зеркало из https://github.com/mozilla/gecko-dev.git
51 строка
2.0 KiB
Plaintext
51 строка
2.0 KiB
Plaintext
Snapshots of cairo and glitz for mozilla usage.
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We only include the relevant parts of each release (generally, src/*.[ch]),
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as we have Makefile.in's that integrate into the Mozilla build system. For
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documentation and similar, please see the official tarballs at
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http://www.cairographics.org/.
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VERSIONS:
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cairo (1.5.x - c0a7d33ac6c81dd74ee2a9daaa3749a346ef4897)
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pixman (0.9.3 - 0c80a0cd84f30616563cef5910df9deb4f8ed687)
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glitz 0.5.2 (cvs - 2006-01-10)
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***** NOTE FOR VISUAL C++ 6.0 *****
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VC6 is not supported. Please upgrade to VC8.
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==== Patches ====
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All patches in the cairo tree are surrounded by "MOZILLA_CAIRO_NOT_DEFINED"
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(which should obviously not be defined).
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Some specific things:
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max-font-size.patch: Clamp freetype font size to 1000 to avoid overflow issues
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win32-scaled-font-size.patch: Add cairo_win32_font_face_create_for_logfontw_hfont,
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allow win32 scaled_fonts to rescale themselves properly to the required CTM
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and only use the font_face's hfont if we're sure it's appropriate
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win32-logical-font-scale.patch: set CAIRO_WIN32_LOGICAL_FONT_SCALE to 1
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win32-no-printer-bitblt.patch: If we need to BitBlt from a DC (to do
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fallback), only bother trying if the IS_DISPLAY flag is set -- many
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printers lie about their support for BitBlt, and we end up getting
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black instead of what we want.
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nonfatal-assertions.patch: Make assertions non-fatal
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clone-similar-fallback.patch: Implement fallback for clone_similar.
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scaled-font-create-deadlock.patch: the "poor man's mutex" that is provided
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for CAIRO_NO_MUTEX will deadlock if a recursive mutex lock occurs.
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It's also just a bunch of useless assignments for applications that makes
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all cairo calls from a single thread. An example of where a deadlock occurs
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is the cairo_scaled_font_destroy() call from win32_scaled_font_create(),
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which is a bug, but it illustrates the dangers of that "poor man's mutex".
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The patch makes all mutex operations do nothing under CAIRO_NO_MUTEX and
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it fixes the bug in win32_scaled_font_create().
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See https://bugzilla.mozilla.org/show_bug.cgi?id=378716
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