This file is indexed.

/usr/include/gdpp.h is in libgd-dev 2.1.0-3ubuntu0.11.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

   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
/* *****************************************************************************
** $Id$
** Initial file written and documented by:
** Kevin Shepherd <kshepherd@php.net> December 2007
** of Scarlet Line http://www.scarletline.com/
** with contributions from Torben Nielsen.
*******************************************************************************/
/** \file gdpp.h
	\brief Object Oriented C++ wrappers around libgd functionality.

	Example usage, convert png to gif:
	#include <fstream>
	#include <gdpp.h>

	std::ifstream in("image.png", std::ios_base::in | std::ios_base::binary );
	GD::Image im(in, GD::Png_tag());
	if (im.good())
		{
		std::ofstream out("image.gif", std::ios_base::out | std::ios_base::binary );
		im.Gif(out);
		}
*/
#ifdef __cplusplus
#ifndef _gdpp_h
#define _gdpp_h

#include "gd_io_stream.h"
#include <string>

/// namespace GD:: contains the C++ wrapper classes for libgd
/** This namespace is primarily to avoid name clashes, and to
	contain all of the gd classes within one namespace.
	It is not recommended to use the "using namespace" directive with this namespace.
	Example usage:
	GD::Image	im(64, 32, true); // Create a truecolor image 64 pixels wide by 32 pixels high
	GD::Point	pt(10, 8); // The point at x=10, y=8.
	GD::Size	sz(16, 8); // The size width=16, height=8.
	GD::TrueColor	col(0xFF, 0, 0); // The colour red; R=255, G=0, B=0.
	im.Rectangle(pt, sz, col.Int()); // Draw a red rectangle with top left corner at pt, of size sz.
*/
namespace GD
{
/**	This class GD::Point stores a point in two dimensions, somewhere
	on the plane of an image.
*/
class Point
{
public:
	// Constructors
	Point(int x, int y)
		:_x(x), _y(y) {}
	Point(const Point & p)
		:_x(p._x), _y(p._y) {}
	Point()
		:_x(0), _y(0) {}
	Point & operator=(const Point & p) {
		_x = p._x;
		_y = p._y;
		return (* this);
	}
	// Accessors
	int X() const {
		return _x;
	}
	int Y() const {
		return _y;
	}
	// Updaters
	void X(int x) {
		_x = x;
	}
	void Y(int y) {
		_y = y;
	}
	void set(int x, int y) {
		_x = x;
		_y = y;
	}
	int & lhsX() {
		return _x;
	}
	int & lhsY() {
		return _y;
	}

	gdPointPtr as_gdPointPtr() {
		return (gdPointPtr) this;
	}
protected:
	int	_x, _y;
};
typedef Point * PointPtr;
/**	This class GD::Size stores length in two dimensions.
	Giving the size of an area as width and height.
*/
class Size
{
public:
	// Constructors
	Size(int w, int h)
		:_w(w), _h(h) {}
	Size(const Size & p)
		:_w(p._w), _h(p._h) {}
	Size()
		:_w(0), _h(0) {}
	Size & operator=(const Size & p) {
		_w = p._w;
		_h = p._h;
		return (* this);
	}
	// Accessors
	int W() const {
		return _w;
	}
	int H() const {
		return _h;
	}
	// Updaters
	void W(int w) {
		_w = w;
	}
	void H(int h) {
		_h = h;
	}
	void set(int w, int h) {
		_w = w;
		_h = h;
	}
	int & lhsW() {
		return _w;
	}
	int & lhsH() {
		return _h;
	}
protected:
	int	_w, _h;
};
typedef Size * SizePtr;

/**	This class GD::TrueColor stores a colour as an RGBA quadruplet.
	It can also be read as an integer, and in other colour formats.
*/
class TrueColor
{
public:
	union as_types {
		int as_int;
		struct uchars {
			unsigned char blue, green, red, alpha;
		} as_uchar;
	};
	TrueColor() {
		internal.as_int = 0;
	}
	TrueColor(int c) {
		internal.as_int = c;
	}
	TrueColor(unsigned char r, unsigned char g, unsigned char b, unsigned char a = 0) {
		internal.as_uchar.alpha = a;
		internal.as_uchar.red = r;
		internal.as_uchar.green = g;
		internal.as_uchar.blue = b;
	}
	// Accessors
	int Int() const {
		return internal.as_int;
	}
	unsigned char Red() const {
		return internal.as_uchar.red;
	}
	unsigned char Green() const {
		return internal.as_uchar.green;
	}
	unsigned char Blue() const {
		return internal.as_uchar.blue;
	}
	unsigned char Alpha() const {
		return internal.as_uchar.alpha;
	}
	// Updaters
	void set(int c) {
		internal.as_int = c;
	}
	void set(unsigned char r, unsigned char g, unsigned char b, unsigned char a = 0) {
		internal.as_uchar.alpha = a;
		internal.as_uchar.red = r;
		internal.as_uchar.green = g;
		internal.as_uchar.blue = b;
	}
	void Red(unsigned char c) {
		internal.as_uchar.red = c;
	}
	void Green(unsigned char c) {
		internal.as_uchar.green = c;
	}
	void Blue(unsigned char c) {
		internal.as_uchar.blue = c;
	}
	void Alpha(unsigned char c) {
		internal.as_uchar.alpha = c;
	}
protected:
	as_types internal;
};
/*	The following tags are simply empty structures which are used
	to tell the compiler which constructor we want when we know
	the image file format.
*/
struct Png_tag {};
struct Gif_tag {};
struct WBMP_tag {};
struct Jpeg_tag {};
struct Gd_tag {};
struct Gd2_tag {};
struct Xbm_tag {};

