Re: How do you set an image's background color to CLEAR?
Re: How do you set an image's background color to CLEAR?
- Subject: Re: How do you set an image's background color to CLEAR?
- From: Dan Saul <email@hidden>
- Date: Thu, 13 Jan 2005 10:42:29 -0600
Graphic converter will do this if the alpha is just one colour. But
yes, by default NSImage works perfectly with alpha channels.
On Wed, 12 Jan 2005 23:35:17 -0800, Andrew Farmer <email@hidden> wrote:
> On 12 Jan 2005, at 17:59, Frederick C. Lee wrote:
> > Greetings:
> > I want to overlay a text image upon a background image, like of a map
> > of Europe or whatever. For example, I have a small TIFF file with
> > "Hello World!" upon a white background via GraphicConverter.
> >
> > I do get an overlay. But when I reduce the alpha value of the
> > banner, the entire image fades. What I want is the text with clear
> > background upon the background image.
>
> Create a TIFF with an alpha channel. GraphicConverter doesn't do this
> very well; you may want to try PhotoShop or something.
>
>
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