| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/gtk1/bitmap.cpp |
| 3 | // Purpose: |
| 4 | // Author: Robert Roebling |
| 5 | // RCS-ID: $Id$ |
| 6 | // Copyright: (c) 1998 Robert Roebling |
| 7 | // Licence: wxWindows licence |
| 8 | ///////////////////////////////////////////////////////////////////////////// |
| 9 | |
| 10 | // For compilers that support precompilation, includes "wx.h". |
| 11 | #include "wx/wxprec.h" |
| 12 | |
| 13 | #include "wx/bitmap.h" |
| 14 | |
| 15 | #ifndef WX_PRECOMP |
| 16 | #include "wx/app.h" |
| 17 | #include "wx/dcmemory.h" |
| 18 | #include "wx/palette.h" |
| 19 | #include "wx/icon.h" |
| 20 | #include "wx/math.h" |
| 21 | #include "wx/image.h" |
| 22 | #endif // WX_PRECOMP |
| 23 | |
| 24 | #include "wx/filefn.h" |
| 25 | |
| 26 | #include <gdk/gdk.h> |
| 27 | #include <gtk/gtk.h> |
| 28 | #include <gdk/gdkx.h> |
| 29 | |
| 30 | #include <gdk/gdkrgb.h> |
| 31 | |
| 32 | extern |
| 33 | void gdk_wx_draw_bitmap (GdkDrawable *drawable, |
| 34 | GdkGC *gc, |
| 35 | GdkDrawable *src, |
| 36 | gint xsrc, |
| 37 | gint ysrc, |
| 38 | gint xdest, |
| 39 | gint ydest, |
| 40 | gint width, |
| 41 | gint height); |
| 42 | |
| 43 | //----------------------------------------------------------------------------- |
| 44 | // data |
| 45 | //----------------------------------------------------------------------------- |
| 46 | |
| 47 | extern GtkWidget *wxGetRootWindow(); |
| 48 | |
| 49 | //----------------------------------------------------------------------------- |
| 50 | // wxMask |
| 51 | //----------------------------------------------------------------------------- |
| 52 | |
| 53 | IMPLEMENT_DYNAMIC_CLASS(wxMask,wxObject) |
| 54 | |
| 55 | wxMask::wxMask() |
| 56 | { |
| 57 | m_bitmap = (GdkBitmap *) NULL; |
| 58 | } |
| 59 | |
| 60 | wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour ) |
| 61 | { |
| 62 | m_bitmap = (GdkBitmap *) NULL; |
| 63 | Create( bitmap, colour ); |
| 64 | } |
| 65 | |
| 66 | #if wxUSE_PALETTE |
| 67 | wxMask::wxMask( const wxBitmap& bitmap, int paletteIndex ) |
| 68 | { |
| 69 | m_bitmap = (GdkBitmap *) NULL; |
| 70 | Create( bitmap, paletteIndex ); |
| 71 | } |
| 72 | #endif // wxUSE_PALETTE |
| 73 | |
| 74 | wxMask::wxMask( const wxBitmap& bitmap ) |
| 75 | { |
| 76 | m_bitmap = (GdkBitmap *) NULL; |
| 77 | Create( bitmap ); |
| 78 | } |
| 79 | |
| 80 | wxMask::~wxMask() |
| 81 | { |
| 82 | if (m_bitmap) |
| 83 | gdk_bitmap_unref( m_bitmap ); |
| 84 | } |
| 85 | |
| 86 | bool wxMask::Create( const wxBitmap& bitmap, |
| 87 | const wxColour& colour ) |
| 88 | { |
| 89 | if (m_bitmap) |
| 90 | { |
| 91 | gdk_bitmap_unref( m_bitmap ); |
| 92 | m_bitmap = (GdkBitmap*) NULL; |
| 93 | } |
| 94 | |
| 95 | wxImage image = bitmap.ConvertToImage(); |
| 96 | if (!image.Ok()) return false; |
| 97 | |
| 98 | m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, image.GetWidth(), image.GetHeight(), 1 ); |
| 99 | GdkGC *gc = gdk_gc_new( m_bitmap ); |
| 100 | |
| 101 | GdkColor color; |
| 102 | color.red = 65000; |
| 103 | color.green = 65000; |
| 104 | color.blue = 65000; |
| 105 | color.pixel = 1; |
| 106 | gdk_gc_set_foreground( gc, &color ); |
| 107 | gdk_gc_set_fill( gc, GDK_SOLID ); |
| 108 | gdk_draw_rectangle( m_bitmap, gc, TRUE, 0, 0, image.GetWidth(), image.GetHeight() ); |
| 109 | |
| 110 | unsigned char *data = image.GetData(); |
| 111 | int index = 0; |
| 112 | |
| 113 | unsigned char red = colour.Red(); |
| 114 | unsigned char green = colour.Green(); |
| 115 | unsigned char blue = colour.Blue(); |
| 116 | |
| 117 | GdkVisual *visual = wxTheApp->GetGdkVisual(); |
| 118 | |
| 119 | int bpp = visual->depth; |
| 120 | if ((bpp == 16) && (visual->red_mask != 0xf800)) |
| 121 | bpp = 15; |
| 122 | if (bpp == 15) |
| 123 | { |
| 124 | red = red & 0xf8; |
| 125 | green = green & 0xf8; |
| 126 | blue = blue & 0xf8; |
| 127 | } |
| 128 | else if (bpp == 16) |
| 129 | { |
| 130 | red = red & 0xf8; |
| 131 | green = green & 0xfc; |
| 132 | blue = blue & 0xf8; |
| 133 | } |
| 134 | else if (bpp == 12) |
| 135 | { |
| 136 | red = red & 0xf0; |
| 137 | green = green & 0xf0; |
| 138 | blue = blue & 0xf0; |
| 139 | } |
| 140 | |
| 141 | color.red = 0; |
| 142 | color.green = 0; |
| 143 | color.blue = 0; |
| 144 | color.pixel = 0; |
| 145 | gdk_gc_set_foreground( gc, &color ); |
| 146 | |
| 147 | for (int j = 0; j < image.GetHeight(); j++) |
| 148 | { |
| 149 | int start_x = -1; |
| 150 | int i; |
| 151 | for (i = 0; i < image.GetWidth(); i++) |
| 152 | { |
| 153 | if ((data[index] == red) && |
| 154 | (data[index+1] == green) && |
| 155 | (data[index+2] == blue)) |
| 156 | { |
| 157 | if (start_x == -1) |
| 158 | start_x = i; |
| 159 | } |
| 160 | else |
| 161 | { |
| 162 | if (start_x != -1) |
| 163 | { |
| 164 | gdk_draw_line( m_bitmap, gc, start_x, j, i-1, j ); |
| 165 | start_x = -1; |
| 166 | } |
| 167 | } |
| 168 | index += 3; |
| 169 | } |
| 170 | if (start_x != -1) |
| 171 | gdk_draw_line( m_bitmap, gc, start_x, j, i, j ); |
| 172 | } |
| 173 | |
| 174 | gdk_gc_unref( gc ); |
| 175 | |
| 176 | return true; |
| 177 | } |
| 178 | |
| 179 | #if wxUSE_PALETTE |
| 180 | bool wxMask::Create( const wxBitmap& bitmap, int paletteIndex ) |
| 181 | { |
| 182 | unsigned char r,g,b; |
| 183 | wxPalette *pal = bitmap.GetPalette(); |
| 184 | |
| 185 | wxCHECK_MSG( pal, false, wxT("Cannot create mask from bitmap without palette") ); |
| 186 | |
