[src/main] separate the places use private API, minor
This commit is contained in:
Ebrahim Byagowi
parent
23277beef9
commit
2d14735588
177
src/main.cc
177
src/main.cc
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@ -26,19 +26,12 @@
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* Red Hat Author(s): Behdad Esfahbod
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*/
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#include "hb-static.cc"
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#include "hb-open-file.hh"
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#include "hb-ot-layout-gdef-table.hh"
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#include "hb-ot-layout-gsubgpos.hh"
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#include "hb.h"
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#include "hb-ot.h"
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#ifdef HAVE_GLIB
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#include <glib.h>
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#endif
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#include <stdlib.h>
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#include <stdio.h>
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using namespace OT;
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#include <string.h>
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#ifdef HB_NO_OPEN
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#define hb_blob_create_from_file(x) hb_blob_get_empty ()
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@ -49,7 +42,7 @@ svg_dump (hb_face_t *face, unsigned face_index)
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{
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unsigned glyph_count = hb_face_get_glyph_count (face);
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for (unsigned glyph_id = 0; glyph_id < glyph_count; glyph_id++)
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for (unsigned glyph_id = 0; glyph_id < glyph_count; ++glyph_id)
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{
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hb_blob_t *blob = hb_ot_color_glyph_reference_svg (face, glyph_id);
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@ -83,7 +76,7 @@ png_dump (hb_face_t *face, unsigned face_index)
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/* scans the font for strikes */
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unsigned sample_glyph_id;
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/* we don't care about different strikes for different glyphs at this point */
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for (sample_glyph_id = 0; sample_glyph_id < glyph_count; sample_glyph_id++)
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for (sample_glyph_id = 0; sample_glyph_id < glyph_count; ++sample_glyph_id)
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{
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hb_blob_t *blob = hb_ot_color_glyph_reference_png (font, sample_glyph_id);
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unsigned blob_length = hb_blob_get_length (blob);
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@ -95,7 +88,7 @@ png_dump (hb_face_t *face, unsigned face_index)
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unsigned upem = hb_face_get_upem (face);
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unsigned blob_length = 0;
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unsigned strike = 0;
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for (unsigned ppem = 1; ppem < upem; ppem++)
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for (unsigned ppem = 1; ppem < upem; ++ppem)
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{
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hb_font_set_ppem (font, ppem, ppem);
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hb_blob_t *blob = hb_ot_color_glyph_reference_png (font, sample_glyph_id);
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@ -103,7 +96,7 @@ png_dump (hb_face_t *face, unsigned face_index)
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hb_blob_destroy (blob);
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if (new_blob_length != blob_length)
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{
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for (unsigned glyph_id = 0; glyph_id < glyph_count; glyph_id++)
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for (unsigned glyph_id = 0; glyph_id < glyph_count; ++glyph_id)
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{
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hb_blob_t *blob = hb_ot_color_glyph_reference_png (font, glyph_id);
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@ -279,30 +272,81 @@ dump_glyphs (hb_font_t *font, hb_ot_glyph_decompose_funcs_t *funcs, unsigned fac
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}
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}
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int
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main (int argc, char **argv)
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static void
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dump_glyphs (hb_blob_t *blob, const char *font_name)
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{
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if (argc != 2)
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FILE *font_name_file = fopen ("out/.dumped_font_name", "r");
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if (font_name_file != nullptr)
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{
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fprintf (stderr, "usage: %s font-file.ttf\n", argv[0]);
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exit (1);
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fprintf (stderr, "Purge or move ./out folder in order to run a new glyph dump,\n"
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"run it like `rm -rf out && mkdir out && src/main font-file.ttf`\n");
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return;
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}
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hb_blob_t *blob = hb_blob_create_from_file (argv[1]);
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unsigned len;
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const char *font_data = hb_blob_get_data (blob, &len);
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printf ("Opened font file %s: %d bytes long\n", argv[1], len);
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font_name_file = fopen ("out/.dumped_font_name", "w");
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if (font_name_file == nullptr)
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{
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fprintf (stderr, "./out is not accessible as a folder, create it please\n");
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return;
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}
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fwrite (font_name, 1, strlen (font_name), font_name_file);
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fclose (font_name_file);
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hb_ot_glyph_decompose_funcs_t *funcs = hb_ot_glyph_decompose_funcs_create ();
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hb_ot_glyph_decompose_funcs_set_move_to_func (funcs, (hb_ot_glyph_decompose_move_to_func_t) move_to);
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hb_ot_glyph_decompose_funcs_set_line_to_func (funcs, (hb_ot_glyph_decompose_line_to_func_t) line_to);
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hb_ot_glyph_decompose_funcs_set_conic_to_func (funcs, (hb_ot_glyph_decompose_conic_to_func_t) conic_to);
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hb_ot_glyph_decompose_funcs_set_cubic_to_func (funcs, (hb_ot_glyph_decompose_cubic_to_func_t) cubic_to);
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hb_ot_glyph_decompose_funcs_set_close_path_func (funcs, (hb_ot_glyph_decompose_close_path_func_t) close_path);
