本文整理汇总了C#中CGBitmapContext.AddLineToPoint方法的典型用法代码示例。如果您正苦于以下问题：C# CGBitmapContext.AddLineToPoint方法的具体用法？C# CGBitmapContext.AddLineToPoint怎么用？C# CGBitmapContext.AddLineToPoint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CGBitmapContext的用法示例。
在下文中一共展示了CGBitmapContext.AddLineToPoint方法的4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C#代码示例。
示例1: GetCell
public override UITableViewCell GetCell (UITableView tv)
{
var cell = tv.DequeueReusableCell (ikey);
if (cell == null){
cell = new UITableViewCell (UITableViewCellStyle.Default, ikey);
}
if (scaled == null)
return cell;
Section psection = Parent as Section;
bool roundTop = psection.Elements [0] == this;
bool roundBottom = psection.Elements [psection.Elements.Count-1] == this;
using (var cs = CGColorSpace.CreateDeviceRGB ()){
using (var bit = new CGBitmapContext (IntPtr.Zero, dimx, dimy, 8, 0, cs, CGImageAlphaInfo.PremultipliedFirst)){
// Clipping path for the image, different on top, middle and bottom.
if (roundBottom){
bit.AddArc (rad, rad, rad, (float) Math.PI, (float) (3*Math.PI/2), false);
} else {
bit.MoveTo (0, rad);
bit.AddLineToPoint (0, 0);
}
bit.AddLineToPoint (dimx, 0);
bit.AddLineToPoint (dimx, dimy);
if (roundTop){
bit.AddArc (rad, dimy-rad, rad, (float) (Math.PI/2), (float) Math.PI, false);
bit.AddLineToPoint (0, rad);
} else {
bit.AddLineToPoint (0, dimy);
}
bit.Clip ();
bit.DrawImage (rect, scaled.CGImage);
cell.ImageView.Image = UIImage.FromImage (bit.ToImage ());
cell.TextLabel.Text = "image profile";
}
}
return cell;
}示例2: InitializeCell
public override void InitializeCell(UITableView tableView)
{
if (_Scaled != null)
{
bool roundTop = Section.Elements[0] == this;
bool roundBottom = Section.Elements[Section.Elements.Count - 1] == this;
using (var cs = CGColorSpace.CreateDeviceRGB())
{
using (var bit = new CGBitmapContext(IntPtr.Zero, dimx, dimy, 8, 0, cs, CGImageAlphaInfo.PremultipliedFirst))
{
// Clipping path for the image, different on top, middle and bottom.
if (roundBottom)
{
bit.AddArc(rad, rad, rad, (float)Math.PI, (float)(3 * Math.PI / 2), false);
}
else
{
bit.MoveTo(0, rad);
bit.AddLineToPoint(0, 0);
}
bit.AddLineToPoint(dimx, 0);
bit.AddLineToPoint(dimx, dimy);
if (roundTop)
{
bit.AddArc(rad, dimy - rad, rad, (float)(Math.PI / 2), (float)Math.PI, false);
bit.AddLineToPoint(0, rad);
}
else
{
bit.AddLineToPoint(0, dimy);
}
bit.Clip();
bit.DrawImage(rect, _Scaled.CGImage);
Cell.ImageView.Image = UIImage.FromImage(bit.ToImage());
}
}
}
}示例3: newImage
public static UIImage newImage(RectangleF rect,UIColor color)
{
using (var cs = CGColorSpace.CreateDeviceRGB ()){
using (var context = new CGBitmapContext (IntPtr.Zero, (int)rect.Width, (int)rect.Height, 8, (int)rect.Height*4, cs, CGImageAlphaInfo.PremultipliedLast)){
rect.X += 5;
rect.Y += 5;
rect.Width -= 10;
rect.Height -= 10;
color.SetColor ();
context.MoveTo (rect.X,rect.Y);
context.AddLineToPoint (rect.X,rect.Height);
context.AddLineToPoint (rect.Width,rect.Height);
context.AddLineToPoint (rect.Width,rect.Y);
context.ClosePath ();
context.FillPath ();
return UIImage.FromImage (context.ToImage());
}
}
}示例4: UpdateRouteView
public void UpdateRouteView()
{
using(var context = new CGBitmapContext(null, (int)_RouteView.Frame.Width, (int)_RouteView.Frame.Height, 8,
(int)(4 * _RouteView.Frame.Width), CGColorSpace.CreateDeviceRGB(), CGImageAlphaInfo.PremultipliedLast))
{
context.SetStrokeColor(LineColor.CGColor);
context.SetFillColor(0.0f, 0.0f, 1.0f, 1.0f);
context.SetLineWidth(3.0f);
for (int i = 0; i < _Routes.Count(); i++)
{
var route = _Routes[i];
var point = _MapView.ConvertCoordinate(route.Coordinate, _RouteView);
if(i == 0)
context.MoveTo(point.X, _RouteView.Frame.Height - point.Y);
else
context.AddLineToPoint(point.X, _RouteView.Frame.Height - point.Y);
}
context.StrokePath();
var cgImage = context.ToImage();
var image = UIImage.FromImage(cgImage);
_RouteView.Image = image;
}
}