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/***************************************************************************
colorselector.cpp - description
-------------------
begin : Sun Jul 9 2000
copyright : (C) 2000 by Artur Rataj
email : [email protected]
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include <math.h>
#include <tqlayout.h>
/* #include <tqtabwidget.h> */
#include <tqradiobutton.h>
#include <tqlabel.h>
#include <tqslider.h>
#include <kseparator.h>
#include <klocale.h>
#include "main.h"
#include "imageselection.h"
#include "texteditselection.h"
#include "colorselector.h"
ColorSelector::ColorSelector(TQWidget *parent, const char *name ) : TQWidget(parent, name) {
fComponentsMode = false;
TQVBoxLayout* topLayout = new TQVBoxLayout(this, 4);
/*
TQTabWidget* pages = new TQTabWidget(this);
*/
gradientSelection = new GradientSelection(this);
connect(gradientSelection, TQT_SIGNAL( valueChanged(Color*) ),
TQT_SLOT( slotGradientSelectionChangeColor(Color*) ));
connect(gradientSelection, TQT_SIGNAL( synchronizeColor() ),
TQT_SLOT( slotGradientSelectionSynchronizeColor() ));
connect(this, TQT_SIGNAL( valueChanged(Color*) ), gradientSelection, TQT_SLOT( slotSetValue(Color*) ));
/*
pages->addTab(gradientSelection, i18n( "Gradient" ));
ImageSelection* imageSelection = new ImageSelection(this);
connect(imageSelection, TQT_SIGNAL( valueChanged(Color*) ), TQT_SLOT( slotSetColor(Color*) ));
connect(this, TQT_SIGNAL( valueChanged(Color*) ), imageSelection, TQT_SLOT( slotSetValue(Color*) ));
pages->addTab(imageSelection, i18n( "Image" ));
topLayout->addWidget(pages, 10);
*/
topLayout->addWidget(gradientSelection, 10);
KSeparator* hLine = new KSeparator(KSeparator::HLine, this);
topLayout->addWidget(hLine);
TQHBoxLayout* layout = new TQHBoxLayout();
TextEditSelection* textEditSelection = new TextEditSelection(this);
connect(textEditSelection, TQT_SIGNAL( valueChanged(Color*) ), TQT_SLOT( slotSetColor(Color*) ));
connect(this, TQT_SIGNAL( valueChanged(Color*) ), textEditSelection, TQT_SLOT( slotSetValue(Color*) ));
TQVBoxLayout* colorChangeLayout = new TQVBoxLayout();
colorChangeLayout->setMargin(2);
TQRadioButton* replaceButton = new TQRadioButton(i18n( "Replace" ), this);
connect(replaceButton, TQT_SIGNAL( clicked() ), TQT_SLOT( slotColorReplace() ));
replaceButton->setChecked(true);
colorChangeButtons.insert(replaceButton);
colorChangeLayout->addWidget(replaceButton);
TQRadioButton* changeButton = new TQRadioButton(i18n( "Change" ) + ":", this);
connect(changeButton, TQT_SIGNAL( clicked() ), TQT_SLOT( slotColorChange() ));
colorChangeButtons.insert(changeButton);
colorChangeLayout->addWidget(changeButton);
colorChangeValue = 0;
colorChangeSliderWidget = new TQWidget(this);
TQVBoxLayout* colorChangeSliderLayout = new TQVBoxLayout(colorChangeSliderWidget, 1);
colorChangeSliderLayout->setMargin(0);
TQSlider* colorChangeSlider = new TQSlider(0, MAX_COLOR_CHANGE_VALUE,
MAX_COLOR_CHANGE_VALUE/4, colorChangeValue, Qt::Horizontal, colorChangeSliderWidget);
colorChangeSlider->setTickInterval(colorChangeSlider->pageStep());
colorChangeSlider->setTickmarks(TQSlider::Above);
connect(colorChangeSlider, TQT_SIGNAL( valueChanged(int) ), TQT_SLOT( slotColorChangeValueChanged(int) ));
colorChangeSliderLayout->addWidget(colorChangeSlider);
TQHBoxLayout* colorChangeSliderLabelsLayout = new TQHBoxLayout(0);
TQLabel* subtractLabel = new TQLabel(i18n( "0" ), colorChangeSliderWidget);
colorChangeSliderLabelsLayout->addWidget(subtractLabel);
colorChangeSliderLabelsLayout->addStretch(10);
TQLabel* addLabel = new TQLabel(" " + i18n( "Replace" ), colorChangeSliderWidget);
colorChangeSliderLabelsLayout->addWidget(addLabel);
colorChangeSliderLayout->addLayout(colorChangeSliderLabelsLayout);
colorChangeLayout->addStretch(10);
colorChangeLayout->addWidget(colorChangeSliderWidget);
colorChangeLayout->addStretch(10);
