HarfBuzz text shaping engine
http://harfbuzz.github.io/
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319 lines
13 KiB
319 lines
13 KiB
/* |
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* Copyright © 2016 Google, Inc. |
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* |
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* This is part of HarfBuzz, a text shaping library. |
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* |
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* Permission is hereby granted, without written agreement and without |
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* license or royalty fees, to use, copy, modify, and distribute this |
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* software and its documentation for any purpose, provided that the |
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* above copyright notice and the following two paragraphs appear in |
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* all copies of this software. |
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* |
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR |
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES |
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN |
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* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH |
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* DAMAGE. |
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* |
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* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, |
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
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* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS |
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO |
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. |
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* |
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* Google Author(s): Sascha Brawer |
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*/ |
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#include "hb-test.h" |
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#include <hb-ot.h> |
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#include <stdlib.h> |
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#include <stdio.h> |
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/* Unit tests for hb-ot-color.h */ |
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/* Test font with the following CPAL v0 table, as TTX and manual disassembly: |
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<CPAL> |
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<version value="0"/> |
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<numPaletteEntries value="2"/> |
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<palette index="0"> |
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<color index="0" value="#000000FF"/> |
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<color index="1" value="#66CCFFFF"/> |
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</palette> |
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<palette index="1"> |
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<color index="0" value="#000000FF"/> |
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<color index="1" value="#800000FF"/> |
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</palette> |
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</CPAL> |
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0 | 0000 # version=0 |
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2 | 0002 # numPaletteEntries=2 |
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4 | 0002 # numPalettes=2 |
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6 | 0004 # numColorRecords=4 |
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8 | 00000010 # offsetToFirstColorRecord=16 |
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12 | 0000 0002 # colorRecordIndex=[0, 2] |
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16 | 000000ff ffcc66ff # colorRecord #0, #1 (BGRA) |
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24 | 000000ff 000080ff # colorRecord #2, #3 (BGRA) |
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*/ |
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static hb_face_t *cpal_v0 = NULL; |
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/* Test font with the following CPAL v1 table, as TTX and manual disassembly: |
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<CPAL> |
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<version value="1"/> |
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<numPaletteEntries value="2"/> |
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<palette index="0" label="257" type="2"> |
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<color index="0" value="#000000FF"/> |
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<color index="1" value="#66CCFFFF"/> |
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</palette> |
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<palette index="1" label="65535" type="1"> |
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<color index="0" value="#000000FF"/> |
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<color index="1" value="#FFCC66FF"/> |
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</palette> |
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<palette index="2" label="258" type="0"> |
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<color index="0" value="#000000FF"/> |
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<color index="1" value="#800000FF"/> |
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</palette> |
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<paletteEntryLabels> |
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<label index="0" value="65535"/> |
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<label index="1" value="256"/> |
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</paletteEntryLabels> |
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</CPAL> |
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0 | 0001 # version=1 |
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2 | 0002 # numPaletteEntries=2 |
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4 | 0003 # numPalettes=3 |
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6 | 0006 # numColorRecords=6 |
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8 | 0000001e # offsetToFirstColorRecord=30 |
