android.graphics.Matrix#setValues ( )源码实例Demo

下面列出了android.graphics.Matrix#setValues ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： JNChartDemo 文件： ViewPortHandler.java

/**
 * Resets all zooming and dragging and makes the chart fit exactly it's
 * bounds.
 */
public Matrix fitScreen() {

    mMinScaleX = 1f;
    mMinScaleY = 1f;

    Matrix save = new Matrix();
    save.set(mMatrixTouch);

    float[] vals = new float[9];

    save.getValues(vals);

    // reset all translations and scaling
    vals[Matrix.MTRANS_X] = 0f;
    vals[Matrix.MTRANS_Y] = 0f;
    vals[Matrix.MSCALE_X] = 1f;
    vals[Matrix.MSCALE_Y] = 1f;

    save.setValues(vals);

    return save;
}

源代码2 项目： Notification-Analyser 文件： BarLineChartBase.java

/**
 * Resets all zooming and dragging and makes the chart fit exactly it's
 * bounds.
 */
public void fitScreen() {

    Matrix save = new Matrix();
    save.set(mMatrixTouch);

    float[] vals = new float[9];

    save.getValues(vals);

    // reset all translations and scaling
    vals[Matrix.MTRANS_X] = 0f;
    vals[Matrix.MTRANS_Y] = 0f;
    vals[Matrix.MSCALE_X] = 1f;
    vals[Matrix.MSCALE_Y] = 1f;

    save.setValues(vals);

    refreshTouch(save);
}

源代码3 项目： Stayfit 文件： ViewPortHandler.java

/**
 * Resets all zooming and dragging and makes the chart fit exactly it's
 * bounds.
 */
public Matrix fitScreen() {

    mMinScaleX = 1f;
    mMinScaleY = 1f;

    Matrix save = new Matrix();
    save.set(mMatrixTouch);

    float[] vals = new float[9];

    save.getValues(vals);

    // reset all translations and scaling
    vals[Matrix.MTRANS_X] = 0f;
    vals[Matrix.MTRANS_Y] = 0f;
    vals[Matrix.MSCALE_X] = 1f;
    vals[Matrix.MSCALE_Y] = 1f;

    save.setValues(vals);

    return save;
}

源代码4 项目： QQCutAvatar 文件： CutAvatarView.java

/**
 * 检查是否越界
 * @param matrix
 */
protected void checkBoundary(Matrix matrix) {
	if (matrix == null) return;
	matrix.getValues(mMXValues);
	
	// 计算缩放是否小于要截取的大小
	float size = mImgBitmap.getWidth() < mImgBitmap.getHeight() ? mImgBitmap.getWidth() : mImgBitmap.getHeight();
       if (mMXValues[0] < mCircleRadius * 2 / size || mMXValues[4] < mCircleRadius * 2 / size) {
       	mMXValues[0] = mCircleRadius * 2 / size;
       	mMXValues[4] = mCircleRadius * 2 / size;
       }
       // 计算位移是否越界
       if (mMXValues[2] > getWidth() / 2 - mCircleRadius) {
       	mMXValues[2] = getWidth() / 2 - mCircleRadius;
       }
       if (mMXValues[5] > getHeight() / 2 - mCircleRadius) {
       	mMXValues[5] = getHeight() / 2 - mCircleRadius;
       }
       if (mMXValues[2] < - mImgBitmap.getWidth() * mMXValues[0] + getWidth() / 2 + mCircleRadius) {
       	mMXValues[2]= - mImgBitmap.getWidth() * mMXValues[0] + getWidth() / 2 + mCircleRadius;
       }
       if (mMXValues[5] < - mImgBitmap.getHeight() * mMXValues[4] + getHeight() / 2 + mCircleRadius) {
       	mMXValues[5]= - mImgBitmap.getHeight() * mMXValues[4] + getHeight() / 2 + mCircleRadius;
       }
       matrix.setValues(mMXValues);
}

