C++ SkTArray::reset方法代码示例

DEF_TEST(GrGLSLPrettyPrint, r) {
    SkTArray<const char*> testStr;
    SkTArray<int> lengths;
    testStr.push_back(input1.c_str());
    lengths.push_back((int)input1.size());
    testStr.push_back(input2.c_str());
    lengths.push_back((int)input2.size());
    testStr.push_back(input3.c_str());
    lengths.push_back((int)input3.size());
    testStr.push_back(input4.c_str());
    lengths.push_back((int)input4.size());
    testStr.push_back(input5.c_str());
    lengths.push_back((int)input5.size());
    testStr.push_back(input6.c_str());
    lengths.push_back((int)input6.size());

    SkString test = GrGLSLPrettyPrint::PrettyPrintGLSL(testStr.begin(), lengths.begin(),
                                                       testStr.count(), true);
    ASSERT(output1 == test);

    testStr.reset();
    lengths.reset();
    testStr.push_back(neg1.c_str());
    lengths.push_back((int)neg1.size());
    testStr.push_back(neg2.c_str());
    lengths.push_back((int)neg2.size());
    testStr.push_back(neg3.c_str());
    lengths.push_back((int)neg3.size());

    // Just test we don't crash with garbage input
    ASSERT(GrGLSLPrettyPrint::PrettyPrintGLSL(testStr.begin(), lengths.begin(), 1,
                                              true).c_str() != NULL);
}

void SkInternalAtlasTextTarget::deleteOps() {
    for (int i = 0; i < fOps.count(); ++i) {
        if (fOps[i]) {
            fOpMemoryPool->release(std::move(fOps[i]));
        }
    }
    fOps.reset();
}

void GLCpuPosInstancedArraysBench::teardown(const GrGLInterface* gl) {
    GR_GL_CALL(gl, BindBuffer(GR_GL_ARRAY_BUFFER, 0));
    GR_GL_CALL(gl, BindVertexArray(0));
    GR_GL_CALL(gl, BindTexture(GR_GL_TEXTURE_2D, 0));
    GR_GL_CALL(gl, BindFramebuffer(GR_GL_FRAMEBUFFER, 0));
    GR_GL_CALL(gl, DeleteTextures(1, &fTexture));
    GR_GL_CALL(gl, DeleteProgram(fProgram));
    GR_GL_CALL(gl, DeleteBuffers(fBuffers.count(), fBuffers.begin()));
    GR_GL_CALL(gl, DeleteVertexArrays(1, &fVAO));
    fBuffers.reset();
}

GrPathRange* GrGLPathRendering::createGlyphs(const SkTypeface* typeface,
                                             const SkDescriptor* desc,
                                             const SkStrokeRec& stroke) {
    if (NULL != desc || !caps().glyphLoadingSupport) {
        return GrPathRendering::createGlyphs(typeface, desc, stroke);
    }

    if (NULL == typeface) {
        typeface = SkTypeface::GetDefaultTypeface();
        SkASSERT(NULL != typeface);
    }

    int faceIndex;
    SkAutoTDelete<SkStream> fontStream(typeface->openStream(&faceIndex));

    const size_t fontDataLength = fontStream->getLength();
    if (0 == fontDataLength) {
        return GrPathRendering::createGlyphs(typeface, NULL, stroke);
    }

    SkTArray<uint8_t> fontTempBuffer;
    const void* fontData = fontStream->getMemoryBase();
    if (NULL == fontData) {
        // TODO: Find a more efficient way to pass the font data (e.g. open file descriptor).
        fontTempBuffer.reset(SkToInt(fontDataLength));
        fontStream->read(&fontTempBuffer.front(), fontDataLength);
        fontData = &fontTempBuffer.front();
    }

    const int numPaths = typeface->countGlyphs();
    const GrGLuint basePathID = this->genPaths(numPaths);
    SkAutoTUnref<GrGLPath> templatePath(SkNEW_ARGS(GrGLPath, (fGpu, SkPath(), stroke)));

    GrGLenum status;
    GL_CALL_RET(status, PathMemoryGlyphIndexArray(basePathID, GR_GL_STANDARD_FONT_FORMAT,
                                                  fontDataLength, fontData, faceIndex, 0,
                                                  numPaths, templatePath->pathID(),
                                                  SkPaint::kCanonicalTextSizeForPaths));

    if (GR_GL_FONT_GLYPHS_AVAILABLE != status) {
        this->deletePaths(basePathID, numPaths);
        return GrPathRendering::createGlyphs(typeface, NULL, stroke);
    }

