java类android.graphics.Path.Direction的实例源码

private void drawCircle(Canvas canvas) {
    Paint textPaint = new Paint();
    textPaint.setColor(this.mCircleWhite);
    textPaint.setAntiAlias(true);
    textPaint.setTextSize(getResources().getDimension(R.dimen.out_indicator_size));
    float textHeight = (float) ViewUtils.getTextHeight(textPaint);
    float perAngle = 270.0f / (this.mEndIndicator - this.mStartIndicator);
    int radius = (int) (((float) getViewRadius()) - (2.6f * ((float) this.mDividerWidth)));
    FontMetricsInt fmi = textPaint.getFontMetricsInt();
    float textRadius = (float) (radius - (Math.abs(fmi.bottom + fmi.top) / 2));
    RectF oval = new RectF((float) (getCenterX() - radius), (float) (getCenterY() - radius),
            (float) (getCenterX() + radius), (float) (getCenterY() + radius));
    Path path = new Path();
    path.addCircle((float) getCenterX(), (float) getCenterY(), textRadius, Direction.CW);
    Paint circlePaint = new Paint();
    circlePaint.setAntiAlias(true);
    circlePaint.setStrokeWidth(16.0f + textHeight);
    circlePaint.setStyle(Style.STROKE);
    if (this.mDividerIndicator.size() == 0) {
        circlePaint.setStrokeCap(Cap.ROUND);
        circlePaint.setColor(this.mCircleGray);
        canvas.drawArc(oval, 135.0f, 270.0f, false, circlePaint);
        return;
    }
    circlePaint.setStrokeCap(Cap.ROUND);
    drawCircleContent(canvas, (IndicatorItem) this.mDividerIndicator.get(0), oval, perAngle,
            textRadius, path, textPaint, circlePaint);
    Canvas canvas2 = canvas;
    drawCircleContent(canvas2, (IndicatorItem) this.mDividerIndicator.get(this
            .mDividerIndicator.size() - 1), oval, perAngle, textRadius, path, textPaint,
            circlePaint);
    circlePaint.setStrokeCap(Cap.BUTT);
    for (int i = 1; i < this.mDividerIndicator.size() - 1; i++) {
        drawCircleContent(canvas, (IndicatorItem) this.mDividerIndicator.get(i), oval,
                perAngle, textRadius, path, textPaint, circlePaint);
    }
}

@Override
protected void onDraw(Canvas canvas) {

    final float width = canvas.getWidth();
    final float height = canvas.getHeight();

    mPath.rewind();
    mPath.addRoundRect(new RectF(PADDING, PADDING, width - PADDING, height - PADDING), CORNER_RADIUS, CORNER_RADIUS, Direction.CW);
    mPath.addPath(mBubbleLegPrototype, renderBubbleLegMatrix(width, height));

    canvas.drawPath(mPath, mPaint);
    canvas.scale((width - STROKE_WIDTH) / width, (height - STROKE_WIDTH) / height, width / 2f, height / 2f);

    canvas.drawPath(mPath, mFillPaint);
}

private void draw(Canvas c, Paint p, int x, int dir, int top, int bottom, int size) {
    sBulletPath.reset();
    sBulletPath.addCircle(0.0f, 0.0f, size, Direction.CW);

    c.save();
    c.translate(x + dir * size, (top + bottom) / 2.0f);
    c.drawPath(sBulletPath, p);
    c.restore();
}

private void draw(Canvas c, Paint p, int x, int dir, int top, int bottom, int size) {
    sBulletPath.reset();
    sBulletPath.addCircle(0.0f, 0.0f, size, Direction.CW);

    c.save();
    c.translate(x + dir * size, (top + bottom) / 2.0f);
    c.drawPath(sBulletPath, p);
    c.restore();
}

public FolderIconCreater(Context c) {
  mRes = c.getResources();
  mSize = BitmapUtils.getActivityIconSize(c);
  mIconSize = mSize * 3 / 5;

  mRoundRect = new Path();
  float gap = (mSize - mIconSize) * 0.25f;
  mRoundRect.addRoundRect(new RectF(gap, gap, mSize - gap, mSize - gap), gap / 2, gap / 2, Direction.CW);

  // Init variables
  // cos(45) = 0.707  + ~= 0.1) = 0.8f
  mBaselineIconScale = (1 + 0.8f) / (2 * (1 + PERSPECTIVE_SHIFT_FACTOR));
  mBaselineIconSize = (int) (mSize * mBaselineIconScale);
  mMaxPerspectiveShift = mBaselineIconSize * PERSPECTIVE_SHIFT_FACTOR;
}

private void invalidateRevealInfo() {
  if (STRATEGY == CLIP_PATH) {
    revealPath.rewind();
    if (revealInfo != null) {
      revealPath.addCircle(
          revealInfo.centerX, revealInfo.centerY, revealInfo.radius, Direction.CW);
    }
  }

  view.invalidate();
}

protected void drawSeriesBackgroundAndFrame(XYMultipleSeriesRenderer renderer, Canvas canvas, Rect rect, Paint paint) 
{
 int alpha = paint.getAlpha();
 Path path = new Path();
 path.addRect((float)rect.left, (float)rect.top, (float)rect.right, (float)rect.bottom, Direction.CCW);
 // draw fill
    BackgroundAndFill fill = renderer.getSeriesBackgroundColor();
    if (fill != null)
    {
        paint.setStyle(Style.FILL);
        BackgroundDrawer.drawPathBackground(canvas, null, 1, fill, rect, null, 1.0f, path, paint);
        paint.setAlpha(alpha);
    }

