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1 | /**************************************************************************** | - |
2 | ** | - |
3 | ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). | - |
4 | ** Contact: http://www.qt-project.org/legal | - |
5 | ** | - |
6 | ** This file is part of the QtGui module of the Qt Toolkit. | - |
7 | ** | - |
8 | ** $QT_BEGIN_LICENSE:LGPL$ | - |
9 | ** Commercial License Usage | - |
10 | ** Licensees holding valid commercial Qt licenses may use this file in | - |
11 | ** accordance with the commercial license agreement provided with the | - |
12 | ** Software or, alternatively, in accordance with the terms contained in | - |
13 | ** a written agreement between you and Digia. For licensing terms and | - |
14 | ** conditions see http://qt.digia.com/licensing. For further information | - |
15 | ** use the contact form at http://qt.digia.com/contact-us. | - |
16 | ** | - |
17 | ** GNU Lesser General Public License Usage | - |
18 | ** Alternatively, this file may be used under the terms of the GNU Lesser | - |
19 | ** General Public License version 2.1 as published by the Free Software | - |
20 | ** Foundation and appearing in the file LICENSE.LGPL included in the | - |
21 | ** packaging of this file. Please review the following information to | - |
22 | ** ensure the GNU Lesser General Public License version 2.1 requirements | - |
23 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. | - |
24 | ** | - |
25 | ** In addition, as a special exception, Digia gives you certain additional | - |
26 | ** rights. These rights are described in the Digia Qt LGPL Exception | - |
27 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. | - |
28 | ** | - |
29 | ** GNU General Public License Usage | - |
30 | ** Alternatively, this file may be used under the terms of the GNU | - |
31 | ** General Public License version 3.0 as published by the Free Software | - |
32 | ** Foundation and appearing in the file LICENSE.GPL included in the | - |
33 | ** packaging of this file. Please review the following information to | - |
34 | ** ensure the GNU General Public License version 3.0 requirements will be | - |
35 | ** met: http://www.gnu.org/copyleft/gpl.html. | - |
36 | ** | - |
37 | ** | - |
38 | ** $QT_END_LICENSE$ | - |
39 | ** | - |
40 | ****************************************************************************/ | - |
41 | | - |
42 | #include <qplatformdefs.h> | - |
43 | #include "private/qxbmhandler_p.h" | - |
44 | | - |
45 | #ifndef QT_NO_IMAGEFORMAT_XBM | - |
46 | | - |
47 | #include <qimage.h> | - |
48 | #include <qiodevice.h> | - |
49 | #include <qvariant.h> | - |
50 | | - |
51 | #include <stdio.h> | - |
52 | #include <ctype.h> | - |
53 | | - |
54 | QT_BEGIN_NAMESPACE | - |
55 | | - |
56 | /***************************************************************************** | - |
57 | X bitmap image read/write functions | - |
58 | *****************************************************************************/ | - |
59 | | - |
60 | static inline int hex2byte(register char *p) | - |
61 | { | - |
62 | return ((isdigit((uchar) *p) ? *p - '0' : toupper((uchar) *p) - 'A' + 10) << 4) | executed: return ((isdigit((uchar) *p) ? *p - '0' : toupper((uchar) *p) - 'A' + 10) << 4) | (isdigit((uchar) *(p+1)) ? *(p+1) - '0' : toupper((uchar) *(p+1)) - 'A' + 10); Execution Count:521400 | 521400 |