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unsigned num_faces = hb_face_count (blob);
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for (unsigned face_index = 0; face_index < num_faces; ++face_index)
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{
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hb_face_t *face = hb_face_create (blob, face_index);
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hb_font_t *font = hb_font_create (face);
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if (hb_ot_color_has_png (face))
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printf ("Dumping png (CBDT/sbix)...\n");
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png_dump (face, face_index);
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if (hb_ot_color_has_svg (face))
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printf ("Dumping svg (SVG )...\n");
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svg_dump (face, face_index);
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if (hb_ot_color_has_layers (face) && hb_ot_color_has_palettes (face))
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printf ("Dumping layered color glyphs (COLR/CPAL)...\n");
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layered_glyph_dump (font, funcs, face_index);
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dump_glyphs (font, funcs, face_index);
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hb_font_destroy (font);
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hb_face_destroy (face);
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}
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hb_ot_glyph_decompose_funcs_destroy (funcs);
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}
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/* Only this part of this mini app uses private API */
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#include "hb-static.cc"
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#include "hb-open-file.hh"
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#include "hb-ot-layout-gdef-table.hh"
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#include "hb-ot-layout-gsubgpos.hh"
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using namespace OT;
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static void
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print_layout_info_using_private_api (hb_blob_t *blob)
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{
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const char *font_data = hb_blob_get_data (blob, nullptr);
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hb_blob_t *font_blob = hb_sanitize_context_t ().sanitize_blob<OpenTypeFontFile> (blob);
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const OpenTypeFontFile* sanitized = font_blob->as<OpenTypeFontFile> ();
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if (!font_blob->data)
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{
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printf ("Sanitization of the file wasn't successful. Exit");
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return 1;
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exit (1);
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}
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const OpenTypeFontFile& ot = *sanitized;
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switch (ot.get_tag ())
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{
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case OpenTypeFontFile::TrueTypeTag:
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@ -330,14 +374,14 @@ main (int argc, char **argv)
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unsigned num_faces = hb_face_count (blob);
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printf ("%d font(s) found in file\n", num_faces);
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for (int n_font = 0; n_font < num_faces; n_font++)
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for (unsigned n_font = 0; n_font < num_faces; ++n_font)
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{
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const OpenTypeFontFace &font = ot.get_face (n_font);
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printf ("Font %d of %d:\n", n_font, num_faces);
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int num_tables = font.get_table_count ();
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unsigned num_tables = font.get_table_count ();
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printf (" %d table(s) found in font\n", num_tables);
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for (int n_table = 0; n_table < num_tables; n_table++)
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for (unsigned n_table = 0; n_table < num_tables; ++n_table)
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{
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const OpenTypeTable &table = font.get_table (n_table);
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printf (" Table %2d of %2d: %.4s (0x%08x+0x%08x)\n", n_table, num_tables,
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@ -354,9 +398,9 @@ main (int argc, char **argv)
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const GSUBGPOS &g = *reinterpret_cast<const GSUBGPOS *> (font_data + table.offset);
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int num_scripts = g.get_script_count ();
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unsigned num_scripts = g.get_script_count ();
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printf (" %d script(s) found in table\n", num_scripts);
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for (int n_script = 0; n_script < num_scripts; n_script++)
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for (unsigned n_script = 0; n_script < num_scripts; ++n_script)
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{
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const Script &script = g.get_script (n_script);
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printf (" Script %2d of %2d: %.4s\n", n_script, num_scripts,
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@ -366,7 +410,8 @@ main (int argc, char **argv)
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printf (" No default language system\n");
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int num_langsys = script.get_lang_sys_count ();
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printf (" %d language system(s) found in script\n", num_langsys);
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for (int n_langsys = script.has_default_lang_sys() ? -1 : 0; n_langsys < num_langsys; n_langsys++) {
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for (int n_langsys = script.has_default_lang_sys () ? -1 : 0; n_langsys < num_langsys; ++n_langsys)
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{
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const LangSys &langsys = n_langsys == -1
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? script.get_default_lang_sys ()
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: script.get_lang_sys (n_langsys);
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@ -381,9 +426,9 @@ main (int argc, char **argv)
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printf (" Required feature index: %d\n",
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langsys.get_required_feature_index ());
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int num_features = langsys.get_feature_count ();
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unsigned num_features = langsys.get_feature_count ();
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printf (" %d feature(s) found in language system\n", num_features);
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for (int n_feature = 0; n_feature < num_features; n_feature++)
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for (unsigned n_feature = 0; n_feature < num_features; ++n_feature)
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{
