TextBlobTester Class Reference

Static Public Member Functions
static void	TestBuilder (skiatest::Reporter *reporter)
static void	TestBounds (skiatest::Reporter *reporter)
static void	TestPaintProps (skiatest::Reporter *reporter)

Detailed Description

Definition at line 42 of file TextBlobTest.cpp.

Member Function Documentation

TestBounds()

static void TextBlobTester::TestBounds ( skiatest::Reporter *  reporter )

inlinestatic

Definition at line 127 of file TextBlobTest.cpp.

                                                       {
        SkTextBlobBuilder builder;
        SkFont font = ToolUtils::DefaultFont();
 
        // Explicit bounds.
        {
            sk_sp<SkTextBlob> blob(builder.make());
            REPORTER_ASSERT(reporter, !blob);
        }
 
        {
            SkRect r1 = SkRect::MakeXYWH(10, 10, 20, 20);
            builder.allocRun(font, 16, 0, 0, &r1);
            sk_sp<SkTextBlob> blob(builder.make());
            REPORTER_ASSERT(reporter, blob->bounds() == r1);
        }
 
        {
            SkRect r1 = SkRect::MakeXYWH(10, 10, 20, 20);
            builder.allocRunPosH(font, 16, 0, &r1);
            sk_sp<SkTextBlob> blob(builder.make());
            REPORTER_ASSERT(reporter, blob->bounds() == r1);
        }
 
        {
            SkRect r1 = SkRect::MakeXYWH(10, 10, 20, 20);
            builder.allocRunPos(font, 16, &r1);
            sk_sp<SkTextBlob> blob(builder.make());
            REPORTER_ASSERT(reporter, blob->bounds() == r1);
        }
 
        {
            SkRect r1 = SkRect::MakeXYWH(10, 10, 20, 20);
            SkRect r2 = SkRect::MakeXYWH(15, 20, 50, 50);
            SkRect r3 = SkRect::MakeXYWH(0, 5, 10, 5);
 
            builder.allocRun(font, 16, 0, 0, &r1);
            builder.allocRunPosH(font, 16, 0, &r2);
            builder.allocRunPos(font, 16, &r3);
 
            sk_sp<SkTextBlob> blob(builder.make());
            REPORTER_ASSERT(reporter, blob->bounds() == SkRect::MakeXYWH(0, 5, 65, 65));
        }
 
        {
            sk_sp<SkTextBlob> blob(builder.make());
            REPORTER_ASSERT(reporter, !blob);
        }
 
        // Implicit bounds
 
        {
            // Exercise the empty bounds path, and ensure that RunRecord-aligned pos buffers
            // don't trigger asserts (http://crbug.com/542643).
            font.setSize(0);
 
            const char* txt = "BOOO";
            const size_t txtLen = strlen(txt);
            const int glyphCount = font.countText(txt, txtLen, SkTextEncoding::kUTF8);
            const SkTextBlobBuilder::RunBuffer& buffer = builder.allocRunPos(font, glyphCount);
 
            font.textToGlyphs(txt, txtLen, SkTextEncoding::kUTF8, buffer.glyphs, glyphCount);
 
            memset(buffer.pos, 0, sizeof(SkScalar) * glyphCount * 2);
            sk_sp<SkTextBlob> blob(builder.make());
            REPORTER_ASSERT(reporter, blob->bounds().isEmpty());
        }
    }

TestBuilder()

static void TextBlobTester::TestBuilder ( skiatest::Reporter *  reporter )

inlinestatic

Definition at line 46 of file TextBlobTest.cpp.

                                                        {
        SkTextBlobBuilder builder;
 
        // empty run set
        RunBuilderTest(reporter, builder, nullptr, 0, nullptr, 0);
 
        RunDef set1[] = {
            { 128, SkTextBlobRunIterator::kDefault_Positioning, 100, 100 },
        };
        RunBuilderTest(reporter, builder, set1, std::size(set1), set1, std::size(set1));
 
        RunDef set2[] = {
            { 128, SkTextBlobRunIterator::kHorizontal_Positioning, 100, 100 },
        };
        RunBuilderTest(reporter, builder, set2, std::size(set2), set2, std::size(set2));
 
        RunDef set3[] = {
            { 128, SkTextBlobRunIterator::kFull_Positioning, 100, 100 },
        };
        RunBuilderTest(reporter, builder, set3, std::size(set3), set3, std::size(set3));
 
        RunDef set4[] = {
            { 128, SkTextBlobRunIterator::kDefault_Positioning, 100, 150 },
            { 128, SkTextBlobRunIterator::kDefault_Positioning, 100, 150 },
            { 128, SkTextBlobRunIterator::kDefault_Positioning, 100, 150 },
        };
        RunBuilderTest(reporter, builder, set4, std::size(set4), set4, std::size(set4));
 
        RunDef set5[] = {
            { 128, SkTextBlobRunIterator::kHorizontal_Positioning, 100, 150 },
            { 128, SkTextBlobRunIterator::kHorizontal_Positioning, 200, 150 },
            { 128, SkTextBlobRunIterator::kHorizontal_Positioning, 300, 250 },
        };
        RunDef mergedSet5[] = {
            { 256, SkTextBlobRunIterator::kHorizontal_Positioning, 0, 150 },
            { 128, SkTextBlobRunIterator::kHorizontal_Positioning, 0, 250 },
        };
        RunBuilderTest(reporter, builder, set5, std::size(set5), mergedSet5,
                       std::size(mergedSet5));
 
