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-rw-r--r--src/dump-emoji.cc263
1 files changed, 0 insertions, 263 deletions
diff --git a/src/dump-emoji.cc b/src/dump-emoji.cc
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--- a/src/dump-emoji.cc
+++ /dev/null
@@ -1,263 +0,0 @@
-/*
- * Copyright © 2018 Ebrahim Byagowi
- *
- * 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-static.cc"
-#include "hb-ot-color-cbdt-table.hh"
-#include "hb-ot-color-colr-table.hh"
-#include "hb-ot-color-cpal-table.hh"
-#include "hb-ot-color-sbix-table.hh"
-#include "hb-ot-color-svg-table.hh"
-
-#include "hb-ft.h"
-
-#include <ft2build.h>
-#include FT_FREETYPE_H
-#include FT_GLYPH_H
-
-#include <cairo.h>
-#include <cairo-ft.h>
-#include <cairo-svg.h>
-
-#ifdef HAVE_GLIB
-#include <glib.h>
-#endif
-#include <stdlib.h>
-#include <stdio.h>
-
-void cbdt_callback (const uint8_t* data, unsigned int length,
- unsigned int group, unsigned int gid)
-{
- char output_path[255];
- sprintf (output_path, "out/cbdt-%d-%d.png", group, gid);
- FILE *f = fopen (output_path, "wb");
- fwrite (data, 1, length, f);
- fclose (f);
-}
-
-void sbix_callback (const uint8_t* data, unsigned int length,
- unsigned int group, unsigned int gid)
-{
- char output_path[255];
- sprintf (output_path, "out/sbix-%d-%d.png", group, gid);
- FILE *f = fopen (output_path, "wb");
- fwrite (data, 1, length, f);
- fclose (f);
-}
-
-void svg_callback (const uint8_t* data, unsigned int length,
- unsigned int start_glyph, unsigned int end_glyph)
-{
- char output_path[255];
- if (start_glyph == end_glyph)
- sprintf (output_path, "out/svg-%d.svg", start_glyph);
- else
- sprintf (output_path, "out/svg-%d-%d.svg", start_glyph, end_glyph);
-
- // append "z" if the content is gzipped
- if ((data[0] == 0x1F) && (data[1] == 0x8B))
- strcat (output_path, "z");
-
- FILE *f = fopen (output_path, "wb");
- fwrite (data, 1, length, f);
- fclose (f);
-}
-
-void colr_cpal_rendering (cairo_font_face_t *cairo_face, unsigned int upem, unsigned int num_glyphs,
- const OT::COLR *colr, const OT::CPAL *cpal)
-{
- for (unsigned int i = 0; i < num_glyphs; ++i)
- {
- unsigned int first_layer_index, num_layers;
- if (colr->get_base_glyph_record (i, &first_layer_index, &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)
- {
- hb_codepoint_t glyph_id;
- unsigned int color_index;
- colr->get_layer_record (first_layer_index + j, &glyph_id, &color_index);
- glyphs[j].index = glyph_id;
- }
- 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 pallet_count = cpal->get_palette_count ();
- for (unsigned int pallet = 0; pallet < pallet_count; ++pallet) {
- char output_path[255];
-
- // If we have more than one pallet, use a better namin
- if (pallet_count == 1)
- sprintf (output_path, "out/colr-%d.svg", i);
- else
- sprintf (output_path, "out/colr-%d-%d.svg", i, pallet);
-
- 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 j = 0; j < num_layers; ++j)
- {
- hb_codepoint_t glyph_id;
- unsigned int color_index;
- colr->get_layer_record (first_layer_index + j, &glyph_id, &color_index);
-
- uint32_t color = cpal->get_color_record_argb (color_index, pallet);
- int alpha = color & 0xFF;
- int r = (color >> 8) & 0xFF;
- int g = (color >> 16) & 0xFF;
- int b = (color >> 24) & 0xFF;
- cairo_set_source_rgba (cr, r / 255.f, g / 255.f, b / 255.f, alpha);
-
- cairo_glyph_t glyph;
- glyph.index = glyph_id;
- glyph.x = -extents.x_bearing;
- glyph.y = -extents.y_bearing;
- cairo_show_glyphs (cr, &glyph, 1);
- }
-
- cairo_surface_destroy (surface);
- cairo_destroy (cr);
- }
- }
- }
-}
-
-void dump_glyphs (cairo_font_face_t *cairo_face, unsigned int upem, unsigned int num_glyphs)
-{
- // Dump every glyph available on the font
- return; // disabled for now
- 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/%d.svg", 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", argv[0]);
- exit (1);
- }
-
- hb_blob_t *blob = hb_blob_create_from_file (argv[1]);
- hb_face_t *face = hb_face_create (blob, 0);
- hb_font_t *font = hb_font_create (face);
-
- OT::CBDT::accelerator_t cbdt;
- cbdt.init (face);
- cbdt.dump (cbdt_callback);
- cbdt.fini ();
-
- OT::sbix::accelerator_t sbix;
- sbix.init (face);
- sbix.dump (sbix_callback);
- sbix.fini ();
-
- OT::SVG::accelerator_t svg;
- svg.init (face);
- svg.dump (svg_callback);
- svg.fini ();
-
- OT::Sanitizer<OT::COLR> sanitizerCOLR;
- hb_blob_t* colr_blob = sanitizerCOLR.sanitize (face->reference_table (HB_OT_TAG_COLR));
- const OT::COLR *colr = colr_blob->as<OT::COLR> ();
-
- OT::Sanitizer<OT::CPAL> sanitizerCPAL;
- hb_blob_t* cpal_blob = sanitizerCPAL.sanitize (face->reference_table (HB_OT_TAG_CPAL));
- const OT::CPAL *cpal = cpal_blob->as<OT::CPAL> ();
-
- cairo_font_face_t *cairo_face;
- {
- FT_Library library;
- FT_Init_FreeType (&library);
- FT_Face ftface;
- FT_New_Face (library, argv[1], 0, &ftface);
- cairo_face = cairo_ft_font_face_create_for_ft_face (ftface, 0);
- }
- unsigned int num_glyphs = hb_face_get_glyph_count (face);
- unsigned int upem = hb_face_get_upem (face);
- colr_cpal_rendering (cairo_face, upem, num_glyphs, colr, cpal);
- dump_glyphs (cairo_face, upem, num_glyphs);
-
-
- hb_font_destroy (font);
- hb_face_destroy (face);
- hb_blob_destroy (blob);
-
- return 0;
-}