tests/image/image.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        tests/image/image.cpp
   3 // Purpose:     Test wxImage
   4 // Author:      Francesco Montorsi
   5 // Created:     2009-05-31
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2009 Francesco Montorsi
   8 // Licence:     wxWindows licence
   9 ///////////////////////////////////////////////////////////////////////////////
  10
  11 // ----------------------------------------------------------------------------
  12 // headers
  13 // ----------------------------------------------------------------------------
  14
  15 #include "testprec.h"
  16
  17 #if wxUSE_IMAGE
  18
  19 #ifdef __BORLANDC__
  20     #pragma hdrstop
  21 #endif
  22
  23 #ifndef WX_PRECOMP
  24 #endif // WX_PRECOMP
  25
  26 #include "wx/image.h"
  27 #include "wx/url.h"
  28 #include "wx/log.h"
  29 #include "wx/mstream.h"
  30 #include "wx/zstream.h"
  31 #include "wx/wfstream.h"
  32
  33 struct testData {
  34     const char* file;
  35     wxBitmapType type;
  36 } g_testfiles[] =
  37 {
  38     { "horse.ico", wxBITMAP_TYPE_ICO },
  39     { "horse.xpm", wxBITMAP_TYPE_XPM },
  40     { "horse.png", wxBITMAP_TYPE_PNG },
  41     { "horse.ani", wxBITMAP_TYPE_ANI },
  42     { "horse.bmp", wxBITMAP_TYPE_BMP },
  43     { "horse.cur", wxBITMAP_TYPE_CUR },
  44     { "horse.gif", wxBITMAP_TYPE_GIF },
  45     { "horse.jpg", wxBITMAP_TYPE_JPEG },
  46     { "horse.pcx", wxBITMAP_TYPE_PCX },
  47     { "horse.pnm", wxBITMAP_TYPE_PNM },
  48     { "horse.tga", wxBITMAP_TYPE_TGA },
  49     { "horse.tif", wxBITMAP_TYPE_TIF }
  50 };
  51
  52
  53 // ----------------------------------------------------------------------------
  54 // test class
  55 // ----------------------------------------------------------------------------
  56
  57 class ImageTestCase : public CppUnit::TestCase
  58 {
  59 public:
  60     ImageTestCase();
  61     ~ImageTestCase();
  62
  63 private:
  64     CPPUNIT_TEST_SUITE( ImageTestCase );
  65         CPPUNIT_TEST( LoadFromSocketStream );
  66         CPPUNIT_TEST( LoadFromZipStream );
  67         CPPUNIT_TEST( LoadFromFile );
  68         CPPUNIT_TEST( SizeImage );
  69     CPPUNIT_TEST_SUITE_END();
  70
  71     void LoadFromSocketStream();
  72     void LoadFromZipStream();
  73     void LoadFromFile();
  74     void SizeImage();
  75
  76     DECLARE_NO_COPY_CLASS(ImageTestCase)
  77 };
  78
  79 CPPUNIT_TEST_SUITE_REGISTRATION( ImageTestCase );
  80 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( ImageTestCase, "ImageTestCase" );
  81
  82 ImageTestCase::ImageTestCase()
  83 {
  84     wxSocketBase::Initialize();
  85
  86     // the formats we're going to test:
  87     wxImage::AddHandler(new wxICOHandler);
  88     wxImage::AddHandler(new wxXPMHandler);
  89     wxImage::AddHandler(new wxPNGHandler);
  90     wxImage::AddHandler(new wxANIHandler);
  91     wxImage::AddHandler(new wxBMPHandler);
  92     wxImage::AddHandler(new wxCURHandler);
  93     wxImage::AddHandler(new wxGIFHandler);
  94     wxImage::AddHandler(new wxJPEGHandler);
  95     wxImage::AddHandler(new wxPCXHandler);
  96     wxImage::AddHandler(new wxPNMHandler);
  97     wxImage::AddHandler(new wxTGAHandler);
  98     wxImage::AddHandler(new wxTIFFHandler);
  99 }
 100
 101 ImageTestCase::~ImageTestCase()
 102 {
 103     wxSocketBase::Shutdown();
 104 }
 105
 106 void ImageTestCase::LoadFromFile()
 107 {
 108     wxImage img;
 109     for (unsigned int i=0; i<WXSIZEOF(g_testfiles); i++)
