I am trying to Print the complete form but It print document is not covering full width. I have tried different ways, But didn't get the desired result.
I have taken help from this link
https://learn.microsoft.com/en-us/dotnet/framework/winforms/advanced/how-to-print-a-windows-form
This is the half print which I am getting
Here is the complete form which I want to print
Please tell me how I can get complete form printed.
Thanks in advance
I am not sure about the link you are following, I was getting same error even after trying multiple codes while I was trying to print whole form once. Then I found below code somewhere on internet, which prints whole form.
private System.IO.Stream streamToPrint;
string streamType;
PrintDocument printDoc = new PrintDocument();
[System.Runtime.InteropServices.DllImportAttribute("gdi32.dll")]
private static extern bool BitBlt
(
IntPtr hdcDest, // handle to destination DC
int nXDest, // x-coord of destination upper-left corner
int nYDest, // y-coord of destination upper-left corner
int nWidth, // width of destination rectangle
int nHeight, // height of destination rectangle
IntPtr hdcSrc, // handle to source DC
int nXSrc, // x-coordinate of source upper-left corner
int nYSrc, // y-coordinate of source upper-left corner
System.Int32 dwRop // raster operation code
);
private void printDoc_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e)
{
System.Drawing.Image image = System.Drawing.Image.FromStream(this.streamToPrint);
int x = e.MarginBounds.X;
int y = e.MarginBounds.Y;
int width = image.Width;
int height = image.Height;
if ((width / e.MarginBounds.Width) > (height / e.MarginBounds.Height))
{
width = e.MarginBounds.Width;
height = image.Height * e.MarginBounds.Width / image.Width;
}
else
{
height = e.MarginBounds.Height;
width = image.Width * e.MarginBounds.Height / image.Height;
}
System.Drawing.Rectangle destRect = new System.Drawing.Rectangle(x, y, width, height);
e.Graphics.DrawImage(image, destRect, 0, 0, image.Width, image.Height, System.Drawing.GraphicsUnit.Pixel);
}
private void btnPrintDoc_Click(object sender, EventArgs e)
{
Graphics g1 = this.CreateGraphics();
System.Drawing.Image MyImage = new Bitmap(this.ClientRectangle.Width, this.ClientRectangle.Height, g1);
Graphics g2 = Graphics.FromImage(MyImage);
IntPtr dc1 = g1.GetHdc();
IntPtr dc2 = g2.GetHdc();
BitBlt(dc2, 0, 0, this.ClientRectangle.Width, this.ClientRectangle.Height, dc1, 0, 0, 13369376);
g1.ReleaseHdc(dc1);
g2.ReleaseHdc(dc2);
MyImage.Save(#"D:\PrintPage.jpg", ImageFormat.Jpeg);
FileStream fileStream = new FileStream(#"D:\PrintPage.jpg", FileMode.Open, FileAccess.Read);
StartPrint(fileStream, "Image");
fileStream.Close();
}
public void StartPrint(Stream streamToPrint, string streamType)
{
this.printDoc.PrintPage += new PrintPageEventHandler(printDoc_PrintPage);
this.streamToPrint = streamToPrint;
this.streamType = streamType;
System.Windows.Forms.PrintDialog PrintDialog1 = new PrintDialog();
PrintDialog1.AllowSomePages = true;
PrintDialog1.ShowHelp = true;
PrintDialog1.Document = printDoc;
DialogResult result = PrintDialog1.ShowDialog();
if (result == DialogResult.OK)
{
printDoc.Print();
//docToPrint.Print();
}
}
If you want to fix size When Form starts you can try this, my friend. Or When you click the print button, some controls are added to your form you can only just call the SizeFix function end of your print button click event function instead of creating load event.
public Form1()
{
InitializeComponent();
this.Load += new EventHandler(SizeFix);
}
public void SizeFix(object o, EventArgs e)
{
int widthMax = this.Width;
foreach (var item in this.Controls)
{
int tempWitdh = (item as Control).Location.X + (item as Control).Width;
if (tempWitdh > widthMax)
{
widthMax = tempWitdh;
}
}
this.Width = widthMax; // You can add 10 width more
}
Related
Does anyone know how I can save my panel as pdf?
