summaryrefslogtreecommitdiffstats
path: root/src/gui/painting/qdrawhelper_p.h
blob: 62e9522afbdb4ed2ac867d7df8c9936e2de631e0 (plain)
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
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QDRAWHELPER_P_H
#define QDRAWHELPER_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include "QtCore/qglobal.h"
#include "QtGui/qcolor.h"
#include "QtGui/qpainter.h"
#include "QtGui/qimage.h"
#ifndef QT_FT_BEGIN_HEADER
#define QT_FT_BEGIN_HEADER
#define QT_FT_END_HEADER
#endif
#include "private/qrasterdefs_p.h"
#include <private/qsimd_p.h>
#include <private/qmath_p.h>

#ifdef Q_WS_QWS
#include "QtGui/qscreen_qws.h"
#endif

QT_BEGIN_NAMESPACE

#if defined(Q_CC_MSVC) && _MSCVER <= 1300 && !defined(Q_CC_INTEL)
#define Q_STATIC_TEMPLATE_SPECIALIZATION static
#else
#define Q_STATIC_TEMPLATE_SPECIALIZATION
#endif

#if defined(Q_CC_RVCT)
// RVCT doesn't like static template functions
#  define Q_STATIC_TEMPLATE_FUNCTION
#  define Q_STATIC_INLINE_FUNCTION static __forceinline
#else
#  define Q_STATIC_TEMPLATE_FUNCTION static
#  define Q_STATIC_INLINE_FUNCTION static inline
#endif

static const uint AMASK = 0xff000000;
static const uint RMASK = 0x00ff0000;
static const uint GMASK = 0x0000ff00;
static const uint BMASK = 0x000000ff;

/*******************************************************************************
 * QSpan
 *
 * duplicate definition of FT_Span
 */
typedef QT_FT_Span QSpan;

struct QSolidData;
struct QTextureData;
struct QGradientData;
struct QLinearGradientData;
struct QRadialGradientData;
struct QConicalGradientData;
struct QSpanData;
class QGradient;
class QRasterBuffer;
class QClipData;
class QRasterPaintEngineState;

typedef QT_FT_SpanFunc ProcessSpans;
typedef void (*BitmapBlitFunc)(QRasterBuffer *rasterBuffer,
                               int x, int y, quint32 color,
                               const uchar *bitmap,
                               int mapWidth, int mapHeight, int mapStride);

typedef void (*AlphamapBlitFunc)(QRasterBuffer *rasterBuffer,
                                 int x, int y, quint32 color,
                                 const uchar *bitmap,
                                 int mapWidth, int mapHeight, int mapStride,
                                 const QClipData *clip);

typedef void (*AlphaRGBBlitFunc)(QRasterBuffer *rasterBuffer,
                                 int x, int y, quint32 color,
                                 const uint *rgbmask,
                                 int mapWidth, int mapHeight, int mapStride,
                                 const QClipData *clip);

typedef void (*RectFillFunc)(QRasterBuffer *rasterBuffer,
                             int x, int y, int width, int height,
                             quint32 color);

typedef void (*SrcOverBlendFunc)(uchar *destPixels, int dbpl,
                                 const uchar *src, int spbl,
                                 int w, int h,
                                 int const_alpha);

typedef void (*SrcOverScaleFunc)(uchar *destPixels, int dbpl,
                                 const uchar *src, int spbl,
                                 const QRectF &targetRect,
                                 const QRectF &sourceRect,
                                 const QRect &clipRect,
                                 int const_alpha);

typedef void (*SrcOverTransformFunc)(uchar *destPixels, int dbpl,
                                     const uchar *src, int spbl,
                                     const QRectF &targetRect,
                                     const QRectF &sourceRect,
                                     const QRect &clipRect,
                                     const QTransform &targetRectTransform,
                                     int const_alpha);

typedef void (*MemRotateFunc)(const uchar *srcPixels, int w, int h, int sbpl, uchar *destPixels, int dbpl);

struct DrawHelper {
    ProcessSpans blendColor;
    ProcessSpans blendGradient;
    BitmapBlitFunc bitmapBlit;
    AlphamapBlitFunc alphamapBlit;
    AlphaRGBBlitFunc alphaRGBBlit;
    RectFillFunc fillRect;
};

extern SrcOverBlendFunc qBlendFunctions[QImage::NImageFormats][QImage::NImageFormats];
extern SrcOverScaleFunc qScaleFunctions[QImage::NImageFormats][QImage::NImageFormats];
extern SrcOverTransformFunc qTransformFunctions[QImage::NImageFormats][QImage::NImageFormats];
extern MemRotateFunc qMemRotateFunctions[QImage::NImageFormats][3];

extern DrawHelper qDrawHelper[QImage::NImageFormats];

void qBlendTexture(int count, const QSpan *spans, void *userData);
#if defined(Q_WS_QWS) && !defined(QT_NO_RASTERCALLBACKS)
extern DrawHelper qDrawHelperCallback[QImage::NImageFormats];
void qBlendTextureCallback(int count, const QSpan *spans, void *userData);
#endif

typedef void (QT_FASTCALL *CompositionFunction)(uint *dest, const uint *src, int length, uint const_alpha);
typedef void (QT_FASTCALL *CompositionFunctionSolid)(uint *dest, int length, uint color, uint const_alpha);

struct LinearGradientValues
{
    qreal dx;
    qreal dy;
    qreal l;
    qreal off;
};

struct RadialGradientValues
{
    qreal dx;
    qreal dy;
    qreal dr;
    qreal sqrfr;
    qreal a;
    qreal inv2a;
    bool extended;
};

struct Operator;
typedef uint* (QT_FASTCALL *DestFetchProc)(uint *buffer, QRasterBuffer *rasterBuffer, int x, int y, int length);
typedef void (QT_FASTCALL *DestStoreProc)(QRasterBuffer *rasterBuffer, int x, int y, const uint *buffer, int length);
typedef const uint* (QT_FASTCALL *SourceFetchProc)(uint *buffer, const Operator *o, const QSpanData *data, int y, int x, int length);

struct Operator
{
    QPainter::CompositionMode mode;
    DestFetchProc dest_fetch;
    DestStoreProc dest_store;
    SourceFetchProc src_fetch;
    CompositionFunctionSolid funcSolid;
    CompositionFunction func;
    union {
        LinearGradientValues linear;
        RadialGradientValues radial;
    };
};

void qInitDrawhelperAsm();

class QRasterPaintEngine;

struct QSolidData
{
    uint color;
};

struct QLinearGradientData
{
    struct {
        qreal x;
        qreal y;
    } origin;
    struct {
        qreal x;
        qreal y;
    } end;
};

struct QRadialGradientData
{
    struct {
        qreal x;
        qreal y;
        qreal radius;
    } center;
    struct {
        qreal x;
        qreal y;
        qreal radius;
    } focal;
};

struct QConicalGradientData
{
    struct {
        qreal x;
        qreal y;
    } center;
    qreal angle;
};

struct QGradientData
{
    QGradient::Spread spread;

    union {
        QLinearGradientData linear;
        QRadialGradientData radial;
        QConicalGradientData conical;
    };

#ifdef Q_WS_QWS
#define GRADIENT_STOPTABLE_SIZE 256
#define GRADIENT_STOPTABLE_SIZE_SHIFT 8
#else
#define GRADIENT_STOPTABLE_SIZE 1024
#define GRADIENT_STOPTABLE_SIZE_SHIFT 10
#endif

    uint* colorTable; //[GRADIENT_STOPTABLE_SIZE];

    uint alphaColor : 1;
};

struct QTextureData
{
    const uchar *imageData;
    const uchar *scanLine(int y) const { return imageData + y*bytesPerLine; }

    int width;
    int height;
    // clip rect
    int x1;
    int y1;
    int x2;
    int y2;
    int bytesPerLine;
    QImage::Format format;
    const QVector<QRgb> *colorTable;
    bool hasAlpha;
    enum Type {
        Plain,
        Tiled
    };
    Type type;
    int const_alpha;
};

struct QSpanData
{
    QSpanData() : tempImage(0) {}
    ~QSpanData() { delete tempImage; }

    QRasterBuffer *rasterBuffer;
#ifdef Q_WS_QWS
    QRasterPaintEngine *rasterEngine;
#endif
    ProcessSpans blend;
    ProcessSpans unclipped_blend;
    BitmapBlitFunc bitmapBlit;
    AlphamapBlitFunc alphamapBlit;
    AlphaRGBBlitFunc alphaRGBBlit;
    RectFillFunc fillRect;
    qreal m11, m12, m13, m21, m22, m23, m33, dx, dy;   // inverse xform matrix
    const QClipData *clip;
    enum Type {
        None,
        Solid,
        LinearGradient,
        RadialGradient,
        ConicalGradient,
        Texture
    } type : 8;
    int txop : 8;
    int fast_matrix : 1;
    bool bilinear;
    QImage *tempImage;
    union {
        QSolidData solid;
        QGradientData gradient;
        QTextureData texture;
    };

    void init(QRasterBuffer *rb, const QRasterPaintEngine *pe);
    void setup(const QBrush &brush, int alpha, QPainter::CompositionMode compositionMode);
    void setupMatrix(const QTransform &matrix, int bilinear);
    void initTexture(const QImage *image, int alpha, QTextureData::Type = QTextureData::Plain, const QRect &sourceRect = QRect());
    void adjustSpanMethods();
};

static inline uint qt_gradient_clamp(const QGradientData *data, int ipos)
{
    if (ipos < 0 || ipos >= GRADIENT_STOPTABLE_SIZE) {
        if (data->spread == QGradient::RepeatSpread) {
            ipos = ipos % GRADIENT_STOPTABLE_SIZE;
            ipos = ipos < 0 ? GRADIENT_STOPTABLE_SIZE + ipos : ipos;
        } else if (data->spread == QGradient::ReflectSpread) {
            const int limit = GRADIENT_STOPTABLE_SIZE * 2;
            ipos = ipos % limit;
            ipos = ipos < 0 ? limit + ipos : ipos;
            ipos = ipos >= GRADIENT_STOPTABLE_SIZE ? limit - 1 - ipos : ipos;
        } else {
            if (ipos < 0)
                ipos = 0;
            else if (ipos >= GRADIENT_STOPTABLE_SIZE)
                ipos = GRADIENT_STOPTABLE_SIZE-1;
        }
    }