源代码5 项目： timecat 文件： CropImageAnimation.java

@Override
protected void applyTransformation(float interpolatedTime, Transformation t) {

    mAnimRect.left = mStartCropWindowRect.left + (mEndCropWindowRect.left - mStartCropWindowRect.left) * interpolatedTime;
    mAnimRect.top = mStartCropWindowRect.top + (mEndCropWindowRect.top - mStartCropWindowRect.top) * interpolatedTime;
    mAnimRect.right = mStartCropWindowRect.right + (mEndCropWindowRect.right - mStartCropWindowRect.right) * interpolatedTime;
    mAnimRect.bottom = mStartCropWindowRect.bottom + (mEndCropWindowRect.bottom - mStartCropWindowRect.bottom) * interpolatedTime;
    mCropOverlayView.setCropWindowRect(mAnimRect);

    for (int i = 0; i < mAnimPoints.length; i++) {
        mAnimPoints[i] = mStartBoundPoints[i] + (mEndBoundPoints[i] - mStartBoundPoints[i]) * interpolatedTime;
    }
    mCropOverlayView.setBounds(mAnimPoints, mImageView.getWidth(), mImageView.getHeight());

    for (int i = 0; i < mAnimMatrix.length; i++) {
        mAnimMatrix[i] = mStartImageMatrix[i] + (mEndImageMatrix[i] - mStartImageMatrix[i]) * interpolatedTime;
    }
    Matrix m = mImageView.getImageMatrix();
    m.setValues(mAnimMatrix);
    mImageView.setImageMatrix(m);

    mImageView.invalidate();
    mCropOverlayView.invalidate();
}

源代码6 项目： libcommon 文件： MatrixUtils.java

/**
 * OpenGLの4x4(列優先)行列をandroid.graphics.Matrixの3x3行列に変換する
 * (アフィン変換のみ)
 * @param transform
 * @param result
 * @param aMatrix
 * @return
 */
public static Matrix toAndroidMatrix(
	@NonNull @Size(min=16)final float[] transform,
	@NonNull final Matrix result,
	@NonNull @Size(min=9) final float[] aMatrix) {

	aMatrix[Matrix.MSCALE_X] = transform[ 0];
	aMatrix[Matrix.MSKEW_Y] = transform[ 1];
	aMatrix[Matrix.MPERSP_0] = transform[ 3];
	aMatrix[Matrix.MSKEW_X] = transform[ 4];
	aMatrix[Matrix.MSCALE_Y] = transform[ 5];
	aMatrix[Matrix.MPERSP_1] = transform[ 7];
	aMatrix[Matrix.MTRANS_X] = transform[12];
	aMatrix[Matrix.MTRANS_Y] = transform[13];
	aMatrix[Matrix.MPERSP_2] = transform[15];
	result.setValues(aMatrix);

	return result;
}

源代码7 项目： mollyim-android 文件： TextureViewMeteringPointFactory.java

private Matrix glMatrixToGraphicsMatrix(float[] glMatrix) {
    float[] convert = new float[9];
    convert[0] = glMatrix[0];
    convert[1] = glMatrix[4];
    convert[2] = glMatrix[12];
    convert[3] = glMatrix[1];
    convert[4] = glMatrix[5];
    convert[5] = glMatrix[13];
    convert[6] = glMatrix[3];
    convert[7] = glMatrix[7];
    convert[8] = glMatrix[15];
    Matrix graphicsMatrix = new Matrix();
    graphicsMatrix.setValues(convert);
    return graphicsMatrix;
}

源代码8 项目： zone-sdk 文件： MatrixUtils.java

public static Matrix adjustClipMatrix(Context context, Matrix matrix) {
        float scale = 1;    // <------- 像素密度
        // 获取手机像素密度 （即dp与px的比例）
        scale = context.getResources().getDisplayMetrics().density;
        float[] mValues = new float[9];
        matrix.getValues(mValues);                //获取数值
//        if (mValues[6] < 0)
            mValues[6] =0;            //数值修正  发现这个数是负数就得修正;
//        if (mValues[7] < 0)
            mValues[7] = 0;            //数值修正
        matrix.setValues(mValues);                //重新赋值
        return matrix;
    }

源代码9 项目： StockChart-MPAndroidChart 文件： ViewPortHandler.java

/**
 * limits the maximum scale and X translation of the given matrix
 *
 * @param matrix
 */
public void limitTransAndScale(Matrix matrix, RectF content) {

    matrix.getValues(matrixBuffer);

    float curTransX = matrixBuffer[Matrix.MTRANS_X];
    float curScaleX = matrixBuffer[Matrix.MSCALE_X];

    float curTransY = matrixBuffer[Matrix.MTRANS_Y];
    float curScaleY = matrixBuffer[Matrix.MSCALE_Y];

