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285 lines
10 KiB
285 lines
10 KiB
4 years ago
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in Version 1.1
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--------------
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o Got rid of the n-vector and n*n-matrix code as it was quite broken.
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o All MxGUI menu commands are visible to external code now.
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o Got rid of the command-line compilation stuff for VC.
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o Moved all the Windows-specific headers -- which have never moved
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beyond experimental -- into a Windows specific <gfx/win/...> location.
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o Placed all libgfx code in the 'gfx' namespace. To improve
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compatibility with old code, the <gfx/gfx.h> header will
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automatically import this namespace into the default global one.
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This behavior can be turned off by defining the GFX_NAMESPACE
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preprocessor symbol.
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o The scripting framework now allows for encapsulation of one syntax
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inside another. However, this is experimental, and is likely to
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change considerably in a future release.
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o Extended the script interface to support void parsers that throw
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exceptions on errors rather than passing return codes. In future,
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this will become the default way of writing parser functions.
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o The script_do_xxx() functions formerly defined in <gfx/script.h>
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have been removed. They were long ago superseded by the
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CmdEnv::do_xxx() methods.
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o Fixed the unitize() method for quaternions, which did not in fact
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result in a unit quaternion.
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o Added a small collection of useful color manipulation routines in
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<gfx/color.h>.
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o Added an ortho_camera_lookat() function to complement the
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longstanding camera_lookat() perspective function.
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in Version 1.0.3
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----------------
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o When compiling with GCC, warnings are turned on by default. To
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compile without warnings, you must use --disable-warnings when
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running the 'configure' script.
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o The tests used by the 'configure' script to detect OpenGL headers
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were a bit broken. These tests are now much more reliable.
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o The quaternion SLERPing code in previous revisions was incorrect
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due to a typo in the code. This problem has been fixed.
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o The file parser provided by <gfx/script.h> now supports the use of
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libgzstream. When using the library, the scripting code will
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automatically decompress files ending with {.gz, .z, .Z} suffixes.
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You must use the --enable-gzstream option when running ./configure.
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o New experimental build files for use with Apple's XCode
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development environment are available in the 'xcode' directory.
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o Added functions to <gfx/geom3d.h> for computing the volume
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of tetrahedra.
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o The MIN/MAX macros were broken under Cygwin.
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o Fixed up a few miscellaneous compiler warnings.
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o Added an experimental MxBinder class to <gfx/gui.h>. This makes
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it fairly painless to bind MxGUI member functions to FLTK callbacks.
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o Moved management of libgfx source code from CVS to Subversion.
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in Version 1.0.2
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----------------
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o The MxGUI::snapshot_to_file() method now takes an optional
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filename argument. When provided, the code will simply write a
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snapshot to this file, rather than presenting the user with a file
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selector.
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o The MxGUI::snapshot_to_file() method will now save the alpha
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channel of the window, assuming the file format supports that.
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(Currently, only PNG and TIFF support alpha channels.)
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o MxGUI OpenGL windows allocate alpha channels (when available).
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o New vector/matrix modules:
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- <gfx/symmat4.h> Symmetric 4x4 matrices; after <gfx/symmat3.h>
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- <gfx/vecn.h> Preliminary support for n-D vectors
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- <gfx/matn.h> Preliminary support for nxn matrices
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- <gfx/symmatn.h> Preliminary support for nxn symmetric matrices
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o Project files for Apple's ProjectBuilder (OS X) are located in the
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macos subdirectory.
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o Added checks in the autoconf script for <ext/hash_map> and
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<ext/hash_set>, which is where GCC3 chooses to place these
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non-standard STL components.
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o The scripting framework now supports a CmdEnv::ignore_command()
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method that lets client code specify command names that should be
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ignored. This is also available from the input file itself by
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using the 'ignore' command.
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o The Baseball-derived classes now have read()/write() methods for
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exchanging view information in a textual form.
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in Version 1.0.1
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----------------
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o The library should now compile correctly under Visual Studio .NET
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(a.k.a Visual C++ 7).
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o The array<> and varray<> templates in <gfx/array.h> have been
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removed. Their original purpose was to support legacy code
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written in prior to the widespread adoption of STL. The array2<>
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and array3<> templates remain, but they are now subclasses of
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std::vector<>.
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o Many of the functions in <gfx/geom3d.h> were re-written to by
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templatized by vector class rather than by element type. Thus,
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they may now be used with any suitable vector type, not just the
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TVec3<> template defined in <gfx/vec3.h>.
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o The CmdLine::collect_as_xxx() methods used by the file format
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scripting interface now accept an optional 'offset' argument.
