diff options
Diffstat (limited to 'src/dump-emoji.cc')
-rw-r--r-- | src/dump-emoji.cc | 263 |
1 files changed, 0 insertions, 263 deletions
diff --git a/src/dump-emoji.cc b/src/dump-emoji.cc deleted file mode 100644 index 99e8ef9..0000000 --- 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; -} |