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6839 Commits

Author SHA1 Message Date
Anuj Verma 1e3c41d19e [sdf] Added bounding box optimization. 2020-08-02 16:33:18 +05:30
preversewharf45 1d5d8ff288 * src/sdf/ftsdfrend.c (sdf_shape_dump): Use `%ld' to printf `signed long'. 2020-08-02 16:33:18 +05:30
Anuj Verma 44e16a0be6 * src/sdf/ftsdfrend.c (ft_sdf_render): Don't negate unsigned integers. 2020-08-02 16:33:18 +05:30
Anuj Verma 4fcc1653ca * src/sdf/ftsdf.c: Use ASCII single quote ('). 2020-08-02 16:33:18 +05:30
Anuj Verma ddf631729e [sdf] Added function to find shortest distance from a point to a cubic. 2020-08-02 16:33:18 +05:30
Anuj Verma 5baa2cefc6 * src/sdf/ftsdf.c (sdf_contour_get_min_distance): Use epsilon. 2020-08-02 16:33:18 +05:30
Anuj Verma 76e67227ec * src/sdf/ftsdf.c (sdf_shape_dump): Add more info to the debug output. 2020-08-02 16:33:18 +05:30
Anuj Verma 3e52d1a7a8 * src/sdf/ftsdf.c (MAX_NEWTON_DIVISIONS): Renamed to avoid confusion. 2020-08-02 16:33:18 +05:30
Anuj Verma 363f1e8de1 [sdf] Added Newton's method for conic curve. 2020-08-02 16:33:17 +05:30
Anuj Verma be3b7d7945 * src/sdf/ftsdf.c: More comments and code style fix. 2020-08-02 16:33:17 +05:30
Anuj Verma d0e3074738 [sdf] Make squared distances toggleable. 2020-08-02 16:33:17 +05:30
Anuj Verma 97474a7072 * src/sdf/ftsdf.c (get_min_distance_conic): Use 0, 1 in case of 0 roots. 2020-08-02 16:33:17 +05:30
Anuj Verma f9b4f37433 [sdf] Added function to find shortest distance from a point to a conic. 2020-08-02 16:33:17 +05:30
Anuj Verma 5cbcab183a * src/sdf/ftsdf.c (get_min_distance_line): Minor bug 2020-08-02 16:33:17 +05:30
Anuj Verma c8e3c5a420 * src/sdf/ftsdf.c: Refactored the code. 2020-08-02 16:33:17 +05:30
Anuj Verma f1de833a9d [sdf] Added functions to solve polynomial equations. 2020-08-02 16:33:17 +05:30
Anuj Verma 92a5312036 * src/sdf/ftsdf.c: Use FT_16D16 instead of FT_Fixed to avoid confusion. 2020-08-02 16:33:17 +05:30
Anuj Verma 811b6a7177 * src/sdf/ftsdf.c (cube_root, arc_cos): Added a few math functions. 2020-08-02 16:33:17 +05:30
Anuj Verma 38df99a1b4 [sdf] Fixed compilation under gnumake. 2020-08-02 16:33:17 +05:30
Anuj Verma 96883decbb [sdf] Added function to resolve corners. 2020-08-02 16:33:17 +05:30
Anuj Verma 03e6debb80 [sdf] The module can now generate SDF for outline with only lines. 2020-08-02 16:33:17 +05:30
Anuj Verma 063b65d583 [sdf] Added function to find shortest distance from a point to a line. 2020-08-02 16:33:17 +05:30
Anuj Verma 186cc478ae * src/sdf/ftsdf.c: Manually iterate through the lists. 2020-08-02 16:33:17 +05:30
Anuj Verma e9fce03032 [sdf] Added basic outline of the functions required to generate sdf. 2020-08-02 16:33:17 +05:30
Anuj Verma 6d4e00ae37 [sdf] Added `SDF_Raster_Params'. 2020-08-02 16:33:17 +05:30
Anuj Verma 3ebcbd7066 * include/freetype/ftimage.h (FT_RASTER_FLAG_): Added a new raster flag. 2020-08-02 16:33:16 +05:30
Anuj Verma f02d1acb89 * src/sdf/ftsdf.c (sdf_shape_dump): Use `FT_TRACEX' instead of `printf'. 2020-08-02 16:33:16 +05:30
Anuj Verma 63c2ac5fae * src/sdf/ftsdf.c (sdf_shape_dump): Added debugging function. 2020-08-02 16:33:16 +05:30
Anuj Verma 2f0d349d8c [sdf] Added functions to de-allocate `SDF_' structs. 2020-08-02 16:33:16 +05:30
Anuj Verma 54ff90398a [sdf] Decompose outline and store it in a `SDF_Shape'. 2020-08-02 16:33:16 +05:30
Anuj Verma 38bc88ae6f [sdf] Added essential enums and structs required. 2020-08-02 16:33:16 +05:30
Anuj Verma d21ceef7b4 [sdf] Added functionality to set and get module properties. 2020-08-02 16:33:16 +05:30
Anuj Verma 29c92db771 [sdf] Implemented a few functions required by a renderer module. 2020-08-02 16:33:16 +05:30
Anuj Verma c9d1149923 * include/freetype/ftimage.h (FT_Render_Mode_): Added new pixel mode. 2020-08-02 16:33:16 +05:30
Anuj Verma 08ba8d1422 added new `FT_RENDER_MODE_SDF' 2020-08-02 16:33:16 +05:30
Anuj Verma e408bda4f9 author check 2020-08-02 16:33:16 +05:30
preversewharf45 185d07b0cd added the structure of new `sdf' module 2020-08-02 16:33:16 +05:30
Alexei Podtelezhnikov 986a340dd5 Unbreak compilation. 2020-07-28 23:20:59 -04:00
Alexei Podtelezhnikov f76f7fdecd Hide internal functions with SunPro. 
* include/freetype/internal/compiler-macros.h
(FT_INTERNAL_FUNCTION_ATTRIBUTE) <__SUNPRO_C>: Define as __hidden.
 2020-07-28 23:13:51 -04:00
Anuj Verma 3273521f40 Fix static compilation with Visual C. 
* include/freetype/internal/compiler-macros.h
(FT_INTERNAL_FUNCTION_ATTRIBUTE) <_WIN32>: Define as empty.
 2020-07-28 18:34:37 +02:00
Werner Lemberg fffc303a7f Formatting, improving comments. 2020-07-28 18:33:15 +02:00
Priyesh Kumar 53be1753de Fix `-Wformat' compiler warnings. 
* src/*: Fix format specifiers.

