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