| 187 | pal->GetRGB(paletteIndex, &r, &g, &b); |
| 188 | |
| 189 | return Create(bitmap, wxColour(r, g, b)); |
| 190 | } |
| 191 | #endif // wxUSE_PALETTE |
| 192 | |
| 193 | bool wxMask::Create( const wxBitmap& bitmap ) |
| 194 | { |
| 195 | if (m_bitmap) |
| 196 | { |
| 197 | gdk_bitmap_unref( m_bitmap ); |
| 198 | m_bitmap = (GdkBitmap*) NULL; |
| 199 | } |
| 200 | |
| 201 | if (!bitmap.Ok()) return false; |
| 202 | |
| 203 | wxCHECK_MSG( bitmap.GetBitmap(), false, wxT("Cannot create mask from colour bitmap") ); |
| 204 | |
| 205 | m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, bitmap.GetWidth(), bitmap.GetHeight(), 1 ); |
| 206 | |
| 207 | if (!m_bitmap) return false; |
| 208 | |
| 209 | GdkGC *gc = gdk_gc_new( m_bitmap ); |
| 210 | |
| 211 | gdk_wx_draw_bitmap( m_bitmap, gc, bitmap.GetBitmap(), 0, 0, 0, 0, bitmap.GetWidth(), bitmap.GetHeight() ); |
| 212 | |
| 213 | gdk_gc_unref( gc ); |
| 214 | |
| 215 | return true; |
| 216 | } |
| 217 | |
| 218 | GdkBitmap *wxMask::GetBitmap() const |
| 219 | { |
| 220 | return m_bitmap; |
| 221 | } |
| 222 | |
| 223 | //----------------------------------------------------------------------------- |
| 224 | // wxBitmap |
| 225 | //----------------------------------------------------------------------------- |
| 226 | |
| 227 | class wxBitmapRefData: public wxObjectRefData |
| 228 | { |
| 229 | public: |
| 230 | wxBitmapRefData(); |
| 231 | wxBitmapRefData(const wxBitmapRefData& data); |
| 232 | bool Create(int width, int height, int bpp); |
| 233 | virtual ~wxBitmapRefData(); |
| 234 | |
| 235 | GdkPixmap *m_pixmap; |
| 236 | GdkBitmap *m_bitmap; |
| 237 | wxMask *m_mask; |
| 238 | int m_width; |
| 239 | int m_height; |
| 240 | int m_bpp; |
| 241 | #if wxUSE_PALETTE |
| 242 | wxPalette *m_palette; |
| 243 | #endif // wxUSE_PALETTE |
| 244 | }; |
| 245 | |
| 246 | wxBitmapRefData::wxBitmapRefData() |
| 247 | { |
| 248 | m_pixmap = (GdkPixmap *) NULL; |
| 249 | m_bitmap = (GdkBitmap *) NULL; |
| 250 | m_mask = (wxMask *) NULL; |
| 251 | m_width = 0; |
| 252 | m_height = 0; |
| 253 | m_bpp = 0; |
| 254 | #if wxUSE_PALETTE |
| 255 | m_palette = (wxPalette *) NULL; |
| 256 | #endif // wxUSE_PALETTE |
| 257 | } |
| 258 | |
| 259 | wxBitmapRefData::wxBitmapRefData(const wxBitmapRefData& data) |
| 260 | { |
| 261 | Create(data.m_width, data.m_height, data.m_bpp); |
| 262 | |
| 263 | m_mask = data.m_mask ? new wxMask(*data.m_mask) : NULL; |
| 264 | |
| 265 | #if wxUSE_PALETTE |
| 266 | wxASSERT_MSG( !data.m_palette, |
| 267 | _T("copying bitmaps palette not implemented") ); |
| 268 | #endif // wxUSE_PALETTE |
| 269 | |
| 270 | |
| 271 | // copy the bitmap data by simply drawing the source bitmap on this one |
| 272 | GdkPixmap **dst; |
| 273 | if ( data.m_pixmap ) |
| 274 | { |
| 275 | dst = &m_pixmap; |
| 276 | } |
| 277 | else if ( data.m_bitmap ) |
| 278 | { |
| 279 | dst = &m_bitmap; |
| 280 | } |
| 281 | else // invalid bitmap? |
| 282 | { |
| 283 | return; |
| 284 | } |
| 285 | |
| 286 | GdkGC *gc = gdk_gc_new(*dst); |
| 287 | if ( m_bpp == 1 ) |
| 288 | { |
| 289 | gdk_wx_draw_bitmap(m_bitmap, gc, data.m_bitmap, 0, 0, 0, 0, -1, -1); |
| 290 | } |
| 291 | else // colour pixmap |
| 292 | { |
| 293 | gdk_draw_pixmap(m_pixmap, gc, data.m_pixmap, 0, 0, 0, 0, -1, -1); |
| 294 | } |
| 295 | |
| 296 | gdk_gc_unref(gc); |
| 297 | } |
| 298 | |
| 299 | bool wxBitmapRefData::Create(int width, int height, int bpp) |
| 300 | { |
| 301 | m_width = width; |
| 302 | m_height = height; |
| 303 | m_bpp = bpp; |
| 304 | |
| 305 | m_mask = NULL; |
| 306 | #if wxUSE_PALETTE |
| 307 | m_palette = NULL; |
| 308 | #endif |
| 309 | |
| 310 | // to understand how this compiles you should know that GdkPixmap and |
| 311 | // GdkBitmap are one and the same type in GTK+ 1 |
| 312 | GdkPixmap **ppix; |
| 313 | if ( m_bpp != 1 ) |
| 314 | { |
| 315 | const GdkVisual * const visual = wxTheApp->GetGdkVisual(); |
| 316 | |
| 317 | wxCHECK_MSG( (bpp == -1) || (bpp == visual->depth) || (bpp == 32), false, |
| 318 | wxT("invalid bitmap depth") ); |
| 319 | |
| 320 | m_bpp = visual->depth; |
| 321 | |
| 322 | ppix = &m_pixmap; |
| 323 | m_bitmap = NULL; |
| 324 | } |
| 325 | else // mono bitmap |
| 326 | { |
| 327 | ppix = &m_bitmap; |
| 328 | m_pixmap = NULL; |
| 329 | } |
| 330 | |
| 331 | *ppix = gdk_pixmap_new( wxGetRootWindow()->window, width, height, m_bpp ); |
| 332 | |
| 333 | return *ppix != NULL; |
| 334 | } |
| 335 | |
| 336 | wxBitmapRefData::~wxBitmapRefData() |
| 337 | { |
| 338 | if (m_pixmap) |
| 339 | gdk_pixmap_unref( m_pixmap ); |
| 340 | if (m_bitmap) |
| 341 | gdk_bitmap_unref( m_bitmap ); |
| 342 | delete m_mask; |
| 343 | #if wxUSE_PALETTE |
| 344 | delete m_palette; |
| 345 | #endif // wxUSE_PALETTE |
| 346 | } |
| 347 | |
| 348 | //----------------------------------------------------------------------------- |
| 349 | |
| 350 | #define M_BMPDATA ((wxBitmapRefData *)m_refData) |
| 351 | |
| 352 | IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject) |
| 353 | |
| 354 | wxBitmap::wxBitmap() |
| 355 | { |
| 356 | } |
| 357 | |
| 358 | wxBitmap::wxBitmap( int width, int height, int depth ) |
| 359 | { |
| 360 | Create( width, height, depth ); |
| 361 | } |
| 362 | |
| 363 | wxObjectRefData *wxBitmap::CreateRefData() const |
| 364 | { |
| 365 | return new wxBitmapRefData; |
| 366 | } |
| 367 | |
| 368 | wxObjectRefData *wxBitmap::CloneRefData(const wxObjectRefData *data) const |