    // min scale-x is 1f
    mScaleX = Math.min(Math.max(mMinScaleX, curScaleX), mMaxScaleX);

    // min scale-y is 1f
    mScaleY = Math.min(Math.max(mMinScaleY, curScaleY), mMaxScaleY);

    float width = 0f;
    float height = 0f;

    if (content != null) {
        width = content.width();
        height = content.height();
    }

    float maxTransX = -width * (mScaleX - 1f);
    mTransX = Math.min(Math.max(curTransX, maxTransX - mTransOffsetX), mTransOffsetX);

    float maxTransY = height * (mScaleY - 1f);
    mTransY = Math.max(Math.min(curTransY, maxTransY + mTransOffsetY), -mTransOffsetY);

    matrixBuffer[Matrix.MTRANS_X] = mTransX;
    matrixBuffer[Matrix.MSCALE_X] = mScaleX;

    matrixBuffer[Matrix.MTRANS_Y] = mTransY;
    matrixBuffer[Matrix.MSCALE_Y] = mScaleY;

    matrix.setValues(matrixBuffer);
}

源代码10 项目： JNChartDemo 文件： ViewPortHandler.java

/**
 * limits the maximum scale and X translation of the given matrix
 *
 * @param matrix
 */
public void limitTransAndScale(Matrix matrix, RectF content) {

    matrix.getValues(matrixBuffer);

    float curTransX = matrixBuffer[Matrix.MTRANS_X];
    float curScaleX = matrixBuffer[Matrix.MSCALE_X];

    float curTransY = matrixBuffer[Matrix.MTRANS_Y];
    float curScaleY = matrixBuffer[Matrix.MSCALE_Y];

    // min scale-x is 1f
    mScaleX = Math.min(Math.max(mMinScaleX, curScaleX), mMaxScaleX);

    // min scale-y is 1f
    mScaleY = Math.min(Math.max(mMinScaleY, curScaleY), mMaxScaleY);

    float width = 0f;
    float height = 0f;

    if (content != null) {
        width = content.width();
        height = content.height();
    }

    float maxTransX = -width * (mScaleX - 1f);
    mTransX = Math.min(Math.max(curTransX, maxTransX - mTransOffsetX), mTransOffsetX);

    float maxTransY = height * (mScaleY - 1f);
    mTransY = Math.max(Math.min(curTransY, maxTransY + mTransOffsetY), -mTransOffsetY);

    matrixBuffer[Matrix.MTRANS_X] = mTransX;
    matrixBuffer[Matrix.MSCALE_X] = mScaleX;

    matrixBuffer[Matrix.MTRANS_Y] = mTransY;
    matrixBuffer[Matrix.MSCALE_Y] = mScaleY;

    matrix.setValues(matrixBuffer);
}

源代码11 项目： android-kline 文件： ViewPortHandler.java

/**
 * limits the maximum scale and X translation of the given matrix
 *
 * @param matrix
 */
public void limitTransAndScale(Matrix matrix, RectF content) {

    matrix.getValues(matrixBuffer);

    float curTransX = matrixBuffer[Matrix.MTRANS_X];
    float curScaleX = matrixBuffer[Matrix.MSCALE_X];

    float curTransY = matrixBuffer[Matrix.MTRANS_Y];
    float curScaleY = matrixBuffer[Matrix.MSCALE_Y];

    // min scale-x is 1f
    mScaleX = Math.min(Math.max(mMinScaleX, curScaleX), mMaxScaleX);