63 | (isdigit((uchar) *(p+1)) ? *(p+1) - '0' : toupper((uchar) *(p+1)) - 'A' + 10); executed: return ((isdigit((uchar) *p) ? *p - '0' : toupper((uchar) *p) - 'A' + 10) << 4) | (isdigit((uchar) *(p+1)) ? *(p+1) - '0' : toupper((uchar) *(p+1)) - 'A' + 10); Execution Count:521400 | 521400 |
64 | } | - |
65 | | - |
66 | static bool read_xbm_header(QIODevice *device, int& w, int& h) | - |
67 | { | - |
68 | const int buflen = 300; executed (the execution status of this line is deduced): const int buflen = 300; | - |
69 | const int maxlen = 4096; executed (the execution status of this line is deduced): const int maxlen = 4096; | - |
70 | char buf[buflen + 1]; executed (the execution status of this line is deduced): char buf[buflen + 1]; | - |
71 | QRegExp r1(QLatin1String("^#define[ \t]+[a-zA-Z0-9._]+[ \t]+")); executed (the execution status of this line is deduced): QRegExp r1(QLatin1String("^#define[ \t]+[a-zA-Z0-9._]+[ \t]+")); | - |
72 | QRegExp r2(QLatin1String("[0-9]+")); executed (the execution status of this line is deduced): QRegExp r2(QLatin1String("[0-9]+")); | - |
73 | | - |
74 | qint64 readBytes = 0; executed (the execution status of this line is deduced): qint64 readBytes = 0; | - |
75 | qint64 totalReadBytes = 0; executed (the execution status of this line is deduced): qint64 totalReadBytes = 0; | - |
76 | | - |
77 | buf[0] = '\0'; executed (the execution status of this line is deduced): buf[0] = '\0'; | - |
78 | | - |
79 | // skip initial comment, if any | - |
80 | while (buf[0] != '#') { evaluated: buf[0] != '#' yes Evaluation Count:2161 | yes Evaluation Count:64 |
| 64-2161 |
81 | readBytes = device->readLine(buf, buflen); executed (the execution status of this line is deduced): readBytes = device->readLine(buf, buflen); | - |
82 | | - |
83 | // if readBytes >= buflen, it's very probably not a C file | - |
84 | if (readBytes <= 0 || readBytes >= buflen -1) evaluated: readBytes <= 0 yes Evaluation Count:17 | yes Evaluation Count:2144 |
evaluated: readBytes >= buflen -1 yes Evaluation Count:10 | yes Evaluation Count:2134 |
| 10-2144 |
85 | return false; executed: return false; Execution Count:27 | 27 |
86 | | - |
87 | // limit xbm headers to the first 4k in the file to prevent | - |
88 | // excessive reads on non-xbm files | - |
89 | totalReadBytes += readBytes; executed (the execution status of this line is deduced): totalReadBytes += readBytes; | - |
90 | if (totalReadBytes >= maxlen) evaluated: totalReadBytes >= maxlen yes Evaluation Count:6 | yes Evaluation Count:2128 |
| 6-2128 |
91 | return false; executed: return false; Execution Count:6 | 6 |
92 | } executed: } Execution Count:2128 | 2128 |
93 | | - |
94 | buf[readBytes - 1] = '\0'; executed (the execution status of this line is deduced): buf[readBytes - 1] = '\0'; | - |
95 | QString sbuf; executed (the execution status of this line is deduced): QString sbuf; | - |
96 | sbuf = QString::fromLatin1(buf); executed (the execution status of this line is deduced): sbuf = QString::fromLatin1(buf); | - |
97 | | - |
98 | // "#define .._width <num>" | - |
99 | if (r1.indexIn(sbuf) == 0 && evaluated: r1.indexIn(sbuf) == 0 yes Evaluation Count:63 | yes Evaluation Count:1 |
| 1-63 |
100 | r2.indexIn(sbuf, r1.matchedLength()) == r1.matchedLength()) partially evaluated: r2.indexIn(sbuf, r1.matchedLength()) == r1.matchedLength() yes Evaluation Count:63 | no Evaluation Count:0 |
| 0-63 |
101 | w = QByteArray(&buf[r1.matchedLength()]).trimmed().toInt(); executed: w = QByteArray(&buf[r1.matchedLength()]).trimmed().toInt(); Execution Count:63 | 63 |
