Fold src/test-ot-glyph and src/test-ot-color into src/main

This commit is contained in:
Ebrahim Byagowi 2020-01-24 18:49:48 +03:30
parent b72337e57e
commit 23277beef9
4 changed files with 297 additions and 508 deletions

View File

@ -334,7 +334,6 @@ noinst_PROGRAMS = \
test-buffer-serialize \
test-ot-meta \
test-ot-name \
test-ot-glyph \
test-ot-glyphname \
test-gpos-size-params \
test-gsub-would-substitute \
@ -361,10 +360,6 @@ test_ot_name_SOURCES = test-ot-name.cc
test_ot_name_CPPFLAGS = $(HBCFLAGS)
test_ot_name_LDADD = libharfbuzz.la $(HBLIBS)
test_ot_glyph_SOURCES = test-ot-glyph.cc
test_ot_glyph_CPPFLAGS = $(HBCFLAGS)
test_ot_glyph_LDADD = libharfbuzz.la $(HBLIBS)
test_ot_glyphname_SOURCES = test-ot-glyphname.cc
test_ot_glyphname_CPPFLAGS = $(HBCFLAGS)
test_ot_glyphname_LDADD = libharfbuzz.la $(HBLIBS)
@ -377,11 +372,6 @@ test_gsub_would_substitute_SOURCES = test-gsub-would-substitute.cc
test_gsub_would_substitute_CPPFLAGS = $(HBCFLAGS) $(FREETYPE_CFLAGS)
test_gsub_would_substitute_LDADD = libharfbuzz.la $(HBLIBS) $(FREETYPE_LIBS)
noinst_PROGRAMS += test-ot-color
test_ot_color_SOURCES = test-ot-color.cc
test_ot_color_CPPFLAGS = $(HBCFLAGS)
test_ot_color_LDADD = libharfbuzz.la $(HBLIBS)
dist_check_SCRIPTS = \
check-c-linkage-decls.sh \
check-externs.sh \

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@ -1,5 +1,7 @@
/*
* Copyright © 2007,2008,2009 Red Hat, Inc.
* Copyright © 2018,2019,2020 Ebrahim Byagowi
* Copyright © 2018 Khaled Hosny
*
* This is part of HarfBuzz, a text shaping library.
*
@ -42,6 +44,241 @@ using namespace OT;
#define hb_blob_create_from_file(x) hb_blob_get_empty ()
#endif
static void
svg_dump (hb_face_t *face, unsigned face_index)
{
unsigned glyph_count = hb_face_get_glyph_count (face);
for (unsigned 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 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 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 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 blob_length = hb_blob_get_length (blob);
hb_blob_destroy (blob);
if (blob_length != 0)
break;
}
unsigned upem = hb_face_get_upem (face);
unsigned blob_length = 0;
unsigned strike = 0;
for (unsigned 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 new_blob_length = hb_blob_get_length (blob);
hb_blob_destroy (blob);
if (new_blob_length != blob_length)
{
for (unsigned 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 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);
}
struct user_data_t
{
FILE *f;
hb_position_t ascender;
};
static void
move_to (hb_position_t to_x, hb_position_t to_y, user_data_t &user_data)
{
fprintf (user_data.f, "M%d,%d", to_x, user_data.ascender - to_y);
}
static void
line_to (hb_position_t to_x, hb_position_t to_y, user_data_t &user_data)
{
fprintf (user_data.f, "L%d,%d", to_x, user_data.ascender - to_y);
}
static void
conic_to (hb_position_t control_x, hb_position_t control_y,
hb_position_t to_x, hb_position_t to_y,
user_data_t &user_data)
{
fprintf (user_data.f, "Q%d,%d %d,%d", control_x, user_data.ascender - control_y,
to_x, user_data.ascender - to_y);
}
static void
cubic_to (hb_position_t control1_x, hb_position_t control1_y,
hb_position_t control2_x, hb_position_t control2_y,
hb_position_t to_x, hb_position_t to_y,
user_data_t &user_data)
{
fprintf (user_data.f, "C%d,%d %d,%d %d,%d", control1_x, user_data.ascender - control1_y,
control2_x, user_data.ascender - control2_y,
to_x, user_data.ascender - to_y);
}
static void
close_path (user_data_t &user_data)
{
fprintf (user_data.f, "Z");
}
static void
