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/*
For general Scribus (>=1.3.2) copyright and licensing information please refer
to the COPYING file provided with the program. Following this notice may exist
a copyright and/or license notice that predates the release of Scribus 1.3.2
for which a new license (GPL+exception) is in place.
*/
/***************************************************************************
* Copyright (C) 2007 by Franz Schmid *
* franz.schmid@altmuehlnet.de *
* *
* 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 2 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, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
****************************************************************************/
#include "pathcut.h"
#include "scribuscore.h"
#include "scribusstructs.h"
#include "util.h"
#include "util_icon.h"
#include <QPainterPathStroker>
#include <QMessageBox>
int pathcut_getPluginAPIVersion()
{
return PLUGIN_API_VERSION;
}
ScPlugin* pathcut_getPlugin()
{
PathCutPlugin* plug = new PathCutPlugin();
Q_CHECK_PTR(plug);
return plug;
}
void pathcut_freePlugin(ScPlugin* plugin)
{
PathCutPlugin* plug = dynamic_cast<PathCutPlugin*>(plugin);
Q_ASSERT(plug);
delete plug;
}
PathCutPlugin::PathCutPlugin() : ScActionPlugin()
{
// Set action info in languageChange, so we only have to do
// it in one place.
languageChange();
}
PathCutPlugin::~PathCutPlugin() {};
void PathCutPlugin::languageChange()
{
// Note that we leave the unused members unset. They'll be initialised
// with their default ctors during construction.
// Action name
m_actionInfo.name = "PathCutter";
// Action text for menu, including accel
m_actionInfo.text = tr("Cut Polygon");
// Menu
m_actionInfo.icon1 = loadIcon("transform-crop-and-resize.png");
m_actionInfo.icon2 = loadIcon("transform-crop-and-resize.png");
m_actionInfo.menu = "ItemPathOps";
m_actionInfo.parentMenu = "Item";
m_actionInfo.subMenuName = tr("Path Tools");
m_actionInfo.enabledOnStartup = false;
m_actionInfo.notSuitableFor.append(PageItem::Line);
m_actionInfo.notSuitableFor.append(PageItem::TextFrame);
m_actionInfo.notSuitableFor.append(PageItem::ImageFrame);
m_actionInfo.notSuitableFor.append(PageItem::PathText);
m_actionInfo.notSuitableFor.append(PageItem::LatexFrame);
m_actionInfo.forAppMode.append(modeNormal);
m_actionInfo.needsNumObjects = 2;
m_actionInfo.firstObjectType.append(PageItem::PolyLine);
m_actionInfo.secondObjectType.append(PageItem::Polygon);
}
const QString PathCutPlugin::fullTrName() const
{
return QObject::tr("PathCutter");
}
const ScActionPlugin::AboutData* PathCutPlugin::getAboutData() const
{
AboutData* about = new AboutData;
Q_CHECK_PTR(about);
about->authors = QString::fromUtf8("Franz Schmid <Franz.Schmid@altmuehlnet.de>");
about->shortDescription = tr("Cuts a Polygon by a Polyline");
about->description = tr("Cuts a Polygon by a Polyline");
// about->version
// about->releaseDate
// about->copyright
about->license = "GPL";
return about;
}
void PathCutPlugin::deleteAboutData(const AboutData* about) const
{
Q_ASSERT(about);
delete about;
}
bool PathCutPlugin::run(ScribusDoc* doc, QString)
{
QString vers = QString(qVersion()).left(5);
if (vers < "4.3.3")
{
QMessageBox::information(doc->scMW(), tr("Qt Version too old"), tr("This plugin requires at least version 4.3.3 of the Qt library"));
return true;
}
ScribusDoc* currDoc = doc;
if (currDoc == 0)
currDoc = ScCore->primaryMainWindow()->doc;
if (currDoc->m_Selection->count() > 1)
{
PageItem *Item1 = currDoc->m_Selection->itemAt(0);
PageItem *Item2 = currDoc->m_Selection->itemAt(1);
if (Item1->itemType() != PageItem::PolyLine)
{
Item1 = currDoc->m_Selection->itemAt(1);
Item2 = currDoc->m_Selection->itemAt(0);
}
FPointArray path = Item1->PoLine;
QPainterPathStroker stroke;
stroke.setWidth(Item1->lineWidth());
QPainterPath cutter = stroke.createStroke(path.toQPainterPath(false));
QMatrix ms;
ms.translate(Item1->xPos() - Item2->xPos(), Item1->yPos() - Item2->yPos());
ms.rotate(Item1->rotation());
cutter = ms.map(cutter);
path.map(ms);
FPoint start = path.point(0);
FPoint end = path.point(path.size()-2);
QMatrix mm;
mm.rotate(Item2->rotation());
QPainterPath objekt = mm.map(Item2->PoLine.toQPainterPath(true));
if ((objekt.contains(QPointF(start.x(), start.y()))) || (objekt.contains(QPointF(end.x(), end.y()))))
{
QMessageBox::information(doc->scMW(), tr("Error"), tr("The cutting line must cross the polygon and\nboth end points must lie outside of the polygon"));
return true;
}
QPainterPath result = objekt.subtracted(cutter);
FPointArray points;
points.fromQPainterPath(result);
Item2->PoLine = points;
Item2->Frame = false;
Item2->ClipEdited = true;
Item2->FrameType = 3;
currDoc->AdjustItemSize(Item2);
Item2->OldB2 = Item2->width();
Item2->OldH2 = Item2->height();
Item2->updateClip();
Item2->ContourLine = Item2->PoLine.copy();
currDoc->m_Selection->clear();
currDoc->m_Selection->addItem(Item1);
currDoc->itemSelection_DeleteItem();
currDoc->m_Selection->clear();
currDoc->m_Selection->addItem(Item2);
currDoc->itemSelection_SplitItems();
currDoc->changed();
}
return true;
}
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