1 /*
2 * This file is part of RawTherapee.
3 *
4 * Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
5 *
6 * RawTherapee is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 *
11 * RawTherapee is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with RawTherapee. If not, see <https://www.gnu.org/licenses/>.
18 */
19
20 #include "imagedimensions.h"
21 #include "rtengine.h"
22
PreviewProps(int _x,int _y,int _width,int _height,int _skip)23 PreviewProps::PreviewProps(int _x, int _y, int _width, int _height, int _skip) :
24 x(_x),
25 y(_y),
26 width(_width),
27 height(_height),
28 skip(_skip)
29 {
30 }
31
getX() const32 int PreviewProps::getX() const
33 {
34 return x;
35 }
36
getY() const37 int PreviewProps::getY() const
38 {
39 return y;
40 }
41
getWidth() const42 int PreviewProps::getWidth() const
43 {
44 return width;
45 }
46
getHeight() const47 int PreviewProps::getHeight() const
48 {
49 return height;
50 }
51
getSkip() const52 int PreviewProps::getSkip() const
53 {
54 return skip;
55 }
56
ImageDimensions()57 ImageDimensions::ImageDimensions() :
58 width(-1),
59 height(-1)
60 {
61 }
62
transform(const PreviewProps & pp,int tran,int & sx1,int & sy1,int & sx2,int & sy2) const63 void ImageDimensions::transform(const PreviewProps& pp, int tran, int& sx1, int& sy1, int& sx2, int& sy2) const
64 {
65 int sw = width;
66 int sh = height;
67
68 if ((tran & TR_ROT) == TR_R90 || (tran & TR_ROT) == TR_R270) {
69 std::swap(sw, sh);
70 }
71
72 int ppx = pp.getX();
73 int ppy = pp.getY();
74
75 if (tran & TR_HFLIP) {
76 ppx = sw - pp.getX() - pp.getWidth();
77 }
78
79 if (tran & TR_VFLIP) {
80 ppy = sh - pp.getY() - pp.getHeight();
81 }
82
83 sx1 = ppx;
84 sy1 = ppy;
85 sx2 = ppx + pp.getWidth();
86 sy2 = ppy + pp.getHeight();
87
88 if ((tran & TR_ROT) == TR_R180) {
89 sx1 = width - ppx - pp.getWidth();
90 sy1 = height - ppy - pp.getHeight();
91 sx2 = sx1 + pp.getWidth();
92 sy2 = sy1 + pp.getHeight();
93 } else if ((tran & TR_ROT) == TR_R90) {
94 sx1 = ppy;
95 sy1 = height - ppx - pp.getWidth();
96 sx2 = sx1 + pp.getHeight();
97 sy2 = sy1 + pp.getWidth();
98 } else if ((tran & TR_ROT) == TR_R270) {
99 sx1 = width - ppy - pp.getHeight();
100 sy1 = ppx;
101 sx2 = sx1 + pp.getHeight();
102 sy2 = sy1 + pp.getWidth();
103 }
104
105 if (sx1 < 0) {
106 sx1 = 0;
107 }
108
109 if (sy1 < 0) {
110 sy1 = 0;
111 }
112 }
113
114