kpimagepage.cpp
/*
* This file is part of the KDE libraries
* Copyright (c) 2001 Michael Goffioul <kdeprint@swing.be>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License version 2 as published by the Free Software Foundation.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
**/
#include "kpimagepage.h"
#include "imageposition.h"
#include "imagepreview.h"
#include "driver.h"
#include <qcombobox.h>
#include <qbuttongroup.h>
#include <qradiobutton.h>
#include <qgroupbox.h>
#include <qpushbutton.h>
#include <qapplication.h>
#include <qimage.h>
#include <qlabel.h>
#include <qlayout.h>
#include <qwhatsthis.h>
#include <klocale.h>
#include <knuminput.h>
#include <kseparator.h>
#include <kstandarddirs.h>
KPImagePage::KPImagePage(DrMain *driver, QWidget *parent, const char *name)
: KPrintDialogPage(parent, name)
{
//WhatsThis strings.... (added by pfeifle@kde.org)
QString whatsThisBrightnessImagePage = i18n( " <qt> "
" <p><b>Brightness:</b> Slider to control the brightness value of all colors used.</p>"
" <p> The brightness value can range from 0 to 200. Values greater than 100 will "
" lighten the print. Values less than 100 will darken the print. </p> "
" <br> "
" <hr> "
" <p><em><b>Additional hint for power users:</b> This KDEPrint GUI element matches "
" with the CUPS commandline job option parameter:</em> "
" <pre>"
" -o brightness=... # use range from \"0\" to \"200\" "
" </pre> "
" </p> "
" </qt>" );
QString whatsThisHueImagePage = i18n( " <qt> "
" <p><b>Hue (Tint):</b> Slider to control the hue value for color rotation.</p>"
" <p> The hue value is a number from -360 to 360 and represents the color hue rotation. "
" The following table summarizes the change you will see for the base colors: "
" <center> "
" <table border=\"1\" width=\"70%\"> "
" <tr><th><b>Original</b></th> <th><b>hue=-45</b></th> <th><b>hue=45</b></th> </tr> "
" <tr><td>Red</td> <td>Purple</td> <td>Yellow-orange</td> </tr> "
" <tr><td>Green</td> <td>Yellow-green</td> <td>Blue-green</td> </tr> "
" <tr><td>Yellow</td> <td>Orange</td> <td>Green-yellow</td> </tr> "
" <tr><td>Blue</td> <td>Sky-blue</td> <td>Purple</td> </tr> "
" <tr><td>Magenta</td> <td>Indigo</td> <td>Crimson</td> </tr> "
" <tr><td>Cyan</td> <td>Blue-green</td> <td>Light-navy-blue</td> </tr> "
" </table> "
" </center> "
" <br> "
" <hr> "
" <p><em><b>Additional hint for power users:</b> This KDEPrint GUI element matches "
" with the CUPS commandline job option parameter:</em> "
" <pre>"
" -o hue=... # use range from \"-360\" to \"360\" "
" </pre>"
" </p> "
" </qt>" );
QString whatsThisSaturationImagePage = i18n( " <qt> "
" <p><b>Saturation:</b> Slider to control the saturation value for all colors used.</p>"
" <p> The saturation value adjusts the saturation of the colors in an image, similar to "
" the color knob on your television. The color saturation value.can range from 0 to 200."