Now I have this code but this saves the whole form and I only need Panel1.
This code returns a pdf of the whole form but that is not necessary.
I checked already on the internet but couldn't find anything...
I also searched in the code to see if I could find something pointing to the form but I can't find anything there either.
Can someone help me save my panel and not my entire winform?
private System.IO.Stream streamToPrint;
string streamType;
[System.Runtime.InteropServices.DllImportAttribute("gdi32.dll")]
private static extern bool BitBlt
(
IntPtr hdcDest, // handle to destination DC
int nXDest, // x-coord of destination upper-left corner
int nYDest, // y-coord of destination upper-left corner
int nWidth, // width of destination rectangle
int nHeight, // height of destination rectangle
IntPtr hdcSrc, // handle to source DC
int nXSrc, // x-coordinate of source upper-left corner
int nYSrc, // y-coordinate of source upper-left corner
System.Int32 dwRop // raster operation code
);
private void printDocument1_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e)
{
System.Drawing.Image image = System.Drawing.Image.FromStream(this.streamToPrint);
int x = e.MarginBounds.X;
int y = e.MarginBounds.Y;
int width = image.Width;
int height = image.Height;
if ((width / e.MarginBounds.Width) > (height / e.MarginBounds.Height))
{
width = e.MarginBounds.Width;
height = image.Height * e.MarginBounds.Width / image.Width;
}
else
{
height = e.MarginBounds.Height;
width = image.Width * e.MarginBounds.Height / image.Height;
}
System.Drawing.Rectangle destRect = new System.Drawing.Rectangle(x, y, width, height);
e.Graphics.DrawImage(image, destRect, 0, 0, image.Width, image.Height, System.Drawing.GraphicsUnit.Pixel);
}
public void StartPrint(Stream streamToPrint, string streamType)
{
this.printDocument1.PrintPage += new PrintPageEventHandler(printDocument1_PrintPage);
this.streamToPrint = streamToPrint;
this.streamType = streamType;
System.Windows.Forms.PrintDialog PrintDialog1 = new PrintDialog();
PrintDialog1.AllowSomePages = true;
PrintDialog1.ShowHelp = true;
PrintDialog1.Document = printDocument1;
DialogResult result = PrintDialog1.ShowDialog();
if (result == DialogResult.OK)
{
printDocument1.Print();
}
}
private void btnSave_Click(object sender, EventArgs e)
{
String filename = System.IO.Path.GetTempFileName();
Graphics g1 = this.CreateGraphics();
Image MyImage = new Bitmap(this.ClientRectangle.Width, this.ClientRectangle.Height, g1);
Graphics g2 = Graphics.FromImage(MyImage);
IntPtr dc1 = g1.GetHdc();
IntPtr dc2 = g2.GetHdc();
BitBlt(dc2, 0, 0, this.ClientRectangle.Width, this.ClientRectangle.Height, dc1, 0, 0, 13369376);
g1.ReleaseHdc(dc1);
g2.ReleaseHdc(dc2);
MyImage.Save(filename, ImageFormat.Png);
FileStream fileStream = new FileStream(filename, FileMode.Open, FileAccess.Read);
StartPrint(fileStream, "Image");
fileStream.Close();
if (System.IO.File.Exists(filename))
{
System.IO.File.Delete(filename);
}
}
# Raf.
For printing panel as pdf, you can refer to the following code.
