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/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "Test.h"
#include "SkTypeface.h"
#include "SkFontHost.h"
//#define DUMP_TABLES
#define kFontTableTag_head SkSetFourByteTag('h', 'e', 'a', 'd')
#define kFontTableTag_hhea SkSetFourByteTag('h', 'h', 'e', 'a')
#define kFontTableTag_os_slash_2 SkSetFourByteTag('O', 'S', '/', '2')
#define kFontTableTag_maxp SkSetFourByteTag('m', 'a', 'x', 'p')
static const struct TagSize {
SkFontTableTag fTag;
size_t fSize;
} gKnownTableSizes[] = {
{ kFontTableTag_head, 54 },
{ kFontTableTag_hhea, 36 },
{ kFontTableTag_os_slash_2, 96 },
{ kFontTableTag_maxp, 32 },
};
static void test_tables(skiatest::Reporter* reporter, SkTypeface* face) {
SkFontID fontID = face->uniqueID();
int count = SkFontHost::CountTables(fontID);
REPORTER_ASSERT(reporter, count > 0);
SkAutoTMalloc<SkFontTableTag> storage(count);
SkFontTableTag* tags = storage.get();
SkFontHost::GetTableTags(fontID, tags);
for (int i = 0; i < count; ++i) {
size_t size = SkFontHost::GetTableSize(fontID, tags[i]);
REPORTER_ASSERT(reporter, size > 0);
#ifdef DUMP_TABLES
char name[5];
name[0] = (tags[i] >> 24) & 0xFF;
name[1] = (tags[i] >> 16) & 0xFF;
name[2] = (tags[i] >> 8) & 0xFF;
name[3] = (tags[i] >> 0) & 0xFF;
name[4] = 0;
SkDebugf("%s %d\n", name, size);
#endif
for (size_t j = 0; j < SK_ARRAY_COUNT(gKnownTableSizes); ++j) {
if (gKnownTableSizes[j].fTag == tags[i]) {
REPORTER_ASSERT(reporter, gKnownTableSizes[j].fSize == size);
}
}
}
}
static void test_tables(skiatest::Reporter* reporter) {
static const char* const gNames[] = {
NULL, // default font
"Arial", "Times", "Times New Roman", "Helvetica", "Courier",
"Courier New",
};
for (size_t i = 0; i < SK_ARRAY_COUNT(gNames); ++i) {
SkTypeface* face = SkTypeface::CreateFromName(gNames[i],
SkTypeface::kNormal);
if (face) {
#ifdef DUMP_TABLES
SkDebugf("%s\n", gNames[i]);
#endif
test_tables(reporter, face);
face->unref();
}
}
}
static void TestFontHost(skiatest::Reporter* reporter) {
test_tables(reporter);
}
// need tests for SkStrSearch
#include "TestClassDef.h"
DEFINE_TESTCLASS("FontHost", FontHostTestClass, TestFontHost)
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