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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) 2008 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 "pathconnect.h"
#include "pathconnectdialog.h"
int pathconnect_getPluginAPIVersion()
{
return PLUGIN_API_VERSION;
}
ScPlugin* pathconnect_getPlugin()
{
PathConnectPlugin* plug = new PathConnectPlugin();
Q_CHECK_PTR(plug);
return plug;
}
void pathconnect_freePlugin(ScPlugin* plugin)
{
PathConnectPlugin* plug = dynamic_cast<PathConnectPlugin*>(plugin);
Q_ASSERT(plug);
delete plug;
}
PathConnectPlugin::PathConnectPlugin() : ScActionPlugin()
{
// Set action info in languageChange, so we only have to do
// it in one place.
languageChange();
}
PathConnectPlugin::~PathConnectPlugin() {};
void PathConnectPlugin::languageChange()
{
// Note that we leave the unused members unset. They'll be initialised
// with their default ctors during construction.
// Action name
m_actionInfo.name = "PathConnect";
// Action text for menu, including accel
m_actionInfo.text = tr("Connect Paths");
// Menu
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::Polygon);
m_actionInfo.notSuitableFor.append(PageItem::PathText);
m_actionInfo.notSuitableFor.append(PageItem::LatexFrame);
m_actionInfo.needsNumObjects = 2;
}
const QString PathConnectPlugin::fullTrName() const
{
return QObject::tr("PathConnect");
}
const ScActionPlugin::AboutData* PathConnectPlugin::getAboutData() const
{
AboutData* about = new AboutData;
Q_CHECK_PTR(about);
about->authors = QString::fromUtf8("Franz Schmid <Franz.Schmid@altmuehlnet.de>");
about->shortDescription = tr("Connect Paths");
about->description = tr("Connect 2 Polylines.");
// about->version
// about->releaseDate
// about->copyright
about->license = "GPL";
return about;
}
void PathConnectPlugin::deleteAboutData(const AboutData* about) const
{
Q_ASSERT(about);
delete about;
}
bool PathConnectPlugin::run(ScribusDoc* doc, QString)
{
currDoc = doc;
firstUpdate = true;
if (currDoc == 0)
currDoc = ScCore->primaryMainWindow()->doc;
if (currDoc->m_Selection->count() > 1)
{
Item1 = currDoc->m_Selection->itemAt(0);
Item2 = currDoc->m_Selection->itemAt(1);
originalPath1 = Item1->PoLine.copy();
originalPath2 = Item2->PoLine.copy();
originalXPos = Item1->xPos();
originalYPos = Item1->yPos();
PathConnectDialog *dia = new PathConnectDialog(currDoc->scMW());
connect(dia, SIGNAL(updateValues(int, int, int, int)), this, SLOT(updateEffect(int, int, int, int)));
if (dia->exec())
{
int pointOne = dia->getFirstLinePoint();
int pointTwo = dia->getSecondLinePoint();
int mode = dia->getMode();
Item1->PoLine = computePath(pointOne, pointTwo, mode, originalPath1, originalPath2);
Item1->Frame = false;
Item1->ClipEdited = true;
Item1->FrameType = 3;
currDoc->AdjustItemSize(Item1);
Item1->OldB2 = Item1->width();
Item1->OldH2 = Item1->height();
Item1->updateClip();
Item1->ContourLine = Item1->PoLine.copy();
currDoc->m_Selection->removeItem(Item1);
currDoc->itemSelection_DeleteItem();
currDoc->changed();
}
else
{
Item1->PoLine = originalPath1.copy();
Item1->Frame = false;
Item1->ClipEdited = true;
Item1->FrameType = 3;
Item1->setXYPos(originalXPos, originalYPos);
currDoc->AdjustItemSize(Item1);
Item1->OldB2 = Item1->width();
Item1->OldH2 = Item1->height();
Item1->updateClip();
Item1->ContourLine = Item1->PoLine.copy();
}
currDoc->view()->DrawNew();
delete dia;
}
return true;
}
void PathConnectPlugin::updateEffect(int effectType, int pointOne, int pointTwo, int mode)
{
if (effectType == -1)
{
Item1->PoLine = originalPath1.copy();
Item1->Frame = false;
