Any idea how to calculate pixel width for text in non-fixed width fonts? Can you get point sizes for each character?
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Font Size - Point Vs Pixel
Hi,
Is there any way to compute pixels out of given font size. I mean how many pixels are there in one point. I know there should be some formula to calculate this as it depends upon current resolution and monitor size etc. At the moment I am working on PC with windows having resolution of 1600*1200 pixels in 24 bit mode. the monitor size is 19 inch.
regards
zaheer
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Answers
That's a tough one, and I can only give you a way to approximate this value: GetTextExtentPoint32.
You'll run into a 'problem' that's known as kerning, i.e. the process that calculates the runlength of a character based on the combination of *both* characters involved. As an example consider how the placement of 'e' may be different in these 2 cases: Ne and Te. In the latter case, the lower-case 'e' may be placed closer to the previous character than it would be in the first case.
So the height of a string is the only parameter you can calculate precisely.
.f
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by: fl0ydPosted on 2003-07-28 at 07:10:21ID: 9019896
A point is 1/72 inch. With that formula you can convert between inches and points. What's missing is the number of pixels in an inch. You can retrieve that by calling GetDeviceCaps( hdc, LOGPIXELSY ) which returns the number of pixels in 1 logical inch of your screen. A logical inch isn't exactly 1 inch if you measure it, but that isn't a problem as the point size only relates to logical inches on your screen.
Hope that helped,
.f