diff options
Diffstat (limited to 'Source/WebCore/svg/SVGTransform.cpp')
| -rw-r--r-- | Source/WebCore/svg/SVGTransform.cpp | 252 |
1 files changed, 23 insertions, 229 deletions
diff --git a/Source/WebCore/svg/SVGTransform.cpp b/Source/WebCore/svg/SVGTransform.cpp index 5f9d56f46..59037945a 100644 --- a/Source/WebCore/svg/SVGTransform.cpp +++ b/Source/WebCore/svg/SVGTransform.cpp @@ -1,244 +1,38 @@ /* - * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org> - * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org> + * Copyright (C) 2016 Apple Inc. All rights reserved. * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. + * 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 library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public License - * along with this library; see the file COPYING.LIB. If not, write to - * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - * Boston, MA 02110-1301, USA. + * 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" - -#if ENABLE(SVG) #include "SVGTransform.h" -#include "FloatConversion.h" -#include "FloatPoint.h" -#include "FloatSize.h" -#include "SVGAngle.h" -#include "SVGSVGElement.h" -#include <wtf/MathExtras.h> -#include <wtf/text/StringBuilder.h> -#include <wtf/text/WTFString.h> +#include "SVGMatrixTearOff.h" namespace WebCore { -SVGTransform::SVGTransform() - : m_type(SVG_TRANSFORM_UNKNOWN) - , m_angle(0) +Ref<SVGMatrix> SVGTransform::matrix() { -} - -SVGTransform::SVGTransform(SVGTransformType type, ConstructionMode mode) - : m_type(type) - , m_angle(0) -{ - if (mode == ConstructZeroTransform) - m_matrix = AffineTransform(0, 0, 0, 0, 0, 0); -} - -SVGTransform::SVGTransform(const AffineTransform& matrix) - : m_type(SVG_TRANSFORM_MATRIX) - , m_angle(0) - , m_matrix(matrix) -{ -} - -void SVGTransform::setMatrix(const AffineTransform& matrix) -{ - m_type = SVG_TRANSFORM_MATRIX; - m_angle = 0; - m_matrix = matrix; -} - -void SVGTransform::updateSVGMatrix() -{ - // The underlying matrix has been changed, alter the transformation type. - // Spec: In case the matrix object is changed directly (i.e., without using the methods on the SVGTransform interface itself) - // then the type of the SVGTransform changes to SVG_TRANSFORM_MATRIX. - m_type = SVG_TRANSFORM_MATRIX; - m_angle = 0; -} - -void SVGTransform::setTranslate(float tx, float ty) -{ - m_type = SVG_TRANSFORM_TRANSLATE; - m_angle = 0; - - m_matrix.makeIdentity(); - m_matrix.translate(tx, ty); -} - -FloatPoint SVGTransform::translate() const -{ - return FloatPoint::narrowPrecision(m_matrix.e(), m_matrix.f()); -} - -void SVGTransform::setScale(float sx, float sy) -{ - m_type = SVG_TRANSFORM_SCALE; - m_angle = 0; - m_center = FloatPoint(); - - m_matrix.makeIdentity(); - m_matrix.scaleNonUniform(sx, sy); -} - -FloatSize SVGTransform::scale() const -{ - return FloatSize::narrowPrecision(m_matrix.a(), m_matrix.d()); -} - -void SVGTransform::setRotate(float angle, float cx, float cy) -{ - m_type = SVG_TRANSFORM_ROTATE; - m_angle = angle; - m_center = FloatPoint(cx, cy); - - // TODO: toString() implementation, which can show cx, cy (need to be stored?) - m_matrix.makeIdentity(); - m_matrix.translate(cx, cy); - m_matrix.rotate(angle); - m_matrix.translate(-cx, -cy); -} - -void SVGTransform::setSkewX(float angle) -{ - m_type = SVG_TRANSFORM_SKEWX; - m_angle = angle; - - m_matrix.makeIdentity(); - m_matrix.skewX(angle); -} - -void