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UnicodeTest.cpp File Reference
#include "include/core/SkFont.h"
#include "include/core/SkFontTypes.h"
#include "src/base/SkUTF.h"
#include "src/core/SkFontPriv.h"
#include "tests/Test.h"
#include "tools/fonts/FontToolUtils.h"
#include <cstdint>
#include <cstring>
#include <string>

Go to the source code of this file.

Functions

 DEF_TEST (Unicode_textencodings, reporter)
 
 DEF_TEST (glyphs_to_unichars, reporter)
 

Function Documentation

◆ DEF_TEST() [1/2]

DEF_TEST ( glyphs_to_unichars  ,
reporter   
)

Definition at line 53 of file UnicodeTest.cpp.

53 {
55
56 const int N = 52;
57 SkUnichar uni[N];
58 for (int i = 0; i < 26; ++i) {
59 uni[i + 0] = i + 'A';
60 uni[i + 26] = i + 'a';
61 }
62 uint16_t glyphs[N];
63 font.textToGlyphs(uni, sizeof(uni), SkTextEncoding::kUTF32, glyphs, N);
64
65 SkUnichar uni2[N];
67 REPORTER_ASSERT(reporter, memcmp(uni, uni2, sizeof(uni)) == 0);
68}
reporter
uint16_t glyphs[5]
@ kUTF32
uses four byte words to represent all of Unicode
int32_t SkUnichar
Definition SkTypes.h:175
#define REPORTER_ASSERT(r, cond,...)
Definition Test.h:286
#define N
Definition beziers.cpp:19
static void GlyphsToUnichars(const SkFont &, const uint16_t glyphs[], int count, SkUnichar[])
Definition SkFont.cpp:396
SkFont DefaultFont()
font
Font Metadata and Metrics.

◆ DEF_TEST() [2/2]

DEF_TEST ( Unicode_textencodings  ,
reporter   
)

Definition at line 22 of file UnicodeTest.cpp.

22 {
23 const char text8[] = "ABCDEFGabcdefg0123456789";
24 uint16_t text16[sizeof(text8)];
25 int32_t text32[sizeof(text8)];
26 size_t len8 = strlen(text8);
27 size_t len16 = len8 * 2;
28 size_t len32 = len8 * 4;
29
30 // expand our 8bit chars to 16 and 32
31 for (size_t i = 0; i < len8; ++i) {
32 text32[i] = text16[i] = text8[i];
33 }
34
35 uint16_t glyphs8[sizeof(text8)];
36 uint16_t glyphs16[sizeof(text8)];
37 uint16_t glyphs32[sizeof(text8)];
38
40
41 int count8 = font.textToGlyphs(text8, len8, SkTextEncoding::kUTF8, glyphs8, std::size(glyphs8));
42 int count16 = font.textToGlyphs(text16, len16, SkTextEncoding::kUTF16, glyphs16, std::size(glyphs16));
43 int count32 = font.textToGlyphs(text32, len32, SkTextEncoding::kUTF32, glyphs32, std::size(glyphs32));
44
45 REPORTER_ASSERT(reporter, (int)len8 == count8);
46 REPORTER_ASSERT(reporter, (int)len8 == count16);
47 REPORTER_ASSERT(reporter, (int)len8 == count32);
48
49 REPORTER_ASSERT(reporter, !memcmp(glyphs8, glyphs16, count8 * sizeof(uint16_t)));
50 REPORTER_ASSERT(reporter, !memcmp(glyphs8, glyphs32, count8 * sizeof(uint16_t)));
51}
@ kUTF8
uses bytes to represent UTF-8 or ASCII
@ kUTF16
uses two byte words to represent most of Unicode