| 369 | { |
| 370 | return new wxBitmapRefData(*wx_static_cast(const wxBitmapRefData *, data)); |
| 371 | } |
| 372 | |
| 373 | bool wxBitmap::Create( int width, int height, int depth ) |
| 374 | { |
| 375 | UnRef(); |
| 376 | |
| 377 | if ( width <= 0 || height <= 0 ) |
| 378 | { |
| 379 | return false; |
| 380 | } |
| 381 | |
| 382 | m_refData = new wxBitmapRefData(); |
| 383 | return M_BMPDATA->Create(width, height, depth); |
| 384 | } |
| 385 | |
| 386 | wxBitmap::wxBitmap(const char* const* bits) |
| 387 | { |
| 388 | wxCHECK2_MSG(bits != NULL, return, wxT("invalid bitmap data")); |
| 389 | |
| 390 | GdkVisual *visual = wxTheApp->GetGdkVisual(); |
| 391 | |
| 392 | m_refData = new wxBitmapRefData(); |
| 393 | |
| 394 | GdkBitmap *mask = (GdkBitmap*) NULL; |
| 395 | |
| 396 | M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( wxGetRootWindow()->window, &mask, NULL, (gchar **) bits ); |
| 397 | |
| 398 | wxCHECK2_MSG(M_BMPDATA->m_pixmap, return, wxT("couldn't create pixmap")); |
| 399 | |
| 400 | if (mask) |
| 401 | { |
| 402 | M_BMPDATA->m_mask = new wxMask(); |
| 403 | M_BMPDATA->m_mask->m_bitmap = mask; |
| 404 | } |
| 405 | |
| 406 | gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) ); |
| 407 | |
| 408 | M_BMPDATA->m_bpp = visual->depth; // Can we get a different depth from create_from_xpm_d() ? |
| 409 | } |
| 410 | |
| 411 | wxBitmap wxBitmap::Rescale( int clipx, int clipy, int clipwidth, int clipheight, int newx, int newy ) |
| 412 | { |
| 413 | wxCHECK_MSG( Ok(), wxNullBitmap, wxT("invalid bitmap") ); |
| 414 | |
| 415 | if (newy==M_BMPDATA->m_width && newy==M_BMPDATA->m_height) |
| 416 | return *this; |
| 417 | |
| 418 | int width = wxMax(newx, 1); |
| 419 | int height = wxMax(newy, 1); |
| 420 | width = wxMin(width, clipwidth); |
| 421 | height = wxMin(height, clipheight); |
| 422 | |
| 423 | wxBitmap bmp; |
| 424 | |
| 425 | GdkImage *img = (GdkImage*) NULL; |
| 426 | if (GetPixmap()) |
| 427 | img = gdk_image_get( GetPixmap(), 0, 0, GetWidth(), GetHeight() ); |
| 428 | else if (GetBitmap()) |
| 429 | img = gdk_image_get( GetBitmap(), 0, 0, GetWidth(), GetHeight() ); |
| 430 | else |
| 431 | wxFAIL_MSG( wxT("Ill-formed bitmap") ); |
| 432 | |
| 433 | wxCHECK_MSG( img, wxNullBitmap, wxT("couldn't create image") ); |
| 434 | |
| 435 | int bpp = -1; |
| 436 | |
| 437 | |
| 438 | GdkGC *gc = NULL; |
| 439 | GdkPixmap *dstpix = NULL; |
| 440 | if (GetPixmap()) |
| 441 | { |
| 442 | GdkVisual *visual = gdk_window_get_visual( GetPixmap() ); |
| 443 | if (visual == NULL) |
| 444 | visual = wxTheApp->GetGdkVisual(); |
| 445 | |
| 446 | bpp = visual->depth; |
| 447 | bmp = wxBitmap(width,height,bpp); |
| 448 | dstpix = bmp.GetPixmap(); |
| 449 | gc = gdk_gc_new( dstpix ); |
| 450 | } |
| 451 | |
| 452 | char *dst = NULL; |
| 453 | long dstbyteperline = 0; |
| 454 | |
| 455 | if (GetBitmap()) |
| 456 | { |
| 457 | bpp = 1; |
| 458 | dstbyteperline = width/8*M_BMPDATA->m_bpp; |
| 459 | if (width*M_BMPDATA->m_bpp % 8 != 0) |
| 460 | dstbyteperline++; |
| 461 | dst = (char*) malloc(dstbyteperline*height); |
| 462 | } |
| 463 | |
| 464 | // be careful to use the right scaling factor |
| 465 | float scx = (float)M_BMPDATA->m_width/(float)newx; |
| 466 | float scy = (float)M_BMPDATA->m_height/(float)newy; |
| 467 | // prepare accel-tables |
| 468 | int *tablex = (int *)calloc(width,sizeof(int)); |
| 469 | int *tabley = (int *)calloc(height,sizeof(int)); |
| 470 | |
| 471 | // accel table filled with clipped values |
| 472 | for (int x = 0; x < width; x++) |
| 473 | tablex[x] = (int) (scx * (x+clipx)); |
| 474 | for (int y = 0; y < height; y++) |
| 475 | tabley[y] = (int) (scy * (y+clipy)); |
| 476 | |
| 477 | // Main rescaling routine starts here |
| 478 | for (int h = 0; h < height; h++) |
| 479 | { |
| 480 | char outbyte = 0; |
| 481 | int old_x = -1; |
| 482 | guint32 old_pixval = 0; |
| 483 | |
| 484 | for (int w = 0; w < width; w++) |
| 485 | { |
| 486 | guint32 pixval; |
| 487 | int x = tablex[w]; |
| 488 | if (x == old_x) |
| 489 | pixval = old_pixval; |
| 490 | else |
| 491 | { |
| 492 | pixval = gdk_image_get_pixel( img, x, tabley[h] ); |
| 493 | old_pixval = pixval; |
| 494 | old_x = x; |
| 495 | } |
| 496 | |
| 497 | if (bpp == 1) |
| 498 | { |
| 499 | if (!pixval) |
| 500 | { |
| 501 | char bit=1; |
| 502 | char shift = bit << (w % 8); |
| 503 | outbyte |= shift; |
| 504 | } |
| 505 | |
| 506 | if ((w+1)%8==0) |
| 507 | { |
| 508 | dst[h*dstbyteperline+w/8] = outbyte; |
| 509 | outbyte = 0; |
| 510 | } |
| 511 | } |
| 512 | else |
| 513 | { |
| 514 | GdkColor col; |
| 515 | col.pixel = pixval; |
| 516 | gdk_gc_set_foreground( gc, &col ); |
| 517 | gdk_draw_point( dstpix, gc, w, h); |
| 518 | } |
| 519 | } |
| 520 | |
| 521 | // do not forget the last byte |
| 522 | if ((bpp == 1) && (width % 8 != 0)) |
| 523 | dst[h*dstbyteperline+width/8] = outbyte; |
| 524 | } |
| 525 | |
| 526 | gdk_image_destroy( img ); |
| 527 | if (gc) gdk_gc_unref( gc ); |
| 528 | |
| 529 | if (bpp == 1) |
| 530 | { |
| 531 | bmp = wxBitmap( (const char *)dst, width, height, 1 ); |
| 532 | free( dst ); |
| 533 | } |
| 534 | |
| 535 | if (GetMask()) |
| 536 | { |
| 537 | dstbyteperline = width/8; |
| 538 | if (width % 8 != 0) |
| 539 | dstbyteperline++; |
| 540 | dst = (char*) malloc(dstbyteperline*height); |
| 541 | img = gdk_image_get( GetMask()->GetBitmap(), 0, 0, GetWidth(), GetHeight() ); |
