skia2/tests/GlyphRunTest.cpp
Herb Derby fd77fe5d06 Use new SkGlyphIDSet - v3
v1 - had problems with msan and unintialized glyphs.
v2 - had problems with typefaces with no glyphs in them

This adds a check to make sure there are glyphs in the font
when going to uniquify.

Change-Id: Id27fa4578be33da1e468b4652db19740ddcadfc6
Reviewed-on: https://skia-review.googlesource.com/140785
Commit-Queue: Herb Derby <herb@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
2018-07-12 05:47:37 +00:00

52 lines
1.6 KiB
C++

/*
* Copyright 2018 The Android Open Source Project
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkGlyphRun.h"
#include "SkTextBlob.h"
#include "Test.h"
DEF_TEST(GlyphRunGlyphIDSetBasic, reporter) {
SkGlyphID glyphs[] = {100, 3, 240, 3, 234};
auto glyphIDs = SkSpan<const SkGlyphID>(glyphs, SK_ARRAY_COUNT(glyphs));
int universeSize = 1000;
SkGlyphID uniqueGlyphs[SK_ARRAY_COUNT(glyphs)];
uint16_t denseIndices[SK_ARRAY_COUNT(glyphs)];
SkGlyphIDSet gs;
auto uniqueGlyphIDs = gs.uniquifyGlyphIDs(universeSize, glyphIDs, uniqueGlyphs, denseIndices);
std::vector<SkGlyphID> test{uniqueGlyphIDs.begin(), uniqueGlyphIDs.end()};
std::sort(test.begin(), test.end());
auto newEnd = std::unique(test.begin(), test.end());
REPORTER_ASSERT(reporter, uniqueGlyphIDs.size() == newEnd - test.begin());
REPORTER_ASSERT(reporter, uniqueGlyphIDs.size() == 4);
{
uint16_t answer[] = {0, 1, 2, 1, 3};
REPORTER_ASSERT(reporter,
std::equal(answer, std::end(answer), denseIndices));
}
{
SkGlyphID answer[] = {100, 3, 240, 234};
REPORTER_ASSERT(reporter,
std::equal(answer, std::end(answer), uniqueGlyphs));
}
}
DEF_TEST(GlyphRunBasic, reporter) {
SkGlyphID glyphs[] = {100, 3, 240, 3, 234, 111, 3, 4, 10, 11};
uint16_t count = SK_ARRAY_COUNT(glyphs);
SkPaint paint;
paint.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
SkGlyphRunBuilder builder;
builder.prepareDrawText(paint, glyphs, count, SkPoint::Make(0, 0));
}