1 /*
2 For general Scribus (>=1.3.2) copyright and licensing information please refer
3 to the COPYING file provided with the program. Following this notice may exist
4 a copyright and/or license notice that predates the release of Scribus 1.3.2
5 for which a new license (GPL+exception) is in place.
6 */
7 /***************************************************************************
8 * Copyright (C) 2007 by Franz Schmid *
9 * franz.schmid@altmuehlnet.de *
10 * *
11 * This program is free software; you can redistribute it and/or modify *
12 * it under the terms of the GNU General Public License as published by *
13 * the Free Software Foundation; either version 2 of the License, or *
14 * (at your option) any later version. *
15 * *
16 * This program is distributed in the hope that it will be useful, *
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
19 * GNU General Public License for more details. *
20 * *
21 * You should have received a copy of the GNU General Public License *
22 * along with this program; if not, write to the *
23 * Free Software Foundation, Inc., *
24 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
25 ****************************************************************************/
26
27 #include "pathcut.h"
28 #include "scribuscore.h"
29 #include "scribusdoc.h"
30 #include "appmodes.h"
31 #include "selection.h"
32 #include "ui/scmessagebox.h"
33 #include "util.h"
34 #include "iconmanager.h"
35 #include <QPainterPathStroker>
36 #include <QMessageBox>
37
pathcut_getPluginAPIVersion()38 int pathcut_getPluginAPIVersion()
39 {
40 return PLUGIN_API_VERSION;
41 }
42
pathcut_getPlugin()43 ScPlugin* pathcut_getPlugin()
44 {
45 PathCutPlugin* plug = new PathCutPlugin();
46 Q_CHECK_PTR(plug);
47 return plug;
48 }
49
pathcut_freePlugin(ScPlugin * plugin)50 void pathcut_freePlugin(ScPlugin* plugin)
51 {
52 PathCutPlugin* plug = qobject_cast<PathCutPlugin*>(plugin);
53 Q_ASSERT(plug);
54 delete plug;
55 }
56
PathCutPlugin()57 PathCutPlugin::PathCutPlugin()
58 {
59 // Set action info in languageChange, so we only have to do
60 // it in one place.
61 languageChange();
62 }
63
~PathCutPlugin()64 PathCutPlugin::~PathCutPlugin() {};
65
languageChange()66 void PathCutPlugin::languageChange()
67 {
68 // Note that we leave the unused members unset. They'll be initialised
69 // with their default ctors during construction.
70 // Action name
71 m_actionInfo.name = "PathCutter";
72 // Action text for menu, including accel
73 m_actionInfo.text = tr("Cut Polygon");
74 m_actionInfo.helpText = tr("Cuts a Polygon with a Path.");
75 // Menu
76 m_actionInfo.iconPath1 = "22/transform-crop-and-resize.png";
77 m_actionInfo.iconPath2 = "22/transform-crop-and-resize.png";
78 m_actionInfo.menu = "ItemPathOps";
79 m_actionInfo.parentMenu = "Item";
80 m_actionInfo.subMenuName = tr("Path Tools");
81 m_actionInfo.enabledOnStartup = false;
82 m_actionInfo.notSuitableFor.append(PageItem::Line);
83 m_actionInfo.notSuitableFor.append(PageItem::TextFrame);
84 m_actionInfo.notSuitableFor.append(PageItem::ImageFrame);
85 m_actionInfo.notSuitableFor.append(PageItem::PathText);
86 m_actionInfo.notSuitableFor.append(PageItem::LatexFrame);
87 m_actionInfo.notSuitableFor.append(PageItem::Symbol);
88 m_actionInfo.notSuitableFor.append(PageItem::RegularPolygon);
89 m_actionInfo.notSuitableFor.append(PageItem::Arc);
90 m_actionInfo.notSuitableFor.append(PageItem::Spiral);
91 m_actionInfo.forAppMode.append(modeNormal);
92 m_actionInfo.needsNumObjects = 2;
93 m_actionInfo.firstObjectType.append(PageItem::PolyLine);
94 m_actionInfo.secondObjectType.append(PageItem::Polygon);
95 }
96
fullTrName() const97 QString PathCutPlugin::fullTrName() const
98 {
99 return QObject::tr("PathCutter");
100 }
101
getAboutData() const102 const ScActionPlugin::AboutData* PathCutPlugin::getAboutData() const
103 {
104 AboutData* about = new AboutData;
105 Q_CHECK_PTR(about);
106 about->authors = QString::fromUtf8("Franz Schmid <Franz.Schmid@altmuehlnet.de>");
107 about->shortDescription = tr("Cuts a Polygon by a Polyline");
108 about->description = tr("Cuts a Polygon by a Polyline");
109 // about->version
110 // about->releaseDate
111 // about->copyright
112 about->license = "GPL";
113 return about;
114 }
115
deleteAboutData(const AboutData * about) const116 void PathCutPlugin::deleteAboutData(const AboutData* about) const
117 {
118 Q_ASSERT(about);
119 delete about;
120 }
121
run(ScribusDoc * doc,const QString &)122 bool PathCutPlugin::run(ScribusDoc* doc, const QString&)
123 {
124 ScribusDoc* currDoc = doc;
125 if (currDoc == nullptr)
126 currDoc = ScCore->primaryMainWindow()->doc;
127 if (currDoc->m_Selection->count() > 1)
128 {
129 PageItem *Item1 = currDoc->m_Selection->itemAt(0);
130 PageItem *Item2 = currDoc->m_Selection->itemAt(1);
131 if (Item1->itemType() != PageItem::PolyLine)
132 {
133 Item1 = currDoc->m_Selection->itemAt(1);
134 Item2 = currDoc->m_Selection->itemAt(0);
135 }
136 FPointArray path = Item1->PoLine;
137 QPainterPathStroker stroke;
138 stroke.setWidth(Item1->lineWidth());
139 QPainterPath cutter = stroke.createStroke(path.toQPainterPath(false));
140 QTransform ms;
141 ms.translate(Item1->xPos() - Item2->xPos(), Item1->yPos() - Item2->yPos());
142 ms.rotate(Item1->rotation());
143 cutter = ms.map(cutter);
144 path.map(ms);
145 FPoint start = path.point(0);
146 FPoint end = path.point(path.size()-2);
147 QTransform mm;
148 mm.rotate(Item2->rotation());
149 QPainterPath objekt = mm.map(Item2->PoLine.toQPainterPath(true));
150 if ((objekt.contains(QPointF(start.x(), start.y()))) || (objekt.contains(QPointF(end.x(), end.y()))))
151 {
152 ScMessageBox::information(doc->scMW(), tr("Error"), tr("The cutting line must cross the polygon and\nboth end points must lie outside of the polygon"));
153 return true;
154 }
155 QPainterPath result = objekt.subtracted(cutter);
156 FPointArray points;
157 points.fromQPainterPath(result);
158 Item2->PoLine = points;
159 Item2->ClipEdited = true;
160 Item2->FrameType = 3;
161 currDoc->adjustItemSize(Item2);
162 Item2->OldB2 = Item2->width();
163 Item2->OldH2 = Item2->height();
164 Item2->updateClip();
165 Item2->ContourLine = Item2->PoLine.copy();
166 // currDoc->m_Selection->clear();
167 // currDoc->m_Selection->addItem(Item1);
168 // currDoc->itemSelection_DeleteItem();
169 currDoc->m_Selection->clear();
170 currDoc->m_Selection->addItem(Item2);
171 currDoc->itemSelection_SplitItems();
172 currDoc->changed();
173 }
174 return true;
175 }
176