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79 lines
2.5 KiB
79 lines
2.5 KiB
15 years ago
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/***************************************************************************
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color.cpp - description
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-------------------
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begin : Sun Jul 9 2000
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copyright : (C) 2000 by Artur Rataj
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email : art@zeus.polsl.gliwice.pl
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#include "color.h"
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Color::Color(){
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setComponents(0, 0, 0);
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setName("");
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}
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Color::Color(const int red, const int green, const int blue, const QString& name) {
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setComponents(red, green, blue);
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setName(name);
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}
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Color::~Color(){
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}
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void Color::setComponent(const int index, const int value) {
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m_components[index] = value;
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}
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void Color::setComponents(const int red, const int green, const int blue) {
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setComponent(RED_INDEX, red);
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setComponent(GREEN_INDEX, green);
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setComponent(BLUE_INDEX, blue);
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}
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void Color::setName(const QString& name) {
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m_name = name;
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}
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int Color::component(const int index) const {
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return m_components[index];
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}
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const int* Color::components() const{
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return m_components;
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}
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const QString& Color::name() const {
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return m_name;
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}
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bool Color::equals(const Color& color) {
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return component(RED_INDEX) == color.component(RED_INDEX) &&
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component(GREEN_INDEX) == color.component(GREEN_INDEX) &&
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component(BLUE_INDEX) == color.component(BLUE_INDEX);
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}
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void Color::modifyComponent(const int index, const int value, const double amount) {
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int comp = component(index);
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comp += (int)(value*amount + 0.5);
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if(comp > RGB_MAX_COMPONENT_VALUE)
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comp = RGB_MAX_COMPONENT_VALUE;
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else if(comp < 0)
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comp = 0;
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setComponent(index, comp);
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}
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void Color::modifyComponents(const int red, const int green, const int blue, const double amount) {
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modifyComponent(RED_INDEX, red, amount);
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modifyComponent(GREEN_INDEX, green, amount);
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modifyComponent(BLUE_INDEX, blue, amount);
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}
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