android.graphics.Path.reset()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.reset()方法的一些代码示例，展示了Path.reset()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.reset()方法的具体详情如下：
包路径：android.graphics.Path
类名称：Path
方法名：reset

Path.reset介绍

暂无

代码示例

代码示例来源：origin: square/leakcanary

private static void squigglyHorizontalPath(Path path, float left, float right, float centerY,
   float amplitude,
   float periodDegrees) {
  path.reset();

  float y;
  path.moveTo(left, centerY);
  float period = (float) (2 * Math.PI / periodDegrees);

  for (float x = 0; x <= right - left; x += 1) {
   y = (float) (amplitude * Math.sin(40 + period * x) + centerY);
   path.lineTo(left + x, y);
  }
 }
}

代码示例来源：origin: scwang90/SmartRefreshLayout

protected void drawWave(Canvas canvas, int width) {
  //重置画笔
  mPath.reset();
  //绘制贝塞尔曲线
  mPath.lineTo(0, mWaveTop);
  mPath.quadTo(mWaveOffsetX >= 0 ? (mWaveOffsetX) : width / 2, mWaveTop + mWaveHeight, width, mWaveTop);
  mPath.lineTo(width, 0);
  mPaint.setColor(mPrimaryColor);
  canvas.drawPath(mPath, mPaint);
}

代码示例来源：origin: scwang90/SmartRefreshLayout

@NonNull
private Path generateClipPath(BoxBody body, int width) {
  mPath.reset();
  mPath.lineTo(0, body.boxCenterTop);
  mPath.lineTo(body.boxLeft, body.boxCenterTop);
  mPath.lineTo(body.boxCenterX, body.boxCenterY);
  mPath.lineTo(body.boxRight, body.boxCenterTop);
  mPath.lineTo(width, body.boxCenterTop);
  mPath.lineTo(width, 0);
  mPath.close();
  return mPath;
}

代码示例来源：origin: scwang90/SmartRefreshLayout

private void drawSpringUp(Canvas canvas, int viewWidth) {
  if (mSpringRatio > 0) {
    float leftX = (viewWidth / 2 - 4 * mBollRadius + mSpringRatio * 3 * mBollRadius);
    if (mSpringRatio < 0.9) {
      mPath.reset();
      mPath.moveTo(leftX, mBollY);
      mPath.quadTo(viewWidth / 2, mBollY - mBollRadius * mSpringRatio * 2,
          viewWidth - leftX, mBollY);
      canvas.drawPath(mPath, mFrontPaint);
    } else {
      canvas.drawCircle(viewWidth / 2, mBollY, mBollRadius, mFrontPaint);
    }
  }
}

代码示例来源：origin: scwang90/SmartRefreshLayout

private void drawWave(Canvas canvas, int viewWidth, int viewHeight) {
  float baseHeight = Math.min(mHeadHeight, viewHeight);
  if (mWaveHeight != 0) {
    mPath.reset();
    mPath.lineTo(viewWidth, 0);
    mPath.lineTo(viewWidth, baseHeight);
    mPath.quadTo(viewWidth / 2, baseHeight + mWaveHeight * 2, 0, baseHeight);
    mPath.close();
    canvas.drawPath(mPath, mBackPaint);
  } else {
    canvas.drawRect(0, 0, viewWidth, baseHeight, mBackPaint);
  }
}

代码示例来源：origin: scwang90/SmartRefreshLayout

private void drawBollTail(Canvas canvas, int viewWidth, float fraction) {
  if (mShowBollTail) {
    final float bottom = mHeadHeight + mWaveHeight;
    final float startY = mBollY + mBollRadius * fraction / 2;
    final float startX = viewWidth / 2 + (float) Math.sqrt(mBollRadius * mBollRadius * (1 - fraction * fraction / 4));
    final float bezier1x = (viewWidth / 2 + (mBollRadius * 3 / 4) * (1 - fraction));
    final float bezier2x = bezier1x + mBollRadius;
    mPath.reset();
    mPath.moveTo(startX, startY);
    mPath.quadTo(bezier1x, bottom, bezier2x, bottom);
    mPath.lineTo(viewWidth - bezier2x, bottom);
    mPath.quadTo(viewWidth - bezier1x, bottom, viewWidth - startX, startY);
    canvas.drawPath(mPath, mFrontPaint);
  }
}

