Sounds interesting, but how do I technically "composite the image with the mask"?
Also I'm not sure I understand the resolution issues you mentioned. Could you please give a little bit more detail? Thanks! On Wed, Jan 28, 2009 at 5:49 PM, Ricky Sharp <rsh...@mac.com> wrote: > You could render your text to an image first, composite it with the > opaque-to-transparent mask and finally draw the result. > > I used to create images from text, but I ended up with issues regarding > resolution independence for some reason. So, you may need to test this > solution with RI if needed. > > Sent from my iPhone > > On Jan 28, 2009, at 9:38 AM, Oleg Krupnov <oleg.krup...@gmail.com> wrote: > >> I want to produce the effect of a text string fading out when it's too >> long to be displayed in a rect. This kind of effect is used in many >> apps. >> >> My first solution was to simply draw the text and then on top of it >> draw a gradient fill ranging from the fully transparent color to the >> background color of the rect. This works fine, however only for solid >> opaque backgrounds. >> >> Now I have the problem that the background is not solid and/or not >> opaque. There is no longer such thing as "background color" I could >> use in the gradient. How do I solve this problem? >> >> I've tried to go the way of converting the text to a path and fill it >> with gradient, but encountered some problems: 1) I don't know the >> right line width to stroke the path, I only fill it, and so the path >> never looks of the same weight as the simply drawn text; 2) the path >> is not aligned to the baseline of text, and I don't know the right >> offsets, so the path is never aligned the same way as the simply drawn >> text. 3) gradient fill of this path did not produce smooth fade out >> for some reason. >> >> I'm hoping there is an easier way I've missed, but any advice is welcome! >> _______________________________________________ >> >> Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) >> >> Please do not post admin requests or moderator comments to the list. >> Contact the moderators at cocoa-dev-admins(at)lists.apple.com >> >> Help/Unsubscribe/Update your Subscription: >> http://lists.apple.com/mailman/options/cocoa-dev/rsharp%40mac.com >> >> This email sent to rsh...@mac.com > _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