102 | | - |
103 | // "#define .._height <num>" | - |
104 | readBytes = device->readLine(buf, buflen); executed (the execution status of this line is deduced): readBytes = device->readLine(buf, buflen); | - |
105 | if (readBytes <= 0) partially evaluated: readBytes <= 0 no Evaluation Count:0 | yes Evaluation Count:64 |
| 0-64 |
106 | return false; never executed: return false; | 0 |
107 | buf[readBytes - 1] = '\0'; executed (the execution status of this line is deduced): buf[readBytes - 1] = '\0'; | - |
108 | | - |
109 | sbuf = QString::fromLatin1(buf); executed (the execution status of this line is deduced): sbuf = QString::fromLatin1(buf); | - |
110 | | - |
111 | if (r1.indexIn(sbuf) == 0 && evaluated: r1.indexIn(sbuf) == 0 yes Evaluation Count:63 | yes Evaluation Count:1 |
| 1-63 |
112 | r2.indexIn(sbuf, r1.matchedLength()) == r1.matchedLength()) partially evaluated: r2.indexIn(sbuf, r1.matchedLength()) == r1.matchedLength() yes Evaluation Count:63 | no Evaluation Count:0 |
| 0-63 |
113 | h = QByteArray(&buf[r1.matchedLength()]).trimmed().toInt(); executed: h = QByteArray(&buf[r1.matchedLength()]).trimmed().toInt(); Execution Count:63 | 63 |
114 | | - |
115 | // format error | - |
116 | if (w <= 0 || w > 32767 || h <= 0 || h > 32767) evaluated: w <= 0 yes Evaluation Count:1 | yes Evaluation Count:63 |
partially evaluated: w > 32767 no Evaluation Count:0 | yes Evaluation Count:63 |
partially evaluated: h <= 0 no Evaluation Count:0 | yes Evaluation Count:63 |
partially evaluated: h > 32767 no Evaluation Count:0 | yes Evaluation Count:63 |
| 0-63 |
117 | return false; executed: return false; Execution Count:1 | 1 |
118 | | - |
119 | return true; executed: return true; Execution Count:63 | 63 |
120 | } | - |
121 | | - |
122 | static bool read_xbm_body(QIODevice *device, int w, int h, QImage *outImage) | - |
123 | { | - |
124 | const int buflen = 300; executed (the execution status of this line is deduced): const int buflen = 300; | - |
125 | char buf[buflen + 1]; executed (the execution status of this line is deduced): char buf[buflen + 1]; | - |
126 | | - |
127 | qint64 readBytes = 0; executed (the execution status of this line is deduced): qint64 readBytes = 0; | - |
128 | | - |
129 | // scan for database | - |
130 | for (;;) { executed (the execution status of this line is deduced): for (;;) { | - |
131 | if ((readBytes = device->readLine(buf, buflen)) <= 0) { partially evaluated: (readBytes = device->readLine(buf, buflen)) <= 0 no Evaluation Count:0 | yes Evaluation Count:124 |
| 0-124 |
132 | // end of file | - |
133 | return false; never executed: return false; | 0 |
134 | } | - |
135 | | - |
136 | buf[readBytes] = '\0'; executed (the execution status of this line is deduced): buf[readBytes] = '\0'; | - |
137 | if (QByteArray::fromRawData(buf, readBytes).contains("0x")) evaluated: QByteArray::fromRawData(buf, readBytes).contains("0x") yes Evaluation Count:62 | yes Evaluation Count:62 |
| 62 |
138 | break; executed: break; Execution Count:62 | 62 |
139 | } executed: } Execution Count:62 | 62 |
140 | | - |
141 | if (outImage->size() != QSize(w, h) || outImage->format() != QImage::Format_MonoLSB) { partially evaluated: outImage->size() != QSize(w, h) yes Evaluation Count:62 | no Evaluation Count:0 |
never evaluated: outImage->format() != QImage::Format_MonoLSB | 0-62 |