" On inkjet printers, a higher saturation value uses more ink. On laserjet printers, a "
" higher saturation uses more toner. "
" A color saturation of 0 produces a black-and-white print, while a value of 200 will "
" make the colors extremely intense. </p>"
" <br> "
" <hr> "
" <p><em><b>Additional hint for power users:</b> This KDEPrint GUI element matches "
" with the CUPS commandline job option parameter:</em> "
" <pre>"
" -o saturation=... # use range from \"0\" to \"200\" "
" </pre>"
" </p> "
" </qt>" );
QString whatsThisGammaImagePage = i18n( " <qt> "
" <p><b>Gamma:</b> Slider to control the gamma value for color correction.</p>"
" <p> The gamma value can range from 1 to 3000. "
" A gamma values greater than 1000 lightens the print. A gamma value less than 1000 "
" darken the print. The default gamma is 1000. </p>"
" <p><b>Note:</b></p> the gamma value adjustment is not visible in the thumbnail "
" preview. </p> "
" <br> "
" <hr> "
" <p><em><b>Additional hint for power users:</b> This KDEPrint GUI element matches "
" with the CUPS commandline job option parameter:</em> "
" <pre>"
" -o gamma=... # use range from \"1\" to \"3000\" "
" </pre>"
" </p> "
" </qt>" );
QString whatsThisImagePage = i18n( " <qt> "
" <p><b>Image Printing Options</b></p> "
" <p>All options controlled on this page only apply to printing images. "
" Most image file formats are supported. To name a few: JPEG, TIFF, PNG, GIF, "
" PNM (PBM/PGM/PNM/PPM), Sun Raster, SGI RGB, Windows BMP."
" Options to influence color output of image printouts are: "
" <ul> "
" <li> Brightness </li>"
" <li> Hue </li>"
" <li> Saturation </li>"
" <li> Gamma </li>"
" </ul> "
" <p>For a more detailed explanation about Brightness, Hue, Saturation and Gamma settings, please "
" look at the 'WhatsThis' items provided for these controls. "
" </p> "
" </p> "
" </qt>" );
QString whatsThisColorationPreviewImagePage = i18n( " <qt> "
" <p><b>Coloration Preview Thumbnail</b></p> "
" <p>The coloration preview thumbnail indicates change of image coloration by different settings. "
" Options to influence output are: "
" <ul> "
" <li> Brightness </li>"
" <li> Hue (Tint) </li>"
" <li> Saturation </li>"
" <li> Gamma </li>"
" </ul> "
" </p> "
" <p>For a more detailed explanation about Brightness, Hue, Saturation and Gamma settings, please "
" look at the 'WhatsThis' items provided for these controls. "
" </p> "
" </qt>" );
QString whatsThisSizeImagePage = i18n( " <qt> "
" <p><b>Image Size:</b> Dropdown menu to control the image size on the printed paper. Dropdown "
" works in conjunction with slider below. Dropdown options are:.</p>"
" <ul> "
" <li> <b>Natural Image Size:</b> Image prints in its natural image size. If it does not fit onto "
" one sheet, the printout will be spread across multiple sheets. Note, that the slider is disabled "
" when selecting 'natural image size' in the dropdown menu. </li>"
" <li> <b>Resolution (ppi):</b> The resolution value slider covers a number range from 1 to 1200. "
" It specifies the resolution of the image in Pixels Per Inch (PPI). An image that is 3000x2400 pixels "
" will print 10x8 inches at 300 pixels per inch, for example, but 5x4 inches at 600 pixels per inch."
" If the specified resolution makes the image larger than the page, multiple pages will be printed. "
" Resolution defaults to 72 ppi. "
" </li>"
" <li> <b>% of Page Size:</b> The percent value slider covers numbers from 1 to 800. It specifies the size "
" in relation to the page (not the image). A scaling of 100 percent will fill the page as completely "