    Q_ASSERT(ipos >= 0);
    Q_ASSERT(ipos < GRADIENT_STOPTABLE_SIZE);

    return ipos;
}

static inline uint qt_gradient_pixel(const QGradientData *data, qreal pos)
{
    int ipos = int(pos * (GRADIENT_STOPTABLE_SIZE - 1) + qreal(0.5));
    return data->colorTable[qt_gradient_clamp(data, ipos)];
}

static inline qreal qRadialDeterminant(qreal a, qreal b, qreal c)
{
    return (b * b) - (4 * a * c);
}

template <class RadialFetchFunc>
const uint * QT_FASTCALL qt_fetch_radial_gradient_template(uint *buffer, const Operator *op, const QSpanData *data,
                                                           int y, int x, int length)
{
    // avoid division by zero
    if (qFuzzyIsNull(op->radial.a)) {
        extern void (*qt_memfill32)(quint32 *dest, quint32 value, int count);
        qt_memfill32(buffer, 0, length);
        return buffer;
    }

    const uint *b = buffer;
    qreal rx = data->m21 * (y + qreal(0.5))
               + data->dx + data->m11 * (x + qreal(0.5));
    qreal ry = data->m22 * (y + qreal(0.5))
               + data->dy + data->m12 * (x + qreal(0.5));
    bool affine = !data->m13 && !data->m23;

    uint *end = buffer + length;
    if (affine) {
        rx -= data->gradient.radial.focal.x;
        ry -= data->gradient.radial.focal.y;

        qreal inv_a = 1 / qreal(2 * op->radial.a);

        const qreal delta_rx = data->m11;
        const qreal delta_ry = data->m12;

        qreal b = 2*(op->radial.dr*data->gradient.radial.focal.radius + rx * op->radial.dx + ry * op->radial.dy);
        qreal delta_b = 2*(delta_rx * op->radial.dx + delta_ry * op->radial.dy);
        const qreal b_delta_b = 2 * b * delta_b;
        const qreal delta_b_delta_b = 2 * delta_b * delta_b;

        const qreal bb = b * b;
        const qreal delta_bb = delta_b * delta_b;

        b *= inv_a;
        delta_b *= inv_a;

        const qreal rxrxryry = rx * rx + ry * ry;
        const qreal delta_rxrxryry = delta_rx * delta_rx + delta_ry * delta_ry;
        const qreal rx_plus_ry = 2*(rx * delta_rx + ry * delta_ry);
        const qreal delta_rx_plus_ry = 2 * delta_rxrxryry;

        inv_a *= inv_a;

        qreal det = (bb - 4 * op->radial.a * (op->radial.sqrfr - rxrxryry)) * inv_a;
        qreal delta_det = (b_delta_b + delta_bb + 4 * op->radial.a * (rx_plus_ry + delta_rxrxryry)) * inv_a;
        const qreal delta_delta_det = (delta_b_delta_b + 4 * op->radial.a * delta_rx_plus_ry) * inv_a;

        RadialFetchFunc::fetch(buffer, end, op, data, det, delta_det, delta_delta_det, b, delta_b);
    } else {
        qreal rw = data->m23 * (y + qreal(0.5))
                   + data->m33 + data->m13 * (x + qreal(0.5));

        while (buffer < end) {
            if (rw == 0) {
                *buffer = 0;
            } else {
                qreal invRw = 1 / rw;
                qreal gx = rx * invRw - data->gradient.radial.focal.x;
                qreal gy = ry * invRw - data->gradient.radial.focal.y;
                qreal b  = 2*(op->radial.dr*data->gradient.radial.focal.radius + gx*op->radial.dx + gy*op->radial.dy);
                qreal det = qRadialDeterminant(op->radial.a, b, op->radial.sqrfr - (gx*gx + gy*gy));

                quint32 result = 0;
                if (det >= 0) {
                    qreal detSqrt = qSqrt(det);

                    qreal s0 = (-b - detSqrt) * op->radial.inv2a;
                    qreal s1 = (-b + detSqrt) * op->radial.inv2a;

                    qreal s = qMax(s0, s1);

                    if (data->gradient.radial.focal.radius + op->radial.dr * s >= 0)
                        result = qt_gradient_pixel(&data->gradient, s);
                }

                *buffer = result;
            }

            rx += data->m11;
            ry += data->m12;
            rw += data->m13;

            ++buffer;
        }
    }

    return b;
}

template <class Simd>
class QRadialFetchSimd
{
public:
    static void fetch(uint *buffer, uint *end, const Operator *op, const QSpanData *data, qreal det,
                      qreal delta_det, qreal delta_delta_det, qreal b, qreal delta_b)
    {
        typename Simd::Vect_buffer_f det_vec;
        typename Simd::Vect_buffer_f delta_det4_vec;
        typename Simd::Vect_buffer_f b_vec;

        for (int i = 0; i < 4; ++i) {
            det_vec.f[i] = det;
            delta_det4_vec.f[i] = 4 * delta_det;
            b_vec.f[i] = b;

            det += delta_det;
            delta_det += delta_delta_det;
            b += delta_b;
        }

        const typename Simd::Float32x4 v_delta_delta_det16 = Simd::v_dup(16 * delta_delta_det);
        const typename Simd::Float32x4 v_delta_delta_det6 = Simd::v_dup(6 * delta_delta_det);
        const typename Simd::Float32x4 v_delta_b4 = Simd::v_dup(4 * delta_b);

        const typename Simd::Float32x4 v_r0 = Simd::v_dup(data->gradient.radial.focal.radius);
        const typename Simd::Float32x4 v_dr = Simd::v_dup(op->radial.dr);

        const typename Simd::Float32x4 v_min = Simd::v_dup(0.0f);
        const typename Simd::Float32x4 v_max = Simd::v_dup(float(GRADIENT_STOPTABLE_SIZE-1));
        const typename Simd::Float32x4 v_half = Simd::v_dup(0.5f);

        const typename Simd::Int32x4 v_repeat_mask = Simd::v_dup(~(uint(0xffffff) << GRADIENT_STOPTABLE_SIZE_SHIFT));
        const typename Simd::Int32x4 v_reflect_mask = Simd::v_dup(~(uint(0xffffff) << (GRADIENT_STOPTABLE_SIZE_SHIFT+1)));

        const typename Simd::Int32x4 v_reflect_limit = Simd::v_dup(2 * GRADIENT_STOPTABLE_SIZE - 1);

        const int extended_mask = op->radial.extended ? 0x0 : ~0x0;

#define FETCH_RADIAL_LOOP_PROLOGUE \
        while (buffer < end) { \
            typename Simd::Vect_buffer_i v_buffer_mask; \
            v_buffer_mask.v = Simd::v_greaterOrEqual(det_vec.v, v_min); \
            const typename Simd::Float32x4 v_index_local = Simd::v_sub(Simd::v_sqrt(Simd::v_max(v_min, det_vec.v)), b_vec.v); \
            const typename Simd::Float32x4 v_index = Simd::v_add(Simd::v_mul(v_index_local, v_max), v_half); \
            v_buffer_mask.v = Simd::v_and(v_buffer_mask.v, Simd::v_greaterOrEqual(Simd::v_add(v_r0, Simd::v_mul(v_dr, v_index_local)), v_min)); \
            typename Simd::Vect_buffer_i index_vec;
#define FETCH_RADIAL_LOOP_CLAMP_REPEAT \
            index_vec.v = Simd::v_and(v_repeat_mask, Simd::v_toInt(v_index));
#define FETCH_RADIAL_LOOP_CLAMP_REFLECT \
            const typename Simd::Int32x4 v_index_i = Simd::v_and(v_reflect_mask, Simd::v_toInt(v_index)); \
            const typename Simd::Int32x4 v_index_i_inv = Simd::v_sub(v_reflect_limit, v_index_i); \
            index_vec.v = Simd::v_min_16(v_index_i, v_index_i_inv);
#define FETCH_RADIAL_LOOP_CLAMP_PAD \
            index_vec.v = Simd::v_toInt(Simd::v_min(v_max, Simd::v_max(v_min, v_index)));
#define FETCH_RADIAL_LOOP_EPILOGUE \
            det_vec.v = Simd::v_add(Simd::v_add(det_vec.v, delta_det4_vec.v), v_delta_delta_det6); \
            delta_det4_vec.v = Simd::v_add(delta_det4_vec.v, v_delta_delta_det16); \
            b_vec.v = Simd::v_add(b_vec.v, v_delta_b4); \
            for (int i = 0; i < 4; ++i) \
                *buffer++ = (extended_mask | v_buffer_mask.i[i]) & data->gradient.colorTable[index_vec.i[i]]; \
        }

#define FETCH_RADIAL_LOOP(FETCH_RADIAL_LOOP_CLAMP) \
        FETCH_RADIAL_LOOP_PROLOGUE \
        FETCH_RADIAL_LOOP_CLAMP \
        FETCH_RADIAL_LOOP_EPILOGUE

        switch (data->gradient.spread) {
        case QGradient::RepeatSpread:
            FETCH_RADIAL_LOOP(FETCH_RADIAL_LOOP_CLAMP_REPEAT)
            break;
        case QGradient::ReflectSpread:
            FETCH_RADIAL_LOOP(FETCH_RADIAL_LOOP_CLAMP_REFLECT)
            break;
        case QGradient::PadSpread:
            FETCH_RADIAL_LOOP(FETCH_RADIAL_LOOP_CLAMP_PAD)
            break;
        default:
            Q_ASSERT(false);
        }
    }
};

#if defined(Q_CC_RVCT)
#  pragma push
#  pragma arm
#endif
Q_STATIC_INLINE_FUNCTION uint INTERPOLATE_PIXEL_255(uint x, uint a, uint y, uint b) {
    uint t = (x & 0xff00ff) * a + (y & 0xff00ff) * b;
    t = (t + ((t >> 8) & 0xff00ff) + 0x800080) >> 8;
    t &= 0xff00ff;

    x = ((x >> 8) & 0xff00ff) * a + ((y >> 8) & 0xff00ff) * b;
    x = (x + ((x >> 8) & 0xff00ff) + 0x800080);
    x &= 0xff00ff00;
    x |= t;
    return x;
}
#if defined(Q_CC_RVCT)
#  pragma pop
#endif

#if QT_POINTER_SIZE == 8 // 64-bit versions

Q_STATIC_INLINE_FUNCTION uint INTERPOLATE_PIXEL_256(uint x, uint a, uint y, uint b) {
    quint64 t = (((quint64(x)) | ((quint64(x)) << 24)) & 0x00ff00ff00ff00ff) * a;
    t += (((quint64(y)) | ((quint64(y)) << 24)) & 0x00ff00ff00ff00ff) * b;
    t >>= 8;
    t &= 0x00ff00ff00ff00ff;
    return (uint(t)) | (uint(t >> 24));
}