142 | *outImage = QImage(w, h, QImage::Format_MonoLSB); executed (the execution status of this line is deduced): *outImage = QImage(w, h, QImage::Format_MonoLSB); | - |
143 | if (outImage->isNull()) partially evaluated: outImage->isNull() no Evaluation Count:0 | yes Evaluation Count:62 |
| 0-62 |
144 | return false; never executed: return false; | 0 |
145 | } executed: } Execution Count:62 | 62 |
146 | | - |
147 | outImage->setColorCount(2); executed (the execution status of this line is deduced): outImage->setColorCount(2); | - |
148 | outImage->setColor(0, qRgb(255,255,255)); // white executed (the execution status of this line is deduced): outImage->setColor(0, qRgb(255,255,255)); | - |
149 | outImage->setColor(1, qRgb(0,0,0)); // black executed (the execution status of this line is deduced): outImage->setColor(1, qRgb(0,0,0)); | - |
150 | | - |
151 | int x = 0, y = 0; executed (the execution status of this line is deduced): int x = 0, y = 0; | - |
152 | uchar *b = outImage->scanLine(0); executed (the execution status of this line is deduced): uchar *b = outImage->scanLine(0); | - |
153 | char *p = buf + QByteArray::fromRawData(buf, readBytes).indexOf("0x"); executed (the execution status of this line is deduced): char *p = buf + QByteArray::fromRawData(buf, readBytes).indexOf("0x"); | - |
154 | w = (w+7)/8; // byte width executed (the execution status of this line is deduced): w = (w+7)/8; | - |
155 | | - |
156 | while (y < h) { // for all encoded bytes... evaluated: y < h yes Evaluation Count:556115 | yes Evaluation Count:60 |
| 60-556115 |
157 | if (p) { // p = "0x.." evaluated: p yes Evaluation Count:521400 | yes Evaluation Count:34715 |
| 34715-521400 |
158 | *b++ = hex2byte(p+2); executed (the execution status of this line is deduced): *b++ = hex2byte(p+2); | - |
159 | p += 2; executed (the execution status of this line is deduced): p += 2; | - |
160 | if (++x == w && ++y < h) { evaluated: ++x == w yes Evaluation Count:15489 | yes Evaluation Count:505911 |
evaluated: ++y < h yes Evaluation Count:15429 | yes Evaluation Count:60 |
| 60-505911 |
161 | b = outImage->scanLine(y); executed (the execution status of this line is deduced): b = outImage->scanLine(y); | - |
162 | x = 0; executed (the execution status of this line is deduced): x = 0; | - |
163 | } executed: } Execution Count:15429 | 15429 |
164 | p = strstr(p, "0x"); executed (the execution status of this line is deduced): p = strstr(p, "0x"); | - |
165 | } else { // read another line executed: } Execution Count:521400 | 521400 |
166 | if ((readBytes = device->readLine(buf,buflen)) <= 0) // EOF ==> truncated image evaluated: (readBytes = device->readLine(buf,buflen)) <= 0 yes Evaluation Count:2 | yes Evaluation Count:34713 |
| 2-34713 |
167 | break; executed: break; Execution Count:2 | 2 |
168 | p = buf + QByteArray::fromRawData(buf, readBytes).indexOf("0x"); executed (the execution status of this line is deduced): p = buf + QByteArray::fromRawData(buf, readBytes).indexOf("0x"); | - |
169 | } executed: } Execution Count:34713 | 34713 |
170 | } | - |
171 | | - |
172 | return true; executed: return true; Execution Count:62 | 62 |
173 | } | - |
174 | | - |
175 | static bool read_xbm_image(QIODevice *device, QImage *outImage) | - |
176 | { | - |
177 | int w = 0, h = 0; executed (the execution status of this line is deduced): int w = 0, h = 0; | - |
178 | if (!read_xbm_header(device, w, h)) evaluated: !read_xbm_header(device, w, h) yes Evaluation Count:32 | yes Evaluation Count:18 |
