Determine textwidth in mm

rbuser

Hi

im trying to determine the maxwidth of a control by using TCanvas.textWidth('WWWWWWWWWWW')
and this yields a result fo 1056
But i'm unsure how to convert this to the mm unit that is used when setting
component bounds with mmSetBounds().

Can anyone point me in the right direction?

rbuser

posted in wrong group

sorry

nicocizik

Hi Bas,

There are numerous utility routines that you can use to convert units
located in the ppUtils.pas file. Specifically ppToMMThousandths.

What exactly are you trying to accomplish? Simply setting the Top, Left,
Width, and Height properties of a component using the proper report units
will automatically convert the value to thousandths of milimeters. There
should be no need to use the mmSetBounds routine.

--
Regards,

Nico Cizik
Digital Metaphors
http://www.digital-metaphors.com

rbuser

Hello Nico,

I'm trying to set the width of a DBText control to the textwidth of a number
of 'W' characters
But somehow in the conversion of units something goes wrong.

nicocizik

Hi Bas,

The units you are converting from depends on the device context of the
canvas you are using to make the initital measurement. If for instance you
are using the Canvas property of a TBitmap, your initial units will be
screen pixels. Once you know your initial units, it should be fairly easy
to make a conversion to a different unit using the helper functions in
ppUtils.

--
Regards,

Nico Cizik
Digital Metaphors
http://www.digital-metaphors.com

nardmoseley

As Nico stated, the DBText.Width reflects the Report.Units

An alternative is to use DBText.spWidth which is in screen pixels.

And there is also DBText.mmWidth which is in mmThousandths



--
Nard Moseley
Digital Metaphors
www.digital-metaphors.com