3 * Copyright (C) 2016-2020 William Morrow
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published
7 * by the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public
16 * License along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
22 #include "indexable.h"
26 const char *Rescale::scale_types[] = {
27 N_("None"), N_("Scaled"), N_("Cropped"), N_("Filled"), N_("Horiz Edge"), N_("Vert Edge"),
30 Rescale::Rescale(int w, int h, double aspect)
34 this->aspect = aspect;
37 Rescale::Rescale(Indexable *in)
39 this->w = in->get_w();
40 this->h = in->get_h();
42 MWindow::create_aspect_ratio(aw, ah, this->w, this->h);
43 this->aspect = ah > 0 ? aw / ah : 1;
50 void Rescale::rescale(Rescale &out, int type,
51 float &src_w,float &src_h, float &dst_w,float &dst_h)
53 int in_w = w, in_h = h;
54 int out_w = out.w, out_h = out.h;
56 src_w = in_w; src_h = in_h;
57 dst_w = out_w; dst_h = out_h;
58 double r = out.aspect / aspect;