| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: 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 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) |
| 11 | #pragma implementation "bitmap.h" |
| 12 | #endif |
| 13 | |
| 14 | // For compilers that support precompilation, includes "wx.h". |
| 15 | #include "wx/wxprec.h" |
| 16 | |
| 17 | #include "wx/defs.h" |
| 18 | |
| 19 | #include "wx/bitmap.h" |
| 20 | #include "wx/palette.h" |
| 21 | #include "wx/icon.h" |
| 22 | #include "wx/filefn.h" |
| 23 | #include "wx/image.h" |
| 24 | #include "wx/dcmemory.h" |
| 25 | #include "wx/app.h" |
| 26 | #include "wx/rawbmp.h" |
| 27 | |
| 28 | #ifdef __WXGTK20__ |
| 29 | // need this to get gdk_image_new_bitmap() |
| 30 | #define GDK_ENABLE_BROKEN |
| 31 | #endif |
| 32 | |
| 33 | #include <gdk/gdk.h> |
| 34 | #include <gtk/gtk.h> |
| 35 | #include <gdk/gdkx.h> |
| 36 | |
| 37 | #ifdef __WXGTK20__ |
| 38 | #include <gdk/gdkimage.h> |
| 39 | #else // GTK+ 1.2 |
| 40 | #include <gdk/gdkrgb.h> |
| 41 | #endif // GTK+ 2.0/1.2 |
| 42 | |
| 43 | #include "wx/math.h" |
| 44 | |
| 45 | extern void gdk_wx_draw_bitmap (GdkDrawable *drawable, |
| 46 | GdkGC *gc, |
| 47 | GdkDrawable *src, |
| 48 | gint xsrc, |
| 49 | gint ysrc, |
| 50 | gint xdest, |
| 51 | gint ydest, |
| 52 | gint width, |
| 53 | gint height); |
| 54 | |
| 55 | //----------------------------------------------------------------------------- |
| 56 | // data |
| 57 | //----------------------------------------------------------------------------- |
| 58 | |
| 59 | extern GtkWidget *wxGetRootWindow(); |
| 60 | |
| 61 | //----------------------------------------------------------------------------- |
| 62 | // wxMask |
| 63 | //----------------------------------------------------------------------------- |
| 64 | |
| 65 | IMPLEMENT_DYNAMIC_CLASS(wxMask,wxObject) |
| 66 | |
| 67 | wxMask::wxMask() |
| 68 | { |
| 69 | m_bitmap = (GdkBitmap *) NULL; |
| 70 | } |
| 71 | |
| 72 | wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour ) |
| 73 | { |
| 74 | m_bitmap = (GdkBitmap *) NULL; |
| 75 | Create( bitmap, colour ); |
| 76 | } |
| 77 | |
| 78 | wxMask::wxMask( const wxBitmap& bitmap, int paletteIndex ) |
| 79 | { |
| 80 | m_bitmap = (GdkBitmap *) NULL; |
| 81 | Create( bitmap, paletteIndex ); |
| 82 | } |
| 83 | |
| 84 | wxMask::wxMask( const wxBitmap& bitmap ) |
| 85 | { |
| 86 | m_bitmap = (GdkBitmap *) NULL; |
| 87 | Create( bitmap ); |
| 88 | } |
| 89 | |
| 90 | wxMask::~wxMask() |
| 91 | { |
| 92 | if (m_bitmap) |
| 93 | gdk_bitmap_unref( m_bitmap ); |
| 94 | } |
| 95 | |
| 96 | bool wxMask::Create( const wxBitmap& bitmap, |
| 97 | const wxColour& colour ) |
| 98 | { |
| 99 | if (m_bitmap) |
| 100 | { |
| 101 | gdk_bitmap_unref( m_bitmap ); |
| 102 | m_bitmap = (GdkBitmap*) NULL; |
| 103 | } |
| 104 | |
| 105 | wxImage image = bitmap.ConvertToImage(); |
| 106 | if (!image.Ok()) return FALSE; |
| 107 | |
| 108 | m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, image.GetWidth(), image.GetHeight(), 1 ); |
| 109 | GdkGC *gc = gdk_gc_new( m_bitmap ); |
| 110 | |
| 111 | GdkColor color; |
| 112 | color.red = 65000; |
| 113 | color.green = 65000; |
| 114 | color.blue = 65000; |
| 115 | color.pixel = 1; |
| 116 | gdk_gc_set_foreground( gc, &color ); |
| 117 | gdk_gc_set_fill( gc, GDK_SOLID ); |
| 118 | gdk_draw_rectangle( m_bitmap, gc, TRUE, 0, 0, image.GetWidth(), image.GetHeight() ); |
| 119 | |
| 120 | unsigned char *data = image.GetData(); |
| 121 | int index = 0; |
| 122 | |
| 123 | unsigned char red = colour.Red(); |
| 124 | unsigned char green = colour.Green(); |
| 125 | unsigned char blue = colour.Blue(); |
| 126 | |
| 127 | GdkVisual *visual = wxTheApp->GetGdkVisual(); |
| 128 | |
| 129 | int bpp = visual->depth; |
| 130 | if ((bpp == 16) && (visual->red_mask != 0xf800)) |
| 131 | bpp = 15; |
| 132 | if (bpp == 15) |
| 133 | { |
| 134 | red = red & 0xf8; |
| 135 | green = green & 0xf8; |
| 136 | blue = blue & 0xf8; |
| 137 | } |
| 138 | else if (bpp == 16) |
| 139 | { |
| 140 | red = red & 0xf8; |
| 141 | green = green & 0xfc; |
| 142 | blue = blue & 0xf8; |
| 143 | } |
| 144 | else if (bpp == 12) |
| 145 | { |
| 146 | red = red & 0xf0; |
| 147 | green = green & 0xf0; |
| 148 | blue = blue & 0xf0; |
| 149 | } |
| 150 | |
| 151 | color.red = 0; |
| 152 | color.green = 0; |
| 153 | color.blue = 0; |
| 154 | color.pixel = 0; |
| 155 | gdk_gc_set_foreground( gc, &color ); |
| 156 | |
| 157 | for (int j = 0; j < image.GetHeight(); j++) |
| 158 | { |
| 159 | int start_x = -1; |
| 160 | int i; |
| 161 | for (i = 0; i < image.GetWidth(); i++) |
| 162 | { |
| 163 | if ((data[index] == red) && |
| 164 | (data[index+1] == green) && |
| 165 | (data[index+2] == blue)) |
| 166 | { |
| 167 | if (start_x == -1) |
| 168 | start_x = i; |
| 169 | } |
| 170 | else |
| 171 | { |
| 172 | if (start_x != -1) |
| 173 | { |
| 174 | gdk_draw_line( m_bitmap, gc, start_x, j, i-1, j ); |
| 175 | start_x = -1; |
| 176 | } |
| 177 | } |
| 178 | index += 3; |
| 179 | } |
| 180 | if (start_x != -1) |
| 181 | gdk_draw_line( m_bitmap, gc, start_x, j, i, j ); |
| 182 | } |
| 183 | |
| 184 | gdk_gc_unref( gc ); |
| 185 | |
| 186 | return TRUE; |
| 187 | } |
| 188 | |
| 189 | bool wxMask::Create( const wxBitmap& bitmap, int paletteIndex ) |
| 190 | { |
| 191 | unsigned char r,g,b; |
| 192 | wxPalette *pal = bitmap.GetPalette(); |
| 193 | |
| 194 | wxCHECK_MSG( pal, FALSE, wxT("Cannot create mask from bitmap without palette") ); |
| 195 | |
| 196 | pal->GetRGB(paletteIndex, &r, &g, &b); |
| 197 | |
| 198 | return Create(bitmap, wxColour(r, g, b)); |
| 199 | } |
| 200 | |
| 201 | bool wxMask::Create( const wxBitmap& bitmap ) |
| 202 | { |
| 203 | if (m_bitmap) |
| 204 | { |
| 205 | gdk_bitmap_unref( m_bitmap ); |
| 206 | m_bitmap = (GdkBitmap*) NULL; |
| 207 | } |
| 208 | |
| 209 | if (!bitmap.Ok()) return FALSE; |
| 210 | |
| 211 | wxCHECK_MSG( bitmap.GetBitmap(), FALSE, wxT("Cannot create mask from colour bitmap") ); |
| 212 | |
| 213 | m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, bitmap.GetWidth(), bitmap.GetHeight(), 1 ); |
| 214 | |
| 215 | if (!m_bitmap) return FALSE; |
| 216 | |
| 217 | GdkGC *gc = gdk_gc_new( m_bitmap ); |
| 218 | |
| 219 | gdk_wx_draw_bitmap( m_bitmap, gc, bitmap.GetBitmap(), 0, 0, 0, 0, bitmap.GetWidth(), bitmap.GetHeight() ); |
| 220 | |
| 221 | gdk_gc_unref( gc ); |
