TeeChart曲线的X轴是时间,但是频率很高.没法完全显示. 例如,一秒钟有2000个点,那么点与点的间隔为0.5毫秒. 使用TChart类的GetAxisLabel事件, 函数手册上对此事件的解释: An Event is triggered for each Axis Label painted. There are two different uses for GetAxisLabel: 1) : Axis Labels are Values. Is this case, the Ser…
ImageView.ScaleType 将图片边界缩放到所在view边界时的缩放选项. Options for scaling the bounds of an image to the bounds of this view. 不同选项含义 CENTER 居中,不缩放. Center the image in the view, but perform no scaling. CENTER_CROP 居中,如果图片宽或高比view小,就等比放大使得宽和高都大于等于view,计算时view大小减…
C#图片按比例缩放: // 按比例缩放图片 public Image ZoomPicture(Image SourceImage, int TargetWidth, int TargetHeight) { int IntWidth; //新的图片宽 int IntHeight; //新的图片高 try { System.Drawing.Imaging.ImageFormat format = SourceImage.RawFormat; System.Drawing.Bitmap SaveIma…
<script> var phoneWidth = parseInt(window.screen.width); var phoneHeight = parseInt(window.screen.height); var phoneScale = phoneWidth/750; //除以的值按手机的物理分辨率 var ua = navigator.userAgent; if (/Android (\d+\.\d+)/.test(ua)) { var version = parseFloat(R…