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95 lines
2.9 KiB
95 lines
2.9 KiB
/*
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* Copyright 2018 The Android Open Source Project
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SkGlyphRun.h"
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#include "SkTextBlob.h"
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#include "Test.h"
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#include <algorithm>
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#include <memory>
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DEF_TEST(GlyphRunGlyphIDSetBasic, reporter) {
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SkGlyphID glyphs[] = {100, 3, 240, 3, 234};
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auto glyphIDs = SkSpan<const SkGlyphID>(glyphs, SK_ARRAY_COUNT(glyphs));
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int universeSize = 1000;
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SkGlyphID uniqueGlyphs[SK_ARRAY_COUNT(glyphs)];
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uint16_t denseIndices[SK_ARRAY_COUNT(glyphs)];
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SkGlyphIDSet gs;
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auto uniqueGlyphIDs = gs.uniquifyGlyphIDs(universeSize, glyphIDs, uniqueGlyphs, denseIndices);
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std::vector<SkGlyphID> test{uniqueGlyphIDs.begin(), uniqueGlyphIDs.end()};
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std::sort(test.begin(), test.end());
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auto newEnd = std::unique(test.begin(), test.end());
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REPORTER_ASSERT(reporter, uniqueGlyphIDs.size() == (size_t)(newEnd - test.begin()));
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REPORTER_ASSERT(reporter, uniqueGlyphIDs.size() == 4);
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{
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uint16_t answer[] = {0, 1, 2, 1, 3};
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REPORTER_ASSERT(reporter,
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std::equal(answer, std::end(answer), denseIndices));
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}
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{
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SkGlyphID answer[] = {100, 3, 240, 234};
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REPORTER_ASSERT(reporter,
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std::equal(answer, std::end(answer), uniqueGlyphs));
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}
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}
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#if 0 // should we revitalize this by consing up a device for drawTextBlob() ?
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DEF_TEST(GlyphRunBlob, reporter) {
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constexpr uint16_t count = 5;
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constexpr int runCount = 2;
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auto tf = SkTypeface::MakeFromName("monospace", SkFontStyle());
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SkFont font;
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font.setTypeface(tf);
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font.setHinting(kNormal_SkFontHinting);
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font.setSize(1u);
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SkTextBlobBuilder blobBuilder;
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for (int runNum = 0; runNum < runCount; runNum++) {
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const auto& runBuffer = blobBuilder.allocRunPosH(font, count, runNum);
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SkASSERT(runBuffer.utf8text == nullptr);
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SkASSERT(runBuffer.clusters == nullptr);
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for (int i = 0; i < count; i++) {
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runBuffer.glyphs[i] = static_cast<SkGlyphID>(i + runNum * count);
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runBuffer.pos[i] = SkIntToScalar(i + runNum * count);
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}
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}
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auto blob = blobBuilder.make();
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SkGlyphRunBuilder runBuilder;
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SkPaint legacy_paint;
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font.LEGACY_applyToPaint(&legacy_paint);
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runBuilder.drawTextBlob(legacy_paint, *blob, SkPoint::Make(0, 0));
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auto runList = runBuilder.useGlyphRunList();
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REPORTER_ASSERT(reporter, runList.size() == runCount);
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int runIndex = 0;
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for (auto& run : runList) {
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REPORTER_ASSERT(reporter, run.runSize() == count);
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int index = 0;
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for (auto p : run.positions()) {
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if (p.x() != runIndex * count + index) {
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ERRORF(reporter, "x: %g != k: %d", p.x(), runIndex * count + index);
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break;
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}
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index += 1;
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}
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runIndex += 1;
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}
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}
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#endif
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