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-rw-r--r--src/3rdparty/harfbuzz-ng/src/test-ot-color.cc348
1 files changed, 0 insertions, 348 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/test-ot-color.cc b/src/3rdparty/harfbuzz-ng/src/test-ot-color.cc
deleted file mode 100644
index 88924b4473..0000000000
--- a/src/3rdparty/harfbuzz-ng/src/test-ot-color.cc
+++ /dev/null
@@ -1,348 +0,0 @@
-/*
- * Copyright © 2018 Ebrahim Byagowi
- * Copyright © 2018 Khaled Hosny
- *
- * This is part of HarfBuzz, a text shaping library.
- *
- * Permission is hereby granted, without written agreement and without
- * license or royalty fees, to use, copy, modify, and distribute this
- * software and its documentation for any purpose, provided that the
- * above copyright notice and the following two paragraphs appear in
- * all copies of this software.
- *
- * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
- * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
- * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
- * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
- * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
- * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
- */
-
-#include "hb.hh"
-
-#include <cairo.h>
-
-#ifdef HB_NO_OPEN
-#define hb_blob_create_from_file(x) hb_blob_get_empty ()
-#endif
-
-#if !defined(HB_NO_COLOR) && defined(CAIRO_HAS_SVG_SURFACE)
-
-#include "hb-ot.h"
-
-#include "hb-ft.h"
-
-#include <ft2build.h>
-#include FT_FREETYPE_H
-#include FT_GLYPH_H
-
-#include <cairo-ft.h>
-#include <cairo-svg.h>
-
-#include <stdlib.h>
-#include <stdio.h>
-
-static void
-svg_dump (hb_face_t *face, unsigned int face_index)
-{
- unsigned glyph_count = hb_face_get_glyph_count (face);
-
- for (unsigned int glyph_id = 0; glyph_id < glyph_count; glyph_id++)
- {
- hb_blob_t *blob = hb_ot_color_glyph_reference_svg (face, glyph_id);
-
- if (hb_blob_get_length (blob) == 0) continue;
-
- unsigned int length;
- const char *data = hb_blob_get_data (blob, &length);
-
- char output_path[255];
- sprintf (output_path, "out/svg-%u-%u.svg%s",
- glyph_id,
- face_index,
- // append "z" if the content is gzipped, https://stackoverflow.com/a/6059405
- (length > 2 && (data[0] == '\x1F') && (data[1] == '\x8B')) ? "z" : "");
-
- FILE *f = fopen (output_path, "wb");
- fwrite (data, 1, length, f);
- fclose (f);
-
- hb_blob_destroy (blob);
- }
-}
-
-/* _png API is so easy to use unlike the below code, don't get confused */
-static void
-png_dump (hb_face_t *face, unsigned int face_index)
-{
- unsigned glyph_count = hb_face_get_glyph_count (face);
- hb_font_t *font = hb_font_create (face);
-
- /* scans the font for strikes */
- unsigned int sample_glyph_id;
- /* we don't care about different strikes for different glyphs at this point */
- for (sample_glyph_id = 0; sample_glyph_id < glyph_count; sample_glyph_id++)
- {
- hb_blob_t *blob = hb_ot_color_glyph_reference_png (font, sample_glyph_id);
- unsigned int blob_length = hb_blob_get_length (blob);
- hb_blob_destroy (blob);
- if (blob_length != 0)
- break;
- }
-
- unsigned int upem = hb_face_get_upem (face);
- unsigned int blob_length = 0;
- unsigned int strike = 0;
- for (unsigned int ppem = 1; ppem < upem; ppem++)
- {
- hb_font_set_ppem (font, ppem, ppem);
- hb_blob_t *blob = hb_ot_color_glyph_reference_png (font, sample_glyph_id);
- unsigned int new_blob_length = hb_blob_get_length (blob);
- hb_blob_destroy (blob);
- if (new_blob_length != blob_length)