 110         CPPUNIT_ASSERT(img.LoadFile(g_testfiles[i].file));
 111 }
 112
 113 void ImageTestCase::LoadFromSocketStream()
 114 {
 115     if (!IsNetworkAvailable())      // implemented in test.cpp
 116     {
 117         wxLogWarning("No network connectivity; skipping the "
 118                      "ImageTestCase::LoadFromSocketStream test unit.");
 119         return;
 120     }
 121
 122     struct {
 123         const char* url;
 124         wxBitmapType type;
 125     } testData[] =
 126     {
 127         { "http://www.wxwidgets.org/logo9.jpg", wxBITMAP_TYPE_JPEG },
 128         { "http://www.wxwidgets.org/favicon.ico", wxBITMAP_TYPE_ICO }
 129     };
 130
 131     for (unsigned int i=0; i<WXSIZEOF(testData); i++)
 132     {
 133         wxURL url(testData[i].url);
 134         WX_ASSERT_EQUAL_MESSAGE
 135         (
 136             ("Constructing URL \"%s\" failed.", testData[i].url),
 137             wxURL_NOERR,
 138             url.GetError()
 139         );
 140
 141         wxInputStream *in_stream = url.GetInputStream();
 142         WX_ASSERT_MESSAGE
 143         (
 144             ("Opening URL \"%s\" failed.", testData[i].url),
 145             in_stream && in_stream->IsOk()
 146         );
 147
 148         wxImage img;
 149
 150         // NOTE: it's important to inform wxImage about the type of the image being
 151         //       loaded otherwise it will try to autodetect the format, but that
 152         //       requires a seekable stream!
 153         WX_ASSERT_MESSAGE
 154         (
 155             ("Loading image from \"%s\" failed.", testData[i].url),
 156             img.LoadFile(*in_stream, testData[i].type)
 157         );
 158
 159         delete in_stream;
 160     }
 161 }
 162
 163 void ImageTestCase::LoadFromZipStream()
 164 {
 165     for (unsigned int i=0; i<WXSIZEOF(g_testfiles); i++)
 166     {
 167         switch (g_testfiles[i].type)
 168         {
 169             case wxBITMAP_TYPE_XPM:
 170             case wxBITMAP_TYPE_GIF:
 171             case wxBITMAP_TYPE_PCX:
 172             case wxBITMAP_TYPE_TGA:
 173             case wxBITMAP_TYPE_TIF:
 174             continue;       // skip testing those wxImageHandlers which cannot
 175                             // load data from non-seekable streams
 176
 177             default:
 178                 ; // proceed
 179         }
 180
 181         // compress the test file on the fly:
 182         wxMemoryOutputStream memOut;
 183         {
 184             wxFileInputStream file(g_testfiles[i].file);
 185             CPPUNIT_ASSERT(file.IsOk());
 186
 187             wxZlibOutputStream compressFilter(memOut, 5, wxZLIB_GZIP);
 188             CPPUNIT_ASSERT(compressFilter.IsOk());
 189
 190             file.Read(compressFilter);
 191             CPPUNIT_ASSERT(file.GetLastError() == wxSTREAM_EOF);
 192         }
 193
 194         // now fetch the compressed memory to wxImage, decompressing it on the fly; this
 195         // allows us to test loading images from non-seekable streams other than socket streams
 196         wxMemoryInputStream memIn(memOut);
 197         CPPUNIT_ASSERT(memIn.IsOk());
 198         wxZlibInputStream decompressFilter(memIn, wxZLIB_GZIP);
 199         CPPUNIT_ASSERT(decompressFilter.IsOk());
 200
 201         wxImage img;
 202
 203         // NOTE: it's important to inform wxImage about the type of the image being
 204         //       loaded otherwise it will try to autodetect the format, but that
 205         //       requires a seekable stream!
