| /* |
| * Copyright (C) 2010 University of Szeged |
| * Copyright (C) 2010 Zoltan Herczeg |
| * Copyright (C) 2011 Renata Hodovan (reni@webkit.org) |
| * |
| * 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 UNIVERSITY OF SZEGED ``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 UNIVERSITY OF SZEGED 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 "third_party/blink/renderer/core/layout/svg/layout_svg_filter_primitive.h" |
| |
| #include "third_party/blink/renderer/core/svg/svg_filter_primitive_standard_attributes.h" |
| |
| namespace blink { |
| |
| LayoutSVGFilterPrimitive::LayoutSVGFilterPrimitive( |
| SVGFilterPrimitiveStandardAttributes* filter_primitive_element) |
| : LayoutObject(filter_primitive_element) {} |
| |
| static bool CurrentColorChanged(StyleDifference diff, const StyleColor& color) { |
| return diff.TextDecorationOrColorChanged() && color.IsCurrentColor(); |
| } |
| |
| static void CheckForColorChange(SVGFilterPrimitiveStandardAttributes& element, |
| const QualifiedName& attr_name, |
| StyleDifference diff, |
| const StyleColor& old_color, |
| const StyleColor& new_color) { |
| // If the <color> change from/to 'currentcolor' then invalidate the filter |
| // chain so that it is rebuilt. (Makes sure the 'tainted' flag is |
| // propagated.) |
| if (new_color.IsCurrentColor() != old_color.IsCurrentColor()) { |
| element.Invalidate(); |
| return; |
| } |
| if (new_color != old_color || CurrentColorChanged(diff, new_color)) |
| element.PrimitiveAttributeChanged(attr_name); |
| } |
| |
| void LayoutSVGFilterPrimitive::StyleDidChange(StyleDifference diff, |
| const ComputedStyle* old_style) { |
| NOT_DESTROYED(); |
| if (!old_style) |
| return; |
| auto& element = To<SVGFilterPrimitiveStandardAttributes>(*GetNode()); |
| const ComputedStyle& style = StyleRef(); |
| if (IsA<SVGFEFloodElement>(element) || IsA<SVGFEDropShadowElement>(element)) { |
| CheckForColorChange(element, svg_names::kFloodColorAttr, diff, |
| old_style->FloodColor(), style.FloodColor()); |
| if (style.FloodOpacity() != old_style->FloodOpacity()) |
| element.PrimitiveAttributeChanged(svg_names::kFloodOpacityAttr); |
| } else if (IsA<SVGFEDiffuseLightingElement>(element) || |
| IsA<SVGFESpecularLightingElement>(element)) { |
| CheckForColorChange(element, svg_names::kLightingColorAttr, diff, |
| old_style->LightingColor(), style.LightingColor()); |
| } |
| if (style.ColorInterpolationFilters() != |
| old_style->ColorInterpolationFilters()) { |
| element.PrimitiveAttributeChanged( |
| svg_names::kColorInterpolationFiltersAttr); |
| } |
| } |
| |
| void LayoutSVGFilterPrimitive::UpdateLayout() { |
| NOT_DESTROYED(); |
| ClearNeedsLayout(); |
| } |
| |
| } // namespace blink |