    // min scale-y is 1f
    mScaleY = Math.min(Math.max(mMinScaleY, curScaleY), mMaxScaleY);

    float width = 0f;
    float height = 0f;

    if (content != null) {
        width = content.width();
        height = content.height();
    }

    float maxTransX = -width * (mScaleX - 1f);
    mTransX = Math.min(Math.max(curTransX, maxTransX - mTransOffsetX), mTransOffsetX);

    float maxTransY = height * (mScaleY - 1f);
    mTransY = Math.max(Math.min(curTransY, maxTransY + mTransOffsetY), -mTransOffsetY);

    matrixBuffer[Matrix.MTRANS_X] = mTransX;
    matrixBuffer[Matrix.MSCALE_X] = mScaleX;

    matrixBuffer[Matrix.MTRANS_Y] = mTransY;
    matrixBuffer[Matrix.MSCALE_Y] = mScaleY;

    matrix.setValues(matrixBuffer);
}

源代码12 项目： android-kline 文件： CoupleChartGestureListener.java

public void syncCharts() {
    Matrix srcMatrix;
    float[] srcVals = new float[9];
    Matrix dstMatrix;
    float[] dstVals = new float[9];
    // get src chart translation matrix:
    srcMatrix = srcChart.getViewPortHandler().getMatrixTouch();
    srcMatrix.getValues(srcVals);
    // apply X axis scaling and position to dst charts:
    for (Chart dstChart : dstCharts) {
        dstMatrix = dstChart.getViewPortHandler().getMatrixTouch();
        dstMatrix.getValues(dstVals);

        dstVals[Matrix.MSCALE_X] = srcVals[Matrix.MSCALE_X];
        dstVals[Matrix.MSKEW_X] = srcVals[Matrix.MSKEW_X];
        dstVals[Matrix.MTRANS_X] = srcVals[Matrix.MTRANS_X];
        dstVals[Matrix.MSKEW_Y] = srcVals[Matrix.MSKEW_Y];
        dstVals[Matrix.MSCALE_Y] = srcVals[Matrix.MSCALE_Y];
        dstVals[Matrix.MTRANS_Y] = srcVals[Matrix.MTRANS_Y];
        dstVals[Matrix.MPERSP_0] = srcVals[Matrix.MPERSP_0];
        dstVals[Matrix.MPERSP_1] = srcVals[Matrix.MPERSP_1];
        dstVals[Matrix.MPERSP_2] = srcVals[Matrix.MPERSP_2];

        dstMatrix.setValues(dstVals);
        dstChart.getViewPortHandler().refresh(dstMatrix, dstChart, true);
    }
}

源代码13 项目： NetKnight 文件： ViewPortHandler.java

/**
 * limits the maximum scale and X translation of the given matrix
 *
 * @param matrix
 */
public void limitTransAndScale(Matrix matrix, RectF content) {

    matrix.getValues(matrixBuffer);

    float curTransX = matrixBuffer[Matrix.MTRANS_X];
    float curScaleX = matrixBuffer[Matrix.MSCALE_X];

    float curTransY = matrixBuffer[Matrix.MTRANS_Y];
    float curScaleY = matrixBuffer[Matrix.MSCALE_Y];

    // min scale-x is 1f
    mScaleX = Math.min(Math.max(mMinScaleX, curScaleX), mMaxScaleX);

    // min scale-y is 1f
    mScaleY = Math.min(Math.max(mMinScaleY, curScaleY), mMaxScaleY);

    float width = 0f;
    float height = 0f;

    if (content != null) {
        width = content.width();
        height = content.height();
    }

    float maxTransX = -width * (mScaleX - 1f);
    mTransX = Math.min(Math.max(curTransX, maxTransX - mTransOffsetX), mTransOffsetX);

    float maxTransY = height * (mScaleY - 1f);
    mTransY = Math.max(Math.min(curTransY, maxTransY + mTransOffsetY), -mTransOffsetY);

    matrixBuffer[Matrix.MTRANS_X] = mTransX;
    matrixBuffer[Matrix.MSCALE_X] = mScaleX;

    matrixBuffer[Matrix.MTRANS_Y] = mTransY;
    matrixBuffer[Matrix.MSCALE_Y] = mScaleY;

    matrix.setValues(matrixBuffer);
}

源代码14 项目： ViewSupport 文件： Rotate3dAnimation.java

@Override
protected void applyTransformation(float interpolatedTime, Transformation t) {
    float degrees = mFromDegrees + ((mToDegrees - mFromDegrees) * interpolatedTime);
    final Matrix matrix = t.getMatrix();

    mCamera.save();

