skia2/tests/TypefaceTest.cpp
scroggo 9a9a7b29e5 Revert of Move SkTypeface to sk_sp. (patchset #5 id:80001 of https://codereview.chromium.org/1933393002/ )
Reason for revert:
fontmgr_iterAndroid failing to draw emoji. E.g. https://gold.skia.org/search2?blame=6296da736fbf40aae881650c239420f64e576c3f&unt=true&head=true&query=source_type%3Dgm

Original issue's description:
> Move SkTypeface to sk_sp.
>
> Committed: https://skia.googlesource.com/skia/+/6296da736fbf40aae881650c239420f64e576c3f

TBR=reed@google.com,fmalita@chromium.org,tomhudson@google.com,bungeman@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Review-Url: https://codereview.chromium.org/1974783002
2016-05-12 06:22:30 -07:00

98 lines
3.6 KiB
C++

/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkRefCnt.h"
#include "SkTypeface.h"
#include "SkTypefaceCache.h"
#include "Test.h"
DEF_TEST(Typeface, reporter) {
SkAutoTUnref<SkTypeface> t1(SkTypeface::CreateFromName(nullptr, SkTypeface::kNormal));
SkAutoTUnref<SkTypeface> t2(SkTypeface::RefDefault(SkTypeface::kNormal));
REPORTER_ASSERT(reporter, SkTypeface::Equal(t1.get(), t2.get()));
REPORTER_ASSERT(reporter, SkTypeface::Equal(0, t1.get()));
REPORTER_ASSERT(reporter, SkTypeface::Equal(0, t2.get()));
REPORTER_ASSERT(reporter, SkTypeface::Equal(t1.get(), 0));
REPORTER_ASSERT(reporter, SkTypeface::Equal(t2.get(), 0));
#ifdef SK_BUILD_FOR_ANDROID
SkAutoTUnref<SkTypeface> t3(SkTypeface::CreateFromName("non-existent-font", SkTypeface::kNormal));
REPORTER_ASSERT(reporter, nullptr == t3.get());
#endif
}
namespace {
class SkEmptyTypeface : public SkTypeface {
public:
static sk_sp<SkTypeface> Create(SkFontID id) { return sk_sp<SkTypeface>(new SkEmptyTypeface(id)); }
protected:
SkEmptyTypeface(SkFontID id) : SkTypeface(SkFontStyle(), id, true) { }
SkStreamAsset* onOpenStream(int* ttcIndex) const override { return nullptr; }
SkScalerContext* onCreateScalerContext(const SkScalerContextEffects&,
const SkDescriptor*) const override {
return nullptr;
}
void onFilterRec(SkScalerContextRec*) const override { }
virtual SkAdvancedTypefaceMetrics* onGetAdvancedTypefaceMetrics(
PerGlyphInfo,
const uint32_t*, uint32_t) const override { return nullptr; }
void onGetFontDescriptor(SkFontDescriptor*, bool*) const override { }
virtual int onCharsToGlyphs(const void* chars, Encoding encoding,
uint16_t glyphs[], int glyphCount) const override {
SK_ABORT("unimplemented");
return 0;
}
int onCountGlyphs() const override { return 0; };
int onGetUPEM() const override { return 0; };
void onGetFamilyName(SkString* familyName) const override { familyName->reset(); }
SkTypeface::LocalizedStrings* onCreateFamilyNameIterator() const override {
SK_ABORT("unimplemented");
return nullptr;
};
int onGetTableTags(SkFontTableTag tags[]) const override { return 0; }
size_t onGetTableData(SkFontTableTag, size_t, size_t, void*) const override { return 0; }
};
}
static bool count_proc(SkTypeface* face, void* ctx) {
int* count = static_cast<int*>(ctx);
*count = *count + 1;
return false;
}
static int count(skiatest::Reporter* reporter, const SkTypefaceCache& cache) {
int count = 0;
SkTypeface* none = cache.findByProcAndRef(count_proc, &count);
REPORTER_ASSERT(reporter, none == nullptr);
return count;
}
DEF_TEST(TypefaceCache, reporter) {
sk_sp<SkTypeface> t1(SkEmptyTypeface::Create(1));
{
SkTypefaceCache cache;
REPORTER_ASSERT(reporter, count(reporter, cache) == 0);
{
sk_sp<SkTypeface> t0(SkEmptyTypeface::Create(0));
cache.add(t0.get());
REPORTER_ASSERT(reporter, count(reporter, cache) == 1);
cache.add(t1.get());
REPORTER_ASSERT(reporter, count(reporter, cache) == 2);
cache.purgeAll();
REPORTER_ASSERT(reporter, count(reporter, cache) == 2);
}
REPORTER_ASSERT(reporter, count(reporter, cache) == 2);
cache.purgeAll();
REPORTER_ASSERT(reporter, count(reporter, cache) == 1);
}
REPORTER_ASSERT(reporter, t1->unique());
}