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
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
// SPDX-FileCopyrightText: 2022 UnionTech Software Technology Co., Ltd.
//
// SPDX-License-Identifier: LGPL-3.0-or-later
#include <DImageHandler>
#include <QHash>
#include <QGuiApplication>
#include <QCommandLineParser>
#include <QCommandLineOption>
#include <QDebug>
DGUI_USE_NAMESPACE
bool rotateImage(DImageHandler &handler, QImage &image, const QString ¶m)
{
int degresses = param.toInt();
if (!handler.rotateImage(image, degresses)) {
qWarning().noquote() << "Rotate image failed" << handler.lastError();
return false;
}
return true;
}
bool applyImageFilter(QImage &image, const QString ¶m)
{
enum FilterType { Old, Warm, Cool, Gray, AntiColor, Metal };
static const QHash<QString, FilterType> colorFilters{
{"old", Old}, {"warm", Warm}, {"cool", Cool}, {"gray", Gray}, {"anticolor", AntiColor}, {"metal", Metal}};
QString filter = param.toLower();
if (!colorFilters.contains(filter)) {
qWarning().noquote() << QString("There is no color filter named %1.").arg(filter);
return false;
}
FilterType type = colorFilters.value(filter);
switch (type) {
case Old:
image = DImageHandler::oldColorFilter(image);
break;
case Warm:
image = DImageHandler::warmColorFilter(image);
break;
case Cool:
image = DImageHandler::coolColorFilter(image);
break;
case Gray:
image = DImageHandler::grayScaleColorFilter(image);
break;
case AntiColor:
image = DImageHandler::antiColorFilter(image);
break;
case Metal:
image = DImageHandler::metalColorFilter(image);
break;
default:
break;
}
return true;
}
void printMultipleImage(const QStringList &imageFiles, bool extra)
{
if (imageFiles.isEmpty()) {
return;
}
DImageHandler handler;
QStringList notSupportList;
QStringList errorList;
for (const QString &imageFile : imageFiles) {
handler.setFileName(imageFile);
if (!handler.isReadable()) {
notSupportList << imageFile;
} else {
// Load image internal.
QSize size = handler.imageSize();
QString errorString = handler.lastError();
if (errorString.isEmpty()) {
qInfo().noquote() << imageFile << handler.imageFormat() << size;
if (extra) {
qInfo().noquote() << handler.findAllMetaData();
}
} else {
errorList << QString("%1 %2").arg(imageFile).arg(errorString);
}
}
}
if (!notSupportList.isEmpty()) {
qInfo().noquote() << "\nNot support image format:";
for (const QString ¬Support : notSupportList) {
qInfo().noquote() << notSupport;
}
}
if (!errorList.isEmpty()) {
qInfo().noquote() << "\nLoad image error:";
for (const QString &error : errorList) {
qInfo().noquote() << error;
}
}
}
int main(int argc, char *argv[])
{
QGuiApplication app(argc, argv);
QCoreApplication::setApplicationName("Image handler");
QCommandLineOption rotateOption({"r", "rotate"}, "Rotate image with geven degresses.", "degresses");
QCommandLineOption saveOption({"o", "output"}, "Save image with file path.", "file");
QCommandLineOption filterOption("f",
"Apply filters to pictures.\n"
"Contains old, warm, cool, gray, anticolor and metal.",
"filter");
QCommandLineOption extraOption("e", "Show extra image info.");
QCommandLineOption supportOption({"l", "list"}, "List all support image formats");
QCommandLineParser parser;
parser.setApplicationDescription("Image handler");
parser.addHelpOption();
parser.addOption(rotateOption);
parser.addOption(saveOption);
parser.addOption(filterOption);
parser.addOption(extraOption);
parser.addOption(supportOption);
parser.addPositionalArgument("file", "Open file. More than one file will only display file info.", "[file...]");
parser.process(app);
if (parser.isSet(supportOption)) {
qInfo().noquote() << "Support image formats:";
qInfo().noquote() << DImageHandler::supportFormats().join(',');
return 0;
}
const QStringList fileArgs = parser.positionalArguments();
if (fileArgs.isEmpty()) {
parser.showHelp();
return 0;
}
bool needRotate = parser.isSet(rotateOption);
bool needFilter = parser.isSet(filterOption);
if (needRotate || needFilter) {
QString fileName = fileArgs.first();
QString saveFileName = parser.isSet(saveOption) ? parser.value(saveOption) : fileName;
DImageHandler handler;
handler.setFileName(fileName);
QImage image = handler.readImage();
if (image.isNull()) {
qWarning().noquote() << "Can't read image." << handler.lastError();
return 0;
}
if (needRotate) {
if (!rotateImage(handler, image, parser.value(rotateOption))) {
return 0;
}
}
if (needFilter) {
if (!applyImageFilter(image, parser.value(filterOption))) {
return 0;
}
}
if (!handler.saveImage(image, saveFileName)) {
qWarning().noquote() << QString("Save file %1 failed.").arg(saveFileName) << handler.lastError();
return 0;
}
} else {
printMultipleImage(fileArgs, parser.isSet(extraOption));
}
return 0;
}
|
