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70 lines
1.8 KiB
C++
70 lines
1.8 KiB
C++
/*
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This Source Code Form is subject to the
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terms of the Mozilla Public License, v.
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2.0. If a copy of the MPL was not
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distributed with this file, You can
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obtain one at
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http://mozilla.org/MPL/2.0/.
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*/
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#pragma once
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// encapsulation of the fixed pipeline opengl color
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class opengl_color {
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public:
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// constructors:
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opengl_color() = default;
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// methods:
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inline
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void
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color3( glm::vec3 const &Color ) {
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return color4( glm::vec4{ Color, 1.f } ); }
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inline
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void
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color3( float const Red, float const Green, float const Blue ) {
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return color3( glm::vec3 { Red, Green, Blue } ); }
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inline
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void
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color3( float const *Value ) {
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return color3( glm::make_vec3( Value ) ); }
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inline
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void
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color4( glm::vec4 const &Color ) {
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if( Color != m_color ) {
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m_color = Color;
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::glColor4fv( glm::value_ptr( m_color ) ); } }
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inline
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void
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color4( float const Red, float const Green, float const Blue, float const Alpha ) {
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return color4( glm::vec4{ Red, Green, Blue, Alpha } ); }
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inline
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void
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color4( float const *Value ) {
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return color4( glm::make_vec4( Value ) );
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}
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inline
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glm::vec4 const &
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data() const {
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return m_color; }
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inline
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float const *
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data_array() const {
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return glm::value_ptr( m_color ); }
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private:
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// members:
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glm::vec4 m_color { -1 };
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};
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extern opengl_color OpenGLColor;
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// NOTE: standard opengl calls re-definitions
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#define glColor3f OpenGLColor.color3
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#define glColor3fv OpenGLColor.color3
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#define glColor4f OpenGLColor.color4
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#define glColor4fv OpenGLColor.color4
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//---------------------------------------------------------------------------
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