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12 | 0000 0002 0004 # colorRecordIndex=[0, 2, 4] |
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18 | 00000036 # offsetToPaletteTypeArray=54 |
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22 | 00000042 # offsetToPaletteLabelArray=66 |
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26 | 00000048 # offsetToPaletteEntryLabelArray=72 |
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30 | 000000ff ffcc66ff 000000ff # colorRecord #0, #1, #2 (BGRA) |
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42 | 66ccffff 000000ff 000080ff # colorRecord #3, #4, #5 (BGRA) |
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54 | 00000002 00000001 00000000 # paletteFlags=[2, 1, 0] |
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66 | 0101 ffff 0102 # paletteName=[257, 0xffff, 258] |
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72 | ffff 0100 # paletteEntryLabel=[0xffff, 256] |
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*/ |
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static hb_face_t *cpal_v1 = NULL; |
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#define assert_color_rgba(colors, i, r, g, b, a) G_STMT_START { \ |
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const hb_ot_color_t *_colors = (colors); \ |
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const size_t _i = (i); \ |
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const uint8_t red = (r), green = (g), blue = (b), alpha = (a); \ |
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if (_colors[_i].red != red) { \ |
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g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \ |
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"colors[" #i "].red", _colors[_i].red, "==", red, 'x'); \ |
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} \ |
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if (_colors[_i].green != green) { \ |
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g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \ |
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"colors[" #i "].green", _colors[_i].green, "==", green, 'x'); \ |
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} \ |
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if (_colors[_i].blue != blue) { \ |
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g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \ |
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"colors[" #i "].blue", colors[i].blue, "==", blue, 'x'); \ |
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} \ |
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if (_colors[_i].alpha != alpha) { \ |
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g_assertion_message_cmpnum (G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \ |
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"colors[" #i "].alpha", _colors[_i].alpha, "==", alpha, 'x'); \ |
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} \ |
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} G_STMT_END |
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#if 0 |
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static void |
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test_hb_ot_color_get_palette_count (void) |
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{ |
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g_assert_cmpint (hb_ot_color_get_palette_count (hb_face_get_empty()), ==, 0); |
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g_assert_cmpint (hb_ot_color_get_palette_count (cpal_v0), ==, 2); |
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g_assert_cmpint (hb_ot_color_get_palette_count (cpal_v1), ==, 3); |
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} |
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static void |
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test_hb_ot_color_get_palette_name_id_empty (void) |
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{ |
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/* numPalettes=0, so all calls are for out-of-bounds palette indices */ |
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g_assert_cmpint (hb_ot_color_get_palette_name_id (hb_face_get_empty(), 0), ==, 0xffff); |
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g_assert_cmpint (hb_ot_color_get_palette_name_id (hb_face_get_empty(), 1), ==, 0xffff); |
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} |
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static void |
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test_hb_ot_color_get_palette_name_id_v0 (void) |
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{ |
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g_assert_cmpint (hb_ot_color_get_palette_name_id (cpal_v0, 0), ==, 0xffff); |
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g_assert_cmpint (hb_ot_color_get_palette_name_id (cpal_v0, 1), ==, 0xffff); |
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/* numPalettes=2, so palette #2 is out of bounds */ |
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g_assert_cmpint (hb_ot_color_get_palette_name_id (cpal_v0, 2), ==, 0xffff); |
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} |
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static void |
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test_hb_ot_color_get_palette_name_id_v1 (void) |
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{ |
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g_assert_cmpint (hb_ot_color_get_palette_name_id (cpal_v1, 0), ==, 257); |
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g_assert_cmpint (hb_ot_color_get_palette_name_id (cpal_v1, 1), ==, 0xffff); |
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g_assert_cmpint (hb_ot_color_get_palette_name_id (cpal_v1, 2), ==, 258); |
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/* numPalettes=3, so palette #3 is out of bounds */ |
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g_assert_cmpint (hb_ot_color_get_palette_name_id (cpal_v1, 3), ==, 0xffff); |
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} |
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static void |
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test_hb_ot_color_get_palette_flags_empty (void) |
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{ |
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/* numPalettes=0, so all calls are for out-of-bounds palette indices */ |
