gimp/app/drawable.c

123 lines
3.0 KiB
C

/* 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 "drawable.h"
#include "drawable_pvt.h"
#include "gimpcontext.h"
#include "gimpimageF.h"
#include "gdisplay.h"
#include "undo.h"
gint
drawable_ID (GimpDrawable *drawable)
{
g_return_val_if_fail (drawable != NULL, -1);
g_return_val_if_fail (GIMP_IS_DRAWABLE (drawable), -1);
return drawable->ID;
}
void
drawable_fill (GimpDrawable *drawable,
GimpFillType fill_type)
{
guchar r, g, b, a;
g_return_if_fail (drawable != NULL);
g_return_if_fail (GIMP_IS_DRAWABLE (drawable));
a = 255;
switch (fill_type)
{
case FOREGROUND_FILL:
gimp_context_get_foreground (NULL, &r, &g, &b);
break;
case BACKGROUND_FILL:
gimp_context_get_background (NULL, &r, &g, &b);
break;
case WHITE_FILL:
r = g = b = 255;
break;
case TRANSPARENT_FILL:
a = r = g = b = 0;
break;
case NO_FILL:
return;
default:
g_warning ("unknown fill type");
a = r = g = b = 0;
break;
}
gimp_drawable_fill (drawable,r,g,b,a);
drawable_update (drawable, 0, 0,
gimp_drawable_width (drawable),
gimp_drawable_height (drawable));
}
void
drawable_update (GimpDrawable *drawable,
gint x,
gint y,
gint w,
gint h)
{
GimpImage *gimage;
gint offset_x, offset_y;
g_return_if_fail (drawable != NULL);
g_return_if_fail (GIMP_IS_DRAWABLE (drawable));
gimage = gimp_drawable_gimage (drawable);
g_return_if_fail (gimage != NULL);
gimp_drawable_offsets (drawable, &offset_x, &offset_y);
x += offset_x;
y += offset_y;
gdisplays_update_area (gimage, x, y, w, h);
/* invalidate the preview */
gimp_drawable_invalidate_preview (drawable);
}
void
drawable_apply_image (GimpDrawable *drawable,
gint x1,
gint y1,
gint x2,
gint y2,
TileManager *tiles,
gint sparse)
{
g_return_if_fail (drawable != NULL);
g_return_if_fail (GIMP_IS_DRAWABLE (drawable));
if (! tiles)
undo_push_image (drawable->gimage, drawable,
x1, y1, x2, y2);
else
undo_push_image_mod (drawable->gimage, drawable,
x1, y1, x2, y2, tiles, sparse);
}