public static NSImageRep Resize(this NSImageRep image, CGSize newsize, ImageInterpolation interpolation = ImageInterpolation.Default, CGSize? imageSize = null) { var newrep = new NSBitmapImageRep(IntPtr.Zero, (nint)newsize.Width, (nint)newsize.Height, 8, 4, true, false, NSColorSpace.DeviceRGB, 4 * (nint)newsize.Width, 32); newrep.Size = imageSize ?? newsize; var graphics = NSGraphicsContext.FromBitmap(newrep); NSGraphicsContext.GlobalSaveGraphicsState(); NSGraphicsContext.CurrentContext = graphics; graphics.GraphicsPort.InterpolationQuality = interpolation.ToCG(); image.DrawInRect(new CGRect(CGPoint.Empty, newrep.Size), CGRect.Empty, NSCompositingOperation.SourceOver, 1f, true, DrawHints); NSGraphicsContext.GlobalRestoreGraphicsState(); return newrep; }
public static NSImage Resize(this NSImage image, sd.Size newsize, ImageInterpolation interpolation = ImageInterpolation.Default) { var newimage = new NSImage(newsize); var newrep = new NSBitmapImageRep(IntPtr.Zero, newsize.Width, newsize.Height, 8, 4, true, false, NSColorSpace.DeviceRGB, 4 * newsize.Width, 32); newimage.AddRepresentation(newrep); var graphics = NSGraphicsContext.FromBitmap(newrep); NSGraphicsContext.GlobalSaveGraphicsState(); NSGraphicsContext.CurrentContext = graphics; graphics.GraphicsPort.InterpolationQuality = interpolation.ToCG(); image.DrawInRect(new sd.RectangleF(sd.PointF.Empty, newimage.Size), new sd.RectangleF(sd.PointF.Empty, image.Size), NSCompositingOperation.SourceOver, 1f); NSGraphicsContext.GlobalRestoreGraphicsState(); return newimage; }
public static NSImageRep Resize(this NSImageRep image, CGSize newsize, ImageInterpolation interpolation = ImageInterpolation.Default, CGSize?imageSize = null) { var newrep = new NSBitmapImageRep(IntPtr.Zero, (nint)newsize.Width, (nint)newsize.Height, 8, 4, true, false, NSColorSpace.DeviceRGB, 4 * (nint)newsize.Width, 32); newrep.Size = imageSize ?? newsize; var graphics = NSGraphicsContext.FromBitmap(newrep); NSGraphicsContext.GlobalSaveGraphicsState(); NSGraphicsContext.CurrentContext = graphics; graphics.GraphicsPort.InterpolationQuality = interpolation.ToCG(); image.DrawInRect(new CGRect(CGPoint.Empty, newrep.Size), CGRect.Empty, NSCompositingOperation.SourceOver, 1f, true, DrawHints); NSGraphicsContext.GlobalRestoreGraphicsState(); return(newrep); }
public static NSImage Resize(this NSImage image, sd.Size newsize, ImageInterpolation interpolation = ImageInterpolation.Default) { var newimage = new NSImage(newsize); var newrep = new NSBitmapImageRep(IntPtr.Zero, newsize.Width, newsize.Height, 8, 4, true, false, NSColorSpace.DeviceRGB, 4 * newsize.Width, 32); newimage.AddRepresentation(newrep); var graphics = NSGraphicsContext.FromBitmap(newrep); NSGraphicsContext.GlobalSaveGraphicsState(); NSGraphicsContext.CurrentContext = graphics; graphics.GraphicsPort.InterpolationQuality = interpolation.ToCG(); image.DrawInRect(new sd.RectangleF(sd.PointF.Empty, newimage.Size), new sd.RectangleF(sd.PointF.Empty, image.Size), NSCompositingOperation.SourceOver, 1f); NSGraphicsContext.GlobalRestoreGraphicsState(); return(newimage); }
public static NSImageRep Resize(this NSImageRep image, CGSize newsize, ImageInterpolation interpolation = ImageInterpolation.Default, CGSize?imageSize = null) { var newrep = new NSBitmapImageRep(IntPtr.Zero, (nint)newsize.Width, (nint)newsize.Height, 8, 4, true, false, NSColorSpace.DeviceRGB, 4 * (nint)newsize.Width, 32); newrep.Size = imageSize ?? newsize; var graphics = NSGraphicsContext.FromBitmap(newrep); NSGraphicsContext.GlobalSaveGraphicsState(); NSGraphicsContext.CurrentContext = graphics; graphics.GraphicsPort.InterpolationQuality = interpolation.ToCG(); #if XAMMAC // Xamarin.Mac doesn't allow null for hints, remove this when it does. Messaging.bool_objc_msgSend_CGRect_CGRect_UIntPtr_nfloat_bool_IntPtr(image.Handle, selDrawInRect_FromRect_Operation_Fraction_RespectFlipped_Hints_Handle, new CGRect(CGPoint.Empty, newrep.Size), CGRect.Empty, (UIntPtr)(ulong)NSCompositingOperation.SourceOver, 1f, true, IntPtr.Zero); #else image.DrawInRect(new CGRect(CGPoint.Empty, newrep.Size), CGRect.Empty, NSCompositingOperation.SourceOver, 1f, true, null); #endif NSGraphicsContext.GlobalRestoreGraphicsState(); return(newrep); }