C++ SkMatrix::setSkew方法代码示例

本文整理汇总了C++中SkMatrix::setSkew方法的典型用法代码示例。如果您正苦于以下问题：C++ SkMatrix::setSkew方法的具体用法？C++ SkMatrix::setSkew怎么用？C++ SkMatrix::setSkew使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类SkMatrix的用法示例。

在下文中一共展示了SkMatrix::setSkew方法的11个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: makeMatrices

    void makeMatrices() {
        {
            SkMatrix m;
            m.setScale(SkIntToScalar(2), SkIntToScalar(3));
            fMatrices.push_back(m);
        }

        {
            SkMatrix m;
            m.setScale(SkIntToScalar(2), SkIntToScalar(2));
            fMatrices.push_back(m);
        }

        {
            SkMatrix m;
            m.setSkew(SkIntToScalar(2), SkIntToScalar(3));
            fMatrices.push_back(m);
        }

        {
            SkMatrix m;
            m.setSkew(SkIntToScalar(2), SkIntToScalar(2));
            fMatrices.push_back(m);
        }

        {
            SkMatrix m;
            m.setRotate(SkIntToScalar(30));
            fMatrices.push_back(m);
        }
    }

开发者ID:aseprite，项目名称:skia，代码行数:31，代码来源:circles.cpp

示例2: onDraw

    virtual void onDraw(SkCanvas* canvas) {
        canvas->clear(SK_ColorBLACK);
        SkMatrix matrix;
        SkScalar margin = SkIntToScalar(10);
        matrix.setSkew(SkDoubleToScalar(0.5), SkDoubleToScalar(0.2));
        SkBitmap checkerboard;
        make_checkerboard(&checkerboard);

        SkRect srcRect = SkRect::MakeWH(96, 96);

        canvas->translate(margin, margin);
        draw(canvas, srcRect, checkerboard, matrix, kNone_SkFilterQuality);

        canvas->translate(srcRect.width() + margin, 0);
        draw(canvas, srcRect, checkerboard, matrix, kLow_SkFilterQuality);

#if 0
        // This may be causing Mac 10.6 to barf.
        canvas->translate(srcRect.width() + margin, 0);
        draw(canvas, srcRect, checkerboard, matrix, kMedium_SkFilterQuality);

        canvas->translate(srcRect.width() + margin, 0);
        draw(canvas, srcRect, checkerboard, matrix, kHigh_SkFilterQuality);
#endif
    }

开发者ID:Arternis，项目名称:skia，代码行数:25，代码来源:matriximagefilter.cpp

示例3: NativeSetSkew

void Matrix::NativeSetSkew(
    /* [in] */ Int64 nObj,
    /* [in] */ Float kx,
    /* [in] */ Float ky)
{
    SkMatrix* obj = reinterpret_cast<SkMatrix*>(nObj);
    obj->setSkew(kx, ky);
}

开发者ID:maerson，项目名称:CPP_Framework_Elastos5，代码行数:8，代码来源:Matrix.cpp

示例4: makeMatrices

    void makeMatrices() {
        {
            // 1x1.5 scale
            SkMatrix m;
            m.setScale(1, 1.5f);
            fMatrices.push_back(m);
        }

        {
            // 1.5x1.5 scale
            SkMatrix m;
            m.setScale(1.5f, 1.5f);
            fMatrices.push_back(m);
        }

        {
            // 1x1.5 skew
            SkMatrix m;
            m.setSkew(1, 1.5f);
            fMatrices.push_back(m);
        }

        {
            // 1.5x1.5 skew
            SkMatrix m;
            m.setSkew(1.5f, 1.5f);
            fMatrices.push_back(m);
        }

        {
            // 30 degree rotation
            SkMatrix m;
            m.setRotate(SkIntToScalar(30));
            fMatrices.push_back(m);
        }

        {
            // 90 degree rotation
            SkMatrix m;
            m.setRotate(SkIntToScalar(90));
            fMatrices.push_back(m);
        }
    }

开发者ID:Crawping，项目名称:chromium_extract，代码行数:43，代码来源:rects.cpp

示例5: makeMatrices

    void makeMatrices() {
        {
        SkMatrix m;
        m.setIdentity();
        fMatrices.push_back(m);
        }

        {
        SkMatrix m;
        m.setScale(SkIntToScalar(3), SkIntToScalar(2));
        fMatrices.push_back(m);
        }

        {
        SkMatrix m;
        m.setScale(SkIntToScalar(2), SkIntToScalar(2));
        fMatrices.push_back(m);
        }

