Plugin Collections for file, type and postprocessor plugins

git-svn-id: http://www.openflipper.org/svnrepo/OpenFlipper/branches/Free@15803 383ad7c9-94d9-4d36-a494-682f7c89f535

CMakeLists.txt

+include (plugin)
+openflipper_plugin ()

FileHeightFieldImage.cc

+/*===========================================================================*\
+*                                                                            *
+*                              OpenFlipper                                   *
+*      Copyright (C) 2001-2011 by Computer Graphics Group, RWTH Aachen       *
+*                           www.openflipper.org                              *
+*                                                                            *
+*--------------------------------------------------------------------------- *
+*  This file is part of OpenFlipper.                                         *
+*                                                                            *
+*  OpenFlipper is free software: you can redistribute it and/or modify       *
+*  it under the terms of the GNU Lesser General Public License as            *
+*  published by the Free Software Foundation, either version 3 of            *
+*  the License, or (at your option) any later version with the               *
+*  following exceptions:                                                     *
+*                                                                            *
+*  If other files instantiate templates or use macros                        *
+*  or inline functions from this file, or you compile this file and          *
+*  link it with other files to produce an executable, this file does         *
+*  not by itself cause the resulting executable to be covered by the         *
+*  GNU Lesser General Public License. This exception does not however        *
+*  invalidate any other reasons why the executable file might be             *
+*  covered by the GNU Lesser General Public License.                         *
+*                                                                            *
+*  OpenFlipper 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 Lesser General Public License for more details.                       *
+*                                                                            *
+*  You should have received a copy of the GNU LesserGeneral Public           *
+*  License along with OpenFlipper. If not,                                   *
+*  see <http://www.gnu.org/licenses/>.                                       *
+*                                                                            *
+\*===========================================================================*/
+
+/*===========================================================================*\
+*                                                                            *
+*   $Revision$                                                       *
+*   $LastChangedBy$                                                *
+*   $Date$                     *
+*                                                                            *
+\*===========================================================================*/
+
+
+#include <QtGui>
+#include <QFileInfo>
+#include <QSettings>
+
+#include "FileHeightFieldImage.hh"
+#include "ImageDialog.hh"
+
+#include "OpenFlipper/BasePlugin/PluginFunctions.hh"
+
+void FileHeightFieldPNGPlugin::initializePlugin() {
+}
+
+QString FileHeightFieldPNGPlugin::getLoadFilters() {
+  QList<QByteArray> imageFormats = QImageReader::supportedImageFormats();
+  QString formats;
+
+  if ( imageFormats.contains("jpeg")) {
+    formats += "*.jpeg *.jpg ";
+  }
+
+  if ( imageFormats.contains("tiff")) {
