kc3-lang/harfbuzz/perf/perf-extents.hh

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• Hash : 5f9ff04f
  Author :
  Date : 2020-06-18T02:33:05
  

  Add comparison against ttf-parser
  

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• perf/perf-extents.hh

• #include "benchmark/benchmark.h"
  
  #include "hb.h"
  #include "hb-ft.h"
  #include "hb-ot.h"
  
  #ifdef HAVE_TTFPARSER
  #include "ttfparser.h"
  #endif
  
  static void extents (benchmark::State &state, const char *font_path, bool is_var, backend_t backend)
  {
    hb_font_t *font;
    unsigned num_glyphs;
    {
      hb_blob_t *blob = hb_blob_create_from_file (font_path);
      assert (hb_blob_get_length (blob));
      hb_face_t *face = hb_face_create (blob, 0);
      hb_blob_destroy (blob);
      num_glyphs = hb_face_get_glyph_count (face);
      font = hb_font_create (face);
      hb_face_destroy (face);
    }
  
    if (is_var)
    {
      hb_variation_t wght = {HB_TAG ('w','g','h','t'), 500};
      hb_font_set_variations (font, &wght, 1);
    }
  
    if (backend == HARFBUZZ || backend == FREETYPE)
    {
      if (backend == FREETYPE)
      {
        hb_ft_font_set_funcs (font);
        hb_ft_font_set_load_flags (font, FT_LOAD_NO_HINTING | FT_LOAD_NO_SCALE);
      }
  
      hb_glyph_extents_t extents;
      for (auto _ : state)
        for (unsigned gid = 0; gid < num_glyphs; ++gid)
  	hb_font_get_glyph_extents (font, gid, &extents);
    }
    else if (backend == TTF_PARSER)
    {
  #ifdef HAVE_TTFPARSER
      ttfp_face *tp_font = (ttfp_face *) malloc (ttfp_face_size_of ());
      hb_blob_t *blob = hb_face_reference_blob (hb_font_get_face (font));
      assert (ttfp_face_init (hb_blob_get_data (blob, nullptr), hb_blob_get_length (blob), 0, tp_font));
      if (is_var) ttfp_set_variation (tp_font, TTFP_TAG('w','g','h','t'), 500);
  
      ttfp_rect bbox;
      for (auto _ : state)
        for (unsigned gid = 0; gid < num_glyphs; ++gid)
  	ttfp_get_glyph_bbox(tp_font, gid, &bbox);
  
      hb_blob_destroy (blob);
      free (tp_font);
  #endif
    }
  
    hb_font_destroy (font);
  }
  
  #define FONT_BASE_PATH "test/subset/data/fonts/"
  
  BENCHMARK_CAPTURE (extents, cff - ot - SourceSansPro, FONT_BASE_PATH "SourceSansPro-Regular.otf", false, HARFBUZZ);
  BENCHMARK_CAPTURE (extents, cff - ft - SourceSansPro, FONT_BASE_PATH "SourceSansPro-Regular.otf", false, FREETYPE);
  BENCHMARK_CAPTURE (extents, cff - tp - SourceSansPro, FONT_BASE_PATH "SourceSansPro-Regular.otf", false, TTF_PARSER);
  
  BENCHMARK_CAPTURE (extents, cff2 - ot - AdobeVFPrototype, FONT_BASE_PATH "AdobeVFPrototype.otf", false, HARFBUZZ);
  BENCHMARK_CAPTURE (extents, cff2 - ft - AdobeVFPrototype, FONT_BASE_PATH "AdobeVFPrototype.otf", false, FREETYPE);
  BENCHMARK_CAPTURE (extents, cff2 - tp - AdobeVFPrototype, FONT_BASE_PATH "AdobeVFPrototype.otf", false, TTF_PARSER);
  
  BENCHMARK_CAPTURE (extents, cff2/vf - ot - AdobeVFPrototype, FONT_BASE_PATH "AdobeVFPrototype.otf", true, HARFBUZZ);
  BENCHMARK_CAPTURE (extents, cff2/vf - ft - AdobeVFPrototype, FONT_BASE_PATH "AdobeVFPrototype.otf", true, FREETYPE);
  BENCHMARK_CAPTURE (extents, cff2/vf - tp - AdobeVFPrototype, FONT_BASE_PATH "AdobeVFPrototype.otf", true, TTF_PARSER);
  
  BENCHMARK_CAPTURE (extents, glyf - ot - SourceSerifVariable, FONT_BASE_PATH "SourceSerifVariable-Roman.ttf", false, HARFBUZZ);
  BENCHMARK_CAPTURE (extents, glyf - ft - SourceSerifVariable, FONT_BASE_PATH "SourceSerifVariable-Roman.ttf", false, FREETYPE);
  BENCHMARK_CAPTURE (extents, glyf - tp - SourceSerifVariable, FONT_BASE_PATH "SourceSerifVariable-Roman.ttf", false, TTF_PARSER);
  
  BENCHMARK_CAPTURE (extents, glyf/vf - ot - SourceSerifVariable, FONT_BASE_PATH "SourceSerifVariable-Roman.ttf", true, HARFBUZZ);
  BENCHMARK_CAPTURE (extents, glyf/vf - ft - SourceSerifVariable, FONT_BASE_PATH "SourceSerifVariable-Roman.ttf", true, FREETYPE);
  BENCHMARK_CAPTURE (extents, glyf/vf - tp - SourceSerifVariable, FONT_BASE_PATH "SourceSerifVariable-Roman.ttf", true, TTF_PARSER);
  
  BENCHMARK_CAPTURE (extents, glyf - ot - Comfortaa, FONT_BASE_PATH "Comfortaa-Regular-new.ttf", false, HARFBUZZ);
  BENCHMARK_CAPTURE (extents, glyf - ft - Comfortaa, FONT_BASE_PATH "Comfortaa-Regular-new.ttf", false, FREETYPE);
  BENCHMARK_CAPTURE (extents, glyf - tp - Comfortaa, FONT_BASE_PATH "Comfortaa-Regular-new.ttf", false, TTF_PARSER);
  
  BENCHMARK_CAPTURE (extents, glyf/vf - ot - Comfortaa, FONT_BASE_PATH "Comfortaa-Regular-new.ttf", true, HARFBUZZ);
  BENCHMARK_CAPTURE (extents, glyf/vf - ft - Comfortaa, FONT_BASE_PATH "Comfortaa-Regular-new.ttf", true, FREETYPE);
  BENCHMARK_CAPTURE (extents, glyf/vf - tp - Comfortaa, FONT_BASE_PATH "Comfortaa-Regular-new.ttf", true, TTF_PARSER);
  
  BENCHMARK_CAPTURE (extents, glyf - ot - Roboto, FONT_BASE_PATH "Roboto-Regular.ttf", false, HARFBUZZ);
  BENCHMARK_CAPTURE (extents, glyf - ft - Roboto, FONT_BASE_PATH "Roboto-Regular.ttf", false, FREETYPE);
  BENCHMARK_CAPTURE (extents, glyf - tp - Roboto, FONT_BASE_PATH "Roboto-Regular.ttf", false, TTF_PARSER);
  
  

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