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Add API test for hb_ot_color_get_color_layers

This commit is contained in:
Ebrahim Byagowi 2018-10-21 08:48:07 +03:30 committed by Khaled Hosny
parent 456978d408
commit d4261b4bb6
4 changed files with 34 additions and 4 deletions
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3
src/dump-emoji.cc
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@ -91,7 +91,8 @@ colr_cpal_rendering (hb_face_t *face, cairo_font_face_t *cairo_face)
{
unsigned int upem = hb_face_get_upem (face);
for (hb_codepoint_t gid = 0; gid < hb_face_get_glyph_count (face); ++gid)
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_get_color_layers (face, gid, 0, nullptr, nullptr, nullptr);
if (!num_layers)

2
src/hb-ot-color.cc
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@ -230,7 +230,7 @@ hb_ot_color_get_palette_flags (hb_face_t *face, unsigned int palette)
* @HB_OT_COLOR_PALETTE_FLAG_FOR_LIGHT_BACKGROUND: flag indicating that the color palette is suitable for rendering text on light background.
* @HB_OT_COLOR_PALETTE_FLAG_FOR_DARK_BACKGROUND: flag indicating that the color palette is suitable for rendering text on dark background.
*
* Since: REPLACEME
* Since: DONTREPLACEME
*/
typedef enum { /*< flags >*/
HB_OT_COLOR_PALETTE_FLAG_DEFAULT = 0x00000000u,

2
src/hb-ot-color.h
View File

@ -1,5 +1,7 @@
/*
* Copyright © 2016 Google, Inc.
* Copyright © 2018 Khaled Hosny
* Copyright © 2018 Ebrahim Byagowi
*
* This is part of HarfBuzz, a text shaping library.
*

31
test/api/test-ot-color.c
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@ -150,9 +150,9 @@ test_hb_ot_color_get_palette_name_id_v0 (void)
static void
test_hb_ot_color_get_palette_name_id_v1 (void)
{
// g_assert_cmpint (hb_ot_color_get_palette_name_id (cpal_v1, 0), ==, 257);
g_assert_cmpint (hb_ot_color_get_palette_name_id (cpal_v1, 0), ==, 257);
g_assert_cmpint (hb_ot_color_get_palette_name_id (cpal_v1, 1), ==, HB_NAME_ID_INVALID);
// g_assert_cmpint (hb_ot_color_get_palette_name_id (cpal_v1, 2), ==, 258);
g_assert_cmpint (hb_ot_color_get_palette_name_id (cpal_v1, 2), ==, 258);
/* numPalettes=3, so palette #3 is out of bounds */
g_assert_cmpint (hb_ot_color_get_palette_name_id (cpal_v1, 3), ==, HB_NAME_ID_INVALID);
@ -290,6 +290,32 @@ test_hb_ot_color_get_palette_colors_v1 (void)
assert_color_rgba (colors, 2, 0x77, 0x77, 0x77, 0x77); /* untouched */
}
static void
test_hb_ot_color_get_color_layers (void)
{
hb_codepoint_t layer_gids[1];
unsigned int color_indices[1];
unsigned int count = 1;
unsigned int num_layers;
num_layers = hb_ot_color_get_color_layers (cpal_v1, 2, 0, &count, layer_gids,
color_indices);
g_assert_cmpuint (num_layers, ==, 2);
g_assert_cmpuint (count, ==, 1);
g_assert_cmpuint (layer_gids[0], ==, 3);
g_assert_cmpuint (color_indices[0], ==, 1);
count = 1;
hb_ot_color_get_color_layers (cpal_v1, 2, 1, &count, layer_gids,
color_indices);
g_assert_cmpuint (num_layers, ==, 2);
g_assert_cmpuint (count, ==, 1);
g_assert_cmpuint (layer_gids[0], ==, 4);
g_assert_cmpuint (color_indices[0], ==, 0);
}
int
main (int argc, char **argv)
{
@ -308,6 +334,7 @@ main (int argc, char **argv)
hb_test_add (test_hb_ot_color_get_palette_colors_empty);
hb_test_add (test_hb_ot_color_get_palette_colors_v0);
hb_test_add (test_hb_ot_color_get_palette_colors_v1);
hb_test_add (test_hb_ot_color_get_color_layers);
status = hb_test_run();
hb_face_destroy (cpal_v0);
hb_face_destroy (cpal_v1);