Hi Ken, Thanks so much. I will look into -interiorBackgroundStyle. That sounds like the key. Meanwhile, we will modify our images to work correctly. I've built an image tester and many of them work well and I think we can fix those that don't.
Thanks again Marc El Sep 10, 2010, a las 6:03 PM, Ken Ferry escribió: > On Fri, Sep 10, 2010 at 10:58 AM, Marc Respass <marcresp...@mac.com> wrote: > Hi, > > I have a need for a lot of different template images in my apps. I have > worked with my artist but she is not sure how to build a template image. We > have both researched it and we are not finding much good information. The > docs on template images say to use "black" and "clear" in the image but it's > difficult to make a nice, smooth, small image using only black. > > I've looked at a lot of applications and Mail is a great example. They have > the blue dot (which is a gradient) and when you select it, it turns white. > How do you do that? Can you use greyscale in the image mask? I've noticed > that setting isTemplate on my images will change them; for instance, I have a > red lock that we use but when I set it to a template it turns black. > > The image in Mail is not a template image. If you subclass NSCell, you can > choose to draw a different image entirely based on the cell's > -interiorBackgroundStyle. What the base class NSCell itself is doing if the > image is a template is choosing the runtime processing based on the cell's > -interiorBackgroundStyle (and in some cell subclasses, based on other data of > the cell, like if it should appear "on"). If you know more about what's > going on, you can get in there and do whatever drawing you want based on the > interiorBackgoundStyle. > > Can you use greyscale in the image mask? > > Nope, just black with different alpha values. Think of it like you would a > glyph in a font. It's a mask. > > -Ken > Cocoa Frameworks > > > Can anyone point me and my artist in the right direction to learn more about > this? I have read the NSImage docs on template images and so has she but it's > not quite enough for us. > > Thanks a lot > Marc > _______________________________________________ > > 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/kenferry%40gmail.com > > This email sent to kenfe...@gmail.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