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printf (" Feature index %2d of %2d: %d\n", n_feature, num_features,
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langsys.get_feature_index (n_feature));
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@ -391,25 +436,25 @@ main (int argc, char **argv)
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}
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}
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int num_features = g.get_feature_count ();
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unsigned num_features = g.get_feature_count ();
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printf (" %d feature(s) found in table\n", num_features);
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for (int n_feature = 0; n_feature < num_features; n_feature++)
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for (unsigned n_feature = 0; n_feature < num_features; ++n_feature)
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{
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const Feature &feature = g.get_feature (n_feature);
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int num_lookups = feature.get_lookup_count ();
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unsigned num_lookups = feature.get_lookup_count ();
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printf (" Feature %2d of %2d: %c%c%c%c\n", n_feature, num_features,
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HB_UNTAG (g.get_feature_tag (n_feature)));
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printf (" %d lookup(s) found in feature\n", num_lookups);
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for (int n_lookup = 0; n_lookup < num_lookups; n_lookup++) {
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for (unsigned n_lookup = 0; n_lookup < num_lookups; ++n_lookup) {
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printf (" Lookup index %2d of %2d: %d\n", n_lookup, num_lookups,
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feature.get_lookup_index (n_lookup));
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}
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}
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int num_lookups = g.get_lookup_count ();
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unsigned num_lookups = g.get_lookup_count ();
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printf (" %d lookup(s) found in table\n", num_lookups);
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for (int n_lookup = 0; n_lookup < num_lookups; n_lookup++)
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for (unsigned n_lookup = 0; n_lookup < num_lookups; ++n_lookup)
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{
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const Lookup &lookup = g.get_lookup (n_lookup);
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printf (" Lookup %2d of %2d: type %d, props 0x%04X\n", n_lookup, num_lookups,
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@ -439,57 +484,21 @@ main (int argc, char **argv)
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}
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}
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}
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/* Dump glyphs */
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FILE *font_name_file = fopen ("out/.dumped_font_name", "r");
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if (font_name_file != nullptr)
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{
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fprintf (stderr, "Purge or move ./out folder in order to run a new glyph dump,\n"
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"run it like `rm -rf out && mkdir out && %s font-file.ttf`\n",
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argv[0]);
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return 0;
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}
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font_name_file = fopen ("out/.dumped_font_name", "w");
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if (font_name_file == nullptr)
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int
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main (int argc, char **argv)
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{
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fprintf (stderr, "./out is not accessible as a folder, create it please\n");
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return 0;
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}
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fwrite (argv[1], 1, strlen (argv[1]), font_name_file);
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fclose (font_name_file);
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hb_ot_glyph_decompose_funcs_t *funcs = hb_ot_glyph_decompose_funcs_create ();
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hb_ot_glyph_decompose_funcs_set_move_to_func (funcs, (hb_ot_glyph_decompose_move_to_func_t) move_to);
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hb_ot_glyph_decompose_funcs_set_line_to_func (funcs, (hb_ot_glyph_decompose_line_to_func_t) line_to);
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hb_ot_glyph_decompose_funcs_set_conic_to_func (funcs, (hb_ot_glyph_decompose_conic_to_func_t) conic_to);
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hb_ot_glyph_decompose_funcs_set_cubic_to_func (funcs, (hb_ot_glyph_decompose_cubic_to_func_t) cubic_to);
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hb_ot_glyph_decompose_funcs_set_close_path_func (funcs, (hb_ot_glyph_decompose_close_path_func_t) close_path);
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for (unsigned face_index = 0; face_index < num_faces; ++face_index)
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if (argc != 2)
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{
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hb_face_t *face = hb_face_create (blob, face_index);
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hb_font_t *font = hb_font_create (face);
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if (hb_ot_color_has_png (face))
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printf ("Dumping png (CBDT/sbix)...\n");
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png_dump (face, face_index);
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if (hb_ot_color_has_svg (face))
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printf ("Dumping svg (SVG )...\n");
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svg_dump (face, face_index);
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if (hb_ot_color_has_layers (face) && hb_ot_color_has_palettes (face))
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printf ("Dumping layered color glyphs (COLR/CPAL)...\n");
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layered_glyph_dump (font, funcs, face_index);
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dump_glyphs (font, funcs, face_index);
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hb_font_destroy (font);
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hb_face_destroy (face);
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fprintf (stderr, "usage: %s font-file.ttf\n", argv[0]);
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exit (1);
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}
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hb_ot_glyph_decompose_funcs_destroy (funcs);
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hb_blob_t *blob = hb_blob_create_from_file (argv[1]);
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printf ("Opened font file %s: %d bytes long\n", argv[1], hb_blob_get_length (blob));
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print_layout_info_using_private_api (blob);
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dump_glyphs (blob, argv[1]);
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hb_blob_destroy (blob);
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return 0;
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