 206         WX_ASSERT_MESSAGE(("Could not load file type '%d' after it was zipped", g_testfiles[i].type),
 207                           img.LoadFile(decompressFilter, g_testfiles[i].type));
 208     }
 209 }
 210
 211 void ImageTestCase::SizeImage()
 212 {
 213    // Test the wxImage::Size() function which takes a rectangle from source and
 214    // places it in a new image at a given position. This test checks, if the
 215    // correct areas are chosen, and clipping is done correctly.
 216
 217    // our test image:
 218    static const char * xpm_orig[] = {
 219       "10 10 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 220       "     .....",
 221       " ++++@@@@.",
 222       " +...   @.",
 223       " +.@@++ @.",
 224       " +.@ .+ @.",
 225       ".@ +. @.+ ",
 226       ".@ ++@@.+ ",
 227       ".@   ...+ ",
 228       ".@@@@++++ ",
 229       ".....     "
 230    };
 231    // the expected results for all tests:
 232    static const char * xpm_l_t[] = {
 233       "10 10 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 234       "...   @.BB",
 235       ".@@++ @.BB",
 236       ".@ .+ @.BB",
 237       " +. @.+ BB",
 238       " ++@@.+ BB",
 239       "   ...+ BB",
 240       "@@@++++ BB",
 241       "...     BB",
 242       "BBBBBBBBBB",
 243       "BBBBBBBBBB"
 244    };
 245    static const char * xpm_t[] = {
 246       "10 10 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 247       " +...   @.",
 248       " +.@@++ @.",
 249       " +.@ .+ @.",
 250       ".@ +. @.+ ",
 251       ".@ ++@@.+ ",
 252       ".@   ...+ ",
 253       ".@@@@++++ ",
 254       ".....     ",
 255       "BBBBBBBBBB",
 256       "BBBBBBBBBB"
 257    };
 258    static const char * xpm_r_t[] = {
 259       "10 10 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 260       "BB +...   ",
 261       "BB +.@@++ ",
 262       "BB +.@ .+ ",
 263       "BB.@ +. @.",
 264       "BB.@ ++@@.",
 265       "BB.@   ...",
 266       "BB.@@@@+++",
 267       "BB.....   ",
 268       "BBBBBBBBBB",
 269       "BBBBBBBBBB"
 270    };
 271    static const char * xpm_l[] = {
 272       "10 10 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 273       "   .....BB",
 274       "+++@@@@.BB",
 275       "...   @.BB",
 276       ".@@++ @.BB",
 277       ".@ .+ @.BB",
 278       " +. @.+ BB",
 279       " ++@@.+ BB",
 280       "   ...+ BB",
 281       "@@@++++ BB",
 282       "...     BB"
 283    };
 284    static const char * xpm_r[] = {
 285       "10 10 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 286       "BB     ...",
 287       "BB ++++@@@",
 288       "BB +...   ",
 289       "BB +.@@++ ",
 290       "BB +.@ .+ ",
 291       "BB.@ +. @.",
 292       "BB.@ ++@@.",
 293       "BB.@   ...",
 294       "BB.@@@@+++",
 295       "BB.....   "
 296    };
 297    static const char * xpm_l_b[] = {
 298       "10 10 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 299       "BBBBBBBBBB",
 300       "BBBBBBBBBB",
 301       "   .....BB",
 302       "+++@@@@.BB",
 303       "...   @.BB",
 304       ".@@++ @.BB",
 305       ".@ .+ @.BB",
 306       " +. @.+ BB",
 307       " ++@@.+ BB",
 308       "   ...+ BB"
 309    };
 310    static const char * xpm_b[] = {
 311       "10 10 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 312       "BBBBBBBBBB",
 313       "BBBBBBBBBB",
 314       "     .....",
 315       " ++++@@@@.",
 316       " +...   @.",
 317       " +.@@++ @.",
 318       " +.@ .+ @.",
 319       ".@ +. @.+ ",
 320       ".@ ++@@.+ ",
 321       ".@   ...+ "
 322    };
 323    static const char * xpm_r_b[] = {
 324       "10 10 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 325       "BBBBBBBBBB",
 326       "BBBBBBBBBB",
 327       "BB     ...",
 328       "BB ++++@@@",
 329       "BB +...   ",
 330       "BB +.@@++ ",
 331       "BB +.@ .+ ",
 332       "BB.@ +. @.",
 333       "BB.@ ++@@.",
 334       "BB.@   ..."