Q_STATIC_INLINE_FUNCTION uint BYTE_MUL(uint x, uint a) {
    quint64 t = (((quint64(x)) | ((quint64(x)) << 24)) & 0x00ff00ff00ff00ff) * a;
    t = (t + ((t >> 8) & 0xff00ff00ff00ff) + 0x80008000800080) >> 8;
    t &= 0x00ff00ff00ff00ff;
    return (uint(t)) | (uint(t >> 24));
}

Q_STATIC_INLINE_FUNCTION uint PREMUL(uint x) {
    uint a = x >> 24;
    quint64 t = (((quint64(x)) | ((quint64(x)) << 24)) & 0x00ff00ff00ff00ff) * a;
    t = (t + ((t >> 8) & 0xff00ff00ff00ff) + 0x80008000800080) >> 8;
    t &= 0x000000ff00ff00ff;
    return (uint(t)) | (uint(t >> 24)) | (a << 24);
}

#else // 32-bit versions

Q_STATIC_INLINE_FUNCTION uint INTERPOLATE_PIXEL_256(uint x, uint a, uint y, uint b) {
    uint t = (x & 0xff00ff) * a + (y & 0xff00ff) * b;
    t >>= 8;
    t &= 0xff00ff;

    x = ((x >> 8) & 0xff00ff) * a + ((y >> 8) & 0xff00ff) * b;
    x &= 0xff00ff00;
    x |= t;
    return x;
}

#if defined(Q_CC_RVCT)
#  pragma push
#  pragma arm
#endif
Q_STATIC_INLINE_FUNCTION uint BYTE_MUL(uint x, uint a) {
    uint t = (x & 0xff00ff) * a;
    t = (t + ((t >> 8) & 0xff00ff) + 0x800080) >> 8;
    t &= 0xff00ff;

    x = ((x >> 8) & 0xff00ff) * a;
    x = (x + ((x >> 8) & 0xff00ff) + 0x800080);
    x &= 0xff00ff00;
    x |= t;
    return x;
}
#if defined(Q_CC_RVCT)
#  pragma pop
#endif

Q_STATIC_INLINE_FUNCTION uint PREMUL(uint x) {
    uint a = x >> 24;
    uint t = (x & 0xff00ff) * a;
    t = (t + ((t >> 8) & 0xff00ff) + 0x800080) >> 8;
    t &= 0xff00ff;

    x = ((x >> 8) & 0xff) * a;
    x = (x + ((x >> 8) & 0xff) + 0x80);
    x &= 0xff00;
    x |= t | (a << 24);
    return x;
}
#endif


Q_STATIC_INLINE_FUNCTION uint BYTE_MUL_RGB16(uint x, uint a) {
    a += 1;
    uint t = (((x & 0x07e0)*a) >> 8) & 0x07e0;
    t |= (((x & 0xf81f)*(a>>2)) >> 6) & 0xf81f;
    return t;
}

Q_STATIC_INLINE_FUNCTION uint BYTE_MUL_RGB16_32(uint x, uint a) {
    uint t = (((x & 0xf81f07e0) >> 5)*a) & 0xf81f07e0;
    t |= (((x & 0x07e0f81f)*a) >> 5) & 0x07e0f81f;
    return t;
}

#define INV_PREMUL(p)                                   \
    (qAlpha(p) == 0 ? 0 :                               \
    ((qAlpha(p) << 24)                                  \
     | (((255*qRed(p))/ qAlpha(p)) << 16)               \
     | (((255*qGreen(p)) / qAlpha(p))  << 8)            \
     | ((255*qBlue(p)) / qAlpha(p))))

template <class DST, class SRC>
inline DST qt_colorConvert(SRC color, DST dummy)
{
    Q_UNUSED(dummy);
    return DST(color);
}


template <>
inline quint32 qt_colorConvert(quint16 color, quint32 dummy)
{
    Q_UNUSED(dummy);
    const int r = (color & 0xf800);
    const int g = (color & 0x07e0);
    const int b = (color & 0x001f);
    const int tr = (r >> 8) | (r >> 13);
    const int tg = (g >> 3) | (g >> 9);
    const int tb = (b << 3) | (b >> 2);

    return qRgb(tr, tg, tb);
}

template <>
inline quint16 qt_colorConvert(quint32 color, quint16 dummy)
{
    Q_UNUSED(dummy);
    const int r = qRed(color) << 8;
    const int g = qGreen(color) << 3;
    const int b = qBlue(color) >> 3;

    return (r & 0xf800) | (g & 0x07e0)| (b & 0x001f);
}

class quint32p
{
public:
    inline quint32p(quint32 v) : data(PREMUL(v)) {}

    inline operator quint32() const { return data; }

    inline operator quint16() const
    {
        return qt_colorConvert<quint16, quint32>(data, 0);
    }

    Q_STATIC_INLINE_FUNCTION quint32p fromRawData(quint32 v)
    {
        quint32p p;
        p.data = v;
        return p;
    }

private:
    quint32p() {}
    quint32 data;
} Q_PACKED;

class qabgr8888
{
public:
    inline qabgr8888(quint32 v)
    {
        data = qRgba(qBlue(v), qGreen(v), qRed(v), qAlpha(v));
    }

    inline bool operator==(const qabgr8888 &v) const { return data == v.data; }

private:
    quint32 data;
} Q_PACKED;

class qrgb565;

class qargb8565
{
public:
    Q_STATIC_INLINE_FUNCTION bool hasAlpha() { return true; }

    inline qargb8565() {}
    inline qargb8565(quint32 v);
    inline explicit qargb8565(quint32p v);
    inline qargb8565(const qargb8565 &v);
    inline qargb8565(const qrgb565 &v);

    inline operator quint32() const;
    inline operator quint16() const;

    inline quint8 alpha() const { return data[0]; }
    inline qargb8565 truncedAlpha() {
        data[0] &= 0xf8;
        data[1] &= 0xdf;
        return *this;
    }
    Q_STATIC_INLINE_FUNCTION quint8 alpha(quint8 a) { return (a + 1) >> 3; }
    Q_STATIC_INLINE_FUNCTION quint8 ialpha(quint8 a) { return 0x20 - alpha(a); }

    inline qargb8565 byte_mul(quint8 a) const;
    inline qargb8565 operator+(qargb8565 v) const;
    inline bool operator==(const qargb8565 &v) const;

    inline quint32 rawValue() const;
    inline quint16 rawValue16() const;

private:
    friend class qrgb565;

    quint8 data[3];
} Q_PACKED;

class qrgb565
{
public:
    Q_STATIC_INLINE_FUNCTION bool hasAlpha() { return false; }

    qrgb565(int v = 0) : data(v) {}

    inline explicit qrgb565(quint32p v);
    inline explicit qrgb565(quint32 v);
    inline explicit qrgb565(const qargb8565 &v);

    inline operator quint32() const;
    inline operator quint16() const;

    inline qrgb565 operator+(qrgb565 v) const;

    inline quint8 alpha() const { return 0xff; }
    inline qrgb565 truncedAlpha() { return *this; }
    Q_STATIC_INLINE_FUNCTION quint8 alpha(quint8 a) { return (a + 1) >> 3; }
    Q_STATIC_INLINE_FUNCTION quint8 ialpha(quint8 a) { return 0x20 - alpha(a); }

    inline qrgb565 byte_mul(quint8 a) const;

    inline bool operator==(const qrgb565 &v) const;
    inline quint16 rawValue() const { return data; }

private:
    friend class qargb8565;

    quint16 data;
} Q_PACKED;

qargb8565::qargb8565(quint32 v)
{
    *this = qargb8565(quint32p(v));
}

qargb8565::qargb8565(quint32p v)
{
    data[0] = qAlpha(v);
    const int r = qRed(v);
    const int g = qGreen(v);
    const int b = qBlue(v);
    data[1] = ((g << 3) & 0xe0) | (b >> 3);
    data[2] = (r & 0xf8) | (g >> 5);
}

qargb8565::qargb8565(const qargb8565 &v)
{
    data[0] = v.data[0];
    data[1] = v.data[1];
    data[2] = v.data[2];
}

qargb8565::qargb8565(const qrgb565 &v)
{
    data[0] = 0xff;
    data[1] = v.data & 0xff;
    data[2] = v.data >> 8;
}

qargb8565::operator quint32() const
{
    const quint16 rgb = (data[2] << 8) | data[1];
    const int a = data[0];
    const int r = (rgb & 0xf800);
    const int g = (rgb & 0x07e0);
    const int b = (rgb & 0x001f);
    const int tr = qMin(a, (r >> 8) | (r >> 13));
    const int tg = qMin(a, (g >> 3) | (g >> 9));
    const int tb = qMin(a, (b << 3) | (b >> 2));
    return qRgba(tr, tg, tb, data[0]);
}

qargb8565::operator quint16() const
{
    return (data[2] << 8) | data[1];
}

qargb8565 qargb8565::operator+(qargb8565 v) const
{
    qargb8565 t;
    t.data[0] = data[0] + v.data[0];
    const quint16 rgb =  ((data[2] + v.data[2]) << 8)
                         + (data[1] + v.data[1]);
    t.data[1] = rgb & 0xff;
    t.data[2] = rgb >> 8;
    return t;
}

qargb8565 qargb8565::byte_mul(quint8 a) const
{
    qargb8565 result;
    result.data[0] = (data[0] * a) >> 5;

    const quint16 x = (data[2] << 8) | data[1];
    const quint16 t = ((((x & 0x07e0) >> 5) * a) & 0x07e0) |
                      ((((x & 0xf81f) * a) >> 5) & 0xf81f);
    result.data[1] = t & 0xff;
    result.data[2] = t >> 8;
    return result;
}

bool qargb8565::operator==(const qargb8565 &v) const
{
    return data[0] == v.data[0]
        && data[1] == v.data[1]
        && data[2] == v.data[2];
}

quint32 qargb8565::rawValue() const
{
    return (data[2] << 16) | (data[1] << 8) | data[0];
}

quint16 qargb8565::rawValue16() const
{
    return (data[2] << 8) | data[1];
}

qrgb565::qrgb565(quint32p v)
{
    *this = qrgb565(quint32(v));
}

qrgb565::qrgb565(quint32 v)
{
    const int r = qRed(v) << 8;
    const int g = qGreen(v) << 3;
    const int b = qBlue(v) >> 3;