layout->addLayout(colorChangeLayout, 10);
m_color.setComponents(RGB_MAX_COMPONENT_VALUE, RGB_MAX_COMPONENT_VALUE, RGB_MAX_COMPONENT_VALUE);
slotColorReplace();
KSeparator* vLine = new KSeparator(KSeparator::VLine, this);
layout->addWidget(vLine);
layout->addWidget(textEditSelection, 1);
colorPatch = new KColorPatch(this);
connect(colorPatch, TQT_SIGNAL( colorChanged(const TQColor&) ), TQT_SLOT( slotSetColor(const TQColor&) ));
colorPatch->setMinimumSize(80, 64);
layout->addWidget(colorPatch, 10);
topLayout->addLayout(layout);
}
ColorSelector::~ColorSelector() {
}
void ColorSelector::slotSetColor(Color color) {
m_color = color;
colorPatch->setColor(TQColor( m_color.component(Color::RED_INDEX),
m_color.component(Color::GREEN_INDEX),
m_color.component(Color::BLUE_INDEX) ));
fComponentsMode = false;
emit valueChanged(&m_color);
}
void ColorSelector::slotSetColor(Color* color) {
slotSetColor(*color);
}
void ColorSelector::slotSetColor(const TQColor& color) {
m_color.setComponent(Color::RED_INDEX, color.red());
m_color.setComponent(Color::GREEN_INDEX, color.green());
m_color.setComponent(Color::BLUE_INDEX, color.blue());
fComponentsMode = false;
emit valueChanged(&m_color);
}
void ColorSelector::scaledComponent(double* const component, const double componentDiff) {
double scaledComponentDiff = componentDiff*
pow(colorChangeValue*1.0/MAX_COLOR_CHANGE_VALUE, 2.0);
*component += scaledComponentDiff;
if(*component > RGB_MAX_COMPONENT_VALUE)
*component = RGB_MAX_COMPONENT_VALUE;
else if(*component < 0)
*component = 0;
}
void ColorSelector::slotGradientSelectionChangeColor(Color* gradientSelectionColor) {
switch(colorChangeMode) {
case MODE_REPLACE:
slotSetColor(gradientSelectionColor);
break;
case MODE_CHANGE:
gradientSelection->slotIgnoreSetValue(true);
double rComponent;
double gComponent;
double bComponent;
if(fComponentsMode) {
rComponent = fRComponent;
gComponent = fGComponent;
bComponent = fBComponent;
} else {
rComponent = m_color.component(Color::RED_INDEX);
gComponent = m_color.component(Color::GREEN_INDEX);
bComponent = m_color.component(Color::BLUE_INDEX);
}
double rDiff = gradientSelectionColor->component(Color::RED_INDEX) - rComponent;
double gDiff = gradientSelectionColor->component(Color::GREEN_INDEX) - gComponent;
double bDiff = gradientSelectionColor->component(Color::BLUE_INDEX) - bComponent;
/*
printf("base color = (%i %i %i) gradient color = (%i %i %i)\n",
rComponent, gComponent, bComponent,
gradientSelectionColor->getComponent(Color::RED_INDEX),
gradientSelectionColor->getComponent(Color::GREEN_INDEX),
gradientSelectionColor->getComponent(Color::BLUE_INDEX));
*/
scaledComponent(&rComponent, rDiff);
scaledComponent(&gComponent, gDiff);
scaledComponent(&bComponent, bDiff);
Color newColor((int)( rComponent + 0.5 ),
(int)( gComponent + 0.5 ), (int)( bComponent + 0.5 ), "");
slotSetColor(newColor);
fRComponent = rComponent;
fGComponent = gComponent;
fBComponent = bComponent;
fComponentsMode = true;
/*
printf("output color = (%i %i %i)\n",
rComponent, gComponent, bComponent);
*/
gradientSelection->slotIgnoreSetValue(false);
break;
}
}
void ColorSelector::slotGradientSelectionSynchronizeColor() {
/** Notify the gradient selector to update its color */
emit valueChanged(&m_color);
}
const Color& ColorSelector::color() {
return m_color;
}
void ColorSelector::slotColorReplace() {
colorChangeMode = MODE_REPLACE;
slotGradientSelectionSynchronizeColor();
gradientSelection->enableSynchronizeColorButton(false);
colorChangeSliderWidget->setEnabled(false);
}
void ColorSelector::slotColorChange() {
colorChangeMode = MODE_CHANGE;
gradientSelection->enableSynchronizeColorButton(true);
colorChangeSliderWidget->setEnabled(true);
}
void ColorSelector::slotColorChangeValueChanged(int value) {
colorChangeValue = value;
}
#include "colorselector.moc"
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