本文整理汇总了Java中android.graphics.PathMeasure.getSegment方法的典型用法代码示例。如果您正苦于以下问题:Java PathMeasure.getSegment方法的具体用法?Java PathMeasure.getSegment怎么用?Java PathMeasure.getSegment使用的例子?那么恭喜您, 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android.graphics.PathMeasure
的用法示例。
在下文中一共展示了PathMeasure.getSegment方法的8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Java代码示例。
示例1: onDraw
import android.graphics.PathMeasure; //导入方法依赖的package包/类
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
canvas.translate(x, y);
for (int i = 0; i < pathMeasures.size(); i++) {
Path path1 = new Path();
PathMeasure pathMeasure = pathMeasures.get(i);
MyPath path = paths.get(i);
if (!isReverse) {
pathMeasure.getSegment(0, pathMeasure.getLength() * animatorValue, path1, true);
canvas.drawPath(path1, linePaint);
} else {
pathMeasure.getSegment(0, pathMeasure.getLength() * (1 - animatorValue), path1, true);
canvas.drawPath(path1, linePaint);
}
drawCircles(radiusArray.get(i), canvas, path.endPoint, path.endDirection, i);
}
drawCenterCircle(canvas);
// drawCircles(radiusArray.get(0),canvas, paths.get(0).endPoint, paths.get(0).endDirection);
}
示例2: drawTick
import android.graphics.PathMeasure; //导入方法依赖的package包/类
public void drawTick(Canvas canvas) {
mBgPaint.setColor(mProgressColor);
canvas.drawRoundRect(mOvalRect, mRadius, mRadius, mBgPaint);
//draw left
mLeftPath.moveTo(mWidth / 2, mHeight * 3 / 4);
mLeftPath.lineTo(mWidth / 2 - mHeight / 4, mHeight * 3 / 5);
mLeftPathMeasure = new PathMeasure(mLeftPath, true);
Path leftDst = new Path();
float leftStop = mLeftPathMeasure.getLength() * mAnimationValue;
mLeftPathMeasure.getSegment(0, leftStop, leftDst, true);
canvas.drawPath(leftDst, mTickPaint);
//draw right
mRightPath.moveTo(mWidth / 2, mHeight * 3 / 4);
mRightPath.lineTo(mWidth / 2 + mHeight / 4, mHeight / 4);
mRightPathMeasure = new PathMeasure(mRightPath, true);
Path rightDst = new Path();
float rightStop = mRightPathMeasure.getLength() * mAnimationValue;
mRightPathMeasure.getSegment(0, rightStop, rightDst, true);
canvas.drawPath(rightDst, mTickPaint);
//some devices do not support pathmeasure
if (mIsDone) {
canvas.drawPath(mLeftPath, mTickPaint);
canvas.drawPath(mRightPath, mTickPaint);
}
}
示例3: drawLine
import android.graphics.PathMeasure; //导入方法依赖的package包/类
/**
* 绘制曲线
*
* @param canvas
*/
private void drawLine(Canvas canvas) {
if (isPlayAnim) {
Path dst = new Path();
PathMeasure measure = new PathMeasure(linePath, false);
measure.getSegment(0, currentValue * measure.getLength(), dst, true);
canvas.drawPath(dst, linePaint);
} else {
canvas.drawPath(linePath, linePaint);
}
}
示例4: run
import android.graphics.PathMeasure; //导入方法依赖的package包/类
public void run() {
System.out.println("Stroke nums:"+vp.size());
for(int i=0;i<vp.size();++i)
{
// System.out.println("Haha");
// seg.set(vp.get(i));
PathMeasure pm=new PathMeasure(vp.get(i),false);
float len=pm.getLength();
System.out.println("Len:"+len);
float start=0.0f,end;
float delta=1.0f;
while(start<len)
{
end=min(start+delta,len);
seg.reset();
pm.getSegment(start, end, seg,true);
matrix.reset();
// matrix.setScale(sx, sy);
//matrix.postScale(sx, sy, dx,dy);
seg.transform(matrix);
mCanvas.drawPath(seg, mPaint);
start+=delta;
// System.out.println("hello")
try{
Message msg=handler.obtainMessage();
msg.arg1=0;
handler.sendMessage(msg);
Thread.sleep(30);
}
catch(Exception e){
}
finally{
}
}
}
}
示例5: onDraw
import android.graphics.PathMeasure; //导入方法依赖的package包/类
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
mPaint.setColor(getResources().getColor(R.color.colorAccent));
mPaint.setStyle(Paint.Style.STROKE);
mPaint.setStrokeWidth(10);
mPaint.setStrokeCap(Paint.Cap.ROUND);
mPaint.setAntiAlias(true);
canvas.save();
canvas.translate(mWidth / 2, mHeight / 2);