    data = (r & 0xf800) | (g & 0x07e0)| (b & 0x001f);
}

qrgb565::qrgb565(const qargb8565 &v)
{
    data = (v.data[2] << 8) | v.data[1];
}

qrgb565::operator quint32() const
{
    const int r = (data & 0xf800);
    const int g = (data & 0x07e0);
    const int b = (data & 0x001f);
    const int tr = (r >> 8) | (r >> 13);
    const int tg = (g >> 3) | (g >> 9);
    const int tb = (b << 3) | (b >> 2);
    return qRgb(tr, tg, tb);
}

qrgb565::operator quint16() const
{
    return data;
}

qrgb565 qrgb565::operator+(qrgb565 v) const
{
    qrgb565 t;
    t.data = data + v.data;
    return t;
}

qrgb565 qrgb565::byte_mul(quint8 a) const
{
    qrgb565 result;
    result.data = ((((data & 0x07e0) >> 5) * a) & 0x07e0) |
                  ((((data & 0xf81f) * a) >> 5) & 0xf81f);
    return result;
}

bool qrgb565::operator==(const qrgb565 &v) const
{
    return data == v.data;
}

class qbgr565
{
public:
    inline qbgr565(quint16 v)
    {
        data = ((v & 0x001f) << 11) |
               (v & 0x07e0) |
               ((v & 0xf800) >> 11);
    }

    inline bool operator==(const qbgr565 &v) const
    {
        return data == v.data;
    }

private:
    quint16 data;
} Q_PACKED;

class qrgb555;

class qargb8555
{
public:
    Q_STATIC_INLINE_FUNCTION bool hasAlpha() { return true; }

    qargb8555() {}
    inline qargb8555(quint32 v);
    inline explicit qargb8555(quint32p v);
    inline qargb8555(const qargb8555 &v);
    inline qargb8555(const qrgb555 &v);

    inline operator quint32() const;

    inline quint8 alpha() const { return data[0]; }
    inline qargb8555 truncedAlpha() { data[0] &= 0xf8; return *this; }
    Q_STATIC_INLINE_FUNCTION quint8 alpha(quint8 a) { return (a + 1) >> 3; }
    Q_STATIC_INLINE_FUNCTION quint8 ialpha(quint8 a) { return 0x20 - alpha(a); }

    inline qargb8555 operator+(qargb8555 v) const;
    inline qargb8555 byte_mul(quint8 a) const;

    inline bool operator==(const qargb8555 &v) const;

    inline quint32 rawValue() const;

private:
    friend class qrgb555;
    quint8 data[3];
} Q_PACKED;

class qrgb555
{
public:
    Q_STATIC_INLINE_FUNCTION bool hasAlpha() { return false; }

    inline qrgb555(int v = 0) : data(v) {}

    inline explicit qrgb555(quint32p v) { *this = qrgb555(quint32(v)); }

    inline explicit qrgb555(quint32 v)
    {
        const int r = qRed(v) << 7;
        const int g = qGreen(v) << 2;
        const int b = qBlue(v) >> 3;

        data = (r & 0x7c00) | (g & 0x03e0) | (b & 0x001f);
    }

    inline explicit qrgb555(quint16 v)
    {
        data = ((v >> 1) & (0x7c00 | 0x03e0)) |
               (v & 0x001f);
    }

    inline explicit qrgb555(const qargb8555 &v);

    inline operator quint32() const
    {
        const int r = (data & 0x7c00);
        const int g = (data & 0x03e0);
        const int b = (data & 0x001f);
        const int tr = (r >> 7) | (r >> 12);
        const int tg = (g >> 2) | (g >> 7);
        const int tb = (b << 3) | (b >> 2);

        return qRgb(tr, tg, tb);
    }

    inline operator quint16() const
    {
        const int r = ((data & 0x7c00) << 1) & 0xf800;
        const int g = (((data & 0x03e0) << 1) | ((data >> 4) & 0x0020)) & 0x07e0;
        const int b = (data & 0x001f);

        return r | g | b;
    }

    inline qrgb555 operator+(qrgb555 v) const;
    inline qrgb555 byte_mul(quint8 a) const;

    inline quint8 alpha() const { return 0xff; }
    inline qrgb555 truncedAlpha() { return *this; }
    Q_STATIC_INLINE_FUNCTION quint8 alpha(quint8 a) { return (a + 1) >> 3; }
    Q_STATIC_INLINE_FUNCTION quint8 ialpha(quint8 a) { return 0x20 - alpha(a); }

    inline bool operator==(const qrgb555 &v) const { return v.data == data; }
    inline bool operator!=(const qrgb555 &v) const { return v.data != data; }

    inline quint16 rawValue() const { return data; }

private:
    friend class qargb8555;
    friend class qbgr555;
    quint16 data;

} Q_PACKED;

qrgb555::qrgb555(const qargb8555 &v)
{
    data = (v.data[2] << 8) | v.data[1];
}

qrgb555 qrgb555::operator+(qrgb555 v) const
{
    qrgb555 t;
    t.data = data + v.data;
    return t;
}

qrgb555 qrgb555::byte_mul(quint8 a) const
{
    quint16 t = (((data & 0x3e0) * a) >> 5) & 0x03e0;
    t |= (((data & 0x7c1f) * a) >> 5) & 0x7c1f;

    qrgb555 result;
    result.data = t;
    return result;
}

class qbgr555
{
public:
    inline qbgr555(quint32 v) { *this = qbgr555(qrgb555(v)); }

    inline qbgr555(qrgb555 v)
    {
        data = ((v.data & 0x001f) << 10) |
               (v.data & 0x03e0) |
               ((v.data & 0x7c00) >> 10);
    }

    inline bool operator==(const qbgr555 &v) const
    {
        return data == v.data;
    }

private:
    quint16 data;
} Q_PACKED;

qargb8555::qargb8555(quint32 v)
{
    v = quint32p(v);
    data[0] = qAlpha(v);
    const int r = qRed(v);
    const int g = qGreen(v);
    const int b = qBlue(v);
    data[1] = ((g << 2) & 0xe0) | (b >> 3);
    data[2] = ((r >> 1) & 0x7c) | (g >> 6);

}

qargb8555::qargb8555(quint32p v)
{
    data[0] = qAlpha(v);
    const int r = qRed(v);
    const int g = qGreen(v);
    const int b = qBlue(v);
    data[1] = ((g << 2) & 0xe0) | (b >> 3);
    data[2] = ((r >> 1) & 0x7c) | (g >> 6);
}

qargb8555::qargb8555(const qargb8555 &v)
{
    data[0] = v.data[0];
    data[1] = v.data[1];
    data[2] = v.data[2];
}

qargb8555::qargb8555(const qrgb555 &v)
{
    data[0] = 0xff;
    data[1] = v.data & 0xff;
    data[2] = v.data >> 8;
}

qargb8555::operator quint32() const
{
    const quint16 rgb = (data[2] << 8) | data[1];
    const int r = (rgb & 0x7c00);
    const int g = (rgb & 0x03e0);
    const int b = (rgb & 0x001f);
    const int tr = (r >> 7) | (r >> 12);
    const int tg = (g >> 2) | (g >> 7);
    const int tb = (b << 3) | (b >> 2);

    return qRgba(tr, tg, tb, data[0]);
}

bool qargb8555::operator==(const qargb8555 &v) const
{
    return data[0] == v.data[0]
        && data[1] == v.data[1]
        && data[2] == v.data[2];
}

quint32 qargb8555::rawValue() const
{
    return (data[2] << 16) | (data[1] << 8) | data[0];
}

qargb8555 qargb8555::operator+(qargb8555 v) const
{
    qargb8555 t;
    t.data[0] = data[0] + v.data[0];
    const quint16 rgb =  ((data[2] + v.data[2]) << 8)
                         + (data[1] + v.data[1]);
    t.data[1] = rgb & 0xff;
    t.data[2] = rgb >> 8;
    return t;
}

qargb8555 qargb8555::byte_mul(quint8 a) const
{
    qargb8555 result;
    result.data[0] = (data[0] * a) >> 5;

    const quint16 x = (data[2] << 8) | data[1];
    quint16 t = (((x & 0x3e0) * a) >> 5) & 0x03e0;
    t |= (((x & 0x7c1f) * a) >> 5) & 0x7c1f;
    result.data[1] = t & 0xff;
    result.data[2] = t >> 8;
    return result;

}

class qrgb666;

class qargb6666
{
public:
    Q_STATIC_INLINE_FUNCTION bool hasAlpha() { return true; }

    inline qargb6666() {}
    inline qargb6666(quint32 v) { *this = qargb6666(quint32p(v)); }
    inline explicit qargb6666(quint32p v);
    inline qargb6666(const qargb6666 &v);
    inline qargb6666(const qrgb666 &v);

    inline operator quint32 () const;

    inline quint8 alpha() const;
    inline qargb6666 truncedAlpha() { return *this; }
    Q_STATIC_INLINE_FUNCTION quint8 alpha(quint8 a) { return (a + 1) >> 2; }
    Q_STATIC_INLINE_FUNCTION quint8 ialpha(quint8 a) { return (255 - a + 1) >> 2; }

    inline qargb6666 byte_mul(quint8 a) const;
    inline qargb6666 operator+(qargb6666 v) const;
    inline bool operator==(const qargb6666 &v) const;

    inline quint32 rawValue() const;

private:
    friend class qrgb666;
    quint8 data[3];

