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/*
* Copyright © 2016 Google, Inc.
*
* 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.
*
* Google Author(s): Sascha Brawer
*/
#include "hb-test.h"
#include <hb-ot.h>
#include <stdlib.h>
#include <stdio.h>
/* Unit tests for hb-ot-color.h */
/* Test font with the following CPAL v0 table, as TTX and manual disassembly:
<CPAL>
<version value="0"/>
<numPaletteEntries value="2"/>
<palette index="0">
<color index="0" value="#000000FF"/>
<color index="1" value="#66CCFFFF"/>
</palette>
<palette index="1">
<color index="0" value="#000000FF"/>
<color index="1" value="#800000FF"/>
</palette>
</CPAL>
0 | 0000 # version=0
2 | 0002 # numPaletteEntries=2
4 | 0002 # numPalettes=2
6 | 0004 # numColorRecords=4
8 | 00000010 # offsetToFirstColorRecord=16
12 | 0000 0002 # colorRecordIndex=[0, 2]
16 | 000000ff ffcc66ff # colorRecord #0, #1 (BGRA)
24 | 000000ff 000080ff # colorRecord #2, #3 (BGRA)
*/
static hb_face_t *cpal_v0 = NULL;
/* Test font with the following CPAL v1 table, as TTX and manual disassembly:
<CPAL>
<version value="1"/>
<numPaletteEntries value="2"/>
<palette index="0" label="257" type="2">
<color index="0" value="#000000FF"/>
<color index="1" value="#66CCFFFF"/>
</palette>
<palette index="1" label="65535" type="1">
<color index="0" value="#000000FF"/>
<color index="1" value="#FFCC66FF"/>
</palette>
<palette index="2" label="258" type="0">
<color index="0" value="#000000FF"/>
<color index="1" value="#800000FF"/>
</palette>
<paletteEntryLabels>
<label index="0" value="65535"/>
<label index="1" value="256"/>
</paletteEntryLabels>
</CPAL>
0 | 0001 # version=1
2 | 0002 # numPaletteEntries=2
4 | 0003 # numPalettes=3
6 | 0006 # numColorRecords=6
8 | 0000001e # offsetToFirstColorRecord=30
12 | 0000 0002 0004 # colorRecordIndex=[0, 2, 4]
18 | 00000036 # offsetToPaletteTypeArray=54
22 | 00000042 # offsetToPaletteLabelArray=66
26 | 00000048 # offsetToPaletteEntryLabelArray=72
30 | 000000ff ffcc66ff 000000ff # colorRecord #0, #1, #2 (BGRA)
42 | 66ccffff 000000ff 000080ff # colorRecord #3, #4, #5 (BGRA)
54 | 00000002 00000001 00000000 # paletteFlags=[2, 1, 0]
66 | 0101 ffff 0102 # paletteName=[257, 0xffff, 258]
72 | ffff 0100 # paletteEntryLabel=[0xffff, 256]
*/
static hb_face_t *cpal_v1 = NULL;
#define assert_color_rgba(colors, i, r, g, b, a) G_STMT_START { \
const hb_ot_color_t *_colors = (colors); \
const size_t _i = (i); \
const uint8_t red = (r), green = (g), blue = (b), alpha = (a); \
if (_colors[_i].red != red) { \
g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
"colors[" #i "].red", _colors[_i].red, "==", red, 'x'); \
} \
if (_colors[_i].green != green) { \
g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
"colors[" #i "].green", _colors[_i].green, "==", green, 'x'); \
} \
if (_colors[_i].blue != blue) { \
g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
"colors[" #i "].blue", colors[i].blue, "==", blue, 'x'); \
} \
if (_colors[_i].alpha != alpha) { \
g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
"colors[" #i "].alpha", _colors[_i].alpha, "==", alpha, 'x'); \
} \
} G_STMT_END
#if 0
static void
test_hb_ot_color_get_palette_count (void)
{
g_assert_cmpint (hb_ot_color_get_palette_count (hb_face_get_empty()), ==, 0);
g_assert_cmpint (hb_ot_color_get_palette_count (cpal_v0), ==, 2);
g_assert_cmpint (hb_ot_color_get_palette_count (cpal_v1), ==, 3);
}
static void
test_hb_ot_color_get_palette_name_id_empty (void)
{
/* numPalettes=0, so all calls are for out-of-bounds palette indices */
