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From: | Riccardo Mottola |
Subject: | Re: Gorm is broken |
Date: | Tue, 03 May 2011 20:44:09 +0200 |
User-agent: | Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10.4; en-US; rv:1.9.1.19) Gecko/20110420 SeaMonkey/2.0.14 |
GUI elements need be adapted to pixels. If you have a particular device with a screen, you should be able to double or half the resolution. This is how it works on Windows too.
Think how it works in a typical context. It is not just an AppIcon. You can have a NSImageView or a NSButton with an image on it. You design the interface elements to be of a certain size and thus the bitmap you put in too. You can't expect images not to be displayed in pixels, it won't work correctly.
O don't think Eric can do many tricks there. You would need to draw the whole interface with a different unit, like points.
Only sometimes you really want to match an image to its resolution. For example with a "show real size" of an image viewer. In that case you need to know the resolution of the image and the resolution of the screen and do all necessary conversions.
Riccardo Banlu Kemiyatorn wrote:
Newer mobile screen are like 250 ~ 350 ppi these days so yes I want bigger buttons by default. It's useless vs happiness so scaling by resolution got more priority. On Wed, May 4, 2011 at 12:04 AM, Richard Frith-Macdonald <address@hidden> wrote:On 3 May 2011, at 17:01, Riccardo Mottola wrote:Hi, fixing the images is incorrect I think. 96DPI and 72DPI are both "acceptable" values for screen displays. There is actually no real standard and screens have a varying resolution. Thus 72 and 96 DPIs are just custom values. Traditionally, Mac saved images with no "explicit" resolution as 72dpi and windows tends to use 96dpi. I think your patch is wrong in concept: no developer would expect their button or any other gui element to be resized according to the display resolution. A pixel is a pixel in that case.I haven't really been following this, and I'm not sure what is actually being said above but I'll say what I expect: If I change the resolution of my display to make it higher resolution, I expect to see windows, buttons, images etc get smaller ... ie I expect them to work in pixels. Interestingly, I don't really expect text to work the same way ... you generally specify the point size of your text and expect it to appear with the specified point size irrespective of the display resolution (though I wouldn't say I 'expect' that behavior, because I know plenty of systems don't really support setting text size properly).
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