| 222 | |
| 223 | return TRUE; |
| 224 | } |
| 225 | |
| 226 | GdkBitmap *wxMask::GetBitmap() const |
| 227 | { |
| 228 | return m_bitmap; |
| 229 | } |
| 230 | |
| 231 | //----------------------------------------------------------------------------- |
| 232 | // wxBitmap |
| 233 | //----------------------------------------------------------------------------- |
| 234 | |
| 235 | class wxBitmapRefData: public wxObjectRefData |
| 236 | { |
| 237 | public: |
| 238 | wxBitmapRefData(); |
| 239 | ~wxBitmapRefData(); |
| 240 | |
| 241 | GdkPixmap *m_pixmap; |
| 242 | GdkBitmap *m_bitmap; |
| 243 | #ifdef __WXGTK20__ |
| 244 | GdkPixbuf *m_pixbuf; |
| 245 | #endif |
| 246 | wxMask *m_mask; |
| 247 | int m_width; |
| 248 | int m_height; |
| 249 | int m_bpp; |
| 250 | wxPalette *m_palette; |
| 251 | }; |
| 252 | |
| 253 | wxBitmapRefData::wxBitmapRefData() |
| 254 | { |
| 255 | m_pixmap = (GdkPixmap *) NULL; |
| 256 | m_bitmap = (GdkBitmap *) NULL; |
| 257 | #ifdef __WXGTK20__ |
| 258 | m_pixbuf = (GdkPixbuf *) NULL; |
| 259 | #endif |
| 260 | m_mask = (wxMask *) NULL; |
| 261 | m_width = 0; |
| 262 | m_height = 0; |
| 263 | m_bpp = 0; |
| 264 | m_palette = (wxPalette *) NULL; |
| 265 | } |
| 266 | |
| 267 | wxBitmapRefData::~wxBitmapRefData() |
| 268 | { |
| 269 | if (m_pixmap) |
| 270 | gdk_pixmap_unref( m_pixmap ); |
| 271 | if (m_bitmap) |
| 272 | gdk_bitmap_unref( m_bitmap ); |
| 273 | #ifdef __WXGTK20__ |
| 274 | if (m_pixbuf) |
| 275 | gdk_pixbuf_unref( m_pixbuf ); |
| 276 | #endif |
| 277 | delete m_mask; |
| 278 | delete m_palette; |
| 279 | } |
| 280 | |
| 281 | //----------------------------------------------------------------------------- |
| 282 | |
| 283 | #define M_BMPDATA ((wxBitmapRefData *)m_refData) |
| 284 | |
| 285 | IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject) |
| 286 | |
| 287 | wxBitmap::wxBitmap() |
| 288 | { |
| 289 | } |
| 290 | |
| 291 | wxBitmap::wxBitmap( int width, int height, int depth ) |
| 292 | { |
| 293 | Create( width, height, depth ); |
| 294 | } |
| 295 | |
| 296 | bool wxBitmap::Create( int width, int height, int depth ) |
| 297 | { |
| 298 | UnRef(); |
| 299 | |
| 300 | if ( width <= 0 || height <= 0 ) |
| 301 | { |
| 302 | return false; |
| 303 | } |
| 304 | |
| 305 | GdkVisual *visual = wxTheApp->GetGdkVisual(); |
| 306 | |
| 307 | if (depth == -1) |
| 308 | depth = visual->depth; |
| 309 | |
| 310 | wxCHECK_MSG( (depth == visual->depth) || (depth == 1) || (depth == 32), FALSE, |
| 311 | wxT("invalid bitmap depth") ) |
| 312 | |
| 313 | m_refData = new wxBitmapRefData(); |
| 314 | M_BMPDATA->m_mask = (wxMask *) NULL; |
| 315 | M_BMPDATA->m_width = width; |
| 316 | M_BMPDATA->m_height = height; |
| 317 | if (depth == 1) |
| 318 | { |
| 319 | M_BMPDATA->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ); |
| 320 | M_BMPDATA->m_bpp = 1; |
| 321 | } |
| 322 | #ifdef __WXGTK20__ |
| 323 | else if (depth == 32) |
| 324 | { |
| 325 | M_BMPDATA->m_pixbuf = gdk_pixbuf_new( GDK_COLORSPACE_RGB, true, |
| 326 | 8, width, height); |
| 327 | M_BMPDATA->m_bpp = 32; |
| 328 | } |
| 329 | #endif |
| 330 | else |
| 331 | { |
| 332 | M_BMPDATA->m_pixmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, depth ); |
| 333 | M_BMPDATA->m_bpp = visual->depth; |
| 334 | } |
| 335 | |
| 336 | return Ok(); |
| 337 | } |
| 338 | |
| 339 | bool wxBitmap::CreateFromXpm( const char **bits ) |
| 340 | { |
| 341 | UnRef(); |
| 342 | |
| 343 | wxCHECK_MSG( bits != NULL, FALSE, wxT("invalid bitmap data") ) |
| 344 | |
| 345 | GdkVisual *visual = wxTheApp->GetGdkVisual(); |
| 346 | |
| 347 | m_refData = new wxBitmapRefData(); |
| 348 | |
| 349 | GdkBitmap *mask = (GdkBitmap*) NULL; |
| 350 | |
| 351 | M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( wxGetRootWindow()->window, &mask, NULL, (gchar **) bits ); |
| 352 | |
| 353 | wxCHECK_MSG( M_BMPDATA->m_pixmap, FALSE, wxT("couldn't create pixmap") ); |
| 354 | |
| 355 | if (mask) |
| 356 | { |
| 357 | M_BMPDATA->m_mask = new wxMask(); |
| 358 | M_BMPDATA->m_mask->m_bitmap = mask; |
| 359 | } |
| 360 | |
| 361 | gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) ); |
| 362 | |
| 363 | M_BMPDATA->m_bpp = visual->depth; // Can we get a different depth from create_from_xpm_d() ? |
| 364 | |
| 365 | return TRUE; |
| 366 | } |
| 367 | |
| 368 | wxBitmap wxBitmap::Rescale( int clipx, int clipy, int clipwidth, int clipheight, int newx, int newy ) |
| 369 | { |
| 370 | wxCHECK_MSG( Ok(), wxNullBitmap, wxT("invalid bitmap") ); |
| 371 | |
| 372 | if (newy==M_BMPDATA->m_width && newy==M_BMPDATA->m_height) |
| 373 | return *this; |
| 374 | |
| 375 | int width = wxMax(newx, 1); |
| 376 | int height = wxMax(newy, 1); |
| 377 | width = wxMin(width, clipwidth); |
| 378 | height = wxMin(height, clipheight); |
| 379 | |
| 380 | wxBitmap bmp; |
| 381 | |
| 382 | #ifdef __WXGTK20__ |
| 383 | if (HasPixbuf()) |
| 384 | { |
| 385 | bmp.SetWidth(width); |
| 386 | bmp.SetHeight(height); |
| 387 | bmp.SetDepth(GetDepth()); |
| 388 | bmp.SetPixbuf(gdk_pixbuf_new(GDK_COLORSPACE_RGB, |
| 389 | gdk_pixbuf_get_has_alpha(GetPixbuf()), |
| 390 | 8, width, height)); |
| 391 | gdk_pixbuf_scale(GetPixbuf(), bmp.GetPixbuf(), |
| 392 | 0, 0, width, height, |
| 393 | clipx, clipy, |
| 394 | (double)newx/GetWidth(), (double)newy/GetHeight(), |
| 395 | GDK_INTERP_BILINEAR); |
| 396 | } |
| 397 | else |
| 398 | #endif // __WXGTK20__ |
| 399 | { |
| 400 | GdkImage *img = (GdkImage*) NULL; |
| 401 | if (GetPixmap()) |
| 402 | img = gdk_image_get( GetPixmap(), 0, 0, GetWidth(), GetHeight() ); |
| 403 | else if (GetBitmap()) |
| 404 | img = gdk_image_get( GetBitmap(), 0, 0, GetWidth(), GetHeight() ); |
| 405 | else |
| 406 | wxFAIL_MSG( wxT("Ill-formed bitmap") ); |
| 407 | |
| 408 | wxCHECK_MSG( img, wxNullBitmap, wxT("couldn't create image") ); |
| 409 | |
| 410 | int bpp = -1; |
| 411 | |
| 412 | |
| 413 | GdkGC *gc = NULL; |
| 414 | GdkPixmap *dstpix = NULL; |
| 415 | if (GetPixmap()) |
| 416 | { |
| 417 | GdkVisual *visual = gdk_window_get_visual( GetPixmap() ); |
| 418 | if (visual == NULL) |
| 419 | visual = wxTheApp->GetGdkVisual(); |
| 420 | |
| 421 | bpp = visual->depth; |
| 422 | bmp = wxBitmap(width,height,bpp); |
| 423 | dstpix = bmp.GetPixmap(); |
| 424 | gc = gdk_gc_new( dstpix ); |
| 425 | } |
| 426 | |
| 427 | char *dst = NULL; |
| 428 | long dstbyteperline = 0; |
| 429 | |
