| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/x11/bitmap.cpp |
| 3 | // Purpose: wxBitmap |
| 4 | // Author: Julian Smart, Robert Roebling |
| 5 | // Modified by: |
| 6 | // Created: 17/09/98 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Julian Smart, Robert Roebling |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | // for compilers that support precompilation, includes "wx.h". |
| 13 | #include "wx/wxprec.h" |
| 14 | |
| 15 | #include "wx/bitmap.h" |
| 16 | |
| 17 | #ifndef WX_PRECOMP |
| 18 | #include "wx/log.h" |
| 19 | #include "wx/app.h" |
| 20 | #include "wx/dcmemory.h" |
| 21 | #include "wx/icon.h" |
| 22 | #include "wx/math.h" |
| 23 | #include "wx/image.h" |
| 24 | #endif |
| 25 | |
| 26 | #include "wx/x11/private.h" |
| 27 | |
| 28 | /* No point in using libXPM for NanoX */ |
| 29 | #if wxUSE_NANOX |
| 30 | #undef wxHAVE_LIB_XPM |
| 31 | #define wxHAVE_LIB_XPM 0 |
| 32 | |
| 33 | // Copy from the drawable to the wxImage |
| 34 | bool wxGetImageFromDrawable(GR_DRAW_ID drawable, int srcX, int srcY, int width, int height, wxImage& image); |
| 35 | #endif |
| 36 | |
| 37 | #if wxUSE_XPM |
| 38 | #if wxHAVE_LIB_XPM |
| 39 | #include <X11/xpm.h> |
| 40 | #else |
| 41 | #include "wx/xpmdecod.h" |
| 42 | #include "wx/wfstream.h" |
| 43 | #endif |
| 44 | #endif |
| 45 | |
| 46 | //----------------------------------------------------------------------------- |
| 47 | // wxMask |
| 48 | //----------------------------------------------------------------------------- |
| 49 | |
| 50 | IMPLEMENT_DYNAMIC_CLASS(wxMask,wxObject) |
| 51 | |
| 52 | wxMask::wxMask() |
| 53 | { |
| 54 | m_bitmap = NULL; |
| 55 | m_display = NULL; |
| 56 | } |
| 57 | |
| 58 | wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour ) |
| 59 | { |
| 60 | m_bitmap = NULL; |
| 61 | Create( bitmap, colour ); |
| 62 | } |
| 63 | |
| 64 | wxMask::wxMask( const wxBitmap& bitmap, int paletteIndex ) |
| 65 | { |
| 66 | m_bitmap = NULL; |
| 67 | Create( bitmap, paletteIndex ); |
| 68 | } |
| 69 | |
| 70 | wxMask::wxMask( const wxBitmap& bitmap ) |
| 71 | { |
| 72 | m_bitmap = NULL; |
| 73 | Create( bitmap ); |
| 74 | } |
| 75 | |
| 76 | wxMask::~wxMask() |
| 77 | { |
| 78 | if (m_bitmap) |
| 79 | XFreePixmap( (Display*) m_display, (Pixmap) m_bitmap ); |
| 80 | } |
| 81 | |
| 82 | bool wxMask::Create( const wxBitmap& bitmap, |
| 83 | const wxColour& colour ) |
| 84 | { |
| 85 | #if !wxUSE_NANOX |
| 86 | if (m_bitmap) |
| 87 | { |
| 88 | XFreePixmap( (Display*) m_display, (Pixmap) m_bitmap ); |
| 89 | m_bitmap = NULL; |
| 90 | } |
| 91 | |
| 92 | m_display = bitmap.GetDisplay(); |
| 93 | |
| 94 | wxImage image = bitmap.ConvertToImage(); |
| 95 | if (!image.Ok()) return false; |
| 96 | |
| 97 | m_display = bitmap.GetDisplay(); |
| 98 | |
| 99 | Display *xdisplay = (Display*) m_display; |
| 100 | int xscreen = DefaultScreen( xdisplay ); |
| 101 | Window xroot = RootWindow( xdisplay, xscreen ); |
| 102 | |
| 103 | m_bitmap = (WXPixmap) XCreatePixmap( xdisplay, xroot, image.GetWidth(), image.GetHeight(), 1 ); |
| 104 | GC gc = XCreateGC( xdisplay, (Pixmap) m_bitmap, 0, NULL ); |
| 105 | |
| 106 | XSetForeground( xdisplay, gc, WhitePixel(xdisplay,xscreen) ); |
| 107 | XSetFillStyle( xdisplay, gc, FillSolid ); |