 335    };
 336    static const char * xpm_sm[] = {
 337       "8 8 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 338       "     .....",
 339       " ++++@@@",
 340       " +...   ",
 341       " +.@@++ ",
 342       " +.@ .+ ",
 343       ".@ +. @.",
 344       ".@ ++@@.",
 345       ".@   ..."
 346    };
 347    static const char * xpm_gt[] = {
 348       "12 12 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 349       "     .....BB",
 350       " ++++@@@@.BB",
 351       " +...   @.BB",
 352       " +.@@++ @.BB",
 353       " +.@ .+ @.BB",
 354       ".@ +. @.+ BB",
 355       ".@ ++@@.+ BB",
 356       ".@   ...+ BB",
 357       ".@@@@++++ BB",
 358       ".....     BB",
 359       "BBBBBBBBBBBB",
 360       "BBBBBBBBBBBB"
 361    };
 362    static const char * xpm_gt_l_t[] = {
 363       "12 12 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 364       "...   @.BBBB",
 365       ".@@++ @.BBBB",
 366       ".@ .+ @.BBBB",
 367       " +. @.+ BBBB",
 368       " ++@@.+ BBBB",
 369       "   ...+ BBBB",
 370       "@@@++++ BBBB",
 371       "...     BBBB",
 372       "BBBBBBBBBBBB",
 373       "BBBBBBBBBBBB",
 374       "BBBBBBBBBBBB",
 375       "BBBBBBBBBBBB"
 376    };
 377    static const char * xpm_gt_l[] = {
 378       "12 12 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 379       "   .....BBBB",
 380       "+++@@@@.BBBB",
 381       "...   @.BBBB",
 382       ".@@++ @.BBBB",
 383       ".@ .+ @.BBBB",
 384       " +. @.+ BBBB",
 385       " ++@@.+ BBBB",
 386       "   ...+ BBBB",
 387       "@@@++++ BBBB",
 388       "...     BBBB",
 389       "BBBBBBBBBBBB",
 390       "BBBBBBBBBBBB"
 391    };
 392    static const char * xpm_gt_l_b[] = {
 393       "12 12 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 394       "BBBBBBBBBBBB",
 395       "BBBBBBBBBBBB",
 396       "   .....BBBB",
 397       "+++@@@@.BBBB",
 398       "...   @.BBBB",
 399       ".@@++ @.BBBB",
 400       ".@ .+ @.BBBB",
 401       " +. @.+ BBBB",
 402       " ++@@.+ BBBB",
 403       "   ...+ BBBB",
 404       "@@@++++ BBBB",
 405       "...     BBBB"
 406    };
 407    static const char * xpm_gt_l_bb[] = {
 408       "12 12 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 409       "BBBBBBBBBBBB",
 410       "BBBBBBBBBBBB",
 411       "BBBBBBBBBBBB",
 412       "BBBBBBBBBBBB",
 413       "   .....BBBB",
 414       "+++@@@@.BBBB",
 415       "...   @.BBBB",
 416       ".@@++ @.BBBB",
 417       ".@ .+ @.BBBB",
 418       " +. @.+ BBBB",
 419       " ++@@.+ BBBB",
 420       "   ...+ BBBB"
 421    };
 422    static const char * xpm_gt_t[] = {
 423       "12 12 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 424       " +...   @.BB",
 425       " +.@@++ @.BB",
 426       " +.@ .+ @.BB",
 427       ".@ +. @.+ BB",
 428       ".@ ++@@.+ BB",
 429       ".@   ...+ BB",
 430       ".@@@@++++ BB",
 431       ".....     BB",
 432       "BBBBBBBBBBBB",
 433       "BBBBBBBBBBBB",
 434       "BBBBBBBBBBBB",
 435       "BBBBBBBBBBBB"
 436    };
 437    static const char * xpm_gt_b[] = {
 438       "12 12 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 439       "BBBBBBBBBBBB",
 440       "BBBBBBBBBBBB",
 441       "     .....BB",
 442       " ++++@@@@.BB",
 443       " +...   @.BB",
 444       " +.@@++ @.BB",
 445       " +.@ .+ @.BB",
 446       ".@ +. @.+ BB",