| 542 | |
| 543 | for (int h = 0; h < height; h++) |
| 544 | { |
| 545 | char outbyte = 0; |
| 546 | int old_x = -1; |
| 547 | guint32 old_pixval = 0; |
| 548 | |
| 549 | for (int w = 0; w < width; w++) |
| 550 | { |
| 551 | guint32 pixval; |
| 552 | int x = tablex[w]; |
| 553 | if (x == old_x) |
| 554 | pixval = old_pixval; |
| 555 | else |
| 556 | { |
| 557 | pixval = gdk_image_get_pixel( img, x, tabley[h] ); |
| 558 | old_pixval = pixval; |
| 559 | old_x = x; |
| 560 | } |
| 561 | |
| 562 | if (pixval) |
| 563 | { |
| 564 | char bit=1; |
| 565 | char shift = bit << (w % 8); |
| 566 | outbyte |= shift; |
| 567 | } |
| 568 | |
| 569 | if ((w+1)%8 == 0) |
| 570 | { |
| 571 | dst[h*dstbyteperline+w/8] = outbyte; |
| 572 | outbyte = 0; |
| 573 | } |
| 574 | } |
| 575 | |
| 576 | // do not forget the last byte |
| 577 | if (width % 8 != 0) |
| 578 | dst[h*dstbyteperline+width/8] = outbyte; |
| 579 | } |
| 580 | wxMask* mask = new wxMask; |
| 581 | mask->m_bitmap = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar *) dst, width, height ); |
| 582 | bmp.SetMask(mask); |
| 583 | |
| 584 | free( dst ); |
| 585 | gdk_image_destroy( img ); |
| 586 | } |
| 587 | |
| 588 | free( tablex ); |
| 589 | free( tabley ); |
| 590 | |
| 591 | return bmp; |
| 592 | } |
| 593 | |
| 594 | bool wxBitmap::CreateFromImage(const wxImage& image, int depth) |
| 595 | { |
| 596 | UnRef(); |
| 597 | |
| 598 | wxCHECK_MSG( image.Ok(), false, wxT("invalid image") ); |
| 599 | wxCHECK_MSG( depth == -1 || depth == 1, false, wxT("invalid bitmap depth") ); |
| 600 | |
| 601 | if (image.GetWidth() <= 0 || image.GetHeight() <= 0) |
| 602 | return false; |
| 603 | |
| 604 | m_refData = new wxBitmapRefData(); |
| 605 | |
| 606 | if (depth == 1) |
| 607 | { |
| 608 | return CreateFromImageAsBitmap(image); |
| 609 | } |
| 610 | else |
| 611 | { |
| 612 | return CreateFromImageAsPixmap(image); |
| 613 | } |
| 614 | } |
| 615 | |
| 616 | // conversion to mono bitmap: |
| 617 | bool wxBitmap::CreateFromImageAsBitmap(const wxImage& img) |
| 618 | { |
| 619 | // convert alpha channel to mask, if it is present: |
| 620 | wxImage image(img); |
| 621 | image.ConvertAlphaToMask(); |
| 622 | |
| 623 | int width = image.GetWidth(); |
| 624 | int height = image.GetHeight(); |
| 625 | |
| 626 | SetHeight( height ); |
| 627 | SetWidth( width ); |
| 628 | |
| 629 | SetBitmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ) ); |
| 630 | |
| 631 | SetDepth( 1 ); |
| 632 | |
| 633 | GdkVisual *visual = wxTheApp->GetGdkVisual(); |
| 634 | |
| 635 | // Create picture image |
| 636 | |
| 637 | unsigned char *data_data = (unsigned char*)malloc( ((width >> 3)+8) * height ); |
| 638 | |
| 639 | GdkImage *data_image = |
| 640 | gdk_image_new_bitmap( visual, data_data, width, height ); |
| 641 | |
| 642 | // Create mask image |
| 643 | |
| 644 | GdkImage *mask_image = (GdkImage*) NULL; |
| 645 | |
| 646 | if (image.HasMask()) |
| 647 | { |
| 648 | unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height ); |
| 649 | |
| 650 | mask_image = gdk_image_new_bitmap( visual, mask_data, width, height ); |
| 651 | |
| 652 | wxMask *mask = new wxMask(); |
| 653 | mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ); |
| 654 | |
| 655 | SetMask( mask ); |
| 656 | } |
| 657 | |
| 658 | int r_mask = image.GetMaskRed(); |
| 659 | int g_mask = image.GetMaskGreen(); |
| 660 | int b_mask = image.GetMaskBlue(); |
| 661 | |
| 662 | unsigned char* data = image.GetData(); |
| 663 | |
| 664 | int index = 0; |
| 665 | for (int y = 0; y < height; y++) |
| 666 | { |
| 667 | for (int x = 0; x < width; x++) |
| 668 | { |
| 669 | int r = data[index]; |
| 670 | index++; |
| 671 | int g = data[index]; |
| 672 | index++; |
| 673 | int b = data[index]; |
| 674 | index++; |
| 675 | |
| 676 | if (image.HasMask()) |
| 677 | { |
| 678 | if ((r == r_mask) && (b == b_mask) && (g == g_mask)) |
| 679 | gdk_image_put_pixel( mask_image, x, y, 1 ); |
| 680 | else |
| 681 | gdk_image_put_pixel( mask_image, x, y, 0 ); |
| 682 | } |
| 683 | |
| 684 | if ((r == 255) && (b == 255) && (g == 255)) |
| 685 | gdk_image_put_pixel( data_image, x, y, 1 ); |
| 686 | else |
| 687 | gdk_image_put_pixel( data_image, x, y, 0 ); |
| 688 | |
| 689 | } // for |
| 690 | } // for |
| 691 | |
| 692 | // Blit picture |
| 693 | |
| 694 | GdkGC *data_gc = gdk_gc_new( GetBitmap() ); |
| 695 | |
| 696 | gdk_draw_image( GetBitmap(), data_gc, data_image, 0, 0, 0, 0, width, height ); |
| 697 | |
| 698 | gdk_image_destroy( data_image ); |
| 699 | gdk_gc_unref( data_gc ); |
| 700 | |
| 701 | // Blit mask |
| 702 | |
| 703 | if (image.HasMask()) |
| 704 | { |
| 705 | GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() ); |
| 706 | |
| 707 | gdk_draw_image( GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height ); |
| 708 | |
| 709 | gdk_image_destroy( mask_image ); |
| 710 | gdk_gc_unref( mask_gc ); |
| 711 | } |
| 712 | |
| 713 | return true; |
| 714 | } |
| 715 | |
| 716 | // conversion to colour bitmap: |
| 717 | bool wxBitmap::CreateFromImageAsPixmap(const wxImage& img) |
| 718 | { |
| 719 | // convert alpha channel to mask, if it is present: |
| 720 | wxImage image(img); |
| 721 | image.ConvertAlphaToMask(); |
| 722 | |
| 723 | int width = image.GetWidth(); |
| 724 | int height = image.GetHeight(); |
| 725 | |
| 726 | SetHeight( height ); |
| 727 | SetWidth( width ); |
