All mutex declarations have been moved to cairo-mutex-list.h.
This should avoid breaking of less frequently tested backends,
when mutexes are introduced or when existing mutexes are renamed.
Instead of initializing mutexes on library startup, mutexes are
lazily initialized within the few entry points of now by calling
CAIRO_MUTEX_INITIALIZE(). Currently only the OS/2 backend takes
care about releasing global mutexes. Therefore there is no counter
part of that macro for finalizing all global mutexes yet - but
as cairo-backend-os2.c shows such a function would be quite
easy to implement.
Previous commit broke cairo_surface_finish, since it was checking for
ref_count == CAIRO_REF_COUNT_INVALID and bailing. But, that condition
was reached from destroy, so finish was bailing out early.
user_data setters/getters were added to public refcounted objects
that were missing them (cairo_t, pattern, scaled_font). Also,
a refcount getter (cairo_*_get_reference_count) was added to all
public refcounted objects.
The reference count of cairo_font_face_t is rather intimately tied,
(for toy font faces), with the cairo_font_face_hash_table, so we
expand the existing cairo_toy_font_face_hash_table_mutex to cover
the manipulation of font_face->ref_count as well.
This commit eliminates an assertion failure that is (occasionally)
exposed by the pthread-show-text test case:
lt-pthread-show-text: cairo-hash.c:196: _cairo_hash_table_destroy: Assertion `hash_table->live_entries == 0' failed.
This patch was produced with the following (GNU) sed script:
sed -i -r -e 's/[ \t]+$//'
run on all *.[ch] files within cairo.
Note that the above script would have also created all the changes
from the previous commits to remove trailing whitespace.
This patch was produced with the following (GNU) sed script:
sed -i -r -e '/^[ \t]*\/?\*/ s/[ \t]+$//'
run on all *.[ch] files within cairo, (though I manually excluded
src/cairo-atsui-font.c which has a code line that appears as a comment
to this script).
Replace cairo cache implementation (this code from cworth)
No more global glyph cache to clean up
Store glyphs in new per-scaled font caches which hold user-space metrics and device space bounding boxes
Refactor glyph drawing APIs so that the surface API is invoked directly from the gstate code.
Add path creation/destruction routines (to hold glyph paths)
New implementation of scaled fonts which uses per-scaled_font caches for glyphs and keeps user-space metrics, device-space bboxes along with glyph images and/or glyph paths.
Adapt to new scaled font API changes.
New cache and scaled_font APIs
Repond to bug fix in metrics computation for glyphs where y values were rounded up instead of down because of a sign difference between cairo and FreeType.
Reviewed by: otaylor, cworth
Don't change the status value if it already holds an error. This avoids destroying "first error" information and also avoids attempting to write read-only data, (eg. from nil objects).
Don't set an error on the same object if it is in an error state to begin with, just return immediately. This is intended to reduce (eventual) error prints to the first cause of an error for any given object, instead of a continual spew.
CLEAR and SOURCE are now bounded.
Assert that SOURCE and CLEAR aren't passed to these functions.
Assert that SOURCE and CLEAR aren't passed to these functions when there is a mask.
Do fixups for SOURCE and CLEAR as well as unbounded operators, since in the absence of a mask, we need SOURCE to work correctly (don't care about CLEAR)
_cairo_ft_font_show_glyphs) Consistently use CLEAR/TRANSPARENT (source doesn't matter) rather than SOURCE/TRANSPARENT when clearing rectangles.
src/cairo-xlib-surface.c src/cairo-surface.c: Use IN rather than SOURCE as an example of an unbounded operator in docs.
Remove CLEAR/SOURCE columns since they are no longer unbounded.
test/operator-clear.c test/operator-source Makefile.am: Add targetted tests of CLEAR/SOURCE.
Convert the font_face/matrix/ctm/options => cairo_scaled_font_t mapping from a two-layer cairo-cache.c implementation to a single cairo-hash.c implementation backed by a simple array for the secondary cache.
Reviewed by: keithp
Complete the remainder of the simple -> toy renaming. Convert the family/slant/weight -> cairo_toy_font_face_t mapping to use cairo-hash.c rather than cairo-cache.c.
Remove const qualifier from toy_face parameter to creat_toy, as these functions may reference the font face. Track addition of font_face parameter to _cairo_scaled_font_init.
Implement font_face parameter to _cairo_scaled_font_init, moving the reference of the font_face from _cairo_inner_font_cache_create_entry.
Add a font_face parameter in addition to the unscaled_font parameter.
Track new font_face parameter to _cairo_ft_scaled_font_create.
Whitespace touchup.
Reviewed by: otaylor
Track change in create_toy interface.
Partial rename of simple->toy. It's not complete as this is a step in the process of merging in a large patch of mine which actually removes most of the affected code.
New function to reset all static data (eg. caches) to their initial state.
Fix check-valgrind target to depend on the 'all' target.
Add check for a new, proposed, XrmFinalize function.
Add cairo-debug.c.
Move the definition of CAIRO_BEGIN_DECLS to cairo-features.h so that it can be shared between public header files, and so that it doesn't clutter cairo.h
Implement reset_static_data in all modules as required.
Call cairo_debug_reset_static_data and FcFini so that we can have all tests be valgrind-clean with respect to memory leaks and still-reachable data.
src/cairo-ft-font.c (cairo_ft_font_face_create_for_pattern): src/cairo-ft-font.c (cairo_ft_font_face_create_for_ft_face): src/cairo-win32-font.c (cairo_win32_font_face_create_for_logfontw): Return _cairo_font_face_nil on out-of-memory.
Check return of _cairo_simple_font_face_create().
Error out if font_face has a status.
Handle a nil surface.
src/cairoint.h src/cairo-ft-font.c: Stop exporting _cairo_scaled_font_nil, since we dont' need it publically any more.
return surface->status not status. (Fixes warning)
Change functions to return type of void:
cairo_scaled_font_extents cairo_surface_finish
Add new functions to query object status:
cairo_scaled_font_status cairo_surface_status
Implementation of new error handling scheme for cairo_surface_t and cairo_scaled_font_t.
Track change in return value of cairo_surface_finish.
src/cairo-font.c src/cairo.h src/cairoint.h: Add a cairo_font_options_t object to cairo_scaled_font_create().
src/cairo-surface.c src/cairoint.h: Add virtualized cairo_surface_get_font_options() to get the font options for a surface.
Adapt to cairo_scaled_font_create() change.
Add an implementation of get_font_options() that turns off metrics hinting.
src/cairo-xlib-screen.c src/cairo-xlib-private.h: Add a "screen info" structure that holds (for now) information about the default font options for the screen.
Implement get_font_options()
src/cairo-ft-font.c src/cairo-ft.h: Add functions to apply a cairo_font_options_t to a FcPattern or get the load flags for a cairo_font_options_t.
Adapt to font options additions. Add support for non-antialiased rendering of scalable fonts. Add support for turning off metrics hinting.
Adapt to font options additions.
doc/public/Makefile.am doc/public/cairo-sections.txt: Update.
reviewed by: cworth
Add _cairo_cache_shrink_to which reduces cache memory usage to a specified level.
Change global glyph and xlib glyphset caches behaviour to only shrink cache on unlock. This is done by telling the cache code to never shrink (max_memory == 0), and then manually shrinking using _cairo_cache_shrink_to from the unlock function.
Fix Carl's variable renaming mixing (cache = cache).
reviewed by: cworth
