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C++ SkMatrix::set方法代码示例

本文整理汇总了C++中SkMatrix::set方法的典型用法代码示例。如果您正苦于以下问题：C++ SkMatrix::set方法的具体用法？C++ SkMatrix::set怎么用？C++ SkMatrix::set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::set方法的15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: get_transform_matrix

/**
 * Retrieves the final matrix that a transform needs to apply to its source coords.
 */
static SkMatrix get_transform_matrix(const GrPendingFragmentStage& stage,
                                     bool useExplicitLocalCoords,
                                     int transformIdx) {
    const GrCoordTransform& coordTransform = stage.getProcessor()->coordTransform(transformIdx);
    SkMatrix combined;

    if (kLocal_GrCoordSet == coordTransform.sourceCoords()) {
        // If we have explicit local coords then we shouldn't need a coord change.
        const SkMatrix& ccm =
                useExplicitLocalCoords ? SkMatrix::I() : stage.getCoordChangeMatrix();
        combined.setConcat(coordTransform.getMatrix(), ccm);
    } else {
        combined = coordTransform.getMatrix();
    }
    if (coordTransform.reverseY()) {
        // combined.postScale(1,-1);
        // combined.postTranslate(0,1);
        combined.set(SkMatrix::kMSkewY,
            combined[SkMatrix::kMPersp0] - combined[SkMatrix::kMSkewY]);
        combined.set(SkMatrix::kMScaleY,
            combined[SkMatrix::kMPersp1] - combined[SkMatrix::kMScaleY]);
        combined.set(SkMatrix::kMTransY,
            combined[SkMatrix::kMPersp2] - combined[SkMatrix::kMTransY]);
    }
    return combined;
}
开发者ID:bigbighuang，项目名称:skia，代码行数:29，代码来源:GrGLProgram.cpp

示例2: readMatrix

SkMatrix readMatrix(SkStream *stream)
{
    SkMatrix matrix;
    for (int i = 0; i < 9; i++)
        matrix.set(i, stream->readScalar());
    return matrix;
}
开发者ID:0omega，项目名称:platform_external_webkit，代码行数:7，代码来源:ViewStateSerializer.cpp

示例3: GetTransformMatrix

SkMatrix GrGLSLPrimitiveProcessor::GetTransformMatrix(const SkMatrix& localMatrix,
                                                      const GrCoordTransform& coordTransform) {
    SkMatrix combined;
    combined.setConcat(coordTransform.getMatrix(), localMatrix);
    if (coordTransform.normalize()) {
        combined.postIDiv(coordTransform.peekTexture()->width(),
                          coordTransform.peekTexture()->height());
    }

    if (coordTransform.reverseY()) {
        // combined.postScale(1,-1);
        // combined.postTranslate(0,1);
        combined.set(SkMatrix::kMSkewY,
            combined[SkMatrix::kMPersp0] - combined[SkMatrix::kMSkewY]);
        combined.set(SkMatrix::kMScaleY,
            combined[SkMatrix::kMPersp1] - combined[SkMatrix::kMScaleY]);
        combined.set(SkMatrix::kMTransY,
            combined[SkMatrix::kMPersp2] - combined[SkMatrix::kMTransY]);
    }
    return combined;
}
开发者ID:MIPS，项目名称:external-skia，代码行数:21，代码来源:GrGLSLPrimitiveProcessor.cpp

示例4: SkFloatToScalar

static inline SkMatrix
matrix_to_sk (const cairo_matrix_t& mat)
{
    SkMatrix skm;

    skm.reset ();
    skm.set (SkMatrix::kMScaleX, SkFloatToScalar (mat.xx));
    skm.set (SkMatrix::kMSkewX,  SkFloatToScalar (mat.xy));
    skm.set (SkMatrix::kMTransX, SkFloatToScalar (mat.x0));
    skm.set (SkMatrix::kMSkewY,  SkFloatToScalar (mat.yx));
    skm.set (SkMatrix::kMScaleY, SkFloatToScalar (mat.yy));
    skm.set (SkMatrix::kMTransY, SkFloatToScalar (mat.y0));

    /*
    skm[6] = SkFloatToScalar (0.0);
    skm[7] = SkFloatToScalar (0.0);
    skm[8] = SkFloatToScalar (1.0); -- this isn't right, it wants a magic value in there that it'll set itself.  It wants Sk_Fract1 (2.30), not Sk_Scalar1
    */

    return skm;
}
开发者ID:Ashod，项目名称:WinCairoRequirements，代码行数:21，代码来源:cairo-skia-context.cpp

