android.graphics.Path.arcTo()方法的使用及代码示例

x33g5p2x  于2022-01-25 转载在 其他  
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本文整理了Java中android.graphics.Path.arcTo()方法的一些代码示例，展示了Path.arcTo()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Path.arcTo()方法的具体详情如下：
包路径：android.graphics.Path
类名称：Path
方法名：arcTo

Path.arcTo介绍

暂无

代码示例

代码示例来源：origin: facebook/litho

private void buildClippingCorners() {
  mCornerPath.reset();

  RectF oval = new RectF(0, 0, mCornerRadius * 2, mCornerRadius * 2);

  mCornerPath.setFillType(Path.FillType.EVEN_ODD);
  mCornerPath.moveTo(0, 0);
  mCornerPath.lineTo(0, mCornerRadius);
  mCornerPath.arcTo(oval, 180f, 90f, true);
  mCornerPath.lineTo(0, 0);

  mCornerPath.close();
 }
}

代码示例来源：origin: GitLqr/LQRWeChat

public void rightPath(RectF rect, Path path) {
  path.moveTo(mAngle, rect.top);
  path.lineTo(rect.width(), rect.top);
  path.arcTo(new RectF(rect.right - mAngle * 2 - mArrowWidth, rect.top,
      rect.right - mArrowWidth, mAngle * 2 + rect.top), 270, 90);
  path.lineTo(rect.right - mArrowWidth, mArrowTop);
  path.lineTo(rect.right, mArrowTop - mArrowOffset);
  path.lineTo(rect.right - mArrowWidth, mArrowTop + mArrowHeight);
  path.lineTo(rect.right - mArrowWidth, rect.height() - mAngle);
  path.arcTo(new RectF(rect.right - mAngle * 2 - mArrowWidth, rect.bottom
      - mAngle * 2, rect.right - mArrowWidth, rect.bottom), 0, 90);
  path.lineTo(rect.left, rect.bottom);
  path.arcTo(new RectF(rect.left, rect.bottom - mAngle * 2, mAngle * 2
      + rect.left, rect.bottom), 90, 90);
  path.lineTo(rect.left, rect.top);
  path.arcTo(new RectF(rect.left, rect.top, mAngle * 2 + rect.left,
      mAngle * 2 + rect.top), 180, 90);
  path.close();
}

代码示例来源：origin: GitLqr/LQRWeChat

public void leftPath(RectF rect, Path path) {
  path.moveTo(mAngle + mArrowWidth, rect.top);
  path.lineTo(rect.width(), rect.top);
  path.arcTo(new RectF(rect.right - mAngle * 2, rect.top, rect.right,
      mAngle * 2 + rect.top), 270, 90);
  path.lineTo(rect.right, rect.top);
  path.arcTo(new RectF(rect.right - mAngle * 2, rect.bottom - mAngle * 2,
      rect.right, rect.bottom), 0, 90);
  path.lineTo(rect.left + mArrowWidth, rect.bottom);
  path.arcTo(new RectF(rect.left + mArrowWidth, rect.bottom - mAngle * 2,
      mAngle * 2 + rect.left + mArrowWidth, rect.bottom), 90, 90);
  path.lineTo(rect.left + mArrowWidth, mArrowTop + mArrowHeight);
  path.lineTo(rect.left, mArrowTop - mArrowOffset);
  path.lineTo(rect.left + mArrowWidth, mArrowTop);
  path.lineTo(rect.left + mArrowWidth, rect.top);
  path.arcTo(new RectF(rect.left + mArrowWidth, rect.top, mAngle * 2
      + rect.left + mArrowWidth, mAngle * 2 + rect.top), 180, 90);
  path.close();
}

代码示例来源：origin: wangdan/AisenWeiBo

@Override
protected void onSizeChanged(int width, int height, int oldw, int oldh) {
  int centerX = width / 2;
  int centerY = height / 2;
  innerPadding = (int) (paramInnerPadding * width / 100);
  outerPadding = (int) (paramOuterPadding * width / 100);
  arrowPointerSize = (int) (paramArrowPointerSize * width / 100);
  valueSliderWidth = (int) (paramValueSliderWidth * width / 100);
  outerWheelRadius = width / 2 - outerPadding - arrowPointerSize;
  innerWheelRadius = outerWheelRadius - valueSliderWidth;
  colorWheelRadius = innerWheelRadius - innerPadding;
  outerWheelRect.set(centerX - outerWheelRadius, centerY - outerWheelRadius, centerX + outerWheelRadius, centerY + outerWheelRadius);
  innerWheelRect.set(centerX - innerWheelRadius, centerY - innerWheelRadius, centerX + innerWheelRadius, centerY + innerWheelRadius);
  colorWheelBitmap = createColorWheelBitmap(colorWheelRadius * 2, colorWheelRadius * 2);
  gradientRotationMatrix = new Matrix();
  gradientRotationMatrix.preRotate(270, width / 2, height / 2);
  colorViewPath.arcTo(outerWheelRect, 270, -180);
  colorViewPath.arcTo(innerWheelRect, 90, 180);
  valueSliderPath.arcTo(outerWheelRect, 270, 180);
  valueSliderPath.arcTo(innerWheelRect, 90, -180);
}

