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34 Commits

Author SHA1 Message Date
Behdad Esfahbod e886b6b8a6 [test-draw] Use a larger scale 
A scale of 20 is in the noise category for us. Using a larger
scale makes the test pass.
 2023-01-09 10:31:28 -07:00
Matthias Clasen 347910fd4c Add a draw test 
This test compares output between ft and ot
font funcs.
 2023-01-09 10:31:28 -07:00
Behdad Esfahbod 3c972867b9 More s/hb_font_get_glyph_shape/hb_font_draw_glyph/ 2022-12-23 13:37:59 -07:00
Behdad Esfahbod d3308f4713 [font] Optimize font scaling further 2022-06-27 11:28:57 -06:00
Behdad Esfahbod 556e7078f0 [font] Optimize glyph scaling 2022-06-26 17:48:43 -06:00
Ebrahim Byagowi 6b75a30a73 [draw/test] Swap a freetype test case with a simpler one 
As CI failure, apparently the my local freetype and CI one have different
result so let's switch the case with a simpler one just to test quadratic command
is emitted correctly.
 2022-02-14 01:54:33 +03:30
Behdad Esfahbod ae223764a3 [test/draw] Typo 2022-02-13 15:39:14 -06:00
Ebrahim Byagowi 0429921c10 [draw/test] Add test for freetype callback 
Let's have that part of the code also covered.
 2022-02-14 00:18:13 +03:30
Ebrahim Byagowi d4588204e5 [draw/glyf] Emit empty contours 
This makes it actually match freetype behaviour even though rasterizer
should filter such contours specially for stroking.

See https://github.com/harfbuzz/harfbuzz/pull/3411#discussion_r802283827 for the context.
 2022-02-13 23:50:53 +03:30
Khaled Hosny 0e357c504c [draw] Test scaling subfont differently from parent 2022-02-13 13:21:15 -06:00
Khaled Hosny aca80a4a40 [draw] Add test for applying synthetic slant 2022-02-13 13:21:15 -06:00
Khaled Hosny 052fd2d8b9 [draw] Add test for hb_draw_move_to() etc 2022-02-13 13:21:15 -06:00
Behdad Esfahbod f1a9a9ccaf [draw-state] Pass state down to callbacks 2022-02-13 13:21:14 -06:00
Behdad Esfahbod 9f05362d43 [test-draw] Fix compiler warning 2022-02-13 13:21:14 -06:00
Behdad Esfahbod 1740916ede [draw] Remove check for no-op 
This is unnecessary overhead. Up to rasterizers to handle this.  Plus,
this throws off point-numbers in uses that rely on it.

Disabled one test that broke with this.
 2022-02-13 13:21:14 -06:00
Behdad Esfahbod 5610fa1da0 [test-draw] Re-enable two disabled tests 2022-02-13 13:21:14 -06:00
Behdad Esfahbod 8b4f429000 [draw] Virtualize hb_font_draw_glyph() into hb_font_get_glyph_shape() 
To be implemented in hb-ft.
 2022-02-13 13:21:14 -06:00
Behdad Esfahbod 2bed4f46fb [draw] Fix draw signatures 2022-02-13 13:21:14 -06:00
Behdad Esfahbod 5207ce828a [draw] Enable draw tests 
Disable two failing ones.
 2022-02-13 13:21:14 -06:00
Behdad Esfahbod 157caf254e [test-draw] Fix compiler warning 2022-02-13 13:21:14 -06:00
justvanrossum 1551f3d518 fixing more expected test results 2021-02-19 16:53:21 -07:00
Ebrahim Byagowi 831b090001 rebase draw test as recent roundf changes 2020-06-28 14:31:21 +04:30
Ebrahim Byagowi 755a77d660 Move outline draw API behind HB_EXPERIMENTAL_API directive 2020-03-13 08:25:53 +03:30
Ebrahim Byagowi 44169f3396
[draw] Fix invalid rendering of some glyph on Estedad-VF 
Basically reverts 11f3fca so I can do the same tested and better later

Fixes #2215
 2020-02-29 16:04:03 +03:30
Ebrahim Byagowi 84163c83d3 [draw] Skip commands and paths not contributing anything 
They aren't contributing to rendering and making issue for stroking, let's skip them
ourselves as Skia does also https://skia-review.googlesource.com/c/skia/+/268166

They are useful for extracting extents and so which that functionality won't be effected by this change.
 2020-02-26 16:09:28 +03:30
Ebrahim Byagowi 0cf050a7b1 [draw] Merge consequent move-to commands of CFF/CFF2 2020-02-23 23:23:50 +03:30
Ebrahim Byagowi 86bd5a0ba1 [draw] End CFF paths with a line-to 
Issue a line-to command when start and end point of a path isn't same, matches freetype also.
 2020-02-23 23:23:50 +03:30
Ebrahim Byagowi 60f8f384f9 [glyf] Switch to ttf-parser's glyf to path algorithm 
It consumes each point at a time and doesn't need to know contour size before hand
 2020-02-18 00:49:09 +03:30
Ebrahim Byagowi b4d3bf1d8a [draw] Add hb_draw_funcs_is_immutable and hb_draw_funcs_make_immutable 2020-02-06 11:52:32 +03:30
Ebrahim Byagowi 63b8190db8 [test] minor 
Remained from previous naming.
 2020-02-06 11:38:35 +03:30
Ebrahim Byagowi 3a98c7fae1 [glyf] Skip empty contours 
As https://savannah.nongnu.org/bugs/index.php?57701
 2020-02-06 11:35:48 +03:30
Ebrahim Byagowi d106900bfd [draw][glyf] Implement quadratic to cubic call translation 2020-01-28 15:27:27 +03:30
Ebrahim Byagowi 74fdcdcac8 [draw] Rename conic_to to quadratic_to 2020-01-28 13:45:22 +03:30
Ebrahim Byagowi ac81e94016 Rename hb_outline_decompose to hb_font_draw_glyph and hb_outline_decompose_funcs_t to hb_draw_funcs_t 2020-01-28 13:24:49 +03:30