| 430 | if (GetBitmap()) |
| 431 | { |
| 432 | bpp = 1; |
| 433 | dstbyteperline = width/8*M_BMPDATA->m_bpp; |
| 434 | if (width*M_BMPDATA->m_bpp % 8 != 0) |
| 435 | dstbyteperline++; |
| 436 | dst = (char*) malloc(dstbyteperline*height); |
| 437 | } |
| 438 | |
| 439 | // be careful to use the right scaling factor |
| 440 | float scx = (float)M_BMPDATA->m_width/(float)newx; |
| 441 | float scy = (float)M_BMPDATA->m_height/(float)newy; |
| 442 | // prepare accel-tables |
| 443 | int *tablex = (int *)calloc(width,sizeof(int)); |
| 444 | int *tabley = (int *)calloc(height,sizeof(int)); |
| 445 | |
| 446 | // accel table filled with clipped values |
| 447 | for (int x = 0; x < width; x++) |
| 448 | tablex[x] = (int) (scx * (x+clipx)); |
| 449 | for (int y = 0; y < height; y++) |
| 450 | tabley[y] = (int) (scy * (y+clipy)); |
| 451 | |
| 452 | // Main rescaling routine starts here |
| 453 | for (int h = 0; h < height; h++) |
| 454 | { |
| 455 | char outbyte = 0; |
| 456 | int old_x = -1; |
| 457 | guint32 old_pixval = 0; |
| 458 | |
| 459 | for (int w = 0; w < width; w++) |
| 460 | { |
| 461 | guint32 pixval; |
| 462 | int x = tablex[w]; |
| 463 | if (x == old_x) |
| 464 | pixval = old_pixval; |
| 465 | else |
| 466 | { |
| 467 | pixval = gdk_image_get_pixel( img, x, tabley[h] ); |
| 468 | old_pixval = pixval; |
| 469 | old_x = x; |
| 470 | } |
| 471 | |
| 472 | if (bpp == 1) |
| 473 | { |
| 474 | if (!pixval) |
| 475 | { |
| 476 | char bit=1; |
| 477 | char shift = bit << w % 8; |
| 478 | outbyte |= shift; |
| 479 | } |
| 480 | |
| 481 | if ((w+1)%8==0) |
| 482 | { |
| 483 | dst[h*dstbyteperline+w/8] = outbyte; |
| 484 | outbyte = 0; |
| 485 | } |
| 486 | } |
| 487 | else |
| 488 | { |
| 489 | GdkColor col; |
| 490 | col.pixel = pixval; |
| 491 | gdk_gc_set_foreground( gc, &col ); |
| 492 | gdk_draw_point( dstpix, gc, w, h); |
| 493 | } |
| 494 | } |
| 495 | |
| 496 | // do not forget the last byte |
| 497 | if ((bpp == 1) && (width % 8 != 0)) |
| 498 | dst[h*dstbyteperline+width/8] = outbyte; |
| 499 | } |
| 500 | |
| 501 | gdk_image_destroy( img ); |
| 502 | if (gc) gdk_gc_unref( gc ); |
| 503 | |
| 504 | if (bpp == 1) |
| 505 | { |
| 506 | bmp = wxBitmap( (const char *)dst, width, height, 1 ); |
| 507 | free( dst ); |
| 508 | } |
| 509 | |
| 510 | if (GetMask()) |
| 511 | { |
| 512 | dstbyteperline = width/8; |
| 513 | if (width % 8 != 0) |
| 514 | dstbyteperline++; |
| 515 | dst = (char*) malloc(dstbyteperline*height); |
| 516 | img = gdk_image_get( GetMask()->GetBitmap(), 0, 0, GetWidth(), GetHeight() ); |
| 517 | |
| 518 | for (int h = 0; h < height; h++) |
| 519 | { |
| 520 | char outbyte = 0; |
| 521 | int old_x = -1; |
| 522 | guint32 old_pixval = 0; |
| 523 | |
| 524 | for (int w = 0; w < width; w++) |
| 525 | { |
| 526 | guint32 pixval; |
| 527 | int x = tablex[w]; |
| 528 | if (x == old_x) |
| 529 | pixval = old_pixval; |
| 530 | else |
| 531 | { |
| 532 | pixval = gdk_image_get_pixel( img, x, tabley[h] ); |
| 533 | old_pixval = pixval; |
| 534 | old_x = x; |
| 535 | } |
| 536 | |
| 537 | if (pixval) |
| 538 | { |
| 539 | char bit=1; |
| 540 | char shift = bit << w % 8; |
| 541 | outbyte |= shift; |
| 542 | } |
| 543 | |
| 544 | if ((w+1)%8 == 0) |
| 545 | { |
| 546 | dst[h*dstbyteperline+w/8] = outbyte; |
| 547 | outbyte = 0; |
| 548 | } |
| 549 | } |
| 550 | |
| 551 | // do not forget the last byte |
| 552 | if (width % 8 != 0) |
| 553 | dst[h*dstbyteperline+width/8] = outbyte; |
| 554 | } |
| 555 | wxMask* mask = new wxMask; |
| 556 | mask->m_bitmap = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar *) dst, width, height ); |
| 557 | bmp.SetMask(mask); |
| 558 | |
| 559 | free( dst ); |
| 560 | gdk_image_destroy( img ); |
| 561 | } |
| 562 | |
| 563 | free( tablex ); |
| 564 | free( tabley ); |
| 565 | } |
| 566 | |
| 567 | return bmp; |
| 568 | } |
| 569 | |
| 570 | bool wxBitmap::CreateFromImage(const wxImage& image, int depth) |
| 571 | { |
| 572 | UnRef(); |
| 573 | |
| 574 | wxCHECK_MSG( image.Ok(), FALSE, wxT("invalid image") ) |
| 575 | wxCHECK_MSG( depth == -1 || depth == 1, FALSE, wxT("invalid bitmap depth") ) |
| 576 | |
| 577 | if (image.GetWidth() <= 0 || image.GetHeight() <= 0) |
| 578 | return false; |
| 579 | |
| 580 | m_refData = new wxBitmapRefData(); |
| 581 | |
| 582 | if (depth == 1) |
| 583 | { |
| 584 | return CreateFromImageAsBitmap(image); |
| 585 | } |
| 586 | else |
| 587 | { |
| 588 | #ifdef __WXGTK20__ |
| 589 | if (image.HasAlpha()) |
| 590 | return CreateFromImageAsPixbuf(image); |
| 591 | #endif |
| 592 | return CreateFromImageAsPixmap(image); |
| 593 | } |
| 594 | } |
| 595 | |
| 596 | // conversion to mono bitmap: |
| 597 | bool wxBitmap::CreateFromImageAsBitmap(const wxImage& img) |
| 598 | { |
| 599 | // convert alpha channel to mask, if it is present: |
| 600 | wxImage image(img); |
| 601 | image.ConvertAlphaToMask(); |
| 602 | |
| 603 | int width = image.GetWidth(); |
| 604 | int height = image.GetHeight(); |
| 605 | |
| 606 | SetHeight( height ); |
| 607 | SetWidth( width ); |
| 608 | |
| 609 | SetBitmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ) ); |
| 610 | |
| 611 | SetDepth( 1 ); |
| 612 | |
| 613 | GdkVisual *visual = wxTheApp->GetGdkVisual(); |
| 614 | |
| 615 | // Create picture image |
| 616 | |
| 617 | unsigned char *data_data = (unsigned char*)malloc( ((width >> 3)+8) * height ); |
| 618 | |
| 619 | GdkImage *data_image = |
| 620 | gdk_image_new_bitmap( visual, data_data, width, height ); |
| 621 | |
| 622 | // Create mask image |
| 623 | |
| 624 | GdkImage *mask_image = (GdkImage*) NULL; |
| 625 | |
| 626 | if (image.HasMask()) |
| 627 | { |
| 628 | unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height ); |
| 629 | |
| 630 | mask_image = gdk_image_new_bitmap( visual, mask_data, width, height ); |
| 631 | |
| 632 | wxMask *mask = new wxMask(); |
| 633 | mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ); |
| 634 | |
| 635 | SetMask( mask ); |
| 636 | } |
| 637 | |
| 638 | int r_mask = image.GetMaskRed(); |
| 639 | int g_mask = image.GetMaskGreen(); |
| 640 | int b_mask = image.GetMaskBlue(); |
| 641 | |
| 642 | unsigned char* data = image.GetData(); |
| 643 | |
| 644 | int index = 0; |
| 645 | for (int y = 0; y < height; y++) |
| 646 | { |
| 647 | for (int x = 0; x < width; x++) |
| 648 | { |
| 649 | int r = data[index]; |
| 650 | index++; |
