- implemented channel title options we have in the GUI


git-svn-id: svn://svn.code.sf.net/p/gwyddion/code@16677 25697fe4-d644-49b8-9d30-be5465f2adf3
- got rid of data view use in rendering
- cannot draw masks as a consequence, but that needs to be done differently
  anyway
- preview 16bit greyscale export in greyscale


git-svn-id: svn://svn.code.sf.net/p/gwyddion/code@16678 25697fe4-d644-49b8-9d30-be5465f2adf3
- scale gaps with font size, not tick length
- fixed inset not moving down when there is a title on top
- added gap control for title


git-svn-id: svn://svn.code.sf.net/p/gwyddion/code@16679 25697fe4-d644-49b8-9d30-be5465f2adf3
- replaced remaining code relying on having the data displayed in a DataView


git-svn-id: svn://svn.code.sf.net/p/gwyddion/code@16680 25697fe4-d644-49b8-9d30-be5465f2adf3
- fixed a leaking GString


git-svn-id: svn://svn.code.sf.net/p/gwyddion/code@16681 25697fe4-d644-49b8-9d30-be5465f2adf3
- implemented reset
- corrected bleeding of image outside frame in pixmap rendering


git-svn-id: svn://svn.code.sf.net/p/gwyddion/code@16682 25697fe4-d644-49b8-9d30-be5465f2adf3
- trying to fix preview scaling for absolute sizes and vector output


git-svn-id: svn://svn.code.sf.net/p/gwyddion/code@16683 25697fe4-d644-49b8-9d30-be5465f2adf3
- started implementing selection drawing GUI


git-svn-id: svn://svn.code.sf.net/p/gwyddion/code@16684 25697fe4-d644-49b8-9d30-be5465f2adf3