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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 "qcolormap.h" | - |
43 | #include "qcolor.h" | - |
44 | #include "qpaintdevice.h" | - |
45 | #include "qscreen.h" | - |
46 | #include "qguiapplication.h" | - |
47 | | - |
48 | QT_BEGIN_NAMESPACE | - |
49 | | - |
50 | class QColormapPrivate | - |
51 | { | - |
52 | public: | - |
53 | inline QColormapPrivate() | - |
54 | : ref(1), mode(QColormap::Direct), depth(0), numcolors(0) | - |
55 | { } executed: } Execution Count:215 | 215 |
56 | | - |
57 | QAtomicInt ref; | - |
58 | | - |
59 | QColormap::Mode mode; | - |
60 | int depth; | - |
61 | int numcolors; | - |
62 | }; | - |
63 | | - |
64 | static QColormapPrivate *screenMap = 0; | - |
65 | | - |
66 | void QColormap::initialize() | - |
67 | { | - |
68 | screenMap = new QColormapPrivate; executed (the execution status of this line is deduced): screenMap = new QColormapPrivate; | - |
69 | | - |
70 | screenMap->depth = QGuiApplication::primaryScreen()->depth(); executed (the execution status of this line is deduced): screenMap->depth = QGuiApplication::primaryScreen()->depth(); | - |
71 | if (screenMap->depth < 8) { partially evaluated: screenMap->depth < 8 no Evaluation Count:0 | yes Evaluation Count:215 |
| 0-215 |
72 | screenMap->mode = QColormap::Indexed; never executed (the execution status of this line is deduced): screenMap->mode = QColormap::Indexed; | - |
73 | screenMap->numcolors = 256; never executed (the execution status of this line is deduced): screenMap->numcolors = 256; | - |
74 | } else { | 0 |
75 | screenMap->mode = QColormap::Direct; executed (the execution status of this line is deduced): screenMap->mode = QColormap::Direct; | - |
76 | screenMap->numcolors = -1; executed (the execution status of this line is deduced): screenMap->numcolors = -1; | - |
77 | } executed: } Execution Count:215 | 215 |
78 | } | - |
79 | | - |
80 | void QColormap::cleanup() | - |
81 | { | - |
82 | delete screenMap; executed (the execution status of this line is deduced): delete screenMap; | - |
83 | screenMap = 0; executed (the execution status of this line is deduced): screenMap = 0; | - |
84 | } executed: } Execution Count:213 | 213 |
85 | | - |
86 | QColormap QColormap::instance(int /*screen*/) | - |
87 | { | - |
88 | return QColormap(); executed: return QColormap(); Execution Count:79 | 79 |
89 | } | - |
90 | | - |
91 | QColormap::QColormap() | - |
92 | : d(screenMap) | - |
93 | { d->ref.ref(); } executed: } Execution Count:79 | 79 |
94 | | - |
95 | QColormap::QColormap(const QColormap &colormap) | - |
96 | :d (colormap.d) | - |
97 | { d->ref.ref(); } | 0 |
98 | | - |
99 | QColormap::~QColormap() | - |
100 | { | - |
101 | if (!d->ref.deref()) partially evaluated: !d->ref.deref() no Evaluation Count:0 | yes Evaluation Count:79 |
| 0-79 |
102 | delete d; never executed: delete d; | 0 |
103 | } executed: } Execution Count:79 | 79 |
104 | | - |
105 | QColormap::Mode QColormap::mode() const | - |
106 | { return d->mode; } never executed: return d->mode; | 0 |
107 | | - |
108 | | - |
109 | int QColormap::depth() const | - |
110 | { return d->depth; } executed: return d->depth; Execution Count:79 | 79 |
111 | | - |
112 | | - |
113 | int QColormap::size() const | - |
114 | { | - |
115 | return d->numcolors; never executed: return d->numcolors; | 0 |
116 | } | - |
117 | | - |
118 | #ifndef QT_QWS_DEPTH16_RGB | - |
119 | #define QT_QWS_DEPTH16_RGB 565 | - |
120 | #endif | - |
121 | static const int qt_rbits = (QT_QWS_DEPTH16_RGB/100); | - |
122 | static const int qt_gbits = (QT_QWS_DEPTH16_RGB/10%10); | - |
123 | static const int qt_bbits = (QT_QWS_DEPTH16_RGB%10); | - |
124 | static const int qt_red_shift = qt_bbits+qt_gbits-(8-qt_rbits); | - |
125 | static const int qt_green_shift = qt_bbits-(8-qt_gbits); | - |
