changelog.docu

/*! \page changelog Changelog
 *
 * - <b>OpenFlipper 1.0 (  ? , 10318 )</b>
 *      - <b>ACG</b>
 *          - GLState
 *              - Enable or disable Mipmapping
 *              - Moved depth_func_ from BaseNode to GL_State
 *              - Pass Scene boundingbox through glstate (Allow nodes to get current boundingbox)
 *          - Dialogs
 *              - Added Dialog for texture node
 *              - QtMaterialDialog (Fixed bugs and interference with round_points/smooth_line)
 *          - BSlineCurveNode
 *              - Get colors from materialNode rather than setting it in the node directly
 *          - BSlineSurfaceNode
 *              - Get colors from materialNode rather than setting it in the node directly
 *          - Gridnode
 *              - Fixed size now works correctly
 *          - LightNode
 *              - Picking implemented
 *              - Fixed BoundingBox computation
 *          - MaterialNode
 *              - Added random color generator
 *          - MeshNode
 *              - Added per face per vertex normal buffer
 *              - New EDGE_COLORED draw mode
 *              - New HALFEDGE and HALFEDGE_COLORED draw mode
 *              - Fixed a bug in MeshNode2T that would permanently change the depth comparison function instead of only temporarily
 *              - Correctly unbind texture if bound in MeshNode
 *          - PlaneNode
 *              - Fixed an error in the nonzero normal detection in PlaneNode::setPosition.
 *          - Quaternions
 *              - Matrix constructor added
 *              - Added dual quaternions
 *          - Scenegraph
 *              - Extend drawMode Action to include a force mode (forces the given drawmode on all nodes)
 *          - StatusNode
 *              - Halfedge Selections
 *              - Fixed bug accessing element one of empty array
 *          - TextureNode
 *              - Enable or disable Mipmapping
 *      - <b>Core</b>
 *          - BaseObject
 *              - Remove all children from additional node when deleting the subtree(otherwise we get dangling pointers)
 *          - Backup Interface
 *              - Icons for undo/redo
 *              - Intorduced backup groups (create groups of changes for undo/redo .. e.g. if multiple objects are involved)
 *          - Startup
 *              - Added some functions to check for correct lib versions (prevent linking against newer qt than compile version)
 *          - Rendering 
 *              - Sanity Checks for OpenGL Version. Test for GL capabilities on startup.
 *              - Removed light handling completely ( -> Plugin-TypeLight)
 *              - Added options to enable or disable mipmapping
 *              - Set minimal scene size for startup to 10 
 *              - Implemented zoom to for orthogonal projection mode
 *          - Key Handling
 *              - Fixed alt-key bug where last mode was not restored correctly on windows
 *          - Info
 *              - Show memory usage information in about dialog on linux
 *          - Load/Save
 *              - Fixed bug when supported extensions are not parsed correctly
 *              - Fixed bug when filename extensions with capital letters where not marked as supported
 *              - Add files opened via commandLine to recent files
 *              - Fixed bug which overrides colors loaded from files with random colors
 *              - Fixed bug where objectDeleted(int) was called after the actual object is delete (making it impossible to cleanup on that signal)
 *          - Options
 *              - Some gui cleanup for options widget
 *          - Snapshots
 *              - Remember last states for snapshot dialog
 *              - Render snapshots offscreen (Arbitrary size)
 *              - Added option to hide coordsys in snapshots
 *              - Added options to set background to alpha in snapshots
 *              - Added option to enable/disable multisampling in snapshots (and adjust #points used for multisampling)
 *          - Process Interface
 *              - Show progress dialog centered at corewidget (not anywhere on screen)
 *          - ViewMode Interface
 *              - Allow setting of viewmodes
 *      - <b>ObjectTypes</b>
 *          - MeshObjects 
 *              - BSP Tree 
 *                  - Improve cutting planes to speedup search (more balanced tree)
 *                  - Allow ray intersections for searching in tree (Search for all faces hit by ray)
 *              - Bugfixes
 *                  - Fixed wrong lower value computed for bounding boxes (wrong initialization clamping bounding box to upper part of (0.0,0.0,0.0) ) 
 *          - PolyLineObjects
 *      - <b>New Plugins</b> 
 *          - Backup
 *              - Added Backup plugin to free branch
 *          - Subdivider
 *              - Added OpenMesh subdivider plugin to the free branch 
 *      - <b>Plugins</b>
 *          - DataControl
 *              - Added Object name and ID display to Datacontrol popup menu
 *              - Better on/off visualization for light sources
 *          - Decimater
 *              - Support backup plugin ( ->undo )
 *          - FileOBJ
 *              - Bugfix for negative indices for vertices
 *              - Save texxtures and material files
 *              - Support negative vertex index for spline curves and surfaces
 *              - Fixed bug reading knot vector in wrong order for spline surfaces
 *          - FileOFF
 *              - Bugfix for crash when reading degenerate faces
 *          - FilePLY
 *              - Switch to point rendering if only points where read
 *          - Info
 *              - Bugfix -> Dihedral angle for quad meshes computed wrong
 *              - Improved performance when floodfilling mesh in order to count connected components.