| 651 | int g = data[index]; |
| 652 | index++; |
| 653 | int b = data[index]; |
| 654 | index++; |
| 655 | |
| 656 | if (image.HasMask()) |
| 657 | { |
| 658 | if ((r == r_mask) && (b == b_mask) && (g == g_mask)) |
| 659 | gdk_image_put_pixel( mask_image, x, y, 1 ); |
| 660 | else |
| 661 | gdk_image_put_pixel( mask_image, x, y, 0 ); |
| 662 | } |
| 663 | |
| 664 | if ((r == 255) && (b == 255) && (g == 255)) |
| 665 | gdk_image_put_pixel( data_image, x, y, 1 ); |
| 666 | else |
| 667 | gdk_image_put_pixel( data_image, x, y, 0 ); |
| 668 | |
| 669 | } // for |
| 670 | } // for |
| 671 | |
| 672 | // Blit picture |
| 673 | |
| 674 | GdkGC *data_gc = gdk_gc_new( GetBitmap() ); |
| 675 | |
| 676 | gdk_draw_image( GetBitmap(), data_gc, data_image, 0, 0, 0, 0, width, height ); |
| 677 | |
| 678 | gdk_image_destroy( data_image ); |
| 679 | gdk_gc_unref( data_gc ); |
| 680 | |
| 681 | // Blit mask |
| 682 | |
| 683 | if (image.HasMask()) |
| 684 | { |
| 685 | GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() ); |
| 686 | |
| 687 | gdk_draw_image( GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height ); |
| 688 | |
| 689 | gdk_image_destroy( mask_image ); |
| 690 | gdk_gc_unref( mask_gc ); |
| 691 | } |
| 692 | |
| 693 | return true; |
| 694 | } |
| 695 | |
| 696 | // conversion to colour bitmap: |
| 697 | bool wxBitmap::CreateFromImageAsPixmap(const wxImage& img) |
| 698 | { |
| 699 | // convert alpha channel to mask, if it is present: |
| 700 | wxImage image(img); |
| 701 | image.ConvertAlphaToMask(); |
| 702 | |
| 703 | int width = image.GetWidth(); |
| 704 | int height = image.GetHeight(); |
| 705 | |
| 706 | SetHeight( height ); |
| 707 | SetWidth( width ); |
| 708 | |
| 709 | SetPixmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, -1 ) ); |
| 710 | |
| 711 | GdkVisual *visual = wxTheApp->GetGdkVisual(); |
| 712 | |
| 713 | int bpp = visual->depth; |
| 714 | |
| 715 | SetDepth( bpp ); |
| 716 | |
| 717 | if ((bpp == 16) && (visual->red_mask != 0xf800)) |
| 718 | bpp = 15; |
| 719 | else if (bpp < 8) |
| 720 | bpp = 8; |
| 721 | |
| 722 | // We handle 8-bit bitmaps ourselves using the colour cube, 12-bit |
| 723 | // visuals are not supported by GDK so we do these ourselves, too. |
| 724 | // 15-bit and 16-bit should actually work and 24-bit certainly does. |
| 725 | #ifdef __sgi |
| 726 | if (!image.HasMask() && (bpp > 16)) |
| 727 | #else |
| 728 | if (!image.HasMask() && (bpp > 12)) |
| 729 | #endif |
| 730 | { |
| 731 | static bool s_hasInitialized = FALSE; |
| 732 | |
| 733 | if (!s_hasInitialized) |
| 734 | { |
| 735 | gdk_rgb_init(); |
| 736 | s_hasInitialized = TRUE; |
| 737 | } |
| 738 | |
| 739 | GdkGC *gc = gdk_gc_new( GetPixmap() ); |
| 740 | |
| 741 | gdk_draw_rgb_image( GetPixmap(), |
| 742 | gc, |
| 743 | 0, 0, |
| 744 | width, height, |
| 745 | GDK_RGB_DITHER_NONE, |
| 746 | image.GetData(), |
| 747 | width*3 ); |
| 748 | |
| 749 | gdk_gc_unref( gc ); |
| 750 | return TRUE; |
| 751 | } |
| 752 | |
| 753 | // Create picture image |
| 754 | |
| 755 | GdkImage *data_image = |
| 756 | gdk_image_new( GDK_IMAGE_FASTEST, visual, width, height ); |
| 757 | |
| 758 | // Create mask image |
| 759 | |
| 760 | GdkImage *mask_image = (GdkImage*) NULL; |
| 761 | |
| 762 | if (image.HasMask()) |
| 763 | { |
| 764 | unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height ); |
| 765 | |
| 766 | mask_image = gdk_image_new_bitmap( visual, mask_data, width, height ); |
| 767 | |
| 768 | wxMask *mask = new wxMask(); |
| 769 | mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ); |
| 770 | |
| 771 | SetMask( mask ); |
| 772 | } |
| 773 | |
| 774 | // Render |
| 775 | |
| 776 | enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR }; |
| 777 | byte_order b_o = RGB; |
| 778 | |
| 779 | if (bpp > 8) |
| 780 | { |
| 781 | if ((visual->red_mask > visual->green_mask) && (visual->green_mask > visual->blue_mask)) b_o = RGB; |
| 782 | else if ((visual->red_mask > visual->blue_mask) && (visual->blue_mask > visual->green_mask)) b_o = RBG; |
| 783 | else if ((visual->blue_mask > visual->red_mask) && (visual->red_mask > visual->green_mask)) b_o = BRG; |
| 784 | else if ((visual->blue_mask > visual->green_mask) && (visual->green_mask > visual->red_mask)) b_o = BGR; |
| 785 | else if ((visual->green_mask > visual->red_mask) && (visual->red_mask > visual->blue_mask)) b_o = GRB; |
| 786 | else if ((visual->green_mask > visual->blue_mask) && (visual->blue_mask > visual->red_mask)) b_o = GBR; |
| 787 | } |
| 788 | |
| 789 | int r_mask = image.GetMaskRed(); |
| 790 | int g_mask = image.GetMaskGreen(); |
| 791 | int b_mask = image.GetMaskBlue(); |
| 792 | |
| 793 | unsigned char* data = image.GetData(); |
| 794 | |
| 795 | int index = 0; |
| 796 | for (int y = 0; y < height; y++) |
| 797 | { |
| 798 | for (int x = 0; x < width; x++) |
| 799 | { |
| 800 | int r = data[index]; |
| 801 | index++; |
| 802 | int g = data[index]; |
| 803 | index++; |
| 804 | int b = data[index]; |
| 805 | index++; |
| 806 | |
| 807 | if (image.HasMask()) |
| 808 | { |
| 809 | if ((r == r_mask) && (b == b_mask) && (g == g_mask)) |
| 810 | gdk_image_put_pixel( mask_image, x, y, 1 ); |
| 811 | else |
| 812 | gdk_image_put_pixel( mask_image, x, y, 0 ); |
| 813 | } |
| 814 | |
| 815 | switch (bpp) |
| 816 | { |
| 817 | case 8: |
| 818 | { |
| 819 | int pixel = -1; |
| 820 | if (wxTheApp->m_colorCube) |
| 821 | { |
| 822 | pixel = wxTheApp->m_colorCube[ ((r & 0xf8) << 7) + ((g & 0xf8) << 2) + ((b & 0xf8) >> 3) ]; |
| 823 | } |
| 824 | else |
| 825 | { |
| 826 | GdkColormap *cmap = gtk_widget_get_default_colormap(); |
| 827 | GdkColor *colors = cmap->colors; |
| 828 | int max = 3 * (65536); |
| 829 | |
| 830 | for (int i = 0; i < cmap->size; i++) |
| 831 | { |
| 832 | int rdiff = (r << 8) - colors[i].red; |
| 833 | int gdiff = (g << 8) - colors[i].green; |
| 834 | int bdiff = (b << 8) - colors[i].blue; |
| 835 | int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff); |
| 836 | if (sum < max) { pixel = i; max = sum; } |
| 837 | } |
| 838 | } |
| 839 | |
| 840 | gdk_image_put_pixel( data_image, x, y, pixel ); |
| 841 | |
| 842 | break; |
| 843 | } |
| 844 | case 12: // SGI only |
| 845 | { |
| 846 | guint32 pixel = 0; |
| 847 | switch (b_o) |
| 848 | { |
| 849 | case RGB: pixel = ((r & 0xf0) << 4) | (g & 0xf0) | ((b & 0xf0) >> 4); break; |