示例5: SkUnitScalarMul

void SkCamera3D::doUpdate() const
{
    SkUnit3D    axis, zenith, cross;

    fAxis.normalize(&axis);

    {
        SkScalar dot = SkUnit3D::Dot(*(const SkUnit3D*)(const void*)&fZenith, axis);

        zenith.fX = fZenith.fX - SkUnitScalarMul(dot, axis.fX);
        zenith.fY = fZenith.fY - SkUnitScalarMul(dot, axis.fY);
        zenith.fZ = fZenith.fZ - SkUnitScalarMul(dot, axis.fZ);

        (void)((SkPoint3D*)(void*)&zenith)->normalize(&zenith);
    }

    SkUnit3D::Cross(axis, zenith, &cross);

    {
        SkMatrix* orien = &fOrientation;
        SkScalar x = fObserver.fX;
        SkScalar y = fObserver.fY;
        SkScalar z = fObserver.fZ;

        orien->set(SkMatrix::kMScaleX, SkUnitScalarMul(x, axis.fX) - SkUnitScalarMul(z, cross.fX));
        orien->set(SkMatrix::kMSkewX,  SkUnitScalarMul(x, axis.fY) - SkUnitScalarMul(z, cross.fY));
        orien->set(SkMatrix::kMTransX, SkUnitScalarMul(x, axis.fZ) - SkUnitScalarMul(z, cross.fZ));
        orien->set(SkMatrix::kMSkewY,  SkUnitScalarMul(y, axis.fX) - SkUnitScalarMul(z, zenith.fX));
        orien->set(SkMatrix::kMScaleY, SkUnitScalarMul(y, axis.fY) - SkUnitScalarMul(z, zenith.fY));
        orien->set(SkMatrix::kMTransY, SkUnitScalarMul(y, axis.fZ) - SkUnitScalarMul(z, zenith.fZ));
        orien->set(SkMatrix::kMPersp0, axis.fX);
        orien->set(SkMatrix::kMPersp1, axis.fY);
        orien->set(SkMatrix::kMPersp2, axis.fZ);
    }
}
开发者ID:AOSP-JF-MM，项目名称:platform_external_skia，代码行数:35，代码来源:SkCamera.cpp

示例6: setValues

    static void setValues(JNIEnv* env, jobject clazz, jlong matrixHandle, jfloatArray values) {
        SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle);
        AutoJavaFloatArray autoValues(env, values, 9, kRO_JNIAccess);
        const float* src = autoValues.ptr();

#ifdef SK_SCALAR_IS_FLOAT
        for (int i = 0; i < 9; i++) {
            matrix->set(i, src[i]);
        }
#else
        SkASSERT(false);
#endif
    }
开发者ID:7tiny，项目名称:platform_frameworks_base，代码行数:13，代码来源:Matrix.cpp

示例7: 

void Matrix4::copyTo(SkMatrix& v) const {
    v.reset();

    v.set(SkMatrix::kMScaleX, data[kScaleX]);
    v.set(SkMatrix::kMSkewX,  data[kSkewX]);
    v.set(SkMatrix::kMTransX, data[kTranslateX]);

    v.set(SkMatrix::kMSkewY,  data[kSkewY]);
    v.set(SkMatrix::kMScaleY, data[kScaleY]);
    v.set(SkMatrix::kMTransY, data[kTranslateY]);

    v.set(SkMatrix::kMPersp0, data[kPerspective0]);
    v.set(SkMatrix::kMPersp1, data[kPerspective1]);
    v.set(SkMatrix::kMPersp2, data[kPerspective2]);
}
开发者ID:4nh51rk，项目名称:android_frameworks_base，代码行数:15，代码来源:Matrix.cpp

示例8: NativeSetValues

void Matrix::NativeSetValues(
    /* [in] */ Int64 matrixHandle,
    /* [in] */ ArrayOf<Float>* values)
{
    SkASSERT(values->GetLength() >= 9);
    SkMatrix* matrix = reinterpret_cast<SkMatrix*>(matrixHandle);
    // AutoJavaFloatArray autoValues(env, values, 9, kRO_JNIAccess);
    const float* src = values->GetPayload();

#ifdef SK_SCALAR_IS_FLOAT
    for (int i = 0; i < 9; i++) {
        matrix->set(i, src[i]);
    }
#else
    SkASSERT(FALSE);
#endif
}
开发者ID:maerson，项目名称:CPP_Framework_Elastos5，代码行数:17，代码来源:Matrix.cpp