g_assert_cmpint (hb_ot_color_get_palette_name_id (hb_face_get_empty(), 0), ==, 0xffff);
g_assert_cmpint (hb_ot_color_get_palette_name_id (hb_face_get_empty(), 1), ==, 0xffff);
}
static void
test_hb_ot_color_get_palette_name_id_v0 (void)
{
g_assert_cmpint (hb_ot_color_get_palette_name_id (cpal_v0, 0), ==, 0xffff);
g_assert_cmpint (hb_ot_color_get_palette_name_id (cpal_v0, 1), ==, 0xffff);
/* numPalettes=2, so palette #2 is out of bounds */
g_assert_cmpint (hb_ot_color_get_palette_name_id (cpal_v0, 2), ==, 0xffff);
}
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, 1), ==, 0xffff);
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), ==, 0xffff);
}
static void
test_hb_ot_color_get_palette_flags_empty (void)
{
/* numPalettes=0, so all calls are for out-of-bounds palette indices */
g_assert_cmpint (hb_ot_color_get_palette_flags (hb_face_get_empty(), 0), ==, HB_OT_COLOR_PALETTE_FLAG_DEFAULT);
g_assert_cmpint (hb_ot_color_get_palette_flags (hb_face_get_empty(), 1), ==, HB_OT_COLOR_PALETTE_FLAG_DEFAULT);
}
static void
test_hb_ot_color_get_palette_flags_v0 (void)
{
g_assert_cmpint (hb_ot_color_get_palette_flags (cpal_v0, 0), ==, HB_OT_COLOR_PALETTE_FLAG_DEFAULT);
g_assert_cmpint (hb_ot_color_get_palette_flags (cpal_v0, 1), ==, HB_OT_COLOR_PALETTE_FLAG_DEFAULT);
/* numPalettes=2, so palette #2 is out of bounds */
g_assert_cmpint (hb_ot_color_get_palette_flags (cpal_v0, 2), ==, HB_OT_COLOR_PALETTE_FLAG_DEFAULT);
}
static void
test_hb_ot_color_get_palette_flags_v1 (void)
{
g_assert_cmpint (hb_ot_color_get_palette_flags (cpal_v1, 0), ==, HB_OT_COLOR_PALETTE_FLAG_FOR_DARK_BACKGROUND);
g_assert_cmpint (hb_ot_color_get_palette_flags (cpal_v1, 1), ==, HB_OT_COLOR_PALETTE_FLAG_FOR_LIGHT_BACKGROUND);
g_assert_cmpint (hb_ot_color_get_palette_flags (cpal_v0, 2), ==, HB_OT_COLOR_PALETTE_FLAG_DEFAULT);
/* numPalettes=3, so palette #3 is out of bounds */
g_assert_cmpint (hb_ot_color_get_palette_flags (cpal_v0, 3), ==, HB_OT_COLOR_PALETTE_FLAG_DEFAULT);
}
static void
test_hb_ot_color_get_palette_colors_empty (void)
{
hb_face_t *empty = hb_face_get_empty ();
g_assert_cmpint (hb_ot_color_get_palette_colors (empty, 0, 0, NULL, NULL), ==, 0);
}
static void
test_hb_ot_color_get_palette_colors_v0 (void)
{
unsigned int num_colors = hb_ot_color_get_palette_colors (cpal_v0, 0, 0, NULL, NULL);
hb_ot_color_t *colors = (hb_ot_color_t*) alloca (num_colors * sizeof (hb_ot_color_t));
size_t colors_size = num_colors * sizeof(*colors);
g_assert_cmpint (num_colors, ==, 2);
/* Palette #0, start_index=0 */
g_assert_cmpint (hb_ot_color_get_palette_colors (cpal_v0, 0, 0, &num_colors, colors), ==, 2);
g_assert_cmpint (num_colors, ==, 2);
assert_color_rgba (colors, 0, 0x00, 0x00, 0x00, 0xff);
assert_color_rgba (colors, 1, 0x66, 0xcc, 0xff, 0xff);
/* Palette #1, start_index=0 */
g_assert_cmpint (hb_ot_color_get_palette_colors (cpal_v0, 1, 0, &num_colors, colors), ==, 2);
g_assert_cmpint (num_colors, ==, 2);
assert_color_rgba (colors, 0, 0x00, 0x00, 0x00, 0xff);
assert_color_rgba (colors, 1, 0x80, 0x00, 0x00, 0xff);
/* Palette #2 (there are only #0 and #1 in the font, so this is out of bounds) */
g_assert_cmpint (hb_ot_color_get_palette_colors (cpal_v0, 2, 0, &num_colors, colors), ==, 0);
/* Palette #0, start_index=1 */
memset(colors, 0x33, colors_size);
num_colors = 2;
g_assert_cmpint (hb_ot_color_get_palette_colors (cpal_v0, 0, 1, &num_colors, colors), ==, 2);
g_assert_cmpint (num_colors, ==, 1);
assert_color_rgba (colors, 0, 0x66, 0xcc, 0xff, 0xff);