        {
        SkMatrix m;
        m.setScale(SkIntToScalar(1), SkIntToScalar(2));
        fMatrices.push_back(m);
        }

        {
        SkMatrix m;
        m.setScale(SkIntToScalar(4), SkIntToScalar(1));
        fMatrices.push_back(m);
        }

        {
        SkMatrix m;
        m.setRotate(SkIntToScalar(90));
        fMatrices.push_back(m);
        }

        {
        SkMatrix m;
        m.setSkew(SkIntToScalar(2), SkIntToScalar(3));
        fMatrices.push_back(m);
        }

        {
        SkMatrix m;
        m.setRotate(SkIntToScalar(60));
        fMatrices.push_back(m);
        }
    }

开发者ID:afedorychak，项目名称:skia，代码行数:49，代码来源:ovals.cpp

示例6: onDrawContent

    void onDrawContent(SkCanvas* canvas) override {
        const int nu = 10;
        const int nv = 10;

        SkPaint paint;
        paint.setDither(true);
        paint.setFilterQuality(kLow_SkFilterQuality);

        canvas->translate(DX, DY);

        Patch   patch;

        paint.setShader(fShader0);
        if (fSize0.fX == 0) {
            fSize0.fX = 1;
        }
        if (fSize0.fY == 0) {
            fSize0.fY = 1;
        }
        patch.setBounds(fSize0.fX, fSize0.fY);

        patch.setPatch(fPts);
        drawpatches(canvas, paint, nu, nv, &patch);

        paint.setShader(nullptr);
        paint.setAntiAlias(true);
        paint.setStrokeWidth(SkIntToScalar(5));
        canvas->drawPoints(SkCanvas::kPoints_PointMode, SK_ARRAY_COUNT(fPts), fPts, paint);

        canvas->translate(0, SkIntToScalar(300));

        paint.setAntiAlias(false);
        paint.setShader(fShader1);
        if (true) {
            SkMatrix m;
            m.setSkew(1, 0);
            SkShader* s = SkShader::CreateLocalMatrixShader(paint.getShader(), m);
            paint.setShader(s)->unref();
        }
        if (true) {
            SkMatrix m;
            m.setRotate(fAngle);
            SkShader* s = SkShader::CreateLocalMatrixShader(paint.getShader(), m);
            paint.setShader(s)->unref();
        }
        patch.setBounds(fSize1.fX, fSize1.fY);
        drawpatches(canvas, paint, nu, nv, &patch);
    }

开发者ID:Just-D，项目名称:skia，代码行数:48，代码来源:SamplePatch.cpp

示例7: test_matrix_is_similarity

static void test_matrix_is_similarity(skiatest::Reporter* reporter) {
    SkMatrix mat;

    // identity
    mat.setIdentity();
    REPORTER_ASSERT(reporter, mat.isSimilarity());

    // translation only
    mat.reset();
    mat.setTranslate(SkIntToScalar(100), SkIntToScalar(100));
    REPORTER_ASSERT(reporter, mat.isSimilarity());

    // scale with same size
    mat.reset();
    mat.setScale(SkIntToScalar(15), SkIntToScalar(15));
    REPORTER_ASSERT(reporter, mat.isSimilarity());

    // scale with one negative
    mat.reset();
    mat.setScale(SkIntToScalar(-15), SkIntToScalar(15));
    REPORTER_ASSERT(reporter, mat.isSimilarity());

    // scale with different size
    mat.reset();
    mat.setScale(SkIntToScalar(15), SkIntToScalar(20));
    REPORTER_ASSERT(reporter, !mat.isSimilarity());

    // scale with same size at a pivot point
    mat.reset();
    mat.setScale(SkIntToScalar(15), SkIntToScalar(15),
                 SkIntToScalar(2), SkIntToScalar(2));
    REPORTER_ASSERT(reporter, mat.isSimilarity());

    // scale with different size at a pivot point
    mat.reset();
    mat.setScale(SkIntToScalar(15), SkIntToScalar(20),
                 SkIntToScalar(2), SkIntToScalar(2));
    REPORTER_ASSERT(reporter, !mat.isSimilarity());

    // skew with same size
    mat.reset();
    mat.setSkew(SkIntToScalar(15), SkIntToScalar(15));
    REPORTER_ASSERT(reporter, !mat.isSimilarity());