代码示例来源：origin: scwang90/SmartRefreshLayout

@NonNull
private Path generateBoxBodyPath(BoxBody body) {
  mPath.reset();
  mPath.moveTo(body.boxLeft, body.boxCenterBottom);
  mPath.lineTo(body.boxCenterX, body.boxBottom);
  mPath.lineTo(body.boxRight, body.boxCenterBottom);
  mPath.quadTo(body.boxRight + body.boxSideLength / 2 * mReboundPercent, body.boxCenterY, body.boxRight, body.boxCenterTop);
  mPath.lineTo(body.boxCenterX, body.boxTop);
  mPath.lineTo(body.boxLeft, body.boxCenterTop);
  mPath.quadTo(body.boxLeft - body.boxSideLength / 2 * mReboundPercent, body.boxCenterY, body.boxLeft, body.boxCenterBottom);
  mPath.close();
  return mPath;
}
//</editor-fold>

代码示例来源：origin: scwang90/SmartRefreshLayout

@Override
protected void dispatchDraw(Canvas canvas) {
  if (mShowBezierWave) {
    //重置画笔
    mBezierPath.reset();
    mBezierPath.lineTo(0, mHeadHeight);
    //绘制贝塞尔曲线
    final View thisView = this;
    mBezierPath.quadTo(thisView.getMeasuredWidth() / 2, mHeadHeight + mWaveHeight * 1.9f, thisView.getMeasuredWidth(), mHeadHeight);
    mBezierPath.lineTo(thisView.getMeasuredWidth(), 0);
    canvas.drawPath(mBezierPath, mBezierPaint);
  }
  super.dispatchDraw(canvas);
}

代码示例来源：origin: PhilJay/MPAndroidChart

@Override
protected void drawGridLine(Canvas c, float x, float y, Path gridLinePath) {
  gridLinePath.moveTo(mViewPortHandler.contentRight(), y);
  gridLinePath.lineTo(mViewPortHandler.contentLeft(), y);
  // draw a path because lines don't support dashing on lower android versions
  c.drawPath(gridLinePath, mGridPaint);
  gridLinePath.reset();
}

代码示例来源：origin: PhilJay/MPAndroidChart

/**
 * Draws the grid line at the specified position using the provided path.
 *
 * @param c
 * @param x
 * @param y
 * @param gridLinePath
 */
protected void drawGridLine(Canvas c, float x, float y, Path gridLinePath) {
  gridLinePath.moveTo(x, mViewPortHandler.contentBottom());
  gridLinePath.lineTo(x, mViewPortHandler.contentTop());
  // draw a path because lines don't support dashing on lower android versions
  c.drawPath(gridLinePath, mGridPaint);
  gridLinePath.reset();
}

代码示例来源：origin: airbnb/lottie-android

@Override public void getBounds(RectF outBounds, Matrix parentMatrix, boolean applyParents) {
 path.reset();
 for (int i = 0; i < paths.size(); i++) {
  path.addPath(paths.get(i).getPath(), parentMatrix);
 }
 path.computeBounds(outBounds, false);
 // Add padding to account for rounding errors.
 outBounds.set(
   outBounds.left - 1,
   outBounds.top - 1,
   outBounds.right + 1,
   outBounds.bottom + 1
 );
}

代码示例来源：origin: airbnb/lottie-android

@Override public void getBounds(RectF outBounds, Matrix parentMatrix, boolean applyParents) {
 path.reset();
 for (int i = 0; i < paths.size(); i++) {
  this.path.addPath(paths.get(i).getPath(), parentMatrix);
 }
 path.computeBounds(outBounds, false);
 // Add padding to account for rounding errors.
 outBounds.set(
   outBounds.left - 1,
   outBounds.top - 1,
   outBounds.right + 1,
   outBounds.bottom + 1
 );
}

代码示例来源：origin: airbnb/lottie-android

@Override public Path getPath() {
 // TODO: cache this somehow.
 matrix.reset();
 if (transformAnimation != null) {
  matrix.set(transformAnimation.getMatrix());
 }
 path.reset();
 if (hidden) {
  return path;
 }
 for (int i = contents.size() - 1; i >= 0; i--) {
  Content content = contents.get(i);
  if (content instanceof PathContent) {
   path.addPath(((PathContent) content).getPath(), matrix);
  }
 }
 return path;
}

代码示例来源：origin: PhilJay/MPAndroidChart

public void renderLimitLineLine(Canvas c, LimitLine limitLine, float[] position) {
  mLimitLineSegmentsBuffer[0] = position[0];
  mLimitLineSegmentsBuffer[1] = mViewPortHandler.contentTop();
  mLimitLineSegmentsBuffer[2] = position[0];
  mLimitLineSegmentsBuffer[3] = mViewPortHandler.contentBottom();
  mLimitLinePath.reset();
  mLimitLinePath.moveTo(mLimitLineSegmentsBuffer[0], mLimitLineSegmentsBuffer[1]);
  mLimitLinePath.lineTo(mLimitLineSegmentsBuffer[2], mLimitLineSegmentsBuffer[3]);
  mLimitLinePaint.setStyle(Paint.Style.STROKE);
  mLimitLinePaint.setColor(limitLine.getLineColor());
  mLimitLinePaint.setStrokeWidth(limitLine.getLineWidth());
  mLimitLinePaint.setPathEffect(limitLine.getDashPathEffect());
  c.drawPath(mLimitLinePath, mLimitLinePaint);
}