| 18-32 |
179 | return false; executed: return false; Execution Count:32 | 32 |
180 | return read_xbm_body(device, w, h, outImage); executed: return read_xbm_body(device, w, h, outImage); Execution Count:18 | 18 |
181 | } | - |
182 | | - |
183 | static bool write_xbm_image(const QImage &sourceImage, QIODevice *device, const QString &fileName) | - |
184 | { | - |
185 | QImage image = sourceImage; executed (the execution status of this line is deduced): QImage image = sourceImage; | - |
186 | int w = image.width(); executed (the execution status of this line is deduced): int w = image.width(); | - |
187 | int h = image.height(); executed (the execution status of this line is deduced): int h = image.height(); | - |
188 | int i; executed (the execution status of this line is deduced): int i; | - |
189 | QString s = fileName; // get file base name executed (the execution status of this line is deduced): QString s = fileName; | - |
190 | int msize = s.length() + 100; executed (the execution status of this line is deduced): int msize = s.length() + 100; | - |
191 | char *buf = new char[msize]; executed (the execution status of this line is deduced): char *buf = new char[msize]; | - |
192 | | - |
193 | qsnprintf(buf, msize, "#define %s_width %d\n", s.toUtf8().data(), w); executed (the execution status of this line is deduced): qsnprintf(buf, msize, "#define %s_width %d\n", s.toUtf8().data(), w); | - |
194 | device->write(buf, qstrlen(buf)); executed (the execution status of this line is deduced): device->write(buf, qstrlen(buf)); | - |
195 | qsnprintf(buf, msize, "#define %s_height %d\n", s.toUtf8().data(), h); executed (the execution status of this line is deduced): qsnprintf(buf, msize, "#define %s_height %d\n", s.toUtf8().data(), h); | - |
196 | device->write(buf, qstrlen(buf)); executed (the execution status of this line is deduced): device->write(buf, qstrlen(buf)); | - |
197 | qsnprintf(buf, msize, "static char %s_bits[] = {\n ", s.toUtf8().data()); executed (the execution status of this line is deduced): qsnprintf(buf, msize, "static char %s_bits[] = {\n ", s.toUtf8().data()); | - |
198 | device->write(buf, qstrlen(buf)); executed (the execution status of this line is deduced): device->write(buf, qstrlen(buf)); | - |
199 | | - |
200 | if (image.format() != QImage::Format_MonoLSB) evaluated: image.format() != QImage::Format_MonoLSB yes Evaluation Count:1 | yes Evaluation Count:4 |
| 1-4 |
201 | image = image.convertToFormat(QImage::Format_MonoLSB); executed: image = image.convertToFormat(QImage::Format_MonoLSB); Execution Count:1 | 1 |
202 | | - |
203 | bool invert = qGray(image.color(0)) < qGray(image.color(1)); executed (the execution status of this line is deduced): bool invert = qGray(image.color(0)) < qGray(image.color(1)); | - |
204 | char hexrep[16]; executed (the execution status of this line is deduced): char hexrep[16]; | - |
205 | for (i=0; i<10; i++) evaluated: i<10 yes Evaluation Count:50 | yes Evaluation Count:5 |
| 5-50 |
206 | hexrep[i] = '0' + i; executed: hexrep[i] = '0' + i; Execution Count:50 | 50 |
207 | for (i=10; i<16; i++) evaluated: i<16 yes Evaluation Count:30 | yes Evaluation Count:5 |
| 5-30 |
208 | hexrep[i] = 'a' -10 + i; executed: hexrep[i] = 'a' -10 + i; Execution Count:30 | 30 |
209 | if (invert) { partially evaluated: invert no Evaluation Count:0 | yes Evaluation Count:5 |
| 0-5 |
210 | char t; never executed (the execution status of this line is deduced): char t; | - |