+    formats += "*.tiff ";
+  }
+
+  if ( imageFormats.contains("tif")) {
+    formats += "*.tif ";
+  }
+
+  if ( imageFormats.contains("png")) {
+    formats += "*.png";
+  }
+
+  return QString( tr("HeightField PNG files ( ")+ formats + ")" );
+};
+
+QString FileHeightFieldPNGPlugin::getSaveFilters() {
+  return QString( "" );
+};
+
+DataType  FileHeightFieldPNGPlugin::supportedType() {
+  DataType type = DATA_TRIANGLE_MESH;
+  return type;
+}
+
+
+
+int FileHeightFieldPNGPlugin::loadObject(QString _filename)
+{
+
+  QFile file(_filename);
+  if ( !file.exists() ) {
+    emit log(LOGERR,tr("Unable to load file: ") + _filename);
+    return -1;
+  }
+
+  QImage image(_filename);
+
+  // Prepare for taking specific regions from the file (defaults to full size)
+  int minX = 0;
+  int maxX = image.width();
+
+  int minY = 0;
+  int maxY = image.height();
+
+  // Try to calculate a reasonable height
+  double height = image.height() / 100;
+
+  if ( OpenFlipper::Options::gui() ) {
+    ImageDialog* imageDialog = new ImageDialog(image);
+    imageDialog->heightValue->setValue(height);
+
+    int result = imageDialog->exec();
+
+    if ( result == QDialog::Accepted) {
+      minX   = imageDialog->minX->value();
+      maxX   = imageDialog->maxX->value();
+      minY   = imageDialog->minY->value();
+      maxY   = imageDialog->maxY->value();
+      height = imageDialog->heightValue->value();
+    } else {
+      return -1;
+    }
+  }
+
+
+  int id = -1;
+  emit addEmptyObject( DATA_TRIANGLE_MESH, id );
+
+  TriMeshObject* object = 0;
+  if(PluginFunctions::getObject( id, object))
+  {
+    TriMesh* mesh = object->mesh();
+
+    if ( mesh ) {
+
+
+      // Load the data into the mesh.
+      loadImageAsTriangleMesh(image,mesh,minX ,maxX , minY ,maxY, height);
+
+      // Make sure everything is ready
+      object->update();
+
+      // Tell core about update
+      emit openedFile( id );
+
+      // Update viewport
+      PluginFunctions::viewAll();
+    }
+  }
+
+  return id;
+}
+
+void FileHeightFieldPNGPlugin::loadImageAsTriangleMesh(QImage& _image,TriMesh* _mesh,int _minX , int _maxX , int _minY , int _maxY, double _height) {
+
+  const int mWidth  = _maxY - _minY;
+  const int mHeigth = _maxX - _minX;
+
+  // Reserve to get reasonable memory usage
+  _mesh->reserve( mWidth*mHeigth, mWidth*mHeigth * 4, mWidth*mHeigth * 2  );
+
+  for ( int i = _minX ; i < _maxX ; ++i ) {
+    for ( int j = _minY ; j < _maxY ; ++j ) {
+      const QColor currentColor = _image.pixel(i,j);
+      double value = std::max(currentColor.redF(),currentColor.blueF());
+      value = std::max(currentColor.greenF(),value);
+      _mesh->add_vertex(TriMesh::Point(i,j,-value * _height));
+    }
+  }
+
+    // Triangulate
+    for ( int i = 0 ; i < mHeigth - 1 ; ++i ) {
+      const int upperStart = mWidth * i;
+      const int lowerStart = mWidth * (i + 1);
+
+      for ( int j = 0 ; j < mWidth -1 ; ++j ) {
+        std::vector<TriMesh::VertexHandle> handles;
+        handles.push_back( _mesh->vertex_handle(upperStart + j) );
+        handles.push_back( _mesh->vertex_handle(lowerStart + j + 1) );
+        handles.push_back( _mesh->vertex_handle(lowerStart + j) );
+
+
+        _mesh->add_face(handles);
+
+        handles.clear();
+
+        handles.push_back( _mesh->vertex_handle(upperStart + j) );
+        handles.push_back( _mesh->vertex_handle(upperStart + j + 1) );
+        handles.push_back( _mesh->vertex_handle(lowerStart + j + 1) );
+
+        _mesh->add_face(handles);
+      }
+    }
+
+  //Calculate some normals
+  _mesh->update_normals();
+}
+
+
+bool FileHeightFieldPNGPlugin::saveObject(int _id, QString _filename) {
+  return false;
+}
+
+
+Q_EXPORT_PLUGIN2( fileheightfieldPpngplugin , FileHeightFieldPNGPlugin );
+