| 728 | |
| 729 | SetPixmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, -1 ) ); |
| 730 | |
| 731 | GdkVisual *visual = wxTheApp->GetGdkVisual(); |
| 732 | |
| 733 | int bpp = visual->depth; |
| 734 | |
| 735 | SetDepth( bpp ); |
| 736 | |
| 737 | if ((bpp == 16) && (visual->red_mask != 0xf800)) |
| 738 | bpp = 15; |
| 739 | else if (bpp < 8) |
| 740 | bpp = 8; |
| 741 | |
| 742 | // We handle 8-bit bitmaps ourselves using the colour cube, 12-bit |
| 743 | // visuals are not supported by GDK so we do these ourselves, too. |
| 744 | // 15-bit and 16-bit should actually work and 24-bit certainly does. |
| 745 | #ifdef __sgi |
| 746 | if (!image.HasMask() && (bpp > 16)) |
| 747 | #else |
| 748 | if (!image.HasMask() && (bpp > 12)) |
| 749 | #endif |
| 750 | { |
| 751 | static bool s_hasInitialized = false; |
| 752 | |
| 753 | if (!s_hasInitialized) |
| 754 | { |
| 755 | gdk_rgb_init(); |
| 756 | s_hasInitialized = true; |
| 757 | } |
| 758 | |
| 759 | GdkGC *gc = gdk_gc_new( GetPixmap() ); |
| 760 | |
| 761 | gdk_draw_rgb_image( GetPixmap(), |
| 762 | gc, |
| 763 | 0, 0, |
| 764 | width, height, |
| 765 | GDK_RGB_DITHER_NONE, |
| 766 | image.GetData(), |
| 767 | width*3 ); |
| 768 | |
| 769 | gdk_gc_unref( gc ); |
| 770 | return true; |
| 771 | } |
| 772 | |
| 773 | // Create picture image |
| 774 | |
| 775 | GdkImage *data_image = |
| 776 | gdk_image_new( GDK_IMAGE_FASTEST, visual, width, height ); |
| 777 | |
| 778 | // Create mask image |
| 779 | |
| 780 | GdkImage *mask_image = (GdkImage*) NULL; |
| 781 | |
| 782 | if (image.HasMask()) |
| 783 | { |
| 784 | unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height ); |
| 785 | |
| 786 | mask_image = gdk_image_new_bitmap( visual, mask_data, width, height ); |
| 787 | |
| 788 | wxMask *mask = new wxMask(); |
| 789 | mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ); |
| 790 | |
| 791 | SetMask( mask ); |
| 792 | } |
| 793 | |
| 794 | // Render |
| 795 | |
| 796 | enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR }; |
| 797 | byte_order b_o = RGB; |
| 798 | |
| 799 | if (bpp > 8) |
| 800 | { |
| 801 | if ((visual->red_mask > visual->green_mask) && (visual->green_mask > visual->blue_mask)) b_o = RGB; |
| 802 | else if ((visual->red_mask > visual->blue_mask) && (visual->blue_mask > visual->green_mask)) b_o = RBG; |
| 803 | else if ((visual->blue_mask > visual->red_mask) && (visual->red_mask > visual->green_mask)) b_o = BRG; |
| 804 | else if ((visual->blue_mask > visual->green_mask) && (visual->green_mask > visual->red_mask)) b_o = BGR; |
| 805 | else if ((visual->green_mask > visual->red_mask) && (visual->red_mask > visual->blue_mask)) b_o = GRB; |
| 806 | else if ((visual->green_mask > visual->blue_mask) && (visual->blue_mask > visual->red_mask)) b_o = GBR; |
| 807 | } |
| 808 | |
| 809 | int r_mask = image.GetMaskRed(); |
| 810 | int g_mask = image.GetMaskGreen(); |
| 811 | int b_mask = image.GetMaskBlue(); |
| 812 | |
| 813 | unsigned char* data = image.GetData(); |
| 814 | |
| 815 | int index = 0; |
| 816 | for (int y = 0; y < height; y++) |
| 817 | { |
| 818 | for (int x = 0; x < width; x++) |
| 819 | { |
| 820 | int r = data[index]; |
| 821 | index++; |
| 822 | int g = data[index]; |
| 823 | index++; |
| 824 | int b = data[index]; |
| 825 | index++; |
| 826 | |
| 827 | if (image.HasMask()) |
| 828 | { |
| 829 | if ((r == r_mask) && (b == b_mask) && (g == g_mask)) |
| 830 | gdk_image_put_pixel( mask_image, x, y, 1 ); |
| 831 | else |
| 832 | gdk_image_put_pixel( mask_image, x, y, 0 ); |
| 833 | } |
| 834 | |
| 835 | switch (bpp) |
| 836 | { |
| 837 | case 8: |
| 838 | { |
| 839 | int pixel = -1; |
| 840 | if (wxTheApp->m_colorCube) |
| 841 | { |
| 842 | pixel = wxTheApp->m_colorCube[ ((r & 0xf8) << 7) + ((g & 0xf8) << 2) + ((b & 0xf8) >> 3) ]; |
| 843 | } |
| 844 | else |
| 845 | { |
| 846 | GdkColormap *cmap = gtk_widget_get_default_colormap(); |
| 847 | GdkColor *colors = cmap->colors; |
| 848 | int max = 3 * (65536); |
| 849 | |
| 850 | for (int i = 0; i < cmap->size; i++) |
| 851 | { |
| 852 | int rdiff = (r << 8) - colors[i].red; |
| 853 | int gdiff = (g << 8) - colors[i].green; |
| 854 | int bdiff = (b << 8) - colors[i].blue; |
| 855 | int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff); |
| 856 | if (sum < max) { pixel = i; max = sum; } |
| 857 | } |
| 858 | } |
| 859 | |
| 860 | gdk_image_put_pixel( data_image, x, y, pixel ); |
| 861 | |
| 862 | break; |
| 863 | } |
| 864 | case 12: // SGI only |
| 865 | { |
| 866 | guint32 pixel = 0; |
| 867 | switch (b_o) |
| 868 | { |
| 869 | case RGB: pixel = ((r & 0xf0) << 4) | (g & 0xf0) | ((b & 0xf0) >> 4); break; |
| 870 | case RBG: pixel = ((r & 0xf0) << 4) | (b & 0xf0) | ((g & 0xf0) >> 4); break; |
| 871 | case GRB: pixel = ((g & 0xf0) << 4) | (r & 0xf0) | ((b & 0xf0) >> 4); break; |
| 872 | case GBR: pixel = ((g & 0xf0) << 4) | (b & 0xf0) | ((r & 0xf0) >> 4); break; |
| 873 | case BRG: pixel = ((b & 0xf0) << 4) | (r & 0xf0) | ((g & 0xf0) >> 4); break; |
| 874 | case BGR: pixel = ((b & 0xf0) << 4) | (g & 0xf0) | ((r & 0xf0) >> 4); break; |
| 875 | } |
| 876 | gdk_image_put_pixel( data_image, x, y, pixel ); |
| 877 | break; |
| 878 | } |
| 879 | case 15: |
| 880 | { |
| 881 | guint32 pixel = 0; |
| 882 | switch (b_o) |
| 883 | { |
| 884 | case RGB: pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3); break; |
