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404 lines
13 KiB
404 lines
13 KiB
15 years ago
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/*
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* This file is part of KOffice
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*
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* Copyright (c) 1999 Matthias Elter (me@kde.org)
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* Copyright (c) 2001-2002 Igor Jansen (rm@kde.org)
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* Copyright (c) 2005 Tim Beaulen (tbscope@gmail.com)
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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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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "ko_cmyk_widget.h"
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#include <qlayout.h>
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#include <qhbox.h>
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#include <qlabel.h>
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#include <qspinbox.h>
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#include <qtooltip.h>
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#include <qcolor.h>
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#include <kdebug.h>
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#include <kglobal.h>
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#include <klocale.h>
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#include <koFrameButton.h>
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#include <koColorSlider.h>
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#include <kcolordialog.h>
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#include <kdualcolorbutton.h>
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KoCMYKWidget::KoCMYKWidget(QWidget *parent, const char *name) : super(parent, name)
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{
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m_ColorButton = new KDualColorButton(this);
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m_ColorButton -> setFixedSize(m_ColorButton->sizeHint());
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QGridLayout *mGrid = new QGridLayout(this, 4, 5, 5, 2);
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/* setup color sliders */
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mCSlider = new KoColorSlider(this);
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mCSlider->setMaximumHeight(20);
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mCSlider->slotSetRange(0, 255);
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mCSlider->setFocusPolicy( QWidget::ClickFocus );
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mMSlider = new KoColorSlider(this);
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mMSlider->setMaximumHeight(20);
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mMSlider->slotSetRange(0, 255);
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mMSlider->setFocusPolicy( QWidget::ClickFocus );
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mYSlider = new KoColorSlider(this);
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mYSlider->setMaximumHeight(20);
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mYSlider->slotSetRange(0, 255);
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mYSlider->setFocusPolicy( QWidget::ClickFocus );
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mKSlider = new KoColorSlider(this);
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mKSlider->setMaximumHeight(20);
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mKSlider->slotSetRange(0, 255);
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mKSlider->setFocusPolicy( QWidget::ClickFocus );
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/* setup slider labels */
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mCLabel = new QLabel("C", this);
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mCLabel->setFixedWidth(12);
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mCLabel->setFixedHeight(20);
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mMLabel = new QLabel("M", this);
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mMLabel->setFixedWidth(12);
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mMLabel->setFixedHeight(20);
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mYLabel = new QLabel("Y", this);
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mYLabel->setFixedWidth(12);
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mYLabel->setFixedHeight(20);
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mKLabel = new QLabel("K", this);
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mKLabel->setFixedWidth(12);
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mKLabel->setFixedHeight(20);
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/* setup spin box */
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mCIn = new QSpinBox(0, 255, 1, this);
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mCIn->setFixedWidth(50);
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mCIn->setFixedHeight(20);
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mCIn->setFocusPolicy( QWidget::ClickFocus );
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QToolTip::add( mCIn, i18n( "Cyan" ) );
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mMIn = new QSpinBox(0, 255, 1, this);
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mMIn->setFixedWidth(50);
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mMIn->setFixedHeight(20);
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mMIn->setFocusPolicy( QWidget::ClickFocus );
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QToolTip::add( mMIn, i18n( "Magenta" ) );
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mYIn = new QSpinBox(0, 255, 1, this);
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mYIn->setFixedWidth(50);
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mYIn->setFixedHeight(20);
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mYIn->setFocusPolicy( QWidget::ClickFocus );
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QToolTip::add( mYIn, i18n( "Yellow" ) );
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mKIn = new QSpinBox(0, 255, 1, this);
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mKIn->setFixedWidth(50);
