86 lines
2.4 KiB
C++
86 lines
2.4 KiB
C++
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/*
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* Copyright 2012 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 "Test.h"
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#include "SkTypeface.h"
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#include "SkFontHost.h"
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//#define DUMP_TABLES
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#define kFontTableTag_head SkSetFourByteTag('h', 'e', 'a', 'd')
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#define kFontTableTag_hhea SkSetFourByteTag('h', 'h', 'e', 'a')
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#define kFontTableTag_maxp SkSetFourByteTag('m', 'a', 'x', 'p')
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static const struct TagSize {
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SkFontTableTag fTag;
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size_t fSize;
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} gKnownTableSizes[] = {
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{ kFontTableTag_head, 54 },
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{ kFontTableTag_hhea, 36 },
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{ kFontTableTag_maxp, 32 },
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};
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static void test_tables(skiatest::Reporter* reporter, SkTypeface* face) {
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SkFontID fontID = face->uniqueID();
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int count = SkFontHost::CountTables(fontID);
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SkAutoTMalloc<SkFontTableTag> storage(count);
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SkFontTableTag* tags = storage.get();
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SkFontHost::GetTableTags(fontID, tags);
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for (int i = 0; i < count; ++i) {
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size_t size = SkFontHost::GetTableSize(fontID, tags[i]);
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REPORTER_ASSERT(reporter, size > 0);
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#ifdef DUMP_TABLES
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char name[5];
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name[0] = (tags[i] >> 24) & 0xFF;
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name[1] = (tags[i] >> 16) & 0xFF;
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name[2] = (tags[i] >> 8) & 0xFF;
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name[3] = (tags[i] >> 0) & 0xFF;
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name[4] = 0;
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SkDebugf("%s %d\n", name, size);
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#endif
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for (size_t j = 0; j < SK_ARRAY_COUNT(gKnownTableSizes); ++j) {
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if (gKnownTableSizes[j].fTag == tags[i]) {
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REPORTER_ASSERT(reporter, gKnownTableSizes[j].fSize == size);
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}
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}
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}
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}
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static void test_tables(skiatest::Reporter* reporter) {
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static const char* const gNames[] = {
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NULL, // default font
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"Arial", "Times", "Times New Roman", "Helvetica", "Courier",
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"Courier New",
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};
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for (size_t i = 0; i < SK_ARRAY_COUNT(gNames); ++i) {
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SkTypeface* face = SkTypeface::CreateFromName(gNames[i],
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SkTypeface::kNormal);
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if (face) {
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#ifdef DUMP_TABLES
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SkDebugf("%s\n", gNames[i]);
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#endif
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test_tables(reporter, face);
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face->unref();
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}
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}
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}
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static void TestFontHost(skiatest::Reporter* reporter) {
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test_tables(reporter);
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}
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// need tests for SkStrSearch
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#include "TestClassDef.h"
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DEFINE_TESTCLASS("FontHost", FontHostTestClass, TestFontHost)
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