| 885 | case RBG: pixel = ((r & 0xf8) << 7) | ((b & 0xf8) << 2) | ((g & 0xf8) >> 3); break; |
| 886 | case GRB: pixel = ((g & 0xf8) << 7) | ((r & 0xf8) << 2) | ((b & 0xf8) >> 3); break; |
| 887 | case GBR: pixel = ((g & 0xf8) << 7) | ((b & 0xf8) << 2) | ((r & 0xf8) >> 3); break; |
| 888 | case BRG: pixel = ((b & 0xf8) << 7) | ((r & 0xf8) << 2) | ((g & 0xf8) >> 3); break; |
| 889 | case BGR: pixel = ((b & 0xf8) << 7) | ((g & 0xf8) << 2) | ((r & 0xf8) >> 3); break; |
| 890 | } |
| 891 | gdk_image_put_pixel( data_image, x, y, pixel ); |
| 892 | break; |
| 893 | } |
| 894 | case 16: |
| 895 | { |
| 896 | // I actually don't know if for 16-bit displays, it is alway the green |
| 897 | // component or the second component which has 6 bits. |
| 898 | guint32 pixel = 0; |
| 899 | switch (b_o) |
| 900 | { |
| 901 | case RGB: pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3); break; |
| 902 | case RBG: pixel = ((r & 0xf8) << 8) | ((b & 0xfc) << 3) | ((g & 0xf8) >> 3); break; |
| 903 | case GRB: pixel = ((g & 0xf8) << 8) | ((r & 0xfc) << 3) | ((b & 0xf8) >> 3); break; |
| 904 | case GBR: pixel = ((g & 0xf8) << 8) | ((b & 0xfc) << 3) | ((r & 0xf8) >> 3); break; |
| 905 | case BRG: pixel = ((b & 0xf8) << 8) | ((r & 0xfc) << 3) | ((g & 0xf8) >> 3); break; |
| 906 | case BGR: pixel = ((b & 0xf8) << 8) | ((g & 0xfc) << 3) | ((r & 0xf8) >> 3); break; |
| 907 | } |
| 908 | gdk_image_put_pixel( data_image, x, y, pixel ); |
| 909 | break; |
| 910 | } |
| 911 | case 32: |
| 912 | case 24: |
| 913 | { |
| 914 | guint32 pixel = 0; |
| 915 | switch (b_o) |
| 916 | { |
| 917 | case RGB: pixel = (r << 16) | (g << 8) | b; break; |
| 918 | case RBG: pixel = (r << 16) | (b << 8) | g; break; |
| 919 | case BRG: pixel = (b << 16) | (r << 8) | g; break; |
| 920 | case BGR: pixel = (b << 16) | (g << 8) | r; break; |
| 921 | case GRB: pixel = (g << 16) | (r << 8) | b; break; |
| 922 | case GBR: pixel = (g << 16) | (b << 8) | r; break; |
| 923 | } |
| 924 | gdk_image_put_pixel( data_image, x, y, pixel ); |
| 925 | break; |
| 926 | } |
| 927 | default: break; |
| 928 | } |
| 929 | } // for |
| 930 | } // for |
| 931 | |
| 932 | // Blit picture |
| 933 | |
| 934 | GdkGC *data_gc = gdk_gc_new( GetPixmap() ); |
| 935 | |
| 936 | gdk_draw_image( GetPixmap(), data_gc, data_image, 0, 0, 0, 0, width, height ); |
| 937 | |
| 938 | gdk_image_destroy( data_image ); |
| 939 | gdk_gc_unref( data_gc ); |
| 940 | |
| 941 | // Blit mask |
| 942 | |
| 943 | if (image.HasMask()) |
| 944 | { |
| 945 | GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() ); |
| 946 | |
| 947 | gdk_draw_image( GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height ); |
| 948 | |
| 949 | gdk_image_destroy( mask_image ); |
| 950 | gdk_gc_unref( mask_gc ); |
| 951 | } |
| 952 | |
| 953 | return true; |
| 954 | } |
| 955 | |
| 956 | wxImage wxBitmap::ConvertToImage() const |
| 957 | { |
| 958 | wxImage image; |
| 959 | |
| 960 | wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") ); |
| 961 | |
| 962 | image.Create(GetWidth(), GetHeight()); |
| 963 | unsigned char *data = image.GetData(); |
| 964 | |
| 965 | if (!data) |
| 966 | { |
| 967 | wxFAIL_MSG( wxT("couldn't create image") ); |
| 968 | return wxNullImage; |
| 969 | } |
| 970 | |
| 971 | // the colour used as transparent one in wxImage and the one it is |
| 972 | // replaced with when it really occurs in the bitmap |
| 973 | static const int MASK_RED = 1; |
| 974 | static const int MASK_GREEN = 2; |
| 975 | static const int MASK_BLUE = 3; |
| 976 | static const int MASK_BLUE_REPLACEMENT = 2; |
| 977 | |
| 978 | GdkImage *gdk_image = (GdkImage*) NULL; |
| 979 | |
| 980 | if (HasPixmap()) |
| 981 | { |
| 982 | gdk_image = gdk_image_get( GetPixmap(), |
| 983 | 0, 0, |
| 984 | GetWidth(), GetHeight() ); |
| 985 | } |
| 986 | else if (GetBitmap()) |
| 987 | { |
| 988 | gdk_image = gdk_image_get( GetBitmap(), |
| 989 | 0, 0, |
| 990 | GetWidth(), GetHeight() ); |
| 991 | } |
| 992 | else |
| 993 | { |
| 994 | wxFAIL_MSG( wxT("Ill-formed bitmap") ); |
| 995 | } |
| 996 | |
| 997 | wxCHECK_MSG( gdk_image, wxNullImage, wxT("couldn't create image") ); |
| 998 | |
| 999 | GdkImage *gdk_image_mask = (GdkImage*) NULL; |
| 1000 | if (GetMask()) |
| 1001 | { |
| 1002 | gdk_image_mask = gdk_image_get( GetMask()->GetBitmap(), |
| 1003 | 0, 0, |
| 1004 | GetWidth(), GetHeight() ); |
| 1005 | |
| 1006 | image.SetMaskColour( MASK_RED, MASK_GREEN, MASK_BLUE ); |
| 1007 | } |
| 1008 | |
| 1009 | int bpp = -1; |
| 1010 | int red_shift_right = 0; |
| 1011 | int green_shift_right = 0; |
| 1012 | int blue_shift_right = 0; |
| 1013 | int red_shift_left = 0; |
| 1014 | int green_shift_left = 0; |
| 1015 | int blue_shift_left = 0; |
| 1016 | bool use_shift = false; |
| 1017 | |
| 1018 | if (GetPixmap()) |
| 1019 | { |
| 1020 | GdkVisual *visual = gdk_window_get_visual( GetPixmap() ); |
| 1021 | if (visual == NULL) |
| 1022 | visual = wxTheApp->GetGdkVisual(); |
| 1023 | |
| 1024 | bpp = visual->depth; |
| 1025 | if (bpp == 16) |
| 1026 | bpp = visual->red_prec + visual->green_prec + visual->blue_prec; |
| 1027 | red_shift_right = visual->red_shift; |
| 1028 | red_shift_left = 8-visual->red_prec; |
| 1029 | green_shift_right = visual->green_shift; |
| 1030 | green_shift_left = 8-visual->green_prec; |
| 1031 | blue_shift_right = visual->blue_shift; |
| 1032 | blue_shift_left = 8-visual->blue_prec; |
| 1033 | |