        RunDef set6[] = {
            { 128, SkTextBlobRunIterator::kFull_Positioning, 100, 100 },
            { 128, SkTextBlobRunIterator::kFull_Positioning, 200, 200 },
            { 128, SkTextBlobRunIterator::kFull_Positioning, 300, 300 },
        };
        RunDef mergedSet6[] = {
            { 384, SkTextBlobRunIterator::kFull_Positioning, 0, 0 },
        };
        RunBuilderTest(reporter, builder, set6, std::size(set6), mergedSet6,
                       std::size(mergedSet6));
 
        RunDef set7[] = {
            { 128, SkTextBlobRunIterator::kDefault_Positioning, 100, 150 },
            { 128, SkTextBlobRunIterator::kDefault_Positioning, 100, 150 },
            { 128, SkTextBlobRunIterator::kHorizontal_Positioning, 100, 150 },
            { 128, SkTextBlobRunIterator::kHorizontal_Positioning, 200, 150 },
            { 128, SkTextBlobRunIterator::kFull_Positioning, 400, 350 },
            { 128, SkTextBlobRunIterator::kFull_Positioning, 400, 350 },
            { 128, SkTextBlobRunIterator::kDefault_Positioning, 100, 450 },
            { 128, SkTextBlobRunIterator::kDefault_Positioning, 100, 450 },
            { 128, SkTextBlobRunIterator::kHorizontal_Positioning, 100, 550 },
            { 128, SkTextBlobRunIterator::kHorizontal_Positioning, 200, 650 },
            { 128, SkTextBlobRunIterator::kFull_Positioning, 400, 750 },
            { 128, SkTextBlobRunIterator::kFull_Positioning, 400, 850 },
        };
        RunDef mergedSet7[] = {
            { 128, SkTextBlobRunIterator::kDefault_Positioning, 100, 150 },
            { 128, SkTextBlobRunIterator::kDefault_Positioning, 100, 150 },
            { 256, SkTextBlobRunIterator::kHorizontal_Positioning, 0, 150 },
            { 256, SkTextBlobRunIterator::kFull_Positioning, 0, 0 },
            { 128, SkTextBlobRunIterator::kDefault_Positioning, 100, 450 },
            { 128, SkTextBlobRunIterator::kDefault_Positioning, 100, 450 },
            { 128, SkTextBlobRunIterator::kHorizontal_Positioning, 0, 550 },
            { 128, SkTextBlobRunIterator::kHorizontal_Positioning, 0, 650 },
            { 256, SkTextBlobRunIterator::kFull_Positioning, 0, 0 },
        };
        RunBuilderTest(reporter, builder, set7, std::size(set7), mergedSet7,
                       std::size(mergedSet7));
    }

TestPaintProps()

static void TextBlobTester::TestPaintProps ( skiatest::Reporter *  reporter )

inlinestatic

Definition at line 197 of file TextBlobTest.cpp.

                                                           {
        SkFont font;
        // Kitchen sink font.
        font.setSize(42);
        font.setScaleX(4.2f);
        font.setTypeface(ToolUtils::CreatePortableTypeface("Sans", SkFontStyle::Bold()));
        font.setSkewX(0.42f);
        font.setHinting(SkFontHinting::kFull);
        font.setEdging(SkFont::Edging::kSubpixelAntiAlias);
        font.setEmbolden(true);
        font.setLinearMetrics(true);
        font.setSubpixel(true);
        font.setEmbeddedBitmaps(true);
        font.setForceAutoHinting(true);
 
        // Ensure we didn't pick default values by mistake.
        SkFont defaultFont = ToolUtils::DefaultFont();
        REPORTER_ASSERT(reporter, defaultFont.getSize() != font.getSize());
        REPORTER_ASSERT(reporter, defaultFont.getScaleX() != font.getScaleX());
        REPORTER_ASSERT(reporter, defaultFont.getTypeface() != font.getTypeface());
        REPORTER_ASSERT(reporter, defaultFont.getSkewX() != font.getSkewX());
        REPORTER_ASSERT(reporter, defaultFont.getHinting() != font.getHinting());
        REPORTER_ASSERT(reporter, defaultFont.getEdging() != font.getEdging());
        REPORTER_ASSERT(reporter, defaultFont.isEmbolden() != font.isEmbolden());
        REPORTER_ASSERT(reporter, defaultFont.isLinearMetrics() != font.isLinearMetrics());
        REPORTER_ASSERT(reporter, defaultFont.isSubpixel() != font.isSubpixel());
        REPORTER_ASSERT(reporter,
                        defaultFont.isEmbeddedBitmaps() != font.isEmbeddedBitmaps());
        REPORTER_ASSERT(reporter, defaultFont.isForceAutoHinting() != font.isForceAutoHinting());
 
        SkTextBlobBuilder builder;
        AddRun(font, 1, SkTextBlobRunIterator::kDefault_Positioning, SkPoint::Make(0, 0), builder);
        AddRun(font, 1, SkTextBlobRunIterator::kHorizontal_Positioning, SkPoint::Make(0, 0),
               builder);
        AddRun(font, 1, SkTextBlobRunIterator::kFull_Positioning, SkPoint::Make(0, 0), builder);
        sk_sp<SkTextBlob> blob(builder.make());
 
        SkTextBlobRunIterator it(blob.get());
        while (!it.done()) {
            REPORTER_ASSERT(reporter, it.font() == font);
            it.next();
        }
 
    }

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The documentation for this class was generated from the following file:

• third_party/skia/tests/TextBlobTest.cpp