FileHeightFieldImage.hh

+/*===========================================================================*\
+*                                                                            *
+*                              OpenFlipper                                   *
+*      Copyright (C) 2001-2011 by Computer Graphics Group, RWTH Aachen       *
+*                           www.openflipper.org                              *
+*                                                                            *
+*--------------------------------------------------------------------------- *
+*  This file is part of OpenFlipper.                                         *
+*                                                                            *
+*  OpenFlipper is free software: you can redistribute it and/or modify       *
+*  it under the terms of the GNU Lesser General Public License as            *
+*  published by the Free Software Foundation, either version 3 of            *
+*  the License, or (at your option) any later version with the               *
+*  following exceptions:                                                     *
+*                                                                            *
+*  If other files instantiate templates or use macros                        *
+*  or inline functions from this file, or you compile this file and          *
+*  link it with other files to produce an executable, this file does         *
+*  not by itself cause the resulting executable to be covered by the         *
+*  GNU Lesser General Public License. This exception does not however        *
+*  invalidate any other reasons why the executable file might be             *
+*  covered by the GNU Lesser General Public License.                         *
+*                                                                            *
+*  OpenFlipper 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 Lesser General Public License for more details.                       *
+*                                                                            *
+*  You should have received a copy of the GNU LesserGeneral Public           *
+*  License along with OpenFlipper. If not,                                   *
+*  see <http://www.gnu.org/licenses/>.                                       *
+*                                                                            *
+\*===========================================================================*/
+
+/*===========================================================================*\
+*                                                                            *
+*   $Revision$                                                       *
+*   $LastChangedBy$                                                *
+*   $Date$                     *
+*                                                                            *
+\*===========================================================================*/
+
+#include <QObject>
+
+#include <OpenFlipper/common/Types.hh>
+#include <OpenFlipper/BasePlugin/BaseInterface.hh>
+#include <OpenFlipper/BasePlugin/FileInterface.hh>
+#include <OpenFlipper/BasePlugin/LoadSaveInterface.hh>
+#include <OpenFlipper/BasePlugin/LoggingInterface.hh>
+#include <ObjectTypes/TriangleMesh/TriangleMesh.hh>
+
+class FileHeightFieldPNGPlugin : public QObject, BaseInterface, FileInterface, LoadSaveInterface, LoggingInterface
+{
+   Q_OBJECT
+   Q_INTERFACES(FileInterface)
+   Q_INTERFACES(LoadSaveInterface)
+   Q_INTERFACES(LoggingInterface)
+   Q_INTERFACES(BaseInterface)
+
+  signals:
+    void openedFile( int _id );
+    void addEmptyObject( DataType _type, int& _id);
+    void load(QString _filename, DataType _type, int& _id);
+    void save(int _id , QString _filename );
+    void log(Logtype _type, QString _message);
+    void log(QString _message);
+
+  private slots:
+
+    void fileOpened( int /*_id*/ ){};
+
+    void noguiSupported( ) {} ;
+
+    void initializePlugin();
+    
+  public :
+
+     ~FileHeightFieldPNGPlugin() {};
+
+     QString name() { return (QString("FileHeightFieldPNG")); };
+     QString description( ) { return (QString(tr("Load/Save a height field from an png image"))); };
+
+     DataType supportedType();
+
+     QString getSaveFilters();
+     QString getLoadFilters();
+
+     QWidget* saveOptionsWidget(QString /*_currentFilter*/) { return 0; };
+     QWidget* loadOptionsWidget(QString /*_currentFilter*/) { return 0; };
+
+  public slots:
+
+    int loadObject(QString _filename);
+
+    bool saveObject(int _id, QString _filename);
+
+    QString version() { return QString("1.0"); };
+
+  private:
+    void loadImageAsTriangleMesh(QImage& _image,TriMesh* _mesh,int _minX , int _maxX , int _minY , int _maxY, double _height);
+
+};
+