/**	This class GD::Image wraps all of the 'C' libgd functionality
	for the convenience of C++ users.  An instance of this class
	corresponds to a single image.
*/
class BGD_EXPORT_DATA_IMPL Image
{
public:
	/**	Construct a null image
	*/
	Image()
		:im(0)
	{}
	/** Construct a blank image, of the given size and colour format type.
		\param[in] sx Width of the image
		\param[in] sy Height of the image
		\param[in] istruecolor Create a true colour image, defaults to false, i.e. create an indexed palette image.
	*/
	Image(int sx, int sy, bool istruecolor = false)
		:im(0) {
		if (istruecolor)
			CreateTrueColor(sx, sy);
		else
			Create(sx, sy);
	}
	/** Construct a blank image, of the given size and colour format type.
		\param[in] s Width and height of the image
		\param[in] istruecolor Create a true colour image, defaults to false, i.e. create an indexed palette image.
	*/
	Image(const Size & s, bool istruecolor = false)
		:im(0) {
		if (istruecolor)
			CreateTrueColor(s);
		else
			Create(s);
	}
	/** Construct an instance of the GD::Image class, given the internal gdImage poimter.
		Note that gdImageDestroy will be called on the image pointer in the destructor.
		\param[in] i Pointer to the internal gdImage
	*/
	Image(gdImagePtr i)
		:im(i) {}
	/** Copy constructor. Construct an instance of the GD::Image class,
		by making a copy of the GD::Image provided.
		\param[in] i Reference to the image to be copied
	*/
	Image(const GD::Image & i)
		:im(0) {
		Copy(i);
	}
	/** Construct an image by reading from \p in.  This constructor
		will first attempt to determine the file format.
		\param[in] in The stream containing the image data
	*/
	Image(std::istream & in)
		:im(0) {
		CreateFrom(in);
	}
	/** Construct an image by reading from \p in.  This constructor
		will first attempt to determine the file format.
		\param[in] in An opened FILE * handle to a file containing the image data
	*/
	Image(FILE * in)
		:im(0) {
		CreateFrom(in);
	}
	/** Construct an image by reading from memory block \p data.  This constructor
		will first attempt to determine the image formatting.
		\param[in] size The byte count of the memory block
		\param[in] data Pointer to the memory block
	*/
	Image(int size, void * data)
		:im(0) {
		CreateFrom(size, data);
	}
#if HAVE_PNG
	/** Construct an image by reading from \p in.
		The tag is an empty struct which simply tells the compiler which image read function to use.
		e.g. GD::Image img(input, GD::Png_tag()); // read a png file from input
		\param[in] in The stream containing the image data
	*/
	Image(std::istream & in, Png_tag)
		:im(0) {
		CreateFromPng(in);
	}
	/** Construct an image by reading from \p in.
		The tag is an empty struct which simply tells the compiler which image read function to use.
		e.g. GD::Image img(input, GD::Png_tag()); // read a png file from input
		\param[in] in An opened FILE * handle to a file containing the image data
	*/
	Image(FILE * in, Png_tag)
		:im(0) {
		CreateFromPng(in);
	}
	/** Construct an image by reading from \p in.
		The tag is an empty struct which simply tells the compiler which image read function to use.
		e.g. GD::Image img(input, GD::Png_tag()); // read a png file from input
		\param[in] in The io context from which to read the image data
	*/
	Image(gdIOCtx * in, Png_tag)
		:im(0) {
		CreateFromPng(in);
	}
	/** Construct an image by reading from memory block \p data.
		The tag is an empty struct which simply tells the compiler which image read function to use.
		e.g. GD::Image img(sz, dat, GD::Png_tag()); // read a png file from dat
		\param[in] size The byte count of the memory block
		\param[in] data Pointer to the memory block
	*/
	Image(int size, void * data, Png_tag)
		:im(0) {
		CreateFromPng(size, data);
	}
#endif

	/** Construct an image by reading from \p in.
		The tag is an empty struct which simply tells the compiler which image read function to use.
		e.g. GD::Image img(input, GD::Gif_tag()); // read a gif file from input
		\param[in] in The stream containing the image data
	*/
	Image(std::istream & in, Gif_tag)
		:im(0) {
		CreateFromGif(in);
	}
	/** Construct an image by reading from \p in.
		The tag is an empty struct which simply tells the compiler which image read function to use.
		e.g. GD::Image img(input, GD::Gif_tag()); // read a gif file from input
		\param[in] in An opened FILE * handle to a file containing the image data
	*/
	Image(FILE * in, Gif_tag)
		:im(0) {
		CreateFromGif(in);
	}
	/** Construct an image by reading from \p in.
		The tag is an empty struct which simply tells the compiler which image read function to use.
		e.g. GD::Image img(input, GD::Gif_tag()); // read a gif file from input
		\param[in] in The io context from which to read the image data
	*/
	Image(gdIOCtx * in, Gif_tag)
		:im(0) {
		CreateFromGif(in);
	}
	/** Construct an image by reading from memory block \p data.
		The tag is an empty struct which simply tells the compiler which image read function to use.
		e.g. GD::Image img(sz, dat, GD::Gif_tag()); // read a gif file from dat
		\param[in] size The byte count of the memory block
		\param[in] data Pointer to the memory block
	*/
	Image(int size, void * data, Gif_tag)
		:im(0) {
		CreateFromGif(size, data);
	}

	/** Construct an image by reading from \p in.
		The tag is an empty struct which simply tells the compiler which image read function to use.
		e.g. GD::Image img(input, GD::WBMP_tag()); // read a monchrome WBMP file from input
		\param[in] in The stream containing the image data
	*/
	Image(std::istream & in, WBMP_tag)
		:im(0) {
		CreateFromWBMP(in);
	}
	/** Construct an image by reading from \p in.
		The tag is an empty struct which simply tells the compiler which image read function to use.
		e.g. GD::Image img(input, GD::WBMP_tag()); // read a monchrome WBMP file from input
		\param[in] in An opened FILE * handle to a file containing the image data
	*/
	Image(FILE * in, WBMP_tag)
		:im(0) {
		CreateFromWBMP(in);
	}
	/** Construct an image by reading from \p in.
		The tag is an empty struct which simply tells the compiler which image read function to use.
		e.g. GD::Image img(input, GD::WBMP_tag()); // read a monchrome WBMP file from input
		\param[in] in The io context from which to read the image data
	*/
	Image(gdIOCtx * in, WBMP_tag)
		:im(0) {
		CreateFromWBMP(in);
	}
	/** Construct an image by reading from memory block \p data.
		The tag is an empty struct which simply tells the compiler which image read function to use.
		e.g. GD::Image img(sz, dat, GD::WBMP_tag()); // read a monchrome WBMP file from dat
		\param[in] size The byte count of the memory block
		\param[in] data Pointer to the memory block
	*/
	Image(int size, void * data, WBMP_tag)
		:im(0) {
		CreateFromWBMP(size, data);
	}

#if HAVE_JPEG
	/** Construct an image by reading from \p in.
		The tag is an empty struct which simply tells the compiler which image read function to use.
		e.g. GD::Image img(input, GD::Jpeg_tag()); // read a jpeg file from input
		\param[in] in The stream containing the image data
	*/
	Image(std::istream & in, Jpeg_tag)
		:im(0) {
		CreateFromJpeg(in);
	}
	/** Construct an image by reading from \p in.
		The tag is an empty struct which simply tells the compiler which image read function to use.
		e.g. GD::Image img(input, GD::Jpeg_tag()); // read a jpeg file from input
		\param[in] in An opened FILE * handle to a file containing the image data
	*/
	Image(FILE * in, Jpeg_tag)
		:im(0) {
		CreateFromJpeg(in);
	}
	/** Construct an image by reading from \p in.
		The tag is an empty struct which simply tells the compiler which image read function to use.
		e.g. GD::Image img(input, GD::Jpeg_tag()); // read a jpeg file from input
		\param[in] in The io context from which to read the image data
	*/
	Image(gdIOCtx * in, Jpeg_tag)
		:im(0) {
		CreateFromJpeg(in);
	}
	/** Construct an image by reading from memory block \p data.
		The tag is an empty struct which simply tells the compiler which image read function to use.
		e.g. GD::Image img(sz, dat, GD::Jpeg_tag()); // read a jpeg file from dat
		\param[in] size The byte count of the memory block
		\param[in] data Pointer to the memory block
	*/
	Image(int size, void * data, Jpeg_tag)
		:im(0) {
		CreateFromJpeg(size, data);
	}
#endif

