Hi, I have been currently developing a Pain app using WriteableBitmap + http://writeablebitmapex.codeplex.com/ (Extended WriteableBitmap) in VisualStudio 2010 using WPF.
In the first day i encountered the first obstacle;
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It seems that the event OnMouseMove isn't called as frequently as it is needed.
Here's my code ( I know that there just a few lines of codes :D i've just started my Project )
namespace Bitmap___Paint_Application {publicpartialclass MainWindow : Window {static WriteableBitmap wbitmap;public MainWindow() { InitializeComponent(); bitmap(); }void bitmap() { wbitmap = new WriteableBitmap(900, 500, 96, 96, PixelFormats.Bgr32, null); myCanvas.Source = wbitmap; myCanvas.Stretch = Stretch.None; wbitmap.FillRectangle(0, 0, 900, 500, Colors.White); }privatevoid myCanvas_MouseMove(object sender, MouseEventArgs e) { Point position = e.GetPosition(myCanvas); wbitmap.SetPixel((int)position.X, (int)position.Y, Colors.Black); } } }
One more thing, i can handle drawing lines, i am just having problems with freehand draw - the "spaces" that appear while drawing.