SVGTransform::setSkewY(float angle) -{ - m_type = SVG_TRANSFORM_SKEWY; - m_angle = angle; - - m_matrix.makeIdentity(); - m_matrix.skewY(angle); -} - -const String& SVGTransform::transformTypePrefixForParsing(SVGTransformType type) -{ - switch (type) { - case SVG_TRANSFORM_UNKNOWN: - return emptyString(); - case SVG_TRANSFORM_MATRIX: { - DEFINE_STATIC_LOCAL(String, matrixString, (ASCIILiteral("matrix("))); - return matrixString; - } - case SVG_TRANSFORM_TRANSLATE: { - DEFINE_STATIC_LOCAL(String, translateString, (ASCIILiteral("translate("))); - return translateString; - } - case SVG_TRANSFORM_SCALE: { - DEFINE_STATIC_LOCAL(String, scaleString, (ASCIILiteral("scale("))); - return scaleString; - } - case SVG_TRANSFORM_ROTATE: { - DEFINE_STATIC_LOCAL(String, rotateString, (ASCIILiteral("rotate("))); - return rotateString; - } - case SVG_TRANSFORM_SKEWX: { - DEFINE_STATIC_LOCAL(String, skewXString, (ASCIILiteral("skewX("))); - return skewXString; - } - case SVG_TRANSFORM_SKEWY: { - DEFINE_STATIC_LOCAL(String, skewYString, (ASCIILiteral("skewY("))); - return skewYString; - } - } - - ASSERT_NOT_REACHED(); - return emptyString(); -} - -String SVGTransform::valueAsString() const -{ - const String& prefix = transformTypePrefixForParsing(m_type); - switch (m_type) { - case SVG_TRANSFORM_UNKNOWN: - return prefix; - case SVG_TRANSFORM_MATRIX: { - StringBuilder builder; - builder.append(prefix); - builder.appendNumber(m_matrix.a()); - builder.append(' '); - builder.appendNumber(m_matrix.b()); - builder.append(' '); - builder.appendNumber(m_matrix.c()); - builder.append(' '); - builder.appendNumber(m_matrix.d()); - builder.append(' '); - builder.appendNumber(m_matrix.e()); - builder.append(' '); - builder.appendNumber(m_matrix.f()); - builder.append(')'); - return builder.toString(); - } - case SVG_TRANSFORM_TRANSLATE: { - StringBuilder builder; - builder.append(prefix); - builder.appendNumber(m_matrix.e()); - builder.append(' '); - builder.appendNumber(m_matrix.f()); - builder.append(')'); - return builder.toString(); - } - case SVG_TRANSFORM_SCALE: { - StringBuilder builder; - builder.append(prefix); - builder.appendNumber(m_matrix.xScale()); - builder.append(' '); - builder.appendNumber(m_matrix.yScale()); - builder.append(')'); - return builder.toString(); - } - case SVG_TRANSFORM_ROTATE: { - double angleInRad = deg2rad(m_angle); - double cosAngle = cos(angleInRad); - double sinAngle = sin(angleInRad); - float cx = narrowPrecisionToFloat(cosAngle != 1 ? (m_matrix.e() * (1 - cosAngle) - m_matrix.f() * sinAngle) / (1 - cosAngle) / 2 : 0); - float cy = narrowPrecisionToFloat(cosAngle != 1 ? (m_matrix.e() * sinAngle / (1 - cosAngle) + m_matrix.f()) / 2 : 0); - StringBuilder builder; - builder.append(prefix); - builder.appendNumber(m_angle); - if (cx || cy) { - builder.append(' '); - builder.appendNumber(cx); - builder.append(' '); - builder.appendNumber(cy); - } - builder.append(')'); - return builder.toString(); - } - case SVG_TRANSFORM_SKEWX: - case SVG_TRANSFORM_SKEWY: { - StringBuilder builder; - builder.append(prefix); - builder.appendNumber(m_angle); - builder.append(')'); - return builder.toString(); - } - } - - ASSERT_NOT_REACHED(); - return emptyString(); + return SVGMatrixTearOff::create(*this, propertyReference().svgMatrix()); } } // namespace WebCore - -#endif // ENABLE(SVG) |