 *          - Light
 *              - Reduced brightness for default lights (Otherwise colors of objects are almost always white)
 *              - Added missing Layout to dialog
 *              - Added missing slot to react on fixed position checkbox change
 *              - Added functions to rotate and move lights
 *              - Fixed OpenGL handling of directional light sources
 *          - Move
 *              - Support backup plugin ( ->undo )
 *          - Selection Plugin
 *              - Added halfedge selection
 *              - BSplineSurface Knot Selection
 *              - BSplineSurface Selection
 *              - Render Selections for BSpline Curve and Surface
 *          - Smoother
 *              - Support backup plugin ( ->undo )
 *          - TextureControl
 *              - Added min_val parameter additionally to max_val
 *          - ViewControl
 *              - Support Splines
 *              - Support PolyLines
 *              - New Scripting Function to set per object drawMode directly
 *      - <b>Documentation</b>
 *          - More docs for backup interface (incl. Tutorial)
 *      - <b>Build System</b>
 *          - Do not include files starting with a dot when creating build lists
 *          
 *       
 * 
 *
 * - <b>OpenFlipper 1.0 (  06.23.2010 , 9691 RC7 )</b>
 *      - <b>Core</b>
 *          - Added Light source management
 *              - Added global nodes to handle light sources
 *              - Internal light handling can now be switched off via pluginfunctions (Used by TypeLight to take control over lights)
 *          - About Dialog
 *              - Show information about registered types
 *              - Show information about glu and glut
 *          - Process Manager
 *              - Replaced Mutex by semaphore for waiting that a thread starts (mutex unlock does not work across threads in qt 4.6)
 *              - Bugfix when using blocking mode for new threads
 *          - File Dialog
 *              - Fixed problems with keyboard interaction
 *          - Scripting
 *              - Fixed bug with scriptdir not set correctly on command line open
 *              - Made core.loadObject scriptable (automatically detects right file plugin to load object)
 *              - Fixed bug in scripted saveObject function where supported type was not correctly detected
 *              - Fixed bug when converting matrix and vector types between scripting and core
 *              - New function to add icon for view modes via script
 *          - Debugging
 *              - Windows debugging console for cerr and cout when building windows debug version
 *              - Increased stack frame size when doing debugging.
 *          - Bugfixes
 *              - Bugfix for segfault on exit
 *              - Bugfix for simple viewer and qt 4.6
 *          - BSP Tree
 *              - Faster generation
 *              - Tree, Ray intersection (find closest triangle hit by ray)
 *          - Plugin Handling
 *              - Parallel plugin loader (The plugins are preloaded in parallel. This gives a large speedup on startup)  
 *          - Added a global picking dialog to choose an object an algorithm should work on (OpenFlipper/publicWidgets)
 *          - Added Function to find the object to a node (Based on BaseObjectData)
 *          - Introduced update types to control partial uptdates (color,topology,geometry,...)
 *          - Added region picking functions ( render picking and get a region of the picking )
 *          - Removed unused update type
 *          - Sanity checks on startup (Check OpenGL capabilities,library versions)
 *      - <b>Object Types</b>
 *          - New Light Object
 *          - New Sphere Object
 *          - New BSpline Curve Object
 *          - New BSpline Surface Object
 *      - <b>Interfaces</b>
 *          - BackupInterface
 *              - Full redesign
 *              - Multiple restore stages (before, do restore, after restore
 *              - External restore and backup signals/slots
 *          - BaseInterface
 *              - Added a new parameter to updatedObject which defies the update type (e.g. Topology, Geometry, selection)
 *          - FileInterface
 *              - Support writing multiple objects into one file
 *          - TextureInterface
 *              - updated textureInterface to save textures (including multitextures)
 *          - PluginFunctions
 *              - New function to directly set lookAt
 *              - Improved error handling in some functions
 *          - ThreadInterface
 *              - Jobid is now passed to thread and the slots to identify sender
 *          - Types
 *              - Added a function to check if types exist
 *      - <b>UI</b>
 *          - Improved mouse interaction(translation with middle mouse button is done in world coordinates now)
 *          - Added Context Menus to view modes (Depending on view mode context menus can be hidden now)
 *          - Added rotation locking to context menu for view settings.