" as the image aspect ratio allows (doing auto-rotation of the image as needed). "
" A scaling of more than 100 will print the image across multiple "
" sheets. A scaling of 200 percent will print on up to 4 pages. </li>"
" Scaling in % of page size defaults to 100 %. "
" <li> <b>% of Natural Image Size:</b> The percent value slider moves from 1 to 800. It specifies "
" the printout size in relation "
" to the natural image size. A scaling of 100 percent will print the image at its natural size, while a "
" scaling of 50 percent will print the image at half its natural size. If the specified scaling makes "
" the image larger than the page, multiple pages will be printed. "
" Scaling in % of natural image size defaults to 100 %. "
" </ul> "
" <br> "
" <hr> "
" <p><em><b>Additional hint for power users:</b> This KDEPrint GUI element matches "
" with the CUPS commandline job option parameter:</em> "
" <pre>"
" -o natural-scaling=... # range in % is 1....800 "
" <br> "
" -o scaling=... # range in % is 1....800 "
" <br> "
" -o ppi=... # range in ppi is 1...1200 "
" </pre>"
" </p> "
" </qt>" );
QString whatsThisPreviewPositionImagePage = i18n( " <qt> "
" <p><b>Position Preview Thumbnail</b></p> "
" <p>This position preview thumbnail indicates the position of the image on the paper sheet. "
" <p>Click on horizontal and vertical radio buttons to move image alignment on paper around. Options are: "
" <ul> "
" <li> center </li>"
" <li> top </li>"
" <li> top-left </li>"
" <li> left </li>"
" <li> bottom-left </li>"
" <li> bottom </li>"
" <li> bottom-right</li>"
" <li> right </li>"
" <li> top-right </li>"
" </ul> "
" </p> "
" </qt>" );
QString whatsThisResetButtonImagePage = i18n( " <qt> "
" <p><b>Reset to Default Values</b> </p> "
" <p> Reset all coloration settings to default values. Default values are: "
" <ul> "
" <li> Brightness: 100 </li>"
" <li> Hue (Tint). 0 </li>"
" <li> Saturation: 100 </li>"
" <li> Gamma: 1000 </li>"
" </ul> "
" </p> "
" </qt>" );
QString whatsThisPositionImagePage = i18n( " <qt> "
" <p><b>Image Positioning:</b></p> "
" <p>Select a pair of radiobuttons to "
" move image to the position you want on the paper printout. Default "
" is 'center'. </p> "
" <br> "
" <hr> "
" <p><em><b>Additional hint for power users:</b> This KDEPrint GUI element matches "
" with the CUPS commandline job option parameter:</em> "
" <pre>"
" -o position=... # examples: \"top-left\" or \"bottom\" "
" </pre>"
" </p> "
" </qt>" );
setTitle(i18n("Image"));
QGroupBox *colorbox = new QGroupBox(0, Qt::Vertical, i18n("Color Settings"), this);
QWhatsThis::add(this, whatsThisImagePage);
QGroupBox *sizebox = new QGroupBox(0, Qt::Vertical, i18n("Image Size"), this);
QWhatsThis::add(sizebox, whatsThisSizeImagePage);
QGroupBox *positionbox = new QGroupBox(0, Qt::Vertical, i18n("Image Position"), this);
QWhatsThis::add(positionbox, whatsThisPositionImagePage);
m_brightness = new KIntNumInput(100, colorbox);
m_brightness->setLabel(i18n("&Brightness:"));
m_brightness->setRange(0, 200, 20, true);
QWhatsThis::add(m_brightness, whatsThisBrightnessImagePage);
m_hue = new KIntNumInput(m_brightness, 0, colorbox);
m_hue->setLabel(i18n("&Hue (Color rotation):"));
m_hue->setRange(-360, 360, 36, true);
QWhatsThis::add(m_hue, whatsThisHueImagePage);
m_saturation = new KIntNumInput(m_brightness, 100, colorbox);
m_saturation->setLabel(i18n("&Saturation:"));
m_saturation->setRange(0, 200, 20, true);
QWhatsThis::add(m_saturation, whatsThisSaturationImagePage);