 447       ".@ ++@@.+ BB",
 448       ".@   ...+ BB",
 449       ".@@@@++++ BB",
 450       ".....     BB"
 451    };
 452    static const char * xpm_gt_bb[] = {
 453       "12 12 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 454       "BBBBBBBBBBBB",
 455       "BBBBBBBBBBBB",
 456       "BBBBBBBBBBBB",
 457       "BBBBBBBBBBBB",
 458       "     .....BB",
 459       " ++++@@@@.BB",
 460       " +...   @.BB",
 461       " +.@@++ @.BB",
 462       " +.@ .+ @.BB",
 463       ".@ +. @.+ BB",
 464       ".@ ++@@.+ BB",
 465       ".@   ...+ BB"
 466    };
 467    static const char * xpm_gt_r_t[] = {
 468       "12 12 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 469       "BB +...   @.",
 470       "BB +.@@++ @.",
 471       "BB +.@ .+ @.",
 472       "BB.@ +. @.+ ",
 473       "BB.@ ++@@.+ ",
 474       "BB.@   ...+ ",
 475       "BB.@@@@++++ ",
 476       "BB.....     ",
 477       "BBBBBBBBBBBB",
 478       "BBBBBBBBBBBB",
 479       "BBBBBBBBBBBB",
 480       "BBBBBBBBBBBB"
 481    };
 482    static const char * xpm_gt_r[] = {
 483       "12 12 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 484       "BB     .....",
 485       "BB ++++@@@@.",
 486       "BB +...   @.",
 487       "BB +.@@++ @.",
 488       "BB +.@ .+ @.",
 489       "BB.@ +. @.+ ",
 490       "BB.@ ++@@.+ ",
 491       "BB.@   ...+ ",
 492       "BB.@@@@++++ ",
 493       "BB.....     ",
 494       "BBBBBBBBBBBB",
 495       "BBBBBBBBBBBB"
 496    };
 497    static const char * xpm_gt_r_b[] = {
 498       "12 12 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 499       "BBBBBBBBBBBB",
 500       "BBBBBBBBBBBB",
 501       "BB     .....",
 502       "BB ++++@@@@.",
 503       "BB +...   @.",
 504       "BB +.@@++ @.",
 505       "BB +.@ .+ @.",
 506       "BB.@ +. @.+ ",
 507       "BB.@ ++@@.+ ",
 508       "BB.@   ...+ ",
 509       "BB.@@@@++++ ",
 510       "BB.....     "
 511    };
 512    static const char * xpm_gt_r_bb[] = {
 513       "12 12 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 514       "BBBBBBBBBBBB",
 515       "BBBBBBBBBBBB",
 516       "BBBBBBBBBBBB",
 517       "BBBBBBBBBBBB",
 518       "BB     .....",
 519       "BB ++++@@@@.",
 520       "BB +...   @.",
 521       "BB +.@@++ @.",
 522       "BB +.@ .+ @.",
 523       "BB.@ +. @.+ ",
 524       "BB.@ ++@@.+ ",
 525       "BB.@   ...+ "
 526    };
 527    static const char * xpm_gt_rr_t[] = {
 528       "12 12 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 529       "BBBB +...   ",
 530       "BBBB +.@@++ ",
 531       "BBBB +.@ .+ ",
 532       "BBBB.@ +. @.",
 533       "BBBB.@ ++@@.",
 534       "BBBB.@   ...",
 535       "BBBB.@@@@+++",
 536       "BBBB.....   ",
 537       "BBBBBBBBBBBB",
 538       "BBBBBBBBBBBB",
 539       "BBBBBBBBBBBB",
 540       "BBBBBBBBBBBB"
 541    };
 542    static const char * xpm_gt_rr[] = {
 543       "12 12 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 544       "BBBB     ...",
 545       "BBBB ++++@@@",
 546       "BBBB +...   ",
 547       "BBBB +.@@++ ",
 548       "BBBB +.@ .+ ",
 549       "BBBB.@ +. @.",
 550       "BBBB.@ ++@@.",
 551       "BBBB.@   ...",
 552       "BBBB.@@@@+++",
 553       "BBBB.....   ",
 554       "BBBBBBBBBBBB",
 555       "BBBBBBBBBBBB"
 556    };
 557    static const char * xpm_gt_rr_b[] = {