	/** Construct an image by reading from \p in.
		The tag is an empty struct which simply tells the compiler which image read function to use.
		e.g. GD::Image img(input, GD::Gd_tag()); // read a gd file from input
		\param[in] in The stream containing the image data
	*/
	Image(std::istream & in, Gd_tag)
		:im(0) {
		CreateFromGd(in);
	}
	/** Construct an image by reading from \p in.
		The tag is an empty struct which simply tells the compiler which image read function to use.
		e.g. GD::Image img(input, GD::Gd_tag()); // read a gd file from input
		\param[in] in An opened FILE * handle to a file containing the image data
	*/
	Image(FILE * in, Gd_tag)
		:im(0) {
		CreateFromGd(in);
	}
	/** Construct an image by reading from \p in.
		The tag is an empty struct which simply tells the compiler which image read function to use.
		e.g. GD::Image img(input, GD::Gd_tag()); // read a gd file from input
		\param[in] in The io context from which to read the image data
	*/
	Image(gdIOCtx * in, Gd_tag)
		:im(0) {
		CreateFromGd(in);
	}
	/** Construct an image by reading from memory block \p data.
		The tag is an empty struct which simply tells the compiler which image read function to use.
		e.g. GD::Image img(sz, dat, GD::Gd_tag()); // read a gd file from dat
		\param[in] size The byte count of the memory block
		\param[in] data Pointer to the memory block
	*/
	Image(int size, void * data, Gd_tag)
		:im(0) {
		CreateFromGd(size, data);
	}

	/** Construct an image by reading from \p in.
		The tag is an empty struct which simply tells the compiler which image read function to use.
		e.g. GD::Image img(input, GD::Gd2_tag()); // read a gd2 file from input
		\param[in] in The stream containing the image data
	*/
	Image(std::istream & in, Gd2_tag)
		:im(0) {
		CreateFromGd2(in);
	}
	/** Construct an image by reading from \p in.
		The tag is an empty struct which simply tells the compiler which image read function to use.
		e.g. GD::Image img(input, GD::Png_tag()); // read a png file from input
		\param[in] in An opened FILE * handle to a file containing the image data
	*/
	Image(FILE * in, Gd2_tag)
		:im(0) {
		CreateFromGd2(in);
	}
	/** Construct an image by reading from \p in.
		The tag is an empty struct which simply tells the compiler which image read function to use.
		e.g. GD::Image img(input, GD::Gd2_tag()); // read a gd2 file from input
		\param[in] in The io context from which to read the image data
	*/
	Image(gdIOCtx * in, Gd2_tag)
		:im(0) {
		CreateFromGd2(in);
	}
	/** Construct an image by reading from memory block \p data.
		The tag is an empty struct which simply tells the compiler which image read function to use.
		e.g. GD::Image img(sz, dat, GD::Gd2_tag()); // read a gd2 file from dat
		\param[in] size The byte count of the memory block
		\param[in] data Pointer to the memory block
	*/
	Image(int size, void * data, Gd2_tag)
		:im(0) {
		CreateFromGd2(size, data);
	}

	/** Construct an image by reading from \p in.
		The tag is an empty struct which simply tells the compiler which image read function to use.
		e.g. GD::Image img(input, GD::Xbm_tag()); // read an xbm file from input
		\param[in] in An opened FILE * handle to a file containing the image data
	*/
	Image(FILE * in, Xbm_tag)
		:im(0) {
		CreateFromXbm(in);
	}

	~Image() {
		clear();
	}

	/** Assignment Operator. Make this a copy of the GD::Image provided.
		\param[in] src Reference to the image to be copied
	*/
	GD::Image & operator=(const GD::Image & src) {
		Copy(src);
		return (* this);
	}
	/** Make this an exact copy of the GD::Image provided.  Any existing iamge data is discarded.
		\param[in] src Reference to the image to be copied
	*/
	void Copy(const GD::Image & src) {
		int w = src.Width(), h = src.Height();
		if (src.IsTrueColor())
			CreateTrueColor(w, h);
		else {
			Create(w, h);
			PaletteCopy(src);
		}
		Copy(src, 0, 0, 0, 0, w, h);
	}
	/** Check to see if this appears to be a valid image
	*/
	bool good() const {
		return (im != 0);
	}
	// Creation:
	/**
		Create a palette-based image, with no more than 256 colors.
		\param sx Width of the desired image
		\param sy Height of the desired image
		\return true if it worked, else false
	*/
	bool Create(int sx, int sy) {
		clear();
		return ((im = gdImageCreate(sx, sy)) != 0);
	}
	/**
		Create a truecolor image.
		\param sx Width of the desired image
		\param sy Height of the desired image
		\return true if it worked, else false
	*/
	bool CreateTrueColor(int sx, int sy) {
		clear();
		return ((im = gdImageCreateTrueColor(sx, sy)) != 0);
	}
	/**
		Create a palette-based image, with no more than 256 colors.
		\param s Width and height of the desired image
		\return true if it worked, else false
	*/
	bool Create(const Size & s) {
		return Create(s.W(), s.H());
	}
	/**
		Create a truecolor image.
		\param s Width and height of the desired image
		\return true if it worked, else false
	*/
	bool CreateTrueColor(const Size & s) {
		return CreateTrueColor(s.W(), s.H());
	}
	// Create, determining the image format from the data
	/// Read an image from an open FILE * handle, after determining the image format
	bool CreateFrom(FILE * in);
	/// Read an image from an open standard library input stream, after determining the image format
	bool CreateFrom(std::istream & in);
	/// Read an image from a memory block, after determining the image format
	bool CreateFrom(int size, void * data);

#if HAVE_PNG
	// Png
	bool CreateFromPng(FILE * in) {
		clear();
		return ((im = gdImageCreateFromPng(in)) != 0);
	}
	bool CreateFromPng(gdIOCtx * in) {
		clear();
		return ((im = gdImageCreateFromPngCtx(in)) != 0);
	}
	bool CreateFromPng(int size, void * data) {
		clear();
		return ((im = gdImageCreateFromPngPtr(size, data)) != 0);
	}
	bool CreateFromPng(std::istream & in) {
		clear();
		istreamIOCtx _in_ctx(in);
		return ((im = gdImageCreateFromPngCtx( & _in_ctx)) != 0);
	}
#endif

	// Gif
	bool CreateFromGif(FILE * in) {
		clear();
		return ((im = gdImageCreateFromGif(in)) != 0);
	}
	bool CreateFromGif(gdIOCtx * in) {
		clear();
		return ((im = gdImageCreateFromGifCtx(in)) != 0);
	}
	bool CreateFromGif(int size, void * data) {
		clear();
		return ((im = gdImageCreateFromGifPtr(size, data)) != 0);
	}
	bool CreateFromGif(std::istream & in) {
		clear();
		istreamIOCtx _in_ctx(in);
		return ((im = gdImageCreateFromGifCtx( & _in_ctx)) != 0);
	}
	// WBMP
	bool CreateFromWBMP(FILE * in) {
		clear();
		return ((im = gdImageCreateFromWBMP(in)) != 0);
	}
	bool CreateFromWBMP(gdIOCtx * in) {
		clear();
		return ((im = gdImageCreateFromWBMPCtx(in)) != 0);
	}
	bool CreateFromWBMP(int size, void * data) {
		clear();
		return ((im = gdImageCreateFromWBMPPtr(size, data)) != 0);
	}
	bool CreateFromWBMP(std::istream & in) {
		clear();
		istreamIOCtx _in_ctx(in);
		return ((im = gdImageCreateFromWBMPCtx( & _in_ctx)) != 0);
	}

