719239cd69
Change-Id: I238d29ba0250224fa593845ae65192653f58faff Reviewed-on: https://skia-review.googlesource.com/c/skia/+/528156 Reviewed-by: Kevin Lubick <kjlubick@google.com> Reviewed-by: Jim Van Verth <jvanverth@google.com> Commit-Queue: Greg Daniel <egdaniel@google.com>
114 lines
3.9 KiB
C++
114 lines
3.9 KiB
C++
/*
|
|
* Copyright 2022 Google LLC
|
|
*
|
|
* Use of this source code is governed by a BSD-style license that can be
|
|
* found in the LICENSE file.
|
|
*/
|
|
|
|
#include "src/core/SkGlyph.h"
|
|
#include "src/gpu/ganesh/GrResourceProvider.h"
|
|
#include "src/gpu/ganesh/text/GrGlyphVector.h"
|
|
|
|
#include "src/core/SkGlyphBuffer.h"
|
|
#include "src/core/SkReadBuffer.h"
|
|
#include "src/core/SkStrikeCache.h"
|
|
#include "src/core/SkStrikeSpec.h"
|
|
#include "src/core/SkWriteBuffer.h"
|
|
#include "src/gpu/ganesh/GrSubRunAllocator.h"
|
|
#include "tests/Test.h"
|
|
|
|
class TestingPeer {
|
|
public:
|
|
static const SkDescriptor& GetDescriptor(const GrGlyphVector& v) {
|
|
return v.fStrike->getDescriptor();
|
|
}
|
|
static SkSpan<GrGlyphVector::Variant> GetGlyphs(const GrGlyphVector& v) {
|
|
return v.fGlyphs;
|
|
}
|
|
};
|
|
|
|
DEF_TEST(GrGlyphVector_Serialization, r) {
|
|
SkFont font;
|
|
auto [strikeSpec, _] = SkStrikeSpec::MakeCanonicalized(font);
|
|
|
|
GrSubRunAllocator alloc;
|
|
|
|
SkBulkGlyphMetricsAndImages glyphFinder{strikeSpec};
|
|
const int N = 10;
|
|
SkGlyphVariant* glyphs = alloc.makePODArray<SkGlyphVariant>(N);
|
|
for (int i = 0; i < N; i++) {
|
|
glyphs[i] = glyphFinder.glyph(SkPackedGlyphID(SkTo<SkGlyphID>(i + 1)));
|
|
}
|
|
|
|
GrGlyphVector src = GrGlyphVector::Make(
|
|
strikeSpec.findOrCreateStrike(), SkMakeSpan(glyphs, N), &alloc);
|
|
|
|
SkBinaryWriteBuffer wBuffer;
|
|
src.flatten(wBuffer);
|
|
|
|
auto data = wBuffer.snapshotAsData();
|
|
SkReadBuffer rBuffer{data->data(), data->size()};
|
|
auto dst = GrGlyphVector::MakeFromBuffer(rBuffer, nullptr, &alloc);
|
|
REPORTER_ASSERT(r, dst.has_value());
|
|
REPORTER_ASSERT(r, TestingPeer::GetDescriptor(src) == TestingPeer::GetDescriptor(*dst));
|
|
|
|
auto srcGlyphs = TestingPeer::GetGlyphs(src);
|
|
auto dstGlyphs = TestingPeer::GetGlyphs(*dst);
|
|
for (auto [srcGlyphID, dstGlyphID] : SkMakeZip(srcGlyphs, dstGlyphs)) {
|
|
REPORTER_ASSERT(r, srcGlyphID.packedGlyphID == dstGlyphID.packedGlyphID);
|
|
}
|
|
}
|
|
|
|
DEF_TEST(GrGlyphVector_BadLengths, r) {
|
|
{
|
|
SkFont font;
|
|
auto [strikeSpec, _] = SkStrikeSpec::MakeCanonicalized(font);
|
|
|
|
// Make broken stream by hand - zero length
|
|
SkBinaryWriteBuffer wBuffer;
|
|
strikeSpec.descriptor().flatten(wBuffer);
|
|
wBuffer.write32(0); // length
|
|
auto data = wBuffer.snapshotAsData();
|
|
SkReadBuffer rBuffer{data->data(), data->size()};
|
|
GrSubRunAllocator alloc;
|
|
auto dst = GrGlyphVector::MakeFromBuffer(rBuffer, nullptr, &alloc);
|
|
REPORTER_ASSERT(r, !dst.has_value());
|
|
}
|
|
|
|
{
|
|
SkFont font;
|
|
auto [strikeSpec, _] = SkStrikeSpec::MakeCanonicalized(font);
|
|
|
|
// Make broken stream by hand - stream is too short
|
|
SkBinaryWriteBuffer wBuffer;
|
|
strikeSpec.descriptor().flatten(wBuffer);
|
|
wBuffer.write32(5); // length
|
|
wBuffer.writeUInt(12); // random data
|
|
wBuffer.writeUInt(12); // random data
|
|
wBuffer.writeUInt(12); // random data
|
|
auto data = wBuffer.snapshotAsData();
|
|
SkReadBuffer rBuffer{data->data(), data->size()};
|
|
GrSubRunAllocator alloc;
|
|
auto dst = GrGlyphVector::MakeFromBuffer(rBuffer, nullptr, &alloc);
|
|
REPORTER_ASSERT(r, !dst.has_value());
|
|
}
|
|
|
|
{
|
|
SkFont font;
|
|
auto [strikeSpec, _] = SkStrikeSpec::MakeCanonicalized(font);
|
|
|
|
// Make broken stream by hand - length out of range of safe calculations
|
|
SkBinaryWriteBuffer wBuffer;
|
|
strikeSpec.descriptor().flatten(wBuffer);
|
|
wBuffer.write32(INT_MAX - 10); // length
|
|
wBuffer.writeUInt(12); // random data
|
|
wBuffer.writeUInt(12); // random data
|
|
wBuffer.writeUInt(12); // random data
|
|
auto data = wBuffer.snapshotAsData();
|
|
SkReadBuffer rBuffer{data->data(), data->size()};
|
|
GrSubRunAllocator alloc;
|
|
auto dst = GrGlyphVector::MakeFromBuffer(rBuffer, nullptr, &alloc);
|
|
REPORTER_ASSERT(r, !dst.has_value());
|
|
}
|
|
}
|