Werner Lemberg
a50c39aa8e
Fix compilation errors and (some) warnings for clang++.
...
* src/autofit/afmodule.c (AF_GlyphHintsRec): Make it static.
* src/cache/ftcache.c (FTC_Cache_NewNode), src/cache/ftcsbits.c
(ftc_snode_compare): Remove semicolon.
* src/cff/cffparse.c (cff_parser_run): Add `break` statement.
* src/cid/cidload.c (cid_hex_to_binary): Add cast.
* src/sdf/ftbsdf.c (CHECK_NEIGHBOR): Use `do {} while(0)` loop.
(bsdf_init_distance_map, finalize_sdf, bsdf_raster_render): Add
casts.
* src/sdf/ftsdf.c (sdf_generate_bounding_box,
sdf_generate_with_overlaps): Ditto.
* src/sdf/ftsdfcommon.h (square_root): Ditto.
* src/sdf/ftsdfrend.c (sdf_property_get, ft_sdf_render,
ft_bsdf_render): Ditto.
* src/sfnt/ttcolr.c (find_base_glyph_record,
find_base_glyph_v1_record): Fix variable signedness.
(read_color_line): Add cast.
(read_paint): Add casts.
Fix signedness issue.
(tt_face_get_colorline_stops) Fix signedness issues.
* src/sfnt/ttpost.c (load_format_20): Add casts.
* src/truetype/ttsubpix.c (TWEAK_RULES, TWEAK_RULES_EXCEPTIONS):
Remove final semicolons.
2021-05-29 09:51:04 +02:00
Werner Lemberg
b6e8a71266
Update all copyright notices.
2021-01-17 07:18:48 +01:00
Werner Lemberg
aa1b5362d3
[sdf] Fix tracing.
...
* include/freetype/internal.fttrace.h: Add 'bsdf' component.
* src/sdf/ftbsdf.c, src/sdf/ftsdf.c (FT_COMPONENT): Define.
2020-12-24 08:32:04 +01:00
Werner Lemberg
04a6443254
[sdf] Add copyright notices.
2020-12-24 08:29:05 +01:00
Anuj Verma
6444875f68
[sdf] Add brief technical overview of both rasterizers.
2020-12-24 07:23:48 +01:00
Anuj Verma
d27d107f15
[sdf] Add interface functions for the 'bsdf' rasterizer.
...
* src/sdf/ftsdf.c (bsdf_raster_new, bsdf_raster_reset,
bsdf_raster_set_mode, bsdf_raster_render, bsdf_raster_done): New
functions.
(ft_bitmap_sdf_raster): New variable.
* src/sdf/ftsdf.h: Updated.
2020-12-24 07:23:48 +01:00
Anuj Verma
a21134751c
[sdf] Add function to copy SDF data into output bitmap.
...
* src/sdf/ftbsdf.c (finalize_sdf): New function.
2020-12-24 07:23:48 +01:00
Anuj Verma
e2ae96b978
[sdf] Add '8-point sequential Euclidean distance mapping' algorithm.
...
* src/sdf/ftbsdf.c (compare_neighbor, first_pass, second_pass,
edt8): New functions.
2020-12-24 07:23:48 +01:00
Anuj Verma
6b9a8044be
[sdf] Add function to copy source bitmap to distance map.
...
* src/sdf/ftbsdf.c (bsdf_init_distance_map): New function.
2020-12-24 07:23:48 +01:00
Anuj Verma
0f644f38e9
[sdf] Add functions to compute pixel edge distances.
...
* src/sdf/ftbsdf.c (compute_edge_distance, bsdf_approximate_edge):
New functions.
2020-12-24 07:23:48 +01:00
Anuj Verma
c576176461
[sdf] Add function to find edge pixels in a grid of alpha values.
...
* src/sdf/ftbsdf.c (bsdf_is_edge): New function.
2020-12-24 07:23:48 +01:00
Anuj Verma
9bbb3611b3
[sdf] Add essential structures for the 'bsdf' rasterizer.
...
* src/sdf/ftbsdf.c (ONE): New macro.
(BSDF_TRaster, ED, BSDF_Worker): New structures.
(zero_ed): New constant.
2020-12-24 07:23:48 +01:00
Anuj Verma
cd6ff28a17
[sdf] Add files for new 'sdf' module.
...
Here is a breakdown of what the files will contain.
* src/sdf/ftsdfrend.c, src/sdf/ftsdfrend.h: The 'sdf' and 'bsdf'
renderers.
* src/sdf/ftsdf.c, src/sdf/ftsdf.h: The rasterizer for the 'sdf'
renderer.
* src/sdf/ftbsdf.c, src/sdf/ftbsdf.h: The rasterizer for the 'bsdf'
renderer.
* src/sdf/ftsdfcommon.h: Commmon properties and functions for both
rasterizers.
* src/sdf/ftsdferrs.h: Common error defines.
* src/sdf/sdf.c: For building a single object of the entire module.
2020-12-24 07:23:47 +01:00