| 1034 | use_shift = (visual->type == GDK_VISUAL_TRUE_COLOR) || (visual->type == GDK_VISUAL_DIRECT_COLOR); |
| 1035 | } |
| 1036 | if (GetBitmap()) |
| 1037 | { |
| 1038 | bpp = 1; |
| 1039 | } |
| 1040 | |
| 1041 | |
| 1042 | GdkColormap *cmap = gtk_widget_get_default_colormap(); |
| 1043 | |
| 1044 | long pos = 0; |
| 1045 | for (int j = 0; j < GetHeight(); j++) |
| 1046 | { |
| 1047 | for (int i = 0; i < GetWidth(); i++) |
| 1048 | { |
| 1049 | wxUint32 pixel = gdk_image_get_pixel( gdk_image, i, j ); |
| 1050 | if (bpp == 1) |
| 1051 | { |
| 1052 | if (pixel == 0) |
| 1053 | { |
| 1054 | data[pos] = 0; |
| 1055 | data[pos+1] = 0; |
| 1056 | data[pos+2] = 0; |
| 1057 | } |
| 1058 | else |
| 1059 | { |
| 1060 | data[pos] = 255; |
| 1061 | data[pos+1] = 255; |
| 1062 | data[pos+2] = 255; |
| 1063 | } |
| 1064 | } |
| 1065 | else if (use_shift) |
| 1066 | { |
| 1067 | data[pos] = (pixel >> red_shift_right) << red_shift_left; |
| 1068 | data[pos+1] = (pixel >> green_shift_right) << green_shift_left; |
| 1069 | data[pos+2] = (pixel >> blue_shift_right) << blue_shift_left; |
| 1070 | } |
| 1071 | else if (cmap->colors) |
| 1072 | { |
| 1073 | data[pos] = cmap->colors[pixel].red >> 8; |
| 1074 | data[pos+1] = cmap->colors[pixel].green >> 8; |
| 1075 | data[pos+2] = cmap->colors[pixel].blue >> 8; |
| 1076 | } |
| 1077 | else |
| 1078 | { |
| 1079 | wxFAIL_MSG( wxT("Image conversion failed. Unknown visual type.") ); |
| 1080 | } |
| 1081 | |
| 1082 | if (gdk_image_mask) |
| 1083 | { |
| 1084 | int mask_pixel = gdk_image_get_pixel( gdk_image_mask, i, j ); |
| 1085 | if (mask_pixel == 0) |
| 1086 | { |
| 1087 | data[pos] = MASK_RED; |
| 1088 | data[pos+1] = MASK_GREEN; |
| 1089 | data[pos+2] = MASK_BLUE; |
| 1090 | } |
| 1091 | else if ( data[pos] == MASK_RED && |
| 1092 | data[pos+1] == MASK_GREEN && |
| 1093 | data[pos+2] == MASK_BLUE ) |
| 1094 | { |
| 1095 | data[pos+2] = MASK_BLUE_REPLACEMENT; |
| 1096 | } |
| 1097 | } |
| 1098 | |
| 1099 | pos += 3; |
| 1100 | } |
| 1101 | } |
| 1102 | |
| 1103 | gdk_image_destroy( gdk_image ); |
| 1104 | if (gdk_image_mask) gdk_image_destroy( gdk_image_mask ); |
| 1105 | |
| 1106 | return image; |
| 1107 | } |
| 1108 | |
| 1109 | wxBitmap::wxBitmap( const wxString &filename, wxBitmapType type ) |
| 1110 | { |
| 1111 | LoadFile( filename, type ); |
| 1112 | } |
| 1113 | |
| 1114 | wxBitmap::wxBitmap( const char bits[], int width, int height, int WXUNUSED(depth)) |
| 1115 | { |
| 1116 | if ( width > 0 && height > 0 ) |
| 1117 | { |
| 1118 | m_refData = new wxBitmapRefData(); |
| 1119 | |
| 1120 | M_BMPDATA->m_mask = (wxMask *) NULL; |
| 1121 | M_BMPDATA->m_bitmap = gdk_bitmap_create_from_data |
| 1122 | ( |
| 1123 | wxGetRootWindow()->window, |
| 1124 | (gchar *) bits, |
| 1125 | width, |
| 1126 | height |
| 1127 | ); |
| 1128 | M_BMPDATA->m_width = width; |
| 1129 | M_BMPDATA->m_height = height; |
| 1130 | M_BMPDATA->m_bpp = 1; |
| 1131 | |
| 1132 | wxASSERT_MSG( M_BMPDATA->m_bitmap, wxT("couldn't create bitmap") ); |
| 1133 | } |
| 1134 | } |
| 1135 | |
| 1136 | wxBitmap::~wxBitmap() |
| 1137 | { |
| 1138 | } |
| 1139 | |
| 1140 | bool wxBitmap::IsOk() const |
| 1141 | { |
| 1142 | return (m_refData != NULL) && |
| 1143 | (M_BMPDATA->m_bitmap || M_BMPDATA->m_pixmap); |
| 1144 | } |
| 1145 | |
| 1146 | int wxBitmap::GetHeight() const |
| 1147 | { |
| 1148 | wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") ); |
| 1149 | |
| 1150 | return M_BMPDATA->m_height; |
| 1151 | } |
| 1152 | |
| 1153 | int wxBitmap::GetWidth() const |
| 1154 | { |
| 1155 | wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") ); |
| 1156 | |
| 1157 | return M_BMPDATA->m_width; |
| 1158 | } |
| 1159 | |
| 1160 | int wxBitmap::GetDepth() const |
| 1161 | { |
| 1162 | wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") ); |
| 1163 | |
| 1164 | return M_BMPDATA->m_bpp; |
| 1165 | } |
| 1166 | |
| 1167 | wxMask *wxBitmap::GetMask() const |
| 1168 | { |
| 1169 | wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") ); |
| 1170 | |
| 1171 | return M_BMPDATA->m_mask; |
| 1172 | } |
| 1173 | |
| 1174 | void wxBitmap::SetMask( wxMask *mask ) |
| 1175 | { |
| 1176 | wxCHECK_RET( Ok(), wxT("invalid bitmap") ); |
| 1177 | |
| 1178 | AllocExclusive(); |
| 1179 | if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask; |
| 1180 | |
| 1181 | M_BMPDATA->m_mask = mask; |
| 1182 | } |
| 1183 | |
| 1184 | bool wxBitmap::CopyFromIcon(const wxIcon& icon) |
| 1185 | { |
| 1186 | *this = icon; |
| 1187 | return true; |
| 1188 | } |
| 1189 | |
| 1190 | wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const |
| 1191 | { |
| 1192 | wxCHECK_MSG( Ok() && |
| 1193 | (rect.x >= 0) && (rect.y >= 0) && |
| 1194 | (rect.x+rect.width <= M_BMPDATA->m_width) && (rect.y+rect.height <= M_BMPDATA->m_height), |
| 1195 | wxNullBitmap, wxT("invalid bitmap or bitmap region") ); |
| 1196 | |
| 1197 | wxBitmap ret( rect.width, rect.height, M_BMPDATA->m_bpp ); |
| 1198 | wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") ); |
| 1199 | |
| 1200 | if (ret.GetPixmap()) |
| 1201 | { |
| 1202 | GdkGC *gc = gdk_gc_new( ret.GetPixmap() ); |
| 1203 | gdk_draw_pixmap( ret.GetPixmap(), gc, GetPixmap(), rect.x, rect.y, 0, 0, rect.width, rect.height ); |
| 1204 | gdk_gc_destroy( gc ); |
| 1205 | } |
| 1206 | else |
| 1207 | { |
| 1208 | GdkGC *gc = gdk_gc_new( ret.GetBitmap() ); |
| 1209 | GdkColor col; |
| 1210 | col.pixel = 0xFFFFFF; |
| 1211 | gdk_gc_set_foreground( gc, &col ); |
