walkero
/
harfbuzz
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

[ot-color-test] Remove the non-working exact strike size storing (#1339)

This commit is contained in:
Ebrahim Byagowi 2018-10-31 14:20:23 +03:30 committed by GitHub
parent 2e639c47c9
commit 850a7af3a4
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 62 additions and 73 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

135
src/test-ot-color.cc
View File

@ -23,7 +23,7 @@
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*/
#include "hb.hh"
#include "hb.h"
#include "hb-ot.h"
#include "hb-ft.h"
@ -39,74 +39,6 @@
#include <stdlib.h>
#include <stdio.h>
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);
/* ugly hack, scans the font for strikes, not needed for regular clients */
#define STRIKES_MAX 20
unsigned int strikes_count = 0;
unsigned int strikes[STRIKES_MAX] = {0};
{
/* find a sample glyph */
unsigned int sample_glyph_id;
/* we don't care much about different strikes for different glyphs */
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;
}
/* find strikes it has */
unsigned int upem = hb_face_get_upem (face);
unsigned int blob_length = 0;
for (unsigned int ppem = 1; ppem <= upem && strikes_count < STRIKES_MAX; 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);
if (blob_length != new_blob_length)
{
strikes_count++;
blob_length = new_blob_length;
}
if (strikes_count != 0)
strikes[strikes_count - 1] = ppem;
hb_blob_destroy (blob);
}
/* can't report the biggest strike correctly, and, we can't do anything about it */
}
#undef STRIKES_MAX
for (unsigned int strike = 0; strike < strikes_count; strike++)
for (unsigned int glyph_id = 0; glyph_id < glyph_count; glyph_id++)
{
unsigned int ppem = strikes[strike];
hb_font_set_ppem (font, ppem, ppem);
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-%d-%d-%d.png", glyph_id, strike, face_index);
FILE *f = fopen (output_path, "wb");
fwrite (data, 1, length, f);
fclose (f);
hb_blob_destroy (blob);
}
hb_font_destroy (font);
}
static void
svg_dump (hb_face_t *face, unsigned int face_index)
{
@ -136,6 +68,63 @@ svg_dump (hb_face_t *face, unsigned int face_index)
}
}
/* _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-%d-%d-%d.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);
}
static void
layered_glyph_dump (hb_face_t *face, cairo_font_face_t *cairo_face, unsigned int face_index)
{
@ -144,7 +133,7 @@ layered_glyph_dump (hb_face_t *face, cairo_font_face_t *cairo_face, unsigned int
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);
unsigned int num_layers = hb_ot_color_glyph_get_layers (face, gid, 0, NULL, NULL);
if (!num_layers)
continue;
@ -181,7 +170,7 @@ layered_glyph_dump (hb_face_t *face, cairo_font_face_t *cairo_face, unsigned int
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);
unsigned int num_colors = hb_ot_color_palette_get_colors (face, palette, 0, NULL, NULL);
if (!num_colors)
continue;
@ -282,14 +271,14 @@ main (int argc, char **argv)
FILE *font_name_file = fopen ("out/.dumped_font_name", "r");
if (font_name_file != nullptr)
if (font_name_file != NULL)
{
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)
if (font_name_file == NULL)
{
fprintf (stderr, "./out is not accessible as a folder, create it please\n");
exit (1);