代码示例来源：origin: rey5137/material

mTrackPath.arcTo(mTempRect, 180 + angle, -angle * 2);
mTrackPath.lineTo(mDrawRect.left, y + halfStroke);
mTrackPath.close();
mTrackPath.arcTo(mTempRect, -angle, angle * 2);
mTrackPath.lineTo(mDrawRect.right, y + halfStroke);
mTrackPath.close();
mTrackPath.arcTo(mTempRect, 180 - angle2, angle2 * 2);
mTrackPath.arcTo(mTempRect, 180 + angle, -angle * 2);
mTrackPath.close();
mTrackPath.arcTo(mTempRect, angle2, -angle2 * 2);
mTrackPath.arcTo(mTempRect, -angle, angle * 2);
mTrackPath.close();

代码示例来源：origin: airbnb/lottie-android

position.x + halfWidth,
  position.y + halfHeight);
path.arcTo(rect, 0, 90, false);
  position.x - halfWidth + 2 * radius,
  position.y + halfHeight);
path.arcTo(rect, 90, 90, false);
  position.x - halfWidth + 2 * radius,
  position.y - halfHeight + 2 * radius);
path.arcTo(rect, 180, 90, false);
  position.x + halfWidth,
  position.y - halfHeight + 2 * radius);
path.arcTo(rect, 270, 90, false);

代码示例来源：origin: rey5137/material

public void updateCorner(float radius){
  mRadius = radius;
  Rect bounds = getBounds();
  mPath.reset();
  if(radius == 0)
    mPath.addRect(bounds.left, bounds.top, bounds.right, bounds.bottom, Path.Direction.CW);
  else {
    RectF rect = new RectF();
    mPath.moveTo(bounds.left, bounds.top - radius);
    rect.set(bounds.left, bounds.top, bounds.left + radius * 2, bounds.top + radius * 2);
    mPath.arcTo(rect, 180, 90, false);
    mPath.lineTo(bounds.right - radius, bounds.top);
    rect.set(bounds.right - radius * 2, bounds.top, bounds.right, bounds.top + radius * 2);
    mPath.arcTo(rect, 270, 90, false);
    mPath.lineTo(bounds.right, bounds.bottom);
    mPath.lineTo(bounds.left, bounds.bottom);
    mPath.close();
  }
  invalidateSelf();
}

代码示例来源：origin: ZieIony/Carbon

} else {
  rect.set(0, 0, ts * 2, ts * 2);
  path.arcTo(rect, -180, 90, false);
} else {
  rect.set(width - te * 2, 0, width, te * 2);
  path.arcTo(rect, -90, 90, false);
} else {
  rect.set(width - be * 2, height - be * 2, width, height);
  path.arcTo(rect, 0, 90, false);
} else {
  rect.set(0, height - bs * 2, bs * 2, height);
  path.arcTo(rect, 90, 90, false);

代码示例来源：origin: seven332/EhViewer

@Override
protected void onBoundsChange(Rect bounds) {
  int width = bounds.width();
  int height = bounds.height();
  RectF rectF = mTempRectF;
  Path path = mPath;
  path.reset();
  if (width > height) {
    int radius = height / 2;
    path.moveTo(bounds.right - radius, bounds.top);
    rectF.set(bounds.right - height, bounds.top, bounds.right, bounds.bottom);
    path.arcTo(rectF, -90.0f, 180.0f, false);
    path.lineTo(bounds.left + radius, bounds.bottom);
    rectF.set(bounds.left, bounds.top, bounds.left + height, bounds.bottom);
    path.arcTo(rectF, 90.0f, 180.0f, false);
    path.lineTo(bounds.right - radius, bounds.top);
  } else if (width == height) {
    path.addCircle(bounds.centerX(), bounds.centerY(), width / 2, Path.Direction.CW);
  } else {
    // TODO
  }
}

