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Author SHA1 Message Date
Adrian Johnson
b34c248b92 Fix _cairo_sub_font_map_glyph() to return correct unicode value 2008-08-10 14:18:52 +09:30
Adrian Johnson
d1c619bc7d win32-font: Make cairo_show_text() work again 
For now implement _ucs4_to_index() and leave _text_to_glyphs()
disabled.
 2008-08-10 14:17:01 +09:30
Behdad Esfahbod
e9933ba28c [NEWS] Add some notes about recent happenings 2008-08-08 17:13:27 -04:00
Behdad Esfahbod
8f6e52b068 [doc] Add short user-font section docs 2008-08-08 17:13:27 -04:00
Behdad Esfahbod
5227897b17 Add note about zero-glyph clusters 2008-08-08 17:13:27 -04:00
Chris Wilson
322c3ef7f9 [.gitignore] Update list of tests 2008-08-08 10:09:55 +01:00
Chris Wilson
893b50a980 [test] Update reference image for leaky-dashed-rectangle. 
Bah, it seems someone fixed the code and the error lay in discrepancies
with the antialiasing in the reference image.
 2008-08-08 10:09:37 +01:00
Chris Wilson
49fb0e834e [matrix] Prefer a return parameter for _compute_determinant(). 
Returning a double tends to be slightly more efficient than passing a
pointer to fill, and is a lot easier to read.
 2008-08-08 09:11:10 +01:00
Behdad Esfahbod
eabe572981 Document all new API 
Also validate clusters generated by font backends.
 2008-08-08 03:04:38 -04:00
Behdad Esfahbod
08e8a42ea1 [test/user-font] Fix comments 2008-08-08 03:01:18 -04:00
Behdad Esfahbod
38c5f0d49b [scaled-font-subsets] Fix UTF-8 mapping 
Prevously all show_text_glyphs() clusters were using ActualText.  This
fixes that.

I have a feeling that the following scenario is broken still though:

  - show_text_glyphs maps glyph 1 to some utf8 text different from
    what index_to_ucs4 will give for glyph 1.  This will assign the
    utf8 text to glyph 1's ToUnicode.

  - show_glyphs shows glyph 1.  Since cluster has no utf8 text, we
    won't use ActualText and fall back to ToUnicode.  But the ToUnicode
    value assigned to glyph 1 is non-standard now.  We should use
    ActualText.

I have not verified this hypothesis though.
 2008-08-08 03:01:18 -04:00
Behdad Esfahbod
bc4d363e92 [pdf-operators] Add note about clusters with no glyphs 2008-08-08 03:01:18 -04:00
Behdad Esfahbod
1bc404e346 Make utf8 handling in font subsets more consistent 2008-08-08 03:01:17 -04:00
Behdad Esfahbod
849159ddd1 [truetype] Fix gcc warning about possibly-infinite-loops 2008-08-08 03:01:17 -04:00
Behdad Esfahbod
178789c37a [cairo-scaled-font-subsets] Make utf8 handling more robust 2008-08-08 03:01:17 -04:00
Behdad Esfahbod
597bfa922a [test/user-font] Document glyph-not-found situation 2008-08-08 03:01:17 -04:00
Behdad Esfahbod
d9408041aa Add cairo_scaled_font_text_to_glyphs() 
And update user-font text_to_glyphs() method to match.

Currently disable the win32-font text_to_glyphs(), until that one
is updated.  Or better yet, remove it and implement ucs4_to_index().
It's the toy font API afterall.
 2008-08-08 03:01:16 -04:00
Behdad Esfahbod
b8fc845094 [cairo-scaled-font-subsets] Fix bug with utf8 handling 2008-08-08 03:01:16 -04:00
Behdad Esfahbod
6b3f6dc77a [unicode] Add _cairo_utf8_get_char_validated() 2008-08-08 03:01:16 -04:00
Behdad Esfahbod
8c514a40b8 Add cairo_glyph/text_cluster_allocate/free 
These are needed by the upcoming cairo_scaled_font_text_to_glyphs()
 2008-08-08 03:01:16 -04:00
Behdad Esfahbod
b01ad0835d [user-font] Add a cairo_t argument to cairo_user_scaled_font_init_func_t 
The init func does not actually need to draw anything, but having a cairo_t
similar to that passed to render_glyph is handy for computing font extents.
This is because cairo makes doing some things really hard (if not impossible)
without a cairo_t.

The user-font-proxy test case is a great example of how the added cairo_t
makes life much easier.
 2008-08-08 03:01:15 -04:00
Behdad Esfahbod
d6ae23478a Check for NULL pointer in cairo_set_scaled_font 2008-08-08 03:01:15 -04:00
Behdad Esfahbod
b67d34e960 [gstate] Check for NULL font_face in _cairo_gstate_set_font_face 2008-08-08 03:01:15 -04:00
Behdad Esfahbod
7e57892983 Add toy font constructor and getters 
New public API:

	cairo_toy_font_face_create()
	cairo_toy_font_face_get_family()
	cairo_toy_font_face_get_slant()
	cairo_toy_font_face_get_weight()
 2008-08-08 03:01:14 -04:00
Behdad Esfahbod
bca9a21e98 [docs] Update private header list 2008-08-08 03:01:14 -04:00
Behdad Esfahbod
4bb7388b65 Remove unnecessary checks for CAIRO_STATUS_INVALID_STRING 
We check that all input text is valid UTF-8.  Not sure why the code
was being lenient to invalid strings.
 2008-08-08 03:01:14 -04:00
Chris Wilson
5bac12252c [xlib] Free regions on failure. 
Fix leak of regions along error path.
 2008-08-08 01:48:43 +01:00
Jeff Muizelaar
16939e1a86 Center the group pattern transform around the device_transformed origin 
When popping a group, transform it by the ctm centered at the origin
specified by the device_transform so that it ends up in the right place
when we try to paint. This fixes the regressions caused by
1a9809baab as shown by the pdf backend.
 2008-08-07 19:25:40 -04:00
Jeff Muizelaar
e8ddbd1a14 Add a test case showing the invariance of push/pop_group 
This shows the regressions caused by
1a9809baab
 2008-08-07 19:25:40 -04:00
Chris Wilson
f916e2178b [meta] Use the pre-computed device_transform_inverse. 
Avoid repeatedly inverting the same matrix by using the pre-computed
inverse.
 2008-08-07 23:54:25 +01:00
Chris Wilson
523f725801 [meta] Remove debugging assert. 
Remove an old assertion that no error occurred.
 2008-08-07 22:00:30 +01:00
Vladimir Vukicevic
34eb420cc7 [misc] Remove trailing comma on enum 2008-08-07 13:25:02 -07:00
Chris Wilson
afdf3917ee [configure.in] Slight massage for recent Ubuntu autotools. 
Fix up a couple of minor complaints about possibly undefined macros,
cached conditional values and suggested improvements.
 2008-08-07 14:03:16 +01:00
Chris Wilson
7c1078b830 Check return from pixman_image_set_filter(). 
Adding warn_unused_result to pixman detected a couple of instances where
we abused the knowledge that the code currently can not fail, but in
deference to its independent existence we should be more cautious.
 2008-08-07 14:01:54 +01:00
Chris Wilson
56619a16dd [cairo-surface] Use the pre-computed device_transform_inverse. 
Avoid inverting the device_transform when copying the pattern for the
destination surface by using the pre-computed inverse.
 2008-08-07 08:30:57 +01:00
Chris Wilson
6a4ddb6f47 [pattern] Set the reference count for stack allocations to 0. 
Keep the reference count as zero for temporary, on-stack patterns in
order to detect attempts to keep references beyond their scope. (And
mismatched _init()/_destroy()).
 2008-08-07 08:30:09 +01:00
Chris Wilson
ae7bdd7ee0 [valgrind] More suppressions for XrmGetStringDatabase(). 
Another variation in the callstack needs suppressing.
 2008-08-07 08:29:14 +01:00
Behdad Esfahbod
64ba6c74db Fix Ubuntu-specific issue with FC_LCD_NONE et al 
No idea if Ubuntu will ever learn not to modify public API of
common libraries without any clue of what kind of problems they
create by doing that.  They could very well define
FC_UBUNTU_LCD_FILTER if they wanted to, but no, they defined
FC_LCD_FILTER as if it's an upstream thing.  It wasn't.
 2008-08-06 18:37:03 -04:00
Behdad Esfahbod
1dc0f3a1ad [test/user-font] Document that Poppler is buggy with glyph 0 2008-08-06 12:00:28 -04:00
Chris Wilson
0ec6c9ca62 [pdf] Propagate status from emit_glyph() 
Propagate the error status from _cairo_pdf_operators_emit_glyph().
 2008-08-06 11:11:24 +01:00
Chris Wilson
2dfee9986c [pdf] Fixup a couple of inverted tests. 
Check for NULL returns from malloc, instead of reporting errors and
leaking on success.
 2008-08-06 10:51:34 +01:00
Chris Wilson
7ffd8bbcb0 [cairo-font-options] Add private alias for set_lcd_filter() 
check-plt was rightfully claiming about an internal use of a public
symbol, so add the missing private alias.
 2008-08-06 00:36:47 +01:00
Behdad Esfahbod
221599ab0f Finish off lcd-filter merge 2008-08-05 16:36:05 -04:00
Behdad Esfahbod
19b36fb887 [win32] Fix build 2008-08-05 16:36:04 -04:00
Sylvain Pasche
65d017a406 Add tests for the new LCD filter API 2008-08-05 16:30:37 -04:00
Sylvain Pasche
45ec5e77bb Add symbols for setting the LCD filter type on font options 2008-08-05 16:30:37 -04:00
Sylvain Pasche
a0cad6c398 [cairo-ft] Interaction with Fontconfig to deal with the LCD filter type 2008-08-05 16:30:36 -04:00
Sylvain Pasche
f64cf7fb09 [cairo-xlib] Support to retrieve the LCD filter type from the Xrm database 2008-08-05 16:30:36 -04:00
Sylvain Pasche
28d18f3f93 [cairo-ft] Fontconfig defines for LCD constants when using Fontconfig < 2.6 
This adds define for compatibility when without the new lcd filtering
constants (Fontconfig patch not yet applied, see bug 13566).
 2008-08-05 16:30:36 -04:00
Sylvain Pasche
0013f2c269 Add lcd filter type to the public API and font options 
New struct cairo_lcd_filter_t and new functions
cairo_font_options_set_lcd_filter
cairo_font_options_get_lcd_filter
 2008-08-05 16:30:36 -04:00