public partial class Form1 : Form
{
Bitmap MemoryImage;
private PrintDocument printDocument1 = new PrintDocument();
private PrintPreviewDialog previewdlg = new PrintPreviewDialog();
public Form1()
{
InitializeComponent();
printDocument1.PrintPage += new PrintPageEventHandler(printdoc1_PrintPage);
}
public void GetPrintArea(Panel pnl)
{
MemoryImage = new Bitmap(pnl.Width, pnl.Height);
pnl.DrawToBitmap(MemoryImage, new Rectangle(0, 0, pnl.Width, pnl.Height));
}
protected override void OnPaint(PaintEventArgs e)
{
if (MemoryImage != null)
{
e.Graphics.DrawImage(MemoryImage, 0, 0);
base.OnPaint(e);
}
}
void printdoc1_PrintPage(object sender, PrintPageEventArgs e)
{
Rectangle pagearea = e.PageBounds;
e.Graphics.DrawImage(MemoryImage, (pagearea.Width / 2) - (this.panel1.Width / 2), this.panel1.Location.Y);
}
public void Print(Panel pnl)
{
Panel pannel = pnl;
GetPrintArea(pnl);
previewdlg.Document = printDocument1;
previewdlg.ShowDialog();
}
private void button1_Click_1(object sender, EventArgs e)
{
Print(this.panel1);
}
}
The result is shown in the picture:
I Have windows form but i want to print panel in windows form to hidden print button and it's my code :
private void printDoc_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e)
{
System.Drawing.Image image = System.Drawing.Image.FromStream(this.streamToPrint);
int x = e.MarginBounds.X;
int y = e.MarginBounds.Y;
int width = image.Width;
int height = image.Height;
if ((width / e.MarginBounds.Width) > (height / e.MarginBounds.Height))
{
width = e.MarginBounds.Width;
height = image.Height * e.MarginBounds.Width / image.Width;
}
else
{
height = e.MarginBounds.Height;
width = image.Width * e.MarginBounds.Height / image.Height;
}
System.Drawing.Rectangle destRect = new System.Drawing.Rectangle(x, y, width, height);
e.Graphics.DrawImage(image, destRect, 0, 0, image.Width, image.Height, System.Drawing.GraphicsUnit.Pixel);
}
public void StartPrint(Stream streamToPrint, string streamType)
{
this.printDoc.PrintPage += new PrintPageEventHandler(printDoc_PrintPage);
this.streamToPrint = streamToPrint;
this.streamType = streamType;
System.Windows.Forms.PrintDialog PrintDialog1 = new PrintDialog();
PrintDialog1.AllowSomePages = true;
PrintDialog1.ShowHelp = true;
PrintDialog1.Document = printDoc;
DialogResult result = PrintDialog1.ShowDialog();
if (result == DialogResult.OK)
{
printDoc.Print();
//docToPrint.Print();
}
}
private void button_Print_Certificate_Click(object sender, EventArgs e)
{
Graphics g1 = this.CreateGraphics();
Image MyImage = new Bitmap(this.ClientRectangle.Width, this.ClientRectangle.Height, g1);
Graphics g2 = Graphics.FromImage(MyImage);
IntPtr dc1 = g1.GetHdc();
IntPtr dc2 = g2.GetHdc();
BitBlt(dc2, 0, 0, this.ClientRectangle.Width, this.ClientRectangle.Height, dc1, 0, 0, 13369376);
g1.ReleaseHdc(dc1);
g2.ReleaseHdc(dc2);
MyImage.Save(#"D:\PrintPage.jpg", ImageFormat.Jpeg);
FileStream fileStream = new FileStream(#"D:\PrintPage.jpg", FileMode.Open, FileAccess.Read);
StartPrint(fileStream, "Image");
fileStream.Close();
if (System.IO.File.Exists(#"D:\PrintPage.jpg"))
{
System.IO.File.Delete(#"D:\PrintPage.jpg");
}
}
In order to print a particular control, you'll want to use that control as the source of your BitBlt operation.
So instead of this.CreateGraphics(), call panel.CreateGraphics(). Similarly, use panel.ClientRectangle to get the width and height of the image.
But take a look at https://stackoverflow.com/a/597088/103167 which gives you an easier way.
