qglcolormap.cpp

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4QGLColormap::QGLColormapData QGLColormap::shared_null = { { 1 }, 0, 0 };-
5-
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9QGLColormap::QGLColormap()-
10 : d(&shared_null)-
11{-
12 d->ref.ref();-
13}
executed 12 times by 3 tests: end of block
Executed by:
  • tst_qglbuffer - unknown status
  • tst_qglfunctions - unknown status
  • tst_qmdiarea - unknown status
12
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19QGLColormap::QGLColormap(const QGLColormap &map)-
20 : d(map.d)-
21{-
22 d->ref.ref();-
23}
never executed: end of block
0
24-
25-
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29QGLColormap::~QGLColormap()-
30{-
31 if (!d->ref.deref()
!d->ref.deref()Description
TRUEnever evaluated
FALSEevaluated 12 times by 3 tests
Evaluated by:
  • tst_qglbuffer - unknown status
  • tst_qglfunctions - unknown status
  • tst_qmdiarea - unknown status
)		0-12
32 cleanup(d);
never executed: cleanup(d);
0
33}
executed 12 times by 3 tests: end of block
Executed by:
  • tst_qglbuffer - unknown status
  • tst_qglfunctions - unknown status
  • tst_qmdiarea - unknown status
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34-
35void QGLColormap::cleanup(QGLColormap::QGLColormapData *x)-
36{-
37 delete x->cells;-
38 x->cells = 0;-
39 delete x;-
40}
never executed: end of block
0
41-
42-
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45QGLColormap & QGLColormap::operator=(const QGLColormap &map)-
46{-
47 map.d->ref.ref();-
48 if (!d->ref.deref()
!d->ref.deref()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
49 cleanup(d);
never executed: cleanup(d);
0
50 d = map.d;-
51 return
never executed: return *this;
 *this;
never executed: return *this;
0
52}-
53void QGLColormap::detach_helper()-
54{-
55 QGLColormapData *x = new QGLColormapData;-
56 x->ref.store(1);-
57 x->cmapHandle = 0;-
58 x->cells = 0;-
59 if (d->cells
d->cellsDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
60 x->cells = new QVector<QRgb>(256);-
61 *x->cells = *d->cells;-
62 }
never executed: end of block
0
63 if (!d->ref.deref()
!d->ref.deref()Description
TRUEnever evaluated
FALSEnever evaluated
)		0
64 cleanup(d);
never executed: cleanup(d);
0
65 d = x;-
66}
never executed: end of block
0
67-
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69-
70-
71void QGLColormap::setEntry(int idx, QRgb color)-
72{-
73 detach();-
74 if (!d->cells
!d->cellsDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
75 d->cells = new QVector<QRgb>(256);
never executed: d->cells = new QVector<QRgb>(256);
0
76 d->cells->replace(idx, color);-
77}
never executed: end of block
0
78-
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84-
85void QGLColormap::setEntries(int count, const QRgb *colors, int base)-
86{-
87 detach();-
88 if (!d->cells
!d->cellsDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
89 d->cells = new QVector<QRgb>(256);
never executed: d->cells = new QVector<QRgb>(256);
0
90-
91 ((!(colors && base >= 0 && (base + count) <= d->cells->size())) ? qt_assert_x("QGLColormap::setEntries", "preconditions not met",-
92 __FILE__-
93 ,-
94 192-
95 ) : qt_noop())-
96 ;-
97 for (int i = 0; i < count
i < countDescription
TRUEnever evaluated
FALSEnever evaluated
; ++i)		0
98 setEntry(base + i, colors[i]);
never executed: setEntry(base + i, colors[i]);
0
99}
never executed: end of block
0
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104QRgb QGLColormap::entryRgb(int idx) const-
105{-
106 if (d == &shared_null
d == &shared_nullDescription
TRUEnever evaluated
FALSEnever evaluated
 || !d->cells
!d->cellsDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
107 return
never executed: return 0;
 0;
never executed: return 0;
0
108 else-
109 return
never executed: return d->cells->at(idx);
 d->cells->at(idx);
never executed: return d->cells->at(idx);
0
110}-
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117void QGLColormap::setEntry(int idx, const QColor &color)-
118{-
119 setEntry(idx, color.rgb());-
120}
never executed: end of block
0
121-
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125QColor QGLColormap::entryColor(int idx) const-
126{-
127 if (d == &shared_null
d == &shared_nullDescription
TRUEnever evaluated
FALSEnever evaluated
 || !d->cells
!d->cellsDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
128 return
never executed: return QColor();
 QColor();
never executed: return QColor();
0
129 else-
130 return
never executed: return QColor(d->cells->at(idx));
 QColor(d->cells->at(idx));
never executed: return QColor(d->cells->at(idx));
0
131}-
132bool QGLColormap::isEmpty() const-
133{-
134 return
never executed: return d == &shared_null || d->cells == 0 || d->cells->size() == 0 || d->cmapHandle == 0;
 d == &shared_null || d->cells == 0 || d->cells->size() == 0 || d->cmapHandle == 0;
never executed: return d == &shared_null || d->cells == 0 || d->cells->size() == 0 || d->cmapHandle == 0;
0
135}-
136-
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140-
141int QGLColormap::size() const-
142{-
143 return
never executed: return d->cells ? d->cells->size() : 0;
 d->cells ? d->cells->size() : 0;
never executed: return d->cells ? d->cells->size() : 0;
0
144}-
145-
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150int QGLColormap::find(QRgb color) const-
151{-
152 if (d->cells
d->cellsDescription
TRUEnever evaluated
FALSEnever evaluated
)		0
153 return
never executed: return d->cells->indexOf(color);
 d->cells->indexOf(color);
never executed: return d->cells->indexOf(color);
0
154 return
never executed: return -1;
 -1;
never executed: return -1;
0
155}-
156-
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161int QGLColormap::findNearest(QRgb color) const-
162{-
163 int idx = find(color);-
164 if (idx >= 0
idx >= 0Description
TRUEnever evaluated
FALSEnever evaluated
)		0
165 return
never executed: return idx;
 idx;
never executed: return idx;
0
166 int mapSize = size();-
167 int mindist = 200000;-
168 int r = qRed(color);-
169 int g = qGreen(color);-
170 int b = qBlue(color);-
171 int rx, gx, bx, dist;-
172 for (int i = 0; i < mapSize
i < mapSizeDescription
TRUEnever evaluated
FALSEnever evaluated
; ++i) {		0
173 QRgb ci = d->cells->at(i);-
174 rx = r - qRed(ci);-
175 gx = g - qGreen(ci);-
176 bx = b - qBlue(ci);-
177 dist = rx * rx + gx * gx + bx * bx;-
178 if (dist < mindist
dist < mindistDescription
TRUEnever evaluated
FALSEnever evaluated
) {		0
179 mindist = dist;-
180 idx = i;-
181 }
never executed: end of block
0
182 }
never executed: end of block
0
183 return
never executed: return idx;
 idx;
never executed: return idx;
0
184}-
185-
186-
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