| /* |
| * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org> |
| * Copyright (C) Research In Motion Limited 2010. 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. |
| * |
| * 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. |
| */ |
| |
| #include "third_party/blink/renderer/core/layout/svg/layout_svg_resource_linear_gradient.h" |
| |
| #include "third_party/blink/renderer/core/svg/svg_linear_gradient_element.h" |
| #include "third_party/blink/renderer/platform/heap/heap.h" |
| |
| namespace blink { |
| |
| LayoutSVGResourceLinearGradient::LayoutSVGResourceLinearGradient( |
| SVGLinearGradientElement* node) |
| : LayoutSVGResourceGradient(node), |
| attributes_wrapper_( |
| MakeGarbageCollected<LinearGradientAttributesWrapper>()) {} |
| |
| LayoutSVGResourceLinearGradient::~LayoutSVGResourceLinearGradient() = default; |
| |
| void LayoutSVGResourceLinearGradient::CollectGradientAttributes() { |
| NOT_DESTROYED(); |
| DCHECK(GetElement()); |
| attributes_wrapper_->Set(LinearGradientAttributes()); |
| To<SVGLinearGradientElement>(GetElement()) |
| ->CollectGradientAttributes(MutableAttributes()); |
| } |
| |
| FloatPoint LayoutSVGResourceLinearGradient::StartPoint( |
| const LinearGradientAttributes& attributes) const { |
| NOT_DESTROYED(); |
| return SVGLengthContext::ResolvePoint(GetElement(), |
| attributes.GradientUnits(), |
| *attributes.X1(), *attributes.Y1()); |
| } |
| |
| FloatPoint LayoutSVGResourceLinearGradient::EndPoint( |
| const LinearGradientAttributes& attributes) const { |
| NOT_DESTROYED(); |
| return SVGLengthContext::ResolvePoint(GetElement(), |
| attributes.GradientUnits(), |
| *attributes.X2(), *attributes.Y2()); |
| } |
| |
| scoped_refptr<Gradient> LayoutSVGResourceLinearGradient::BuildGradient() const { |
| NOT_DESTROYED(); |
| const LinearGradientAttributes& attributes = Attributes(); |
| scoped_refptr<Gradient> gradient = Gradient::CreateLinear( |
| StartPoint(attributes), EndPoint(attributes), |
| PlatformSpreadMethodFromSVGType(attributes.SpreadMethod()), |
| Gradient::ColorInterpolation::kUnpremultiplied, |
| Gradient::DegenerateHandling::kAllow); |
| gradient->AddColorStops(attributes.Stops()); |
| return gradient; |
| } |
| |
| } // namespace blink |