ColumnChartRenderer.java 文件源码

public void drawTargetCaloryLine(Canvas drawCanvas) {
    if (this.targetCalory > 0) {
        float currentLeft = 0.0f;
        float currentRight = 0.0f;
        int target = this.targetCalory;
        Viewport currentViewport = this.computator.getCurrentViewport();
        if (currentViewport != null) {
            currentLeft = currentViewport.left;
            currentRight = currentViewport.right;
        }
        float rawX1 = this.computator.computeRawX(currentLeft);
        float rawX2 = this.computator.computeRawX(currentRight);
        float y = this.computator.computeRawY((float) target);
        Path path1 = new Path();
        path1.moveTo(rawX1, y);
        path1.lineTo(rawX2, y);
        drawCanvas.drawPath(path1, this.caloryLinePaint);
    }
}