| 850 | case RBG: pixel = ((r & 0xf0) << 4) | (b & 0xf0) | ((g & 0xf0) >> 4); break; |
| 851 | case GRB: pixel = ((g & 0xf0) << 4) | (r & 0xf0) | ((b & 0xf0) >> 4); break; |
| 852 | case GBR: pixel = ((g & 0xf0) << 4) | (b & 0xf0) | ((r & 0xf0) >> 4); break; |
| 853 | case BRG: pixel = ((b & 0xf0) << 4) | (r & 0xf0) | ((g & 0xf0) >> 4); break; |
| 854 | case BGR: pixel = ((b & 0xf0) << 4) | (g & 0xf0) | ((r & 0xf0) >> 4); break; |
| 855 | } |
| 856 | gdk_image_put_pixel( data_image, x, y, pixel ); |
| 857 | break; |
| 858 | } |
| 859 | case 15: |
| 860 | { |
| 861 | guint32 pixel = 0; |
| 862 | switch (b_o) |
| 863 | { |
| 864 | case RGB: pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3); break; |
| 865 | case RBG: pixel = ((r & 0xf8) << 7) | ((b & 0xf8) << 2) | ((g & 0xf8) >> 3); break; |
| 866 | case GRB: pixel = ((g & 0xf8) << 7) | ((r & 0xf8) << 2) | ((b & 0xf8) >> 3); break; |
| 867 | case GBR: pixel = ((g & 0xf8) << 7) | ((b & 0xf8) << 2) | ((r & 0xf8) >> 3); break; |
| 868 | case BRG: pixel = ((b & 0xf8) << 7) | ((r & 0xf8) << 2) | ((g & 0xf8) >> 3); break; |
| 869 | case BGR: pixel = ((b & 0xf8) << 7) | ((g & 0xf8) << 2) | ((r & 0xf8) >> 3); break; |
| 870 | } |
| 871 | gdk_image_put_pixel( data_image, x, y, pixel ); |
| 872 | break; |
| 873 | } |
| 874 | case 16: |
| 875 | { |
| 876 | // I actually don't know if for 16-bit displays, it is alway the green |
| 877 | // component or the second component which has 6 bits. |
| 878 | guint32 pixel = 0; |
| 879 | switch (b_o) |
| 880 | { |
| 881 | case RGB: pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3); break; |
| 882 | case RBG: pixel = ((r & 0xf8) << 8) | ((b & 0xfc) << 3) | ((g & 0xf8) >> 3); break; |
| 883 | case GRB: pixel = ((g & 0xf8) << 8) | ((r & 0xfc) << 3) | ((b & 0xf8) >> 3); break; |
| 884 | case GBR: pixel = ((g & 0xf8) << 8) | ((b & 0xfc) << 3) | ((r & 0xf8) >> 3); break; |
| 885 | case BRG: pixel = ((b & 0xf8) << 8) | ((r & 0xfc) << 3) | ((g & 0xf8) >> 3); break; |
| 886 | case BGR: pixel = ((b & 0xf8) << 8) | ((g & 0xfc) << 3) | ((r & 0xf8) >> 3); break; |
| 887 | } |
| 888 | gdk_image_put_pixel( data_image, x, y, pixel ); |
| 889 | break; |
| 890 | } |
| 891 | case 32: |
| 892 | case 24: |
| 893 | { |
| 894 | guint32 pixel = 0; |
| 895 | switch (b_o) |
| 896 | { |
| 897 | case RGB: pixel = (r << 16) | (g << 8) | b; break; |
| 898 | case RBG: pixel = (r << 16) | (b << 8) | g; break; |
| 899 | case BRG: pixel = (b << 16) | (r << 8) | g; break; |
| 900 | case BGR: pixel = (b << 16) | (g << 8) | r; break; |
| 901 | case GRB: pixel = (g << 16) | (r << 8) | b; break; |
| 902 | case GBR: pixel = (g << 16) | (b << 8) | r; break; |
| 903 | } |
| 904 | gdk_image_put_pixel( data_image, x, y, pixel ); |
| 905 | } |
| 906 | default: break; |
| 907 | } |
| 908 | } // for |
| 909 | } // for |
| 910 | |
| 911 | // Blit picture |
| 912 | |
| 913 | GdkGC *data_gc = gdk_gc_new( GetPixmap() ); |
| 914 | |
| 915 | gdk_draw_image( GetPixmap(), data_gc, data_image, 0, 0, 0, 0, width, height ); |
| 916 | |
| 917 | gdk_image_destroy( data_image ); |
| 918 | gdk_gc_unref( data_gc ); |
| 919 | |
| 920 | // Blit mask |
| 921 | |
| 922 | if (image.HasMask()) |
| 923 | { |
| 924 | GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() ); |
| 925 | |
| 926 | gdk_draw_image( GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height ); |
| 927 | |
| 928 | gdk_image_destroy( mask_image ); |
| 929 | gdk_gc_unref( mask_gc ); |
| 930 | } |
| 931 | |
| 932 | return true; |
| 933 | } |
| 934 | |
| 935 | #ifdef __WXGTK20__ |
| 936 | bool wxBitmap::CreateFromImageAsPixbuf(const wxImage& image) |
| 937 | { |
| 938 | int width = image.GetWidth(); |
| 939 | int height = image.GetHeight(); |
| 940 | |
| 941 | GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, |
| 942 | image.HasAlpha(), |
| 943 | 8 /* bits per sample */, |
| 944 | width, height); |
| 945 | if (!pixbuf) |
| 946 | return false; |
| 947 | |
| 948 | wxASSERT( image.HasAlpha() ); // for now |
| 949 | wxASSERT( gdk_pixbuf_get_n_channels(pixbuf) == 4 ); |
| 950 | wxASSERT( gdk_pixbuf_get_width(pixbuf) == width ); |
| 951 | wxASSERT( gdk_pixbuf_get_height(pixbuf) == height ); |
| 952 | |
| 953 | M_BMPDATA->m_pixbuf = pixbuf; |
| 954 | SetHeight(height); |
| 955 | SetWidth(width); |
| 956 | SetDepth(wxTheApp->GetGdkVisual()->depth); |
| 957 | |
| 958 | // Copy the data: |
| 959 | unsigned char *in = image.GetData(); |
| 960 | unsigned char *out = gdk_pixbuf_get_pixels(pixbuf); |
| 961 | unsigned char *alpha = image.GetAlpha(); |
| 962 | |
| 963 | int rowinc = gdk_pixbuf_get_rowstride(pixbuf) - 4 * width; |
| 964 | |
| 965 | for (int y = 0; y < height; y++, out += rowinc) |
| 966 | { |
| 967 | for (int x = 0; x < width; x++, alpha++, out += 4, in += 3) |
| 968 | { |
| 969 | out[0] = in[0]; |
| 970 | out[1] = in[1]; |
| 971 | out[2] = in[2]; |
| 972 | out[3] = *alpha; |
| 973 | } |
| 974 | } |
| 975 | |
| 976 | return true; |
| 977 | } |
| 978 | #endif // __WXGTK20__ |
| 979 | |
| 980 | wxImage wxBitmap::ConvertToImage() const |
| 981 | { |
| 982 | wxImage image; |
| 983 | |
| 984 | wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") ); |
| 985 | |
| 986 | image.Create(GetWidth(), GetHeight()); |
| 987 | unsigned char *data = image.GetData(); |
| 988 | |
| 989 | if (!data) |
| 990 | { |
| 991 | wxFAIL_MSG( wxT("couldn't create image") ); |
| 992 | return wxNullImage; |
| 993 | } |
| 994 | |
| 995 | #ifdef __WXGTK20__ |
| 996 | if (HasPixbuf()) |
| 997 | { |
| 998 | GdkPixbuf *pixbuf = GetPixbuf(); |
| 999 | wxASSERT( gdk_pixbuf_get_has_alpha(pixbuf) ); |
| 1000 | |
| 1001 | int w = GetWidth(); |
| 1002 | int h = GetHeight(); |
| 1003 | |
| 1004 | image.SetAlpha(); |
| 1005 | |
| 1006 | unsigned char *alpha = image.GetAlpha(); |
| 1007 | unsigned char *in = gdk_pixbuf_get_pixels(pixbuf); |
| 1008 | unsigned char *out = data; |
| 1009 | int rowinc = gdk_pixbuf_get_rowstride(pixbuf) - 4 * w; |
| 1010 | |
| 1011 | for (int y = 0; y < h; y++, in += rowinc) |
| 1012 | { |
| 1013 | for (int x = 0; x < w; x++, in += 4, out += 3, alpha++) |
| 1014 | { |
| 1015 | out[0] = in[0]; |
| 1016 | out[1] = in[1]; |
| 1017 | out[2] = in[2]; |
| 1018 | *alpha = in[3]; |
| 1019 | } |
| 1020 | } |
| 1021 | } |
| 1022 | else |
| 1023 | #endif // __WXGTK20__ |
| 1024 | { |
| 1025 | // the colour used as transparent one in wxImage and the one it is |
