Hi!
I've been trying to draw in a PictureBox and save the resulting image
to a Bitmap object that I save to a file on disk. Unfortunately, I
can't seem to get the elements that I'm drawing to appear in the file.
To make sure that I'm getting something that actually is from the
PictureBox, I set the background color of the PictureBox and that's
all that appears in the file (I use Windows Preview).
Below is the code extract that I used for the program: -
pictureBox1.BackColor = Color.AntiqueWhite;
-
-
Graphics gfx = pictureBox1.CreateGraphics();
-
gfx.SmoothingMode =
-
System.Drawing.Drawing2D.SmoothingMode.HighQuality;
-
Pen pn = Pens.Black;
-
Pen pnAlt = Pens.Blue;
-
gfx.DrawLine(pn, 0, 0, 80, 80);
-
gfx.DrawPie(pn, 80, 80, 100, 100, 0, 14);
-
gfx.DrawPie(pnAlt, 80, 80, 100, 100, 15, 14);
-
gfx.Flush();
-
gfx.Dispose();
-
-
Bitmap bmp = new Bitmap(pictureBox1.Width,
-
pictureBox1.Height);
-
pictureBox1.DrawToBitmap(bmp, new Rectangle(0, 0,
-
pictureBox1.Width, pictureBox1.Height));
-
bmp.Save("img1.jpg",
-
System.Drawing.Imaging.ImageFormat.Jpeg);
-
break;
-
The PictureBox is on a form and is visible with the drawing when I
execute the code.
I'd appreciate any help with finding the bug.
-NiTiN 1 2208
Why are you drawing in a picture box? WHy can't you just draw it on the
form? In fact, you don't have to draw it visibly anywhere; you can create a
bitmap in memory and draw on it, and then save it somewhere.
RobinS.
GoldMail, Inc.
-----------------------------
"Nitin" <k.*******@gmai l.comwrote in message
news:29******** *************** ***********@i12 g2000prf.google groups.com...
Hi!
I've been trying to draw in a PictureBox and save the resulting image
to a Bitmap object that I save to a file on disk. Unfortunately, I
can't seem to get the elements that I'm drawing to appear in the file.
To make sure that I'm getting something that actually is from the
PictureBox, I set the background color of the PictureBox and that's
all that appears in the file (I use Windows Preview).
Below is the code extract that I used for the program:
-
pictureBox1.BackColor = Color.AntiqueWhite;
-
Graphics gfx = pictureBox1.CreateGraphics();
-
gfx.SmoothingMode =
-
System.Drawing.Drawing2D.SmoothingMode.HighQuality;
-
Pen pn = Pens.Black;
-
Pen pnAlt = Pens.Blue;
-
gfx.DrawLine(pn, 0, 0, 80, 80);
-
gfx.DrawPie(pn, 80, 80, 100, 100, 0, 14);
-
gfx.DrawPie(pnAlt, 80, 80, 100, 100, 15, 14);
-
gfx.Flush();
-
gfx.Dispose();
-
Bitmap bmp = new Bitmap(pictureBox1.Width,
-
pictureBox1.Height);
-
pictureBox1.DrawToBitmap(bmp, new Rectangle(0, 0,
-
pictureBox1.Width, pictureBox1.Height));
-
bmp.Save("img1.jpg",
-
System.Drawing.Imaging.ImageFormat.Jpeg);
-
break;
-
The PictureBox is on a form and is visible with the drawing when I
execute the code.
I'd appreciate any help with finding the bug.
-NiTiN
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