| /* |
| * Copyright (C) 2008 Alex Mathews <possessedpenguinbob@gmail.com> |
| * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org> |
| * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org> |
| * Copyright (C) 2005 Eric Seidel <eric@webkit.org> |
| * Copyright (C) 2010 Zoltan Herczeg <zherczeg@webkit.org> |
| * Copyright (C) 2011 University of Szeged |
| * 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/platform/graphics/filters/spot_light_source.h" |
| |
| #include "third_party/blink/renderer/platform/wtf/math_extras.h" |
| #include "third_party/blink/renderer/platform/wtf/text/text_stream.h" |
| |
| namespace blink { |
| |
| bool SpotLightSource::SetPosition(const FloatPoint3D& position) { |
| if (position_ == position) |
| return false; |
| position_ = position; |
| return true; |
| } |
| |
| bool SpotLightSource::SetPointsAt(const FloatPoint3D& direction) { |
| if (direction_ == direction) |
| return false; |
| direction_ = direction; |
| return true; |
| } |
| |
| bool SpotLightSource::SetSpecularExponent(float specular_exponent) { |
| specular_exponent = clampTo(specular_exponent, 1.0f, 128.0f); |
| if (specular_exponent_ == specular_exponent) |
| return false; |
| specular_exponent_ = specular_exponent; |
| return true; |
| } |
| |
| bool SpotLightSource::SetLimitingConeAngle(float limiting_cone_angle) { |
| if (limiting_cone_angle_ == limiting_cone_angle) |
| return false; |
| limiting_cone_angle_ = limiting_cone_angle; |
| return true; |
| } |
| |
| WTF::TextStream& SpotLightSource::ExternalRepresentation( |
| WTF::TextStream& ts) const { |
| ts << "[type=SPOT-LIGHT] "; |
| ts << "[position=\"" << GetPosition() << "\"]"; |
| ts << "[direction=\"" << Direction() << "\"]"; |
| ts << "[specularExponent=\"" << SpecularExponent() << "\"]"; |
| ts << "[limitingConeAngle=\"" << LimitingConeAngle() << "\"]"; |
| return ts; |
| } |
| |
| } // namespace blink |