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ui/forms/qg_dlgimageoptions.cpp

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+/****************************************************************************
+**
+** This file is part of the LibreCAD project, a 2D CAD program
+**
+** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
+** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
+**
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU General Public License version 2 as published by the Free Software 
+** Foundation and appearing in the file gpl-2.0.txt included in the
+** packaging of this file.
+**
+** 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
+**
+** This copyright notice MUST APPEAR in all copies of the script!  
+**
+**********************************************************************/
+#include "qg_dlgimageoptions.h"
+
+#include "rs_math.h"
+#include "rs_settings.h"
+
+/*
+ *  Constructs a QG_ImageOptionsDialog as a child of 'parent', with the
+ *  name 'name' and widget flags set to 'f'.
+ *
+ *  The dialog will by default be modeless, unless you set 'modal' to
+ *  true to construct a modal dialog.
+ */
+QG_ImageOptionsDialog::QG_ImageOptionsDialog(QWidget* parent, bool modal, Qt::WindowFlags fl)
+    : QDialog(parent, fl)
+{
+    setModal(modal);
+    setupUi(this);
+
+    init();
+}
+
+/*
+ *  Destroys the object and frees any allocated resources
+ */
+QG_ImageOptionsDialog::~QG_ImageOptionsDialog()
+{
+    // no need to delete child widgets, Qt does it all for us
+}
+
+/*
+ *  Sets the strings of the subwidgets using the current
+ *  language.
+ */
+void QG_ImageOptionsDialog::languageChange()
+{
+    retranslateUi(this);
+}
+
+void QG_ImageOptionsDialog::init() {
+    graphicSize = RS_Vector(0.0,0.0);
+    updateEnabled = false;
+    useResolution = true;
+
+    RS_SETTINGS->beginGroup("/Export");
+    if (RS_SETTINGS->readEntry("/UseResolution", "1")=="1") {
+        cbResolution->setCurrentIndex(cbResolution->findText(QString("%1").arg(RS_SETTINGS->readEntry("/Resolution","1"))));
+	}
+    else {
+		leWidth->setText(RS_SETTINGS->readEntry("/Width", "640"));
+        leHeight->setText(RS_SETTINGS->readEntry("/Height", "480"));
+    }
+    if (RS_SETTINGS->readEntry("/BlackBackground", "0")=="1") {
+        rbBlack->setChecked(true);
+        rbWhite->setChecked(false);
+    }
+    else {
+    	rbBlack->setChecked(false);
+		rbWhite->setChecked(true);
+    }
+    if (RS_SETTINGS->readEntry("/BlackWhite", "1")=="1") {
+        rbBlackWhite->setChecked(true);
+        rbColoured->setChecked(false);
+    }
+    else {
+    	rbBlackWhite->setChecked(false);
+    	rbColoured->setChecked(true);
+    }
+    leLeftRight->setText(RS_SETTINGS->readEntry("/BorderLeftRight", "5"));
+    leTopBottom->setText(RS_SETTINGS->readEntry("/BorderTopBottom", "5"));
+    if (RS_SETTINGS->readEntry("/BorderSameSize", "1")=="1") {
+        cbSameBorders->setChecked(true);
+        sameBordersChanged();
+    }
+    RS_SETTINGS->endGroup();
+
+    updateEnabled = true;
+}
+
+void QG_ImageOptionsDialog::setGraphicSize(const RS_Vector& s) {
+    graphicSize = s;
+    if(!useResolution){
+        sizeChanged();
+    }
+    else {
+        resolutionChanged();
+    }
+}
+
+void QG_ImageOptionsDialog::ok() {
+    RS_SETTINGS->beginGroup("/Export");
+    RS_SETTINGS->writeEntry("/UseResolution", (int)useResolution);
+    RS_SETTINGS->writeEntry("/Resolution", cbResolution->currentText());
+    RS_SETTINGS->writeEntry("/Width", leWidth->text());
+    RS_SETTINGS->writeEntry("/Height", leHeight->text());
+    RS_SETTINGS->writeEntry("/BorderLeftRight", leLeftRight->text());
+    RS_SETTINGS->writeEntry("/BorderTopBottom", leTopBottom->text());
+    RS_SETTINGS->writeEntry("/BorderSameSize", (int)cbSameBorders->isChecked());
+    RS_SETTINGS->writeEntry("/BlackBackground", (int)rbBlack->isChecked());
+    RS_SETTINGS->writeEntry("/BlackWhite", (int)rbBlackWhite->isChecked());
+    RS_SETTINGS->endGroup();
+
+    accept();
+}
+
+void QG_ImageOptionsDialog::sameBordersChanged() {
+    if(cbSameBorders->isChecked()) {
+        leTopBottom->setText(leLeftRight->text());
+        leTopBottom->setDisabled(true);
+    }
+    else {
+        leTopBottom->setEnabled(true);
+    }
+}
+
+void QG_ImageOptionsDialog::borderChanged() {
+    if(cbSameBorders->isChecked()) {
+        leTopBottom->setText(leLeftRight->text());
+    }
+}
+
+void QG_ImageOptionsDialog::sizeChanged() {
+    if (updateEnabled) {
+		updateEnabled = false;
+        useResolution = false;
+		cbResolution->setCurrentIndex(cbResolution->findText("auto"));
+		updateEnabled = true;
+    }
+}
+
+void  QG_ImageOptionsDialog::resolutionChanged() {
+    if (updateEnabled) {
+		updateEnabled = false;
+		bool ok = false;
+		double res = RS_Math::eval(cbResolution->currentText(), &ok);
+		if (!ok) {
+			res = 1.0;
+		}
+		int w = RS_Math::round(res * graphicSize.x);
+		int h = RS_Math::round(res * graphicSize.y);
+        useResolution = true;
+		leWidth->setText(QString("%1").arg(w));
+		leHeight->setText(QString("%1").arg(h));
+		updateEnabled = true;
+    }
+}
+
+QSize QG_ImageOptionsDialog::getSize() {
+    return QSize(RS_Math::round(RS_Math::eval(leWidth->text())),
+                    RS_Math::round(RS_Math::eval(leHeight->text())));
+}
+
+QSize QG_ImageOptionsDialog::getBorders() {
+    return QSize(RS_Math::round(RS_Math::eval(leLeftRight->text())),
+                   RS_Math::round(RS_Math::eval(leTopBottom->text())));
+}
+
+bool QG_ImageOptionsDialog::isBackgroundBlack() {
+    return rbBlack->isChecked();
+}
+
+bool QG_ImageOptionsDialog::isBlackWhite() {
+    return rbBlackWhite->isChecked();
+}