} Q_PACKED;

class qrgb666
{
public:
    Q_STATIC_INLINE_FUNCTION bool hasAlpha() { return false; }

    inline qrgb666() {}
    inline qrgb666(quint32 v);
    inline qrgb666(const qargb6666 &v);

    inline operator quint32 () const;

    inline quint8 alpha() const { return 0xff; }
    inline qrgb666 truncedAlpha() { return *this; }
    Q_STATIC_INLINE_FUNCTION quint8 alpha(quint8 a) { return (a + 1) >> 2; }
    Q_STATIC_INLINE_FUNCTION quint8 ialpha(quint8 a) { return (255 - a + 1) >> 2; }

    inline qrgb666 operator+(qrgb666 v) const;
    inline qrgb666 byte_mul(quint8 a) const;

    inline bool operator==(const qrgb666 &v) const;
    inline bool operator!=(const qrgb666 &v) const { return !(*this == v); }

    inline quint32 rawValue() const
    {
        return (data[2] << 16) | (data[1] << 8) | data[0];
    }

private:
    friend class qargb6666;

    quint8 data[3];
} Q_PACKED;

qrgb666::qrgb666(quint32 v)
{
    const uchar b = qBlue(v);
    const uchar g = qGreen(v);
    const uchar r = qRed(v);
    const uint p = (b >> 2) | ((g >> 2) << 6) | ((r >> 2) << 12);
    data[0] = qBlue(p);
    data[1] = qGreen(p);
    data[2] = qRed(p);
}

qrgb666::qrgb666(const qargb6666 &v)
{
    data[0] = v.data[0];
    data[1] = v.data[1];
    data[2] = v.data[2] & 0x03;
}

qrgb666::operator quint32 () const
{
    const uchar r = (data[2] << 6) | ((data[1] & 0xf0) >> 2) | (data[2] & 0x3);
    const uchar g = (data[1] << 4) | ((data[0] & 0xc0) >> 4) | ((data[1] & 0x0f) >> 2);
    const uchar b = (data[0] << 2) | ((data[0] & 0x3f) >> 4);
    return qRgb(r, g, b);
}

qrgb666 qrgb666::operator+(qrgb666 v) const
{
    const quint32 x1 = (data[2] << 16) | (data[1] << 8) | data[0];
    const quint32 x2 = (v.data[2] << 16) | (v.data[1] << 8) | v.data[0];
    const quint32 t = x1 + x2;
    qrgb666 r;
    r.data[0] = t & 0xff;
    r.data[1] = (t >> 8) & 0xff;
    r.data[2] = (t >> 16) & 0xff;
    return r;
}

qrgb666 qrgb666::byte_mul(quint8 a) const
{
    const quint32 x = (data[2] << 16) | (data[1] << 8) | data[0];
    const quint32 t = ((((x & 0x03f03f) * a) >> 6) & 0x03f03f) |
                      ((((x & 0x000fc0) * a) >> 6) & 0x000fc0);

    qrgb666 r;
    r.data[0] = t & 0xff;
    r.data[1] = (t >> 8) & 0xff;
    r.data[2] = (t >> 16) & 0xff;
    return r;
}

bool qrgb666::operator==(const qrgb666 &v) const
{
    return (data[0] == v.data[0] &&
            data[1] == v.data[1] &&
            data[2] == v.data[2]);
}

qargb6666::qargb6666(quint32p v)
{
    const quint8 b = qBlue(v) >> 2;
    const quint8 g = qGreen(v) >> 2;
    const quint8 r = qRed(v) >> 2;
    const quint8 a = qAlpha(v) >> 2;
    const uint p = (a << 18) | (r << 12) | (g << 6) | b;
    data[0] = qBlue(p);
    data[1] = qGreen(p);
    data[2] = qRed(p);
}

qargb6666::qargb6666(const qargb6666 &v)
{
    data[0] = v.data[0];
    data[1] = v.data[1];
    data[2] = v.data[2];
}

qargb6666::qargb6666(const qrgb666 &v)
{
    data[0] = v.data[0];
    data[1] = v.data[1];
    data[2] = (v.data[2] | 0xfc);
}

qargb6666::operator quint32 () const
{
    const quint8 r = (data[2] << 6) | ((data[1] & 0xf0) >> 2) | (data[2] & 0x3);
    const quint8 g = (data[1] << 4) | ((data[0] & 0xc0) >> 4) | ((data[1] & 0x0f) >> 2);
    const quint8 b = (data[0] << 2) | ((data[0] & 0x3f) >> 4);
    const quint8 a = (data[2] & 0xfc) | (data[2] >> 6);
    return qRgba(r, g, b, a);
}

qargb6666 qargb6666::operator+(qargb6666 v) const
{
    const quint32 x1 = (data[2] << 16) | (data[1] << 8) | data[0];
    const quint32 x2 = (v.data[2] << 16) | (v.data[1] << 8) | v.data[0];
    const quint32 t = x1 + x2;
    qargb6666 r;
    r.data[0] = t & 0xff;
    r.data[1] = (t >> 8) & 0xff;
    r.data[2] = (t >> 16) & 0xff;
    return r;
}

quint8 qargb6666::alpha() const
{
    return (data[2] & 0xfc) | (data[2] >> 6);
}

inline qargb6666 qargb6666::byte_mul(quint8 a) const
{
    const quint32 x = (data[2] << 16) | (data[1] << 8) | data[0];
    const quint32 t = ((((x & 0x03f03f) * a) >> 6) & 0x03f03f) |
                      ((((x & 0xfc0fc0) * a) >> 6) & 0xfc0fc0);

    qargb6666 r;
    r.data[0] = t & 0xff;
    r.data[1] = (t >> 8) & 0xff;
    r.data[2] = (t >> 16) & 0xff;
    return r;
}

bool qargb6666::operator==(const qargb6666 &v) const
{
    return data[0] == v.data[0]
        && data[1] == v.data[1]
        && data[2] == v.data[2];
}

quint32 qargb6666::rawValue() const
{
    return (data[2] << 16) | (data[1] << 8) | data[0];
}

class qrgb888
{
public:
    Q_STATIC_INLINE_FUNCTION bool hasAlpha() { return false; }

    inline qrgb888() {}
    inline qrgb888(quint32 v);

    inline operator quint32() const;

    inline quint8 alpha() const { return 0xff; }
    inline qrgb888 truncedAlpha() { return *this; }
    Q_STATIC_INLINE_FUNCTION quint8 alpha(quint8 a) { return a; }
    Q_STATIC_INLINE_FUNCTION quint8 ialpha(quint8 a) { return 255 - a; }

    inline qrgb888 byte_mul(quint8 a) const;
    inline qrgb888 operator+(qrgb888 v) const;
    inline bool operator==(qrgb888 v) const;

    inline quint32 rawValue() const;

private:
    uchar data[3];

} Q_PACKED;

qrgb888::qrgb888(quint32 v)
{
    data[0] = qRed(v);
    data[1] = qGreen(v);
    data[2] = qBlue(v);
}

qrgb888::operator quint32() const
{
    return qRgb(data[0], data[1], data[2]);
}

qrgb888 qrgb888::operator+(qrgb888 v) const
{
    qrgb888 t = *this;
    t.data[0] += v.data[0];
    t.data[1] += v.data[1];
    t.data[2] += v.data[2];
    return t;
}

qrgb888 qrgb888::byte_mul(quint8 a) const
{
    quint32 x(*this);

    quint32 t = (x & 0xff00ff) * a;
    t = (t + ((t >> 8) & 0xff00ff) + 0x800080) >> 8;
    t &= 0xff00ff;

    x = ((x >> 8) & 0xff00ff) * a;
    x = (x + ((x >> 8) & 0xff00ff) + 0x800080);
    x &= 0xff00ff00;
    x |= t;
    return qrgb888(x);
}

bool qrgb888::operator==(qrgb888 v) const
{
    return (data[0] == v.data[0] &&
            data[1] == v.data[1] &&
            data[2] == v.data[2]);
}

quint32 qrgb888::rawValue() const
{
    return (data[2] << 16) | (data[1] << 8) | data[0];
}

template <>
inline qrgb888 qt_colorConvert(quint32 color, qrgb888 dummy)
{
    Q_UNUSED(dummy);
    return qrgb888(color);
}

template <>
inline quint32 qt_colorConvert(qrgb888 color, quint32 dummy)
{
    Q_UNUSED(dummy);
    return quint32(color);
}

#ifdef QT_QWS_DEPTH_8
template <>
inline quint8 qt_colorConvert(quint32 color, quint8 dummy)
{
    Q_UNUSED(dummy);

    uchar r = ((qRed(color) & 0xf8) + 0x19) / 0x33;
    uchar g = ((qGreen(color) &0xf8) + 0x19) / 0x33;
    uchar b = ((qBlue(color) &0xf8) + 0x19) / 0x33;

    return r*6*6 + g*6 + b;
}

template <>
inline quint8 qt_colorConvert(quint16 color, quint8 dummy)
{
    Q_UNUSED(dummy);

    uchar r = (color & 0xf800) >> (11-3);
    uchar g = (color & 0x07c0) >> (6-3);
    uchar b = (color & 0x001f) << 3;

    uchar tr = (r + 0x19) / 0x33;
    uchar tg = (g + 0x19) / 0x33;
    uchar tb = (b + 0x19) / 0x33;

    return tr*6*6 + tg*6 + tb;
}

#endif // QT_QWS_DEPTH_8

// hw: endianess??
class quint24
{
public:
    inline quint24(quint32 v)
    {
        data[0] = qBlue(v);
        data[1] = qGreen(v);
        data[2] = qRed(v);
    }

    inline operator quint32 ()
    {
        return qRgb(data[2], data[1], data[0]);
    }

    inline bool operator==(const quint24 &v) const
    {
        return data[0] == v.data[0]
            && data[1] == v.data[1]
            && data[2] == v.data[2];
    }

private:
    uchar data[3];
} Q_PACKED;

template <>
inline quint24 qt_colorConvert(quint32 color, quint24 dummy)
{
    Q_UNUSED(dummy);
    return quint24(color);
}

// hw: endianess??
class quint18
{
public:
    inline quint18(quint32 v)
    {
        uchar b = qBlue(v);
        uchar g = qGreen(v);
        uchar r = qRed(v);
        uint p = (b >> 2) | ((g >> 2) << 6) | ((r >> 2) << 12);
        data[0] = qBlue(p);
        data[1] = qGreen(p);
        data[2] = qRed(p);
    }

    inline operator quint32 ()
    {
        const uchar r = (data[2] << 6) | ((data[1] & 0xf0) >> 2) | (data[2] & 0x3);
        const uchar g = (data[1] << 4) | ((data[0] & 0xc0) >> 4) | ((data[1] & 0x0f) >> 2);
        const uchar b = (data[0] << 2) | ((data[0] & 0x3f) >> 4);
        return qRgb(r, g, b);
    }

private:
    uchar data[3];
} Q_PACKED;

template <>
inline quint18 qt_colorConvert(quint32 color, quint18 dummy)
{
    Q_UNUSED(dummy);
    return quint18(color);
}

class qrgb444;

class qargb4444
{
public:
    Q_STATIC_INLINE_FUNCTION bool hasAlpha() { return true; }

    inline qargb4444() {}
    inline qargb4444(quint32 v) { *this = qargb4444(quint32p(v)); }
    inline explicit qargb4444(quint32p v);
    inline qargb4444(const qrgb444 &v);

    inline operator quint32() const;
    inline operator quint8() const;

    inline qargb4444 operator+(qargb4444 v) const;

    inline quint8 alpha() const { return ((data & 0xf000) >> 8) | ((data & 0xf000) >> 12); }
    inline qargb4444 truncedAlpha() { return *this; }
    Q_STATIC_INLINE_FUNCTION quint8 alpha(quint8 a) { return (a + 1) >> 4; }
    Q_STATIC_INLINE_FUNCTION quint8 ialpha(quint8 a) { return 0x10 - alpha(a); }
    inline qargb4444 byte_mul(quint8 a) const;

    inline bool operator==(const qargb4444 &v) const { return data == v.data; }

    inline quint16 rawValue() const { return data; }

private:
    friend class qrgb444;
    quint16 data;