// Path 直线操作
Path path = new Path();
path.lineTo(200, 200);
path.setLastPoint(200, 100);
path.lineTo(200, 0);
path.close();
path.moveTo(400, 200);
path.lineTo(400, 0);
path.addRect(-300, -300, 300, 300, Path.Direction.CCW);
path.setLastPoint(-400, 400);
canvas.drawPath(path, mPaint);
// Path 基本图形操作
mPaint.setColor(getResources().getColor(R.color.colorPrimary));
Path path1 = new Path();
Path path2 = new Path();
path1.addRect(-100, -100, 100, 100, Path.Direction.CW);
path2.addCircle(0, 0, 100, Path.Direction.CW);
path1.addPath(path2, 0, -100);
canvas.drawPath(path1, mPaint);
// Path 弧线操作
RectF rectF = new RectF(0, -400, 100, -300);
Path path3 = new Path();
path3.moveTo(0, -300);
path3.lineTo(100, -200);
path3.arcTo(rectF, 180, 180, true);
canvas.drawPath(path3, mPaint);
Path path4 = new Path();
Path path5 = new Path();
path4.addCircle(0, -600, 100, Path.Direction.CW);
path5.addRect(-100, -700, 100, -500, Path.Direction.CW);
path4.offset(100, 0, path5); // offset(float dx, float dy, Path dst) 中的 dx 和 dy 是偏移量,不是绝对量
canvas.drawPath(path4, mPaint);
mPaint.setColor(getResources().getColor(R.color.colorAccent));
canvas.drawPath(path5, mPaint);
Path path6 = new Path();
path6.addCircle(0, 0, 300, Path.Direction.CW);
PathMeasure pathMeasure = new PathMeasure();
pathMeasure.setPath(path6, false);
Path dst = new Path();
pathMeasure.getSegment(pathMeasure.getLength() * 1.2f, pathMeasure.getLength() * 1.5f, dst, true);
canvas.drawPath(dst, mPaint);
}
示例6: drawText
import android.graphics.PathMeasure; //导入方法依赖的package包/类
protected void drawText(float scaledWidth, Path mainPath, GISDisplay display) {
if (TextUtils.isEmpty(mText) || mainPath == null)
return;
Paint textPaint = new Paint();
textPaint.setColor(mOutColor);
textPaint.setAntiAlias(true);
textPaint.setStyle(Paint.Style.FILL);
textPaint.setStrokeCap(Paint.Cap.ROUND);
textPaint.setStrokeWidth(scaledWidth);
float textSize = 12 * scaledWidth;
textPaint.setTextSize(textSize);
float textWidth = textPaint.measureText(mText);
float vOffset = (float) (textSize / 2.7);
// draw text along the main path
PathMeasure pm = new PathMeasure(mainPath, false);
float length = pm.getLength();
float gap = textPaint.measureText("_");
float period = textWidth + gap;
float startD = gap;
float stopD = startD + period;
Path textPath = new Path();
while (stopD < length) {
textPath.reset();
pm.getSegment(startD, stopD, textPath, true);
textPath.rLineTo(0, 0); // workaround for API <= 19
display.drawTextOnPath(mText, textPath, 0, vOffset, textPaint);
startD += period;
stopD += period;
}
stopD = startD;
float rest = length - stopD;
if (rest > gap * 2) {
stopD = length - gap;
textPath.reset();
pm.getSegment(startD, stopD, textPath, true);
textPath.rLineTo(0, 0); // workaround for API <= 19
display.drawTextOnPath(mText, textPath, 0, vOffset, textPaint);
}
}
示例7: getRestLength
import android.graphics.PathMeasure; //导入方法依赖的package包/类
private float getRestLength(Path path, float startD) {
Path tempPath = new Path();
PathMeasure pathMeasure = new PathMeasure(path, false);
pathMeasure.getSegment(startD, pathMeasure.getLength(), tempPath, true);
pathMeasure.setPath(tempPath, false);
return pathMeasure.getLength();
}
示例8: testGetSegment
import android.graphics.PathMeasure; //导入方法依赖的package包/类
private void testGetSegment(Canvas canvas, boolean startWithMoveTo) {
Path path = new Path(); // 创建Path并添加了一个矩形
path.addRect(-200, -200, 200, 200, Path.Direction.CW);
Path dst = new Path(); // 创建用于存储截取后内容的 Path
dst.lineTo(-300, -300); // <--- 在 dst 中添加一条线段
PathMeasure measure = new PathMeasure(path, false); // 将 Path 与 PathMeasure 关联
measure.getSegment(200, 600, dst, startWithMoveTo); // 截取一部分 并使用 moveTo 保持截取得到的 Path 第一个点的位置不变
canvas.drawPath(dst, mDeafultPaint);
}