Sven Neumann wrote:
> On Sun, 2009-12-27 at 11:18 +0100, Louise Hoffman wrote:
>>> I strongly suggest that you read the tutorial on developer.gimp.org
>>> then:
>>>
>>> http://developer.gimp.org/writing-a-plug-in/1/index.html
>> I read that one, and it was from that, I copied a lot of the code. I
On Sun, 2009-12-27 at 11:18 +0100, Louise Hoffman wrote:
> > I strongly suggest that you read the tutorial on developer.gimp.org
> > then:
> >
> > http://developer.gimp.org/writing-a-plug-in/1/index.html
>
> I read that one, and it was from that, I copied a lot of the code. I
> was why I had all
> I strongly suggest that you read the tutorial on developer.gimp.org
> then:
>
> http://developer.gimp.org/writing-a-plug-in/1/index.html
I read that one, and it was from that, I copied a lot of the code. I
was why I had all this pointer and structs at first =)
> and perhaps study the code of a
> No you got an error. 0, or FALSE, means "error" which you can read in the
> documentation for the function:
>
> http://developer.gimp.org/api/2.0/libgimp/libgimp-gimpdrawable.html#gimp-drawable-set-pixel
Now I see =) And now I get my red pixel as I wanted =)
gboolean s;
guint8 pixel[] = { 0
On Sat, 2009-12-26 at 19:03 +0100, Louise Hoffman wrote:
> > You can't show a drawable by itself, it needs to be in an image. Also, an
> > image can't show itself, you must create a display for that. You are also
> > using the API in weird ways, for example, objects such as layers and images
> > ar
Louise Hoffman wrote:
> Now I don't get any errors, but I don't see the pixel either...
>
> /* Trying to set a pixel at x=5,y=5 with value 150 in 24 bit color */
> const guint8 *pixel;
> pixel = (guint8 *) "150";
> gboolean s;
> s = gimp_drawable_set_pixel (layer, 5, 5, 24, pixel);
> p
> As I said, in the plug-in context layers (and drawables) are identified by
> integers, not pointers. Looks like you try to use a struct pointer again.
>
> Plug-ins run in their own process and thus pointer-passing doesn't work.
Sorry about that.
Now I don't get any errors, but I don't see the p
Louise Hoffman wrote:
> hello-world.c:73: warning: passing argument 1 of
> ‘gimp_drawable_set_pixel’ makes integer from pointer without a cast
> /usr/include/gimp-2.0/libgimp/gimpdrawable_pdb.h:89: note: expected
> ‘gint32’ but argument is of type ‘struct GimpDrawable *’
As I said, in the plug-in
> Your invocation of 'gimp_install_procedure' specifies NULL for the
> image_type. This is probably what you want -- you don't need an image
> opened in order to create a new image -- but this means that you
> shouldn't be using GIMP_PDB_IMAGE and GIMP_PDB_DRAWABLE in your
> GimpParamDef (if there
> You can't show a drawable by itself, it needs to be in an image. Also, an
> image can't show itself, you must create a display for that. You are also
> using the API in weird ways, for example, objects such as layers and images
> are represented by integers in the plug-in context.
>
> You are als
> File->New creates a new image, not a new drawable.
Okay, I had that mixed up. A new image is really what I wanted then =)
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Quoting Louise Hoffman :
> When I select the plugin in GIMP I get these errors:
>
> Calling error for procedure 'gimp-drawable-width': Procedure
> 'gimp-drawable-width' has been called with an invalid ID for argument
> 'drawable'. Most likely a plug-in is trying to work on a layer that
> doesn't e
Louise Hoffman wrote:
Dear developers,
I am trying to make a GIMP plugin that can open a new drawable on the
screen. Just like when you make one from File->New.
Hi!
You can't show a drawable by itself, it needs to be in an image. Also,
an image can't show itself, you must create a display fo
On Sat, 2009-12-26 at 13:51 +0100, Louise Hoffman wrote:
> Dear developers,
>
> I am trying to make a GIMP plugin that can open a new drawable on the
> screen. Just like when you make one from File->New.
>
> It should be 800x600 24bit greyscale.
File->New creates a new image, not a new drawable.
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