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authortpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2010-01-20 01:29:50 +0000
committertpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2010-01-20 01:29:50 +0000
commit8362bf63dea22bbf6736609b0f49c152f975eb63 (patch)
tree0eea3928e39e50fae91d4e68b21b1e6cbae25604 /lib/kopainter/ko_cmyk_widget.cc
downloadkoffice-8362bf63dea22bbf6736609b0f49c152f975eb63.tar.gz
koffice-8362bf63dea22bbf6736609b0f49c152f975eb63.zip
Added old abandoned KDE3 version of koffice
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/koffice@1077364 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'lib/kopainter/ko_cmyk_widget.cc')
-rw-r--r--lib/kopainter/ko_cmyk_widget.cc403
1 files changed, 403 insertions, 0 deletions
diff --git a/lib/kopainter/ko_cmyk_widget.cc b/lib/kopainter/ko_cmyk_widget.cc
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+++ b/lib/kopainter/ko_cmyk_widget.cc
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+/*
+ * This file is part of KOffice
+ *
+ * Copyright (c) 1999 Matthias Elter ([email protected])
+ * Copyright (c) 2001-2002 Igor Jansen ([email protected])
+ * Copyright (c) 2005 Tim Beaulen ([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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+*/
+
+#include "ko_cmyk_widget.h"
+
+#include <qlayout.h>
+#include <qhbox.h>
+#include <qlabel.h>
+#include <qspinbox.h>
+#include <qtooltip.h>
+#include <qcolor.h>
+
+#include <kdebug.h>
+#include <kglobal.h>
+#include <klocale.h>
+
+#include <koFrameButton.h>
+#include <koColorSlider.h>
+#include <kcolordialog.h>
+#include <kdualcolorbutton.h>
+
+KoCMYKWidget::KoCMYKWidget(QWidget *parent, const char *name) : super(parent, name)
+{
+ m_ColorButton = new KDualColorButton(this);
+ m_ColorButton -> setFixedSize(m_ColorButton->sizeHint());
+ QGridLayout *mGrid = new QGridLayout(this, 4, 5, 5, 2);
+
+ /* setup color sliders */
+ mCSlider = new KoColorSlider(this);
+ mCSlider->setMaximumHeight(20);
+ mCSlider->slotSetRange(0, 255);
+ mCSlider->setFocusPolicy( QWidget::ClickFocus );
+
+ mMSlider = new KoColorSlider(this);
+ mMSlider->setMaximumHeight(20);
+ mMSlider->slotSetRange(0, 255);
+ mMSlider->setFocusPolicy( QWidget::ClickFocus );
+
+ mYSlider = new KoColorSlider(this);
+ mYSlider->setMaximumHeight(20);
+ mYSlider->slotSetRange(0, 255);
+ mYSlider->setFocusPolicy( QWidget::ClickFocus );
+
+ mKSlider = new KoColorSlider(this);
+ mKSlider->setMaximumHeight(20);
+ mKSlider->slotSetRange(0, 255);
+ mKSlider->setFocusPolicy( QWidget::ClickFocus );
+
+ /* setup slider labels */
+ mCLabel = new QLabel("C", this);
+ mCLabel->setFixedWidth(12);
+ mCLabel->setFixedHeight(20);
+ mMLabel = new QLabel("M", this);
+ mMLabel->setFixedWidth(12);
+ mMLabel->setFixedHeight(20);
+ mYLabel = new QLabel("Y", this);
+ mYLabel->setFixedWidth(12);
+ mYLabel->setFixedHeight(20);
+ mKLabel = new QLabel("K", this);
+ mKLabel->setFixedWidth(12);
+ mKLabel->setFixedHeight(20);
+
+ /* setup spin box */
+ mCIn = new QSpinBox(0, 255, 1, this);
+ mCIn->setFixedWidth(50);
+ mCIn->setFixedHeight(20);
+ mCIn->setFocusPolicy( QWidget::ClickFocus );
+ QToolTip::add( mCIn, i18n( "Cyan" ) );
+
+ mMIn = new QSpinBox(0, 255, 1, this);
+ mMIn->setFixedWidth(50);
+ mMIn->setFixedHeight(20);
+ mMIn->setFocusPolicy( QWidget::ClickFocus );
+ QToolTip::add( mMIn, i18n( "Magenta" ) );
+
+ mYIn = new QSpinBox(0, 255, 1, this);
+ mYIn->setFixedWidth(50);
+ mYIn->setFixedHeight(20);
+ mYIn->setFocusPolicy( QWidget::ClickFocus );
+ QToolTip::add( mYIn, i18n( "Yellow" ) );
+
+ mKIn = new QSpinBox(0, 255, 1, this);
