本文整理匯總了Java中android.view.View.getMatrix方法的典型用法代碼示例。如果您正苦於以下問題：Java View.getMatrix方法的具體用法？Java View.getMatrix怎麽用？Java View.getMatrix使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類android.view.View的用法示例。
在下文中一共展示了View.getMatrix方法的4個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: getMatrix
import android.view.View; //導入方法依賴的package包/類
public float[] getMatrix() {
if (mMatrix != null) {
return mMatrix;
} else {
final View view = getView();
if (view != null) {
Matrix matrix = view.getMatrix();
if (matrix != null) {
mMatrix = new float[9];
matrix.getValues(mMatrix);
return mMatrix;
}
}
}
return null;
}
示例2: transformMotionEventToLocal
import android.view.View; //導入方法依賴的package包/類
/**
* Recursive helper method that applies transformations in post-order.
*
* @param ev the on-screen motion event
*/
private static void transformMotionEventToLocal(@NonNull View view, @NonNull MotionEvent ev) {
final ViewParent parent = view.getParent();
if (parent instanceof View) {
final View vp = (View) parent;
transformMotionEventToLocal(vp, ev);
ev.offsetLocation(vp.getScrollX(), vp.getScrollY());
} // TODO: Use reflections to access ViewRootImpl
// else if (parent instanceof ViewRootImpl) {
// final ViewRootImpl vr = (ViewRootImpl) parent;
// ev.offsetLocation(0, vr.mCurScrollY);
// }
ev.offsetLocation(-view.getLeft(), -view.getTop());
Matrix matrix = view.getMatrix();
if (matrix != null) {
ev.transform(matrix);
}
}
示例3: transformMotionEventToGlobal
import android.view.View; //導入方法依賴的package包/類
/**
* Recursive helper method that applies transformations in pre-order.
*
* @param ev the on-screen motion event
*/
private static void transformMotionEventToGlobal(@NonNull View view, @NonNull MotionEvent ev) {
Matrix matrix = view.getMatrix();
if (matrix != null) {
ev.transform(matrix);
}
ev.offsetLocation(view.getLeft(), view.getTop());
final ViewParent parent = view.getParent();
if (parent instanceof View) {
final View vp = (View) parent;
ev.offsetLocation(-vp.getScrollX(), -vp.getScrollY());
transformMotionEventToGlobal(vp, ev);
} // TODO: Use reflections to access ViewRootImpl
// else if (parent instanceof ViewRootImpl) {
// final ViewRootImpl vr = (ViewRootImpl) parent;
// ev.offsetLocation(0, -vr.mCurScrollY);
// }
}
示例4: isTransformedTouchPointInView
import android.view.View; //導入方法依賴的package包/類
/**
* Returns whether the touch point is within the child View
* It is transform aware and will invert the transform Matrix to find the true local points
* This code is taken from {@link ViewGroup#isTransformedTouchPointInView()}
*/
private static boolean isTransformedTouchPointInView(
float x,
float y,
ViewGroup parent,
View child,
PointF outLocalPoint) {
float localX = x + parent.getScrollX() - child.getLeft();
float localY = y + parent.getScrollY() - child.getTop();
Matrix matrix = child.getMatrix();
if (!matrix.isIdentity()) {
float[] localXY = mMatrixTransformCoords;
localXY[0] = localX;
localXY[1] = localY;
Matrix inverseMatrix = mInverseMatrix;
matrix.invert(inverseMatrix);
inverseMatrix.mapPoints(localXY);
localX = localXY[0];
localY = localXY[1];
}
if (child instanceof ReactHitSlopView && ((ReactHitSlopView) child).getHitSlopRect() != null) {
Rect hitSlopRect = ((ReactHitSlopView) child).getHitSlopRect();
if ((localX >= -hitSlopRect.left && localX < (child.getRight() - child.getLeft()) + hitSlopRect.right)
&& (localY >= -hitSlopRect.top && localY < (child.getBottom() - child.getTop()) + hitSlopRect.bottom)) {
outLocalPoint.set(localX, localY);
return true;
}
return false;
} else {
if ((localX >= 0 && localX < (child.getRight() - child.getLeft()))
&& (localY >= 0 && localY < (child.getBottom() - child.getTop()))) {
outLocalPoint.set(localX, localY);
return true;
}
return false;
}
}