    // 调节深度
    if (mReverse) {
        mCamera.translate(0.0f, 0.0f, mDepthZ * interpolatedTime);
    } else {
        mCamera.translate(0.0f, 0.0f, mDepthZ * (1.0f - interpolatedTime));
    }

    // 绕轴旋转
    switch (mAxis) {
        case 1:
            mCamera.rotateX(degrees);
            break;
        case 2:
            mCamera.rotateY(degrees);
            break;
        case 3:
            mCamera.rotateZ(degrees);
            break;
    }

    mCamera.getMatrix(matrix);
    mCamera.restore();

    // 修复失真
    float[] mValues = new float[9];
    matrix.getValues(mValues);          //获取数值
    mValues[6] = mValues[6] / scale;    //数值修正
    mValues[7] = mValues[7] / scale;    //数值修正
    matrix.setValues(mValues);          //重新赋值

    // 设置中心
    matrix.preTranslate(-mCenterX, -mCenterY);
    matrix.postTranslate(mCenterX, mCenterY);
}

源代码15 项目： android_9.0.0_r45 文件： CursorAnchorInfo.java

/**
 * Returns a new instance of {@link android.graphics.Matrix} that indicates the transformation
 * matrix that is to be applied other positional data in this class.
 * @return a new instance (copy) of the transformation matrix.
 */
public Matrix getMatrix() {
    final Matrix matrix = new Matrix();
    matrix.setValues(mMatrixValues);
    return matrix;
}

源代码16 项目： android_9.0.0_r45 文件： AssistStructure.java

ViewNode(ParcelTransferReader reader, int nestingLevel) {
    final Parcel in = reader.readParcel(VALIDATE_VIEW_TOKEN, nestingLevel);
    reader.mNumReadViews++;
    final PooledStringReader preader = reader.mStringReader;
    mClassName = preader.readString();
    mFlags = in.readInt();
    final int flags = mFlags;
    if ((flags&FLAGS_HAS_ID) != 0) {
        mId = in.readInt();
        if (mId != View.NO_ID) {
            mIdEntry = preader.readString();
            if (mIdEntry != null) {
                mIdType = preader.readString();
                mIdPackage = preader.readString();
            }
        }
    }

    if ((flags&FLAGS_HAS_AUTOFILL_DATA) != 0) {
        mSanitized = in.readInt() == 1;
        mAutofillId = in.readParcelable(null);
        mAutofillType = in.readInt();
        mAutofillHints = in.readStringArray();
        mAutofillValue = in.readParcelable(null);
        mAutofillOptions = in.readCharSequenceArray();
        final Parcelable p = in.readParcelable(null);
        if (p instanceof HtmlInfo) {
            mHtmlInfo = (HtmlInfo) p;
        }
        mMinEms = in.readInt();
        mMaxEms = in.readInt();
        mMaxLength = in.readInt();
        mTextIdEntry = preader.readString();
        mImportantForAutofill = in.readInt();
    }
    if ((flags&FLAGS_HAS_LARGE_COORDS) != 0) {
        mX = in.readInt();
        mY = in.readInt();
        mWidth = in.readInt();
        mHeight = in.readInt();
    } else {
        int val = in.readInt();
        mX = val&0x7fff;
        mY = (val>>16)&0x7fff;
        val = in.readInt();
        mWidth = val&0x7fff;
        mHeight = (val>>16)&0x7fff;
    }
    if ((flags&FLAGS_HAS_SCROLL) != 0) {
        mScrollX = in.readInt();
        mScrollY = in.readInt();
    }
    if ((flags&FLAGS_HAS_MATRIX) != 0) {
        mMatrix = new Matrix();
        in.readFloatArray(reader.mTmpMatrix);
        mMatrix.setValues(reader.mTmpMatrix);
    }
    if ((flags&FLAGS_HAS_ELEVATION) != 0) {
        mElevation = in.readFloat();
    }
    if ((flags&FLAGS_HAS_ALPHA) != 0) {
        mAlpha = in.readFloat();
    }
    if ((flags&FLAGS_HAS_CONTENT_DESCRIPTION) != 0) {
        mContentDescription = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in);
    }
    if ((flags&FLAGS_HAS_TEXT) != 0) {
        mText = new ViewNodeText(in, (flags&FLAGS_HAS_COMPLEX_TEXT) == 0);
    }
    if ((flags&FLAGS_HAS_INPUT_TYPE) != 0) {
        mInputType = in.readInt();
    }
    if ((flags&FLAGS_HAS_URL) != 0) {
        mWebScheme = in.readString();
        mWebDomain = in.readString();
    }
    if ((flags&FLAGS_HAS_LOCALE_LIST) != 0) {
        mLocaleList = in.readParcelable(null);
    }
    if ((flags&FLAGS_HAS_EXTRAS) != 0) {
        mExtras = in.readBundle();
    }
    if ((flags&FLAGS_HAS_CHILDREN) != 0) {
        final int NCHILDREN = in.readInt();
        if (DEBUG_PARCEL_TREE || DEBUG_PARCEL_CHILDREN) Log.d(TAG,
                "Preparing to read " + NCHILDREN
                        + " children: @ #" + reader.mNumReadViews
                        + ", level " + nestingLevel);
        mChildren = new ViewNode[NCHILDREN];
        for (int i=0; i<NCHILDREN; i++) {
            mChildren[i] = new ViewNode(reader, nestingLevel + 1);
        }
    }
}