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g_assert_cmpint (hb_ot_color_get_palette_flags (hb_face_get_empty(), 0), ==, HB_OT_COLOR_PALETTE_FLAG_DEFAULT); |
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g_assert_cmpint (hb_ot_color_get_palette_flags (hb_face_get_empty(), 1), ==, HB_OT_COLOR_PALETTE_FLAG_DEFAULT); |
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} |
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static void |
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test_hb_ot_color_get_palette_flags_v0 (void) |
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{ |
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g_assert_cmpint (hb_ot_color_get_palette_flags (cpal_v0, 0), ==, HB_OT_COLOR_PALETTE_FLAG_DEFAULT); |
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g_assert_cmpint (hb_ot_color_get_palette_flags (cpal_v0, 1), ==, HB_OT_COLOR_PALETTE_FLAG_DEFAULT); |
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/* numPalettes=2, so palette #2 is out of bounds */ |
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g_assert_cmpint (hb_ot_color_get_palette_flags (cpal_v0, 2), ==, HB_OT_COLOR_PALETTE_FLAG_DEFAULT); |
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} |
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static void |
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test_hb_ot_color_get_palette_flags_v1 (void) |
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{ |
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g_assert_cmpint (hb_ot_color_get_palette_flags (cpal_v1, 0), ==, HB_OT_COLOR_PALETTE_FLAG_FOR_DARK_BACKGROUND); |
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g_assert_cmpint (hb_ot_color_get_palette_flags (cpal_v1, 1), ==, HB_OT_COLOR_PALETTE_FLAG_FOR_LIGHT_BACKGROUND); |
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g_assert_cmpint (hb_ot_color_get_palette_flags (cpal_v0, 2), ==, HB_OT_COLOR_PALETTE_FLAG_DEFAULT); |
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/* numPalettes=3, so palette #3 is out of bounds */ |
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g_assert_cmpint (hb_ot_color_get_palette_flags (cpal_v0, 3), ==, HB_OT_COLOR_PALETTE_FLAG_DEFAULT); |
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} |
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static void |
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test_hb_ot_color_get_palette_colors_empty (void) |
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{ |
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hb_face_t *empty = hb_face_get_empty (); |
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g_assert_cmpint (hb_ot_color_get_palette_colors (empty, 0, 0, NULL, NULL), ==, 0); |
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} |
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static void |
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test_hb_ot_color_get_palette_colors_v0 (void) |
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{ |
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unsigned int num_colors = hb_ot_color_get_palette_colors (cpal_v0, 0, 0, NULL, NULL); |
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hb_ot_color_t *colors = (hb_ot_color_t*) alloca (num_colors * sizeof (hb_ot_color_t)); |
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size_t colors_size = num_colors * sizeof(*colors); |
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g_assert_cmpint (num_colors, ==, 2); |
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/* Palette #0, start_index=0 */ |
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g_assert_cmpint (hb_ot_color_get_palette_colors (cpal_v0, 0, 0, &num_colors, colors), ==, 2); |
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g_assert_cmpint (num_colors, ==, 2); |
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assert_color_rgba (colors, 0, 0x00, 0x00, 0x00, 0xff); |
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assert_color_rgba (colors, 1, 0x66, 0xcc, 0xff, 0xff); |
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/* Palette #1, start_index=0 */ |
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g_assert_cmpint (hb_ot_color_get_palette_colors (cpal_v0, 1, 0, &num_colors, colors), ==, 2); |
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g_assert_cmpint (num_colors, ==, 2); |
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assert_color_rgba (colors, 0, 0x00, 0x00, 0x00, 0xff); |
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assert_color_rgba (colors, 1, 0x80, 0x00, 0x00, 0xff); |
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/* Palette #2 (there are only #0 and #1 in the font, so this is out of bounds) */ |
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g_assert_cmpint (hb_ot_color_get_palette_colors (cpal_v0, 2, 0, &num_colors, colors), ==, 0); |
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/* Palette #0, start_index=1 */ |
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memset(colors, 0x33, colors_size); |
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num_colors = 2; |
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g_assert_cmpint (hb_ot_color_get_palette_colors (cpal_v0, 0, 1, &num_colors, colors), ==, 2); |
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g_assert_cmpint (num_colors, ==, 1); |
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assert_color_rgba (colors, 0, 0x66, 0xcc, 0xff, 0xff); |
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assert_color_rgba (colors, 1, 0x33, 0x33, 0x33, 0x33); /* untouched */ |
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/* Palette #0, start_index=0, pretend that we have only allocated space for 1 color */ |
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memset(colors, 0x44, colors_size); |
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num_colors = 1; |
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g_assert_cmpint (hb_ot_color_get_palette_colors (cpal_v0, 0, 0, &num_colors, colors), ==, 2); |
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g_assert_cmpint (num_colors, ==, 1); |
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assert_color_rgba (colors, 0, 0x00, 0x00, 0x00, 0xff); |
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assert_color_rgba (colors, 1, 0x44, 0x44, 0x44, 0x44); /* untouched */ |
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/* start_index > numPaletteEntries */ |
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memset(colors, 0x44, colors_size); |
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num_colors = 2; |