* builds/unix/ftsystem.c (FT_Stream_Open): Ditto.
 2020-07-28 07:33:40 +02:00
Werner Lemberg 8cfc41ae95 Fix `-Wformat' compiler warnings. 
Problem reported by Priyesh kumar <priyeshkkumar@gmail.com>

* src/base/ftoutln.c (FT_Outline_Decompose): Fix number of arguments
to tracing macro.

* src/bdf/bdfdrivr.c (bdf_cmap_char_next, bdf_get_bdf_property):
Ditto.

* src/cache/ftcbasic.c (ftc_basic_family_get_count): Ditto.
Reformulate message.

* src/pcf/pcfdrivr.c (pcf_get_bdf_property): Ditto.

* src/sfnt/sfwoff2.c (woff2_open_font): Ditto.
Trace table offset, too.

* src/truetype/ttgxvar.c (ft_var_apply_tuple): Ditto.
 2020-07-25 12:23:22 +02:00
Werner Lemberg b6183ea369 * src/sfnt/sfwoff2.c (woff2_decompress): Fix compiler warning. 
Reported by Hin-Tak.
 2020-07-23 13:03:22 +02:00
David Turner ee19a6cbbc Add .clang-format file 
This file can be used to reformat FreeType sources and commits
using one of these methods:

- Direct formatting of a whole file:

    clang-format -i path/to/file

  For example, to reformat all sources at once:

    echo builds/unix/ftconfig.h.in $(git ls-files *.[hc]) | xargs clang-format -i

- Only reformat the changed lines in the current work directoy:

    git clang-format

The style settings in this file are very close to the FreeType
formatting style, with the following exceptions which are not supported
here:

- Mminimal 2-space margin on each non-empty line.
  (no left margin instead).

- 2 empty lines between variable declarations and statements in C blocks.
  (only 1 is kept).

    {
      int  x = ...;

      foo(x);
    }

  becomes

    {
      int x = ...;

      foo(x);
    }

- Aignment of declarations uses 2 spaces to separate types and variable
  names (only 1 space is kept).

     int  x;    =>   int x;
     int  y;         int y;

- The start used for output parameters in function signature should be
  near the variable name (always near the type).

    void foo(int* input_ptr, int *output_ptr)
      => void foo(int* input_ptr, int* output_ptr)
 2020-07-16 15:51:06 +02:00
Werner Lemberg b7c467b6ef [doc] Stem darkening is off by default for CFF driver. 
Bug reported by Ishi Tatsuyuki <ishitatsuyuki@gmail.com>.
 2020-07-15 09:15:25 +02:00
David Turner 5fe7c044c2 freetype.h (FT_Set_Transform): Minor documentation update. 
In order to mention the limited accuracy of `FT_Matrix' coefficients
and encourage client code to perform the transform themselves with
floating point values instead.
 2020-07-14 16:25:59 +02:00
Werner Lemberg 95de21ab19 README: Add information on contributing patches. 2020-07-14 08:32:45 +02:00
Werner Lemberg c922ffa5d2 * builds/unix/configure.raw: Fix inclusion of `ftoption.h'. 2020-07-12 07:52:55 +02:00
Ben Wagner b1286b32a9 Document `FT_Face_Rec_::box' with variable fonts (#54969). 
As pointed out in the "Note:" in the section of

  https://docs.microsoft.com/en-us/typography/opentype/spec/otvaroverview#variation-data-tables-and-miscellaneous-requirements

  ... the xMin, yMin, xMax, yMax, macStyle and lowestRecPPEM fields in
  the font header ('head') table are not supported by variation data and
  should only be used in relation to the default instance for the font.

Document that `FT_Face_Rec_::box' does not vary with OpenType variable
fonts.
 2020-07-10 18:07:11 +02:00