m_gamma = new KIntNumInput(m_saturation, 1000, colorbox);
m_gamma->setLabel(i18n("&Gamma (Color correction):"));
m_gamma->setRange(1, 3000, 100, true);
QWhatsThis::add(m_gamma, whatsThisGammaImagePage);
connect(m_brightness, SIGNAL(valueChanged(int)), SLOT(slotImageSettingsChanged()));
connect(m_hue, SIGNAL(valueChanged(int)), SLOT(slotImageSettingsChanged()));
connect(m_saturation, SIGNAL(valueChanged(int)), SLOT(slotImageSettingsChanged()));
//connect(m_gamma, SIGNAL(valueChanged(int)), SLOT(slotImageSettingsChanged()));
m_preview = new ImagePreview(colorbox);
bool useColor = (driver ? driver->get("colordevice") == "1" : true);
m_preview->setBlackAndWhite(!useColor);
QWhatsThis::add(m_preview, whatsThisColorationPreviewImagePage);
m_hue->setEnabled(useColor);
m_saturation->setEnabled(useColor);
QImage img(locate("data", "kdeprint/preview.png"));
m_preview->setImage(img);
KSeparator *sep = new KSeparator(Qt::Horizontal, colorbox);
QPushButton *defbtn = new QPushButton(i18n("&Default Settings"), colorbox);
QWhatsThis::add(defbtn, whatsThisResetButtonImagePage);
connect(defbtn, SIGNAL(clicked()), SLOT(slotDefaultClicked()));
slotDefaultClicked();
m_sizetype = new QComboBox(sizebox);
m_sizetype->insertItem(i18n("Natural Image Size"));
m_sizetype->insertItem(i18n("Resolution (ppi)"));
// xgettext:no-c-format
m_sizetype->insertItem(i18n("% of Page"));
// xgettext:no-c-format
m_sizetype->insertItem(i18n("% of Natural Image Size"));
m_size = new KIntNumInput(sizebox);
m_size->setRange(1, 1200, 20, true);
m_size->setValue(72);
connect(m_sizetype, SIGNAL(activated(int)), SLOT(slotSizeTypeChanged(int)));
m_sizetype->setCurrentItem(0);
slotSizeTypeChanged(0);
QLabel *lab = new QLabel(i18n("&Image size type:"), sizebox);
lab->setBuddy(m_sizetype);
m_position = new ImagePosition(positionbox);
QWhatsThis::add(m_position, whatsThisPreviewPositionImagePage);
QRadioButton *bottom = new QRadioButton(positionbox);
QRadioButton *top = new QRadioButton(positionbox);
QRadioButton *vcenter = new QRadioButton(positionbox);
QRadioButton *left = new QRadioButton(positionbox);
QRadioButton *right = new QRadioButton(positionbox);
QRadioButton *hcenter = new QRadioButton(positionbox);
QSize sz = bottom->sizeHint();
bottom->setFixedSize(sz);
vcenter->setFixedSize(sz);
top->setFixedSize(sz);
left->setFixedSize(sz);
hcenter->setFixedSize(sz);
right->setFixedSize(sz);
m_vertgrp = new QButtonGroup(positionbox);
m_vertgrp->hide();
m_horizgrp = new QButtonGroup(positionbox);
m_horizgrp->hide();
m_vertgrp->insert(top, 0);
m_vertgrp->insert(vcenter, 1);
m_vertgrp->insert(bottom, 2);
if ( QApplication::reverseLayout() )
{
m_horizgrp->insert(left, 2);
m_horizgrp->insert(hcenter, 1);
m_horizgrp->insert(right, 0);
}
else
{
m_horizgrp->insert(left, 0);
m_horizgrp->insert(hcenter, 1);
m_horizgrp->insert(right, 2);
}
connect(m_vertgrp, SIGNAL(clicked(int)), SLOT(slotPositionChanged()));
connect(m_horizgrp, SIGNAL(clicked(int)), SLOT(slotPositionChanged()));
m_vertgrp->setButton(1);
m_horizgrp->setButton(1);
slotPositionChanged();
QGridLayout *l0 = new QGridLayout(this, 2, 2, 0, 10);
l0->addMultiCellWidget(colorbox, 0, 0, 0, 1);
l0->addWidget(sizebox, 1, 0);
l0->addWidget(positionbox, 1, 1);
l0->setColStretch(0, 1);
QGridLayout *l1 = new QGridLayout(colorbox->layout(), 5, 2, 10);
l1->addWidget(m_brightness, 0, 0);
l1->addWidget(m_hue, 1, 0);
l1->addWidget(m_saturation, 2, 0);
l1->addWidget(sep, 3, 0);
l1->addWidget(m_gamma, 4, 0);
l1->addMultiCellWidget(m_preview, 0, 3, 1, 1);
l1->addWidget(defbtn, 4, 1);