ImageDialog.cc

+/*===========================================================================*\
+*                                                                            *
+*                              OpenFlipper                                   *
+*      Copyright (C) 2001-2011 by Computer Graphics Group, RWTH Aachen       *
+*                           www.openflipper.org                              *
+*                                                                            *
+*--------------------------------------------------------------------------- *
+*  This file is part of OpenFlipper.                                         *
+*                                                                            *
+*  OpenFlipper is free software: you can redistribute it and/or modify       *
+*  it under the terms of the GNU Lesser General Public License as            *
+*  published by the Free Software Foundation, either version 3 of            *
+*  the License, or (at your option) any later version with the               *
+*  following exceptions:                                                     *
+*                                                                            *
+*  If other files instantiate templates or use macros                        *
+*  or inline functions from this file, or you compile this file and          *
+*  link it with other files to produce an executable, this file does         *
+*  not by itself cause the resulting executable to be covered by the         *
+*  GNU Lesser General Public License. This exception does not however        *
+*  invalidate any other reasons why the executable file might be             *
+*  covered by the GNU Lesser General Public License.                         *
+*                                                                            *
+*  OpenFlipper 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 Lesser General Public License for more details.                       *
+*                                                                            *
+*  You should have received a copy of the GNU LesserGeneral Public           *
+*  License along with OpenFlipper. If not,                                   *
+*  see <http://www.gnu.org/licenses/>.                                       *
+*                                                                            *
+\*===========================================================================*/
+
+/*===========================================================================*\
+*                                                                            *
+*   $Revision: 13581 $                                                       *
+*   $LastChangedBy: moebius $                                                *
+*   $Date: 2012-01-30 14:22:52 +0100 (Mo, 30 Jan 2012) $                     *
+*                                                                            *
+\*===========================================================================*/
+
+#include "ImageDialog.hh"
+#include <QtGui>
+#include <iostream>
+
+ImageDialog::ImageDialog(QImage _image, QWidget *parent) :
+        QDialog(parent),
+        imageWidth_(_image.width() ),
+        imageHeight_(_image.height() ),
+        dragging_(false)
+{
+  setupUi(this);
+
+  pixmap_ = QPixmap::fromImage(_image).scaled(QSize(400,400),Qt::KeepAspectRatio,Qt::SmoothTransformation);
+
+  image->setPixmap(pixmap_);
+
+  // Set the correct boundaries for the spinboxes
+  minX->setMaximum(imageWidth_);
+  maxX->setMaximum(imageWidth_);
+  maxX->setValue(imageWidth_);
+  minY->setMaximum(imageHeight_);
+  maxY->setMaximum(imageHeight_);
+  maxY->setValue(imageHeight_);
+
+  // Connect the spin boxes
+  connect(minX,SIGNAL(valueChanged(int )),this,SLOT(slidersChanged()));
+  connect(maxX,SIGNAL(valueChanged(int )),this,SLOT(slidersChanged()));
+  connect(minY,SIGNAL(valueChanged(int )),this,SLOT(slidersChanged()));
+  connect(maxY,SIGNAL(valueChanged(int )),this,SLOT(slidersChanged()));
+
+  connect(image,SIGNAL(mouseButtonMoveEvent ( QPoint ))   ,this,SLOT(mouseButtonMoveEvent ( QPoint )));
+  connect(image,SIGNAL(mouseButtonPressEvent ( QPoint ))  ,this,SLOT(mouseButtonPressEvent ( QPoint )));
+  connect(image,SIGNAL(mouseButtonReleaseEvent ( QPoint )),this,SLOT(mouseButtonReleaseEvent ( QPoint )));
+
+  setMouseTracking ( true);
+
+  grabMouse();
+
+}
+
+
+void ImageDialog::slidersChanged() {
+
+  // Copy to internal buffer
+  buffer_ = pixmap_;
+
+  QPainter painter( &buffer_);
+
+  QPen pen(Qt::red);
+
+  pen.setWidth(2);
+  painter.setPen( pen );
+
+  painter.setBrush(QBrush(Qt::red,Qt::NoBrush));
+
+  const int minXVal = minX->value();
+  const int maxXVal = maxX->value();
+  const int minYVal = minY->value();
+  const int maxYVal = maxY->value();
+
+  // Calculate the scaling factor that is used to fit the image to the widget
+  const double scale = (double)pixmap_.width() / (double)imageWidth_;
+
+  // Working on the actual pixmap -> no offsets!
+  painter.drawRect( minXVal * scale  , minYVal  * scale , (maxXVal-minXVal)  * scale, (maxYVal-minYVal)  * scale);
+
+  painter.end();
+
+  image->setPixmap(buffer_);
+}
+
+void ImageDialog::mouseButtonMoveEvent ( QPoint _p) {
+  if ( dragging_ ) {
+
+    // Calculate the right values for the position.
+    // The image is scaled to 400x400
+    // But the aspect ratio is kept. So we need to calculate the new sizes.
+
+
+
+    // Calculate the free space above and before the real image
+    // As we are working on the pixmap widget, we need to consider these offsets to calculate
+    // coordinates inside the real pixmap.
+    int xoffset = (400 - image->pixmap()->width() ) / 2;
+    int yoffset = (400 - image->pixmap()->height()) / 2;
+
+    // Calculate the scaling factor that is used to fit the image to the widget
+    const double scale = (double)imageWidth_ / (double)image->pixmap()->width();
+
+    int newXMin = (std::min(dragStartPoint_.x(),_p.x()) - xoffset ) * scale;
+    int newXMax = (std::max(dragStartPoint_.x(),_p.x()) - xoffset ) * scale;
+
+    int newYMin = (std::min(dragStartPoint_.y(),_p.y()) - yoffset ) * scale;
+    int newYMax = (std::max(dragStartPoint_.y(),_p.y()) - yoffset ) * scale;
+
+    minX->blockSignals(true);
+    maxX->blockSignals(true);
+    minY->blockSignals(true);
+    maxY->blockSignals(true);
+
+    minX->setValue(newXMin);
+    maxX->setValue(newXMax);
+    minY->setValue(newYMin);
+    maxY->setValue(newYMax);
+
+    minX->blockSignals(false);
+    maxX->blockSignals(false);
+    minY->blockSignals(false);
+    maxY->blockSignals(false);
+
+    slidersChanged();
+  }
+}
+
+void ImageDialog::mouseButtonPressEvent (  QPoint _p ) {
+  dragStartPoint_ = _p;
+  dragging_       = true;
+}
+
+void ImageDialog::mouseButtonReleaseEvent (  QPoint _p ) {
+  dragging_ = false;
+}
+
+
+
+
+