 *          - Options
 *              - Added functions to reset to factory settings
 *      - <b>ACG</b>
 *          - Bugfix for glstate functions returning fovy and aspect ratio
 *          - Added gluError handling function
 *          - New PICK_SPLINE Pickmode added
 *          - Draw Modes
 *              - Fixed bug with increment operator for drawmodes (shift in underlying bitset)
 *              - Added Cells Draw Mode
 *          - SceneGraph
 *              - Fixed picking multipass bug where picking failed when blending or other color changing enter and leave functions where present
 *          - GlutPrimitive Node
 *              - Fixed bounding box computation which was centered around origin and not around center of object
 *              - Now handles multiple primitives in one node( and different colors for each of the primitives)
 *              - Includes a rotation to set the orientation of the objects
 *              - DrawMode SOLID_FACES_COLORED supported
 *          - MaterialNode
 *              - Add extra class to store all Material Information
 *          - PointNode
 *              - Use Vec3d
 *              - Fixed bug in pointnode double was send to OpenGL as float 
 *          - LineNode
 *              - Use Vec3d
 *          - MeshNode2
 *              - Fixed bug where stripes are sometimes not updated correctly
 *              - Fixed pick face bug, where picking buffer was updated to late
 *              - Fixed bug with point only meshes, where face and edge buffers were accessed but not there.
 *              - When updating colors, invalidate face and edge buffers too ( otherwise no update is done)
 *              - Be more carefull and check if mesh properties used for redering vanished between render passes (e.g. textures after restore from backups)
 *          -QtTranslationManipulatorNode
 *              - Added possibility to add QVariants to the node
 *          - SceneGraphWidget
 *              - Added system to register a widget for new nodes without changing the widget code.
 *          - Geometry
 *              - Added more documentation to some algorithms
 *              - New functions 
 *                  - Distances to planes
 *                  - Projections (Point->Triangle, Point->Plane )
 *                  - Intersection Ray, Axis aligned Bounding Box
 *                  - Intersection Ray, triangle
 *              - Quaternions
 *                  - changed to template Vector function for rotate
 *                  - disabled matrix constructor
 *                  - added print_info function
 *              - Math_Tools/GeometryFunctions.hh integrated into ACG/Geometry/Algorithms.hh
 *      - <b>New Plugins</b>
 *          - TypeLight
 *              - New object type handling light sources
 *          - TypeSphele
 *              - Simple sphere type
 *          - FileLight
 *              - Support for reading and writing light information
 *          - Slice
 *              - Slicing plugin. Adds clipping planes to render only part of the scene
 *      - <b>Plugins</b>
 *          - All
 *              - Converted all plugins to new updatedObject formats
 *          - Color 
 *              - Fixed wrong interface definitioni causing plugins not visible in ui menus (Thanks to Sergei Migdalskiy for reporting this bug)
 *          - DataControl
 *              - Support for Light sources
 *              - Fixed Bug where delete key was not catched anymore in QT 4.6
 *          - FileOFF
 *              - non-manifold inputs are now duplicated and added as manifold meshes (These duplicates are marked in the OpenMesh status flag) 
 *          - FileOBJ
 *              - non-manifold inputs are now duplicated and added as manifold meshes (These duplicates are marked in the OpenMesh status flag) 
 *          - INI
 *              - Support Light sources
 *              - Write material data for all objects with materialnode
 *          - IsoTropic Remesher
 *              - Process indicator added
 *          - Info Plugin
 *              - Fixed unsigned int/int conversion problem resulting in wrong genus computation
 *              - Fixed crash when infobar is not setup and objects are created ( fixed by initializing it earlier)
 *              - Don't output dihedral angles for no or one face
 *          - Selection
 *              - Fixed bounding box update for selection sphere
 *              - emit updatedobject on color change
 *              - BSpline Selections
 *              - Scripting for controling current selection mode
 *          - TextureControl
 *              - Fixed bug when trying to create textures for lights (?!!)