代码示例来源：origin: rey5137/material

if(x > mDrawRect.left){
  mTempRect.set(mDrawRect.left, y - halfStroke, mDrawRect.left + mTrackSize, y + halfStroke);
  mLeftTrackPath.arcTo(mTempRect, 90, 180);
  mLeftTrackPath.lineTo(x, y - halfStroke);
  mLeftTrackPath.lineTo(x, y + halfStroke);
  mRightTrackPath.arcTo(mTempRect, 270, 180);
  mRightTrackPath.lineTo(x, y + halfStroke);
  mRightTrackPath.lineTo(x, y - halfStroke);
  mLeftTrackPath.arcTo(mTempRect, 180 + angle, -angle * 2);
  mLeftTrackPath.lineTo(mDrawRect.left, y + halfStroke);
  mLeftTrackPath.close();
  mRightTrackPath.arcTo(mTempRect, -angle, angle * 2);
  mRightTrackPath.lineTo(mDrawRect.right, y + halfStroke);
  mRightTrackPath.close();
  mLeftTrackPath.arcTo(mTempRect, 180 - angle2, angle2 * 2);
  mLeftTrackPath.arcTo(mTempRect, 180 + angle, -angle * 2);
  mLeftTrackPath.close();
  mRightTrackPath.arcTo(mTempRect, angle2, -angle2 * 2);
  mRightTrackPath.arcTo(mTempRect, -angle, angle * 2);
  mRightTrackPath.close();

代码示例来源：origin: dinuscxj/LoadingDrawable

path.arcTo(new RectF(bounds.centerX() - mWaitCircleRadius, bounds.centerY() - mWaitCircleRadius,
    bounds.centerX() + mWaitCircleRadius, bounds.centerY() + mWaitCircleRadius), 0, -359);
path.arcTo(new RectF(bounds.centerX() - mWaitCircleRadius, bounds.centerY() - mWaitCircleRadius,
    bounds.centerX() + mWaitCircleRadius, bounds.centerY() + mWaitCircleRadius), 1, -359);
path.arcTo(new RectF(bounds.centerX() - mWaitCircleRadius, bounds.centerY() - mWaitCircleRadius,
    bounds.centerX() + mWaitCircleRadius, bounds.centerY() + mWaitCircleRadius), 2, -2);

代码示例来源：origin: Aspsine/SwipeToLoadLayout

@Override
  public void draw(Canvas canvas) {
    canvas.save();
    canvas.rotate(mDegrees, canvas.getWidth() / 2, canvas.getHeight() / 2);

    mPath.reset();
    float d = Math.min(canvas.getWidth(), canvas.getHeight());
    float left = dp2px(DEFAULT_BORDER_WIDTH);
    float top = dp2px(DEFAULT_BORDER_WIDTH);
    float right = (d - dp2px(DEFAULT_BORDER_WIDTH));
    float bottom = (d - dp2px(DEFAULT_BORDER_WIDTH));
    mBounds.set(left, top, right, bottom);
    mPath.arcTo(mBounds, DEFAULT_START_ANGLE, mAngle, true);
    mPaint.setAlpha(mAlpha);
    canvas.drawPath(mPath, mPaint);
    canvas.restore();
  }
}

代码示例来源：origin: rey5137/material

mTempRect.set(nCx - nRadius, nCy - nRadius, nCx + nRadius, nCy + nRadius);
path.moveTo(x1, y1);
path.arcTo(mTempRect, 180 - angle, 180 + angle * 2);
  nRadius = (float)distance(nCx, nCy, x2, y2);
  mTempRect.set(nCx - nRadius, nCy - nRadius, nCx + nRadius, nCy + nRadius);
  path.arcTo(mTempRect, angle, angle2 - angle);
  angle2 = (float)(Math.atan2(y1 - nCy, x1 - nCx) * 180 / Math.PI);
  mTempRect.set(nCx - nRadius, nCy - nRadius, nCx + nRadius, nCy + nRadius);
  path.arcTo(mTempRect, angle + (float)Math.PI / 4, angle2 - angle);

代码示例来源：origin: rey5137/material

mHeaderBackground.lineTo(0, mCornerRadius);
mRect.set(0, 0, mCornerRadius * 2, mCornerRadius * 2);
mHeaderBackground.arcTo(mRect, 180f, 90f, false);
mHeaderBackground.lineTo(mHeaderRealWidth - mCornerRadius, 0);
mRect.set(mHeaderRealWidth - mCornerRadius * 2, 0, mHeaderRealWidth, mCornerRadius * 2);
mHeaderBackground.arcTo(mRect, 270f, 90f, false);
mHeaderBackground.lineTo(mHeaderRealWidth, mHeaderRealHeight);
mHeaderBackground.close();
mHeaderBackground.lineTo(0, mCornerRadius);
mRect.set(0, 0, mCornerRadius * 2, mCornerRadius * 2);
mHeaderBackground.arcTo(mRect, 180f, 90f, false);
mHeaderBackground.lineTo(mHeaderRealWidth, 0);
mHeaderBackground.lineTo(mHeaderRealWidth, mHeaderRealHeight);