源代码17 项目： deltachat-android 文件： ParcelUtils.java

public static void readMatrix(@NonNull Matrix matrix, @NonNull Parcel in) {
  float[] values = new float[9];
  in.readFloatArray(values);
  matrix.setValues(values);
}

源代码18 项目： fresco 文件： AbstractAnimatedZoomableController.java

protected void calculateInterpolation(Matrix outMatrix, float fraction) {
  for (int i = 0; i < 9; i++) {
    mCurrentValues[i] = (1 - fraction) * mStartValues[i] + fraction * mStopValues[i];
  }
  outMatrix.setValues(mCurrentValues);
}

源代码19 项目： CommentGallery 文件： AbstractAnimatedZoomableController.java

protected void calculateInterpolation(Matrix outMatrix, float fraction) {
    for (int i = 0; i < 9; i++) {
        mCurrentValues[i] = (1 - fraction) * mStartValues[i] + fraction * mStopValues[i];
    }
    outMatrix.setValues(mCurrentValues);
}

源代码20 项目： Rotate3dAnimation 文件： Rotate3dAnimation.java

@Override
	protected void applyTransformation(float interpolatedTime, Transformation t) {
		final float fromDegrees = mFromDegrees;
		// 生成中间角度
		float degrees = fromDegrees + ((mToDegrees - fromDegrees) * interpolatedTime);

		
		final float centerX = mCenterX;
		final float centerY = mCenterY;
		final Camera camera = mCamera;

		final Matrix matrix = t.getMatrix();

		camera.save();
		if (mReverse) {
			camera.translate(0.0f, 0.0f, mDepthZ * interpolatedTime);
		} else {
			camera.translate(0.0f, 0.0f, mDepthZ * (1.0f - interpolatedTime));
		}
		camera.rotateY(degrees);
		// 取得变换后的矩阵
		camera.getMatrix(matrix);
		camera.restore();

//----------------------------------------------------------------------------
		/** 
		 * 修复打脸问题		(￣ε(#￣)☆╰╮(￣▽￣///)
		 * 简要介绍：
		 * 原来的3D翻转会由于屏幕像素密度问题而出现效果相差很大
		 * 例如在屏幕像素比为1,5的手机上显示效果基本正常，
		 * 而在像素比3,0的手机上面感觉翻转感觉要超出屏幕边缘，
		 * 有种迎面打脸的感觉、
		 * 
		 * 解决方案
		 * 利用屏幕像素密度对变换矩阵进行校正，
		 * 保证了在所有清晰度的手机上显示的效果基本相同。
		 *  
		 */
		float[] mValues = {0,0,0,0,0,0,0,0,0};
		matrix.getValues(mValues);			//获取数值
		mValues[6] = mValues[6]/scale;		//数值修正
		matrix.setValues(mValues);			//重新赋值
		
//		Log.e("TAG", "mValues["+0+"]="+mValues[0]+"------------\t"+"mValues["+6+"]="+mValues[6]);
//----------------------------------------------------------------------------

		matrix.preTranslate(-centerX, -centerY);
		matrix.postTranslate(centerX, centerY);
	}