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/* GIMP - The GNU 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 3 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, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <gegl.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 = GIMP_ITEM (viewable);
GimpImage *image = gimp_item_get_image (item);
if (image && ! image->gimp->config->layer_previews && ! is_popup)
{
*width = size;
*height = size;
return;
}
if (image && ! is_popup)
{
gdouble xres;
gdouble yres;
gimp_image_get_resolution (image, &xres, &yres);
gimp_viewable_calc_preview_size (gimp_image_get_width (image),
gimp_image_get_height (image),
size,
size,
dot_for_dot,
xres,
yres,
width,
height,
NULL);
}
else
{
gimp_viewable_calc_preview_size (gimp_item_get_width (item),
gimp_item_get_height (item),
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 = GIMP_ITEM (viewable);
GimpImage *image = gimp_item_get_image (item);
if (image && ! image->gimp->config->layer_previews)
return FALSE;
if (gimp_item_get_width (item) > width ||
gimp_item_get_height (item) > height)
{
gboolean scaling_up;
gdouble xres = 1.0;
gdouble yres = 1.0;
if (image)
gimp_image_get_resolution (image, &xres, &yres);
gimp_viewable_calc_preview_size (gimp_item_get_width (item),
gimp_item_get_height (item),
width * 2,
height * 2,
dot_for_dot,
xres,
yres,
popup_width,
popup_height,
&scaling_up);
if (scaling_up)
{
*popup_width = gimp_item_get_width (item);
*popup_height = gimp_item_get_height (item);
}
return TRUE;
}
return FALSE;
}
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