代码示例来源：origin: PhilJay/MPAndroidChart

@Override
protected void drawZeroLine(Canvas c) {
  int clipRestoreCount = c.save();
  mZeroLineClippingRect.set(mViewPortHandler.getContentRect());
  mZeroLineClippingRect.inset(-mYAxis.getZeroLineWidth(), 0.f);
  c.clipRect(mLimitLineClippingRect);
  // draw zero line
  MPPointD pos = mTrans.getPixelForValues(0f, 0f);
  mZeroLinePaint.setColor(mYAxis.getZeroLineColor());
  mZeroLinePaint.setStrokeWidth(mYAxis.getZeroLineWidth());
  Path zeroLinePath = mDrawZeroLinePathBuffer;
  zeroLinePath.reset();
  zeroLinePath.moveTo((float) pos.x - 1, mViewPortHandler.contentTop());
  zeroLinePath.lineTo((float) pos.x - 1, mViewPortHandler.contentBottom());
  // draw a path because lines don't support dashing on lower android versions
  c.drawPath(zeroLinePath, mZeroLinePaint);
  c.restoreToCount(clipRestoreCount);
}

代码示例来源：origin: PhilJay/MPAndroidChart

/**
 * Draws the zero line.
 */
protected void drawZeroLine(Canvas c) {
  int clipRestoreCount = c.save();
  mZeroLineClippingRect.set(mViewPortHandler.getContentRect());
  mZeroLineClippingRect.inset(0.f, -mYAxis.getZeroLineWidth());
  c.clipRect(mZeroLineClippingRect);
  // draw zero line
  MPPointD pos = mTrans.getPixelForValues(0f, 0f);
  mZeroLinePaint.setColor(mYAxis.getZeroLineColor());
  mZeroLinePaint.setStrokeWidth(mYAxis.getZeroLineWidth());
  Path zeroLinePath = mDrawZeroLinePath;
  zeroLinePath.reset();
  zeroLinePath.moveTo(mViewPortHandler.contentLeft(), (float) pos.y);
  zeroLinePath.lineTo(mViewPortHandler.contentRight(), (float) pos.y);
  // draw a path because lines don't support dashing on lower android versions
  c.drawPath(zeroLinePath, mZeroLinePaint);
  c.restoreToCount(clipRestoreCount);
}

代码示例来源：origin: airbnb/lottie-android

@Override public void draw(Canvas canvas, Matrix parentMatrix, int parentAlpha) {
 if (hidden) {
  return;
 }
 L.beginSection("FillContent#draw");
 paint.setColor(((ColorKeyframeAnimation) colorAnimation).getIntValue());
 int alpha = (int) ((parentAlpha / 255f * opacityAnimation.getValue() / 100f) * 255);
 paint.setAlpha(clamp(alpha, 0, 255));
 if (colorFilterAnimation != null) {
  paint.setColorFilter(colorFilterAnimation.getValue());
 }
 path.reset();
 for (int i = 0; i < paths.size(); i++) {
  path.addPath(paths.get(i).getPath(), parentMatrix);
 }
 canvas.drawPath(path, paint);
 L.endSection("FillContent#draw");
}

代码示例来源：origin: airbnb/lottie-android

@Override public Path getPath() {
 Path contentPath = contentGroup.getPath();
 path.reset();
 float copies = this.copies.getValue();
 float offset = this.offset.getValue();
 for (int i = (int) copies - 1; i >= 0; i--) {
  matrix.set(transform.getMatrixForRepeater(i + offset));
  path.addPath(contentPath, matrix);
 }
 return path;
}

代码示例来源：origin: airbnb/lottie-android

@Override public Path getPath() {
 if (isPathValid) {
  return path;
 }
 path.reset();
 if (hidden) {
  isPathValid = true;
  return path;
 }
 path.set(shapeAnimation.getValue());
 path.setFillType(Path.FillType.EVEN_ODD);
 Utils.applyTrimPathIfNeeded(path, trimPath);
 isPathValid = true;
 return path;
}

代码示例来源：origin: robolectric/robolectric

@Test
public void testReset() throws Exception {
 Path path = new Path();
 path.moveTo(0, 3);
 path.lineTo(2, 3);
 path.quadTo(2, 3, 4, 5);
 path.reset();
 ShadowPath shadowPath = shadowOf(path);
 List<ShadowPath.Point> points = shadowPath.getPoints();
 assertEquals(0, points.size());
}

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