ImageDialog.hh

+/*===========================================================================*\
+*                                                                            *
+*                              OpenFlipper                                   *
+*      Copyright (C) 2001-2011 by Computer Graphics Group, RWTH Aachen       *
+*                           www.openflipper.org                              *
+*                                                                            *
+*--------------------------------------------------------------------------- *
+*  This file is part of OpenFlipper.                                         *
+*                                                                            *
+*  OpenFlipper is free software: you can redistribute it and/or modify       *
+*  it under the terms of the GNU Lesser General Public License as            *
+*  published by the Free Software Foundation, either version 3 of            *
+*  the License, or (at your option) any later version with the               *
+*  following exceptions:                                                     *
+*                                                                            *
+*  If other files instantiate templates or use macros                        *
+*  or inline functions from this file, or you compile this file and          *
+*  link it with other files to produce an executable, this file does         *
+*  not by itself cause the resulting executable to be covered by the         *
+*  GNU Lesser General Public License. This exception does not however        *
+*  invalidate any other reasons why the executable file might be             *
+*  covered by the GNU Lesser General Public License.                         *
+*                                                                            *
+*  OpenFlipper 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 Lesser General Public License for more details.                       *
+*                                                                            *
+*  You should have received a copy of the GNU LesserGeneral Public           *
+*  License along with OpenFlipper. If not,                                   *
+*  see <http://www.gnu.org/licenses/>.                                       *
+*                                                                            *
+\*===========================================================================*/
+
+/*===========================================================================*\
+*                                                                            *
+*   $Revision: 13581 $                                                       *
+*   $LastChangedBy: moebius $                                                *
+*   $Date: 2012-01-30 14:22:52 +0100 (Mo, 30 Jan 2012) $                     *
+*                                                                            *
+\*===========================================================================*/
+
+#include "ui_ImageDialog.hh"
+#include <QtGui>
+
+class ImageDialog : public QDialog, public Ui::ImageDialog
+{
+  Q_OBJECT
+
+  public:
+    ImageDialog(QImage _image, QWidget *parent = 0);
+
+  public slots:
+    void slidersChanged();
+
+
+  private slots:
+    void mouseButtonMoveEvent ( QPoint _p );
+    void mouseButtonPressEvent ( QPoint _p );
+    void mouseButtonReleaseEvent ( QPoint _p );
+
+  private:
+
+    int imageWidth_;
+    int imageHeight_;
+    QPixmap pixmap_;
+
+    QPixmap buffer_;
+
+    bool   dragging_;
+    QPoint dragStartPoint_;
+};
+

ImageDialog.ui

+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>ImageDialog</class>
+ <widget class="QDialog" name="ImageDialog">
+  <property name="windowModality">
+   <enum>Qt::ApplicationModal</enum>
+  </property>
+  <property name="enabled">
+   <bool>true</bool>
+  </property>
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>482</width>
+    <height>511</height>
+   </rect>
+  </property>
+  <property name="focusPolicy">
+   <enum>Qt::NoFocus</enum>
+  </property>
+  <property name="windowTitle">
+   <string>Dialog</string>
+  </property>
+  <property name="sizeGripEnabled">
+   <bool>false</bool>
+  </property>
+  <property name="modal">
+   <bool>false</bool>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout_4">
+   <item>
+    <layout class="QVBoxLayout" name="verticalLayout_3">
+     <item>
+      <layout class="QHBoxLayout" name="horizontalLayout">
+       <item>
+        <widget class="QClickableLabel" name="image">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="MinimumExpanding" vsizetype="Preferred">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
+         <property name="minimumSize">
+          <size>
+           <width>400</width>
+           <height>400</height>
+          </size>
+         </property>
+         <property name="maximumSize">
+          <size>
+           <width>400</width>
+           <height>400</height>
+          </size>
+         </property>
+         <property name="mouseTracking">
+          <bool>true</bool>
+         </property>
+         <property name="text">
+          <string>Image Placeholder</string>
+         </property>
+         <property name="alignment">
+          <set>Qt::AlignCenter</set>
+         </property>