| 1026 | // replaced with when it really occurs in the bitmap |
| 1027 | static const int MASK_RED = 1; |
| 1028 | static const int MASK_GREEN = 2; |
| 1029 | static const int MASK_BLUE = 3; |
| 1030 | static const int MASK_BLUE_REPLACEMENT = 2; |
| 1031 | |
| 1032 | GdkImage *gdk_image = (GdkImage*) NULL; |
| 1033 | |
| 1034 | if (HasPixmap()) |
| 1035 | { |
| 1036 | gdk_image = gdk_image_get( GetPixmap(), |
| 1037 | 0, 0, |
| 1038 | GetWidth(), GetHeight() ); |
| 1039 | } |
| 1040 | else if (GetBitmap()) |
| 1041 | { |
| 1042 | gdk_image = gdk_image_get( GetBitmap(), |
| 1043 | 0, 0, |
| 1044 | GetWidth(), GetHeight() ); |
| 1045 | } |
| 1046 | else |
| 1047 | { |
| 1048 | wxFAIL_MSG( wxT("Ill-formed bitmap") ); |
| 1049 | } |
| 1050 | |
| 1051 | wxCHECK_MSG( gdk_image, wxNullImage, wxT("couldn't create image") ); |
| 1052 | |
| 1053 | GdkImage *gdk_image_mask = (GdkImage*) NULL; |
| 1054 | if (GetMask()) |
| 1055 | { |
| 1056 | gdk_image_mask = gdk_image_get( GetMask()->GetBitmap(), |
| 1057 | 0, 0, |
| 1058 | GetWidth(), GetHeight() ); |
| 1059 | |
| 1060 | image.SetMaskColour( MASK_RED, MASK_GREEN, MASK_BLUE ); |
| 1061 | } |
| 1062 | |
| 1063 | int bpp = -1; |
| 1064 | int red_shift_right = 0; |
| 1065 | int green_shift_right = 0; |
| 1066 | int blue_shift_right = 0; |
| 1067 | int red_shift_left = 0; |
| 1068 | int green_shift_left = 0; |
| 1069 | int blue_shift_left = 0; |
| 1070 | bool use_shift = FALSE; |
| 1071 | |
| 1072 | if (GetPixmap()) |
| 1073 | { |
| 1074 | GdkVisual *visual = gdk_window_get_visual( GetPixmap() ); |
| 1075 | if (visual == NULL) |
| 1076 | visual = wxTheApp->GetGdkVisual(); |
| 1077 | |
| 1078 | bpp = visual->depth; |
| 1079 | if (bpp == 16) |
| 1080 | bpp = visual->red_prec + visual->green_prec + visual->blue_prec; |
| 1081 | red_shift_right = visual->red_shift; |
| 1082 | red_shift_left = 8-visual->red_prec; |
| 1083 | green_shift_right = visual->green_shift; |
| 1084 | green_shift_left = 8-visual->green_prec; |
| 1085 | blue_shift_right = visual->blue_shift; |
| 1086 | blue_shift_left = 8-visual->blue_prec; |
| 1087 | |
| 1088 | use_shift = (visual->type == GDK_VISUAL_TRUE_COLOR) || (visual->type == GDK_VISUAL_DIRECT_COLOR); |
| 1089 | } |
| 1090 | if (GetBitmap()) |
| 1091 | { |
| 1092 | bpp = 1; |
| 1093 | } |
| 1094 | |
| 1095 | |
| 1096 | GdkColormap *cmap = gtk_widget_get_default_colormap(); |
| 1097 | |
| 1098 | long pos = 0; |
| 1099 | for (int j = 0; j < GetHeight(); j++) |
| 1100 | { |
| 1101 | for (int i = 0; i < GetWidth(); i++) |
| 1102 | { |
| 1103 | wxUint32 pixel = gdk_image_get_pixel( gdk_image, i, j ); |
| 1104 | if (bpp == 1) |
| 1105 | { |
| 1106 | if (pixel == 0) |
| 1107 | { |
| 1108 | data[pos] = 0; |
| 1109 | data[pos+1] = 0; |
| 1110 | data[pos+2] = 0; |
| 1111 | } |
| 1112 | else |
| 1113 | { |
| 1114 | data[pos] = 255; |
| 1115 | data[pos+1] = 255; |
| 1116 | data[pos+2] = 255; |
| 1117 | } |
| 1118 | } |
| 1119 | else if (use_shift) |
| 1120 | { |
| 1121 | data[pos] = (pixel >> red_shift_right) << red_shift_left; |
| 1122 | data[pos+1] = (pixel >> green_shift_right) << green_shift_left; |
| 1123 | data[pos+2] = (pixel >> blue_shift_right) << blue_shift_left; |
| 1124 | } |
| 1125 | else if (cmap->colors) |
| 1126 | { |
| 1127 | data[pos] = cmap->colors[pixel].red >> 8; |
| 1128 | data[pos+1] = cmap->colors[pixel].green >> 8; |
| 1129 | data[pos+2] = cmap->colors[pixel].blue >> 8; |
| 1130 | } |
| 1131 | else |
| 1132 | { |
| 1133 | wxFAIL_MSG( wxT("Image conversion failed. Unknown visual type.") ); |
| 1134 | } |
| 1135 | |
| 1136 | if (gdk_image_mask) |
| 1137 | { |
| 1138 | int mask_pixel = gdk_image_get_pixel( gdk_image_mask, i, j ); |
| 1139 | if (mask_pixel == 0) |
| 1140 | { |
| 1141 | data[pos] = MASK_RED; |
| 1142 | data[pos+1] = MASK_GREEN; |
| 1143 | data[pos+2] = MASK_BLUE; |
| 1144 | } |
| 1145 | else if ( data[pos] == MASK_RED && |
| 1146 | data[pos+1] == MASK_GREEN && |
| 1147 | data[pos+2] == MASK_BLUE ) |
| 1148 | { |
| 1149 | data[pos+2] = MASK_BLUE_REPLACEMENT; |
| 1150 | } |
| 1151 | } |
| 1152 | |
| 1153 | pos += 3; |
| 1154 | } |
| 1155 | } |
| 1156 | |
| 1157 | gdk_image_destroy( gdk_image ); |
| 1158 | if (gdk_image_mask) gdk_image_destroy( gdk_image_mask ); |
| 1159 | } |
| 1160 | |
| 1161 | return image; |
| 1162 | } |
| 1163 | |
| 1164 | wxBitmap::wxBitmap( const wxBitmap& bmp ) |
| 1165 | : wxBitmapBase() |
| 1166 | { |
| 1167 | Ref( bmp ); |
| 1168 | } |
| 1169 | |
| 1170 | wxBitmap::wxBitmap( const wxString &filename, wxBitmapType type ) |
| 1171 | { |
| 1172 | LoadFile( filename, type ); |
| 1173 | } |
| 1174 | |
| 1175 | wxBitmap::wxBitmap( const char bits[], int width, int height, int WXUNUSED(depth)) |
| 1176 | { |
| 1177 | if ( width > 0 && height > 0 ) |
| 1178 | { |
| 1179 | m_refData = new wxBitmapRefData(); |
| 1180 | |
| 1181 | M_BMPDATA->m_mask = (wxMask *) NULL; |
| 1182 | M_BMPDATA->m_bitmap = gdk_bitmap_create_from_data |
| 1183 | ( |
| 1184 | wxGetRootWindow()->window, |
| 1185 | (gchar *) bits, |
| 1186 | width, |
| 1187 | height |
| 1188 | ); |
| 1189 | M_BMPDATA->m_width = width; |
| 1190 | M_BMPDATA->m_height = height; |
| 1191 | M_BMPDATA->m_bpp = 1; |
| 1192 | |
| 1193 | wxASSERT_MSG( M_BMPDATA->m_bitmap, wxT("couldn't create bitmap") ); |
| 1194 | } |
| 1195 | } |
| 1196 | |
| 1197 | wxBitmap::~wxBitmap() |
| 1198 | { |
| 1199 | } |
| 1200 | |
| 1201 | wxBitmap& wxBitmap::operator = ( const wxBitmap& bmp ) |
| 1202 | { |
| 1203 | if ( m_refData != bmp.m_refData ) |
| 1204 | Ref( bmp ); |
| 1205 | |
| 1206 | return *this; |
| 1207 | } |
| 1208 | |
| 1209 | bool wxBitmap::operator == ( const wxBitmap& bmp ) const |
| 1210 | { |
| 1211 | return m_refData == bmp.m_refData; |
| 1212 | } |
| 1213 | |
| 1214 | bool wxBitmap::operator != ( const wxBitmap& bmp ) const |
| 1215 | { |
| 1216 | return m_refData != bmp.m_refData; |
| 1217 | } |
| 1218 | |
| 1219 | bool wxBitmap::Ok() const |
| 1220 | { |
| 1221 | return (m_refData != NULL) && |
| 1222 | ( |
| 1223 | #ifdef __WXGTK20__ |
| 1224 | M_BMPDATA->m_pixbuf || |
| 1225 | #endif |
| 1226 | M_BMPDATA->m_bitmap || M_BMPDATA->m_pixmap |
| 1227 | ); |
| 1228 | } |
| 1229 | |
| 1230 | int wxBitmap::GetHeight() const |
| 1231 | { |
| 1232 | wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") ); |
| 1233 | |
| 1234 | return M_BMPDATA->m_height; |
| 1235 | } |
| 1236 | |