 *              - Fixed wrong interface definitioni causing plugins not visible in ui menus (Thanks to Sergei Migdalskiy for reporting this bug)
 *              - Backup interface support (copy constructors for per object datas and restore functions)
 *          - Topology Plugin
 *              - Added missing updates
 *          - Info Plugin
 *              - Fixed unsigned int/int conversion problem resulting in wrong genus computation
 *              - Fixed crash when infobar is not setup and objects are created ( fixed by initializing it earlier)
 *              - Don't output dihedral angles for no or one face
 *          - ViewControl
 *              - Check if types exist before adding context menues (avoids warning)
 *          - VSI Plugin
 *              - Fix script generation for qt 4.6 ( in -> input rename as in causes a parse error )
 *              - Fixed draw errors on zooming
 *              - Additional Metadata for other algorithms
 *              - Fixed bug when converting matrix and vector types between scripting and core
 *      - <b>Documentation</b>
 *          - Refactored documentation files ( One documentation directory, build targets)
 *          - Internal help files (qhc) are now searched automatically ( no need to specify at build time anymore!)
 *          - Added docs for the glstate to describe internal projection matrix construction and parameters
 *          - Improved Documentation for the process manager
 *          - Improved building instructions
 *      - <b>Others</b>
 *          - Fixed some crashes with Visual Studio 2010 builds (Some may still be there)
 *      - <b>Build System</b>
 *          - Added FFTW Finder
 *          - Added Petsc finder
 *          - Added a GLUT finder
 *          - Fixed the library dir in GLEW finder
 *          - Make windows capable of choosing debug and release version of superlu
 *          - Build ui files from ObjectTypes (Required to register Widgets to the scenegraph dialog)
 *          - Branding support (looks in Toplevel/branding for image files)
 *          - Improved compiler flag settings for unix systems (easier setting of additional compiler flags)
 *          - Made RELWITHDEBINFO build type working. (Release mode with debug symbols)
 *          - Added doc target ( For core and plugins )
 *          - Added search engine to help
 *          - Tutorial for ViewModeInterface
 *          - Tutorial for TypeInterface
 *          - Tutorial for ThreadingInterface
 *          - Win
 *              - Fixup Bundle for Windows (Copies required DLLs to the build directory for easy execution)
 *          - Mac
 *              - Only build dmg not tgz on mac package on make package 
 *              - Fixed bug wher Mac bundles did not include the Qt Plugins (missing jpeg support/...)
 *
 * - <b>OpenFlipper 1.0 RC6 ( 2010/03/17 , 8742 )</b>
 *      - <b>Core</b>
 *          - Splitted File Plugins ( Now there are type plugins loaded first to register types and the file plugins to load data)
 *          - Moved loading code from OpenMesh to file plugins to support multiple data types
 *          - Changed handling of ObjectSelectionChanged
 *          - Updated internal types handling (directly initialized by core now) 
 *          - Handle object tree integration for BaseObjects automatically (No longer necessary to call the setParent Function)
 *          - selectionChanged, visibilityChanged and objectPropertiesChanged are now handled internally. If One of these changes, the signals
 *                will be emitted by the core and passed to the plugins.
 *          - Basic implementation to copy per Object data along with copied object
 *          - Implemented drag and drop for files to OpenFlipper
 *          - Fixes for building with QT 4.6
 *          - Added a map to find objects in the objectTree (large speedup when handling multiple objects)
 *          - Internal counters for targets, sources and objects avoiding iterations across all objects ( another speedup)
 *      - <b>Plugin interface changes</b>
 *              - Changed PluginFunctions to return 0 object for identifier -1
 *              - Provide a QSettings interface to store per Plugin settings (called OpenFlipperSettings in globaloptions)
 *              - Core manages objectSelectionChanged, visibilityChanged and objectPropertiesChanged. (Do not emit these signals in your plugin anymore)
 *              - Added TypeInterface to register types from plugins (These plugins will be loaded first!)