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g_assert_cmpint (hb_ot_color_get_palette_colors (cpal_v0, 0, 9876, &num_colors, colors), ==, 2); |
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g_assert_cmpint (num_colors, ==, 0); |
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assert_color_rgba (colors, 0, 0x44, 0x44, 0x44, 0x44); /* untouched */ |
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assert_color_rgba (colors, 1, 0x44, 0x44, 0x44, 0x44); /* untouched */ |
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} |
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static void |
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test_hb_ot_color_get_palette_colors_v1 (void) |
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{ |
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hb_ot_color_t colors[3]; |
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unsigned int num_colors = hb_ot_color_get_palette_colors (cpal_v1, 0, 0, NULL, NULL); |
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size_t colors_size = 3 * sizeof(*colors); |
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g_assert_cmpint (num_colors, ==, 2); |
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/* Palette #0, start_index=0 */ |
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memset(colors, 0x77, colors_size); |
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g_assert_cmpint (hb_ot_color_get_palette_colors (cpal_v1, 0, 0, &num_colors, colors), ==, 2); |
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g_assert_cmpint (num_colors, ==, 2); |
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assert_color_rgba (colors, 0, 0x00, 0x00, 0x00, 0xff); |
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assert_color_rgba (colors, 1, 0x66, 0xcc, 0xff, 0xff); |
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assert_color_rgba (colors, 2, 0x77, 0x77, 0x77, 0x77); /* untouched */ |
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/* Palette #1, start_index=0 */ |
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memset(colors, 0x77, colors_size); |
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g_assert_cmpint (hb_ot_color_get_palette_colors (cpal_v1, 1, 0, &num_colors, colors), ==, 2); |
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g_assert_cmpint (num_colors, ==, 2); |
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assert_color_rgba (colors, 0, 0x00, 0x00, 0x00, 0xff); |
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assert_color_rgba (colors, 1, 0xff, 0xcc, 0x66, 0xff); |
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assert_color_rgba (colors, 2, 0x77, 0x77, 0x77, 0x77); /* untouched */ |
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/* Palette #2, start_index=0 */ |
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memset(colors, 0x77, colors_size); |
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g_assert_cmpint (hb_ot_color_get_palette_colors (cpal_v1, 2, 0, &num_colors, colors), ==, 2); |
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g_assert_cmpint (num_colors, ==, 2); |
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assert_color_rgba (colors, 0, 0x00, 0x00, 0x00, 0xff); |
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assert_color_rgba (colors, 1, 0x80, 0x00, 0x00, 0xff); |
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assert_color_rgba (colors, 2, 0x77, 0x77, 0x77, 0x77); /* untouched */ |
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/* Palette #3 (out of bounds), start_index=0 */ |
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memset(colors, 0x77, colors_size); |
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g_assert_cmpint (hb_ot_color_get_palette_colors (cpal_v1, 3, 0, &num_colors, colors), ==, 0); |
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g_assert_cmpint (num_colors, ==, 0); |
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assert_color_rgba (colors, 0, 0x77, 0x77, 0x77, 0x77); /* untouched */ |
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assert_color_rgba (colors, 1, 0x77, 0x77, 0x77, 0x77); /* untouched */ |
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assert_color_rgba (colors, 2, 0x77, 0x77, 0x77, 0x77); /* untouched */ |
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} |
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#endif |
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int |
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main (int argc, char **argv) |
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{ |
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int status = 0; |
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hb_test_init (&argc, &argv); |
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// cpal_v0 = hb_test_load_face ("../shaping/data/in-house/fonts/e90374e5e439e00725b4fe7a8d73db57c5a97f82.ttf"); |
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// cpal_v1 = hb_test_load_face ("../shaping/data/in-house/fonts/319f5d7ebffbefc5c5e6569f8cea73444d7a7268.ttf"); |
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// hb_test_add (test_hb_ot_color_get_palette_count); |
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// hb_test_add (test_hb_ot_color_get_palette_name_id_empty); |
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// hb_test_add (test_hb_ot_color_get_palette_name_id_v0); |
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// hb_test_add (test_hb_ot_color_get_palette_name_id_v1); |
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// hb_test_add (test_hb_ot_color_get_palette_flags_empty); |
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// hb_test_add (test_hb_ot_color_get_palette_flags_v0); |
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// hb_test_add (test_hb_ot_color_get_palette_flags_v1); |
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// hb_test_add (test_hb_ot_color_get_palette_colors_empty); |
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// hb_test_add (test_hb_ot_color_get_palette_colors_v0); |
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// hb_test_add (test_hb_ot_color_get_palette_colors_v1); |
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status = hb_test_run(); |
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hb_face_destroy (cpal_v0); |
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hb_face_destroy (cpal_v1); |
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return status; |
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}
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