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mKIn->setFixedHeight(20);
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mKIn->setFocusPolicy( QWidget::ClickFocus );
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QToolTip::add( mKIn, i18n( "Black" ) );
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mGrid->addMultiCellWidget(m_ColorButton, 0, 4, 0, 0, Qt::AlignTop);
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mGrid->addWidget(mCLabel, 0, 1);
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mGrid->addWidget(mMLabel, 1, 1);
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mGrid->addWidget(mYLabel, 2, 1);
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mGrid->addWidget(mKLabel, 3, 1);
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mGrid->addMultiCellWidget(mCSlider, 0, 0, 2, 3);
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mGrid->addMultiCellWidget(mMSlider, 1, 1, 2, 3);
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mGrid->addMultiCellWidget(mYSlider, 2, 2, 2, 3);
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mGrid->addMultiCellWidget(mKSlider, 3, 3, 2, 3);
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mGrid->addWidget(mCIn, 0, 4);
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mGrid->addWidget(mMIn, 1, 4);
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mGrid->addWidget(mYIn, 2, 4);
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mGrid->addWidget(mKIn, 3, 4);
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connect(m_ColorButton, SIGNAL(fgChanged(const QColor &)), this, SLOT(slotFGColorSelected(const QColor &)));
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connect(m_ColorButton, SIGNAL(bgChanged(const QColor &)), this, SLOT(slotBGColorSelected(const QColor &)));
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/* connect color sliders */
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connect(mCSlider, SIGNAL(valueChanged(int)), this, SLOT(slotCChanged(int)));
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connect(mMSlider, SIGNAL(valueChanged(int)), this, SLOT(slotMChanged(int)));
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connect(mYSlider, SIGNAL(valueChanged(int)), this, SLOT(slotYChanged(int)));
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connect(mKSlider, SIGNAL(valueChanged(int)), this, SLOT(slotKChanged(int)));
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/* connect spin box */
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connect(mCIn, SIGNAL(valueChanged(int)), this, SLOT(slotCChanged(int)));
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connect(mMIn, SIGNAL(valueChanged(int)), this, SLOT(slotMChanged(int)));
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connect(mYIn, SIGNAL(valueChanged(int)), this, SLOT(slotYChanged(int)));
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connect(mKIn, SIGNAL(valueChanged(int)), this, SLOT(slotKChanged(int)));
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}
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void KoCMYKWidget::slotCChanged(int c)
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{
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if (m_ColorButton->current() == KDualColorButton::Foreground){
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CMYKColor col = RgbToCmyk(m_fgColor);
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col.C = c / 255.0;
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m_fgColor = CmykToRgb(col);
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m_ColorButton->setCurrent(KDualColorButton::Foreground);
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emit sigFgColorChanged(m_fgColor);
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}
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else{
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CMYKColor col = RgbToCmyk(m_bgColor);
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col.C = c / 255.0;
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m_bgColor = CmykToRgb(col);
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m_ColorButton->setCurrent(KDualColorButton::Background);
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emit sigBgColorChanged(m_bgColor);
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}
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}
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void KoCMYKWidget::slotMChanged(int m)
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{
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if (m_ColorButton->current() == KDualColorButton::Foreground){
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CMYKColor col = RgbToCmyk(m_fgColor);
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col.M = m / 255.0;
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m_fgColor = CmykToRgb(col);
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m_ColorButton->setCurrent(KDualColorButton::Foreground);
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emit sigFgColorChanged(m_fgColor);
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}
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else{
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CMYKColor col = RgbToCmyk(m_bgColor);
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col.M = m / 255.0;
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m_bgColor = CmykToRgb(col);
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m_ColorButton->setCurrent(KDualColorButton::Background);
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emit sigBgColorChanged(m_bgColor);
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}
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}
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void KoCMYKWidget::slotYChanged(int y)
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{
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if (m_ColorButton->current() == KDualColorButton::Foreground){
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CMYKColor col = RgbToCmyk(m_fgColor);
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col.Y = y / 255.0;
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m_fgColor = CmykToRgb(col);
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m_ColorButton->setCurrent(KDualColorButton::Foreground);
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emit sigFgColorChanged(m_fgColor);
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}