layered_glyph_dump (hb_font_t *font, hb_ot_glyph_decompose_funcs_t *funcs, unsigned face_index)
{
hb_face_t *face = hb_font_get_face (font);
unsigned num_glyphs = hb_face_get_glyph_count (face);
for (hb_codepoint_t gid = 0; gid < num_glyphs; ++gid)
{
unsigned 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)
{
hb_font_extents_t font_extents;
hb_font_get_extents_for_direction (font, HB_DIRECTION_LTR, &font_extents);
hb_glyph_extents_t extents = {0};
if (!hb_font_get_glyph_extents (font, gid, &extents))
{
printf ("Skip gid: %d\n", gid);
continue;
}
unsigned palette_count = hb_ot_color_palette_get_count (face);
for (unsigned palette = 0; palette < palette_count; ++palette)
{
unsigned num_colors = hb_ot_color_palette_get_colors (face, palette, 0, nullptr, nullptr);
if (!num_colors)
continue;
char output_path[255];
sprintf (output_path, "out/colr-%u-%u-%u.svg", gid, palette, face_index);
FILE *f = fopen (output_path, "wb");
fprintf (f, "<svg xmlns=\"http://www.w3.org/2000/svg\""
" viewBox=\"%d %d %d %d\">\n",
extents.x_bearing, 0,
extents.x_bearing + extents.width, -extents.height);
user_data_t user_data;
user_data.ascender = extents.y_bearing;
user_data.f = f;
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)
{
for (unsigned layer = 0; layer < num_layers; ++layer)
{
hb_color_t color = 0x000000FF;
if (layers[layer].color_index != 0xFFFF)
color = colors[layers[layer].color_index];
fprintf (f, "<path fill=\"#%02X%02X%02X\" ",
hb_color_get_red (color), hb_color_get_green (color), hb_color_get_green (color));
if (hb_color_get_alpha (color) != 255)
fprintf (f, "fill-opacity=\"%.3f\"", (double) hb_color_get_alpha (color) / 255.);
fprintf (f, "d=\"");
if (!hb_ot_glyph_decompose (font, layers[layer].glyph, funcs, &user_data))
printf ("Failed to decompose layer %d while %d\n", layers[layer].glyph, gid);
fprintf (f, "\"/>\n");
}
}
free (colors);
fprintf (f, "</svg>");
fclose (f);
}
}
free (layers);
}
}
static void
dump_glyphs (hb_font_t *font, hb_ot_glyph_decompose_funcs_t *funcs, unsigned face_index)
{
unsigned num_glyphs = hb_face_get_glyph_count (hb_font_get_face (font));
for (unsigned gid = 0; gid < num_glyphs; ++gid)
{
hb_font_extents_t font_extents;
hb_font_get_extents_for_direction (font, HB_DIRECTION_LTR, &font_extents);
hb_glyph_extents_t extents = {0};
if (!hb_font_get_glyph_extents (font, gid, &extents))
{
printf ("Skip gid: %d\n", gid);
continue;
}
char output_path[255];
sprintf (output_path, "out/%u-%u.svg", face_index, gid);
FILE *f = fopen (output_path, "wb");
fprintf (f, "<svg xmlns=\"http://www.w3.org/2000/svg\""
" viewBox=\"%d %d %d %d\"><path d=\"",
extents.x_bearing, 0,
extents.x_bearing + extents.width, font_extents.ascender - font_extents.descender);
user_data_t user_data;
user_data.ascender = font_extents.ascender;
user_data.f = f;
if (!hb_ot_glyph_decompose (font, gid, funcs, &user_data))
printf ("Failed to decompose gid: %d\n", gid);
fprintf (f, "\"/></svg>");
fclose (f);
}
}
int
main (int argc, char **argv)
{
@ -52,7 +289,7 @@ main (int argc, char **argv)
}
hb_blob_t *blob = hb_blob_create_from_file (argv[1]);
unsigned int len;
unsigned len;
const char *font_data = hb_blob_get_data (blob, &len);
printf ("Opened font file %s: %d bytes long\n", argv[1], len);
@ -91,12 +328,12 @@ main (int argc, char **argv)
break;
}
int num_fonts = ot.get_face_count ();
printf ("%d font(s) found in file\n", num_fonts);
for (int n_font = 0; n_font < num_fonts; n_font++)
unsigned num_faces = hb_face_count (blob);
printf ("%d font(s) found in file\n", num_faces);
for (int n_font = 0; n_font < num_faces; n_font++)
{
