forked from KDE/kdiff3
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathPixMapUtils.cpp
More file actions
148 lines (118 loc) · 3.97 KB
/
PixMapUtils.cpp
File metadata and controls
148 lines (118 loc) · 3.97 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
/*
* KDiff3 - Text Diff And Merge Tool
*
* SPDX-FileCopyrightText: 2002-2011 Joachim Eibl, joachim.eibl at gmx.de
* SPDX-FileCopyrightText: 2018-2020 Michael Reeves reeves.87@gmail.com
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "MergeFileInfos.h"
#include <QApplication>
#include <QIcon>
#include <QPainter>
#include <QPixmap>
#include <QStyle>
namespace PixMapUtils {
namespace {
QPixmap* s_pm_dir = nullptr;
QPixmap* s_pm_file = nullptr;
QPixmap* pmNotThere;
QPixmap* pmNew = nullptr;
QPixmap* pmOld;
QPixmap* pmMiddle;
QPixmap* pmLink;
QPixmap* pmDirLink;
QPixmap* pmFileLink;
QPixmap* pmNewLink;
QPixmap* pmOldLink;
QPixmap* pmMiddleLink;
QPixmap* pmNewDir;
QPixmap* pmMiddleDir;
QPixmap* pmOldDir;
QPixmap* pmNewDirLink;
QPixmap* pmMiddleDirLink;
QPixmap* pmOldDirLink;
}// namespace
QPixmap colorToPixmap(const QColor& inColor)
{
QPixmap pm(16, 16);
QPainter p(&pm);
p.setPen(Qt::black);
p.setBrush(inColor);
p.drawRect(0, 0, pm.width(), pm.height());
return pm;
}
/*
Copy pm2 onto pm1, but preserve the alpha value from pm1 where pm2 is transparent.
Opactiy controls wheather or not pm1 will show through.
*/
QPixmap pixCombiner(const QPixmap* pm1, const QPixmap* pm2, const qreal inOpacity = 1)
{
QImage img1 = pm1->toImage().convertToFormat(QImage::Format_ARGB32);
QImage img2 = pm2->toImage().convertToFormat(QImage::Format_ARGB32);
QPainter painter(&img1);
painter.setOpacity(inOpacity);
painter.drawImage(0, 0, img2);
painter.end();
return QPixmap::fromImage(img1);
}
void initPixmaps(const QColor& newest, const QColor& oldest, const QColor& middle, const QColor& notThere)
{
if(s_pm_dir == nullptr || s_pm_file == nullptr)
{
#include "xpm/file.xpm"
#include "xpm/folder.xpm"
const int smallIcon = qApp->style()->pixelMetric(QStyle::PM_SmallIconSize);
s_pm_dir = new QPixmap(QIcon::fromTheme(QStringLiteral("folder")).pixmap(smallIcon));
if(s_pm_dir->size() != QSize(16, 16))
{
delete s_pm_dir;
s_pm_dir = new QPixmap(folder_pm);
}
s_pm_file = new QPixmap(file_pm);
}
if(pmNew == nullptr)
{
#include "xpm/link_arrow.xpm"
pmNotThere = new QPixmap;
pmNew = new QPixmap;
pmOld = new QPixmap;
pmMiddle = new QPixmap;
pmLink = new QPixmap(link_arrow);
pmDirLink = new QPixmap;
pmFileLink = new QPixmap;
pmNewLink = new QPixmap;
pmOldLink = new QPixmap;
pmMiddleLink = new QPixmap;
pmNewDir = new QPixmap;
pmMiddleDir = new QPixmap;
pmOldDir = new QPixmap;
pmNewDirLink = new QPixmap;
pmMiddleDirLink = new QPixmap;
pmOldDirLink = new QPixmap;
}
*pmNotThere = colorToPixmap(notThere);
*pmNew = colorToPixmap(newest);
*pmOld = colorToPixmap(oldest);
*pmMiddle = colorToPixmap(middle);
*pmDirLink = pixCombiner(s_pm_dir, pmLink);
*pmFileLink = pixCombiner(s_pm_file, pmLink);
*pmNewLink = pixCombiner(pmNew, pmLink);
*pmOldLink = pixCombiner(pmOld, pmLink);
*pmMiddleLink = pixCombiner(pmMiddle, pmLink);
*pmNewDir = pixCombiner(pmNew, s_pm_dir, 0.5);
*pmMiddleDir = pixCombiner(pmMiddle, s_pm_dir, 0.5);
*pmOldDir = pixCombiner(pmOld, s_pm_dir, 0.5);
*pmNewDirLink = pixCombiner(pmNewDir, pmLink);
*pmMiddleDirLink = pixCombiner(pmMiddleDir, pmLink);
*pmOldDirLink = pixCombiner(pmOldDir, pmLink);
}
QPixmap getOnePixmap(e_Age eAge, bool bLink, bool bDir)
{
QPixmap* ageToPm[] = {pmNew, pmMiddle, pmOld, pmNotThere, s_pm_file};
QPixmap* ageToPmLink[] = {pmNewLink, pmMiddleLink, pmOldLink, pmNotThere, pmFileLink};
QPixmap* ageToPmDir[] = {pmNewDir, pmMiddleDir, pmOldDir, pmNotThere, s_pm_dir};
QPixmap* ageToPmDirLink[] = {pmNewDirLink, pmMiddleDirLink, pmOldDirLink, pmNotThere, pmDirLink};
QPixmap** ppPm = bDir ? (bLink ? ageToPmDirLink : ageToPmDir) : (bLink ? ageToPmLink : ageToPm);
return *ppPm[eAge];
}
} // namespace PixMapUtils