代码示例来源：origin: rey5137/material

mHeaderSecondaryBackground.lineTo(0, mCornerRadius);
mRect.set(0, 0, mCornerRadius * 2, mCornerRadius * 2);
mHeaderSecondaryBackground.arcTo(mRect, 180f, 90f, false);
mHeaderSecondaryBackground.lineTo(mHeaderRealWidth - mCornerRadius, 0);
mRect.set(mHeaderRealWidth - mCornerRadius * 2, 0, mHeaderRealWidth, mCornerRadius * 2);
mHeaderSecondaryBackground.arcTo(mRect, 270f, 90f, false);
mHeaderSecondaryBackground.lineTo(mHeaderRealWidth, mHeaderSecondaryHeight);
mHeaderSecondaryBackground.close();
mHeaderSecondaryBackground.lineTo(0, mCornerRadius);
mRect.set(0, 0, mCornerRadius * 2, mCornerRadius * 2);
mHeaderSecondaryBackground.arcTo(mRect, 180f, 90f, false);
mHeaderSecondaryBackground.lineTo(mHeaderRealWidth, 0);
mHeaderSecondaryBackground.lineTo(mHeaderRealWidth, mHeaderSecondaryHeight);

代码示例来源：origin: facebook/litho

mCornerShadowTopPath.setFillType(Path.FillType.EVEN_ODD);
mCornerShadowTopPath.moveTo(shadowHorizontal + mCornerRadius, shadowTop);
mCornerShadowTopPath.arcTo(topInnerBounds, 270f, -90f, true);
mCornerShadowTopPath.rLineTo(-shadowHorizontal, 0);
mCornerShadowTopPath.lineTo(0, mCornerRadius);
mCornerShadowTopPath.arcTo(topOuterBounds, 180f, 90f, true);
mCornerShadowTopPath.lineTo(shadowHorizontal + mCornerRadius, 0);
mCornerShadowTopPath.rLineTo(0, shadowTop);
mCornerShadowBottomPath.setFillType(Path.FillType.EVEN_ODD);
mCornerShadowBottomPath.moveTo(shadowHorizontal + mCornerRadius, shadowBottom);
mCornerShadowBottomPath.arcTo(bottomInnerBounds, 270f, -90f, true);
mCornerShadowBottomPath.rLineTo(-shadowHorizontal, 0);
mCornerShadowBottomPath.lineTo(0, mCornerRadius);
mCornerShadowBottomPath.arcTo(bottomOuterBounds, 180f, 90f, true);
mCornerShadowBottomPath.lineTo(shadowHorizontal + mCornerRadius, 0);
mCornerShadowBottomPath.rLineTo(0, shadowBottom);

代码示例来源：origin: PhilJay/MPAndroidChart

mPathBuffer.arcTo(roundedCircleBox, startAngleOuter + 180, -180);
mPathBuffer.arcTo(
    circleBox,
    startAngleOuter,
    float y = center.y + (radius - roundedRadius) * (float) Math.sin(endAngleInner * Utils.FDEG2RAD);
    roundedCircleBox.set(x - roundedRadius, y - roundedRadius, x + roundedRadius, y + roundedRadius);
    mPathBuffer.arcTo(roundedCircleBox, endAngleInner, 180);
  } else
    mPathBuffer.lineTo(
        center.y + innerRadius * (float) Math.sin(endAngleInner * Utils.FDEG2RAD));
  mPathBuffer.arcTo(
      mInnerRectBuffer,
      endAngleInner,

代码示例来源：origin: PhilJay/MPAndroidChart

center.y + highlightedRadius * (float) Math.sin(startAngleShifted * Utils.FDEG2RAD));
mPathBuffer.arcTo(
    highlightedCircleBox,
    startAngleShifted,
      center.y + innerRadius * (float) Math.sin(endAngleInner * Utils.FDEG2RAD));
  mPathBuffer.arcTo(
      mInnerRectBuffer,
      endAngleInner,

代码示例来源：origin: robolectric/robolectric

@Test
public void arcTo1() {
 Path path = new Path();
 assertThat(path.isEmpty()).isTrue();
 RectF oval = new RectF(LEFT, TOP, RIGHT, BOTTOM);
 path.arcTo(oval, 0.0f, 30.0f, true);
 assertThat(path.isEmpty()).isFalse();
}

代码示例来源：origin: robolectric/robolectric

@Test
public void arcTo2() {
 Path path = new Path();
 assertThat(path.isEmpty()).isTrue();
 RectF oval = new RectF(LEFT, TOP, RIGHT, BOTTOM);
 path.arcTo(oval, 0.0f, 30.0f);
 assertThat(path.isEmpty()).isFalse();
}

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