| 1212 | col.pixel = 0; |
| 1213 | gdk_gc_set_background( gc, &col ); |
| 1214 | gdk_wx_draw_bitmap( ret.GetBitmap(), gc, GetBitmap(), rect.x, rect.y, 0, 0, rect.width, rect.height ); |
| 1215 | gdk_gc_destroy( gc ); |
| 1216 | } |
| 1217 | |
| 1218 | if (GetMask()) |
| 1219 | { |
| 1220 | wxMask *mask = new wxMask; |
| 1221 | mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, rect.width, rect.height, 1 ); |
| 1222 | |
| 1223 | GdkGC *gc = gdk_gc_new( mask->m_bitmap ); |
| 1224 | GdkColor col; |
| 1225 | col.pixel = 0xFFFFFF; |
| 1226 | gdk_gc_set_foreground( gc, &col ); |
| 1227 | col.pixel = 0; |
| 1228 | gdk_gc_set_background( gc, &col ); |
| 1229 | gdk_wx_draw_bitmap( mask->m_bitmap, gc, M_BMPDATA->m_mask->m_bitmap, rect.x, rect.y, 0, 0, rect.width, rect.height ); |
| 1230 | gdk_gc_destroy( gc ); |
| 1231 | |
| 1232 | ret.SetMask( mask ); |
| 1233 | } |
| 1234 | |
| 1235 | return ret; |
| 1236 | } |
| 1237 | |
| 1238 | bool wxBitmap::SaveFile( const wxString &name, wxBitmapType type, const wxPalette *WXUNUSED(palette) ) const |
| 1239 | { |
| 1240 | wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") ); |
| 1241 | |
| 1242 | // Try to save the bitmap via wxImage handlers: |
| 1243 | { |
| 1244 | wxImage image = ConvertToImage(); |
| 1245 | if (image.Ok()) return image.SaveFile( name, type ); |
| 1246 | } |
| 1247 | |
| 1248 | return false; |
| 1249 | } |
| 1250 | |
| 1251 | bool wxBitmap::LoadFile( const wxString &name, wxBitmapType type ) |
| 1252 | { |
| 1253 | UnRef(); |
| 1254 | |
| 1255 | if (!wxFileExists(name)) |
| 1256 | return false; |
| 1257 | |
| 1258 | GdkVisual *visual = wxTheApp->GetGdkVisual(); |
| 1259 | |
| 1260 | if (type == wxBITMAP_TYPE_XPM) |
| 1261 | { |
| 1262 | m_refData = new wxBitmapRefData(); |
| 1263 | |
| 1264 | GdkBitmap *mask = (GdkBitmap*) NULL; |
| 1265 | |
| 1266 | M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm |
| 1267 | ( |
| 1268 | wxGetRootWindow()->window, |
| 1269 | &mask, |
| 1270 | NULL, |
| 1271 | name.fn_str() |
| 1272 | ); |
| 1273 | |
| 1274 | if (mask) |
| 1275 | { |
| 1276 | M_BMPDATA->m_mask = new wxMask(); |
| 1277 | M_BMPDATA->m_mask->m_bitmap = mask; |
| 1278 | } |
| 1279 | |
| 1280 | gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) ); |
| 1281 | |
| 1282 | M_BMPDATA->m_bpp = visual->depth; |
| 1283 | } |
| 1284 | else // try if wxImage can load it |
| 1285 | { |
| 1286 | wxImage image; |
| 1287 | if ( !image.LoadFile( name, type ) || !image.Ok() ) |
| 1288 | return false; |
| 1289 | |
| 1290 | *this = wxBitmap(image); |
| 1291 | } |
| 1292 | |
| 1293 | return true; |
| 1294 | } |
| 1295 | |
| 1296 | #if wxUSE_PALETTE |
| 1297 | wxPalette *wxBitmap::GetPalette() const |
| 1298 | { |
| 1299 | if (!Ok()) |
| 1300 | return (wxPalette *) NULL; |
| 1301 | |
| 1302 | return M_BMPDATA->m_palette; |
| 1303 | } |
| 1304 | |
| 1305 | void wxBitmap::SetPalette(const wxPalette& WXUNUSED(palette)) |
| 1306 | { |
| 1307 | // TODO |
| 1308 | } |
| 1309 | #endif // wxUSE_PALETTE |
| 1310 | |
| 1311 | void wxBitmap::SetHeight( int height ) |
| 1312 | { |
| 1313 | AllocExclusive(); |
| 1314 | M_BMPDATA->m_height = height; |
| 1315 | } |
| 1316 | |
| 1317 | void wxBitmap::SetWidth( int width ) |
| 1318 | { |
| 1319 | AllocExclusive(); |
| 1320 | M_BMPDATA->m_width = width; |
| 1321 | } |
| 1322 | |
| 1323 | void wxBitmap::SetDepth( int depth ) |
| 1324 | { |
| 1325 | AllocExclusive(); |
| 1326 | M_BMPDATA->m_bpp = depth; |
| 1327 | } |
| 1328 | |
| 1329 | void wxBitmap::SetPixmap( GdkPixmap *pixmap ) |
| 1330 | { |
| 1331 | if (!m_refData) |
| 1332 | m_refData = new wxBitmapRefData(); |
| 1333 | |
| 1334 | M_BMPDATA->m_pixmap = pixmap; |
| 1335 | } |
| 1336 | |
| 1337 | void wxBitmap::SetBitmap( GdkPixmap *bitmap ) |
| 1338 | { |
| 1339 | if (!m_refData) |
| 1340 | m_refData = new wxBitmapRefData(); |
| 1341 | |
| 1342 | M_BMPDATA->m_bitmap = bitmap; |
| 1343 | } |
| 1344 | |
| 1345 | GdkPixmap *wxBitmap::GetPixmap() const |
| 1346 | { |
| 1347 | wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, wxT("invalid bitmap") ); |
| 1348 | |
| 1349 | return M_BMPDATA->m_pixmap; |
| 1350 | } |
| 1351 | |
| 1352 | bool wxBitmap::HasPixmap() const |
| 1353 | { |
| 1354 | wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") ); |
| 1355 | |
| 1356 | return M_BMPDATA->m_pixmap != NULL; |
| 1357 | } |
| 1358 | |
| 1359 | GdkBitmap *wxBitmap::GetBitmap() const |
| 1360 | { |
| 1361 | wxCHECK_MSG( Ok(), (GdkBitmap *) NULL, wxT("invalid bitmap") ); |
| 1362 | |
| 1363 | return M_BMPDATA->m_bitmap; |
| 1364 | } |
| 1365 | |
| 1366 | void *wxBitmap::GetRawData(wxPixelDataBase& data, int bpp) |
| 1367 | { |
| 1368 | return NULL; |
| 1369 | } |
| 1370 | |
| 1371 | void wxBitmap::UngetRawData(wxPixelDataBase& WXUNUSED(data)) |
| 1372 | { |
| 1373 | } |
| 1374 | |
| 1375 | bool wxBitmap::HasAlpha() const |
| 1376 | { |
| 1377 | return false; |
| 1378 | } |
| 1379 | |
| 1380 | //----------------------------------------------------------------------------- |
| 1381 | // wxBitmapHandler |
| 1382 | //----------------------------------------------------------------------------- |
| 1383 | |
| 1384 | IMPLEMENT_ABSTRACT_CLASS(wxBitmapHandler, wxBitmapHandlerBase) |
| 1385 | |
| 1386 | /* static */ void wxBitmap::InitStandardHandlers() |
| 1387 | { |
| 1388 | // TODO: Insert handler based on GdkPixbufs handler later |
| 1389 | } |