a0b54cd589
Bug: skia: Change-Id: I2defcea7e9a37bdd203acc4ca97fc47a7f57cd43 Reviewed-on: https://skia-review.googlesource.com/c/176221 Reviewed-by: Mike Reed <reed@google.com> Commit-Queue: Mike Reed <reed@google.com>
71 lines
2.1 KiB
C++
71 lines
2.1 KiB
C++
/*
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* Copyright 2011 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SkPaint.h"
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#include "SkUTF.h"
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#include "Test.h"
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// Simple test to ensure that when we call textToGlyphs, we get the same
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// result (for the same text) when using UTF8, UTF16, UTF32.
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// TODO: make the text more complex (i.e. incorporate chars>7bits)
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DEF_TEST(Unicode_textencodings, reporter) {
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const char text8[] = "ABCDEFGabcdefg0123456789";
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uint16_t text16[sizeof(text8)];
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int32_t text32[sizeof(text8)];
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size_t len8 = strlen(text8);
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size_t len16 = len8 * 2;
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size_t len32 = len8 * 4;
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// expand our 8bit chars to 16 and 32
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for (size_t i = 0; i < len8; ++i) {
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text32[i] = text16[i] = text8[i];
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}
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uint16_t glyphs8[sizeof(text8)];
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uint16_t glyphs16[sizeof(text8)];
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uint16_t glyphs32[sizeof(text8)];
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SkPaint paint;
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paint.setTextEncoding(kUTF8_SkTextEncoding);
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int count8 = paint.textToGlyphs(text8, len8, glyphs8);
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paint.setTextEncoding(kUTF16_SkTextEncoding);
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int count16 = paint.textToGlyphs(text16, len16, glyphs16);
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paint.setTextEncoding(kUTF32_SkTextEncoding);
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int count32 = paint.textToGlyphs(text32, len32, glyphs32);
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REPORTER_ASSERT(reporter, (int)len8 == count8);
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REPORTER_ASSERT(reporter, (int)len8 == count16);
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REPORTER_ASSERT(reporter, (int)len8 == count32);
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REPORTER_ASSERT(reporter, !memcmp(glyphs8, glyphs16, count8 * sizeof(uint16_t)));
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REPORTER_ASSERT(reporter, !memcmp(glyphs8, glyphs32, count8 * sizeof(uint16_t)));
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}
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#include "SkFont.h"
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#include "SkFontPriv.h"
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DEF_TEST(glyphs_to_unichars, reporter) {
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SkFont font;
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const int N = 52;
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SkUnichar uni[N];
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for (int i = 0; i < 26; ++i) {
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uni[i + 0] = i + 'A';
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uni[i + 26] = i + 'a';
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}
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uint16_t glyphs[N];
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font.textToGlyphs(uni, sizeof(uni), kUTF32_SkTextEncoding, glyphs, N);
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SkUnichar uni2[N];
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SkFontPriv::GlyphsToUnichars(font, glyphs, N, uni2);
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REPORTER_ASSERT(reporter, memcmp(uni, uni2, sizeof(uni)) == 0);
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}
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