#if HAVE_JPEG
	// Jpeg
	/**
		Load a truecolor image from a JPEG format file.
		Invoke CreateFromJpeg with an already opened
		pointer to a file containing the desired image.
		CreateFromJpeg does not close the file.
		\return true for success, or false if unable to load the image (most often because
		the file is corrupt or does not contain a JPEG image).
		You can call Width() and Height() member functions of the image to determine its
		size. The returned image is always a truecolor image.
	*/
	bool CreateFromJpeg(FILE * in) {
		clear();
		return ((im = gdImageCreateFromJpeg(in)) != 0);
	}
	/**
		Load a truecolor image from a JPEG format file.
		Invoke CreateFromJpeg with an already opened
		pointer to a file containing the desired image.
		CreateFromJpeg does not close the file.
		\return true for success, or false if unable to load the image (most often because the file is corrupt or does not contain a JPEG image).
		You can call Width() and Height() member functions of the image to determine its
		size. The returned image is always a truecolor image.
	*/
	bool CreateFromJpeg(gdIOCtx * in) {
		clear();
		return ((im = gdImageCreateFromJpegCtx(in)) != 0);
	}
	/**
		Load a truecolor image from a JPEG format file.
		Invoke CreateFromJpeg with an already opened
		pointer to a file containing the desired image.
		CreateFromJpeg does not close the file.
		\return true for success, or false if unable to load the image (most often because the file is corrupt or does not contain a JPEG image).
		You can call Width() and Height() member functions of the image to determine its
		size. The returned image is always a truecolor image.
	*/
	bool CreateFromJpeg(int size, void * data) {
		clear();
		return ((im = gdImageCreateFromJpegPtr(size, data)) != 0);
	}
	/**
		Load a truecolor image from a JPEG format file.
		Invoke CreateFromJpeg with an image file in memory.
		\return true for success, or false if unable to load the image (most often because the format is corrupt or does not contain a JPEG image).
		You can call Width() and Height() member functions of the image to determine its
		size. The returned image is always a truecolor image.
	*/
	bool CreateFromJpeg(std::istream & in) {
		clear();
		istreamIOCtx _in_ctx(in);
		return ((im = gdImageCreateFromJpegCtx( & _in_ctx)) != 0);
	}
#endif

	// Gd
	bool CreateFromGd(FILE * in) {
		clear();
		return ((im = gdImageCreateFromGd(in)) != 0);
	}
	bool CreateFromGd(gdIOCtx * in) {
		clear();
		return ((im = gdImageCreateFromGdCtx(in)) != 0);
	}
	bool CreateFromGd(int size, void * data) {
		clear();
		return ((im = gdImageCreateFromGdPtr(size, data)) != 0);
	}
	bool CreateFromGd(std::istream & in) {
		clear();
		istreamIOCtx _in_ctx(in);
		return ((im = gdImageCreateFromGdCtx( & _in_ctx)) != 0);
	}
	// Gd2
	bool CreateFromGd2(FILE * in) {
		clear();
		return ((im = gdImageCreateFromGd2(in)) != 0);
	}
	bool CreateFromGd2(gdIOCtx * in) {
		clear();
		return ((im = gdImageCreateFromGd2Ctx(in)) != 0);
	}
	bool CreateFromGd2(int size, void * data) {
		clear();
		return ((im = gdImageCreateFromGd2Ptr(size, data)) != 0);
	}
	bool CreateFromGd2(std::istream & in) {
		clear();
		istreamIOCtx _in_ctx(in);
		return ((im = gdImageCreateFromGd2Ctx( & _in_ctx)) != 0);
	}
	// Gd2 Part
	bool CreateFromGd2Part(FILE * in, int srcx, int srcy, int w, int h) {
		clear();
		return ((im = gdImageCreateFromGd2Part(in, srcx, srcy, w, h)) != 0);
	}
	bool CreateFromGd2Part(gdIOCtx * in, int srcx, int srcy, int w, int h) {
		clear();
		return ((im = gdImageCreateFromGd2PartCtx(in, srcx, srcy, w, h)) != 0);
	}
	bool CreateFromGd2Part(int size, void * data, int srcx, int srcy, int w, int h) {
		clear();
		return ((im = gdImageCreateFromGd2PartPtr(size, data, srcx, srcy, w, h)) != 0);
	}
	bool CreateFromGd2Part(std::istream & in, int srcx, int srcy, int w, int h) {
		clear();
		istreamIOCtx _in_ctx(in);
		return ((im = gdImageCreateFromGd2PartCtx( & _in_ctx, srcx, srcy, w, h)) != 0);
	}
	bool CreateFromGd2Part(FILE * in, const Point & src, const Size & s) {
		return CreateFromGd2Part(in, src.X(), src.Y(), s.W(), s.H());
	}
	bool CreateFromGd2Part(gdIOCtx * in, const Point & src, const Size & s) {
		return CreateFromGd2Part(in, src.X(), src.Y(), s.W(), s.H());
	}
	bool CreateFromGd2Part(int size, void * data, const Point & src, const Size & s) {
		return CreateFromGd2Part(size, data, src.X(), src.Y(), s.W(), s.H());
	}
	bool CreateFromGd2Part(std::istream & in, const Point & src, const Size & s) {
		return CreateFromGd2Part(in, src.X(), src.Y(), s.W(), s.H());
	}
	// Xbm
	bool CreateFromXbm(FILE * in) {
		clear();
		return ((im = gdImageCreateFromXbm(in)) != 0);
	}
	// Xpm
	bool CreateFromXpm(char * filename) {
		clear();
		return ((im = gdImageCreateFromXpm(filename)) != 0);
	}
	bool CreateFromXpm(std::string & filename) {
		return CreateFromXpm((char *)(filename.c_str()));
	}

	// Accessors, Updaters & Methods:
	void SetPixel(int x, int y, int color) {
		gdImageSetPixel(im, x, y, color);
	}
	void SetPixel(const Point & p, int color) {
		SetPixel(p.X(), p.Y(), color);
	}
	int GetPixel(int x, int y) const {
		return gdImageGetPixel(im, x, y);
	}
	int GetPixel(const Point & p) const {
		return GetPixel(p.X(), p.Y());
	}
	int GetTrueColorPixel(int x, int y) const {
		return gdImageGetTrueColorPixel(im, x, y);
	}
	int GetTrueColorPixel(const Point & p) const {
		return GetTrueColorPixel(p.X(), p.Y());
	}

	void SetPixel(int x, int y, TrueColor c) {
		SetPixel(x, y, c.Int());
	}
	void SetPixel(const Point & p, TrueColor c) {
		SetPixel(p.X(), p.Y(), c.Int());
	}
	void GetTrueColorPixel(TrueColor & c, int x, int y) const {
		c.set(GetTrueColorPixel(x, y));
	}
	void GetTrueColorPixel(TrueColor & c, const Point & p) const {
		c.set(GetTrueColorPixel(p.X(), p.Y()));
	}

	void AABlend() {
		gdImageAABlend(im);
	}

	void Line(int x1, int y1, int x2, int y2, int color) {
		gdImageLine(im, x1, y1, x2, y2, color);
	}
	void Line(const Point & p1, const Point & p2, int color) {
		Line(p1.X(), p1.Y(), p2.X(), p2.Y(), color);
	}
	void Rectangle(int x1, int y1, int x2, int y2, int color) {
		gdImageRectangle(im, x1, y1, x2, y2, color);
	}
	void Rectangle(const Point & p1, const Point & p2, int color) {
		Rectangle(p1.X(), p1.Y(), p2.X(), p2.Y(), color);
	}
	void Rectangle(const Point & p, const Size & s, int color) {
		Rectangle(p.X(), p.Y(), p.X() + s.W(), p.Y() + s.H(), color);
	}
	void FilledRectangle(int x1, int y1, int x2, int y2, int color) {
		gdImageFilledRectangle(im, x1, y1, x2, y2, color);
	}
	void FilledRectangle(const Point & p1, const Point & p2, int color) {
		FilledRectangle(p1.X(), p1.Y(), p2.X(), p2.Y(), color);
	}
	void FilledRectangle(const Point & p, const Size & s, int color) {
		FilledRectangle(p.X(), p.Y(), p.X() + s.W(), p.Y() + s.H(), color);
	}

