/usr/include/gdpp.h is in libgd-dev 2.2.5-4.
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 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 | /* *****************************************************************************
** $Id$
** 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
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#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 BGD_EXPORT_DATA_PROT 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 BGD_EXPORT_DATA_PROT 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 BGD_EXPORT_DATA_PROT 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 BGD_EXPORT_DATA_PROT Png_tag {};
struct BGD_EXPORT_DATA_PROT Gif_tag {};
struct BGD_EXPORT_DATA_PROT WBMP_tag {};
struct BGD_EXPORT_DATA_PROT Jpeg_tag {};
struct BGD_EXPORT_DATA_PROT Gd_tag {};
struct BGD_EXPORT_DATA_PROT Gd2_tag {};
struct BGD_EXPORT_DATA_PROT 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_PROT 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);
}
#ifdef HAVE_LIBPNG
/** 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);
}
#ifdef HAVE_LIBJPEG
/** 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);
#ifdef HAVE_LIBPNG
// 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);
}
#ifdef HAVE_LIBJPEG
// 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);
}
#ifdef HAVE_LIBPNG
/**
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);
}
#ifdef HAVE_LIBJPEG
/**
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 {
return 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 {
return 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);
}
Image * CopyGaussianBlurred(int radius, double sigma) {
return new Image(gdImageCopyGaussianBlurred(im, radius, sigma));
}
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);
}
Image * Clone() {
return new Image(gdImageClone(im));
}
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 SetResolution(int res_x, int res_y) {
gdImageSetResolution(im, res_x, res_y);
}
void SetInterpolationMethod(gdInterpolationMethod interpolation_method) {
gdImageSetInterpolationMethod(im, interpolation_method);
}
Image * RotateInterpolated(const float angle, int bgcolor) {
return new Image(gdImageRotateInterpolated(im, angle, bgcolor));
}
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);
}
int ColorReplace(int src, int dst) {
return gdImageColorReplace(im, src, dst);
}
int ColorReplaceArray(int len, int * src, int * dst) {
return gdImageColorReplaceArray(im, len, src, dst);
}
int ColorReplaceCallback(gdCallbackImageColor callback) {
return gdImageColorReplaceCallback(im, callback);
}
int ColorReplaceThreshold(int src, int dst, float threshold) {
return gdImageColorReplaceThreshold(im, src, dst, threshold);
}
bool Pixelate(int block_size, gdPixelateMode mode) {
return gdImagePixelate(im, block_size, mode) == 0 ? false : true;
}
Image * Scale(int new_width, int new_height) {
return new Image(gdImageScale(im, new_width, new_height));
}
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();
}
int ResX() const {
return gdImageResolutionX(im);
}
int ResY() const {
return gdImageResolutionY(im);
}
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 */
|