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else{
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CMYKColor col = RgbToCmyk(m_bgColor);
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col.Y = y / 255.0;
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m_bgColor = CmykToRgb(col);
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m_ColorButton->setCurrent(KDualColorButton::Background);
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emit sigBgColorChanged(m_bgColor);
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}
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}
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void KoCMYKWidget::slotKChanged(int k)
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{
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if (m_ColorButton->current() == KDualColorButton::Foreground){
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CMYKColor col = RgbToCmyk(m_fgColor);
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col.K = k / 255.0;
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m_fgColor = CmykToRgb(col);
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m_ColorButton->setCurrent(KDualColorButton::Foreground);
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emit sigFgColorChanged(m_fgColor);
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}
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else{
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CMYKColor col = RgbToCmyk(m_bgColor);
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col.K = k / 255.0;
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m_bgColor = CmykToRgb(col);
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m_ColorButton->setCurrent(KDualColorButton::Background);
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emit sigBgColorChanged(m_bgColor);
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}
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}
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void KoCMYKWidget::setFgColor(const QColor & c)
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{
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update(c, m_bgColor);
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}
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void KoCMYKWidget::setBgColor(const QColor & c)
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{
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update(m_fgColor, c);
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}
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void KoCMYKWidget::update(const QColor fgColor, const QColor bgColor)
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{
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m_fgColor = fgColor;
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m_bgColor = bgColor;
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QColor color = (m_ColorButton->current() == KDualColorButton::Foreground)? m_fgColor : m_bgColor;
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CMYKColor col = RgbToCmyk(color);
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disconnect(m_ColorButton, SIGNAL(fgChanged(const QColor &)), this, SLOT(slotFGColorSelected(const QColor &)));
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disconnect(m_ColorButton, SIGNAL(bgChanged(const QColor &)), this, SLOT(slotBGColorSelected(const QColor &)));
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m_ColorButton->setForeground( m_fgColor );
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m_ColorButton->setBackground( m_bgColor );
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connect(m_ColorButton, SIGNAL(fgChanged(const QColor &)), this, SLOT(slotFGColorSelected(const QColor &)));
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connect(m_ColorButton, SIGNAL(bgChanged(const QColor &)), this, SLOT(slotBGColorSelected(const QColor &)));
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mCSlider->blockSignals(true);
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mCIn->blockSignals(true);
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mMSlider->blockSignals(true);
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mMIn->blockSignals(true);
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mYSlider->blockSignals(true);
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mYIn->blockSignals(true);
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mKSlider->blockSignals(true);
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mKIn->blockSignals(true);
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CMYKColor minC = col;
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minC.C = 0.0;
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CMYKColor maxC = col;
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maxC.C = 1.0;
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mCSlider->slotSetColor1(CmykToRgb(minC));
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mCSlider->slotSetColor2(CmykToRgb(maxC));
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mCSlider->slotSetValue(int(col.C * 255));
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mCIn->setValue(int(col.C * 255));
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CMYKColor minM = col;
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minM.M = 0.0;
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CMYKColor maxM = col;
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maxM.M = 1.0;
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mMSlider->slotSetColor1(CmykToRgb(minM));
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mMSlider->slotSetColor2(CmykToRgb(maxM));
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mMSlider->slotSetValue(int(col.M * 255));
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mMIn->setValue(int(col.M * 255));
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CMYKColor minY = col;
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minY.Y = 0.0;
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CMYKColor maxY = col;
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maxY.Y = 1.0;
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mYSlider->slotSetColor1(CmykToRgb(minY));
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mYSlider->slotSetColor2(CmykToRgb(maxY));
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mYSlider->slotSetValue(int(col.Y * 255));
