1 /*

     2  * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>

     3  * Copyright (C) Research In Motion Limited 2010. All rights reserved.

     4  *

     5  * This library is free software; you can redistribute it and/or

     6  * modify it under the terms of the GNU Library General Public

     7  * License as published by the Free Software Foundation; either

     8  * version 2 of the License, or (at your option) any later version.

     9  *

    10  * This library is distributed in the hope that it will be useful,

    11  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    13  * Library General Public License for more details.

    14  *

    15  * You should have received a copy of the GNU Library General Public License

    16  * along with this library; see the file COPYING.LIB.  If not, write to

    17  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

    18  * Boston, MA 02110-1301, USA.

    19  *

    20  */

    21 

    22 #include "config.h"

    23 

    24 #if ENABLE(SVG)

    25 #include "RenderSVGResourceRadialGradient.h"

    26 

    27 #include "RadialGradientAttributes.h"

    28 #include "SVGRadialGradientElement.h"

    29 

    30 namespace WebCore {

    31 

    32 RenderSVGResourceType RenderSVGResourceRadialGradient::s_resourceType = RadialGradientResourceType;

    33 

    34 RenderSVGResourceRadialGradient::RenderSVGResourceRadialGradient(SVGRadialGradientElement* node)

    35     : RenderSVGResourceGradient(node)

    36 {

    37 }

    38 

    39 RenderSVGResourceRadialGradient::~RenderSVGResourceRadialGradient()

    40 {

    41 }

    42 

    43 void RenderSVGResourceRadialGradient::buildGradient(GradientData* gradientData, SVGGradientElement* gradientElement) const

    44 {

    45     SVGRadialGradientElement* radialGradientElement = static_cast<SVGRadialGradientElement*>(gradientElement);

    46     RadialGradientAttributes attributes = radialGradientElement->collectGradientProperties();

    47 

    48     // Determine gradient focal/center points and radius

    49     FloatPoint focalPoint;

    50     FloatPoint centerPoint;

    51     float radius;

    52     radialGradientElement->calculateFocalCenterPointsAndRadius(attributes, focalPoint, centerPoint, radius);

    53 

    54     gradientData->gradient = Gradient::create(focalPoint,

    55                                               0.0f, // SVG does not support a "focus radius"

    56                                               centerPoint,

    57                                               radius);

    58 

    59     gradientData->gradient->setSpreadMethod(attributes.spreadMethod());

    60 

    61     // Record current gradient transform

    62     gradientData->transform = attributes.gradientTransform();

    63     gradientData->boundingBoxMode = attributes.boundingBoxMode();

    64 

    65     // Add stops

    66     addStops(gradientData, attributes.stops());

    67 }

    68 

    69 }

    70 

    71 #endif