} Q_PACKED;

class qrgb444
{
public:
    Q_STATIC_INLINE_FUNCTION bool hasAlpha() { return false; }

    inline qrgb444() {}
    inline qrgb444(quint32 v);
    inline explicit qrgb444(qargb4444 v);

    inline operator quint32() const;
    inline operator quint8() const;

    inline qrgb444 operator+(qrgb444 v) const;
    inline quint8 alpha() const { return 0xff; }
    inline qrgb444 truncedAlpha() { return *this; }
    Q_STATIC_INLINE_FUNCTION quint8 alpha(quint8 a) { return (a + 1) >> 4; }
    Q_STATIC_INLINE_FUNCTION quint8 ialpha(quint8 a) { return 0x10 - alpha(a); }
    inline qrgb444 byte_mul(quint8 a) const;

    inline bool operator==(const qrgb444 &v) const { return data == v.data; }
    inline bool operator!=(const qrgb444 &v) const { return data != v.data; }

    inline quint16 rawValue() const { return data; }

private:
    friend class qargb4444;
    quint16 data;

} Q_PACKED;


qargb4444::qargb4444(quint32p color)
{
    quint32 v = color;
    v &= 0xf0f0f0f0;
    const int a = qAlpha(v) << 8;
    const int r = qRed(v) << 4;
    const int g = qGreen(v);
    const int b = qBlue(v) >> 4;

    data = a | r | g | b;
}

qargb4444::qargb4444(const qrgb444 &v)
{
    data = v.data | 0xf000;
}

qargb4444::operator quint32() const
{
    const int a = (data & 0xf000);
    const int r = (data & 0x0f00);
    const int g = (data & 0x00f0);
    const int b = (data & 0x000f);
    const int ta = (a >> 8) | (a >> 12);
    const int tr = (r >> 4) | (r >> 8);
    const int tg = g | (g >> 4);
    const int tb = (b << 4) | b;

    return qRgba(tr, tg, tb, ta);
}

qargb4444::operator quint8() const
{
    // hw: optimize!
    return qt_colorConvert<quint8, quint32>(operator quint32(), 0);
}

qargb4444 qargb4444::operator+(qargb4444 v) const
{
    qargb4444 t;
    t.data = data + v.data;
    return t;
}

qargb4444 qargb4444::byte_mul(quint8 a) const
{
    quint16 t = (((data & 0xf0f0) * a) >> 4) & 0xf0f0;
    t |= (((data & 0x0f0f) * a) >> 4) & 0x0f0f;

    qargb4444 result;
    result.data = t;
    return result;
}

qrgb444::qrgb444(quint32 v)
{
    v &= 0xf0f0f0f0;
    const int r = qRed(v) << 4;
    const int g = qGreen(v);
    const int b = qBlue(v) >> 4;

    data = r | g | b;
}

qrgb444::qrgb444(qargb4444 v)
{
    data = v.data & 0x0fff;
}

qrgb444::operator quint32() const
{
    const int r = (data & 0x0f00);
    const int g = (data & 0x00f0);
    const int b = (data & 0x000f);
    const int tr = (r >> 4) | (r >> 8);
    const int tg = g | (g >> 4);
    const int tb = (b << 4) | b;

    return qRgb(tr, tg, tb);
}

qrgb444::operator quint8() const
{
    // hw: optimize!
    return qt_colorConvert<quint8, quint32>(operator quint32(), 0);
}

qrgb444 qrgb444::operator+(qrgb444 v) const
{
    qrgb444 t;
    t.data = data + v.data;
    return t;
}

qrgb444 qrgb444::byte_mul(quint8 a) const
{
    quint16 t = (((data & 0xf0f0) * a) >> 4) & 0xf0f0;
    t |= (((data & 0x0f0f) * a) >> 4) & 0x0f0f;

    qrgb444 result;
    result.data = t;
    return result;
}

#ifdef QT_QWS_DEPTH_GENERIC

struct qrgb
{
public:
    static int bpp;
    static int len_red;
    static int len_green;
    static int len_blue;
    static int len_alpha;
    static int off_red;
    static int off_green;
    static int off_blue;
    static int off_alpha;
} Q_PACKED;

template <typename SRC>
Q_STATIC_TEMPLATE_FUNCTION inline quint32 qt_convertToRgb(SRC color);

template <>
inline quint32 qt_convertToRgb(quint32 color)
{
    const int r = qRed(color) >> (8 - qrgb::len_red);
    const int g = qGreen(color) >> (8 - qrgb::len_green);
    const int b = qBlue(color) >> (8 - qrgb::len_blue);
    const int a = qAlpha(color) >> (8 - qrgb::len_alpha);
    const quint32 v = (r << qrgb::off_red)
                      | (g << qrgb::off_green)
                      | (b << qrgb::off_blue)
                      | (a << qrgb::off_alpha);

    return v;
}

template <>
inline quint32 qt_convertToRgb(quint16 color)
{
    return qt_convertToRgb(qt_colorConvert<quint32, quint16>(color, 0));
}

class qrgb_generic16
{
public:
    inline qrgb_generic16(quint32 color)
    {
        const int r = qRed(color) >> (8 - qrgb::len_red);
        const int g = qGreen(color) >> (8 - qrgb::len_green);
        const int b = qBlue(color) >> (8 - qrgb::len_blue);
        const int a = qAlpha(color) >> (8 - qrgb::len_alpha);
        data = (r << qrgb::off_red)
               | (g << qrgb::off_green)
               | (b << qrgb::off_blue)
               | (a << qrgb::off_alpha);
    }

    inline operator quint16 () { return data; }
    inline quint32 operator<<(int shift) const { return data << shift; }

private:
    quint16 data;
} Q_PACKED;

template <>
inline qrgb_generic16 qt_colorConvert(quint32 color, qrgb_generic16 dummy)
{
    Q_UNUSED(dummy);
    return qrgb_generic16(color);
}

template <>
inline qrgb_generic16 qt_colorConvert(quint16 color, qrgb_generic16 dummy)
{
    Q_UNUSED(dummy);
    return qrgb_generic16(qt_colorConvert<quint32, quint16>(color, 0));
}

#endif // QT_QWS_DEPTH_GENERIC

template <class T>
void qt_memfill(T *dest, T value, int count);

template<> inline void qt_memfill(quint32 *dest, quint32 color, int count)
{
    extern void (*qt_memfill32)(quint32 *dest, quint32 value, int count);
    qt_memfill32(dest, color, count);
}

template<> inline void qt_memfill(quint16 *dest, quint16 color, int count)
{
    extern void (*qt_memfill16)(quint16 *dest, quint16 value, int count);
    qt_memfill16(dest, color, count);
}

template<> inline void qt_memfill(quint8 *dest, quint8 color, int count)
{
    memset(dest, color, count);
}

template <class T>
inline void qt_memfill(T *dest, T value, int count)
{
    if (!count)
        return;

    int n = (count + 7) / 8;
    switch (count & 0x07)
    {
    case 0: do { *dest++ = value;
    case 7:      *dest++ = value;
    case 6:      *dest++ = value;
    case 5:      *dest++ = value;
    case 4:      *dest++ = value;
    case 3:      *dest++ = value;
    case 2:      *dest++ = value;
    case 1:      *dest++ = value;
    } while (--n > 0);
    }
}

template <class T>
inline void qt_rectfill(T *dest, T value,
                        int x, int y, int width, int height, int stride)
{
    char *d = reinterpret_cast<char*>(dest + x) + y * stride;
    if (uint(stride) == (width * sizeof(T))) {
        qt_memfill(reinterpret_cast<T*>(d), value, width * height);
    } else {
        for (int j = 0; j < height; ++j) {
            dest = reinterpret_cast<T*>(d);
            qt_memfill(dest, value, width);
            d += stride;
        }
    }
}

template <class DST, class SRC>
inline void qt_memconvert(DST *dest, const SRC *src, int count)
{
    if (sizeof(DST) == 1) {
        while (count) {
            int n = 1;
            const SRC color = *src++;
            const DST dstColor = qt_colorConvert<DST, SRC>(color, 0);
            while (--count && (*src == color || dstColor == qt_colorConvert<DST, SRC>(*src, 0))) {
                ++n;
                ++src;
            }
            qt_memfill(dest, dstColor, n);
            dest += n;
        }
    } else {
        /* Duff's device */
        int n = (count + 7) / 8;
        switch (count & 0x07)
        {
        case 0: do { *dest++ = qt_colorConvert<DST, SRC>(*src++, 0);
            case 7:      *dest++ = qt_colorConvert<DST, SRC>(*src++, 0);
            case 6:      *dest++ = qt_colorConvert<DST, SRC>(*src++, 0);
            case 5:      *dest++ = qt_colorConvert<DST, SRC>(*src++, 0);
            case 4:      *dest++ = qt_colorConvert<DST, SRC>(*src++, 0);
            case 3:      *dest++ = qt_colorConvert<DST, SRC>(*src++, 0);
            case 2:      *dest++ = qt_colorConvert<DST, SRC>(*src++, 0);
            case 1:      *dest++ = qt_colorConvert<DST, SRC>(*src++, 0);
            } while (--n > 0);
        }
    }
}

#define QT_TRIVIAL_MEMCONVERT_IMPL(T) \
    template <> \
    inline void qt_memconvert(T *dest, const T *src, int count) \
    { \
        memcpy(dest, src, count * sizeof(T)); \
    }
QT_TRIVIAL_MEMCONVERT_IMPL(quint32)
QT_TRIVIAL_MEMCONVERT_IMPL(qrgb888)
QT_TRIVIAL_MEMCONVERT_IMPL(qargb6666)
QT_TRIVIAL_MEMCONVERT_IMPL(qrgb666)
QT_TRIVIAL_MEMCONVERT_IMPL(quint16)
QT_TRIVIAL_MEMCONVERT_IMPL(qrgb565)
QT_TRIVIAL_MEMCONVERT_IMPL(qargb8565)
QT_TRIVIAL_MEMCONVERT_IMPL(qargb8555)
QT_TRIVIAL_MEMCONVERT_IMPL(qrgb555)
QT_TRIVIAL_MEMCONVERT_IMPL(qargb4444)
QT_TRIVIAL_MEMCONVERT_IMPL(qrgb444)
#undef QT_TRIVIAL_MEMCONVERT_IMPL

