How to print a text in tiff file using windows methods in C#

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Hi,

I am having a requirement to print some text in a tiff file , so need help to find if windows has any feature to do such kind of thing. I am already using some third party lib to do the same but i want to see if we can do the same using windows in c# as i will be printing the same text every-time in all the tiffs. It will be very much helpful if anyone can help on this.

Thanks in Advance

What I have tried:

Used third party lib Lead tools which is working but checking for any windows methods as the requirement is just a basic thing to write some common text in the tiff file

Posted 29-Jan-19 21:12pm

Rocky_Bas

Updated 29-Jan-19 21:25pm

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OriginalGriff · Answer 1 · 2019-01-29T21:26:00

Solution 1

TIFF is a graphics file format, so you need to load it, get a context, draw on it, and save the result:

using (Image i = new Bitmap(@"D:\Test data\MyPic.Tif"))
    {
    using (Graphics g = Graphics.FromImage(i))
        {
        g.DrawString("Test Text", Font, Brushes.Cyan, 100, 100);
        }
    i.Save(@"D:\Test data\MyPic.Edit.tif", ImageFormat.Tiff);
    }

Posted 29-Jan-19 21:26pm

OriginalGriff

Comments

Rocky_Bas 7-Feb-19 3:15am

Bitmap is a bit slow is there any other to do the same

Rocky_Bas 18-Feb-19 1:11am

This is working but i have some concern here if the text is too long then the text at the end is cutting off. Is there any way if the text doesn't fit in the line then that should be printed in the next line.

OriginalGriff 18-Feb-19 2:51am

Check the DrawString overloads - there is a version which specifies a Rectangle instead of a point.

Rocky_Bas 18-Feb-19 3:38am

I don't want to have Rectangle

OriginalGriff 18-Feb-19 3:53am

If you don't have a Rectangle, than you don't know where the string must end and get restarted on a new line - so even if you "brew it yourself" using MeasureString (which is pretty complicated unless you have a non-proportional font and don't care about breaks in the middle of words) you need to have that information!

Rocky_Bas 18-Feb-19 4:45am

I have used the below code but still it is trimming the last content as it is not fitting

RectangleF rec = new RectangleF();
rec.X = 85;
rec.Y = 400;

g.DrawRectangles(Pens.White, new RectangleF[] { rec });
g.DrawString(string.Format("File Name: {0}", fileName), new Font("Arial", 50, FontStyle.Bold), Brushes.Red, rec,
new StringFormat(StringFormatFlags.LineLimit | StringFormatFlags.NoWrap, 1003) { Trimming = StringTrimming.None });

OriginalGriff 18-Feb-19 4:59am

You haven't defined a Rectangle - just given it an (X, Y) top-left-corner location. A rectangle needs either two (X, Y) coordinates, or an (X, Y) and a width-height pair / Size!

Rocky_Bas 18-Feb-19 5:03am

No i have used that rec in the below line just check, or am i missing anything else

g.DrawRectangles(Pens.White, new RectangleF[] { rec });
g.DrawString(string.Format("File Name: {0}", fileName), new Font("Arial", 50, FontStyle.Bold), Brushes.Red, rec,
new StringFormat(StringFormatFlags.LineLimit | StringFormatFlags.NoWrap, 1003) { Trimming = StringTrimming.None });

OriginalGriff 18-Feb-19 5:17am

Look at the defintion of your rect: how much information do you actually put in it?

Rocky_Bas 18-Feb-19 5:30am

Sorry i didn't get u

OriginalGriff 18-Feb-19 6:05am

RectangleF rec = new RectangleF();
rec.X = 85;
rec.Y = 400;

Where is the width set? The height?

Rocky_Bas 18-Feb-19 7:31am

even after setting the width & height i am getting the same issue.

OriginalGriff 18-Feb-19 7:41am

Works fine for me:

            using (Image i = new Bitmap(@"D:\Test data\MyPic.Tif"))
                {
                using (Graphics g = Graphics.FromImage(i))
                    {
                    using (Font font = new System.Drawing.Font("Verdana", 20.0f))
                        {
                        RectangleF rect = new RectangleF(10.0f, 10.0f, 100.0f, 50.0f);
                        g.DrawString("This is Test Text which should be wrapped.", font, Brushes.Black, rect, StringFormat.GenericDefault);
                        }
                    }
                i.Save(@"D:\Test data\MyPic.Edit.tif", ImageFormat.Tiff);
                }

Rocky_Bas 18-Feb-19 7:59am

it works but i mean to say if the text i am adding is too long then the text is cutting of at the corner of the line, instead i am expecting it to come in the next line

OriginalGriff 18-Feb-19 9:36am

So why are you specifying that it shouldn't wrap?

new StringFormat(StringFormatFlags.LineLimit | StringFormatFlags.NoWrap, 1003)

What did you think NoWrap was there for?