	void SetClip(int x1, int y1, int x2, int y2) {
		gdImageSetClip(im, x1, y1, x2, y2);
	}
	void SetClip(const Point & p1, const Point & p2) {
		SetClip(p1.X(), p1.Y(), p2.X(), p2.Y());
	}
	void SetClip(const Point & p, const Size & s) {
		SetClip(p.X(), p.Y(), p.X() + s.W(), p.Y() + s.H());
	}
	void GetClip(int & x1, int & y1, int & x2, int & y2) const {
		gdImageGetClip(im, & x1, & y1, & x2, & y2);
	}
	void GetClip(Point & p1, Point & p2) const {
		GetClip(p1.lhsX(), p1.lhsY(), p2.lhsX(), p2.lhsY());
	}
	void GetClip(Point & p, Size & s) const {
		Point p2;
		GetClip(p.lhsX(), p.lhsY(), p2.lhsX(), p2.lhsY());
		s.set(p2.X() - p.X(), p2.Y() - p.Y());
	}

	bool BoundsSafe(int x, int y) const {
		return (gdImageBoundsSafe(im, x, y)?true:false);
	}
	bool BoundsSafe(const Point & p) const {
		return BoundsSafe(p.X(), p.Y());
	}

	void Char(gdFontPtr f, int x, int y, int c, int color) {
		gdImageChar(im, f, x, y, c, color);
	}
	void CharUp(gdFontPtr f, int x, int y, int c, int color) {
		gdImageCharUp(im, f, x, y, c, color);
	}

	void Char(gdFontPtr f, const Point & p, int c, int color) {
		Char(f, p.X(), p.Y(), c, color);
	}
	void CharUp(gdFontPtr f, const Point & p, int c, int color) {
		CharUp(f, p.X(), p.Y(), c, color);
	}

	void String(gdFontPtr f, int x, int y, unsigned char * s, int color) {
		gdImageString(im, f, x, y, (unsigned char *)s, color);
	}
	void StringUp(gdFontPtr f, int x, int y, unsigned char * s, int color) {
		gdImageStringUp(im, f, x, y, (unsigned char *)s, color);
	}
	void String(gdFontPtr f, int x, int y, unsigned short * s, int color) {
		gdImageString16(im, f, x, y, (unsigned short *)s, color);
	}
	void StringUp(gdFontPtr f, int x, int y, unsigned short * s, int color) {
		gdImageStringUp16(im, f, x, y, (unsigned short *)s, color);
	}
	void String(gdFontPtr f, int x, int y, char * s, int color) {
		gdImageString(im, f, x, y, (unsigned char *)s, color);
	}
	void StringUp(gdFontPtr f, int x, int y, char * s, int color) {
		gdImageStringUp(im, f, x, y, (unsigned char *)s, color);
	}
	void String(gdFontPtr f, int x, int y, const std::string & s, int color) {
		String(f, x, y, (char *)s.c_str(), color);
	}
	void StringUp(gdFontPtr f, int x, int y, const std::string & s, int color) {
		StringUp(f, x, y, (char *)s.c_str(), color);
	}

	void String(gdFontPtr f, const Point & p, unsigned char * s, int color) {
		String(f, p.X(), p.Y(), (unsigned char *)s, color);
	}
	void StringUp(gdFontPtr f, const Point & p, unsigned char * s, int color) {
		StringUp(f, p.X(), p.Y(), (unsigned char *)s, color);
	}
	void String(gdFontPtr f, const Point & p, unsigned short * s, int color) {
		String(f, p.X(), p.Y(), (unsigned short *)s, color);
	}
	void StringUp(gdFontPtr f, const Point & p, unsigned short * s, int color) {
		StringUp(f, p.X(), p.Y(), (unsigned short *)s, color);
	}
	void String(gdFontPtr f, const Point & p, char * s, int color) {
		String(f, p.X(), p.Y(), (unsigned char *)s, color);
	}
	void StringUp(gdFontPtr f, const Point & p, char * s, int color) {
		StringUp(f, p.X(), p.Y(), (unsigned char *)s, color);
	}
	void String(gdFontPtr f, const Point & p, const std::string & s, int color) {
		String(f, p, (char *)s.c_str(), color);
	}
	void StringUp(gdFontPtr f, const Point & p, const std::string & s, int color) {
		StringUp(f, p, (char *)s.c_str(), color);
	}

	char * StringFT(int * brect, int fg, char * fontlist, double ptsize, double angle,
	                int x, int y, char * string) {
		return gdImageStringFT(im, brect, fg, fontlist, ptsize, angle, x, y, string);
	}
	char * StringFT(int * brect, int fg, char * fontlist, double ptsize, double angle,
	                int x, int y, char * string, gdFTStringExtraPtr strex) {
		return gdImageStringFTEx(im, brect, fg, fontlist, ptsize, angle, x, y, string, strex);
	}
	char * StringFT(int * brect, int fg, char * fontlist, double ptsize, double angle,
	                int x, int y, const std::string & string) {
		return StringFT(brect, fg, fontlist, ptsize, angle, x, y, (char *)string.c_str());
	}
	char * StringFT(int * brect, int fg, char * fontlist, double ptsize, double angle,
	                int x, int y, const std::string & string, gdFTStringExtraPtr strex) {
		return StringFT(brect, fg, fontlist, ptsize, angle, x, y, (char *)string.c_str(), strex);
	}

	char * StringFT(int * brect, int fg, char * fontlist, double ptsize, double angle,
	                const Point & p, char * string) {
		return StringFT(brect, fg, fontlist, ptsize, angle, p.X(), p.Y(), string);
	}
	char * StringFT(int * brect, int fg, char * fontlist, double ptsize, double angle,
	                const Point & p, char * string, gdFTStringExtraPtr strex) {
		return StringFT(brect, fg, fontlist, ptsize, angle, p.X(), p.Y(), string, strex);
	}
	char * StringFT(int * brect, int fg, char * fontlist, double ptsize, double angle,
	                const Point & p, const std::string & string) {
		return StringFT(brect, fg, fontlist, ptsize, angle, p, (char *)string.c_str());
	}
	char * StringFT(int * brect, int fg, char * fontlist, double ptsize, double angle,
	                const Point & p, const std::string & string, gdFTStringExtraPtr strex) {
		return StringFT(brect, fg, fontlist, ptsize, angle, p, (char *)string.c_str(), strex);
	}

	void Polygon(gdPointPtr p, int n, int c) {
		gdImagePolygon(im, p, n, c);
	}
	void OpenPolygon(gdPointPtr p, int n, int c) {
		gdImageOpenPolygon(im, p, n, c);
	}
	void FilledPolygon(gdPointPtr p, int n, int c) {
		gdImageFilledPolygon(im, p, n, c);
	}

	void Polygon(PointPtr p, int n, int c) {
		Polygon(p->as_gdPointPtr(), n, c);
	}
	void OpenPolygon(PointPtr p, int n, int c) {
		OpenPolygon(p->as_gdPointPtr(), n, c);
	}
	void FilledPolygon(PointPtr p, int n, int c) {
		FilledPolygon(p->as_gdPointPtr(), n, c);
	}

