| /* |
| * 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 "include/core/SkFont.h" |
| #include "include/core/SkFontTypes.h" |
| #include "src/base/SkUTF.h" |
| #include "src/core/SkFontPriv.h" |
| #include "tests/Test.h" |
| |
| #include <cstdint> |
| #include <cstring> |
| #include <string> |
| |
| // 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)]; |
| |
| SkFont font; |
| |
| int count8 = font.textToGlyphs(text8, len8, SkTextEncoding::kUTF8, glyphs8, std::size(glyphs8)); |
| int count16 = font.textToGlyphs(text16, len16, SkTextEncoding::kUTF16, glyphs16, std::size(glyphs16)); |
| int count32 = font.textToGlyphs(text32, len32, SkTextEncoding::kUTF32, glyphs32, std::size(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))); |
| } |
| |
| DEF_TEST(glyphs_to_unichars, reporter) { |
| SkFont font; |
| |
| const int N = 52; |
| SkUnichar uni[N]; |
| for (int i = 0; i < 26; ++i) { |
| uni[i + 0] = i + 'A'; |
| uni[i + 26] = i + 'a'; |
| } |
| uint16_t glyphs[N]; |
| font.textToGlyphs(uni, sizeof(uni), SkTextEncoding::kUTF32, glyphs, N); |
| |
| SkUnichar uni2[N]; |
| SkFontPriv::GlyphsToUnichars(font, glyphs, N, uni2); |
| REPORTER_ASSERT(reporter, memcmp(uni, uni2, sizeof(uni)) == 0); |
| } |
| |