Hi,
On Wed, 2008-05-07 at 09:27 +0200, Nicolás Serrano Martínez Santos
wrote:
> void refresh_preview(GimpPreviewArea *p, GimpDrawable *d){
> gint width, height; GimpPixelRgn rgn_input; guchar *buf;
>
> width = gimp_drawable_width(d->drawable_id);
> height = gimp_drawable_height(d->drawable_id);
> buf = g_new(guchar,width*height*3);
> gimp_pixel_rgn_init (&rgn_input,
> d,
> 0,0,
> width, height,
> FALSE, FALSE);
> gimp_pixel_rgn_get_rect(&rgn_input,buf,0,0,width,height);
> gtk_widget_set_size_request((GtkWidget *) p,width,height);
> gimp_preview_area_draw(p,0,0,width,
> height,GIMP_RGB_IMAGE,buf,3*width); /* always RGB */
> g_free(buf);
> }
That's a terribly inefficient way to doing things as you are allocating
a large amount of memory here to draw everything in a single call
instead of iterating over the drawable on a tile-by-tile basis (which is
what GimpDrawablePreview is doing). But it should work. I don't see
anything obviously wrong with this code. Perhaps you can make a simple
test application that we can compile and use to reproduce your problem?
Sven
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