How to print text to a bitmap

[kes103]

I'm looking for the method(s) and example(s) for printing text to a bitmap.
Thanks in advance!

 

[LastCyborg]

I think that the easiest way to do that is by using the canvas.

I don't rembember the exactly order of the properties, but is something like this

Image1->Picture->Bitmap->Canvas->TextOut(x_Pos, y_Pos, "Any text");

--- LastCyborg ---

 

[kes103]

Thank you for your reply, LastCyborg.
I tried your suggestion, but I get an error message that Image1 is not defined. If I use

Canvas->TextOut(x_Pos, y_Pos, "Any text");

it prints to the current form.
I suppose that what I really want to do is to print to a new form. How do I use an onClick event in one form to print to another form?

 

[LastCyborg]

So, I guess you want to access another form from the main form. It is very simple just on an event handler of the main form make a reference to the other form, lie this

OnClick (Params)
{
Form2-> Canvas->TextOut(x_Pos, y_Pos, "Any text");
}

just remember to include "Unit2.h" in the header section


--- LastCyborg ---

 

[kes103]

Well, yes, that works for now, but I think I would much rather use a bitmap as sort of a print preview type thing. I'm still a little confused on how that is done though.
If someone could help me with I would be pleased.

 

[kes103]

Also, when I print or draw to the new form or to a bitmap and then use the scroll bar or resize the form the graphics disappear. How can I prevent this from happening?

 

[butthead]

you put a TImage object on the form
load the TImage with a bitmap or
use the raw TImage object's canvas

I am doing a print class for my printing and
I was thinking of using a TImage canvas as
a sort of print preview also. although now that
I think about it I could just use the forms canvas.

what ever you textout too, it must be a canvas object
so why not keep it simple and go to the form's canvas
and not clutter up the issue.

I think thats what I'll do.

thanks
tomcruz.net

 

[kes103]

The main problem is that when I either grab the form and shrink it or use the scroll bars to scroll past the text and image, it is all erased. The same thing happens if I click the minimize button. I don't want the user to be able to erase everything that easily. If I use TRichEdit Text I have a problem error "control does not have a parent" when I try to line-> text to the form. On the mainform the only problem with TRichEdit is that the user can write over or delete the text.