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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <string.h>
#include <glib-object.h>
#include "libgimpmath/gimpmath.h"
#include "core-types.h"
#include "config/gimpcoreconfig.h"
#include "gimp.h"
#include "gimpimage.h"
#include "gimpitem.h"
#include "gimpitem-preview.h"
/* public functions */
void
gimp_item_get_preview_size (GimpViewable *viewable,
gint size,
gboolean is_popup,
gboolean dot_for_dot,
gint *width,
gint *height)
{
GimpItem *item;
GimpImage *gimage;
item = GIMP_ITEM (viewable);
gimage = gimp_item_get_image (item);
if (gimage && ! gimage->gimp->config->layer_previews && ! is_popup)
{
*width = size;
*height = size;
return;
}
if (gimage && ! is_popup)
{
gimp_viewable_calc_preview_size (gimage->width,
gimage->height,
size,
size,
dot_for_dot,
gimage->xresolution,
gimage->yresolution,
width,
height,
NULL);
}
else
{
gimp_viewable_calc_preview_size (item->width,
item->height,
size,
size,
dot_for_dot, 1.0, 1.0,
width,
height,
NULL);
}
}
gboolean
gimp_item_get_popup_size (GimpViewable *viewable,
gint width,
gint height,
gboolean dot_for_dot,
gint *popup_width,
gint *popup_height)
{
GimpItem *item;
GimpImage *gimage;
item = GIMP_ITEM (viewable);
gimage = gimp_item_get_image (item);
if (gimage && ! gimage->gimp->config->layer_previews)
return FALSE;
if (item->width > width || item->height > height)
{
gboolean scaling_up;
gimp_viewable_calc_preview_size (item->width,
item->height,
width * 2,
height * 2,
dot_for_dot,
gimage ? gimage->xresolution : 1.0,
gimage ? gimage->yresolution : 1.0,
popup_width,
popup_height,
&scaling_up);
if (scaling_up)
{
*popup_width = item->width;
*popup_width = item->height;
}
return TRUE;
}
return FALSE;
}
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