Here's a function I wrote to basically do what CopyfitLine does, using
the <magnify> tag and a more efficient algorithm:
function CopyfitLineWithMagnifyTag(line, widthInPoints, AllowToExpand)
{
var tm = new FusionProTextMeasure;
tm.CalculateTextExtent(line);
if (tm.messages)
ReportError("CopyfitMagnifyLine: " + tm.messages);
if (tm.textWidth < widthInPoints*100 && !AllowToExpand)
return line;
var factor = Round(widthInPoints / tm.textWidth * 10000, 0) - 1;
return "<magnify type=setwidth factor=" + factor + ">" +
line + "</magnify>";
}
(Sorry again for any wrapping in the email.)
The idea here is that we don't need to iterate until we find a size that
fits; we can simply take the ratio of how big the line is already
compared to the desired width and use that as the magnification factor.
Note that you have to specify all the font and size information with
tags. So a call would look something like this:
return CopyfitLineWithMagnifyTag('<f name="Arial">' +
'<z newsize=12>' + Field("Address"), 360);
The caller can add the optional third parameter of "true" to allow the
text to get bigger, like so:
return CopyfitLineWithMagnifyTag('<f name="Arial">' +
'<z newsize=12>' + Field("Address"), 360, true);
This function could also be modified to take parameters specifying the
font name and bold/italic faces.
Dan
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