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Diffstat (limited to 'kcoloredit/colorselector.cpp')
| -rw-r--r-- | kcoloredit/colorselector.cpp | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/kcoloredit/colorselector.cpp b/kcoloredit/colorselector.cpp new file mode 100644 index 00000000..2b0530d3 --- /dev/null +++ b/kcoloredit/colorselector.cpp @@ -0,0 +1,212 @@ +/*************************************************************************** + colorselector.cpp - description + ------------------- + begin : Sun Jul 9 2000 + copyright : (C) 2000 by Artur Rataj + email : art@zeus.polsl.gliwice.pl + ***************************************************************************/ + +/*************************************************************************** + * * + * 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 <qlayout.h> +/* #include <qtabwidget.h> */ +#include <qradiobutton.h> +#include <qlabel.h> +#include <qslider.h> +#include <kseparator.h> +#include <klocale.h> + +#include "main.h" +#include "imageselection.h" +#include "texteditselection.h" +#include "colorselector.h" + +ColorSelector::ColorSelector(QWidget *parent, const char *name ) : QWidget(parent, name) { + fComponentsMode = false; + QVBoxLayout* topLayout = new QVBoxLayout(this, 4); + /* + QTabWidget* pages = new QTabWidget(this); + */ + gradientSelection = new GradientSelection(this); + connect(gradientSelection, SIGNAL( valueChanged(Color*) ), + SLOT( slotGradientSelectionChangeColor(Color*) )); + connect(gradientSelection, SIGNAL( synchronizeColor() ), + SLOT( slotGradientSelectionSynchronizeColor() )); + connect(this, SIGNAL( valueChanged(Color*) ), gradientSelection, SLOT( slotSetValue(Color*) )); + /* + pages->addTab(gradientSelection, i18n( "Gradient" )); + ImageSelection* imageSelection = new ImageSelection(this); + connect(imageSelection, SIGNAL( valueChanged(Color*) ), SLOT( slotSetColor(Color*) )); + connect(this, SIGNAL( valueChanged(Color*) ), imageSelection, 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); + QHBoxLayout* layout = new QHBoxLayout(); + TextEditSelection* textEditSelection = new TextEditSelection(this); + connect(textEditSelection, SIGNAL( valueChanged(Color*) ), SLOT( slotSetColor(Color*) )); + connect(this, SIGNAL( valueChanged(Color*) ), textEditSelection, SLOT( slotSetValue(Color*) )); + QVBoxLayout* colorChangeLayout = new QVBoxLayout(); + colorChangeLayout->setMargin(2); + QRadioButton* replaceButton = new QRadioButton(i18n( "Replace" ), this); + connect(replaceButton, SIGNAL( clicked() ), SLOT( slotColorReplace() )); + replaceButton->setChecked(true); + colorChangeButtons.insert(replaceButton); + colorChangeLayout->addWidget(replaceButton); + QRadioButton* changeButton = new QRadioButton(i18n( "Change" ) + ":", this); + connect(changeButton, SIGNAL( clicked() ), SLOT( slotColorChange() )); + colorChangeButtons.insert(changeButton); + colorChangeLayout->addWidget(changeButton); + colorChangeValue = 0; + colorChangeSliderWidget = new QWidget(this); + QVBoxLayout* colorChangeSliderLayout = new QVBoxLayout(colorChangeSliderWidget, 1); + colorChangeSliderLayout->setMargin(0); + QSlider* colorChangeSlider = new QSlider(0, MAX_COLOR_CHANGE_VALUE, + MAX_COLOR_CHANGE_VALUE/4, colorChangeValue, QSlider::Horizontal, colorChangeSliderWidget); + colorChangeSlider->setTickInterval(colorChangeSlider->pageStep()); + colorChangeSlider->setTickmarks(QSlider::Above); + connect(colorChangeSlider, SIGNAL( valueChanged(int) ), SLOT( slotColorChangeValueChanged(int) )); + colorChangeSliderLayout->addWidget(colorChangeSlider); + QHBoxLayout* colorChangeSliderLabelsLayout = new QHBoxLayout(0); + QLabel* subtractLabel = new QLabel(i18n( "0" ), colorChangeSliderWidget); + colorChangeSliderLabelsLayout->addWidget(subtractLabel); + colorChangeSliderLabelsLayout->addStretch(10); + QLabel* addLabel = new QLabel(" " + 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, SIGNAL( colorChanged(const QColor&) ), SLOT( slotSetColor(const QColor&) )); + colorPatch->setMinimumSize(80, 64); + layout->addWidget(colorPatch, 10); + topLayout->addLayout(layout); +} +ColorSelector::~ColorSelector() { +} + +void ColorSelector::slotSetColor(Color color) { + m_color = color; + colorPatch->setColor(QColor( 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 QColor& 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" |