Item1->ClipEdited = true;
Item1->FrameType = 3;
Item1->setXYPos(originalXPos, originalYPos);
firstUpdate = true;
}
else
{
Item1->setXYPos(originalXPos, originalYPos);
Item1->PoLine = computePath(pointOne, pointTwo, mode, originalPath1, originalPath2);
Item1->Frame = false;
Item1->ClipEdited = true;
Item1->FrameType = 3;
}
currDoc->AdjustItemSize(Item1);
Item1->OldB2 = Item1->width();
Item1->OldH2 = Item1->height();
Item1->updateClip();
if (firstUpdate)
currDoc->view()->DrawNew();
else
{
QRectF oldR(Item1->getBoundingRect());
QRectF newR(Item2->getBoundingRect());
currDoc->regionsChanged()->update(newR.unite(oldR));
}
if (effectType != -1)
firstUpdate = false;
}
FPointArray PathConnectPlugin::computePath(int pointOne, int pointTwo, int mode, FPointArray &p1, FPointArray &p2)
{
FPointArray result;
FPointArray path1 = p1.copy();
FPointArray path2 = p2.copy();
QMatrix ma;
ma.translate(Item2->xPos(), Item2->yPos());
ma.rotate(Item2->rotation());
path2.map(ma);
QMatrix ma2;
ma2.translate(originalXPos, originalYPos);
ma2.rotate(Item1->rotation());
ma2 = ma2.inverted();
path2.map(ma2);
FPoint startL1 = path1.point(0);
FPoint startL2 = path2.point(0);
FPoint endL1 = path1.point(path1.size() - 2);
FPoint endL2 = path2.point(path2.size() - 2);
if (pointOne == 0)
{
if (pointTwo == 0)
{
path2 = reversePath(path2);
if (mode == 0)
path2.addQuadPoint(startL2, startL2, startL1, startL1);
else
{
FPoint midP = (startL2 + startL1) * 0.5;
FPoint corr1 = path1.point(1) + (midP - startL1);
FPoint corr2 = path2.point(path2.size() - 1) + (midP - startL2);
path1.setPoint(1, corr1);
path2.setPoint(path2.size() - 1, corr2);
path2.setPoint(path2.size() - 2, midP);
path1.setPoint(0, midP);
}
path2.putPoints(path2.size(), path1.size(), path1);
result = path2.copy();
}
else if (pointTwo == 1)
{
if (mode == 0)
path2.addQuadPoint(endL2, endL2, startL1, startL1);
else
{
FPoint midP = (startL1 + endL2) * 0.5;
FPoint corr1 = path1.point(1) + (midP - startL1);
FPoint corr2 = path2.point(path2.size() - 1) + (midP - endL2);
path1.setPoint(1, corr1);
path2.setPoint(path2.size() - 1, corr2);
path2.setPoint(path2.size() - 2, midP);
path1.setPoint(0, midP);
}
path2.putPoints(path2.size(), path1.size(), path1);
result = path2.copy();
}
}
else if (pointOne == 1)
{
if (pointTwo == 0)
{
if (mode == 0)
path1.addQuadPoint(endL1, endL1, startL2, startL2);
else
{
FPoint midP = (startL2 + endL1) * 0.5;
FPoint corr1 = path1.point(path1.size() - 1) + (midP - endL1);
FPoint corr2 = path2.point(1) + (midP - startL2);
path1.setPoint(path1.size() - 1, corr1);
path2.setPoint(1, corr2);
path1.setPoint(path1.size() - 2, midP);
path2.setPoint(0, midP);
}
path1.putPoints(path1.size(), path2.size(), path2);
result = path1.copy();
}
else if (pointTwo == 1)
{
path2 = reversePath(path2);
if (mode == 0)
path1.addQuadPoint(endL1, endL1, endL2, endL2);
else
{
FPoint midP = (endL2 + endL1) * 0.5;
FPoint corr1 = path1.point(path1.size() - 1) + (midP - endL1);
FPoint corr2 = path2.point(1) + (midP - endL2);
path1.setPoint(path1.size() - 1, corr1);
path2.setPoint(1, corr2);
path1.setPoint(path1.size() - 2, midP);
path2.setPoint(0, midP);
}
path1.putPoints(path1.size(), path2.size(), path2);
result = path1.copy();
}
}
return result;
}
FPointArray PathConnectPlugin::reversePath(FPointArray &path)
{
FPointArray result;
for (int a = path.size()-4; a > -1; a -= 4)
{
FPoint p1 = path.point(a);
FPoint p2 = path.point(a+1);
FPoint p3 = path.point(a+2);
FPoint p4 = path.point(a+3);
result.addQuadPoint(p3, p4, p1, p2);
}
return result;
}
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