I have a problem with a GDI+ metafile. I want to save a metafile by graphic. It works well when the point count is 10000 and the saved metafile can be opened. But when the point count is large (e.g. count = 10000000), the metafile cannot be opened by mspaint.exe.
Is there anything I missed? Is metafile record size limited? By the way, drawrectangles also has this issue.
Here is my code:
private void button1_Click(object sender, EventArgs e)
{
int width = 1489;
int height = 471;
Graphics offScreenBufferGraphics;
Metafile m;
using (MemoryStream stream = new MemoryStream())
{
using (offScreenBufferGraphics = Graphics.FromHwndInternal(IntPtr.Zero))
{
IntPtr deviceContextHandle = offScreenBufferGraphics.GetHdc();
m = new Metafile(
stream,
deviceContextHandle,
new RectangleF(0, 0, width, height),
MetafileFrameUnit.Pixel,
EmfType.EmfPlusOnly);
offScreenBufferGraphics.ReleaseHdc();
}
}
using (Graphics g = Graphics.FromImage(m))
{
// Set everything to high quality
g.SmoothingMode = SmoothingMode.HighQuality;
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.PixelOffsetMode = PixelOffsetMode.HighQuality;
g.CompositingQuality = CompositingQuality.HighQuality;
MetafileHeader metafileHeader = m.GetMetafileHeader();
g.ScaleTransform(
metafileHeader.DpiX / g.DpiX,
metafileHeader.DpiY / g.DpiY);
g.PageUnit = GraphicsUnit.Pixel;
g.SetClip(new RectangleF(0, 0, width, height));
// clears the image and colors the entire background
g.Clear(Color.White);
// draw lines
using (Pen pen = new Pen(Color.Black, 1f))
{
Random rnd = new Random(DateTime.Now.Millisecond);
List<PointF> polyPoints = new List<PointF>();
const int count = 10000;
for (int i = 1; i <= 10000000; i++)
{
polyPoints.Add(new PointF(rnd.Next(1000),rnd.Next(1000)));
}
g.DrawLines(pen, polyPoints.ToArray());
// while
} // using
} // using
// Get a handle to the metafile
IntPtr iptrMetafileHandle = m.GetHenhmetafile();
// Export metafile to an image file
CopyEnhMetaFile(iptrMetafileHandle, #"F:\CacheToDisk\test2.emf");
// Delete the metafile from memory
DeleteEnhMetaFile(iptrMetafileHandle);
}
[DllImport("gdi32.dll")]
static extern IntPtr CopyEnhMetaFile( // Copy EMF to file
IntPtr hemfSrc, // Handle to EMF
String lpszFile // File
);
[DllImport("gdi32.dll")]
static extern int DeleteEnhMetaFile( // Delete EMF
IntPtr hemf // Handle to EMF
);
It seems like the limitation. If I use DrawPath instead of DrawLines, it works correctly.
I have created a method which move the PictureBox when I Drag and Drop. But when I'm dragging the PictureBox, the image has the real size of image and I wanna that the image has the size of PictureBox
private void pictureBox1_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
picBox = (PictureBox)sender;
var dragImage = (Bitmap)picBox.Image;
IntPtr icon = dragImage.GetHicon();
Cursor.Current = new Cursor(icon);
DoDragDrop(pictureBox1.Image, DragDropEffects.Copy);
DestroyIcon(icon);
}
}
protected override void OnGiveFeedback(GiveFeedbackEventArgs e)
{
e.UseDefaultCursors = false;
}
protected override void OnDragEnter(DragEventArgs e)
{
if (e.Data.GetDataPresent(typeof(Bitmap))) e.Effect = DragDropEffects.Copy;
}
protected override void OnDragDrop(DragEventArgs e)
{
picBox.Location = this.PointToClient(new Point(e.X - picBox.Width / 2, e.Y - picBox.Height / 2));
}
[System.Runtime.InteropServices.DllImport("user32.dll")]
extern static bool DestroyIcon(IntPtr handle);
Use
var dragImage = new Bitmap((Bitmap)picBox.Image, picBox.Size);
instead of
var dragImage = (Bitmap)picBox.Image;
(and maybe call Dispose on the temporary image later, but the GC will deal with it if you don't)
This is because the image in your picture box is the full size image. The picture box just scales it for display purposes but the Image property has the original-sized image.