QVBoxLayout *l2 = new QVBoxLayout(sizebox->layout(), 3);
l2->addStretch(1);
l2->addWidget(lab);
l2->addWidget(m_sizetype);
l2->addSpacing(10);
l2->addWidget(m_size);
l2->addStretch(1);
QGridLayout *l3 = new QGridLayout(positionbox->layout(), 2, 2, 10);
QHBoxLayout *l4 = new QHBoxLayout(0, 0, 10);
QVBoxLayout *l5 = new QVBoxLayout(0, 0, 10);
l3->addLayout(l4, 0, 1);
l3->addLayout(l5, 1, 0);
l3->addWidget(m_position, 1, 1);
l4->addWidget(left, Qt::AlignLeft);
l4->addWidget(hcenter, Qt::AlignCenter);
l4->addWidget(right, Qt::AlignRight);
l5->addWidget(top, Qt::AlignTop);
l5->addWidget(vcenter, Qt::AlignVCenter);
l5->addWidget(bottom, Qt::AlignBottom);
}
KPImagePage::~KPImagePage()
{
}
void KPImagePage::setOptions(const QMap<QString,QString>& opts)
{
QString value;
if (!(value=opts["brightness"]).isEmpty())
m_brightness->setValue(value.toInt());
if (!(value=opts["hue"]).isEmpty())
m_hue->setValue(value.toInt());
if (!(value=opts["saturation"]).isEmpty())
m_saturation->setValue(value.toInt());
if (!(value=opts["gamma"]).isEmpty())
m_gamma->setValue(value.toInt());
int type = 0;
int ival(0);
if ((ival = opts["ppi"].toInt()) != 0)
type = 1;
else if ((ival = opts["scaling"].toInt()) != 0)
type = 2;
else if (!opts["natural-scaling"].isEmpty() && (ival = opts["natural-scaling"].toInt()) != 1)
type = 3;
m_sizetype->setCurrentItem(type);
slotSizeTypeChanged(type);
if (type != 0)
m_size->setValue(ival);
if (!(value=opts["position"]).isEmpty())
{
m_position->setPosition(value.latin1());
int pos = m_position->position();
m_vertgrp->setButton(pos/3);
m_horizgrp->setButton(pos%3);
}
}
void KPImagePage::getOptions(QMap<QString,QString>& opts, bool incldef)
{
if (incldef || m_brightness->value() != 100)
opts["brightness"] = QString::number(m_brightness->value());
if (m_hue->isEnabled())
{
if (incldef || m_hue->value() != 0)
opts["hue"] = QString::number(m_hue->value());
if (incldef || m_saturation->value() != 100)
opts["saturation"] = QString::number(m_saturation->value());
}
if (incldef || m_gamma->value() != 1000)
opts["gamma"] = QString::number(m_gamma->value());
QString name;
if (incldef)
{
opts["ppi"] = "0";
opts["scaling"] = "0";
opts["natural-scaling"] = "1";
}
switch (m_sizetype->currentItem())
{
case 0: break;
case 1: name = "ppi"; break;
case 2: name = "scaling"; break;
case 3: name = "natural-scaling"; break;
}
if (!name.isEmpty())
opts[name] = QString::number(m_size->value());
if (incldef || m_position->position() != ImagePosition::Center)
opts["position"] = m_position->positionString();
}
void KPImagePage::slotSizeTypeChanged(int t)
{
m_size->setEnabled(t > 0);
if (t > 0)
{
int minval, maxval, defval;
if (t == 1)
{
minval = 1;
maxval = 1200;
defval = 72;
}
else
{
minval = 1;
maxval = 800;
defval = 100;
}
m_size->setRange(minval, maxval);
m_size->setValue(defval);
}
}
void KPImagePage::slotPositionChanged()
{
int h = m_horizgrp->id(m_horizgrp->selected()), v = m_vertgrp->id(m_vertgrp->selected());
m_position->setPosition(h, v);
}
void KPImagePage::slotImageSettingsChanged()
{
int b = m_brightness->value(), h = m_hue->value(), s = m_saturation->value();
//int g = m_gamma->value();
int g = 1000;
m_preview->setParameters(b, h, s, g);
}
void KPImagePage::slotDefaultClicked()
{
m_brightness->setValue(100);
m_hue->setValue(0);
m_saturation->setValue(100);
m_gamma->setValue(1000);
}
#include "kpimagepage.moc"
KPrintDialogPage
This class is intended to be used as base class for customized print dialog page. ...
Definition: kprintdialogpage.h:90

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