const OpenTypeFontFace &font = ot.get_face (n_font);
printf ("Font %d of %d:\n", n_font, num_fonts);
printf ("Font %d of %d:\n", n_font, num_faces);
int num_tables = font.get_table_count ();
printf (" %d table(s) found in font\n", num_tables);
@ -105,8 +342,8 @@ main (int argc, char **argv)
const OpenTypeTable &table = font.get_table (n_table);
printf (" Table %2d of %2d: %.4s (0x%08x+0x%08x)\n", n_table, num_tables,
(const char *) table.tag,
(unsigned int) table.offset,
(unsigned int) table.length);
(unsigned) table.offset,
(unsigned) table.length);
switch (table.tag)
{
@ -137,7 +374,7 @@ main (int argc, char **argv)
printf (" Default Language System\n");
else
printf (" Language System %2d of %2d: %.4s\n", n_langsys, num_langsys,
(const char *)script.get_lang_sys_tag (n_langsys));
(const char *) script.get_lang_sys_tag (n_langsys));
if (!langsys.has_required_feature ())
printf (" No required feature\n");
else
@ -203,5 +440,57 @@ main (int argc, char **argv)
}
}
/* Dump glyphs */
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 glyph dump,\n"
"run it like `rm -rf out && mkdir out && %s font-file.ttf`\n",
argv[0]);
return 0;
}
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");
return 0;
}
fwrite (argv[1], 1, strlen (argv[1]), font_name_file);
fclose (font_name_file);
hb_ot_glyph_decompose_funcs_t *funcs = hb_ot_glyph_decompose_funcs_create ();
hb_ot_glyph_decompose_funcs_set_move_to_func (funcs, (hb_ot_glyph_decompose_move_to_func_t) move_to);
hb_ot_glyph_decompose_funcs_set_line_to_func (funcs, (hb_ot_glyph_decompose_line_to_func_t) line_to);
hb_ot_glyph_decompose_funcs_set_conic_to_func (funcs, (hb_ot_glyph_decompose_conic_to_func_t) conic_to);
hb_ot_glyph_decompose_funcs_set_cubic_to_func (funcs, (hb_ot_glyph_decompose_cubic_to_func_t) cubic_to);
hb_ot_glyph_decompose_funcs_set_close_path_func (funcs, (hb_ot_glyph_decompose_close_path_func_t) close_path);
for (unsigned face_index = 0; face_index < num_faces; ++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 (SVG )...\n");
svg_dump (face, face_index);
if (hb_ot_color_has_layers (face) && hb_ot_color_has_palettes (face))
printf ("Dumping layered color glyphs (COLR/CPAL)...\n");
layered_glyph_dump (font, funcs, face_index);
dump_glyphs (font, funcs, face_index);
hb_font_destroy (font);
hb_face_destroy (face);
}
hb_ot_glyph_decompose_funcs_destroy (funcs);
hb_blob_destroy (blob);
return 0;
}

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@ -1,347 +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"
#ifdef HB_NO_OPEN
#define hb_blob_create_from_file(x) hb_blob_get_empty ()
#endif
#if !defined(HB_NO_COLOR)
#include "hb-ot.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);
}
struct user_data_t
{
FILE *f;
hb_position_t ascender;
};
static void
move_to (hb_position_t to_x, hb_position_t to_y, user_data_t &user_data)
{
fprintf (user_data.f, "M%d,%d", to_x, user_data.ascender - to_y);
}
static void
line_to (hb_position_t to_x, hb_position_t to_y, user_data_t &user_data)
{
fprintf (user_data.f, "L%d,%d", to_x, user_data.ascender - to_y);
}
static void
conic_to (hb_position_t control_x, hb_position_t control_y,
hb_position_t to_x, hb_position_t to_y,
user_data_t &user_data)
{
fprintf (user_data.f, "Q%d,%d %d,%d", control_x, user_data.ascender - control_y,
to_x, user_data.ascender - to_y);
}
static void
cubic_to (hb_position_t control1_x, hb_position_t control1_y,
hb_position_t control2_x, hb_position_t control2_y,
hb_position_t to_x, hb_position_t to_y,
user_data_t &user_data)
{
fprintf (user_data.f, "C%d,%d %d,%d %d,%d", control1_x, user_data.ascender - control1_y,