- {
- for (unsigned int glyph_id = 0; glyph_id < glyph_count; glyph_id++)
- {
- hb_blob_t *blob = hb_ot_color_glyph_reference_png (font, glyph_id);
-
- if (hb_blob_get_length (blob) == 0) continue;
-
- unsigned int length;
- const char *data = hb_blob_get_data (blob, &length);
-
- char output_path[255];
- sprintf (output_path, "out/png-%u-%u-%u.png", glyph_id, strike, face_index);
-
- FILE *f = fopen (output_path, "wb");
- fwrite (data, 1, length, f);
- fclose (f);
-
- hb_blob_destroy (blob);
- }
-
- strike++;
- blob_length = new_blob_length;
- }
- }
-
- hb_font_destroy (font);
-}
-
-static void
-layered_glyph_dump (hb_face_t *face, cairo_font_face_t *cairo_face, unsigned int face_index)
-{
- unsigned int upem = hb_face_get_upem (face);
-
- unsigned glyph_count = hb_face_get_glyph_count (face);
- for (hb_codepoint_t gid = 0; gid < glyph_count; ++gid)
- {
- unsigned int num_layers = hb_ot_color_glyph_get_layers (face, gid, 0, nullptr, nullptr);
- if (!num_layers)
- continue;
-
- hb_ot_color_layer_t *layers = (hb_ot_color_layer_t*) malloc (num_layers * sizeof (hb_ot_color_layer_t));
-
- hb_ot_color_glyph_get_layers (face, gid, 0, &num_layers, layers);
- if (num_layers)
- {
- // Measure
- cairo_text_extents_t extents;
- {
- cairo_surface_t *surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 1, 1);
- cairo_t *cr = cairo_create (surface);
- cairo_set_font_face (cr, cairo_face);
- cairo_set_font_size (cr, upem);
-
- cairo_glyph_t *glyphs = (cairo_glyph_t *) calloc (num_layers, sizeof (cairo_glyph_t));
- for (unsigned int j = 0; j < num_layers; ++j)
- glyphs[j].index = layers[j].glyph;
- cairo_glyph_extents (cr, glyphs, num_layers, &extents);
- free (glyphs);
- cairo_surface_destroy (surface);
- cairo_destroy (cr);
- }
-
- // Add a slight margin
- extents.width += extents.width / 10;
- extents.height += extents.height / 10;
- extents.x_bearing -= extents.width / 20;
- extents.y_bearing -= extents.height / 20;
-
- // Render
- unsigned int palette_count = hb_ot_color_palette_get_count (face);
- for (unsigned int palette = 0; palette < palette_count; palette++)
- {
- unsigned int num_colors = hb_ot_color_palette_get_colors (face, palette, 0, nullptr, nullptr);
- if (!num_colors)
- continue;
-
- hb_color_t *colors = (hb_color_t*) calloc (num_colors, sizeof (hb_color_t));
- hb_ot_color_palette_get_colors (face, palette, 0, &num_colors, colors);
- if (num_colors)
- {
- char output_path[255];
- sprintf (output_path, "out/colr-%u-%u-%u.svg", gid, palette, face_index);
-
- cairo_surface_t *surface = cairo_svg_surface_create (output_path, extents.width, extents.height);
- cairo_t *cr = cairo_create (surface);
- cairo_set_font_face (cr, cairo_face);
- cairo_set_font_size (cr, upem);
-
- for (unsigned int layer = 0; layer < num_layers; ++layer)
- {
- hb_color_t color = 0x000000FF;
- if (layers[layer].color_index != 0xFFFF)
- color = colors[layers[layer].color_index];
- cairo_set_source_rgba (cr,
- hb_color_get_red (color) / 255.,
- hb_color_get_green (color) / 255.,
- hb_color_get_blue (color) / 255.,
- hb_color_get_alpha (color) / 255.);
-
- cairo_glyph_t glyph;
- glyph.index = layers[layer].glyph;
- glyph.x = -extents.x_bearing;
- glyph.y = -extents.y_bearing;
- cairo_show_glyphs (cr, &glyph, 1);
- }
-
- cairo_surface_destroy (surface);
- cairo_destroy (cr);
- }
- free (colors);
- }
- }
-
- free (layers);
- }
-}
-
-static void
-dump_glyphs (cairo_font_face_t *cairo_face, unsigned int upem,