126 | static const int qt_neg_blue_shift = 8-qt_bbits; | - |
127 | static const int qt_blue_mask = (1<<qt_bbits)-1; | - |
128 | static const int qt_green_mask = (1<<(qt_gbits+qt_bbits))-(1<<qt_bbits); | - |
129 | static const int qt_red_mask = (1<<(qt_rbits+qt_gbits+qt_bbits))-(1<<(qt_gbits+qt_bbits)); | - |
130 | | - |
131 | static const int qt_red_rounding_shift = qt_red_shift + qt_rbits; | - |
132 | static const int qt_green_rounding_shift = qt_green_shift + qt_gbits; | - |
133 | static const int qt_blue_rounding_shift = qt_bbits - qt_neg_blue_shift; | - |
134 | | - |
135 | inline ushort qt_convRgbTo16(QRgb c) | - |
136 | { | - |
137 | const int tr = qRed(c) << qt_red_shift; never executed (the execution status of this line is deduced): const int tr = qRed(c) << qt_red_shift; | - |
138 | const int tg = qGreen(c) << qt_green_shift; never executed (the execution status of this line is deduced): const int tg = qGreen(c) << qt_green_shift; | - |
139 | const int tb = qBlue(c) >> qt_neg_blue_shift; never executed (the execution status of this line is deduced): const int tb = qBlue(c) >> qt_neg_blue_shift; | - |
140 | | - |
141 | return (tb & qt_blue_mask) | (tg & qt_green_mask) | (tr & qt_red_mask); never executed: return (tb & qt_blue_mask) | (tg & qt_green_mask) | (tr & qt_red_mask); | 0 |
142 | } | - |
143 | | - |
144 | inline QRgb qt_conv16ToRgb(ushort c) | - |
145 | { | - |
146 | const int r=(c & qt_red_mask); never executed (the execution status of this line is deduced): const int r=(c & qt_red_mask); | - |
147 | const int g=(c & qt_green_mask); never executed (the execution status of this line is deduced): const int g=(c & qt_green_mask); | - |
148 | const int b=(c & qt_blue_mask); never executed (the execution status of this line is deduced): const int b=(c & qt_blue_mask); | - |
149 | const int tr = r >> qt_red_shift | r >> qt_red_rounding_shift; never executed (the execution status of this line is deduced): const int tr = r >> qt_red_shift | r >> qt_red_rounding_shift; | - |
150 | const int tg = g >> qt_green_shift | g >> qt_green_rounding_shift; never executed (the execution status of this line is deduced): const int tg = g >> qt_green_shift | g >> qt_green_rounding_shift; | - |
151 | const int tb = b << qt_neg_blue_shift | b >> qt_blue_rounding_shift; never executed (the execution status of this line is deduced): const int tb = b << qt_neg_blue_shift | b >> qt_blue_rounding_shift; | - |
152 | | - |
153 | return qRgb(tr,tg,tb); never executed: return qRgb(tr,tg,tb); | 0 |
154 | } | - |
155 | | - |
156 | uint QColormap::pixel(const QColor &color) const | - |
157 | { | - |
158 | QRgb rgb = color.rgba(); never executed (the execution status of this line is deduced): QRgb rgb = color.rgba(); | - |
159 | if (d->mode == QColormap::Direct) { never evaluated: d->mode == QColormap::Direct | 0 |
160 | switch(d->depth) { | - |
161 | case 16: | - |
162 | return qt_convRgbTo16(rgb); never executed: return qt_convRgbTo16(rgb); | 0 |
163 | case 24: | - |
164 | case 32: | - |
165 | { | - |
166 | const int r = qRed(rgb); never executed (the execution status of this line is deduced): const int r = qRed(rgb); | - |
167 | const int g = qGreen(rgb); never executed (the execution status of this line is deduced): const int g = qGreen(rgb); | - |
168 | const int b = qBlue(rgb); never executed (the execution status of this line is deduced): const int b = qBlue(rgb); | - |
169 | const int red_shift = 16; never executed (the execution status of this line is deduced): const int red_shift = 16; | - |
170 | const int green_shift = 8; never executed (the execution status of this line is deduced): const int green_shift = 8; | - |
171 | const int red_mask = 0xff0000; never executed (the execution status of this line is deduced): const int red_mask = 0xff0000; | - |