So, in your MouseDown event handler you want to resize the image before using it.
Rather than:
var dragImage = (Bitmap)picBox.Image;
Try:
var dragImage = ResizeImage(picBox.Image, new Size(picBox.Width, PicBox.Height));
Use something like this method to resize the image for you:
public static Image ResizeImage(Image image, Size size,
bool preserveAspectRatio = true)
{
int newWidth;
int newHeight;
if (preserveAspectRatio)
{
int originalWidth = image.Width;
int originalHeight = image.Height;
float percentWidth = (float)size.Width / (float)originalWidth;
float percentHeight = (float)size.Height / (float)originalHeight;
float percent = percentHeight < percentWidth ? percentHeight : percentWidth;
newWidth = (int)(originalWidth * percent);
newHeight = (int)(originalHeight * percent);
}
else
{
newWidth = size.Width;
newHeight = size.Height;
}
Image newImage = new Bitmap(newWidth, newHeight);
using (Graphics graphicsHandle = Graphics.FromImage(newImage))
{
graphicsHandle.InterpolationMode = InterpolationMode.HighQualityBicubic;
graphicsHandle.DrawImage(image, 0, 0, newWidth, newHeight);
}
return newImage;
}
*Image resize code from here: http://www.codeproject.com/Articles/191424/Resizing-an-Image-On-The-Fly-using-NET
If i change the colour of the image and then try to resize, it only resizes the original image. Why is this happening and how do i fix it?
Here is my code:
private PrintDocument printDoc = new PrintDocument();
private PageSettings pgSettings = new PageSettings();
private PrinterSettings prtSettings = new PrinterSettings();
Bitmap myBitmapImage; // image (bitmap) for some background mountains
Boolean isInvert = false;
Boolean isLOaded = false;
Boolean isGrayscale = false;
Boolean isThreshold = false;
Boolean isResize = false;
OpenFileDialog ofd;
Bitmap bmBack;
public EditImage()
{
printDoc.PrintPage += new PrintPageEventHandler(printDoc_PrintPage);
InitializeComponent();
this.SetStyle(ControlStyles.AllPaintingInWmPaint | ControlStyles.UserPaint | ControlStyles.DoubleBuffer, true);
}
private void EditImage_Load(object sender, EventArgs e)
{
}
private void EditImage_Paint(object sender, PaintEventArgs e)
{
if (isLOaded == true)
{
Graphics gWindow; // reference to the graphic surface of this window
Graphics gBack; // reference to in-memory surface
bmBack = new Bitmap(Width, Height); // bitmap for window surface copy
gWindow = e.Graphics; // get our current window's surface
gBack = Graphics.FromImage(bmBack); // create surfaces from the bitmaps
gBack.DrawImage(myBitmapImage, 0, 0, Width, Height);
if (isInvert == true)
{
InvertBitmap(bmBack);
}
else if (isGrayscale == true)
{
GrayscaleBitmap(bmBack);
}
else if (isThreshold == true)
{
ThresholdBitmap(bmBack);
}
else if (isResize == true)
{
bmBack = resizeImage(bmBack, 10, 100);
}
gWindow.DrawImage(bmBack, 0, 0);
}
}
private void toolStripMenuItemLoadImage_Click(object sender, EventArgs e)
{
using (ofd = new OpenFileDialog())
{
ofd.Title = "Load Image";
if (ofd.ShowDialog() == DialogResult.OK)
{
myBitmapImage = new Bitmap(ofd.FileName);
this.Invalidate();
}
}
isLOaded = true;
}
private void GrayscaleBitmap(Bitmap bmp)
{
Rectangle rect = new Rectangle(0, 0, bmp.Width, bmp.Height);
System.Drawing.Imaging.BitmapData bmpData = bmp.LockBits(rect, System.Drawing.Imaging.ImageLockMode.ReadWrite,
System.Drawing.Imaging.PixelFormat.Format32bppRgb);
IntPtr ptr = bmpData.Scan0;
int numPixels = bmpData.Width * bmp.Height;
int numBytes = numPixels * 4;
