Commit 6ec5190d authored by Michael Natterer's avatar Michael Natterer 😴

app: remove unused files base/tile-manager-crop.[ch]

parent 9424d42d
......@@ -62,8 +62,6 @@ libappbase_a_SOURCES = \
tile-cache.h \
tile-manager.c \
tile-manager.h \
tile-manager-crop.c \
tile-manager-crop.h \
tile-manager-preview.c \
tile-manager-preview.h \
tile-manager-private.h \
......
/* 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 <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <glib-object.h>
#include "base-types.h"
#include "paint-funcs/paint-funcs.h"
#include "pixel-region.h"
#include "tile-manager.h"
#include "tile-manager-crop.h"
/* Crop the buffer to the size of pixels with non-zero transparency */
TileManager *
tile_manager_crop (TileManager *tiles,
gint border)
{
PixelRegion region;
TileManager *new_tiles;
gint bytes, alpha;
gint x1, y1, x2, y2;
gboolean found;
gboolean empty;
gpointer pr;
g_return_val_if_fail (tiles != NULL, NULL);
bytes = tile_manager_bpp (tiles);
alpha = bytes - 1;
/* go through and calculate the bounds */
x1 = tile_manager_width (tiles);
y1 = tile_manager_height (tiles);
x2 = 0;
y2 = 0;
pixel_region_init (&region, tiles, 0, 0, x1, y1, FALSE);
for (pr = pixel_regions_register (1, &region);
pr != NULL;
pr = pixel_regions_process (pr))
{
const guchar *data = region.data + alpha;
gint ex = region.x + region.w;
gint ey = region.y + region.h;
gint x, y;
for (y = region.y; y < ey; y++)
{
found = FALSE;
for (x = region.x; x < ex; x++, data += bytes)
if (*data)
{
if (x < x1)
x1 = x;
if (x > x2)
x2 = x;
found = TRUE;
}
if (found)
{
if (y < y1)
y1 = y;
if (y > y2)
y2 = y;
}
}
}
x2 = CLAMP (x2 + 1, 0, tile_manager_width (tiles));
y2 = CLAMP (y2 + 1, 0, tile_manager_height (tiles));
empty = (x1 == tile_manager_width (tiles) &&
y1 == tile_manager_height (tiles));
if (empty)
{
/* If there are no visible pixels, return NULL */
new_tiles = NULL;
}
else if (x1 == 0 && y1 == 0 &&
x2 == tile_manager_width (tiles) &&
y2 == tile_manager_height (tiles) &&
border == 0)
{
/* If no cropping, return original buffer */
new_tiles = tiles;
}
else
{
/* Otherwise, crop the original area */
PixelRegion srcPR, destPR;
gint new_width, new_height;
new_width = (x2 - x1) + border * 2;
new_height = (y2 - y1) + border * 2;
new_tiles = tile_manager_new (new_width, new_height, bytes);
/* If there is a border, make sure to clear the new tiles first */
if (border)
{
pixel_region_init (&destPR, new_tiles,
0, 0, new_width, border,
TRUE);
clear_region (&destPR);
pixel_region_init (&destPR, new_tiles,
0, border, border, (y2 - y1),
TRUE);
clear_region (&destPR);
pixel_region_init (&destPR, new_tiles,
new_width - border, border, border, (y2 - y1),
TRUE);
clear_region (&destPR);
pixel_region_init (&destPR, new_tiles,
0, new_height - border, new_width, border,
TRUE);
clear_region (&destPR);
}
pixel_region_init (&srcPR, tiles,
x1, y1, (x2 - x1), (y2 - y1), FALSE);
pixel_region_init (&destPR, new_tiles,
border, border, (x2 - x1), (y2 - y1), TRUE);
copy_region (&srcPR, &destPR);
tile_manager_set_offsets (new_tiles, x1, y1);
}
return new_tiles;
}
/* 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 <http://www.gnu.org/licenses/>.
*/
#ifndef __TILE_MANAGER_CROP_H__
#define __TILE_MANAGER_CROP_H__
TileManager * tile_manager_crop (TileManager *tiles,
gint border);
#endif /* __TILE_MANAGER_CROP_H__ */
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