control2_x, user_data.ascender - control2_y,
to_x, user_data.ascender - to_y);
}
static void
close_path (user_data_t &user_data)
{
fprintf (user_data.f, "Z");
}
static void
layered_glyph_dump (hb_font_t *font, hb_ot_glyph_decompose_funcs_t *funcs, unsigned int face_index)
{
hb_face_t *face = hb_font_get_face (font);
unsigned num_glyphs = hb_face_get_glyph_count (face);
for (hb_codepoint_t gid = 0; gid < num_glyphs; ++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)
{
hb_font_extents_t font_extents;
hb_font_get_extents_for_direction (font, HB_DIRECTION_LTR, &font_extents);
hb_glyph_extents_t extents = {0};
if (!hb_font_get_glyph_extents (font, gid, &extents))
{
printf ("Skip gid: %d\n", gid);
continue;
}
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;
char output_path[255];
sprintf (output_path, "out/colr-%u-%u-%u.svg", gid, palette, face_index);
FILE *f = fopen (output_path, "wb");
fprintf (f, "<svg xmlns=\"http://www.w3.org/2000/svg\""
" viewBox=\"%d %d %d %d\">\n",
extents.x_bearing, 0,
extents.x_bearing + extents.width, -extents.height);
user_data_t user_data;
user_data.ascender = extents.y_bearing;
user_data.f = f;
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)
{
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];
fprintf (f, "<path fill=\"#%02X%02X%02X\" ",
hb_color_get_red (color), hb_color_get_green (color), hb_color_get_green (color));
if (hb_color_get_alpha (color) != 255)
fprintf (f, "fill-opacity=\"%.3f\"", (double) hb_color_get_alpha (color) / 255.);
fprintf (f, "d=\"");
if (!hb_ot_glyph_decompose (font, layers[layer].glyph, funcs, &user_data))
printf ("Failed to decompose layer %d while %d\n", layers[layer].glyph, gid);
fprintf (f, "\"/>\n");
}
}
free (colors);
fprintf (f, "</svg>");
fclose (f);
}
}
free (layers);
}
}
static void
dump_glyphs (hb_font_t *font, hb_ot_glyph_decompose_funcs_t *funcs, unsigned int face_index)
{
unsigned num_glyphs = hb_face_get_glyph_count (hb_font_get_face (font));
for (unsigned int gid = 0; gid < num_glyphs; ++gid)
{
hb_font_extents_t font_extents;
hb_font_get_extents_for_direction (font, HB_DIRECTION_LTR, &font_extents);
hb_glyph_extents_t extents = {0};
if (!hb_font_get_glyph_extents (font, gid, &extents))
{
printf ("Skip gid: %d\n", gid);
continue;
}
char output_path[255];
sprintf (output_path, "out/%u-%u.svg", face_index, gid);
FILE *f = fopen (output_path, "wb");
fprintf (f, "<svg xmlns=\"http://www.w3.org/2000/svg\""
" viewBox=\"%d %d %d %d\"><path d=\"",
extents.x_bearing, 0,
extents.x_bearing + extents.width, font_extents.ascender - font_extents.descender);
user_data_t user_data;
user_data.ascender = font_extents.ascender;
user_data.f = f;
if (!hb_ot_glyph_decompose (font, gid, funcs, &user_data))
printf ("Failed to decompose gid: %d\n", gid);
fprintf (f, "\"/></svg>");
fclose (f);
}
}
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);
}
hb_ot_glyph_decompose_funcs_t *funcs = hb_ot_glyph_decompose_funcs_create ();
hb_ot_glyph_decompose_funcs_set_move_to_func (funcs, (hb_ot_glyph_decompose_move_to_func_t) move_to);
hb_ot_glyph_decompose_funcs_set_line_to_func (funcs, (hb_ot_glyph_decompose_line_to_func_t) line_to);
hb_ot_glyph_decompose_funcs_set_conic_to_func (funcs, (hb_ot_glyph_decompose_conic_to_func_t) conic_to);
hb_ot_glyph_decompose_funcs_set_cubic_to_func (funcs, (hb_ot_glyph_decompose_cubic_to_func_t) cubic_to);
hb_ot_glyph_decompose_funcs_set_close_path_func (funcs, (hb_ot_glyph_decompose_close_path_func_t) close_path);
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 (SVG )...\n");