	int ColorAllocate(int r, int g, int b) {
		return gdImageColorAllocate(im, r, g, b);
	}
	int ColorAllocate(int r, int g, int b, int a) {
		return gdImageColorAllocateAlpha(im, r, g, b, a);
	}

	int ColorClosest(int r, int g, int b) const {
		return gdImageColorClosest(im, r, g, b);
	}
	int ColorClosest(int r, int g, int b, int a) const {
		return gdImageColorClosestAlpha(im, r, g, b, a);
	}
	int ColorClosestHWB(int r, int g, int b) const {
		return gdImageColorClosestHWB(im, r, g, b);
	}
	int ColorExact(int r, int g, int b) const {
		return gdImageColorExact(im, r, g, b);
	}
	int ColorExact(int r, int g, int b, int a) const {
		return gdImageColorExactAlpha(im, r, g, b, a);
	}
	int ColorResolve(int r, int g, int b) {
		return gdImageColorResolve(im, r, g, b);
	}
	int ColorResolve(int r, int g, int b, int a) {
		return gdImageColorResolveAlpha(im, r, g, b, a);
	}

	void ColorDeallocate(int color) {
		gdImageColorDeallocate(im, color);
	}

	void TrueColorToPalette(int ditherFlag, int colorsWanted) {
		gdImageTrueColorToPalette(im, ditherFlag, colorsWanted);
	}

	void ColorTransparent(int color) {
		gdImageColorTransparent(im, color);
	}

	void PaletteCopy(gdImagePtr src) {
		gdImagePaletteCopy(im, src);
	}
	void PaletteCopy(const GD::Image & src) {
		PaletteCopy(src.im);
	}

	/**
		Write out this image in GIF file format to \p out.
		\param out A FILE * handle
	*/
	void Gif(FILE * out) const {
		gdImageGif(im, out);
	}
	/**
		Write out this image in GIF file format to \p out.
		\param out A gdIOCtx * handle
	*/
	void Gif(gdIOCtx * out) const {
		gdImageGifCtx(im, out);
	}
	/**
		Allocate sufficient memory, and write this image, in GIF file format, to that memory.
		\param size A pointer for the allocated memory
		\return A pointer to the allocated memory, containing the image GIF file formatted.  Caller is responsible for freeing with gdFree().
	*/
	void * Gif(int * size) const {
		return gdImageGifPtr(im, size);
	}
	/**
		Write out this image in GIF file format to \p out.
		\param out An output stream, already opened.
	*/
	void Gif(std::ostream & out) const {
		ostreamIOCtx _out_ctx(out);
		gdImageGifCtx(im, & _out_ctx);
	}

#if HAVE_PNG
	/**
		Write out this image in PNG file format to \p out.
		\param out A FILE * handle
	*/
	void Png(FILE * out) const {
		gdImagePng(im, out);
	}
	/**
		Write out this image in PNG file format to \p out.
		\param out A gdIOCtx * handle
	*/
	void Png(gdIOCtx * out) const {
		gdImagePngCtx(im, out);
	}
	/**
		Allocate sufficient memory, and write this image, in PNG file format, to that memory.
		\param size A pointer for the allocated memory
		\return A pointer to the allocated memory, containing the image PNG file formatted.  Caller is responsible for freeing with gdFree().
	*/
	void * Png(int * size) const {
		return gdImagePngPtr(im, size);
	}
	/**
		Write out this image in PNG file format to \p out.
		\param out An output stream, already opened.
	*/
	void Png(std::ostream & out) const {
		ostreamIOCtx _out_ctx(out);
		gdImagePngCtx(im, & _out_ctx);
	}
	/**
		Write out this image in PNG file format to \p out.
		\param out A FILE * handle
		\param level The level of compression: 0 == "no compression", 1 == "compressed as quickly as possible" --> 9 == "compressed as much as possible", -1 == zlib default compression level
	*/
	void Png(FILE * out, int level) const {
		gdImagePngEx(im, out, level);
	}
	/**
		Write out this image in PNG file format to \p out.
		\param out A gdIOCtx * handle
		\param level The level of compression: 0 == "no compression", 1 == "compressed as quickly as possible" --> 9 == "compressed as much as possible", -1 == zlib default compression level
	*/
	void Png(gdIOCtx * out, int level) const {
		gdImagePngCtxEx(im, out, level);
	}
	/**
		Allocate sufficient memory, and write this image, in PNG file format, to that memory.
		\param size A pointer for the allocated memory
		\param level The level of compression: 0 == "no compression", 1 == "compressed as quickly as possible" --> 9 == "compressed as much as possible", -1 == zlib default compression level
		\return A pointer to the allocated memory, containing the image PNG file formatted.  Caller is responsible for freeing with gdFree().
	*/
	void * Png(int * size, int level) const {
		return gdImagePngPtrEx(im, size, level);
	}
	/**
		Write out this image in PNG file format to \p out.
		\param out An output stream, already opened.
		\param level The level of compression: 0 == "no compression", 1 == "compressed as quickly as possible" --> 9 == "compressed as much as possible", -1 == zlib default compression level
	*/
	void Png(std::ostream & out, int level) const {
		ostreamIOCtx _out_ctx(out);
		gdImagePngCtxEx(im, & _out_ctx, level);
	}
#endif

	/**
		Write out this image in WBMP file format ( black and white only ) to \p out.
		\param fg The color index of the foreground. All other pixels considered background.
		\param out A FILE * handle
	*/
	void WBMP(int fg, FILE * out) const {
		gdImageWBMP(im, fg, out);
	}
	/**
		Write out this image in WBMP file format ( black and white only ) to \p out.
		\param fg The color index of the foreground. All other pixels considered background.
		\param out A gdIOCtx * handle
	*/
	void WBMP(int fg, gdIOCtx * out) const {
		gdImageWBMPCtx(im, fg, out);
	}
	/**
		Allocate sufficient memory, and write this image, in WBMP file format ( black and white only ), to that memory.
		\param size A pointer for the allocated memory
		\param fg The color index of the foreground. All other pixels considered background.
		\return A pointer to the allocated memory, containing the image WBMP file formatted.  Caller is responsible for freeing with gdFree().
	*/
	void * WBMP(int * size, int fg) const {
		return gdImageWBMPPtr(im, size, fg);
	}
	/**
		Write out this image in WBMP file format ( black and white only ) to \p out.
		\param fg The color index of the foreground. All other pixels considered background.
		\param out An output stream, already opened.
	*/
	void WBMP(int fg, std::ostream & out) const {
		ostreamIOCtx _out_ctx(out);
		gdImageWBMPCtx(im, fg, & _out_ctx);
	}