| 1237 | int wxBitmap::GetWidth() const |
| 1238 | { |
| 1239 | wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") ); |
| 1240 | |
| 1241 | return M_BMPDATA->m_width; |
| 1242 | } |
| 1243 | |
| 1244 | int wxBitmap::GetDepth() const |
| 1245 | { |
| 1246 | wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") ); |
| 1247 | |
| 1248 | return M_BMPDATA->m_bpp; |
| 1249 | } |
| 1250 | |
| 1251 | wxMask *wxBitmap::GetMask() const |
| 1252 | { |
| 1253 | wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") ); |
| 1254 | |
| 1255 | return M_BMPDATA->m_mask; |
| 1256 | } |
| 1257 | |
| 1258 | void wxBitmap::SetMask( wxMask *mask ) |
| 1259 | { |
| 1260 | wxCHECK_RET( Ok(), wxT("invalid bitmap") ); |
| 1261 | |
| 1262 | if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask; |
| 1263 | |
| 1264 | M_BMPDATA->m_mask = mask; |
| 1265 | } |
| 1266 | |
| 1267 | bool wxBitmap::CopyFromIcon(const wxIcon& icon) |
| 1268 | { |
| 1269 | *this = icon; |
| 1270 | return TRUE; |
| 1271 | } |
| 1272 | |
| 1273 | wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const |
| 1274 | { |
| 1275 | wxCHECK_MSG( Ok() && |
| 1276 | (rect.x >= 0) && (rect.y >= 0) && |
| 1277 | (rect.x+rect.width <= M_BMPDATA->m_width) && (rect.y+rect.height <= M_BMPDATA->m_height), |
| 1278 | wxNullBitmap, wxT("invalid bitmap or bitmap region") ); |
| 1279 | |
| 1280 | wxBitmap ret( rect.width, rect.height, M_BMPDATA->m_bpp ); |
| 1281 | wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") ); |
| 1282 | |
| 1283 | #ifdef __WXGTK20__ |
| 1284 | if (HasPixbuf()) |
| 1285 | { |
| 1286 | GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, |
| 1287 | gdk_pixbuf_get_has_alpha(GetPixbuf()), |
| 1288 | 8, GetWidth(), GetHeight()); |
| 1289 | ret.SetPixbuf(pixbuf); |
| 1290 | gdk_pixbuf_copy_area(GetPixbuf(), |
| 1291 | rect.x, rect.y, rect.width, rect.height, |
| 1292 | pixbuf, 0, 0); |
| 1293 | } |
| 1294 | else |
| 1295 | #endif // __WXGTK20__ |
| 1296 | { |
| 1297 | if (ret.GetPixmap()) |
| 1298 | { |
| 1299 | GdkGC *gc = gdk_gc_new( ret.GetPixmap() ); |
| 1300 | gdk_draw_pixmap( ret.GetPixmap(), gc, GetPixmap(), rect.x, rect.y, 0, 0, rect.width, rect.height ); |
| 1301 | gdk_gc_destroy( gc ); |
| 1302 | } |
| 1303 | else |
| 1304 | { |
| 1305 | GdkGC *gc = gdk_gc_new( ret.GetBitmap() ); |
| 1306 | GdkColor col; |
| 1307 | col.pixel = 0xFFFFFF; |
| 1308 | gdk_gc_set_foreground( gc, &col ); |
| 1309 | col.pixel = 0; |
| 1310 | gdk_gc_set_background( gc, &col ); |
| 1311 | gdk_wx_draw_bitmap( ret.GetBitmap(), gc, GetBitmap(), rect.x, rect.y, 0, 0, rect.width, rect.height ); |
| 1312 | gdk_gc_destroy( gc ); |
| 1313 | } |
| 1314 | } |
| 1315 | |
| 1316 | if (GetMask()) |
| 1317 | { |
| 1318 | wxMask *mask = new wxMask; |
| 1319 | mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, rect.width, rect.height, 1 ); |
| 1320 | |
| 1321 | GdkGC *gc = gdk_gc_new( mask->m_bitmap ); |
| 1322 | GdkColor col; |
| 1323 | col.pixel = 0xFFFFFF; |
| 1324 | gdk_gc_set_foreground( gc, &col ); |
| 1325 | col.pixel = 0; |
| 1326 | gdk_gc_set_background( gc, &col ); |
| 1327 | gdk_wx_draw_bitmap( mask->m_bitmap, gc, M_BMPDATA->m_mask->m_bitmap, rect.x, rect.y, 0, 0, rect.width, rect.height ); |
| 1328 | gdk_gc_destroy( gc ); |
| 1329 | |
| 1330 | ret.SetMask( mask ); |
| 1331 | } |
| 1332 | |
| 1333 | return ret; |
| 1334 | } |
| 1335 | |
| 1336 | bool wxBitmap::SaveFile( const wxString &name, wxBitmapType type, const wxPalette *WXUNUSED(palette) ) const |
| 1337 | { |
| 1338 | wxCHECK_MSG( Ok(), FALSE, wxT("invalid bitmap") ); |
| 1339 | |
| 1340 | // Try to save the bitmap via wxImage handlers: |
| 1341 | { |
| 1342 | wxImage image = ConvertToImage(); |
| 1343 | if (image.Ok()) return image.SaveFile( name, type ); |
| 1344 | } |
| 1345 | |
| 1346 | return FALSE; |
| 1347 | } |
| 1348 | |
| 1349 | bool wxBitmap::LoadFile( const wxString &name, wxBitmapType type ) |
| 1350 | { |
| 1351 | UnRef(); |
| 1352 | |
| 1353 | if (!wxFileExists(name)) |
| 1354 | return FALSE; |
| 1355 | |
| 1356 | GdkVisual *visual = wxTheApp->GetGdkVisual(); |
| 1357 | |
| 1358 | if (type == wxBITMAP_TYPE_XPM) |
| 1359 | { |
| 1360 | m_refData = new wxBitmapRefData(); |
| 1361 | |
| 1362 | GdkBitmap *mask = (GdkBitmap*) NULL; |
| 1363 | |
| 1364 | M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm |
| 1365 | ( |
| 1366 | wxGetRootWindow()->window, |
| 1367 | &mask, |
| 1368 | NULL, |
| 1369 | name.fn_str() |
| 1370 | ); |
| 1371 | |
| 1372 | if (mask) |
| 1373 | { |
| 1374 | M_BMPDATA->m_mask = new wxMask(); |
| 1375 | M_BMPDATA->m_mask->m_bitmap = mask; |
| 1376 | } |
| 1377 | |
| 1378 | gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) ); |
| 1379 | |
| 1380 | M_BMPDATA->m_bpp = visual->depth; |
| 1381 | } |
| 1382 | else // try if wxImage can load it |
| 1383 | { |
| 1384 | wxImage image; |
| 1385 | if ( !image.LoadFile( name, type ) || !image.Ok() ) |
| 1386 | return FALSE; |
| 1387 | |
| 1388 | *this = wxBitmap(image); |
| 1389 | } |
| 1390 | |
| 1391 | return TRUE; |
| 1392 | } |
| 1393 | |
| 1394 | wxPalette *wxBitmap::GetPalette() const |
| 1395 | { |
| 1396 | if (!Ok()) |
| 1397 | return (wxPalette *) NULL; |
| 1398 | |
| 1399 | return M_BMPDATA->m_palette; |
| 1400 | } |
| 1401 | |
| 1402 | void wxBitmap::SetPalette(const wxPalette& WXUNUSED(palette)) |
| 1403 | { |
| 1404 | // TODO |
| 1405 | } |
| 1406 | |
| 1407 | void wxBitmap::SetHeight( int height ) |
| 1408 | { |
| 1409 | if (!m_refData) |
| 1410 | m_refData = new wxBitmapRefData(); |
| 1411 | |
| 1412 | M_BMPDATA->m_height = height; |
| 1413 | } |
| 1414 | |
| 1415 | void wxBitmap::SetWidth( int width ) |
| 1416 | { |
| 1417 | if (!m_refData) |
| 1418 | m_refData = new wxBitmapRefData(); |
| 1419 | |
| 1420 | M_BMPDATA->m_width = width; |
| 1421 | } |
| 1422 | |
| 1423 | void wxBitmap::SetDepth( int depth ) |
| 1424 | { |
| 1425 | if (!m_refData) |
| 1426 | m_refData = new wxBitmapRefData(); |
| 1427 | |
| 1428 | M_BMPDATA->m_bpp = depth; |
| 1429 | } |
| 1430 | |
| 1431 | void wxBitmap::SetPixmap( GdkPixmap *pixmap ) |
| 1432 | { |
| 1433 | if (!m_refData) |
| 1434 | m_refData = new wxBitmapRefData(); |
| 1435 | |
| 1436 | M_BMPDATA->m_pixmap = pixmap; |
| 1437 | #ifdef __WXGTK20__ |
| 1438 | PurgeOtherRepresentations(Pixmap); |
| 1439 | #endif |
| 1440 | } |
| 1441 | |
| 1442 | void wxBitmap::SetBitmap( GdkPixmap *bitmap ) |
| 1443 | { |