示例9: draw

void draw(SkCanvas* canvas) {
    SkMatrix m;
    m.setIdentity();
    m.set(SkMatrix::kMPersp0, -0.004f);
    SkAutoCanvasRestore autoRestore(canvas, true);
    canvas->translate(22, 144);
    SkPaint black;
    black.setAntiAlias(true);
    black.setTextSize(24);
    SkPaint gray = black;
    gray.setColor(0xFF9f9f9f);
    SkString string;
    string.appendScalar(m.getPerspX());
    canvas->drawString(string, 0, -72, gray);
    canvas->concat(m);
    canvas->drawString(string, 0, 0, black);
}
开发者ID:HalCanary，项目名称:skia-hc，代码行数:17，代码来源:Matrix_getPerspX.cpp

示例10: affineTransformToSkMatrix

SkMatrix affineTransformToSkMatrix(const AffineTransform& source)
{
    SkMatrix result;

    result.setScaleX(WebCoreDoubleToSkScalar(source.a()));
    result.setSkewX(WebCoreDoubleToSkScalar(source.c()));
    result.setTranslateX(WebCoreDoubleToSkScalar(source.e()));

    result.setScaleY(WebCoreDoubleToSkScalar(source.d()));
    result.setSkewY(WebCoreDoubleToSkScalar(source.b()));
    result.setTranslateY(WebCoreDoubleToSkScalar(source.f()));

    // FIXME: Set perspective properly.
    result.setPerspX(0);
    result.setPerspY(0);
    result.set(SkMatrix::kMPersp2, SK_Scalar1);

    return result;
}
开发者ID:dstockwell，项目名称:blink，代码行数:19，代码来源:SkiaUtils.cpp

示例11: SkMatrix

AffineTransform::operator SkMatrix() const
{
    SkMatrix result;

    result.setScaleX(WebCoreDoubleToSkScalar(a()));
    result.setSkewX(WebCoreDoubleToSkScalar(c()));
    result.setTranslateX(WebCoreDoubleToSkScalar(e()));

    result.setScaleY(WebCoreDoubleToSkScalar(d()));
    result.setSkewY(WebCoreDoubleToSkScalar(b()));
    result.setTranslateY(WebCoreDoubleToSkScalar(f()));

    // FIXME: Set perspective properly.
    result.setPerspX(0);
    result.setPerspY(0);
    result.set(SkMatrix::kMPersp2, SK_Scalar1);

    return result;
}
开发者ID:IllusionRom-deprecated，项目名称:android_platform_external_chromium_org_third_party_WebKit，代码行数:19，代码来源:AffineTransform.cpp

示例12: setup_canvas_from_MC_state

static void setup_canvas_from_MC_state(const SkMCState& state, SkCanvas* canvas) {
    // reconstruct the matrix
    SkMatrix matrix;
    for (int i = 0; i < 9; i++) {
        matrix.set(i, state.matrix[i]);
    }

    // reconstruct the clip
    SkRegion clip;
    for (int i = 0; i < state.clipRectCount; ++i) {
        clip.op(SkIRect::MakeLTRB(state.clipRects[i].left,
                                  state.clipRects[i].top,
                                  state.clipRects[i].right,
                                  state.clipRects[i].bottom),
                SkRegion::kUnion_Op);
    }

    canvas->setMatrix(matrix);
    canvas->setClipRegion(clip);
}
开发者ID:sylvestre，项目名称:skia，代码行数:20，代码来源:SkCanvasStateUtils.cpp

示例13: draw

void draw(SkCanvas* canvas) {
    SkPaint black;
    black.setAntiAlias(true);
    black.setTextSize(48);
    SkPaint gray = black;
    gray.setColor(0xFF9f9f9f);
    SkScalar offset[] = { 1.5f, 1.5f, 20,   1.5f, 1.5f, 20,   .03f, .01f, 2 };
    for (int i : { SkMatrix::kMScaleX, SkMatrix::kMSkewX,  SkMatrix::kMTransX,
                   SkMatrix::kMSkewY,  SkMatrix::kMScaleY, SkMatrix::kMTransY,
                   SkMatrix::kMPersp0, SkMatrix::kMPersp1, SkMatrix::kMPersp2 } ) {
        SkMatrix m;
        m.setIdentity();
        m.set(i, offset[i]);
        SkAutoCanvasRestore autoRestore(canvas, true);
        canvas->translate(22 + (i % 3) * 88, 44 + (i / 3) * 88);
        canvas->drawString("&", 0, 0, gray);
        canvas->concat(m);
        canvas->drawString("&", 0, 0, black);
    }
}
开发者ID:HalCanary，项目名称:skia-hc，代码行数:20，代码来源:MemberIndex.cpp