211 | for (i=0; i<8; i++) { | 0 |
212 | t = hexrep[15-i]; never executed (the execution status of this line is deduced): t = hexrep[15-i]; | - |
213 | hexrep[15-i] = hexrep[i]; never executed (the execution status of this line is deduced): hexrep[15-i] = hexrep[i]; | - |
214 | hexrep[i] = t; never executed (the execution status of this line is deduced): hexrep[i] = t; | - |
215 | } | 0 |
216 | } | 0 |
217 | int bcnt = 0; executed (the execution status of this line is deduced): int bcnt = 0; | - |
218 | register char *p = buf; executed (the execution status of this line is deduced): register char *p = buf; | - |
219 | int bpl = (w+7)/8; executed (the execution status of this line is deduced): int bpl = (w+7)/8; | - |
220 | for (int y = 0; y < h; ++y) { evaluated: y < h yes Evaluation Count:1156 | yes Evaluation Count:5 |
| 5-1156 |
221 | uchar *b = image.scanLine(y); executed (the execution status of this line is deduced): uchar *b = image.scanLine(y); | - |
222 | for (i = 0; i < bpl; ++i) { evaluated: i < bpl yes Evaluation Count:37640 | yes Evaluation Count:1156 |
| 1156-37640 |
223 | *p++ = '0'; *p++ = 'x'; executed (the execution status of this line is deduced): *p++ = '0'; *p++ = 'x'; | - |
224 | *p++ = hexrep[*b >> 4]; executed (the execution status of this line is deduced): *p++ = hexrep[*b >> 4]; | - |
225 | *p++ = hexrep[*b++ & 0xf]; executed (the execution status of this line is deduced): *p++ = hexrep[*b++ & 0xf]; | - |
226 | | - |
227 | if (i < bpl - 1 || y < h - 1) { evaluated: i < bpl - 1 yes Evaluation Count:36484 | yes Evaluation Count:1156 |
evaluated: y < h - 1 yes Evaluation Count:1151 | yes Evaluation Count:5 |
| 5-36484 |
228 | *p++ = ','; executed (the execution status of this line is deduced): *p++ = ','; | - |
229 | if (++bcnt > 14) { evaluated: ++bcnt > 14 yes Evaluation Count:2506 | yes Evaluation Count:35129 |
| 2506-35129 |
230 | *p++ = '\n'; executed (the execution status of this line is deduced): *p++ = '\n'; | - |
231 | *p++ = ' '; executed (the execution status of this line is deduced): *p++ = ' '; | - |
232 | *p = '\0'; executed (the execution status of this line is deduced): *p = '\0'; | - |
233 | if ((int)qstrlen(buf) != device->write(buf, qstrlen(buf))) { partially evaluated: (int)qstrlen(buf) != device->write(buf, qstrlen(buf)) no Evaluation Count:0 | yes Evaluation Count:2506 |
| 0-2506 |
234 | delete [] buf; never executed (the execution status of this line is deduced): delete [] buf; | - |
235 | return false; never executed: return false; | 0 |
236 | } | - |
237 | p = buf; executed (the execution status of this line is deduced): p = buf; | - |
238 | bcnt = 0; executed (the execution status of this line is deduced): bcnt = 0; | - |
239 | } executed: } Execution Count:2506 | 2506 |
240 | } executed: } Execution Count:37635 | 37635 |
241 | } executed: } Execution Count:37640 | 37640 |
242 | } executed: } Execution Count:1156 | 1156 |
243 | #if defined(_MSC_VER) && _MSC_VER >= 1400 | - |
244 | strcpy_s(p, sizeof(" };\n"), " };\n"); | - |
245 | #else | - |
246 | strcpy(p, " };\n"); executed (the execution status of this line is deduced): strcpy(p, " };\n"); | - |
247 | #endif | - |
248 | if ((int)qstrlen(buf) != device->write(buf, qstrlen(buf))) { partially evaluated: (int)qstrlen(buf) != device->write(buf, qstrlen(buf)) no Evaluation Count:0 | yes Evaluation Count:5 |
| 0-5 |
