Hi,
I'm a relative newbie trying to have a GIMP plugin draw a line (among
other things).
I found gdk_draw_line which seems to be what I want. But I don't know
what to do about drawable. I of course have the GimpDrawable, and I
have a guint8 array which holds the data from the GimpDrawable:
gint32 drawable_ID;
int x1, y1, x2, y2;
guint8 *source_data;
GimpDrawable *drawable;
GimpPixelRgn source_region;
if (!(drawable = (GimpDrawable *) gimp_drawable_get (drawable_ID)))
return FALSE;
has_selection = gimp_drawable_mask_bounds (drawable_ID,
&x1, &y1, &x2, &y2);
if (!(source_data = g_new (guchar, drawable->bpp * (x2-x1) * (y2-y1))))
return FALSE;
gimp_pixel_rgn_init (&source_region, drawable, x1, y1, x2-x1, y2-y1, FALSE,
FALSE);
gimp_pixel_rgn_get_rect (&source_region, source_data, x1, y1, x2-x1, y2-y1);
But I don't see how to get or make a GdkDrawable which I can pass to
gdk_draw_line. Do I need to create a GdkPixmap from source_data, and
draw into that?
Thanks,
-Adam
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