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[test] Add test-shape.c. Oops

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This commit is contained in:
Behdad Esfahbod 2011-05-12 10:53:57 -04:00
parent c098c3acc8
commit 23d2432219
1 changed files with 125 additions and 0 deletions
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/*
* Copyright © 2011 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): Behdad Esfahbod
*/
#include "hb-test.h"
/* Unit tests for hb-shape.h */
static const char test_data[] = "test\0data";
static void
glyph_advance_func (hb_font_t *font, void *font_data,
hb_codepoint_t glyph,
hb_position_t *x_advance, hb_position_t *y_advance,
void *user_data)
{
switch (glyph) {
case 1: *x_advance = 10; return;
case 2: *x_advance = 6; return;
case 3: *x_advance = 5; return;
}
}
static hb_codepoint_t
glyph_func (hb_font_t *font, void *font_data,
hb_codepoint_t unicode, hb_codepoint_t variant_selector,
void *user_data)
{
switch (unicode) {
case 'T': return 1;
case 'e': return 2;
case 's': return 3;
default: return 0;
}
}
static void
kerning_func (hb_font_t *font, void *font_data,
hb_codepoint_t left, hb_codepoint_t right,
hb_position_t *x_kern, hb_position_t *y_kern,
void *user_data)
{
if (left == 1 && right == 2) {
*x_kern = -2;
}
}
static const char TesT[] = "TesT";
static void
test_shape_ltr (void)
{
hb_blob_t *blob;
hb_face_t *face;
hb_font_funcs_t *ffuncs;
hb_font_t *font;
hb_buffer_t *buffer;
unsigned int len;
hb_glyph_info_t *glyphs;
hb_glyph_position_t *positions;
blob = hb_blob_create (test_data, sizeof (test_data), HB_MEMORY_MODE_READONLY, NULL, NULL);
face = hb_face_create (blob, 0);
hb_blob_destroy (blob);
font = hb_font_create (face);
hb_face_destroy (face);
hb_font_set_scale (font, 10, 10);
ffuncs = hb_font_funcs_create ();
hb_font_funcs_set_glyph_advance_func (ffuncs, glyph_advance_func, NULL, NULL);
hb_font_funcs_set_glyph_func (ffuncs, glyph_func, NULL, NULL);
hb_font_funcs_set_kerning_func (ffuncs, kerning_func, NULL, NULL);
hb_font_set_funcs (font, ffuncs, NULL, NULL);
hb_font_funcs_destroy (ffuncs);
buffer = hb_buffer_create (0);
hb_buffer_set_direction (buffer, HB_DIRECTION_LTR);
hb_buffer_add_utf8 (buffer, TesT, 4, 0, 4);
hb_shape (font, buffer, NULL, 0);
len = hb_buffer_get_length (buffer);
glyphs = hb_buffer_get_glyph_infos (buffer, NULL);
positions = hb_buffer_get_glyph_positions (buffer, NULL);
/* XXX check glyph output and positions */
hb_buffer_destroy (buffer);
hb_font_destroy (font);
}
int
main (int argc, char **argv)
{
hb_test_init (&argc, &argv);
//hb_test_add (test_shape_empty);
hb_test_add (test_shape_ltr);
return hb_test_run();
}