249 | delete [] buf; never executed (the execution status of this line is deduced): delete [] buf; | - |
250 | return false; never executed: return false; | 0 |
251 | } | - |
252 | | - |
253 | delete [] buf; executed (the execution status of this line is deduced): delete [] buf; | - |
254 | return true; executed: return true; Execution Count:5 | 5 |
255 | } | - |
256 | | - |
257 | QXbmHandler::QXbmHandler() | - |
258 | : state(Ready) | - |
259 | { | - |
260 | } executed: } Execution Count:57 | 57 |
261 | | - |
262 | bool QXbmHandler::readHeader() | - |
263 | { | - |
264 | state = Error; executed (the execution status of this line is deduced): state = Error; | - |
265 | if (!read_xbm_header(device(), width, height)) evaluated: !read_xbm_header(device(), width, height) yes Evaluation Count:2 | yes Evaluation Count:45 |
| 2-45 |
266 | return false; executed: return false; Execution Count:2 | 2 |
267 | state = ReadHeader; executed (the execution status of this line is deduced): state = ReadHeader; | - |
268 | return true; executed: return true; Execution Count:45 | 45 |
269 | } | - |
270 | | - |
271 | bool QXbmHandler::canRead() const | - |
272 | { | - |
273 | if (state == Ready && !canRead(device())) evaluated: state == Ready yes Evaluation Count:19 | yes Evaluation Count:2 |
evaluated: !canRead(device()) yes Evaluation Count:5 | yes Evaluation Count:14 |
| 2-19 |
274 | return false; executed: return false; Execution Count:5 | 5 |
275 | | - |
276 | if (state != Error) { partially evaluated: state != Error yes Evaluation Count:16 | no Evaluation Count:0 |
| 0-16 |
277 | setFormat("xbm"); executed (the execution status of this line is deduced): setFormat("xbm"); | - |
278 | return true; executed: return true; Execution Count:16 | 16 |
279 | } | - |
280 | | - |
281 | return false; never executed: return false; | 0 |
282 | } | - |
283 | | - |
284 | bool QXbmHandler::canRead(QIODevice *device) | - |
285 | { | - |
286 | QImage image; executed (the execution status of this line is deduced): QImage image; | - |
287 | | - |
288 | // it's impossible to tell whether we can load an XBM or not when | - |
289 | // it's from a sequential device, as the only way to do it is to | - |
290 | // attempt to parse the whole image. | - |
291 | if (device->isSequential()) evaluated: device->isSequential() yes Evaluation Count:2 | yes Evaluation Count:50 |
| 2-50 |
292 | return false; executed: return false; Execution Count:2 | 2 |
293 | | - |
294 | qint64 oldPos = device->pos(); executed (the execution status of this line is deduced): qint64 oldPos = device->pos(); | - |
295 | bool success = read_xbm_image(device, &image); executed (the execution status of this line is deduced): bool success = read_xbm_image(device, &image); | - |
296 | device->seek(oldPos); executed (the execution status of this line is deduced): device->seek(oldPos); | - |
297 | | - |
298 | return success; executed: return success; Execution Count:50 | 50 |
299 | } | - |
300 | | - |
301 | bool QXbmHandler::read(QImage *image) | - |
302 | { | - |
303 | if (state == Error) partially evaluated: state == Error no Evaluation Count:0 | yes Evaluation Count:46 |
| 0-46 |
304 | return false; never executed: return false; | 0 |
305 | | - |
306 | if (state == Ready && !readHeader()) { evaluated: state == Ready yes Evaluation Count:45 | yes Evaluation Count:1 |
evaluated: !readHeader() yes Evaluation Count:2 | yes Evaluation Count:43 |
| 1-45 |