    // draw border
    Line frame = renderer.getSeriesFrame();
    if (frame != null)
    {
        paint.setStyle(Style.STROKE);
        paint.setStrokeWidth(2);
        if(frame.isDash())
        {
          DashPathEffect dashPathEffect = new DashPathEffect(new float[] {5, 5}, 10);
            paint.setPathEffect(dashPathEffect);
        }            

        BackgroundDrawer.drawPathBackground(canvas, null, 1, frame.getBackgroundAndFill(), rect, null, 1.0f, path, paint);
        paint.setStyle(Style.FILL);
        paint.setAlpha(alpha);
    }

    paint.reset();
    paint.setAntiAlias(true);
}

/**
 * Draws the chart background.
 * 
 * @param renderer the chart renderer
 * @param canvas the canvas to paint to
 * @param x the top left x value of the view to draw to
 * @param y the top left y value of the view to draw to
 * @param width the width of the view to draw to
 * @param height the height of the view to draw to
 * @param paint the paint used for drawing
 * @param newColor if a new color is to be used
 * @param color the color to be used
 */
protected void drawBackgroundAndFrame(DefaultRenderer renderer, Canvas canvas, IControl control, Rect rect, Paint paint) 
{
 int alpha = paint.getAlpha();
 Path path = new Path();
 path.addRect((float)rect.left, (float)rect.top, (float)rect.right, (float)rect.bottom, Direction.CCW);
 // draw fill
    BackgroundAndFill fill = renderer.getBackgroundAndFill();
    if (fill != null)
    {
        paint.setStyle(Style.FILL);
        BackgroundDrawer.drawPathBackground(canvas, control, 1, fill, rect, null, 1.0f, path, paint);
        paint.setAlpha(alpha);
    }

    // draw border
    Line frame = renderer.getChartFrame();
    if (frame != null)
    {
        paint.setStyle(Style.STROKE);
        paint.setStrokeWidth(2);
        if(frame.isDash())
        {
          DashPathEffect dashPathEffect = new DashPathEffect(new float[] {5, 5}, 10);
            paint.setPathEffect(dashPathEffect);
        }            

        BackgroundDrawer.drawPathBackground(canvas, null, 1, frame.getBackgroundAndFill(), rect, null, 1.0f, path, paint);
        paint.setStyle(Style.FILL);
        paint.setAlpha(alpha);
    }

    paint.reset();
    paint.setAntiAlias(true);
}

/**
 * 线性标注1
 * @param canvas
 * @param shape
 * @param rect
 */
private static Path getBorderCallout1Path(AutoShape shape, Rect rect)
{
    float y1 = rect.top + rect.height() * 0.1875f;
    float x1 = rect.left + rect.width() * (-0.08333f);
    float y2 = rect.top + rect.height() * 1.125f;
    float x2 = rect.left + rect.width() * (-0.38333f);
    Float[] values = shape.getAdjustData();
    if (values != null && values.length >= 4)
    {
        if (values[0] != null)
        {
            y1 = rect.top + rect.height() * values[0];
        }
        if (values[1] != null)
        {
            x1 = rect.left + rect.width() * values[1];
        }
        if (values[2] != null)
        {
            y2 = rect.top + rect.height() * values[2];
        }
        if (values[3] != null)
        {
            x2 = rect.left + rect.width() * values[3];
        }
    }


    path.addRect(rect.left, rect.top, rect.right, rect.bottom, Path.Direction.CW);

    path.moveTo(x1, y1);
    path.lineTo(x2, y2);

    return path;
}

/**
 * 线性标注1(带边框和强调线)
 * @param canvas
 * @param shape
 * @param rect
 */
private static Path getAccentBorderCallout1(AutoShape shape, Rect rect)
{
    float y1 = rect.top + rect.height() * 0.1875f;
    float x1 = rect.left + rect.width() * (-0.08333f);
    float y2 = rect.top + rect.height() * 1.125f;
    float x2 = rect.left + rect.width() * (-0.38333f);
    Float[] values = shape.getAdjustData();
    if (values != null && values.length >= 4)
    {
        if (values[0] != null)
        {
            y1 = rect.top + rect.height() * values[0];
        }
        if (values[1] != null)
        {
            x1 = rect.left + rect.width() * values[1];
        }
        if (values[2] != null)
        {
            y2 = rect.top + rect.height() * values[2];
        }
        if (values[3] != null)
        {
            x2 = rect.left + rect.width() * values[3];
        }
    }


    path.addRect(rect.left, rect.top, rect.right, rect.bottom, Path.Direction.CW);

    path.moveTo(x1, rect.top);
    path.lineTo(x1, rect.bottom);

    path.moveTo(x1, y1);
    path.lineTo(x2, y2);

    return path;
}