assert_color_rgba (colors, 1, 0x33, 0x33, 0x33, 0x33); /* untouched */
/* Palette #0, start_index=0, pretend that we have only allocated space for 1 color */
memset(colors, 0x44, colors_size);
num_colors = 1;
g_assert_cmpint (hb_ot_color_get_palette_colors (cpal_v0, 0, 0, &num_colors, colors), ==, 2);
g_assert_cmpint (num_colors, ==, 1);
assert_color_rgba (colors, 0, 0x00, 0x00, 0x00, 0xff);
assert_color_rgba (colors, 1, 0x44, 0x44, 0x44, 0x44); /* untouched */
/* start_index > numPaletteEntries */
memset(colors, 0x44, colors_size);
num_colors = 2;
g_assert_cmpint (hb_ot_color_get_palette_colors (cpal_v0, 0, 9876, &num_colors, colors), ==, 2);
g_assert_cmpint (num_colors, ==, 0);
assert_color_rgba (colors, 0, 0x44, 0x44, 0x44, 0x44); /* untouched */
assert_color_rgba (colors, 1, 0x44, 0x44, 0x44, 0x44); /* untouched */
}
static void
test_hb_ot_color_get_palette_colors_v1 (void)
{
hb_ot_color_t colors[3];
unsigned int num_colors = hb_ot_color_get_palette_colors (cpal_v1, 0, 0, NULL, NULL);
size_t colors_size = 3 * sizeof(*colors);
g_assert_cmpint (num_colors, ==, 2);
/* Palette #0, start_index=0 */
memset(colors, 0x77, colors_size);
g_assert_cmpint (hb_ot_color_get_palette_colors (cpal_v1, 0, 0, &num_colors, colors), ==, 2);
g_assert_cmpint (num_colors, ==, 2);
assert_color_rgba (colors, 0, 0x00, 0x00, 0x00, 0xff);
assert_color_rgba (colors, 1, 0x66, 0xcc, 0xff, 0xff);
assert_color_rgba (colors, 2, 0x77, 0x77, 0x77, 0x77); /* untouched */
/* Palette #1, start_index=0 */
memset(colors, 0x77, colors_size);
g_assert_cmpint (hb_ot_color_get_palette_colors (cpal_v1, 1, 0, &num_colors, colors), ==, 2);
g_assert_cmpint (num_colors, ==, 2);
assert_color_rgba (colors, 0, 0x00, 0x00, 0x00, 0xff);
assert_color_rgba (colors, 1, 0xff, 0xcc, 0x66, 0xff);
assert_color_rgba (colors, 2, 0x77, 0x77, 0x77, 0x77); /* untouched */
/* Palette #2, start_index=0 */
memset(colors, 0x77, colors_size);
g_assert_cmpint (hb_ot_color_get_palette_colors (cpal_v1, 2, 0, &num_colors, colors), ==, 2);
g_assert_cmpint (num_colors, ==, 2);
assert_color_rgba (colors, 0, 0x00, 0x00, 0x00, 0xff);
assert_color_rgba (colors, 1, 0x80, 0x00, 0x00, 0xff);
assert_color_rgba (colors, 2, 0x77, 0x77, 0x77, 0x77); /* untouched */
/* Palette #3 (out of bounds), start_index=0 */
memset(colors, 0x77, colors_size);
g_assert_cmpint (hb_ot_color_get_palette_colors (cpal_v1, 3, 0, &num_colors, colors), ==, 0);
g_assert_cmpint (num_colors, ==, 0);
assert_color_rgba (colors, 0, 0x77, 0x77, 0x77, 0x77); /* untouched */
assert_color_rgba (colors, 1, 0x77, 0x77, 0x77, 0x77); /* untouched */
assert_color_rgba (colors, 2, 0x77, 0x77, 0x77, 0x77); /* untouched */
}
#endif
int
main (int argc, char **argv)
{
int status = 0;
hb_test_init (&argc, &argv);
// cpal_v0 = hb_test_load_face ("../shaping/data/in-house/fonts/e90374e5e439e00725b4fe7a8d73db57c5a97f82.ttf");
// cpal_v1 = hb_test_load_face ("../shaping/data/in-house/fonts/319f5d7ebffbefc5c5e6569f8cea73444d7a7268.ttf");
// hb_test_add (test_hb_ot_color_get_palette_count);
// hb_test_add (test_hb_ot_color_get_palette_name_id_empty);
// hb_test_add (test_hb_ot_color_get_palette_name_id_v0);
// hb_test_add (test_hb_ot_color_get_palette_name_id_v1);
// hb_test_add (test_hb_ot_color_get_palette_flags_empty);
// hb_test_add (test_hb_ot_color_get_palette_flags_v0);
// hb_test_add (test_hb_ot_color_get_palette_flags_v1);
// 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);
status = hb_test_run();
hb_face_destroy (cpal_v0);
hb_face_destroy (cpal_v1);
return status;
}
|
