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Changes of Revision 40
_service
Changed
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<param name="exclude">synfig-core/src/modules/untemplate.nsh</param>3
<param name="exclude">synfig-core/src/synfig/CMakeLists.txt</param>4
<param name="exclude">synfig-core/src/synfig/color/CMakeLists.txt</param>5
- <param name="exclude">synfig-core/src/synfig/color/color.hpp</param>6
<param name="exclude">synfig-core/src/synfig/debug/CMakeLists.txt</param>7
<param name="exclude">synfig-core/src/synfig/layers/CMakeLists.txt</param>8
<param name="exclude">synfig-core/src/synfig/rendering/CMakeLists.txt</param>9
_service:obs_scm:synfig-1.5.3.obscpio/synfig-core/src/synfig/color/color.hpp
Added
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1
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+/* === S Y N F I G ========================================================= */3
+/*! \file synfig/color/color.hpp4
+** \brief Color class function implementation5
+**6
+** \legal7
+** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley8
+** Copyright (c) 2007, 2008 Chris Moore9
+** Copyright (c) 2012-2013 Carlos López10
+** Copyright (c) 2015 Diego Barrios Romero11
+**12
+** This file is part of Synfig.13
+**14
+** Synfig is free software: you can redistribute it and/or modify15
+** it under the terms of the GNU General Public License as published by16
+** the Free Software Foundation, either version 2 of the License, or17
+** (at your option) any later version.18
+**19
+** Synfig is distributed in the hope that it will be useful,20
+** but WITHOUT ANY WARRANTY; without even the implied warranty of21
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the22
+** GNU General Public License for more details.23
+**24
+** You should have received a copy of the GNU General Public License25
+** along with Synfig. If not, see <https://www.gnu.org/licenses/>.26
+** \endlegal27
+*/28
+/* ========================================================================= */29
+30
+#ifndef __SYNFIG_COLOR_COLOR_HPP31
+#define __SYNFIG_COLOR_COLOR_HPP32
+33
+34
+#include <synfig/string.h>35
+#include <synfig/angle.h>36
+37
+38
+#ifdef USING_PCH39
+# include "pch.h"40
+#else41
+#ifdef HAVE_CONFIG_H42
+# include <config.h>43
+#endif44
+45
+#include "color.h"46
+#endif47
+48
+namespace synfig {49
+50
+Color& Color::operator+=(const Color &rhs)51
+{52
+ r_+=rhs.r_;53
+ g_+=rhs.g_;54
+ b_+=rhs.b_;55
+ a_+=rhs.a_;56
+ return *this;57
+}58
+59
+Color& Color::operator-=(const Color &rhs)60
+{61
+ r_-=rhs.r_;62
+ g_-=rhs.g_;63
+ b_-=rhs.b_;64
+ a_-=rhs.a_;65
+ return *this;66
+}67
+68
+Color& Color::operator*=(const float &rhs)69
+{70
+ r_*=rhs;71
+ g_*=rhs;72
+ b_*=rhs;73
+ a_*=rhs;74
+ return *this;75
+}76
+77
+Color& Color::operator/=(const float &rhs)78
+{79
+ const float temp(value_type(1)/rhs);80
+ r_*=temp;81
+ g_*=temp;82
+ b_*=temp;83
+ a_*=temp;84
+ return *this;85
+}86
+87
+Color Color::operator+(const Color &rhs) const88
+{89
+ return Color(*this)+=rhs;90
+}91
+92
+Color Color::operator-(const Color &rhs) const93
+{ return Color(*this)-=rhs; }94
+95
+Color Color::operator*(const float &rhs)const96
+{ return Color(*this)*=rhs; }97
+98
+Color Color::operator/(const float &rhs)const99
+{ return Color(*this)/=rhs; }100
+101
+bool Color::operator<(const Color &rhs)const102
+{103
+ return r_<rhs.r_ ? true : rhs.r_<r_ ? false104
+ : g_<rhs.g_ ? true : rhs.g_<g_ ? false105
+ : b_<rhs.b_ ? true : rhs.b_<b_ ? false106
+ : a_<rhs.a_;107
+}108
+109
+bool Color::operator==(const Color &rhs)const110
+{ return r_==rhs.r_ && g_==rhs.g_ && b_==rhs.b_ && a_==rhs.a_; }111
+112
+bool Color::operator!=(const Color &rhs)const113
+{ return r_!=rhs.r_ || g_!=rhs.g_ || b_!=rhs.b_ || a_!=rhs.a_; }114
+115
+Color Color::operator-()const116
+{ return Color(-r_,-g_,-b_,-a_); }117
+118
+//! Effectively 1.0-color119
+Color Color::operator~()const120
+{ return Color(1.0f-r_,1.0f-g_,1.0f-b_,a_); }121
+122
+bool Color::is_valid()const123
+{ return !std::isnan(r_) && !std::isnan(g_) && !std::isnan(b_) && !std::isnan(a_); }124
+125
+Color Color::premult_alpha() const126
+{127
+ return Color (r_*a_, g_*a_, b_*a_, a_);128
+}129
+130
+Color Color::demult_alpha() const131
+{132
+ if(a_)133
+ {134
+ const value_type inva = 1/a_;135
+ return Color (r_*inva, g_*inva, b_*inva, a_);136
+ }else return alpha();137
+}138
+139
+Color::Color() :r_(0), g_(0), b_(0),a_(0) { }140
+Color::Color(const value_type &f) :r_(f), g_(f), b_(f),a_(f) { }141
+Color::Color(int f) :r_(f), g_(f), b_(f),a_(f) { }142
+143
+Color::Color(const value_type& R,144
+ const value_type& G,145
+ const value_type& B,146
+ const value_type& A):147
+ r_(R),148
+ g_(G),149
+ b_(B),150
+ a_(A) { }151
+152
+Color::Color(const Color& c, const value_type& A):153
+ r_(c.r_),154
+ g_(c.g_),155
+ b_(c.b_),156
+ a_(A) { }157
+158
+const String Color::get_hex()const159
+{160
+ return String(real2hex(r_) + real2hex(g_) + real2hex(b_));161
+}162
+163
+164
+//! Returns color's luminance165
+float Color::get_y() const166
+{167
+ return168
+ (float)get_r()*EncodeYUV00+169
+ (float)get_g()*EncodeYUV01+170
+ (float)get_b()*EncodeYUV02;171
+}172
+173
+174
+//! Returns U component of chromanance175
+float Color::get_u() const176
+{177
+ return178
+ (float)get_r()*EncodeYUV10+179
+ (float)get_g()*EncodeYUV11+180
+ (float)get_b()*EncodeYUV12;181
+}182
+183
+184
+ //! Returns V component of chromanance185
+float Color::get_v() const186
+{187
+ return188
+ (float)get_r()*EncodeYUV20+189
+ (float)get_g()*EncodeYUV21+190
+ (float)get_b()*EncodeYUV22;191
+}192
+193
+//! Returns the color's saturation194
+/*! This is is the magnitude of the U and V components.195
+** \see set_s() */196
+float Color::get_s() const197
+{198
+ const float u(get_u()), v(get_v());199
+ return sqrt(u*u+v*v);200
+}201