ea60b951d7
Change-Id: Ieac05047826b1fb80950d65573d38494a1a5c5e7 Reviewed-on: https://skia-review.googlesource.com/148383 Commit-Queue: Hal Canary <halcanary@google.com> Commit-Queue: Ben Wagner <bungeman@google.com> Auto-Submit: Hal Canary <halcanary@google.com> Reviewed-by: Ben Wagner <bungeman@google.com>
50 lines
1.6 KiB
C++
50 lines
1.6 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(SkPaint::kUTF8_TextEncoding);
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int count8 = paint.textToGlyphs(text8, len8, glyphs8);
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paint.setTextEncoding(SkPaint::kUTF16_TextEncoding);
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int count16 = paint.textToGlyphs(text16, len16, glyphs16);
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paint.setTextEncoding(SkPaint::kUTF32_TextEncoding);
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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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