    // skew with different size
    mat.reset();
    mat.setSkew(SkIntToScalar(15), SkIntToScalar(20));
    REPORTER_ASSERT(reporter, !mat.isSimilarity());

    // skew with same size at a pivot point
    mat.reset();
    mat.setSkew(SkIntToScalar(15), SkIntToScalar(15),
                SkIntToScalar(2), SkIntToScalar(2));
    REPORTER_ASSERT(reporter, !mat.isSimilarity());

    // skew with different size at a pivot point
    mat.reset();
    mat.setSkew(SkIntToScalar(15), SkIntToScalar(20),
                SkIntToScalar(2), SkIntToScalar(2));
    REPORTER_ASSERT(reporter, !mat.isSimilarity());

    // perspective x
    mat.reset();
    mat.setPerspX(SkScalarToPersp(SK_Scalar1 / 2));
    REPORTER_ASSERT(reporter, !mat.isSimilarity());

    // perspective y
    mat.reset();
    mat.setPerspY(SkScalarToPersp(SK_Scalar1 / 2));
    REPORTER_ASSERT(reporter, !mat.isSimilarity());

    // rotate
    for (int angle = 0; angle < 360; ++angle) {
        mat.reset();
        mat.setRotate(SkIntToScalar(angle));
        REPORTER_ASSERT(reporter, mat.isSimilarity());
    }

    // see if there are any accumulated precision issues
    mat.reset();
    for (int i = 1; i < 360; i++) {
        mat.postRotate(SkIntToScalar(1));
    }
    REPORTER_ASSERT(reporter, mat.isSimilarity());

    // rotate + translate
    mat.reset();
    mat.setRotate(SkIntToScalar(30));
    mat.postTranslate(SkIntToScalar(10), SkIntToScalar(20));
    REPORTER_ASSERT(reporter, mat.isSimilarity());

    // rotate + uniform scale
    mat.reset();
    mat.setRotate(SkIntToScalar(30));
    mat.postScale(SkIntToScalar(2), SkIntToScalar(2));
    REPORTER_ASSERT(reporter, mat.isSimilarity());

    // rotate + non-uniform scale
    mat.reset();
    mat.setRotate(SkIntToScalar(30));
//.........这里部分代码省略.........

开发者ID:Adenilson，项目名称:skia，代码行数:101，代码来源:MatrixTest.cpp

示例8: test_matrix_is_similarity

static void test_matrix_is_similarity(skiatest::Reporter* reporter) {
    SkMatrix mat;

    // identity
    mat.setIdentity();
    REPORTER_ASSERT(reporter, mat.isSimilarity());

    // translation only
    mat.reset();
    mat.setTranslate(SkIntToScalar(100), SkIntToScalar(100));
    REPORTER_ASSERT(reporter, mat.isSimilarity());

    // scale with same size
    mat.reset();
    mat.setScale(SkIntToScalar(15), SkIntToScalar(15));
    REPORTER_ASSERT(reporter, mat.isSimilarity());

    // scale with one negative
    mat.reset();
    mat.setScale(SkIntToScalar(-15), SkIntToScalar(15));
    REPORTER_ASSERT(reporter, mat.isSimilarity());

    // scale with different size
    mat.reset();
    mat.setScale(SkIntToScalar(15), SkIntToScalar(20));
    REPORTER_ASSERT(reporter, !mat.isSimilarity());

    // scale with same size at a pivot point
    mat.reset();
    mat.setScale(SkIntToScalar(15), SkIntToScalar(15),
                 SkIntToScalar(2), SkIntToScalar(2));
    REPORTER_ASSERT(reporter, mat.isSimilarity());

    // scale with different size at a pivot point
    mat.reset();
    mat.setScale(SkIntToScalar(15), SkIntToScalar(20),
                 SkIntToScalar(2), SkIntToScalar(2));
    REPORTER_ASSERT(reporter, !mat.isSimilarity());

    // skew with same size
    mat.reset();
    mat.setSkew(SkIntToScalar(15), SkIntToScalar(15));
    REPORTER_ASSERT(reporter, !mat.isSimilarity());

    // skew with different size
    mat.reset();
    mat.setSkew(SkIntToScalar(15), SkIntToScalar(20));
    REPORTER_ASSERT(reporter, !mat.isSimilarity());

    // skew with same size at a pivot point
    mat.reset();
    mat.setSkew(SkIntToScalar(15), SkIntToScalar(15),
                SkIntToScalar(2), SkIntToScalar(2));
    REPORTER_ASSERT(reporter, !mat.isSimilarity());