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mYIn->setValue(int(col.Y * 255));
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CMYKColor minK = col;
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minK.K = 0.0;
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CMYKColor maxK = col;
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maxK.K = 1.0;
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mKSlider->slotSetColor1(CmykToRgb(minK));
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mKSlider->slotSetColor2(CmykToRgb(maxK));
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mKSlider->slotSetValue(int(col.K * 255));
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mKIn->setValue(int(col.K * 255));
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mCSlider->blockSignals(false);
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mCIn->blockSignals(false);
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mMSlider->blockSignals(false);
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mMIn->blockSignals(false);
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mYSlider->blockSignals(false);
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mYIn->blockSignals(false);
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mKSlider->blockSignals(false);
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mKIn->blockSignals(false);
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}
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void KoCMYKWidget::slotFGColorSelected(const QColor& c)
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{
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m_fgColor = QColor(c);
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emit sigFgColorChanged(m_fgColor);
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}
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void KoCMYKWidget::slotBGColorSelected(const QColor& c)
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{
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m_bgColor = QColor(c);
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emit sigBgColorChanged(m_bgColor);
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}
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CMYKColor KoCMYKWidget::RgbToCmyk(const QColor& col)
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{
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kdDebug() << "--[ KoCMYKWidget::RgbToCmyk ]--------------------------------------" << endl;
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kdDebug() << endl;
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// RGB to CMY
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float r = col.red() / 255.0;
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float g = col.green() / 255.0;
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float b = col.blue() / 255.0;
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kdDebug() << "float r = col.red() / 255.0;" << endl;
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kdDebug() << " r = " << col.red() << " / 255.0 = " << r << endl;
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kdDebug() << "float g = col.green() / 255.0;" << endl;
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kdDebug() << " g = " << col.green() << " / 255.0 = " << g << endl;
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kdDebug() << "float b = col.blue() / 255.0;" << endl;
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kdDebug() << " b = " << col.blue() << " / 255.0 = " << b << endl;
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kdDebug() << endl;
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float ac = 1.0 - r;
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float am = 1.0 - g;
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float ay = 1.0 - b;
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kdDebug() << "float ac = 1.0 - r;" << endl;
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kdDebug() << " ac = 1.0 - " << r << " = " << ac << endl;
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kdDebug() << "float am = 1.0 - g;" << endl;
|
||
|
|
kdDebug() << " am = 1.0 - " << g << " = " << am << endl;
|
||
|
|
kdDebug() << "float ay = 1.0 - b;" << endl;
|
||
|
|
kdDebug() << " ay = 1.0 - " << b << " = " << ay << endl;
|
||
|
|
kdDebug() << endl;
|
||
|
|
|
||
|
|
// CMY to CMYK
|
||
|
|
float c = 0.0;
|
||
|
|
float m = 0.0;
|
||
|
|
float y = 0.0;
|
||
|
|
float k = 0.0;
|
||
|
|
|
||
|
|
if ((r == 0.0) && (g == 0.0) && (b == 0.0))
|
||
|
|
{
|
||
|
|
kdDebug() << "r = g = b = 0.0: Therefor k = 1.0" << endl;
|
||
|
|
k = 1.0;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
kdDebug() << "r = g = b != 0.0: Therefor k = min(ac,am,ay)" << endl;
|
||
|
|
|
||
|
|
if (kMin(ac,am) == ac)
|
||
|
|
k = kMin(ac,ay);
|
||
|
|
else
|
||
|
|
k = kMin(am,ay);
|
||
|
|
|
||
|
|
c = (ac - k) / (1.0 - k);
|
||
|
|
m = (am - k) / (1.0 - k);
|
||
|
|
y = (ay - k) / (1.0 - k);
|
||
|
|
}
|
||
|
|
|
||
|
|
kdDebug() << "float k = " << k << endl;
|
||
|
|
kdDebug() << endl;
|
||
|
|
|
||
|
|
kdDebug() << "float c = (ac - k) / (1.0 - k);" << endl;
|
||
|
|
kdDebug() << " c = (" << ac << " - " << k << ") / (1.0 - " << k << ") = " << c << endl;
|
||
|
|
kdDebug() << "float m = (am - k) / (1.0 - k);" << endl;
|
||
|
|
kdDebug() << " m = (" << am << " - " << k << ") / (1.0 - " << k << ") = " << m << endl;
|
||
|
|
kdDebug() << "float y = (ay - k) / (1.0 - k);" << endl;
|
||
|
|
kdDebug() << " y = (" << ay << " - " << k << ") / (1.0 - " << k << ") = " << y << endl;
|
||
|
|
kdDebug() << endl;
|
||
|
|
|
||
|
|
CMYKColor color;
|
||
|
|
color.C = c;
|
||
|
|
color.M = m;
|
||
|
|
color.Y = y;
|
||
|
|
color.K = k;
|
||
|
|
|
||
|
|
kdDebug() << "===================================================================" << endl;
|
||
|
|
|
||
|
|
return color;
|
||
|
|
}
|
||
|
|
|
||
|
|
QColor KoCMYKWidget::CmykToRgb(const CMYKColor& c)
|
||
|
|
{
|
||
|
|
// CMYK to CMY
|
||
|
|
float ac = kMin(1.0, c.C * (1.0 - c.K) + c.K);
|
||
|
|
float am = kMin(1.0, c.M * (1.0 - c.K) + c.K);
|
||
|
|
float ay = kMin(1.0, c.Y * (1.0 - c.K) + c.K);
|
||
|
|
|
||
|
|
// CMY to RGB
|
||
|
|
int r = int((1.0 - ac) * 255.0);
|
||
|
|
int g = int((1.0 - am) * 255.0);
|
||
|
|
int b = int((1.0 - ay) * 255.0);
|
||
|
|
|
||
|
|
QColor color;
|
||
|
|
color.setRgb(r,g,b);
|
||
|
|
|
||
|
|
return color;
|
||
|
|
}
|
||
|
|
|
||
|
|
#include "ko_cmyk_widget.moc"
|