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Remove dump-emoji

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This commit is contained in:
Behdad Esfahbod 2018-10-28 15:18:55 -07:00
parent b46de42b3a
commit 68f2c832c8
3 changed files with 3 additions and 332 deletions
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9
src/Makefile.am
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@ -412,15 +412,6 @@ dump_use_data_SOURCES = dump-use-data.cc hb-ot-shape-complex-use-table.cc
dump_use_data_CPPFLAGS = $(HBCFLAGS)
dump_use_data_LDADD = libharfbuzz.la $(HBLIBS)
if HAVE_FREETYPE
if HAVE_CAIRO_FT
check_PROGRAMS += dump-emoji
dump_emoji_SOURCES = dump-emoji.cc
dump_emoji_CPPFLAGS = $(HBCFLAGS) $(FREETYPE_CFLAGS) $(CAIRO_FT_CFLAGS)
dump_emoji_LDADD = libharfbuzz.la $(HBLIBS) $(FREETYPE_LIBS) $(CAIRO_LIBS) $(CAIRO_FT_LIBS)
endif # HAVE_CAIRO_FT
endif # HAVE_FREETYPE
check_PROGRAMS += test-ot-tag test-unicode-ranges
TESTS += test-ot-tag test-unicode-ranges

322
src/dump-emoji.cc
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@ -1,322 +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-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>
static 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);
}
static void
sbix_dump (hb_face_t *face)
{
OT::sbix::accelerator_t sbix;
sbix.init (face);
unsigned int length = 0;
unsigned int *available_ppems = sbix.get_available_ppems (&length);
unsigned int num_glyphs = face->num_glyphs;
for (unsigned int group = 0; group < length; group++)
for (unsigned int glyph_id = 0; glyph_id < num_glyphs; glyph_id++)
{
hb_blob_t *blob;
unsigned int ppem = available_ppems[group];
blob = sbix.reference_blob_for_glyph (glyph_id, ppem, ppem,
HB_TAG('p','n','g',' '), nullptr, nullptr);
if (hb_blob_get_length (blob) == 0) continue;
char output_path[255];
sprintf (output_path, "out/sbix-%d-%d.png", ppem, glyph_id);
FILE *f = fopen (output_path, "wb");
unsigned int length;
const char* data = hb_blob_get_data (blob, &length);
fwrite (data, 1, length, f);
fclose (f);
}
sbix.fini ();
}
static void
svg_dump (hb_face_t *face)
{
unsigned glyph_count = hb_face_get_glyph_count (face);
OT::SVG::accelerator_t svg;
svg.init (face);
for (unsigned int glyph_id = 0; glyph_id < glyph_count; glyph_id++)
{
hb_blob_t *blob = svg.reference_blob_for_glyph (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[256];
sprintf (output_path, "out/svg-%d.svg%s",
glyph_id,
// 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);
}
svg.fini ();
}
static void
colr_cpal_dump (hb_face_t *face, cairo_font_face_t *cairo_face)
{
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++) {
char output_path[255];
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)
{
// If we have more than one palette, use a simpler naming
if (palette_count == 1)
sprintf (output_path, "out/colr-%d.svg", gid);
else
sprintf (output_path, "out/colr-%d-%d.svg", gid, palette);
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)
{
// 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"
"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/_font_name_file.txt", "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/_font_name_file.txt", "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]);
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 ();
sbix_dump (face);
if (hb_ot_color_has_svg (face))
svg_dump (face);
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);
}
if (hb_ot_color_has_layers (face) && hb_ot_color_has_palettes (face))
colr_cpal_dump (face, cairo_face);
unsigned int num_glyphs = hb_face_get_glyph_count (face);
unsigned int upem = hb_face_get_upem (face);
dump_glyphs (cairo_face, upem, num_glyphs);
hb_font_destroy (font);
hb_face_destroy (face);
hb_blob_destroy (blob);
return 0;
}

4
src/hb-ot-color-sbix-table.hh
View File

@ -105,8 +105,10 @@ struct SBIXStrike
glyph = &(this+imageOffsetsZ[new_glyph_id]);
glyph_id = new_glyph_id;
if (strike_offset + (unsigned int) imageOffsetsZ[glyph_id] + SBIXGlyph::min_size > sbix_len)
return hb_blob_get_empty ();
return hb_blob_get_empty ();
}
else
return hb_blob_get_empty ();
}
if (unlikely (file_type != glyph->graphicType))
return hb_blob_get_empty ();