#if HAVE_JPEG
	/**
		Write out this image in JPEG file format to \p out.
		\param out A FILE * handle
		\param quality Should be a value in the range 0-95, higher numbers imply both higher quality and larger image size.  Default value is -1, indicating "use a sensible default value".
	*/
	void Jpeg(FILE * out, int quality = -1) const {
		gdImageJpeg(im, out, quality);
	}
	/**
		Write out this image in JPEG file format to \p out.
		\param out A gdIOCtx * handle
		\param quality Should be a value in the range 0-95, higher numbers imply both higher quality and larger image size.  Default value is -1, indicating "use a sensible default value".
	*/
	void Jpeg(gdIOCtx * out, int quality = -1) const {
		gdImageJpegCtx(im, out, quality);
	}
	/**
		Allocate sufficient memory, and write this image, in JPEG file format, to that memory.
		\param size A pointer for the allocated memory
		\param quality Should be a value in the range 0-95, higher numbers imply both higher quality and larger image size.  Default value is -1, indicating "use a sensible default value".
		\return A pointer to the allocated memory, containing the image JPEG file formatted.  Caller is responsible for freeing with gdFree().
	*/
	void * Jpeg(int * size, int quality = -1) const {
		return gdImageJpegPtr(im, size, quality);
	}
	/**
		Write out this image in JPEG file format to \p out.
		\param out An output stream, already opened.
		\param quality Should be a value in the range 0-95, higher numbers imply both higher quality and larger image size.  Default value is -1, indicating "use a sensible default value".
	*/
	void Jpeg(std::ostream & out, int quality = -1) const {
		ostreamIOCtx _out_ctx(out);
		gdImageJpegCtx(im, & _out_ctx, quality);
	}
#endif

	void GifAnimBegin(FILE * out, int GlobalCM, int Loops) const {
		gdImageGifAnimBegin(im, out, GlobalCM, Loops);
	}
	void GifAnimAdd(FILE * out, int LocalCM, int LeftOfs, int TopOfs, int Delay, int Disposal, gdImagePtr previm) const {
		gdImageGifAnimAdd(im, out, LocalCM, LeftOfs, TopOfs, Delay, Disposal, previm);
	}
	void GifAnimAdd(FILE * out, int LocalCM, int LeftOfs, int TopOfs, int Delay, int Disposal, const GD::Image & previm) const {
		GifAnimAdd(out, LocalCM, LeftOfs, TopOfs, Delay, Disposal, previm.im);
	}
	inline static void GifAnimEnd(FILE * out) {
		gdImageGifAnimEnd(out);
	}
	void GifAnimBegin(gdIOCtx * out, int GlobalCM, int Loops) const {
		gdImageGifAnimBeginCtx(im, out, GlobalCM, Loops);
	}
	void GifAnimAdd(gdIOCtx * out, int LocalCM, int LeftOfs, int TopOfs, int Delay, int Disposal, gdImagePtr previm) const {
		gdImageGifAnimAddCtx(im, out, LocalCM, LeftOfs, TopOfs, Delay, Disposal, previm);
	}
	void GifAnimAdd(gdIOCtx * out, int LocalCM, int LeftOfs, int TopOfs, int Delay, int Disposal, const GD::Image & previm) const {
		GifAnimAdd(out, LocalCM, LeftOfs, TopOfs, Delay, Disposal, previm.im);
	}
	inline static void GifAnimEnd(gdIOCtx * out) {
		gdImageGifAnimEndCtx(out);
	}
	void * GifAnimBegin(int * size, int GlobalCM, int Loops) const {
		return gdImageGifAnimBeginPtr(im, size, GlobalCM, Loops);
	}
	void * GifAnimAdd(int * size, int LocalCM, int LeftOfs, int TopOfs, int Delay, int Disposal, gdImagePtr previm) const {
		return gdImageGifAnimAddPtr(im, size, LocalCM, LeftOfs, TopOfs, Delay, Disposal, previm);
	}
	void * GifAnimAdd(int * size, int LocalCM, int LeftOfs, int TopOfs, int Delay, int Disposal, const GD::Image & previm) const {
		return GifAnimAdd(size, LocalCM, LeftOfs, TopOfs, Delay, Disposal, previm.im);
	}
	inline static void * GifAnimEnd(int * size) {
		return gdImageGifAnimEndPtr(size);
	}

	void Gd(FILE * out) const {
		gdImageGd(im, out);
	}
	void Gd(int * size) const {
		gdImageGdPtr(im, size);
	}
	void Gd2(FILE * out, int cs, int fmt) const {
		gdImageGd2(im, out, cs, fmt);
	}
	void Gd2(int cs, int fmt, int * size) const {
		gdImageGd2Ptr(im, cs, fmt, size);
	}

	void Ellipse(int cx, int cy, int w, int h, int color) {
		gdImageEllipse(im, cx, cy, w, h, color);
	}
	/**
		Draw a partial ellipse centered at the given point, with the specified width and height in pixels.
	*/
	void FilledArc(int cx, int cy, int w, int h, int s, int e, int color, int style) {
		gdImageFilledArc(im, cx, cy, w, h, s, e, color, style);
	}
	void Arc(int cx, int cy, int w, int h, int s, int e, int color) {
		gdImageArc(im, cx, cy, w, h, s, e, color);
	}
	void FilledEllipse(int cx, int cy, int w, int h, int color) {
		gdImageFilledEllipse(im, cx, cy, w, h, color);
	}
	void FillToBorder(int x, int y, int border, int color) {
		gdImageFillToBorder(im, x, y, border, color);
	}
	void Fill(int x, int y, int color) {
		gdImageFill(im, x, y, color);
	}

	void Ellipse(const Point & c, const Size & s, int color) {
		Ellipse(c.X(), c.Y(), s.W(), s.H(), color);
	}
	void FilledArc(const Point & c, const Size & si, int s, int e, int color, int style) {
		FilledArc(c.X(), c.Y(), si.W(), si.H(), s, e, color, style);
	}
	void Arc(const Point & c, const Size & si, int s, int e, int color) {
		Arc(c.X(), c.Y(), si.W(), si.H(), s, e, color);
	}
	void FilledEllipse(const Point & c, const Size & s, int color) {
		FilledEllipse(c.X(), c.Y(), s.W(), s.H(), color);
	}
	void FillToBorder(const Point & p, int border, int color) {
		FillToBorder(p.X(), p.Y(), border, color);
	}
	void Fill(const Point & p, int color) {
		Fill(p.X(), p.Y(), color);
	}

	void Copy(const gdImagePtr src, int dstX, int dstY, int srcX, int srcY, int w, int h) {
		gdImageCopy(im, src, dstX, dstY, srcX, srcY, w, h);
	}
	void CopyMerge(const gdImagePtr src, int dstX, int dstY, int srcX, int srcY, int w, int h, int pct) {
		gdImageCopyMerge(im, src, dstX, dstY, srcX, srcY, w, h, pct);
	}
	void CopyMergeGray(const gdImagePtr src, int dstX, int dstY, int srcX, int srcY, int w, int h, int pct) {
		gdImageCopyMergeGray(im, src, dstX, dstY, srcX, srcY, w, h, pct);
	}

	void CopyResized(const gdImagePtr src, int dstX, int dstY, int srcX, int srcY, int dstW, int dstH, int srcW, int srcH) {
		gdImageCopyResized(im, src, dstX, dstY, srcX, srcY, dstW, dstH, srcW, srcH);
	}
	void CopyResampled(const gdImagePtr src, int dstX, int dstY, int srcX, int srcY, int dstW, int dstH, int srcW, int srcH) {
		gdImageCopyResampled(im, src, dstX, dstY, srcX, srcY, dstW, dstH, srcW, srcH);
	}
	void CopyRotated(const gdImagePtr src, double dstX, double dstY, int srcX, int srcY, int srcWidth, int srcHeight, int angle) {
		gdImageCopyRotated(im, src, dstX, dstY, srcX, srcY, srcWidth, srcHeight, angle);
	}