#if Q_BYTE_ORDER == Q_LITTLE_ENDIAN
template <>
inline void qt_memconvert(qrgb666 *dest, const quint32 *src, int count)
{
    if (count < 3) {
        switch (count) {
        case 2: *dest++ = qrgb666(*src++);
        case 1: *dest = qrgb666(*src);
        }
        return;
    }

    const int align = (quintptr(dest) & 3);
    switch (align) {
    case 1: *dest++ = qrgb666(*src++); --count;
    case 2: *dest++ = qrgb666(*src++); --count;
    case 3: *dest++ = qrgb666(*src++); --count;
    }

    quint32 *dest32 = reinterpret_cast<quint32*>(dest);
    int sourceCount = count >> 2;
    while (sourceCount--) {
        dest32[0] = ((src[1] & 0x00000c00) << 20)
                    | ((src[1] & 0x000000fc) << 22)
                    | ((src[0] & 0x00fc0000) >> 6)
                    | ((src[0] & 0x0000fc00) >> 4)
                    |  ((src[0] & 0x000000fc) >> 2);
        dest32[1] = ((src[2] & 0x003c0000) << 10)
                    | ((src[2] & 0x0000fc00) << 12)
                    | ((src[2] & 0x000000fc) << 14)
                    | ((src[1] & 0x00fc0000) >> 14)
                    | ((src[1] & 0x0000f000) >> 12);
        dest32[2] = ((src[3] & 0x00fc0000) << 2)
                    | ((src[3] & 0x0000fc00) << 4)
                    | ((src[3] & 0x000000fc) << 6)
                    | ((src[2] & 0x00c00000) >> 22);
        dest32 += 3;
        src += 4;
    }

    dest = reinterpret_cast<qrgb666*>(dest32);
    switch (count & 3) {
    case 3: *dest++ = qrgb666(*src++);
    case 2: *dest++ = qrgb666(*src++);
    case 1: *dest = qrgb666(*src);
    }
}
#endif // Q_BYTE_ORDER

template <class T>
inline void qt_rectcopy(T *dest, const T *src,
                        int x, int y, int width, int height,
                        int dstStride, int srcStride)
{
    char *d = (char*)(dest + x) + y * dstStride;
    const char *s = (char*)(src);
    for (int i = 0; i < height; ++i) {
        ::memcpy(d, s, width * sizeof(T));
        d += dstStride;
        s += srcStride;
    }
}

template <class DST, class SRC>
inline void qt_rectconvert(DST *dest, const SRC *src,
                           int x, int y, int width, int height,
                           int dstStride, int srcStride)
{
    char *d = (char*)(dest + x) + y * dstStride;
    const char *s = (char*)(src);
    for (int i = 0; i < height; ++i) {
        qt_memconvert<DST,SRC>((DST*)d, (const SRC*)s, width);
        d += dstStride;
        s += srcStride;
    }
}

#define QT_RECTCONVERT_TRIVIAL_IMPL(T)                                  \
    template <>                                                         \
    inline void qt_rectconvert(T *dest, const T *src,                   \
                               int x, int y, int width, int height,     \
                               int dstStride, int srcStride)            \
    {                                                                   \
        qt_rectcopy(dest, src, x, y, width, height, dstStride, srcStride); \
    }
QT_RECTCONVERT_TRIVIAL_IMPL(quint32)
QT_RECTCONVERT_TRIVIAL_IMPL(qrgb888)
QT_RECTCONVERT_TRIVIAL_IMPL(qargb6666)
QT_RECTCONVERT_TRIVIAL_IMPL(qrgb666)
QT_RECTCONVERT_TRIVIAL_IMPL(qrgb565)
QT_RECTCONVERT_TRIVIAL_IMPL(qargb8565)
QT_RECTCONVERT_TRIVIAL_IMPL(quint16)
QT_RECTCONVERT_TRIVIAL_IMPL(qargb8555)
QT_RECTCONVERT_TRIVIAL_IMPL(qrgb555)
QT_RECTCONVERT_TRIVIAL_IMPL(qargb4444)
QT_RECTCONVERT_TRIVIAL_IMPL(qrgb444)
#undef QT_RECTCONVERT_TRIVIAL_IMPL

#ifdef QT_QWS_DEPTH_GENERIC
template <> void qt_rectconvert(qrgb *dest, const quint32 *src,
                                int x, int y, int width, int height,
                                int dstStride, int srcStride);

template <> void qt_rectconvert(qrgb *dest, const quint16 *src,
                                int x, int y, int width, int height,
                                int dstStride, int srcStride);
#endif // QT_QWS_DEPTH_GENERIC

#define QT_MEMFILL_UINT(dest, length, color)            \
    qt_memfill<quint32>(dest, color, length);

#define QT_MEMFILL_USHORT(dest, length, color) \
    qt_memfill<quint16>(dest, color, length);

#define QT_MEMCPY_REV_UINT(dest, src, length) \
do {                                          \
    /* Duff's device */                       \
    uint *_d = (uint*)(dest) + length;         \
    const uint *_s = (uint*)(src) + length;    \
    register int n = ((length) + 7) / 8;      \
    switch ((length) & 0x07)                  \
    {                                         \
    case 0: do { *--_d = *--_s;                 \
    case 7:      *--_d = *--_s;                 \
    case 6:      *--_d = *--_s;                 \
    case 5:      *--_d = *--_s;                 \
    case 4:      *--_d = *--_s;                 \
    case 3:      *--_d = *--_s;                 \
    case 2:      *--_d = *--_s;                 \
    case 1:      *--_d = *--_s;                 \
    } while (--n > 0);                        \
    }                                         \
} while (0)

#define QT_MEMCPY_USHORT(dest, src, length) \
do {                                          \
    /* Duff's device */                       \
    ushort *_d = (ushort*)(dest);         \
    const ushort *_s = (ushort*)(src);    \
    register int n = ((length) + 7) / 8;      \
    switch ((length) & 0x07)                  \
    {                                         \
    case 0: do { *_d++ = *_s++;                 \
    case 7:      *_d++ = *_s++;                 \
    case 6:      *_d++ = *_s++;                 \
    case 5:      *_d++ = *_s++;                 \
    case 4:      *_d++ = *_s++;                 \
    case 3:      *_d++ = *_s++;                 \
    case 2:      *_d++ = *_s++;                 \
    case 1:      *_d++ = *_s++;                 \
    } while (--n > 0);                        \
    }                                         \
} while (0)

#if defined(Q_CC_RVCT)
#  pragma push
#  pragma arm
#endif
Q_STATIC_INLINE_FUNCTION int qt_div_255(int x) { return (x + (x>>8) + 0x80) >> 8; }
#if defined(Q_CC_RVCT)
#  pragma pop
#endif

inline ushort qConvertRgb32To16(uint c)
{
   return (((c) >> 3) & 0x001f)
       | (((c) >> 5) & 0x07e0)
       | (((c) >> 8) & 0xf800);
}

#if defined(Q_WS_QWS) || (QT_VERSION >= 0x040400)
inline quint32 qConvertRgb32To16x2(quint64 c)
{
    c = (((c) >> 3) & Q_UINT64_C(0x001f0000001f))
        | (((c) >> 5) & Q_UINT64_C(0x07e0000007e0))
        | (((c) >> 8) & Q_UINT64_C(0xf8000000f800));
    return c | (c >> 16);
}
#endif

inline QRgb qConvertRgb16To32(uint c)
{
    return 0xff000000
        | ((((c) << 3) & 0xf8) | (((c) >> 2) & 0x7))
        | ((((c) << 5) & 0xfc00) | (((c) >> 1) & 0x300))
        | ((((c) << 8) & 0xf80000) | (((c) << 3) & 0x70000));
}

inline int qRed565(quint16 rgb) {
    const int r = (rgb & 0xf800);
    return (r >> 8) | (r >> 13);
}

inline int qGreen565(quint16 rgb) {
    const int g = (rgb & 0x07e0);
    return (g >> 3) | (g >> 9);
}

inline int qBlue565(quint16 rgb) {
    const int b = (rgb & 0x001f);
    return (b << 3) | (b >> 2);
}

const uint qt_bayer_matrix[16][16] = {
    { 0x1, 0xc0, 0x30, 0xf0, 0xc, 0xcc, 0x3c, 0xfc,
      0x3, 0xc3, 0x33, 0xf3, 0xf, 0xcf, 0x3f, 0xff},
    { 0x80, 0x40, 0xb0, 0x70, 0x8c, 0x4c, 0xbc, 0x7c,
      0x83, 0x43, 0xb3, 0x73, 0x8f, 0x4f, 0xbf, 0x7f},
    { 0x20, 0xe0, 0x10, 0xd0, 0x2c, 0xec, 0x1c, 0xdc,
      0x23, 0xe3, 0x13, 0xd3, 0x2f, 0xef, 0x1f, 0xdf},
    { 0xa0, 0x60, 0x90, 0x50, 0xac, 0x6c, 0x9c, 0x5c,
      0xa3, 0x63, 0x93, 0x53, 0xaf, 0x6f, 0x9f, 0x5f},
    { 0x8, 0xc8, 0x38, 0xf8, 0x4, 0xc4, 0x34, 0xf4,
      0xb, 0xcb, 0x3b, 0xfb, 0x7, 0xc7, 0x37, 0xf7},
    { 0x88, 0x48, 0xb8, 0x78, 0x84, 0x44, 0xb4, 0x74,
      0x8b, 0x4b, 0xbb, 0x7b, 0x87, 0x47, 0xb7, 0x77},
    { 0x28, 0xe8, 0x18, 0xd8, 0x24, 0xe4, 0x14, 0xd4,
      0x2b, 0xeb, 0x1b, 0xdb, 0x27, 0xe7, 0x17, 0xd7},
    { 0xa8, 0x68, 0x98, 0x58, 0xa4, 0x64, 0x94, 0x54,
      0xab, 0x6b, 0x9b, 0x5b, 0xa7, 0x67, 0x97, 0x57},
    { 0x2, 0xc2, 0x32, 0xf2, 0xe, 0xce, 0x3e, 0xfe,
      0x1, 0xc1, 0x31, 0xf1, 0xd, 0xcd, 0x3d, 0xfd},
    { 0x82, 0x42, 0xb2, 0x72, 0x8e, 0x4e, 0xbe, 0x7e,
      0x81, 0x41, 0xb1, 0x71, 0x8d, 0x4d, 0xbd, 0x7d},
    { 0x22, 0xe2, 0x12, 0xd2, 0x2e, 0xee, 0x1e, 0xde,
      0x21, 0xe1, 0x11, 0xd1, 0x2d, 0xed, 0x1d, 0xdd},
    { 0xa2, 0x62, 0x92, 0x52, 0xae, 0x6e, 0x9e, 0x5e,
      0xa1, 0x61, 0x91, 0x51, 0xad, 0x6d, 0x9d, 0x5d},
    { 0xa, 0xca, 0x3a, 0xfa, 0x6, 0xc6, 0x36, 0xf6,
      0x9, 0xc9, 0x39, 0xf9, 0x5, 0xc5, 0x35, 0xf5},
    { 0x8a, 0x4a, 0xba, 0x7a, 0x86, 0x46, 0xb6, 0x76,
      0x89, 0x49, 0xb9, 0x79, 0x85, 0x45, 0xb5, 0x75},
    { 0x2a, 0xea, 0x1a, 0xda, 0x26, 0xe6, 0x16, 0xd6,
      0x29, 0xe9, 0x19, 0xd9, 0x25, 0xe5, 0x15, 0xd5},
    { 0xaa, 0x6a, 0x9a, 0x5a, 0xa6, 0x66, 0x96, 0x56,
      0xa9, 0x69, 0x99, 0x59, 0xa5, 0x65, 0x95, 0x55}
};