byte[] rgbValues = new byte[numBytes];
System.Runtime.InteropServices.Marshal.Copy(ptr, rgbValues, 0, numBytes);
for (int i = 0; i < rgbValues.Length; i += 4)
{
byte gray = (byte)(.3 * rgbValues[i + 0]); //blue
gray += (byte)(.59 * rgbValues[i + 1]); //green
gray += (byte)(.11 * rgbValues[i + 2]); //red
rgbValues[i + 0] = gray; //blue
rgbValues[i + 1] = gray; //green
rgbValues[i + 2] = gray; //red
}
System.Runtime.InteropServices.Marshal.Copy(rgbValues, 0, ptr, numBytes);
bmp.UnlockBits(bmpData);
}
private Bitmap resizeImage(Bitmap sourceBMP, int width, int height)
{
Bitmap result = new Bitmap(width, height);
using(Graphics g = Graphics.FromImage(result))
g.DrawImage(sourceBMP, 0, 0, width, height);
return result;
}
i also have methods which deal with when the user clicks on a button and sets the bools to appropriate values so that it calls the correct method. The images DO change colour - as intended.. but when i click on resize, i want it to resize the version of the image that has changed colour - not the original image...
There are lots of things wrong here:
resizeImage()
You should dispose of the Graphics object that you create here (wrap it in a using() statement)
Don't call invalidate from here, this function just resizes your image, you invalidate after you've changed your image and your Paint method paints the image which has now changed.
You should also think about disposing of the sourceBMP right before you return the function if you no longer have any use for it.
GrayscaleBitmap()
This looks right, but again there's no reason to invalidate here. You should invalidate after you call this method in the calling function. It makes more sense.
EditImage_Paint
You should not be calling these functions from within your Paint event. And you should not be creating a new Bitmap and a new Graphics class on each Paint. This is way more work than necessary. These functions should only execute when the data needs to be changed based on user input (user clicks a button to apply a grayscale effect).
For what you want to do, you should only need 2 bitmap variables at most. One to store the original unmodified bitmap in case you want to let the user "Reset" it or to undo any effects (most effects cause permanent data loss, you can't make a grayscale image color again). And the other to store the bitmap that gets painted. Each time the user applies an effect, it modifies the 2nd bitmap, and then calls invalidate.
All your Paint function should do is paint the 2nd bitmap:
Bitmap originalBitmap; // load from file, do not modify
Bitmap currentBitmap; // when user clicks an effect, modify this bitmap and then Invalidate afterward
private void EditImage_Paint(object sender, PaintEventArgs e)
{
e.Graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
// Draw the currentBitmap centered on the window
SizeF clientSize = this.ClientSize;
double zoomRatio = Math.Min(
clientSize.Width / currentBitmap.Width,
clientSize.Height / currentBitmap.Height
);
SizeF zoomedSize = new SizeF(
(float)(currentBitmap.Width * zoomRatio),
(float)(currentBitmap.Height * zoomRatio)
);
PointF imageOffset = new PointF(
(clientSize.Width - zoomedSize.Width) / 2,
(clientSize.Height - zoomedSize.Height) / 2
);
e.Graphics.Clear(Color.White);
e.Graphics.DrawImage(currentBitmap, imageOffset.X, imageOffset.Y, zoomedSize.Width, zoomedSize.Height);
}
This emulates a simple zoom effect that centers the image on the control and draws it to fit the window.