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1 /* | 1 /* |
2 * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org> | 2 * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org> |
3 * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org> | 3 * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org> |
4 * | 4 * |
5 * This library is free software; you can redistribute it and/or | 5 * This library is free software; you can redistribute it and/or |
6 * modify it under the terms of the GNU Library General Public | 6 * modify it under the terms of the GNU Library General Public |
7 * License as published by the Free Software Foundation; either | 7 * License as published by the Free Software Foundation; either |
8 * version 2 of the License, or (at your option) any later version. | 8 * version 2 of the License, or (at your option) any later version. |
9 * | 9 * |
10 * This library is distributed in the hope that it will be useful, | 10 * This library is distributed in the hope that it will be useful, |
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65 SVGFilterPrimitiveStandardAttributes::svgAttributeChanged(attrName); | 65 SVGFilterPrimitiveStandardAttributes::svgAttributeChanged(attrName); |
66 } | 66 } |
67 | 67 |
68 PassRefPtrWillBeRawPtr<FilterEffect> SVGFEGaussianBlurElement::build(SVGFilterBu
ilder* filterBuilder, Filter* filter) | 68 PassRefPtrWillBeRawPtr<FilterEffect> SVGFEGaussianBlurElement::build(SVGFilterBu
ilder* filterBuilder, Filter* filter) |
69 { | 69 { |
70 FilterEffect* input1 = filterBuilder->getEffectById(AtomicString(m_in1->curr
entValue()->value())); | 70 FilterEffect* input1 = filterBuilder->getEffectById(AtomicString(m_in1->curr
entValue()->value())); |
71 | 71 |
72 if (!input1) | 72 if (!input1) |
73 return nullptr; | 73 return nullptr; |
74 | 74 |
75 if (stdDeviationX()->currentValue()->value() < 0 || stdDeviationY()->current
Value()->value() < 0) | 75 // "A negative value or a value of zero disables the effect of the given |
76 return nullptr; | 76 // filter primitive (i.e., the result is the filter input image)." |
77 | 77 // (https://drafts.fxtf.org/filters/#element-attrdef-fegaussianblur-stddevia
tion) |
78 RefPtrWillBeRawPtr<FilterEffect> effect = FEGaussianBlur::create(filter, std
DeviationX()->currentValue()->value(), stdDeviationY()->currentValue()->value())
; | 78 // |
| 79 // => Clamp to non-negative. |
| 80 float stdDevX = std::max(0.0f, stdDeviationX()->currentValue()->value()); |
| 81 float stdDevY = std::max(0.0f, stdDeviationY()->currentValue()->value()); |
| 82 RefPtrWillBeRawPtr<FilterEffect> effect = FEGaussianBlur::create(filter, std
DevX, stdDevY); |
79 effect->inputEffects().append(input1); | 83 effect->inputEffects().append(input1); |
80 return effect.release(); | 84 return effect.release(); |
81 } | 85 } |
82 | 86 |
83 } // namespace blink | 87 } // namespace blink |
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