    // This is a crude approximation. We may want to consider giving this class
    // a pseudo PathGenerator whose sole purpose is to track the approximate gpu
    // memory size.
    const size_t gpuMemorySize = fontDataLength / 4;
    return SkNEW_ARGS(GrGLPathRange, (fGpu, basePathID, numPaths, gpuMemorySize, stroke));
}

void SkConvolutionFilter1D::AddFilter(int filterOffset,
                                      const float* filterValues,
                                      int filterLength) {
    SkASSERT(filterLength > 0);

    SkTArray<ConvolutionFixed> fixedValues;
    fixedValues.reset(filterLength);

    for (int i = 0; i < filterLength; ++i) {
        fixedValues.push_back(FloatToFixed(filterValues[i]));
    }

    AddFilter(filterOffset, &fixedValues[0], filterLength);
}

static void TestTSet_basic(skiatest::Reporter* reporter) {
    SkTArray<int, MEM_MOVE> a;

    // Starts empty.
    REPORTER_ASSERT(reporter, a.empty());
    REPORTER_ASSERT(reporter, a.count() == 0);

    // { }, add a default constructed element
    a.push_back() = 0;
    REPORTER_ASSERT(reporter, !a.empty());
    REPORTER_ASSERT(reporter, a.count() == 1);

    // { 0 }, removeShuffle the only element.
    a.removeShuffle(0);
    REPORTER_ASSERT(reporter, a.empty());
    REPORTER_ASSERT(reporter, a.count() == 0);

    // { }, add a default, add a 1, remove first
    a.push_back() = 0;
    REPORTER_ASSERT(reporter, a.push_back() = 1);
    a.removeShuffle(0);
    REPORTER_ASSERT(reporter, !a.empty());
    REPORTER_ASSERT(reporter, a.count() == 1);
    REPORTER_ASSERT(reporter, a[0] == 1);

    // { 1 }, replace with new array
    int b[5] = { 0, 1, 2, 3, 4 };
    a.reset(b, SK_ARRAY_COUNT(b));
    REPORTER_ASSERT(reporter, a.count() == SK_ARRAY_COUNT(b));
    REPORTER_ASSERT(reporter, a[2] == 2);
    REPORTER_ASSERT(reporter, a[4] == 4);

    // { 0, 1, 2, 3, 4 }, removeShuffle the last
    a.removeShuffle(4);
    REPORTER_ASSERT(reporter, a.count() == SK_ARRAY_COUNT(b) - 1);
    REPORTER_ASSERT(reporter, a[3] == 3);

    // { 0, 1, 2, 3 }, remove a middle, note shuffle
    a.removeShuffle(1);
    REPORTER_ASSERT(reporter, a.count() == SK_ARRAY_COUNT(b) - 2);
    REPORTER_ASSERT(reporter, a[0] == 0);
    REPORTER_ASSERT(reporter, a[1] == 3);
    REPORTER_ASSERT(reporter, a[2] == 2);

    // {0, 3, 2 }
}

void CubicPathToQuads(const SkPath& cubicPath, SkPath* quadPath) {
    quadPath->reset();
    SkDCubic cubic;
    SkTArray<SkDQuad, true> quads;
    SkPath::RawIter iter(cubicPath);
    uint8_t verb;
    SkPoint pts[4];
    while ((verb = iter.next(pts)) != SkPath::kDone_Verb) {
        switch (verb) {
            case SkPath::kMove_Verb:
                quadPath->moveTo(pts[0].fX, pts[0].fY);
                continue;
            case SkPath::kLine_Verb:
                quadPath->lineTo(pts[1].fX, pts[1].fY);
                break;
            case SkPath::kQuad_Verb:
                quadPath->quadTo(pts[1].fX, pts[1].fY, pts[2].fX, pts[2].fY);
                break;
            case SkPath::kCubic_Verb:
                quads.reset();
                cubic.set(pts);
                CubicToQuads(cubic, cubic.calcPrecision(), quads);
                for (int index = 0; index < quads.count(); ++index) {
                    SkPoint qPts[2] = {
                        quads[index][1].asSkPoint(),
                        quads[index][2].asSkPoint()
                    };
                    quadPath->quadTo(qPts[0].fX, qPts[0].fY, qPts[1].fX, qPts[1].fY);
                }
                break;
            case SkPath::kClose_Verb:
                 quadPath->close();
                break;
            default:
                SkDEBUGFAIL("bad verb");
                return;
        }
    }
}