+ mKIn->setFixedWidth(50);
+ mKIn->setFixedHeight(20);
+ mKIn->setFocusPolicy( QWidget::ClickFocus );
+ QToolTip::add( mKIn, i18n( "Black" ) );
+
+ mGrid->addMultiCellWidget(m_ColorButton, 0, 4, 0, 0, Qt::AlignTop);
+ mGrid->addWidget(mCLabel, 0, 1);
+ mGrid->addWidget(mMLabel, 1, 1);
+ mGrid->addWidget(mYLabel, 2, 1);
+ mGrid->addWidget(mKLabel, 3, 1);
+ mGrid->addMultiCellWidget(mCSlider, 0, 0, 2, 3);
+ mGrid->addMultiCellWidget(mMSlider, 1, 1, 2, 3);
+ mGrid->addMultiCellWidget(mYSlider, 2, 2, 2, 3);
+ mGrid->addMultiCellWidget(mKSlider, 3, 3, 2, 3);
+ mGrid->addWidget(mCIn, 0, 4);
+ mGrid->addWidget(mMIn, 1, 4);
+ mGrid->addWidget(mYIn, 2, 4);
+ mGrid->addWidget(mKIn, 3, 4);
+
+ connect(m_ColorButton, SIGNAL(fgChanged(const QColor &)), this, SLOT(slotFGColorSelected(const QColor &)));
+ connect(m_ColorButton, SIGNAL(bgChanged(const QColor &)), this, SLOT(slotBGColorSelected(const QColor &)));
+
+ /* connect color sliders */
+ connect(mCSlider, SIGNAL(valueChanged(int)), this, SLOT(slotCChanged(int)));
+ connect(mMSlider, SIGNAL(valueChanged(int)), this, SLOT(slotMChanged(int)));
+ connect(mYSlider, SIGNAL(valueChanged(int)), this, SLOT(slotYChanged(int)));
+ connect(mKSlider, SIGNAL(valueChanged(int)), this, SLOT(slotKChanged(int)));
+
+ /* connect spin box */
+ connect(mCIn, SIGNAL(valueChanged(int)), this, SLOT(slotCChanged(int)));
+ connect(mMIn, SIGNAL(valueChanged(int)), this, SLOT(slotMChanged(int)));
+ connect(mYIn, SIGNAL(valueChanged(int)), this, SLOT(slotYChanged(int)));
+ connect(mKIn, SIGNAL(valueChanged(int)), this, SLOT(slotKChanged(int)));
+}
+
+void KoCMYKWidget::slotCChanged(int c)
+{
+ if (m_ColorButton->current() == KDualColorButton::Foreground){
+ CMYKColor col = RgbToCmyk(m_fgColor);
+ col.C = c / 255.0;
+ m_fgColor = CmykToRgb(col);
+ m_ColorButton->setCurrent(KDualColorButton::Foreground);
+ emit sigFgColorChanged(m_fgColor);
+ }
+ else{
+ CMYKColor col = RgbToCmyk(m_bgColor);
+ col.C = c / 255.0;
+ m_bgColor = CmykToRgb(col);
+ m_ColorButton->setCurrent(KDualColorButton::Background);
+ emit sigBgColorChanged(m_bgColor);
+ }
+}
+
+void KoCMYKWidget::slotMChanged(int m)
+{
+ if (m_ColorButton->current() == KDualColorButton::Foreground){
+ CMYKColor col = RgbToCmyk(m_fgColor);
+ col.M = m / 255.0;
+ m_fgColor = CmykToRgb(col);
+ m_ColorButton->setCurrent(KDualColorButton::Foreground);
+ emit sigFgColorChanged(m_fgColor);
+ }
+ else{
+ CMYKColor col = RgbToCmyk(m_bgColor);
+ col.M = m / 255.0;
+ m_bgColor = CmykToRgb(col);
+ m_ColorButton->setCurrent(KDualColorButton::Background);
+ emit sigBgColorChanged(m_bgColor);
+ }
+}
+
+void KoCMYKWidget::slotYChanged(int y)
+{
+ if (m_ColorButton->current() == KDualColorButton::Foreground){
+ CMYKColor col = RgbToCmyk(m_fgColor);
+ col.Y = y / 255.0;
+ m_fgColor = CmykToRgb(col);
+ m_ColorButton->setCurrent(KDualColorButton::Foreground);
+ emit sigFgColorChanged(m_fgColor);
+ }
+ else{
+ CMYKColor col = RgbToCmyk(m_bgColor);
+ col.Y = y / 255.0;
+ m_bgColor = CmykToRgb(col);
+ m_ColorButton->setCurrent(KDualColorButton::Background);
+ emit sigBgColorChanged(m_bgColor);
+ }
+}
+
+void KoCMYKWidget::slotKChanged(int k)
+{
+ if (m_ColorButton->current() == KDualColorButton::Foreground){
+ CMYKColor col = RgbToCmyk(m_fgColor);
+ col.K = k / 255.0;
+ m_fgColor = CmykToRgb(col);
+ m_ColorButton->setCurrent(KDualColorButton::Foreground);
+ emit sigFgColorChanged(m_fgColor);
+ }
+ else{
+ CMYKColor col = RgbToCmyk(m_bgColor);
+ col.K = k / 255.0;
+ m_bgColor = CmykToRgb(col);
+ m_ColorButton->setCurrent(KDualColorButton::Background);
+ emit sigBgColorChanged(m_bgColor);
+ }
+}
+