    // skew with different size at a pivot point
    mat.reset();
    mat.setSkew(SkIntToScalar(15), SkIntToScalar(20),
                SkIntToScalar(2), SkIntToScalar(2));
    REPORTER_ASSERT(reporter, !mat.isSimilarity());

    // perspective x
    mat.reset();
    mat.setPerspX(SkScalarToPersp(SK_Scalar1 / 2));
    REPORTER_ASSERT(reporter, !mat.isSimilarity());

    // perspective y
    mat.reset();
    mat.setPerspY(SkScalarToPersp(SK_Scalar1 / 2));
    REPORTER_ASSERT(reporter, !mat.isSimilarity());

#ifdef SK_SCALAR_IS_FLOAT
    /* We bypass the following tests for SK_SCALAR_IS_FIXED build.
     * The long discussion can be found in this issue:
     *     http://codereview.appspot.com/5999050/
     * In short, we haven't found a perfect way to fix the precision
     * issue, i.e. the way we use tolerance in isSimilarityTransformation
     * is incorrect. The situation becomes worse in fixed build, so
     * we disabled rotation related tests for fixed build.
     */

    // rotate
    for (int angle = 0; angle < 360; ++angle) {
        mat.reset();
        mat.setRotate(SkIntToScalar(angle));
        REPORTER_ASSERT(reporter, mat.isSimilarity());
    }

    // see if there are any accumulated precision issues
    mat.reset();
    for (int i = 1; i < 360; i++) {
        mat.postRotate(SkIntToScalar(1));
    }
    REPORTER_ASSERT(reporter, mat.isSimilarity());

    // rotate + translate
    mat.reset();
    mat.setRotate(SkIntToScalar(30));
    mat.postTranslate(SkIntToScalar(10), SkIntToScalar(20));
    REPORTER_ASSERT(reporter, mat.isSimilarity());
//.........这里部分代码省略.........

开发者ID:beerbong，项目名称:platform_external_skia，代码行数:101，代码来源:MatrixTest.cpp

示例9: makeMatrix

SkMatrix makeMatrix() {
    SkMatrix matrix;
    matrix.reset();
    RandomSetMatrix setMatrix = (RandomSetMatrix) fRand.nextRangeU(0, kRandomSetMatrix_Last);
    if (fPrintName) {
        SkDebugf("%.*s%s\n", fPathDepth * 3, fTab, gRandomSetMatrixNames[setMatrix]);
    }
    switch (setMatrix) {
        case kSetIdentity:
            break;
        case kSetTranslateX:
            matrix.setTranslateX(makeScalar());
            break;
        case kSetTranslateY:
            matrix.setTranslateY(makeScalar());
            break;
        case kSetTranslate:
            matrix.setTranslate(makeScalar(), makeScalar());
            break;
        case kSetScaleX:
            matrix.setScaleX(makeScalar());
            break;
        case kSetScaleY:
            matrix.setScaleY(makeScalar());
            break;
        case kSetScale:
            matrix.setScale(makeScalar(), makeScalar());
            break;
        case kSetScaleTranslate:
            matrix.setScale(makeScalar(), makeScalar(), makeScalar(), makeScalar());
            break;
        case kSetSkewX:
            matrix.setSkewX(makeScalar());
            break;
        case kSetSkewY:
            matrix.setSkewY(makeScalar());
            break;
        case kSetSkew:
            matrix.setSkew(makeScalar(), makeScalar());
            break;
        case kSetSkewTranslate:
            matrix.setSkew(makeScalar(), makeScalar(), makeScalar(), makeScalar());
            break;
        case kSetRotate:
            matrix.setRotate(makeScalar());
            break;
        case kSetRotateTranslate:
            matrix.setRotate(makeScalar(), makeScalar(), makeScalar());
            break;
        case kSetPerspectiveX:
            matrix.setPerspX(makeScalar());
            break;
        case kSetPerspectiveY:
            matrix.setPerspY(makeScalar());
            break;
        case kSetAll:
            matrix.setAll(makeScalar(), makeScalar(), makeScalar(),
                          makeScalar(), makeScalar(), makeScalar(),
                          makeScalar(), makeScalar(), makeScalar());
            break;
    }
    return matrix;
}

开发者ID:Arternis，项目名称:skia，代码行数:63，代码来源:SamplePathFuzz.cpp

示例10: test_matrix_is_similarity

static void test_matrix_is_similarity(skiatest::Reporter* reporter) {
    SkMatrix mat;