172 | const int green_mask = 0x00ff00; never executed (the execution status of this line is deduced): const int green_mask = 0x00ff00; | - |
173 | const int blue_mask = 0x0000ff; never executed (the execution status of this line is deduced): const int blue_mask = 0x0000ff; | - |
174 | const int tg = g << green_shift; never executed (the execution status of this line is deduced): const int tg = g << green_shift; | - |
175 | #ifdef QT_QWS_DEPTH_32_BGR | - |
176 | if (qt_screen->pixelType() == QScreen::BGRPixel) { | - |
177 | const int tb = b << red_shift; | - |
178 | return 0xff000000 | (r & blue_mask) | (tg & green_mask) | (tb & red_mask); | - |
179 | } | - |
180 | #endif | - |
181 | const int tr = r << red_shift; never executed (the execution status of this line is deduced): const int tr = r << red_shift; | - |
182 | return 0xff000000 | (b & blue_mask) | (tg & green_mask) | (tr & red_mask); never executed: return 0xff000000 | (b & blue_mask) | (tg & green_mask) | (tr & red_mask); | 0 |
183 | } | - |
184 | } | - |
185 | } | 0 |
186 | //XXX | - |
187 | //return qt_screen->alloc(qRed(rgb), qGreen(rgb), qBlue(rgb)); | - |
188 | return 0; never executed: return 0; | 0 |
189 | } | - |
190 | | - |
191 | const QColor QColormap::colorAt(uint pixel) const | - |
192 | { | - |
193 | if (d->mode == Direct) { never evaluated: d->mode == Direct | 0 |
194 | if (d->depth == 16) { never evaluated: d->depth == 16 | 0 |
195 | pixel = qt_conv16ToRgb(pixel); never executed (the execution status of this line is deduced): pixel = qt_conv16ToRgb(pixel); | - |
196 | } | 0 |
197 | const int red_shift = 16; never executed (the execution status of this line is deduced): const int red_shift = 16; | - |
198 | const int green_shift = 8; never executed (the execution status of this line is deduced): const int green_shift = 8; | - |
199 | const int red_mask = 0xff0000; never executed (the execution status of this line is deduced): const int red_mask = 0xff0000; | - |
200 | const int green_mask = 0x00ff00; never executed (the execution status of this line is deduced): const int green_mask = 0x00ff00; | - |
201 | const int blue_mask = 0x0000ff; never executed (the execution status of this line is deduced): const int blue_mask = 0x0000ff; | - |
202 | #ifdef QT_QWS_DEPTH_32_BGR | - |
203 | if (qt_screen->pixelType() == QScreen::BGRPixel) { | - |
204 | return QColor((pixel & blue_mask), | - |
205 | (pixel & green_mask) >> green_shift, | - |
206 | (pixel & red_mask) >> red_shift); | - |
207 | } | - |
208 | #endif | - |
209 | return QColor((pixel & red_mask) >> red_shift, never executed: return QColor((pixel & red_mask) >> red_shift, (pixel & green_mask) >> green_shift, (pixel & blue_mask)); | 0 |
210 | (pixel & green_mask) >> green_shift, never executed: return QColor((pixel & red_mask) >> red_shift, (pixel & green_mask) >> green_shift, (pixel & blue_mask)); | 0 |
211 | (pixel & blue_mask)); never executed: return QColor((pixel & red_mask) >> red_shift, (pixel & green_mask) >> green_shift, (pixel & blue_mask)); | 0 |
212 | } | - |
213 | #if 0 // XXX | - |
214 | Q_ASSERT_X(int(pixel) < qt_screen->numCols(), "QColormap::colorAt", "pixel out of bounds of palette"); | - |
215 | return QColor(qt_screen->clut()[pixel]); | - |
216 | #endif | - |
217 | return QColor(); never executed: return QColor(); | 0 |
218 | } | - |
219 | | - |
220 | const QVector<QColor> QColormap::colormap() const | - |
221 | { | - |
222 | return QVector<QColor>(); never executed: return QVector<QColor>(); | 0 |
223 | } | - |
224 | | - |
225 | QColormap &QColormap::operator=(const QColormap &colormap) | - |
226 | { qAtomicAssign(d, colormap.d); return *this; } never executed: return *this; | 0 |
227 | | - |
228 | QT_END_NAMESPACE | - |
229 | | - |
| | |