- unsigned int num_glyphs, unsigned int face_index)
-{
- for (unsigned int i = 0; i < num_glyphs; ++i)
- {
- cairo_text_extents_t extents;
- cairo_glyph_t glyph = {0};
- glyph.index = i;
-
- // Measure
- {
- cairo_surface_t *surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 1, 1);
- cairo_t *cr = cairo_create (surface);
- cairo_set_font_face (cr, cairo_face);
- cairo_set_font_size (cr, upem);
-
- cairo_glyph_extents (cr, &glyph, 1, &extents);
- cairo_surface_destroy (surface);
- cairo_destroy (cr);
- }
-
- // Add a slight margin
- extents.width += extents.width / 10;
- extents.height += extents.height / 10;
- extents.x_bearing -= extents.width / 20;
- extents.y_bearing -= extents.height / 20;
-
- // Render
- {
- char output_path[255];
- sprintf (output_path, "out/%u-%u.svg", face_index, i);
- cairo_surface_t *surface = cairo_svg_surface_create (output_path, extents.width, extents.height);
- cairo_t *cr = cairo_create (surface);
- cairo_set_font_face (cr, cairo_face);
- cairo_set_font_size (cr, upem);
- glyph.x = -extents.x_bearing;
- glyph.y = -extents.y_bearing;
- cairo_show_glyphs (cr, &glyph, 1);
- cairo_surface_destroy (surface);
- cairo_destroy (cr);
- }
- }
-}
-
-int
-main (int argc, char **argv)
-{
- if (argc != 2) {
- fprintf (stderr, "usage: %s font-file.ttf\n"
- "run it like `rm -rf out && mkdir out && %s font-file.ttf`\n",
- argv[0], argv[0]);
- exit (1);
- }
-
-
- FILE *font_name_file = fopen ("out/.dumped_font_name", "r");
- if (font_name_file != nullptr)
- {
- fprintf (stderr, "Purge or move ./out folder in order to run a new dump\n");
- exit (1);
- }
-
- font_name_file = fopen ("out/.dumped_font_name", "w");
- if (font_name_file == nullptr)
- {
- fprintf (stderr, "./out is not accessible as a folder, create it please\n");
- exit (1);
- }
- fwrite (argv[1], 1, strlen (argv[1]), font_name_file);
- fclose (font_name_file);
-
- hb_blob_t *blob = hb_blob_create_from_file (argv[1]);
- unsigned int num_faces = hb_face_count (blob);
- if (num_faces == 0)
- {
- fprintf (stderr, "error: The file (%s) was corrupted, empty or not found", argv[1]);
- exit (1);
- }
-
- for (unsigned int face_index = 0; face_index < hb_face_count (blob); face_index++)
- {
- hb_face_t *face = hb_face_create (blob, face_index);
- hb_font_t *font = hb_font_create (face);
-
- if (hb_ot_color_has_png (face)) printf ("Dumping png (cbdt/sbix)...\n");
- png_dump (face, face_index);
-
- if (hb_ot_color_has_svg (face)) printf ("Dumping svg...\n");
- svg_dump (face, face_index);
-
- cairo_font_face_t *cairo_face;
- {
- FT_Library library;
- FT_Init_FreeType (&library);
- FT_Face ft_face;
- FT_New_Face (library, argv[1], 0, &ft_face);
- cairo_face = cairo_ft_font_face_create_for_ft_face (ft_face, 0);
- }
- if (hb_ot_color_has_layers (face) && hb_ot_color_has_palettes (face))
- printf ("Dumping layered color glyphs...\n");
- layered_glyph_dump (face, cairo_face, face_index);
-
- unsigned int num_glyphs = hb_face_get_glyph_count (face);
- unsigned int upem = hb_face_get_upem (face);
-
- // disabled when color font as cairo rendering of NotoColorEmoji is soooo slow
- if (!hb_ot_color_has_layers (face) &&
- !hb_ot_color_has_png (face) &&
- !hb_ot_color_has_svg (face))
- dump_glyphs (cairo_face, upem, num_glyphs, face_index);
-
- hb_font_destroy (font);
- hb_face_destroy (face);
- }
-
- hb_blob_destroy (blob);
-
- return 0;
-}
-
-#else
-int main (int argc, char **argv) { return 0; }
-#endif
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