#define ARGB_COMBINE_ALPHA(argb, alpha) \
    ((((argb >> 24) * alpha) >> 8) << 24) | (argb & 0x00ffffff)


#if QT_POINTER_SIZE == 8 // 64-bit versions
#define AMIX(mask) (qMin(((qint64(s)&mask) + (qint64(d)&mask)), qint64(mask)))
#define MIX(mask) (qMin(((qint64(s)&mask) + (qint64(d)&mask)), qint64(mask)))
#else // 32 bits
// The mask for alpha can overflow over 32 bits
#define AMIX(mask) quint32(qMin(((qint64(s)&mask) + (qint64(d)&mask)), qint64(mask)))
#define MIX(mask) (qMin(((quint32(s)&mask) + (quint32(d)&mask)), quint32(mask)))
#endif

inline int comp_func_Plus_one_pixel_const_alpha(uint d, const uint s, const uint const_alpha, const uint one_minus_const_alpha)
{
    const int result = (AMIX(AMASK) | MIX(RMASK) | MIX(GMASK) | MIX(BMASK));
    return INTERPOLATE_PIXEL_255(result, const_alpha, d, one_minus_const_alpha);
}

inline int comp_func_Plus_one_pixel(uint d, const uint s)
{
    const int result = (AMIX(AMASK) | MIX(RMASK) | MIX(GMASK) | MIX(BMASK));
    return result;
}

#undef MIX
#undef AMIX

// prototypes of all the composition functions
void QT_FASTCALL comp_func_SourceOver(uint *dest, const uint *src, int length, uint const_alpha);
void QT_FASTCALL comp_func_DestinationOver(uint *dest, const uint *src, int length, uint const_alpha);
void QT_FASTCALL comp_func_Clear(uint *dest, const uint *, int length, uint const_alpha);
void QT_FASTCALL comp_func_Source(uint *dest, const uint *src, int length, uint const_alpha);
void QT_FASTCALL comp_func_Destination(uint *, const uint *, int, uint);
void QT_FASTCALL comp_func_SourceIn(uint *dest, const uint *src, int length, uint const_alpha);
void QT_FASTCALL comp_func_DestinationIn(uint *dest, const uint *src, int length, uint const_alpha);
void QT_FASTCALL comp_func_SourceOut(uint *dest, const uint *src, int length, uint const_alpha);
void QT_FASTCALL comp_func_DestinationOut(uint *dest, const uint *src, int length, uint const_alpha);
void QT_FASTCALL comp_func_SourceAtop(uint *dest, const uint *src, int length, uint const_alpha);
void QT_FASTCALL comp_func_DestinationAtop(uint *dest, const uint *src, int length, uint const_alpha);
void QT_FASTCALL comp_func_XOR(uint *dest, const uint *src, int length, uint const_alpha);
void QT_FASTCALL comp_func_Plus(uint *dest, const uint *src, int length, uint const_alpha);
void QT_FASTCALL comp_func_Multiply(uint *dest, const uint *src, int length, uint const_alpha);
void QT_FASTCALL comp_func_Screen(uint *dest, const uint *src, int length, uint const_alpha);
void QT_FASTCALL comp_func_Overlay(uint *dest, const uint *src, int length, uint const_alpha);
void QT_FASTCALL comp_func_Darken(uint *dest, const uint *src, int length, uint const_alpha);
void QT_FASTCALL comp_func_Lighten(uint *dest, const uint *src, int length, uint const_alpha);
void QT_FASTCALL comp_func_ColorDodge(uint *dest, const uint *src, int length, uint const_alpha);
void QT_FASTCALL comp_func_ColorBurn(uint *dest, const uint *src, int length, uint const_alpha);
void QT_FASTCALL comp_func_HardLight(uint *dest, const uint *src, int length, uint const_alpha);
void QT_FASTCALL comp_func_SoftLight(uint *dest, const uint *src, int length, uint const_alpha);
void QT_FASTCALL comp_func_Difference(uint *dest, const uint *src, int length, uint const_alpha);
void QT_FASTCALL comp_func_Exclusion(uint *dest, const uint *src, int length, uint const_alpha);
void QT_FASTCALL rasterop_SourceOrDestination(uint *dest, const uint *src, int length, uint const_alpha);
void QT_FASTCALL rasterop_SourceAndDestination(uint *dest, const uint *src, int length, uint const_alpha);
void QT_FASTCALL rasterop_SourceXorDestination(uint *dest, const uint *src, int length, uint const_alpha);
void QT_FASTCALL rasterop_NotSourceAndNotDestination(uint *dest, const uint *src, int length, uint const_alpha);
void QT_FASTCALL rasterop_NotSourceOrNotDestination(uint *dest, const uint *src, int length, uint const_alpha);
void QT_FASTCALL rasterop_NotSourceXorDestination(uint *dest, const uint *src, int length, uint const_alpha);
void QT_FASTCALL rasterop_NotSource(uint *dest, const uint *src, int length, uint const_alpha);
void QT_FASTCALL rasterop_NotSourceAndDestination(uint *dest, const uint *src, int length, uint const_alpha);
void QT_FASTCALL rasterop_SourceAndNotDestination(uint *dest, const uint *src, int length, uint const_alpha);

// prototypes of all the solid composition functions
void QT_FASTCALL comp_func_solid_SourceOver(uint *dest, int length, uint color, uint const_alpha);
void QT_FASTCALL comp_func_solid_DestinationOver(uint *dest, int length, uint color, uint const_alpha);
void QT_FASTCALL comp_func_solid_Clear(uint *dest, int length, uint color, uint const_alpha);
void QT_FASTCALL comp_func_solid_Source(uint *dest, int length, uint color, uint const_alpha);
void QT_FASTCALL comp_func_solid_Destination(uint *dest, int length, uint color, uint const_alpha);
void QT_FASTCALL comp_func_solid_SourceIn(uint *dest, int length, uint color, uint const_alpha);
void QT_FASTCALL comp_func_solid_DestinationIn(uint *dest, int length, uint color, uint const_alpha);
void QT_FASTCALL comp_func_solid_SourceOut(uint *dest, int length, uint color, uint const_alpha);
void QT_FASTCALL comp_func_solid_DestinationOut(uint *dest, int length, uint color, uint const_alpha);
void QT_FASTCALL comp_func_solid_SourceAtop(uint *dest, int length, uint color, uint const_alpha);
void QT_FASTCALL comp_func_solid_DestinationAtop(uint *dest, int length, uint color, uint const_alpha);
void QT_FASTCALL comp_func_solid_XOR(uint *dest, int length, uint color, uint const_alpha);
void QT_FASTCALL comp_func_solid_Plus(uint *dest, int length, uint color, uint const_alpha);
void QT_FASTCALL comp_func_solid_Multiply(uint *dest, int length, uint color, uint const_alpha);
void QT_FASTCALL comp_func_solid_Screen(uint *dest, int length, uint color, uint const_alpha);
void QT_FASTCALL comp_func_solid_Overlay(uint *dest, int length, uint color, uint const_alpha);
void QT_FASTCALL comp_func_solid_Darken(uint *dest, int length, uint color, uint const_alpha);
void QT_FASTCALL comp_func_solid_Lighten(uint *dest, int length, uint color, uint const_alpha);
void QT_FASTCALL comp_func_solid_ColorDodge(uint *dest, int length, uint color, uint const_alpha);
void QT_FASTCALL comp_func_solid_ColorBurn(uint *dest, int length, uint color, uint const_alpha);
void QT_FASTCALL comp_func_solid_HardLight(uint *dest, int length, uint color, uint const_alpha);
void QT_FASTCALL comp_func_solid_SoftLight(uint *dest, int length, uint color, uint const_alpha);
void QT_FASTCALL comp_func_solid_Difference(uint *dest, int length, uint color, uint const_alpha);
void QT_FASTCALL comp_func_solid_Exclusion(uint *dest, int length, uint color, uint const_alpha);
void QT_FASTCALL rasterop_solid_SourceOrDestination(uint *dest, int length, uint color, uint const_alpha);
void QT_FASTCALL rasterop_solid_SourceAndDestination(uint *dest, int length, uint color, uint const_alpha);
void QT_FASTCALL rasterop_solid_SourceXorDestination(uint *dest, int length, uint color, uint const_alpha);
void QT_FASTCALL rasterop_solid_NotSourceAndNotDestination(uint *dest, int length, uint color, uint const_alpha);
void QT_FASTCALL rasterop_solid_NotSourceOrNotDestination(uint *dest, int length, uint color, uint const_alpha);
void QT_FASTCALL rasterop_solid_NotSourceXorDestination(uint *dest, int length, uint color, uint const_alpha);
void QT_FASTCALL rasterop_solid_NotSource(uint *dest, int length, uint color, uint const_alpha);
void QT_FASTCALL rasterop_solid_NotSourceAndDestination(uint *dest, int length, uint color, uint const_alpha);
void QT_FASTCALL rasterop_solid_SourceAndNotDestination(uint *dest, int length, uint color, uint const_alpha);

QT_END_NAMESPACE

#endif // QDRAWHELPER_P_H