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/* KRPINTER4 - Simple PostScript document printer
* Copyright (C) 2014 Marco Nelles, credativ GmbH (marco.nelles@credativ.de)
* <http://www.credativ.com/>
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
/*
Gwenview:
Copyright 2007 Aurélien Gâteau <agateau@kde.org>
*/
#include "printscalingoptionswidget.h"
printScalingOptionsWidget::printScalingOptionsWidget(QWidget *parent) : printScalingOptionsWidgetUI(parent) {
initPositionFrame();
mScaleGroup.addButton(mNoScale, NoScale);
mScaleGroup.addButton(mScaleToPage, ScaleToPage);
mScaleGroup.addButton(mScaleTo, ScaleToCustomSize);
connect(mNoScale, SIGNAL(toggled(bool)), SLOT(emitScalingEnabled(bool)));
}
printScalingOptionsWidget::~printScalingOptionsWidget() {
}
void printScalingOptionsWidget::initPositionFrame() {
mPositionFrame->setStyleSheet(
"QFrame {"
" background-color: palette(mid);"
" border: 1px solid palette(dark);"
"}"
"QToolButton {"
" border: none;"
" background: palette(base);"
"}"
"QToolButton:hover {"
" background: palette(alternate-base);"
" border: 1px solid palette(highlight);"
"}"
"QToolButton:checked {"
" background-color: palette(highlight);"
"}"
);
QGridLayout* layout = new QGridLayout(mPositionFrame);
layout->setMargin(0);
layout->setSpacing(1);
for (int row = 0; row < 3; ++row) {
for (int col = 0; col < 3; ++col) {
QToolButton* button = new QToolButton(mPositionFrame);
button->setFixedSize(40, 40);
button->setCheckable(TRUE);
layout->addWidget(button, row, col);
Qt::Alignment alignment;
if (row == 0) {
alignment = Qt::AlignTop;
} else if (row == 1) {
alignment = Qt::AlignVCenter;
} else {
alignment = Qt::AlignBottom;
}
if (col == 0) {
alignment |= Qt::AlignLeft;
} else if (col == 1) {
alignment |= Qt::AlignHCenter;
} else {
alignment |= Qt::AlignRight;
}
mPositionGroup.addButton(button, int(alignment));
if (alignment & Qt::AlignVCenter && alignment & Qt::AlignHCenter)
{
button->setChecked(TRUE);
}
}
}
}
Qt::Alignment printScalingOptionsWidget::alignment() const {
int id = mPositionGroup.checkedId();
return Qt::Alignment(id);
}
printScalingOptionsWidget::ScaleMode printScalingOptionsWidget::scaleMode() const {
return printScalingOptionsWidget::ScaleMode(mScaleGroup.checkedId());
}
bool printScalingOptionsWidget::enlargeSmallerImages() const {
return kcfg_PrintEnlargeSmallerImages->isChecked();
}
double printScalingOptionsWidget::scaleFactor() const {
return kcfg_PrintScalePercent->value() / 100.0f;
}
QSize printScalingOptionsWidget::adjustPainterSize(const QImage& img, const QSize & viewportSize, const QSizeF& pageSize, const QSizeF& paperSize) {
QSize size = img.size();
printScalingOptionsWidget::ScaleMode scaleMode = this->scaleMode();
if (scaleMode == printScalingOptionsWidget::ScaleToPage) {
bool imageBiggerThanPaper =
size.width() > viewportSize.width()
|| size.height() > viewportSize.height();
if (imageBiggerThanPaper || enlargeSmallerImages()) {
size.scale(viewportSize, Qt::KeepAspectRatio);
}
} else if (scaleMode == printScalingOptionsWidget::ScaleToCustomSize) {
qreal scalePixelX = pageSize.width() / paperSize.width();
qreal scalePixelY = pageSize.height() / paperSize.height();
size.scale(viewportSize.width() * scalePixelX * scaleFactor(),
viewportSize.height() * scalePixelY * scaleFactor(),
Qt::KeepAspectRatio);
}
return size;
}
QPoint printScalingOptionsWidget::adjustPainterPosition(const QSize& imageSize, const QSize & viewportSize) {
Qt::Alignment alignment = this->alignment();
int posX, posY;
if (alignment & Qt::AlignLeft) {
posX = 0;
} else if (alignment & Qt::AlignHCenter) {
posX = (viewportSize.width() - imageSize.width()) / 2;
} else {
posX = viewportSize.width() - imageSize.width();
}
if (alignment & Qt::AlignTop) {
posY = 0;
} else if (alignment & Qt::AlignVCenter) {
posY = (viewportSize.height() - imageSize.height()) / 2;
} else {
posY = viewportSize.height() - imageSize.height();
}
return QPoint(posX, posY);
}
void printScalingOptionsWidget::emitScalingEnabled(bool noScale) {
emit scalingEnabled(!noScale);
}
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