1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkPaint.h"
#include "SkUtils.h"
#include "Test.h"
// Simple test to ensure that when we call textToGlyphs, we get the same
// result (for the same text) when using UTF8, UTF16, UTF32.
// TODO: make the text more complex (i.e. incorporate chars>7bits)
DEF_TEST(Unicode_textencodings, reporter) {
const char text8[] = "ABCDEFGabcdefg0123456789";
uint16_t text16[sizeof(text8)];
int32_t text32[sizeof(text8)];
size_t len8 = strlen(text8);
size_t len16 = len8 * 2;
size_t len32 = len8 * 4;
// expand our 8bit chars to 16 and 32
for (size_t i = 0; i < len8; ++i) {
text32[i] = text16[i] = text8[i];
}
uint16_t glyphs8[sizeof(text8)];
uint16_t glyphs16[sizeof(text8)];
uint16_t glyphs32[sizeof(text8)];
SkPaint paint;
paint.setTextEncoding(SkPaint::kUTF8_TextEncoding);
int count8 = paint.textToGlyphs(text8, len8, glyphs8);
paint.setTextEncoding(SkPaint::kUTF16_TextEncoding);
int count16 = paint.textToGlyphs(text16, len16, glyphs16);
paint.setTextEncoding(SkPaint::kUTF32_TextEncoding);
int count32 = paint.textToGlyphs(text32, len32, glyphs32);
REPORTER_ASSERT(reporter, (int)len8 == count8);
REPORTER_ASSERT(reporter, (int)len8 == count16);
REPORTER_ASSERT(reporter, (int)len8 == count32);
REPORTER_ASSERT(reporter, !memcmp(glyphs8, glyphs16, count8 * sizeof(uint16_t)));
REPORTER_ASSERT(reporter, !memcmp(glyphs8, glyphs32, count8 * sizeof(uint16_t)));
}
|