svg_dump (face, face_index);
if (hb_ot_color_has_layers (face) && hb_ot_color_has_palettes (face))
printf ("Dumping layered color glyphs (COLR/CPAL)...\n");
layered_glyph_dump (font, funcs, face_index);
dump_glyphs (font, funcs, face_index);
hb_font_destroy (font);
hb_face_destroy (face);
}
hb_ot_glyph_decompose_funcs_destroy (funcs);
hb_blob_destroy (blob);
return 0;
}
#else
int main (int argc, char **argv) { return 0; }
#endif

View File

@ -1,143 +0,0 @@
/*
* Copyright © 2019 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-ot.h"
#ifdef HB_NO_OPEN
#define hb_blob_create_from_file(x) hb_blob_get_empty ()
#endif
#include <stdlib.h>
#include <stdio.h>
#include <assert.h>
struct user_data_t
{
FILE *f;
hb_position_t ascender;
};
static void
move_to (hb_position_t to_x, hb_position_t to_y, user_data_t &user_data)
{
fprintf (user_data.f, "M%d,%d", to_x, user_data.ascender - to_y);
}
static void
line_to (hb_position_t to_x, hb_position_t to_y, user_data_t &user_data)
{
fprintf (user_data.f, "L%d,%d", to_x, user_data.ascender - to_y);
}
static void
conic_to (hb_position_t control_x, hb_position_t control_y,
hb_position_t to_x, hb_position_t to_y,
user_data_t &user_data)
{
fprintf (user_data.f, "Q%d,%d %d,%d", control_x, user_data.ascender - control_y,
to_x, user_data.ascender - to_y);
}
static void
cubic_to (hb_position_t control1_x, hb_position_t control1_y,
hb_position_t control2_x, hb_position_t control2_y,
hb_position_t to_x, hb_position_t to_y,
user_data_t &user_data)
{
fprintf (user_data.f, "C%d,%d %d,%d %d,%d", control1_x, user_data.ascender - control1_y,
control2_x, user_data.ascender - control2_y,
to_x, user_data.ascender - to_y);
}
static void
close_path (user_data_t &user_data)
{
fprintf (user_data.f, "Z");
}
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]);
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);
}
hb_ot_glyph_decompose_funcs_t *funcs = hb_ot_glyph_decompose_funcs_create ();
hb_ot_glyph_decompose_funcs_set_move_to_func (funcs, (hb_ot_glyph_decompose_move_to_func_t) move_to);
hb_ot_glyph_decompose_funcs_set_line_to_func (funcs, (hb_ot_glyph_decompose_line_to_func_t) line_to);
hb_ot_glyph_decompose_funcs_set_conic_to_func (funcs, (hb_ot_glyph_decompose_conic_to_func_t) conic_to);
hb_ot_glyph_decompose_funcs_set_cubic_to_func (funcs, (hb_ot_glyph_decompose_cubic_to_func_t) cubic_to);
hb_ot_glyph_decompose_funcs_set_close_path_func (funcs, (hb_ot_glyph_decompose_close_path_func_t) close_path);
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);
unsigned int glyph_count = hb_face_get_glyph_count (face);
for (unsigned int gid = 0; gid < glyph_count; ++gid)
{
hb_font_extents_t font_extents;
hb_font_get_extents_for_direction (font, HB_DIRECTION_LTR, &font_extents);
hb_glyph_extents_t extents = {0};
if (!hb_font_get_glyph_extents (font, gid, &extents))
{
printf ("Skip gid: %d\n", gid);
continue;
}
char name[100];
sprintf (name, "%d.svg", gid);
FILE *f = fopen (name, "wb");
fprintf (f, "<svg xmlns=\"http://www.w3.org/2000/svg\""
" viewBox=\"%d %d %d %d\"><path d=\"",
extents.x_bearing, 0,
extents.x_bearing + extents.width, font_extents.ascender - font_extents.descender); //-extents.height);
user_data_t user_data;
user_data.ascender = font_extents.ascender;
user_data.f = f;
if (!hb_ot_glyph_decompose (font, gid, funcs, &user_data))
printf ("Failed to decompose gid: %d\n", gid);
fprintf (f, "\"/></svg>");
fclose (f);
}
hb_font_destroy (font);
hb_face_destroy (face);
}
hb_ot_glyph_decompose_funcs_destroy (funcs);
hb_blob_destroy (blob);
return 0;
}