blob: 7bde64d3a5c8af05b982d4e79b3864578d9c901b [file] [log] [blame]
/*
* Copyright (C) 2008 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. ``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
* 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 "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/MathExtras.h>
#include <wtf/text/StringBuilder.h>
namespace WebCore {
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 WTFMove(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 };
// 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 { };
TransformOperations operations;
if (!transformsForValue(*value, CSSToLengthConversionData(), operations))
return Exception { SyntaxError };
// Convert transform operations to a TransformationMatrix. This can fail if a parameter has a percentage ('%').
TransformationMatrix matrix;
for (auto& operation : operations.operations()) {
if (operation->apply(matrix, IntSize(0, 0)))
return Exception { SyntaxError };
}
m_matrix = matrix;
return { };
}
// Perform a concatenation of the matrices (this * secondMatrix)
RefPtr<WebKitCSSMatrix> WebKitCSSMatrix::multiply(WebKitCSSMatrix* secondMatrix) const
{
if (!secondMatrix)
return nullptr;
auto matrix = create(m_matrix);
matrix->m_matrix.multiply(secondMatrix->m_matrix);
return WTFMove(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, ASCIILiteral("Matrix contains non-finite values") };
StringBuilder builder;
if (m_matrix.isAffine()) {
builder.appendLiteral("matrix(");
builder.append(String::numberToStringECMAScript(m_matrix.a()));
builder.appendLiteral(", ");
builder.append(String::numberToStringECMAScript(m_matrix.b()));
builder.appendLiteral(", ");
builder.append(String::numberToStringECMAScript(m_matrix.c()));
builder.appendLiteral(", ");
builder.append(String::numberToStringECMAScript(m_matrix.d()));
builder.appendLiteral(", ");
builder.append(String::numberToStringECMAScript(m_matrix.e()));
builder.appendLiteral(", ");
builder.append(String::numberToStringECMAScript(m_matrix.f()));
} else {
builder.appendLiteral("matrix3d(");
builder.append(String::numberToStringECMAScript(m_matrix.m11()));
builder.appendLiteral(", ");
builder.append(String::numberToStringECMAScript(m_matrix.m12()));
builder.appendLiteral(", ");
builder.append(String::numberToStringECMAScript(m_matrix.m13()));
builder.appendLiteral(", ");
builder.append(String::numberToStringECMAScript(m_matrix.m14()));
builder.appendLiteral(", ");
builder.append(String::numberToStringECMAScript(m_matrix.m21()));
builder.appendLiteral(", ");
builder.append(String::numberToStringECMAScript(m_matrix.m22()));
builder.appendLiteral(", ");
builder.append(String::numberToStringECMAScript(m_matrix.m23()));
builder.appendLiteral(", ");
builder.append(String::numberToStringECMAScript(m_matrix.m24()));
builder.appendLiteral(", ");
builder.append(String::numberToStringECMAScript(m_matrix.m31()));
builder.appendLiteral(", ");
builder.append(String::numberToStringECMAScript(m_matrix.m32()));
builder.appendLiteral(", ");
builder.append(String::numberToStringECMAScript(m_matrix.m33()));
builder.appendLiteral(", ");
builder.append(String::numberToStringECMAScript(m_matrix.m34()));
builder.appendLiteral(", ");
builder.append(String::numberToStringECMAScript(m_matrix.m41()));
builder.appendLiteral(", ");
builder.append(String::numberToStringECMAScript(m_matrix.m42()));
builder.appendLiteral(", ");
builder.append(String::numberToStringECMAScript(m_matrix.m43()));
builder.appendLiteral(", ");
builder.append(String::numberToStringECMAScript(m_matrix.m44()));
}
builder.append(')');
return builder.toString();
}
} // namespace WebCore