示例14: DrawRoundRect

static void DrawRoundRect() {
#ifdef SK_SCALAR_IS_FIXED
    bool ret = false;
    SkPaint  paint;
    SkBitmap bitmap;
    SkCanvas canvas;
    SkMatrix matrix;
    matrix.reset();

    bitmap.setConfig(SkBitmap::kARGB_8888_Config, 1370, 812);
    bitmap.allocPixels();
    canvas.setBitmapDevice(bitmap);

    // set up clipper
    SkRect skclip;
    skclip.set(SkIntToFixed(284), SkIntToFixed(40), SkIntToFixed(1370), SkIntToFixed(708));

    ret = canvas.clipRect(skclip);
    SkASSERT(ret);

    matrix.set(SkMatrix::kMTransX, SkFloatToFixed(-1153.28));
    matrix.set(SkMatrix::kMTransY, SkFloatToFixed(1180.50));

    matrix.set(SkMatrix::kMScaleX, SkFloatToFixed(0.177171));
    matrix.set(SkMatrix::kMScaleY, SkFloatToFixed(0.177043));

    matrix.set(SkMatrix::kMSkewX, SkFloatToFixed(0.126968));
    matrix.set(SkMatrix::kMSkewY, SkFloatToFixed(-0.126876));

    matrix.set(SkMatrix::kMPersp0, SkFloatToFixed(0.0));
    matrix.set(SkMatrix::kMPersp1, SkFloatToFixed(0.0));

    ret = canvas.concat(matrix);

    paint.setAntiAlias(true);
    paint.setColor(0xb2202020);
    paint.setStyle(SkPaint::kStroke_Style);
    paint.setStrokeWidth(SkFloatToFixed(68.13));

    SkRect r;
    r.set(SkFloatToFixed(-313.714417), SkFloatToFixed(-4.826389), SkFloatToFixed(18014.447266), SkFloatToFixed(1858.154541));
    canvas.drawRoundRect(r, SkFloatToFixed(91.756363), SkFloatToFixed(91.756363), paint);
#endif
}
开发者ID:gw280，项目名称:skia，代码行数:44，代码来源:SampleOverflow.cpp

示例15: DrawRoundRect

static void DrawRoundRect(SkCanvas& canvas) {
   bool ret = false;
   SkPaint  paint;
   SkBitmap bitmap;
   SkMatrix matrix;
   matrix.reset();

   bitmap.setConfig(SkBitmap::kARGB_8888_Config, 1370, 812);
   bitmap.allocPixels();
#if 0
    SkCanvas canvas;
    canvas.setBitmapDevice(bitmap);
#endif

   // set up clipper
   SkRect skclip;
   skclip.set(SkIntToScalar(284), SkIntToScalar(40), SkIntToScalar(1370), SkIntToScalar(708));

//   ret = canvas.clipRect(skclip);
//   SkASSERT(ret);

   matrix.set(SkMatrix::kMTransX, SkFloatToScalar(-1153.28f));
   matrix.set(SkMatrix::kMTransY, SkFloatToScalar(1180.50f));

   matrix.set(SkMatrix::kMScaleX, SkFloatToScalar(0.177171f));
   matrix.set(SkMatrix::kMScaleY, SkFloatToScalar(0.177043f));

   matrix.set(SkMatrix::kMSkewX, SkFloatToScalar(0.126968f));
   matrix.set(SkMatrix::kMSkewY, SkFloatToScalar(-0.126876f));

   matrix.set(SkMatrix::kMPersp0, SkFloatToScalar(0.0f));
   matrix.set(SkMatrix::kMPersp1, SkFloatToScalar(0.0f));

   ret = canvas.concat(matrix);

   paint.setAntiAlias(true);
   paint.setColor(0xb2202020);
   paint.setStyle(SkPaint::kStroke_Style);
   paint.setStrokeWidth(SkFloatToScalar(68.13f));

   SkRect r;
   r.set(SkFloatToScalar(-313.714417f), SkFloatToScalar(-4.826389f), SkFloatToScalar(18014.447266f), SkFloatToScalar(1858.154541f));
   canvas.drawRoundRect(r, SkFloatToScalar(91.756363f), SkFloatToScalar(91.756363f), paint);
}
开发者ID:gw280，项目名称:skia，代码行数:44，代码来源:SampleImageDir.cpp


注：本文中的SkMatrix::set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。