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com.jogamp.opengl.
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git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/trunk@1959 232f8b59-042b-4e1e-8c03-345bb8c30851
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on to trunk
git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/trunk@1958 232f8b59-042b-4e1e-8c03-345bb8c30851
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fonts & unicode characters
Fixed off-by-one error in computation of needsAdvance bit for high
Unicode strings pointed out by spiraljetty on JOGL forum. Added test
case for this.
git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/trunk@1538 232f8b59-042b-4e1e-8c03-345bb8c30851
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unicode characters
The glyph-based rendering algorithm for the TextRenderer was
performing rendering in two steps: glyph preparation and upload, and
rendering. This structure doesn't work in the context of the
RectanglePacker, which can reorganize the backing store during any
upload.
Restructured the glyph cache in the TextRenderer in terms of flyweight
Glyph objects which know how to upload and render themselves. During
any upload, the outstanding glyphs not yet rendered to the screen may
thereby be flushed. Improved the code path which falls back to the
string-by-string algorithm for complex Unicode characters so that
incoming strings can be segmented into multiple parts which are
rendered either using the glyph cache or the string-by-string
algorithm.
Also tinkered with the bounds of glyphs and strings on the backing
store to try to more definitively eliminate bleed-over between
adjacent characters on the backing store, and to ensure that all of
the pixels of glyphs are drawn. Some heuristics are unfortunately
involved but the new code appears to work well with both very large
and very small fonts.
Added a few more test cases for the TextRenderer based on the bug
report. Tested with the previous test cases as well.
git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/trunk@1533 232f8b59-042b-4e1e-8c03-345bb8c30851
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Fixed four issues:
- Regression in new segmenting and punting code causing
ArrayIndexOutOfBoundsException due to not resetting the glyph
uploader during punt.
- Issue in same code where length and total advance were not being
reset properly.
- Incorrect handling in glyph-by-glyph rendering when backing store
was using NPOT texture and GL_ARB_texture_rectangle.
- Failure to punt when glyph code was out of bounds.
Checked in two regression tests for these issues.
git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/trunk@1434 232f8b59-042b-4e1e-8c03-345bb8c30851
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