| 1444 | if (!m_refData) |
| 1445 | m_refData = new wxBitmapRefData(); |
| 1446 | |
| 1447 | M_BMPDATA->m_bitmap = bitmap; |
| 1448 | #ifdef __WXGTK20__ |
| 1449 | PurgeOtherRepresentations(Pixmap); |
| 1450 | #endif |
| 1451 | } |
| 1452 | |
| 1453 | GdkPixmap *wxBitmap::GetPixmap() const |
| 1454 | { |
| 1455 | wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, wxT("invalid bitmap") ); |
| 1456 | |
| 1457 | #ifdef __WXGTK20__ |
| 1458 | // create the pixmap on the fly if we use Pixbuf representation: |
| 1459 | if (HasPixbuf() && !HasPixmap()) |
| 1460 | { |
| 1461 | delete M_BMPDATA->m_mask; |
| 1462 | M_BMPDATA->m_mask = new wxMask(); |
| 1463 | gdk_pixbuf_render_pixmap_and_mask(M_BMPDATA->m_pixbuf, |
| 1464 | &M_BMPDATA->m_pixmap, |
| 1465 | &M_BMPDATA->m_mask->m_bitmap, |
| 1466 | 128 /*threshold*/); |
| 1467 | } |
| 1468 | #endif // __WXGTK20__ |
| 1469 | |
| 1470 | return M_BMPDATA->m_pixmap; |
| 1471 | } |
| 1472 | |
| 1473 | bool wxBitmap::HasPixmap() const |
| 1474 | { |
| 1475 | wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") ); |
| 1476 | |
| 1477 | return M_BMPDATA->m_pixmap != NULL; |
| 1478 | } |
| 1479 | |
| 1480 | GdkBitmap *wxBitmap::GetBitmap() const |
| 1481 | { |
| 1482 | wxCHECK_MSG( Ok(), (GdkBitmap *) NULL, wxT("invalid bitmap") ); |
| 1483 | |
| 1484 | return M_BMPDATA->m_bitmap; |
| 1485 | } |
| 1486 | |
| 1487 | #ifdef __WXGTK20__ |
| 1488 | GdkPixbuf *wxBitmap::GetPixbuf() const |
| 1489 | { |
| 1490 | wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") ); |
| 1491 | |
| 1492 | if (HasPixmap() && !HasPixbuf()) |
| 1493 | { |
| 1494 | int width = GetWidth(); |
| 1495 | int height = GetHeight(); |
| 1496 | |
| 1497 | GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, |
| 1498 | GetMask() != NULL, |
| 1499 | 8, width, height); |
| 1500 | M_BMPDATA->m_pixbuf = |
| 1501 | gdk_pixbuf_get_from_drawable(pixbuf, M_BMPDATA->m_pixmap, NULL, |
| 1502 | 0, 0, 0, 0, width, height); |
| 1503 | |
| 1504 | // apply the mask to created pixbuf: |
| 1505 | if (M_BMPDATA->m_pixbuf && M_BMPDATA->m_mask) |
| 1506 | { |
| 1507 | GdkPixbuf *pmask = |
| 1508 | gdk_pixbuf_get_from_drawable(NULL, |
| 1509 | M_BMPDATA->m_mask->GetBitmap(), |
| 1510 | NULL, |
| 1511 | 0, 0, 0, 0, width, height); |
| 1512 | if (pmask) |
| 1513 | { |
| 1514 | guchar *bmp = gdk_pixbuf_get_pixels(pixbuf); |
| 1515 | guchar *mask = gdk_pixbuf_get_pixels(pmask); |
| 1516 | int bmprowinc = gdk_pixbuf_get_rowstride(pixbuf) - 4 * width; |
| 1517 | int maskrowinc = gdk_pixbuf_get_rowstride(pmask) - 3 * width; |
| 1518 | |
| 1519 | for (int y = 0; y < height; |
| 1520 | y++, bmp += bmprowinc, mask += maskrowinc) |
| 1521 | { |
| 1522 | for (int x = 0; x < width; x++, bmp += 4, mask += 3) |
| 1523 | { |
| 1524 | if (mask[0] == 0 /*black pixel*/) |
| 1525 | bmp[3] = 0; |
| 1526 | } |
| 1527 | } |
| 1528 | |
| 1529 | gdk_pixbuf_unref(pmask); |
| 1530 | } |
| 1531 | } |
| 1532 | } |
| 1533 | |
| 1534 | return M_BMPDATA->m_pixbuf; |
| 1535 | } |
| 1536 | |
| 1537 | bool wxBitmap::HasPixbuf() const |
| 1538 | { |
| 1539 | wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") ); |
| 1540 | |
| 1541 | return M_BMPDATA->m_pixbuf != NULL; |
| 1542 | } |
| 1543 | |
| 1544 | void wxBitmap::SetPixbuf( GdkPixbuf *pixbuf ) |
| 1545 | { |
| 1546 | if (!m_refData) |
| 1547 | m_refData = new wxBitmapRefData(); |
| 1548 | |
| 1549 | M_BMPDATA->m_pixbuf = pixbuf; |
| 1550 | PurgeOtherRepresentations(Pixbuf); |
| 1551 | } |
| 1552 | |
| 1553 | void wxBitmap::PurgeOtherRepresentations(wxBitmap::Representation keep) |
| 1554 | { |
| 1555 | if (keep == Pixmap && HasPixbuf()) |
| 1556 | { |
| 1557 | gdk_pixbuf_unref( M_BMPDATA->m_pixbuf ); |
| 1558 | M_BMPDATA->m_pixbuf = NULL; |
| 1559 | } |
| 1560 | if (keep == Pixbuf && HasPixmap()) |
| 1561 | { |
| 1562 | gdk_pixmap_unref( M_BMPDATA->m_pixmap ); |
| 1563 | M_BMPDATA->m_pixmap = NULL; |
| 1564 | } |
| 1565 | } |
| 1566 | |
| 1567 | #endif // __WXGTK20__ |
| 1568 | |
| 1569 | void *wxBitmap::GetRawData(wxPixelDataBase& data, int bpp) |
| 1570 | { |
| 1571 | #ifdef __WXGTK20__ |
| 1572 | if (bpp != 32) |
| 1573 | return NULL; |
| 1574 | |
| 1575 | GdkPixbuf *pixbuf = GetPixbuf(); |
| 1576 | if (!pixbuf) |
| 1577 | return NULL; |
| 1578 | |
| 1579 | #if 0 |
| 1580 | if (gdk_pixbuf_get_has_alpha( pixbuf )) |
| 1581 | wxPrintf( wxT("Has alpha\n") ); |
| 1582 | else |
| 1583 | wxPrintf( wxT("No alpha.\n") ); |
| 1584 | #endif |
| 1585 | |
| 1586 | data.m_height = gdk_pixbuf_get_height( pixbuf ); |
| 1587 | data.m_width = gdk_pixbuf_get_width( pixbuf ); |
| 1588 | data.m_stride = gdk_pixbuf_get_rowstride( pixbuf ); |
| 1589 | |
| 1590 | return gdk_pixbuf_get_pixels( pixbuf ); |
| 1591 | #else |
| 1592 | return NULL; |
| 1593 | #endif |
| 1594 | } |
| 1595 | |
| 1596 | void wxBitmap::UngetRawData(wxPixelDataBase& data) |
| 1597 | { |
| 1598 | } |
| 1599 | |
| 1600 | |
| 1601 | bool wxBitmap::HasAlpha() const |
| 1602 | { |
| 1603 | #ifdef __WXGTK20__ |
| 1604 | return HasPixbuf(); |
| 1605 | #else |
| 1606 | return false; |
| 1607 | #endif |
| 1608 | } |
| 1609 | |
| 1610 | void wxBitmap::UseAlpha() |
| 1611 | { |
| 1612 | #ifdef __WXGTK20__ |
| 1613 | GetPixbuf(); |
| 1614 | #endif |
| 1615 | } |
| 1616 | |
| 1617 | //----------------------------------------------------------------------------- |
| 1618 | // wxBitmapHandler |
| 1619 | //----------------------------------------------------------------------------- |
| 1620 | |
| 1621 | IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler,wxBitmapHandlerBase) |
| 1622 | |
| 1623 | wxBitmapHandler::~wxBitmapHandler() |
| 1624 | { |
| 1625 | } |
| 1626 | |
| 1627 | bool wxBitmapHandler::Create(wxBitmap *bitmap, void *data, long type, int width, int height, int depth) |
| 1628 | { |
| 1629 | return FALSE; |
| 1630 | } |
| 1631 | |
| 1632 | bool wxBitmapHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags, |
| 1633 | int desiredWidth, int desiredHeight) |
| 1634 | { |
| 1635 | return FALSE; |
| 1636 | } |
| 1637 | |
| 1638 | bool wxBitmapHandler::SaveFile(const wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette) |
| 1639 | { |
| 1640 | return FALSE; |
| 1641 | } |
| 1642 | |
| 1643 | /* static */ void wxBitmap::InitStandardHandlers() |
| 1644 | { |
| 1645 | // TODO: Insert handler based on GdkPixbufs handler later |
| 1646 | } |
| 1647 | |
| 1648 | |