307 | state = Error; executed (the execution status of this line is deduced): state = Error; | - |
308 | return false; executed: return false; Execution Count:2 | 2 |
309 | } | - |
310 | | - |
311 | if (!read_xbm_body(device(), width, height, image)) { partially evaluated: !read_xbm_body(device(), width, height, image) no Evaluation Count:0 | yes Evaluation Count:44 |
| 0-44 |
312 | state = Error; never executed (the execution status of this line is deduced): state = Error; | - |
313 | return false; never executed: return false; | 0 |
314 | } | - |
315 | | - |
316 | state = Ready; executed (the execution status of this line is deduced): state = Ready; | - |
317 | return true; executed: return true; Execution Count:44 | 44 |
318 | } | - |
319 | | - |
320 | bool QXbmHandler::write(const QImage &image) | - |
321 | { | - |
322 | return write_xbm_image(image, device(), fileName); executed: return write_xbm_image(image, device(), fileName); Execution Count:5 | 5 |
323 | } | - |
324 | | - |
325 | bool QXbmHandler::supportsOption(ImageOption option) const | - |
326 | { | - |
327 | return option == Name executed: return option == Name || option == Size || option == ImageFormat; Execution Count:339 | 339 |
328 | || option == Size executed: return option == Name || option == Size || option == ImageFormat; Execution Count:339 | 339 |
329 | || option == ImageFormat; executed: return option == Name || option == Size || option == ImageFormat; Execution Count:339 | 339 |
330 | } | - |
331 | | - |
332 | QVariant QXbmHandler::option(ImageOption option) const | - |
333 | { | - |
334 | if (option == Name) { partially evaluated: option == Name no Evaluation Count:0 | yes Evaluation Count:3 |
| 0-3 |
335 | return fileName; never executed: return fileName; | 0 |
336 | } else if (option == Size) { evaluated: option == Size yes Evaluation Count:2 | yes Evaluation Count:1 |
| 1-2 |
337 | if (state == Error) partially evaluated: state == Error no Evaluation Count:0 | yes Evaluation Count:2 |
| 0-2 |
338 | return QVariant(); never executed: return QVariant(); | 0 |
339 | if (state == Ready && !const_cast<QXbmHandler*>(this)->readHeader()) partially evaluated: state == Ready yes Evaluation Count:2 | no Evaluation Count:0 |
partially evaluated: !const_cast<QXbmHandler*>(this)->readHeader() no Evaluation Count:0 | yes Evaluation Count:2 |
| 0-2 |
340 | return QVariant(); never executed: return QVariant(); | 0 |
341 | return QSize(width, height); executed: return QSize(width, height); Execution Count:2 | 2 |
342 | } else if (option == ImageFormat) { partially evaluated: option == ImageFormat yes Evaluation Count:1 | no Evaluation Count:0 |
| 0-1 |
343 | return QImage::Format_MonoLSB; executed: return QImage::Format_MonoLSB; Execution Count:1 | 1 |
344 | } | - |
345 | return QVariant(); never executed: return QVariant(); | 0 |
346 | } | - |
347 | | - |
348 | void QXbmHandler::setOption(ImageOption option, const QVariant &value) | - |
349 | { | - |
350 | if (option == Name) partially evaluated: option == Name no Evaluation Count:0 | yes Evaluation Count:53 |
| 0-53 |
351 | fileName = value.toString(); never executed: fileName = value.toString(); | 0 |
352 | } executed: } Execution Count:53 | 53 |
353 | | - |
354 | QByteArray QXbmHandler::name() const | - |
355 | { | - |
356 | return "xbm"; never executed: return "xbm"; | 0 |
357 | } | - |
358 | | - |
359 | QT_END_NAMESPACE | - |
360 | | - |
361 | #endif // QT_NO_IMAGEFORMAT_XBM | - |
362 | | - |
| | |