPropertyNames.h"
#include "CSSToLengthConversionData.h"
#include "CSSValueKeywords.h"
#include "StyleProperties.h"
#include "TransformFunctions.h"
#include <wtf/IsoMallocInlines.h>
#include <wtf/MathExtras.h>
#include <wtf/text/StringConcatenateNumbers.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(WebKitCSSMatrix);
inline WebKitCSSMatrix::WebKitCSSMatrix(const TransformationMatrix& matrix)
: m_matrix(matrix)
{
}
Ref<WebKitCSSMatrix> WebKitCSSMatrix::create(const TransformationMatrix& matrix)
{
return adoptRef(*new WebKitCSSMatrix(matrix));
}
ExceptionOr<Ref<WebKitCSSMatrix>> WebKitCSSMatrix::create(const String& string)
{
auto result = adoptRef(*new WebKitCSSMatrix);
auto setMatrixValueResult = result->setMatrixValue(string);
if (setMatrixValueResult.hasException())
return setMatrixValueResult.releaseException();
return result;
}
WebKitCSSMatrix::~WebKitCSSMatrix() = default;
ExceptionOr<void> WebKitCSSMatrix::setMatrixValue(const String& string)
{
if (string.isEmpty())
return { };
auto styleDeclaration = MutableStyleProperties::create();
if (CSSParser::parseValue(styleDeclaration, CSSPropertyTransform, string, true, HTMLStandardMode) == CSSParser::ParseResult::Error)
return Exception { SyntaxError };
auto value = styleDeclaration->getPropertyCSSValue(CSSPropertyTransform);
if (!value || (is<CSSPrimitiveValue>(*value) && downcast<CSSPrimitiveValue>(*value).valueID() == CSSValueNone))
return { };
TransformOperations operations;
if (!transformsForValue(*value, CSSToLengthConversionData(), operations))
return Exception { SyntaxError };
TransformationMatrix matrix;
for (auto& operation : operations.operations()) {
if (operation->apply(matrix, IntSize(0, 0)))
return Exception { SyntaxError };
}
m_matrix = matrix;
return { };
}
RefPtr<WebKitCSSMatrix> WebKitCSSMatrix::multiply(WebKitCSSMatrix* secondMatrix) const
{
if (!secondMatrix)
return nullptr;
auto matrix = create(m_matrix);
matrix->m_matrix.multiply(secondMatrix->m_matrix);
return matrix;
}
ExceptionOr<Ref<WebKitCSSMatrix>> WebKitCSSMatrix::inverse() const
{
auto inverse = m_matrix.inverse();
if (!inverse)
return Exception { NotSupportedError };
return create(inverse.value());
}
Ref<WebKitCSSMatrix> WebKitCSSMatrix::translate(double x, double y, double z) const
{
if (std::isnan(x))
x = 0;
if (std::isnan(y))
y = 0;
if (std::isnan(z))
z = 0;
auto matrix = create(m_matrix);
matrix->m_matrix.translate3d(x, y, z);
return matrix;
}
Ref<WebKitCSSMatrix> WebKitCSSMatrix::scale(double scaleX, double scaleY, double scaleZ) const
{
if (std::isnan(scaleX))
scaleX = 1;
if (std::isnan(scaleY))
scaleY = scaleX;
if (std::isnan(scaleZ))
scaleZ = 1;
auto matrix = create(m_matrix);
matrix->m_matrix.scale3d(scaleX, scaleY, scaleZ);
return matrix;
}
Ref<WebKitCSSMatrix> WebKitCSSMatrix::rotate(double rotX, double rotY, double rotZ) const
{
if (std::isnan(rotX))
rotX = 0;
if (std::isnan(rotY) && std::isnan(rotZ)) {
rotZ = rotX;
rotX = 0;
rotY = 0;
}
if (std::isnan(rotY))
rotY = 0;
if (std::isnan(rotZ))
rotZ = 0;
auto matrix = create(m_matrix);
matrix->m_matrix.rotate3d(rotX, rotY, rotZ);
return matrix;
}
Ref<WebKitCSSMatrix> WebKitCSSMatrix::rotateAxisAngle(double x, double y, double z, double angle) const
{
if (std::isnan(x))
x = 0;
if (std::isnan(y))
y = 0;
if (std::isnan(z))
z = 0;
if (std::isnan(angle))
angle = 0;
if (x == 0 && y == 0 && z == 0)
z = 1;
auto matrix = create(m_matrix);
matrix->m_matrix.rotate3d(x, y, z, angle);
return matrix;
}
Ref<WebKitCSSMatrix> WebKitCSSMatrix::skewX(double angle) const
{
if (std::isnan(angle))
angle = 0;
auto matrix = create(m_matrix);
matrix->m_matrix.skewX(angle);
return matrix;
}
Ref<WebKitCSSMatrix> WebKitCSSMatrix::skewY(double angle) const
{
if (std::isnan(angle))
angle = 0;
auto matrix = create(m_matrix);
matrix->m_matrix.skewY(angle);
return matrix;
}
ExceptionOr<String> WebKitCSSMatrix::toString() const
{
if (!m_matrix.containsOnlyFiniteValues())
return Exception { InvalidStateError, "Matrix contains non-finite values"_s };
if (m_matrix.isAffine())
return makeString("matrix(", m_matrix.a(), ", ", m_matrix.b(), ", ", m_matrix.c(), ", ", m_matrix.d(), ", ", m_matrix.e(), ", ", m_matrix.f(), ')');
return makeString("matrix3d(", m_matrix.m11(), ", ", m_matrix.m12(), ", ", m_matrix.m13(), ", ", m_matrix.m14(), ", ", m_matrix.m21(), ", ", m_matrix.m22(), ", ", m_matrix.m23(), ", ", m_matrix.m24(), ", ", m_matrix.m31(), ", ", m_matrix.m32(), ", ", m_matrix.m33(), ", ", m_matrix.m34(), ", ", m_matrix.m41(), ", ", m_matrix.m42(), ", ", m_matrix.m43(), ", ", m_matrix.m44(), ')');
}
}