1 /****************************************************************************
2 **
3 ** This file is part of the LibreCAD project, a 2D CAD program
4 **
5 ** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
6 ** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
7 **
8 **
9 ** This file may be distributed and/or modified under the terms of the
10 ** GNU General Public License version 2 as published by the Free Software
11 ** Foundation and appearing in the file gpl-2.0.txt included in the
12 ** packaging of this file.
13 **
14 ** This program is distributed in the hope that it will be useful,
15 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
16 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 ** GNU General Public License for more details.
18 **
19 ** You should have received a copy of the GNU General Public License
20 ** along with this program; if not, write to the Free Software
21 ** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
22 **
23 ** This copyright notice MUST APPEAR in all copies of the script!
24 **
25 **********************************************************************/
26 #include "qg_dlghatch.h"
27 
28 #include "rs_settings.h"
29 #include "rs_line.h"
30 #include "rs_hatch.h"
31 #include "rs_patternlist.h"
32 #include "rs_pattern.h"
33 #include "rs_math.h"
34 #include "rs_math.h"
35 
36 /*
37  *  Constructs a QG_DlgHatch as a child of 'parent', with the
38  *  name 'name' and widget flags set to 'f'.
39  *
40  *  The dialog will by default be modeless, unless you set 'modal' to
41  *  true to construct a modal dialog.
42  */
QG_DlgHatch(QWidget * parent,bool modal,Qt::WindowFlags fl)43 QG_DlgHatch::QG_DlgHatch(QWidget* parent, bool modal, Qt::WindowFlags fl)
44     : QDialog(parent, fl)
45 {
46     setModal(modal);
47     setupUi(this);
48 
49     init();
50 }
51 
52 
53 /*
54  *  Sets the strings of the subwidgets using the current
55  *  language.
56  */
languageChange()57 void QG_DlgHatch::languageChange()
58 {
59     retranslateUi(this);
60 }
61 
init()62 void QG_DlgHatch::init() {
63 	pattern=nullptr;
64 	hatch = nullptr;
65     isNew = false;
66 
67     preview = new RS_EntityContainer();
68     gvPreview->setContainer(preview);
69     gvPreview->setBorders(15,15,15,15);
70     gvPreview->addScrollbars();
71 
72     cbPattern->init();
73 
74 }
75 
polish()76 void QG_DlgHatch::polish() {
77     QDialog::ensurePolished();
78     gvPreview->zoomAuto();
79 }
80 
showEvent(QShowEvent * e)81 void QG_DlgHatch::showEvent ( QShowEvent * e) {
82     QDialog::showEvent(e);
83     gvPreview->zoomAuto();
84 }
85 
~QG_DlgHatch()86 QG_DlgHatch::~QG_DlgHatch()
87 {
88     delete preview;
89 }
90 
setHatch(RS_Hatch & h,bool isNew)91 void QG_DlgHatch::setHatch(RS_Hatch& h, bool isNew) {
92     hatch = &h;
93     this->isNew = isNew;
94 
95     RS_SETTINGS->beginGroup("/Draw");
96     QString enablePrev = RS_SETTINGS->readEntry("/HatchPreview", "0");
97     RS_SETTINGS->endGroup();
98 
99     cbEnablePreview->setChecked(enablePrev=="1");
100 
101     // read defaults from config file:
102     if (isNew) {
103         RS_SETTINGS->beginGroup("/Draw");
104         QString solid = RS_SETTINGS->readEntry("/HatchSolid", "0");
105         QString pat = RS_SETTINGS->readEntry("/HatchPattern", "ANSI31");
106         QString scale = RS_SETTINGS->readEntry("/HatchScale", "1.0");
107         QString angle = RS_SETTINGS->readEntry("/HatchAngle", "0.0");
108         RS_SETTINGS->endGroup();
109 
110         cbSolid->setChecked(solid=="1");
111         setPattern(pat);
112         leScale->setText(scale);
113         leAngle->setText(angle);
114     }
115     // initialize dialog based on given hatch:
116     else {
117         cbSolid->setChecked(hatch->isSolid());
118         setPattern(hatch->getPattern());
119         QString s;
120         s.setNum(hatch->getScale());
121         leScale->setText(s);
122         s.setNum(RS_Math::rad2deg(hatch->getAngle()));
123         leAngle->setText(s);
124     }
125 }
126 
updateHatch()127 void QG_DlgHatch::updateHatch() {
128     if (hatch) {
129         hatch->setSolid(cbSolid->isChecked());
130         hatch->setPattern(cbPattern->currentText());
131         hatch->setScale(RS_Math::eval(leScale->text()));
132         hatch->setAngle(RS_Math::deg2rad(RS_Math::eval(leAngle->text())));
133     }
134 }
135 
setPattern(const QString & p)136 void QG_DlgHatch::setPattern(const QString& p) {
137     if (!RS_PATTERNLIST->contains(p)) {
138         cbPattern->addItem(p);
139     }
140     cbPattern->setCurrentIndex( cbPattern->findText(p) );
141     pattern = cbPattern->getPattern();
142 }
143 
resizeEvent(QResizeEvent *)144 void QG_DlgHatch::resizeEvent ( QResizeEvent * ) {
145 	updatePreview();
146 }
147 
updatePreview()148 void QG_DlgHatch::updatePreview() {
149 	if (preview==nullptr) {
150         return;
151     }
152 	if (hatch==nullptr || !cbEnablePreview->isChecked()) {
153         preview->clear();
154         gvPreview->zoomAuto();
155         return;
156     }
157 	pattern = cbPattern->getPattern();
158 	if (pattern->countDeep()==0)
159 		return;
160 
161     QString patName = cbPattern->currentText();
162     bool isSolid = cbSolid->isChecked();
163     double scale = RS_Math::eval(leScale->text(), 1.0);
164     double angle = RS_Math::deg2rad(RS_Math::eval(leAngle->text(), 0.0));
165 	double prevSize = 100.0;
166     if (pattern) {
167         pattern->calculateBorders();
168 		prevSize = std::max(prevSize, pattern->getSize().magnitude());
169 	}
170 
171     preview->clear();
172 
173     RS_Hatch* prevHatch = new RS_Hatch(preview,
174                                        RS_HatchData(isSolid, scale, angle, patName));
175     prevHatch->setPen(hatch->getPen());
176 
177     RS_EntityContainer* loop = new RS_EntityContainer(prevHatch);
178     loop->setPen(RS_Pen(RS2::FlagInvalid));
179 	loop->addRectangle({0., 0.}, {prevSize,prevSize});
180     prevHatch->addEntity(loop);
181     preview->addEntity(prevHatch);
182     if (!isSolid) {
183         prevHatch->update();
184     }
185 
186     gvPreview->zoomAuto();
187 }
188 
saveSettings()189 void QG_DlgHatch::saveSettings()
190 {
191     if (isNew)
192     {
193         RS_SETTINGS->beginGroup("/Draw");
194         RS_SETTINGS->writeEntry("/HatchSolid", cbSolid->isChecked());
195         RS_SETTINGS->writeEntry("/HatchPattern", cbPattern->currentText());
196         RS_SETTINGS->writeEntry("/HatchScale", leScale->text());
197         RS_SETTINGS->writeEntry("/HatchAngle", leAngle->text());
198         RS_SETTINGS->writeEntry("/HatchPreview", cbEnablePreview->isChecked());
199         RS_SETTINGS->endGroup();
200     }
201 }
202