	void Copy(const gdImagePtr src, const Point & dstP, const Point & srcP, const Size & s) {
		Copy(src, dstP.X(), dstP.Y(), srcP.X(), srcP.Y(), s.W(), s.H());
	}
	void CopyMerge(const gdImagePtr src, const Point & dstP, const Point & srcP, const Size & s, int pct) {
		CopyMerge(src, dstP.X(), dstP.Y(), srcP.X(), srcP.Y(), s.W(), s.H(), pct);
	}
	void CopyMergeGray(const gdImagePtr src, const Point & dstP, const Point & srcP, const Size & s, int pct) {
		CopyMergeGray(src, dstP.X(), dstP.Y(), srcP.X(), srcP.Y(), s.W(), s.H(), pct);
	}

	void CopyResized(const gdImagePtr src, const Point & dstP, const Point & srcP, const Size & dstS, const Size & srcS) {
		CopyResized(src, dstP.X(), dstP.Y(), srcP.X(), srcP.Y(), dstS.W(), dstS.H(), srcS.W(), srcS.H());
	}
	void CopyResampled(const gdImagePtr src, const Point & dstP, const Point & srcP, const Size & dstS, const Size & srcS) {
		CopyResampled(src, dstP.X(), dstP.Y(), srcP.X(), srcP.Y(), dstS.W(), dstS.H(), srcS.W(), srcS.H());
	}
	void CopyRotated(const gdImagePtr src, double dstX, double dstY, const Point & srcP, const Size & srcS, int angle) {
		CopyRotated(src, dstX, dstY, srcP.X(), srcP.Y(), srcS.W(), srcS.H(), angle);
	}

	void Copy(const GD::Image & src, int dstX, int dstY, int srcX, int srcY, int w, int h) {
		Copy(src.im, dstX, dstY, srcX, srcY, w, h);
	}
	void CopyMerge(const GD::Image & src, int dstX, int dstY, int srcX, int srcY, int w, int h, int pct) {
		CopyMerge(src.im, dstX, dstY, srcX, srcY, w, h, pct);
	}
	void CopyMergeGray(const GD::Image & src, int dstX, int dstY, int srcX, int srcY, int w, int h, int pct) {
		CopyMergeGray(src.im, dstX, dstY, srcX, srcY, w, h, pct);
	}

	void CopyResized(const GD::Image & src, int dstX, int dstY, int srcX, int srcY, int dstW, int dstH, int srcW, int srcH) {
		CopyResized(src.im, dstX, dstY, srcX, srcY, dstW, dstH, srcW, srcH);
	}
	void CopyResampled(const GD::Image & src, int dstX, int dstY, int srcX, int srcY, int dstW, int dstH, int srcW, int srcH) {
		CopyResampled(src.im, dstX, dstY, srcX, srcY, dstW, dstH, srcW, srcH);
	}
	void CopyRotated(const GD::Image & src, double dstX, double dstY, int srcX, int srcY, int srcWidth, int srcHeight, int angle) {
		CopyRotated(src.im, dstX, dstY, srcX, srcY, srcWidth, srcHeight, angle);
	}

	void Copy(const GD::Image & src, const Point & dstP, const Point & srcP, const Size & s) {
		Copy(src.im, dstP.X(), dstP.Y(), srcP.X(), srcP.Y(), s.W(), s.H());
	}
	void CopyMerge(const GD::Image & src, const Point & dstP, const Point & srcP, const Size & s, int pct) {
		CopyMerge(src.im, dstP.X(), dstP.Y(), srcP.X(), srcP.Y(), s.W(), s.H(), pct);
	}
	void CopyMergeGray(const GD::Image & src, const Point & dstP, const Point & srcP, const Size & s, int pct) {
		CopyMergeGray(src.im, dstP.X(), dstP.Y(), srcP.X(), srcP.Y(), s.W(), s.H(), pct);
	}

	void CopyResized(const GD::Image & src, const Point & dstP, const Point & srcP, const Size & dstS, const Size & srcS) {
		CopyResized(src.im, dstP.X(), dstP.Y(), srcP.X(), srcP.Y(), dstS.W(), dstS.H(), srcS.W(), srcS.H());
	}
	void CopyResampled(const GD::Image & src, const Point & dstP, const Point & srcP, const Size & dstS, const Size & srcS) {
		CopyResampled(src.im, dstP.X(), dstP.Y(), srcP.X(), srcP.Y(), dstS.W(), dstS.H(), srcS.W(), srcS.H());
	}
	void CopyRotated(const GD::Image & src, double dstX, double dstY, const Point & srcP, const Size & srcS, int angle) {
		CopyRotated(src.im, dstX, dstY, srcP.X(), srcP.Y(), srcS.W(), srcS.H(), angle);
	}

	void SetBrush(gdImagePtr brush) {
		gdImageSetBrush(im, brush);
	}
	void SetBrush(const GD::Image & brush) {
		SetBrush(brush.im);
	}
	void SetTile(gdImagePtr tile) {
		gdImageSetTile(im, tile);
	}
	void SetTile(const GD::Image & tile) {
		SetTile(tile.im);
	}
	void SetAntiAliased(int c) {
		gdImageSetAntiAliased(im, c);
	}
	void SetAntiAliasedDontBlend(int c, int dont_blend) {
		gdImageSetAntiAliasedDontBlend(im, c, dont_blend);
	}
	void SetStyle(int * style, int noOfPixels) {
		gdImageSetStyle(im, style, noOfPixels);
	}
	void SetThickness(int thickness) {
		gdImageSetThickness(im, thickness);
	}

	void Interlace(bool interlaceArg) {
		gdImageInterlace(im, interlaceArg?1:0);
	}
	void AlphaBlending(bool alphaBlendingArg) {
		gdImageAlphaBlending(im, alphaBlendingArg?1:0);
	}
	void SaveAlpha(bool saveAlphaArg) {
		gdImageSaveAlpha(im, saveAlphaArg?1:0);
	}

	bool IsTrueColor() const {
		return (gdImageTrueColor(im)?true:false);
	}
	int SX() const {
		return gdImageSX(im);
	}
	int SY() const {
		return gdImageSY(im);
	}
	int Width() const {
		return SX();
	}
	int Height() const {
		return SY();
	}
	void GetSize(Size & s) const {
		s.set(SX(), SY());
	}
	int ColorsTotal() const {
		return gdImageColorsTotal(im);
	}
	int Red(int color) const {
		return gdImageRed(im, color);
	}
	int Green(int color) const {
		return gdImageGreen(im, color);
	}
	int Blue(int color) const {
		return gdImageBlue(im, color);
	}
	int Alpha(int color) const {
		return gdImageAlpha(im, color);
	}
	int GetTransparent() const {
		return gdImageGetTransparent(im);
	}
	int GetInterlaced() const {
		return gdImageGetInterlaced(im);
	}
	int PalettePixel(int x, int y) const {
		return gdImagePalettePixel(im, x, y);
	}
	int TrueColorPixel(int x, int y) const {
		return gdImageTrueColorPixel(im, x, y);
	}

	const gdImagePtr GetPtr() const {
		return im;
	}

protected:
	/// Free the internal image pointer
	void	clear() {
		if (im)
			gdImageDestroy(im);
		im = 0;
	}
	gdImagePtr im;
};
} // namespace GD
/// Read in an image from a standard library input stream
std::istream & operator>> (std::istream & in, GD::Image & img);

#endif /* _gdpp_h */
#endif /* __cplusplus */