+void KoCMYKWidget::setFgColor(const QColor & c)
+{
+ update(c, m_bgColor);
+}
+
+void KoCMYKWidget::setBgColor(const QColor & c)
+{
+ update(m_fgColor, c);
+}
+
+void KoCMYKWidget::update(const QColor fgColor, const QColor bgColor)
+{
+ m_fgColor = fgColor;
+ m_bgColor = bgColor;
+
+ QColor color = (m_ColorButton->current() == KDualColorButton::Foreground)? m_fgColor : m_bgColor;
+
+ CMYKColor col = RgbToCmyk(color);
+
+ disconnect(m_ColorButton, SIGNAL(fgChanged(const QColor &)), this, SLOT(slotFGColorSelected(const QColor &)));
+ disconnect(m_ColorButton, SIGNAL(bgChanged(const QColor &)), this, SLOT(slotBGColorSelected(const QColor &)));
+
+ m_ColorButton->setForeground( m_fgColor );
+ m_ColorButton->setBackground( m_bgColor );
+
+ connect(m_ColorButton, SIGNAL(fgChanged(const QColor &)), this, SLOT(slotFGColorSelected(const QColor &)));
+ connect(m_ColorButton, SIGNAL(bgChanged(const QColor &)), this, SLOT(slotBGColorSelected(const QColor &)));
+
+ mCSlider->blockSignals(true);
+ mCIn->blockSignals(true);
+ mMSlider->blockSignals(true);
+ mMIn->blockSignals(true);
+ mYSlider->blockSignals(true);
+ mYIn->blockSignals(true);
+ mKSlider->blockSignals(true);
+ mKIn->blockSignals(true);
+
+ CMYKColor minC = col;
+ minC.C = 0.0;
+ CMYKColor maxC = col;
+ maxC.C = 1.0;
+
+ mCSlider->slotSetColor1(CmykToRgb(minC));
+ mCSlider->slotSetColor2(CmykToRgb(maxC));
+ mCSlider->slotSetValue(int(col.C * 255));
+ mCIn->setValue(int(col.C * 255));
+
+ CMYKColor minM = col;
+ minM.M = 0.0;
+ CMYKColor maxM = col;
+ maxM.M = 1.0;
+
+ mMSlider->slotSetColor1(CmykToRgb(minM));
+ mMSlider->slotSetColor2(CmykToRgb(maxM));
+ mMSlider->slotSetValue(int(col.M * 255));
+ mMIn->setValue(int(col.M * 255));
+
+ CMYKColor minY = col;
+ minY.Y = 0.0;
+ CMYKColor maxY = col;
+ maxY.Y = 1.0;
+
+ mYSlider->slotSetColor1(CmykToRgb(minY));
+ mYSlider->slotSetColor2(CmykToRgb(maxY));
+ mYSlider->slotSetValue(int(col.Y * 255));
+ mYIn->setValue(int(col.Y * 255));
+
+ CMYKColor minK = col;
+ minK.K = 0.0;
+ CMYKColor maxK = col;
+ maxK.K = 1.0;
+
+ mKSlider->slotSetColor1(CmykToRgb(minK));
+ mKSlider->slotSetColor2(CmykToRgb(maxK));
+ mKSlider->slotSetValue(int(col.K * 255));
+ mKIn->setValue(int(col.K * 255));
+
+ mCSlider->blockSignals(false);
+ mCIn->blockSignals(false);
+ mMSlider->blockSignals(false);
+ mMIn->blockSignals(false);
+ mYSlider->blockSignals(false);
+ mYIn->blockSignals(false);
+ mKSlider->blockSignals(false);
+ mKIn->blockSignals(false);
+}
+
+void KoCMYKWidget::slotFGColorSelected(const QColor& c)
+{
+ m_fgColor = QColor(c);
+ emit sigFgColorChanged(m_fgColor);
+}
+
+void KoCMYKWidget::slotBGColorSelected(const QColor& c)
+{
+ m_bgColor = QColor(c);
+ emit sigBgColorChanged(m_bgColor);
+}
+
+CMYKColor KoCMYKWidget::RgbToCmyk(const QColor& col)
+{
+ kdDebug() << "--[ KoCMYKWidget::RgbToCmyk ]--------------------------------------" << endl;
+ kdDebug() << endl;
+
+ // RGB to CMY
+ float r = col.red() / 255.0;
+ float g = col.green() / 255.0;
+ float b = col.blue() / 255.0;
+
+ kdDebug() << "float r = col.red() / 255.0;" << endl;
+ kdDebug() << " r = " << col.red() << " / 255.0 = " << r << endl;
+ kdDebug() << "float g = col.green() / 255.0;" << endl;
+ kdDebug() << " g = " << col.green() << " / 255.0 = " << g << endl;
+ kdDebug() << "float b = col.blue() / 255.0;" << endl;
+ kdDebug() << " b = " << col.blue() << " / 255.0 = " << b << endl;
+ kdDebug() << endl;
+
+ float ac = 1.0 - r;
+ float am = 1.0 - g;
+ float ay = 1.0 - b;
+
+ kdDebug() << "float ac = 1.0 - r;" << endl;
+ kdDebug() << " ac = 1.0 - " << r << " = " << ac << endl;
+ 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"