static void TestUTF(skiatest::Reporter* reporter) {
static const struct {
const char* fUtf8;
SkUnichar fUni;
} gTest[] = {
{ "a", 'a' },
{ "\x7f", 0x7f },
{ "\xC2\x80", 0x80 },
{ "\xC3\x83", (3 << 6) | 3 },
{ "\xDF\xBF", 0x7ff },
{ "\xE0\xA0\x80", 0x800 },
{ "\xE0\xB0\xB8", 0xC38 },
{ "\xE3\x83\x83", (3 << 12) | (3 << 6) | 3 },
{ "\xEF\xBF\xBF", 0xFFFF },
{ "\xF0\x90\x80\x80", 0x10000 },
{ "\xF3\x83\x83\x83", (3 << 18) | (3 << 12) | (3 << 6) | 3 }
};
for (size_t i = 0; i < SK_ARRAY_COUNT(gTest); i++) {
const char* p = gTest[i].fUtf8;
int n = SkUTF8_CountUnichars(p);
SkUnichar u0 = SkUTF8_ToUnichar(gTest[i].fUtf8);
SkUnichar u1 = SkUTF8_NextUnichar(&p);
REPORTER_ASSERT(reporter, n == 1);
REPORTER_ASSERT(reporter, u0 == u1);
REPORTER_ASSERT(reporter, u0 == gTest[i].fUni);
REPORTER_ASSERT(reporter,
p - gTest[i].fUtf8 == (int)strlen(gTest[i].fUtf8));
}
test_utf16(reporter);
test_search(reporter);
test_refptr(reporter);
}
int SkFont::textToGlyphs(const void* text, size_t byteLength, SkTextEncoding encoding,
uint16_t glyphs[], int maxGlyphCount) const {
if (0 == byteLength) {
return 0;
}
SkASSERT(text);
int count = 0; // fix uninitialized warning (even though the switch is complete!)
switch (encoding) {
case kUTF8_SkTextEncoding:
count = SkUTF8_CountUnichars((const char*)text, byteLength);
break;
case kUTF16_SkTextEncoding:
count = SkUTF16_CountUnichars((const uint16_t*)text, SkToInt(byteLength >> 1));
break;
case kUTF32_SkTextEncoding:
count = SkToInt(byteLength >> 2);
break;
case kGlyphID_SkTextEncoding:
count = SkToInt(byteLength >> 1);
break;
}
if (nullptr == glyphs) {
return count;
}
// TODO: unify/eliminate SkTypeface::Encoding with SkTextEncoding
SkTypeface::Encoding typeface_encoding;
switch (encoding) {
case kUTF8_SkTextEncoding:
typeface_encoding = SkTypeface::kUTF8_Encoding;
break;
case kUTF16_SkTextEncoding:
typeface_encoding = SkTypeface::kUTF16_Encoding;
break;
case kUTF32_SkTextEncoding:
typeface_encoding = SkTypeface::kUTF32_Encoding;
break;
default:
SkASSERT(kGlyphID_SkTextEncoding == encoding);
// we can early exit, since we already have glyphIDs
memcpy(glyphs, text, count << 1);
return count;
}
(void)fTypeface->charsToGlyphs(text, typeface_encoding, glyphs, count);
return count;
}
int SkPaintPriv::ValidCountText(const void* text, size_t length, SkPaint::TextEncoding encoding) {
if (length == 0) {
return 0;
}
switch (encoding) {
case SkPaint::kUTF8_TextEncoding: return SkUTF8_CountUnichars(text, length);
case SkPaint::kUTF16_TextEncoding: return SkUTF16_CountUnichars(text, length);
case SkPaint::kUTF32_TextEncoding: return SkUTF32_CountUnichars(text, length);
case SkPaint::kGlyphID_TextEncoding:
if (SkIsAlign2(intptr_t(text)) && SkIsAlign2(length)) {
return length >> 1;
}
break;
}
return 0;
}
bool SkDisplayEvent::setProperty(int index, SkScriptValue& value) {
SkASSERT(index == SK_PROPERTY(key) || index == SK_PROPERTY(keys));
SkASSERT(value.fType == SkType_String);
SkString* string = value.fOperand.fString;
const char* chars = string->c_str();
int count = SkUTF8_CountUnichars(chars);
SkASSERT(count >= 1);
code = (SkKey) SkUTF8_NextUnichar(&chars);
fMax = code;
SkASSERT(count == 1 || index == SK_PROPERTY(keys));
if (--count > 0) {
SkASSERT(*chars == '-');
chars++;
fMax = (SkKey) SkUTF8_NextUnichar(&chars);
SkASSERT(fMax >= code);
}
return true;
}
