blob: 0405647c73badcbc397279dd484e9168952feceb [file] [log] [blame]
/*
* 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"
#include <algorithm>
#include <memory>
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() == (size_t)(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));
}
}
#if 0 // should we revitalize this by consing up a device for drawTextBlob() ?
DEF_TEST(GlyphRunBlob, reporter) {
constexpr uint16_t count = 5;
constexpr int runCount = 2;
auto tf = SkTypeface::MakeFromName("monospace", SkFontStyle());
SkFont font;
font.setTypeface(tf);
font.setHinting(kNormal_SkFontHinting);
font.setSize(1u);
SkTextBlobBuilder blobBuilder;
for (int runNum = 0; runNum < runCount; runNum++) {
const auto& runBuffer = blobBuilder.allocRunPosH(font, count, runNum);
SkASSERT(runBuffer.utf8text == nullptr);
SkASSERT(runBuffer.clusters == nullptr);
for (int i = 0; i < count; i++) {
runBuffer.glyphs[i] = static_cast<SkGlyphID>(i + runNum * count);
runBuffer.pos[i] = SkIntToScalar(i + runNum * count);
}
}
auto blob = blobBuilder.make();
SkGlyphRunBuilder runBuilder;
SkPaint legacy_paint;
font.LEGACY_applyToPaint(&legacy_paint);
runBuilder.drawTextBlob(legacy_paint, *blob, SkPoint::Make(0, 0));
auto runList = runBuilder.useGlyphRunList();
REPORTER_ASSERT(reporter, runList.size() == runCount);
int runIndex = 0;
for (auto& run : runList) {
REPORTER_ASSERT(reporter, run.runSize() == count);
int index = 0;
for (auto p : run.positions()) {
if (p.x() != runIndex * count + index) {
ERRORF(reporter, "x: %g != k: %d", p.x(), runIndex * count + index);
break;
}
index += 1;
}
runIndex += 1;
}
}
#endif