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This parameter controls at which token the methods start reading.
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Their previous behavior was to always begin reading at the first
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token on the command line.
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o The script_do_xxx() functions have been replaced with
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CmdEnv::do_xxx() methods. The old global functions remain in
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place for compatibility, but the new CmdEnv methods should be used
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in preference to them.
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o The autoconf process now sets up a symbolic FLTKCONFIG program
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name. This is primarily of interest under MacOS X, where the
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fltk-config program is used to finalize the build of a GUI
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application so that it will launch correctly from the Finder.
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The Makefile in the 'test' directory demonstrates the correct use
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of this program as a post-build step.
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o Bug fixes:
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- The Raster destructor is now correctly declared as virtual.
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- Certain type declarations have been made more rigorously
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correct for proper compilation under GCC 3.
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o A geom4d package has been added that provides functionality
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analogous to the geom3d package.
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o A couple of new experimental packages have been added for building
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Win32 interfaces with MFC: mfc, wintools, gui-mfc. They are
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unfinished, undocumented, and may be unstable. Most users of this
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library will want to avoid them.
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in Version 1.0
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----------------
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o The documentation is now (mostly) complete and (mostly)
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synchronized with the actual code.
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o Trackball & Arcball now share a common Baseball base class.
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o Extensions to the autoconf script to allow for:
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- Automatic configuration under Mac OS X
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- Selection of whether to compile with Cygwin libraries or not
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- Handle differences between FLTK 1.0.x and 1.1.x in the way
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that OpenGL code is handled
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o Some minor changes to make the library compile under Mac OS X.
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o Bug fixes:
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- ByteRaster copy constructer faulted due to incorrect size
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computation for memcpy().
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in Version 0.9.3
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----------------
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o Even more significant changes in the file format scripting package. The
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old approach was getting increasingly unmanageable, and the reliance on
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magic global constructors for handler registration was proving to be
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problematic.
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o Added descriptive interface to vector/matrix types to make
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templates easier to write.
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o Vector templates now handle assignment between vectors of
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different types (e.g., Vec3 and Vec3f) much more cleanly.
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o New packages to efficiently support symmetric matrix types
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(e.g., <gfx/symmat3.h>).
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o Added is_inside_bbox() and clamp_to_bbox() to geom3d package.
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o More complete documentation.
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o Bug fixes in various packages:
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- fixed autoconf script to correctly detect headers
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- Raster class now uses delete[] to match its use of new[].
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- Scalar multiplication of vectors under VC++ must now use
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constants of the same type as the vector elements. This
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prevents a tricky bug related to the VC++ template
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instantiation.
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in Version 0.9.2
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----------------
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o Significant changes to the file format scripting package. All previous
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global functions are still available for backwards compatibility, but
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you may need to change the definitions of your command handlers.
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o The interface of the <geom3d> package has changed considerably
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- Changed the triangle_* functions to be inlined templated functions.
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Before they only worked with Vec3's. Now, they'll work with any
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TVec3<T> type.
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- Added a templated compute_bbox() function.
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o Camera and object control has changed a bit
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- The camera_lookat() function in the <gltools> package was putting
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both the perspective and lookAt transformations on the Projection
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stack. It now correctly puts the perspective on the Projection
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stack and the lookAt transformation on the ModelView stack.
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- The Arcball and Trackball manipulators now apply all transformations
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to the object, rather than applying rotation to the object and
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translation to the camera.
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o Added eigenvalue/eigenvector functions for all matrix types.
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- Because of licensing restrictions, only the 2x2 implementation is
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actually present, although prototypes exist for all dimensions.
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o Added a restricted STL-like interface to <array> package.
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o Bug fixes in various packages
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- The 2x2 matrix inversion method was incorrect.
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- read_tiff_image() always returned a 3-channel image. It will now
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return an image with the same number of channels as in the file
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read.
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in Version 0.9.1
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---------------
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o Added a new quaternion package <gfx/quat.h>. [currently undocumented]
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o Added Trackball & Arcball interactive rotation control packages. This
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makes it much easier to write applications where the user interactively
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spins a model in the window. [currently undocumented]
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o Bug fixes in various packages.
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- Vec3, Vec4 operators for Visual C++ were broken.
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- Fixed improper deallocation of array2<> and array3<> objects.
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- camera_lookat() incorrectly computed camera location.
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o Applications built on the MxGUI framework can now receive key
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press events in the OpenGL canvas area by overriding the key_press()
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method.
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in Version 0.9
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-----------
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This was the initial preliminary release for Fall 2000.
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