 558       "12 12 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 559       "BBBBBBBBBBBB",
 560       "BBBBBBBBBBBB",
 561       "BBBB     ...",
 562       "BBBB ++++@@@",
 563       "BBBB +...   ",
 564       "BBBB +.@@++ ",
 565       "BBBB +.@ .+ ",
 566       "BBBB.@ +. @.",
 567       "BBBB.@ ++@@.",
 568       "BBBB.@   ...",
 569       "BBBB.@@@@+++",
 570       "BBBB.....   "
 571    };
 572    static const char * xpm_gt_rr_bb[] = {
 573       "12 12 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 574       "BBBBBBBBBBBB",
 575       "BBBBBBBBBBBB",
 576       "BBBBBBBBBBBB",
 577       "BBBBBBBBBBBB",
 578       "BBBB     ...",
 579       "BBBB ++++@@@",
 580       "BBBB +...   ",
 581       "BBBB +.@@++ ",
 582       "BBBB +.@ .+ ",
 583       "BBBB.@ +. @.",
 584       "BBBB.@ ++@@.",
 585       "BBBB.@   ..."
 586    };
 587    static const char * xpm_sm_ll_tt[] = {
 588       "8 8 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 589       " .+ @.BB",
 590       ". @.+ BB",
 591       "+@@.+ BB",
 592       " ...+ BB",
 593       "@++++ BB",
 594       ".     BB",
 595       "BBBBBBBB",
 596       "BBBBBBBB"
 597    };
 598    static const char * xpm_sm_ll_t[] = {
 599       "8 8 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 600       ".   @.BB",
 601       "@++ @.BB",
 602       " .+ @.BB",
 603       ". @.+ BB",
 604       "+@@.+ BB",
 605       " ...+ BB",
 606       "@++++ BB",
 607       ".     BB"
 608    };
 609    static const char * xpm_sm_ll[] = {
 610       "8 8 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 611       " .....BB",
 612       "+@@@@.BB",
 613       ".   @.BB",
 614       "@++ @.BB",
 615       " .+ @.BB",
 616       ". @.+ BB",
 617       "+@@.+ BB",
 618       " ...+ BB"
 619    };
 620    static const char * xpm_sm_ll_b[] = {
 621       "8 8 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 622       "BBBBBBBB",
 623       "BBBBBBBB",
 624       " .....BB",
 625       "+@@@@.BB",
 626       ".   @.BB",
 627       "@++ @.BB",
 628       " .+ @.BB",
 629       ". @.+ BB"
 630    };
 631    static const char * xpm_sm_l_tt[] = {
 632       "8 8 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 633       ".@ .+ @.",
 634       " +. @.+ ",
 635       " ++@@.+ ",
 636       "   ...+ ",
 637       "@@@++++ ",
 638       "...     ",
 639       "BBBBBBBB",
 640       "BBBBBBBB"
 641    };
 642    static const char * xpm_sm_l_t[] = {
 643       "8 8 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 644       "...   @.",
 645       ".@@++ @.",
 646       ".@ .+ @.",
 647       " +. @.+ ",
 648       " ++@@.+ ",
 649       "   ...+ ",
 650       "@@@++++ ",
 651       "...     "
 652    };
 653    static const char * xpm_sm_l[] = {
 654       "8 8 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 655       "   .....",
 656       "+++@@@@.",
 657       "...   @.",
 658       ".@@++ @.",
 659       ".@ .+ @.",
 660       " +. @.+ ",
 661       " ++@@.+ ",
 662       "   ...+ "
 663    };
 664    static const char * xpm_sm_l_b[] = {
 665       "8 8 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 666       "BBBBBBBB",
 667       "BBBBBBBB",
 668       "   .....",
 669       "+++@@@@.",
 670       "...   @.",
 671       ".@@++ @.",
 672       ".@ .+ @.",
 673       " +. @.+ "
 674    };