 *              - Improvements to status bar interface (now accepts arbitrary widgets)
 *              - Renamed type idList to IdList
 *              - Process manager added
 *              - Updated updateObject functionality which can specify the type of updates now
 *      - <b>DataTypes</b> 
 *              - Added Plane Datatype and plugin
 *              - Rewrote the mesh rendering node (now handling textures for poly meshes)
 *      - <b>Internal changes</b>
 *              - Updated internal types handling (directly initialized by core now) 
 *      - <b>UI</b>
 *              - Updated cursors (new cursors for some modes)
 *              - Fixed hotspot of some cursors
 *              - Updated Icons 
 *                      - New Icons for Object Types (Group,Plane Icon)
 *                      - Icons for Datacontrol Context Menu
 *              - Updated About dialog to include used compiler for OpenFlipper
 *              - Improved logger widget with filtering option
 *      - <b>Scripting</b>
 *              - Implimented new datatype representation which is also available in scripting now
 *      - <b>GL Handling</b>
 *              - Function to get maximum texture units
 *      - <b>Plugins</b>
 *              - File Plugins
 *                      - New OBJ and OFF readers/writers which are independent of OpenMesh now
 *                      - OBJ groups
 *                      - Fixed errors reading OBJ files containing tabs
 *                      - Basic support for splines and spline surfaces in OBJ files
 *                      - Support for binary OFF files not following the specification ( without face color index )
 *              - Choose between opening meshes as triangle or poly mesh
 *                      - Added a default loading dialog
 *              - Plugin Info
 *                      - Shows number of primitives for open objects in the status bar
 *              - Plugin Datacontrol
 *                      - Some gui reworks
 *                      - Use new signal processing correctly
 *                      - RPC Function for grouping now returns the id of the group
 *                      - RPC Function to ungroup
 *              - Plugin Decimater
 *                      - Enable Normal deviation constraint by default
 *                      - Correctly set maximum for sliders
 *              - Plugin IsoTropic Remesher
 *                      - respect boundaries and edge features
 *              - Plugin Selection
 *                      - Create mesh from selection added
 *              - Plugin Move
 *                      - Added function to hide Manipulators
 *                      - Added some Icons
 *                      - Fixed iterator bug causing slow operations
 *              - Plugin ViewControl
 *                      - Don't set draw mode for all nodes
 *              - Plugin VSI
 *                      - New Plugin to create scripts via a visual scripting interface
 *      - <b>ACG</b>
 *              - Switched Bounding Box action to doubles
 *              - added Quaternion exponential, logarithm and from_rotation_matrix construction
 *              - Removed assertions in GLSL Shader Utils and replaced them by warnings (To support graphics cards without shaders)
 *              - Reimplementation of the drawmode which is now a separate class
 *      - <b>Build system</b>
 *              - Finder for libpre
 *              - Finder for libxml2
 *              - Updated OpenMesh Finder
 *              - New Option to enable stl vector checking
 *              - First tests to enable cross compiling
 *  
 * - <b>OpenFlipper 1.0 RC5 ( 10.26.2009, 7508 )</b>
 *   - <b>UI</b>
 *     - Updated the view modes
 *         - added toolbars to view modes
 *         - New widget for configuring view modes
 *     - First person navigation mode
 *         - Added basic implementation for first person navigation in the scene (Keys wasd + mouse)
 *   - <b>Rendering</b>
 *     - Support stereo mode for  Philips 42-inch autostereoscopic 3D Displays
 *   - <b>Plugin interface changes</b>
 *     - Toolbox interface (Initialize_toolbox is removed. please add the code from this function to initialize plugin and emit addToolbox there)
 *     - Removed global access header
 *   - <b>Plugins</b>
 *     - Plugin Info
 *         - Updated Info plugin (new user interface and more info about meshes)
 *     - Plugin Move
 *         - Only scale manipulators if move plugin is active
 *         - Fixed normal update in move plugin
 *         - Fixed multiple connections in move plugin resulting in slow movement
 *     - Plugin Datacontrol
 *         - Fixed double entries in datacontrol
 *     - <b>Internal changes</b>
 *     - Changed ordering of main scenegraph nodes (and added pluginfunctions to add new nodes)
 *   - <b>Documentation</b>
 *     - refactor the documentation
 *     - adjust to changes
 *   - <b>Build system</b>
 *     - Add cmake configurations for object types
 *     - parse and integrate Qr resource files for plugins
 *     - Added lib subdirectory which is automatically build when a cmakelists file exists
 *   - <b>General bugfixes</b>
 *     - Fixed bug where rotation center and scene center interfered
 *     - Fixed translation in plane object
 *   - <b>Internal libs</b>
 *      - Updated OpenMesh to RC4 
 * 
 * - <b>OpenFlipper 1.0 RC4 ( 09.29.2009 ,7205)</b>
 *      - Isotropic Remesher Plugin
 *      - Latest OpenMesh Version
 *      - Bugfixes
 * 
 * 
 *  - <b>OpenFlipper 1.0 RC3 ( 07.10.2009)</b>
 *      - Switch to cmake
 *      - Creation of Windows and MacOS Installer files
 *      - Bugfixes
 * 
 * - <b>OpenFlipper 1.0 RC2 ( 04.19.2009)</b>
 *   - Cmake support added .. needs more testing
 * 
 * - <b>OpenFlipper 1.0 RC1 ( 03.27.2009 )</b>
 *   - Initial Release
 */