is_left_handed() method on transformations and volumes
rendering of GLVolumes in left handed coordinate systems by glFrontFace(GL_CW);
SLA slicing on left hand oriented instances by flipping the mesh for SLAPrintObject in X.
rendering of the SLA cutting plane in left handed systems
resetting the SLA clipping planes on 3D preview invalidation
1) All camera related OpenGL calls moved into class
2) The Camera class now stores the view matrix, the projection matrix and the viewport
3) The Camera class now exposes methods to get the camera orientation vectors, the camera position, the view matrix, the projection matrix and the viewport
4) All the code operating on the camera or requiring camera data has been modified to use the new methods
template.
Reworked naming of the plater exports to not use the output file name
template, but to derive the file name from the first printable object's name.
Fixed error handling: Reimpemented the Perl's "eval" blocks
as try / catch blocks.
Removed libslic3r from the default include paths for all modules but
libslic3r. Now headers from libslic3r need to be included with an
explicit path (libslic3r/libslic3r.h etc)
Split the localization macros into I18N.{cpp,h}
replaced Print & SLAPrint pointers with BackgroundProcessing pointer
at the GLCanvas3D level, so that the Print & SLAPrint access will be
synchronized with the current printer technology.
function to force a refresh of all GLVolumes. Currently this hack
is used by the Platter::arrange() function only, and ideally
we should replace this parameter with a smarter 3DScene::refresh()
function, which would check for the transformation matrices as well.