 675    static const char * xpm_sm_tt[] = {
 676       "8 8 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 677       " +.@ .+ ",
 678       ".@ +. @.",
 679       ".@ ++@@.",
 680       ".@   ...",
 681       ".@@@@+++",
 682       ".....   ",
 683       "BBBBBBBB",
 684       "BBBBBBBB"
 685    };
 686    static const char * xpm_sm_t[] = {
 687       "8 8 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 688       " +...   ",
 689       " +.@@++ ",
 690       " +.@ .+ ",
 691       ".@ +. @.",
 692       ".@ ++@@.",
 693       ".@   ...",
 694       ".@@@@+++",
 695       ".....   "
 696    };
 697    static const char * xpm_sm_b[] = {
 698       "8 8 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 699       "BBBBBBBB",
 700       "BBBBBBBB",
 701       "     ...",
 702       " ++++@@@",
 703       " +...   ",
 704       " +.@@++ ",
 705       " +.@ .+ ",
 706       ".@ +. @."
 707    };
 708    static const char * xpm_sm_r_tt[] = {
 709       "8 8 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 710       "BB +.@ .",
 711       "BB.@ +. ",
 712       "BB.@ ++@",
 713       "BB.@   .",
 714       "BB.@@@@+",
 715       "BB..... ",
 716       "BBBBBBBB",
 717       "BBBBBBBB"
 718    };
 719    static const char * xpm_sm_r_t[] = {
 720       "8 8 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 721       "BB +... ",
 722       "BB +.@@+",
 723       "BB +.@ .",
 724       "BB.@ +. ",
 725       "BB.@ ++@",
 726       "BB.@   .",
 727       "BB.@@@@+",
 728       "BB..... "
 729    };
 730    static const char * xpm_sm_r[] = {
 731       "8 8 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 732       "BB     .",
 733       "BB ++++@",
 734       "BB +... ",
 735       "BB +.@@+",
 736       "BB +.@ .",
 737       "BB.@ +. ",
 738       "BB.@ ++@",
 739       "BB.@   ."
 740    };
 741    static const char * xpm_sm_r_b[] = {
 742       "8 8 5 1", "B c Black", "  c #00ff00", ". c #0000ff", "+ c #7f7f7f", "@ c #FF0000",
 743       "BBBBBBBB",
 744       "BBBBBBBB",
 745       "BB     .",
 746       "BB ++++@",
 747       "BB +... ",
 748       "BB +.@@+",
 749       "BB +.@ .",
 750       "BB.@ +. "
 751    };
 752
 753    // this table defines all tests
 754    struct SizeTestData
 755    {
 756       int w, h, dx, dy;                // first parameters for Size()
 757       const char **ref_xpm;            // expected result
 758    } sizeTestData[] =
 759    {
 760       { 10, 10,  0,  0, xpm_orig},      // same size, same position
 761       { 12, 12,  0,  0, xpm_gt},       // target larger, same position
 762       {  8,  8,  0,  0, xpm_sm},       // target smaller, same position
 763       { 10, 10, -2, -2, xpm_l_t},      // same size, move left up
 764       { 10, 10, -2,  0, xpm_l},        // same size, move left
 765       { 10, 10, -2,  2, xpm_l_b},      // same size, move left down
 766       { 10, 10,  0, -2, xpm_t},        // same size, move up
 767       { 10, 10,  0,  2, xpm_b},        // same size, move down
 768       { 10, 10,  2, -2, xpm_r_t},      // same size, move right up
 769       { 10, 10,  2,  0, xpm_r},        // same size, move right
 770       { 10, 10,  2,  2, xpm_r_b},      // same size, move right down
 771       { 12, 12, -2, -2, xpm_gt_l_t},   // target larger, move left up
 772       { 12, 12, -2,  0, xpm_gt_l},     // target larger, move left