    // identity
    mat.setIdentity();
    REPORTER_ASSERT(reporter, mat.isSimilarity());

    // translation only
    mat.reset();
    mat.setTranslate(SkIntToScalar(100), SkIntToScalar(100));
    REPORTER_ASSERT(reporter, mat.isSimilarity());

    // scale with same size
    mat.reset();
    mat.setScale(SkIntToScalar(15), SkIntToScalar(15));
    REPORTER_ASSERT(reporter, mat.isSimilarity());

    // scale with one negative
    mat.reset();
    mat.setScale(SkIntToScalar(-15), SkIntToScalar(15));
    REPORTER_ASSERT(reporter, mat.isSimilarity());

    // scale with different size
    mat.reset();
    mat.setScale(SkIntToScalar(15), SkIntToScalar(20));
    REPORTER_ASSERT(reporter, !mat.isSimilarity());

    // scale with same size at a pivot point
    mat.reset();
    mat.setScale(SkIntToScalar(15), SkIntToScalar(15),
                 SkIntToScalar(2), SkIntToScalar(2));
    REPORTER_ASSERT(reporter, mat.isSimilarity());

    // scale with different size at a pivot point
    mat.reset();
    mat.setScale(SkIntToScalar(15), SkIntToScalar(20),
                 SkIntToScalar(2), SkIntToScalar(2));
    REPORTER_ASSERT(reporter, !mat.isSimilarity());

    // skew with same size
    mat.reset();
    mat.setSkew(SkIntToScalar(15), SkIntToScalar(15));
    REPORTER_ASSERT(reporter, !mat.isSimilarity());

    // skew with different size
    mat.reset();
    mat.setSkew(SkIntToScalar(15), SkIntToScalar(20));
    REPORTER_ASSERT(reporter, !mat.isSimilarity());

    // skew with same size at a pivot point
    mat.reset();
    mat.setSkew(SkIntToScalar(15), SkIntToScalar(15),
                SkIntToScalar(2), SkIntToScalar(2));
    REPORTER_ASSERT(reporter, !mat.isSimilarity());

    // skew with different size at a pivot point
    mat.reset();
    mat.setSkew(SkIntToScalar(15), SkIntToScalar(20),
                SkIntToScalar(2), SkIntToScalar(2));
    REPORTER_ASSERT(reporter, !mat.isSimilarity());

    // perspective x
    mat.reset();
    mat.setPerspX(SkScalarToPersp(SK_Scalar1 / 2));
    REPORTER_ASSERT(reporter, !mat.isSimilarity());

    // perspective y
    mat.reset();
    mat.setPerspY(SkScalarToPersp(SK_Scalar1 / 2));
    REPORTER_ASSERT(reporter, !mat.isSimilarity());

    // rotate
    for (int angle = 0; angle < 360; ++angle) {
        mat.reset();
        mat.setRotate(SkIntToScalar(angle));
#ifndef SK_CPU_ARM64
        REPORTER_ASSERT(reporter, mat.isSimilarity());
#else
        // 64-bit ARM devices built with -O2 and -ffp-contract=fast have a loss
        // of precision and require that we have a higher tolerance
        REPORTER_ASSERT(reporter, mat.isSimilarity(SK_ScalarNearlyZero + 0.00010113f));
#endif
    }

    // see if there are any accumulated precision issues
    mat.reset();
    for (int i = 1; i < 360; i++) {
        mat.postRotate(SkIntToScalar(1));
    }
    REPORTER_ASSERT(reporter, mat.isSimilarity());

    // rotate + translate
    mat.reset();
    mat.setRotate(SkIntToScalar(30));
    mat.postTranslate(SkIntToScalar(10), SkIntToScalar(20));
    REPORTER_ASSERT(reporter, mat.isSimilarity());

    // rotate + uniform scale
    mat.reset();
    mat.setRotate(SkIntToScalar(30));
//.........这里部分代码省略.........

开发者ID:DARKPOP，项目名称:external_skia，代码行数:101，代码来源:MatrixTest.cpp

示例11: setSkew__FF

  static void setSkew__FF(JNIEnv* env, jobject clazz, jlong objHandle, jfloat kx, jfloat ky) {
     SkMatrix* obj = reinterpret_cast<SkMatrix*>(objHandle);
     obj->setSkew(kx, ky);
 }

开发者ID:7tiny，项目名称:platform_frameworks_base，代码行数:4，代码来源:Matrix.cpp

注：本文中的SkMatrix::setSkew方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。