public static void CopyPath(CGPath cgpath)
{
var pdfpath = Path.GetTempPath() + ".pdf";
var context = new CGContextPDF(NSUrl.FromFilename(pdfpath));
CGRect rc = new CGRect(0, 0, 500, 500);
context.BeginPage(rc);
using (var gc = NSGraphicsContext.FromGraphicsPort(context, false))
{
var ctx = gc.CGContext;
//ctx.SetStrokeColor(new CGColor(0, 0, 100));
//ctx.SetLineWidth(2);
//ctx.SetFillColor(new CGColor(100, 0, 0));
ctx.AddPath(cgpath);
ctx.DrawPath(CGPathDrawingMode.FillStroke);
}
context.EndPage();
context.Close();
var data = NSData.FromFile(pdfpath);
NSPasteboard.GeneralPasteboard.ClearContents();
NSPasteboard.GeneralPasteboard.SetDataForType(data, NSPasteboard.NSPdfType);
}
public GraphicsHandler(NSView view)
{
this.view = view;
graphicsContext = NSGraphicsContext.FromWindow(view.Window);
graphicsContext = graphicsContext.IsFlipped ? graphicsContext : NSGraphicsContext.FromGraphicsPort(graphicsContext.GraphicsPortHandle, true);
disposeContext = true;
Control = graphicsContext.GraphicsPort;
view.PostsFrameChangedNotifications = true;
AddObserver(NSView.FrameChangedNotification, FrameDidChange, view);
// if control is in a scrollview, we need to trap when it's scrolled as well
var parent = view.Superview;
while (parent != null)
{
var scroll = parent as NSScrollView;
if (scroll != null)
{
scroll.ContentView.PostsBoundsChangedNotifications = true;
AddObserver(NSView.BoundsChangedNotification, FrameDidChange, scroll.ContentView);
}
parent = parent.Superview;
}
SetDefaults();
InitializeContext(view.IsFlipped);
}
public void CreateFromImage(Bitmap image)
{
var handler = image.Handler as BitmapHandler;
SourceImage = image;
#if OSX
var rep = handler.Control.Representations().OfType <NSBitmapImageRep>().FirstOrDefault();
if (rep.BitsPerPixel != 32)
{
// CoreGraphics only supports drawing to 32bpp, create a new 32-bpp image and copy back when disposed or flushed.
DrawingImage = new Bitmap(image.Width, image.Height, PixelFormat.Format32bppRgb);
handler = DrawingImage.Handler as BitmapHandler;
rep = handler.Control.Representations().OfType <NSBitmapImageRep>().FirstOrDefault();
}
graphicsContext = NSGraphicsContext.FromBitmap(rep);
graphicsContext = graphicsContext.IsFlipped ? graphicsContext : NSGraphicsContext.FromGraphicsPort(graphicsContext.GraphicsPortHandle, true);
disposeContext = true;
Control = graphicsContext.GraphicsPort;
PointsPerPixel = (float)(rep.PixelsWide / handler.Control.Size.Width);
#elif IOS
var cgimage = handler.Control.CGImage;
Control = new CGBitmapContext(handler.Data.MutableBytes, cgimage.Width, cgimage.Height, cgimage.BitsPerComponent, cgimage.BytesPerRow, cgimage.ColorSpace, cgimage.BitmapInfo);
PointsPerPixel = (float)(cgimage.Width / handler.Control.Size.Width);
#endif
height = image.Size.Height;
SetDefaults();
InitializeContext(true);
if (DrawingImage != null && SourceImage != null)
{
// draw source image onto context, when source is incompatible for CoreGraphics drawing.
DrawImage(SourceImage, 0, 0);
}
}
public void DrawLayer(CALayer layer, CoreGraphics.CGContext context)
{
NSGraphicsContext.GlobalSaveGraphicsState();
NSGraphicsContext graphicsContext = NSGraphicsContext.FromGraphicsPort(context, true);
NSGraphicsContext.CurrentContext = graphicsContext;
NSBezierPath path = new NSBezierPath();
//ベジェ曲線
var x1 = this.Frame.Left;
var y1 = this.Frame.Top;
var x2 = this.Frame.Right;
var y2 = this.Frame.Bottom;
path.MoveTo(new CoreGraphics.CGPoint(x1, y1));
path.CurveTo(new CoreGraphics.CGPoint(x2, y1),
new CoreGraphics.CGPoint(x1, y2),
new CoreGraphics.CGPoint(x2, y2));
//背景は白
NSColor.White.Set();
path.Fill();
//線は青
NSColor.Blue.Set();
//線の太さ
path.LineWidth = 2;
path.Stroke();
NSGraphicsContext.GlobalRestoreGraphicsState();
}
Graphics(NSGraphicsContext context)
{
var gc = context;
if (gc.IsFlipped)
{
gc = NSGraphicsContext.FromGraphicsPort(gc.GraphicsPort, false);
}
screenScale = 1;
nativeObject = gc;
isFlipped = gc.IsFlipped;
InitializeContext(gc.GraphicsPort);
}
public void CreateFromImage(Bitmap image)
{
var handler = image.Handler as BitmapHandler;
#if OSX
var rep = handler.Control.Representations().OfType <NSBitmapImageRep>().FirstOrDefault();
graphicsContext = NSGraphicsContext.FromBitmap(rep);
graphicsContext = graphicsContext.IsFlipped ? graphicsContext : NSGraphicsContext.FromGraphicsPort(graphicsContext.GraphicsPortHandle, true);
disposeContext = true;
Control = graphicsContext.GraphicsPort;
scale = (float)(rep.PixelsWide / handler.Control.Size.Width);
#elif IOS
var cgimage = handler.Control.CGImage;
Control = new CGBitmapContext(handler.Data.MutableBytes, cgimage.Width, cgimage.Height, cgimage.BitsPerComponent, cgimage.BytesPerRow, cgimage.ColorSpace, cgimage.BitmapInfo);
scale = cgimage.Width / handler.Control.Size.Width;
#endif
height = image.Size.Height;
SetDefaults();
InitializeContext(true);
}
public void DrawText(string text)
{
Ensure();
var gc = NSGraphicsContext.FromGraphicsPort(context, false);
gc.SaveGraphicsState();
NSGraphicsContext.CurrentContext = gc;
var str = new NSAttributedString(text, foregroundColor: Color, font: Font);
var size = str.Size;
var box = Bounds;
switch (HAlign)
{
case NSTextAlignment.Right:
box.X += box.Width - size.Width;
break;
case NSTextAlignment.Center:
box.X += (box.Width - size.Width) / 2;
break;
}
switch (VAlign)
{
case NSTextAlignment.Left:
box.Y += box.Height - size.Height;
break;
case NSTextAlignment.Center:
box.Y += (box.Height - size.Height) / 2;
break;
}
str.DrawString(box.Location);
NSGraphicsContext.GlobalRestoreGraphicsState();
}
public GraphicsHandler(NSView view, NSGraphicsContext graphicsContext, float height, bool flipped)
{
DisplayView = view;
this.height = height;
this.graphicsContext = flipped != graphicsContext.IsFlipped ? graphicsContext : NSGraphicsContext.FromGraphicsPort(graphicsContext.GraphicsPortHandle, true);
Control = this.graphicsContext.GraphicsPort;
SetDefaults();
InitializeContext(!flipped);
}