 773       { 12, 12, -2,  2, xpm_gt_l_b},   // target larger, move left down
 774       { 12, 12, -2,  4, xpm_gt_l_bb},  // target larger, move left down
 775       { 12, 12,  0, -2, xpm_gt_t},     // target larger, move up
 776       { 12, 12,  0,  2, xpm_gt_b},     // target larger, move down
 777       { 12, 12,  0,  4, xpm_gt_bb},    // target larger, move down
 778       { 12, 12,  2, -2, xpm_gt_r_t},   // target larger, move right up
 779       { 12, 12,  2,  0, xpm_gt_r},     // target larger, move right
 780       { 12, 12,  2,  2, xpm_gt_r_b},   // target larger, move right down
 781       { 12, 12,  2,  4, xpm_gt_r_bb},  // target larger, move right down
 782       { 12, 12,  4, -2, xpm_gt_rr_t},  // target larger, move right up
 783       { 12, 12,  4,  0, xpm_gt_rr},    // target larger, move right
 784       { 12, 12,  4,  2, xpm_gt_rr_b},  // target larger, move right down
 785       { 12, 12,  4,  4, xpm_gt_rr_bb}, // target larger, move right down
 786       {  8,  8, -4, -4, xpm_sm_ll_tt}, // target smaller, move left up
 787       {  8,  8, -4, -2, xpm_sm_ll_t},  // target smaller, move left up
 788       {  8,  8, -4,  0, xpm_sm_ll},    // target smaller, move left
 789       {  8,  8, -4,  2, xpm_sm_ll_b},  // target smaller, move left down
 790       {  8,  8, -2, -4, xpm_sm_l_tt},  // target smaller, move left up
 791       {  8,  8, -2, -2, xpm_sm_l_t},   // target smaller, move left up
 792       {  8,  8, -2,  0, xpm_sm_l},     // target smaller, move left
 793       {  8,  8, -2,  2, xpm_sm_l_b},   // target smaller, move left down
 794       {  8,  8,  0, -4, xpm_sm_tt},    // target smaller, move up
 795       {  8,  8,  0, -2, xpm_sm_t},     // target smaller, move up
 796       {  8,  8,  0,  2, xpm_sm_b},     // target smaller, move down
 797       {  8,  8,  2, -4, xpm_sm_r_tt},  // target smaller, move right up
 798       {  8,  8,  2, -2, xpm_sm_r_t},   // target smaller, move right up
 799       {  8,  8,  2,  0, xpm_sm_r},     // target smaller, move right
 800       {  8,  8,  2,  2, xpm_sm_r_b},   // target smaller, move right down
 801    };
 802
 803    const wxImage src_img(xpm_orig);
 804    for ( unsigned i = 0; i < WXSIZEOF(sizeTestData); i++ )
 805    {
 806        SizeTestData& st = sizeTestData[i];
 807        wxImage
 808            actual(src_img.Size(wxSize(st.w, st.h), wxPoint(st.dx, st.dy), 0, 0, 0)),
 809            expected(st.ref_xpm);
 810
 811        // to check results with an image viewer uncomment this:
 812        //actual.SaveFile(wxString::Format("imagetest-%02d-actual.png", i), wxBITMAP_TYPE_PNG);
 813        //expected.SaveFile(wxString::Format("imagetest-%02d-exp.png", i), wxBITMAP_TYPE_PNG);
 814
 815        CPPUNIT_ASSERT_EQUAL( actual.GetSize().x, expected.GetSize().x );
 816        CPPUNIT_ASSERT_EQUAL( actual.GetSize().y, expected.GetSize().y );
 817
 818        const unsigned data_len = 3 * expected.GetHeight() * expected.GetWidth();
 819
 820        WX_ASSERT_MESSAGE
 821        (
 822          ("Resize test #%u: (%d, %d), (%d, %d)", i, st.w, st.h, st.dx, st.dy),
 823          memcmp(actual.GetData(), expected.GetData(), data_len) == 0
 824        );
 825    }
 826 }
 827
 828 #endif //wxUSE_IMAGE
 829
 830
 831 /*
 832     TODO: add lots of more tests to wxImage functions
 833 */