Hello David and thank you for the quick reply!

Now, using the word "Canvas" rather than "Drawable area" makes things a lot
more sane immediately, and your
explanation is accurate and acceptable.

Is there a way to toggle the visibility of the content of layers outside the
If not, I'd be nice to have such a feature.. perhaps by seeing those parts
as slightly greyed out like in most
photo-editing applications when performing a crop on an image. What do you

I might even considering taking that on as an implementation task.. would be
fun to contribute to GIMP!

/ Janne

On Thu, Apr 15, 2010 at 1:59 PM, David Gowers <00a...@gmail.com> wrote:

> Hello Janne,
> On Thu, Apr 15, 2010 at 8:33 PM, Janne Kronback <faultygear...@gmail.com>
> wrote:
> > I used GIMP yesterday after a break of a few months and spend the first
> hour
> > being frustrated.
> > Part of it was because I was using a Swedish version which I haven't
> tried
> > before, so all the names were strange at first...
> >
> > Anyhow, the manual (chapter 8) says nothing about the issue I had.
> > I copied a part of the image as a new layer which I was to "tile" to get
> a
> > bigger surface. I naturally resized the layer x*y times to make room for
> it
> > (I know there are tools to do this, they did however not give me the
> result
> > I was after).
> In this situation, I usually adjust the canvas size and select the
> option which adjusts all layer sizes accordingly.
> > I was then to copy that piece of texture again and paste it into the same
> > layer and move it to the correct position repeatedly when the strange
> thing
> > happened..
> > The texture just disappeared into nothingness the moment it was slid out
> of
> > the border of the original texture! Even though the layer boundaries was
> > resized,
> > I could not use it.
> You could. It just looked like it was not being pasted. That's an
> illusion created by the combination of your method and GIMP's
> treatment of layer content outside canvas bounds.
> >
> > The manual explicitly says:
> > "Note: he amount of memory that a layer consumes is determined by its
> > dimensions, not its contents. So, if you are working with large images or
> > images that contain many layers, it might pay off to trim layers to the
> > minimum possible size. "
> >
> > Why did I resize the layer, consume more memory but wasn't allowed to use
> it
> > until I, in another menu, chose "expand drawable area to the boundaries
> of
> > the layer" (in swedish).
> You will not be able to see anything outside of the bounds of the
> *image*; I expect the menu item that you were looking at was the same
> as the english item "Fit Canvas to Layers".
> The canvas is the boundary size of the image (and it is usually what
> you will find you want to really adjust, rather than layer boundary
> size)
> > This doesn't feel like it should be the default behaviour. Out of
> curiosity,
> > why would you want to expand a layer that you cannot draw on?
> I suspect you want to reword that question, as there is no such thing
> as a layer which you actually cannot draw on (except by explicitly
> indicating you want that, using the 'lock pixels' or 'lock alpha'
> toggles).
> It's perfectly possible to set things up so you are likely to THINK
> you cannot draw on a layer as it's not visible; but such thoughts are
> inaccurate, you can draw, paste, etc on it just the same as any other
> layer; the layer just is not visible until you move your layer back
> within canvas bounds
> Hope that helps,
> David
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