| 108 | XFillRectangle( xdisplay, (Pixmap) m_bitmap, gc, 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 | int bpp = wxTheApp->GetVisualInfo(m_display)->m_visualDepth; |
| 118 | |
| 119 | if (bpp == 15) |
| 120 | { |
| 121 | red &= 0xf8; |
| 122 | green &= 0xf8; |
| 123 | blue &= 0xf8; |
| 124 | } else |
| 125 | if (bpp == 16) |
| 126 | { |
| 127 | red &= 0xf8; |
| 128 | green &= 0xfc; |
| 129 | blue &= 0xf8; |
| 130 | } else |
| 131 | if (bpp == 12) |
| 132 | { |
| 133 | red &= 0xf0; |
| 134 | green &= 0xf0; |
| 135 | blue &= 0xf0; |
| 136 | } |
| 137 | |
| 138 | XSetForeground( xdisplay, gc, BlackPixel(xdisplay,xscreen) ); |
| 139 | |
| 140 | int width = image.GetWidth(); |
| 141 | int height = image.GetHeight(); |
| 142 | for (int j = 0; j < height; j++) |
| 143 | { |
| 144 | int start_x = -1; |
| 145 | int i; |
| 146 | for (i = 0; i < width; i++) |
| 147 | { |
| 148 | if ((data[index] == red) && |
| 149 | (data[index+1] == green) && |
| 150 | (data[index+2] == blue)) |
| 151 | { |
| 152 | if (start_x == -1) |
| 153 | start_x = i; |
| 154 | } |
| 155 | else |
| 156 | { |
| 157 | if (start_x != -1) |
| 158 | { |
| 159 | XDrawLine( xdisplay, (Pixmap) m_bitmap, gc, start_x, j, i-1, j ); |
| 160 | start_x = -1; |
| 161 | } |
| 162 | } |
| 163 | index += 3; |
| 164 | } |
| 165 | if (start_x != -1) |
| 166 | XDrawLine( xdisplay, (Pixmap) m_bitmap, gc, start_x, j, i, j ); |
| 167 | } |
| 168 | |
| 169 | XFreeGC( xdisplay, gc ); |
| 170 | |
| 171 | return true; |
| 172 | #else |
| 173 | return false; |
| 174 | #endif |
| 175 | // wxUSE_NANOX |
| 176 | } |
| 177 | |
| 178 | bool wxMask::Create( const wxBitmap& bitmap, int paletteIndex ) |
| 179 | { |
| 180 | unsigned char r,g,b; |
| 181 | wxPalette *pal = bitmap.GetPalette(); |
| 182 | |
| 183 | wxCHECK_MSG( pal, false, wxT("Cannot create mask from bitmap without palette") ); |
| 184 | |
| 185 | pal->GetRGB(paletteIndex, &r, &g, &b); |
| 186 | |
| 187 | return Create(bitmap, wxColour(r, g, b)); |
| 188 | } |
| 189 | |
| 190 | bool wxMask::Create( const wxBitmap& bitmap ) |
| 191 | { |
| 192 | #if !wxUSE_NANOX |
| 193 | if (m_bitmap) |
| 194 | { |
| 195 | XFreePixmap( (Display*) m_display, (Pixmap) m_bitmap ); |
| 196 | m_bitmap = NULL; |
| 197 | } |
| 198 | |
| 199 | if (!bitmap.Ok()) return false; |
| 200 | |
| 201 | wxCHECK_MSG( bitmap.GetBitmap(), false, wxT("Cannot create mask from colour bitmap") ); |
| 202 | |
| 203 | m_display = bitmap.GetDisplay(); |
| 204 | |
| 205 | int xscreen = DefaultScreen( (Display*) m_display ); |
| 206 | Window xroot = RootWindow( (Display*) m_display, xscreen ); |
| 207 | |
| 208 | m_bitmap = (WXPixmap) XCreatePixmap( (Display*) m_display, xroot, bitmap.GetWidth(), bitmap.GetHeight(), 1 ); |
| 209 | |
| 210 | if (!m_bitmap) return false; |
| 211 | |
| 212 | GC gc = XCreateGC( (Display*) m_display, (Pixmap) m_bitmap, 0, NULL ); |
| 213 | |
| 214 | XCopyPlane( (Display*) m_display, (Pixmap) bitmap.GetBitmap(), (Pixmap) m_bitmap, |
| 215 | gc, 0, 0, bitmap.GetWidth(), bitmap.GetHeight(), 0, 0, 1 ); |
| 216 | |
| 217 | XFreeGC( (Display*) m_display, gc ); |
| 218 | |
| 219 | return true; |
| 220 | #else |
| 221 | return false; |
| 222 | #endif |
| 223 | // wxUSE_NANOX |
| 224 | } |
| 225 | |
| 226 | //----------------------------------------------------------------------------- |
| 227 | // wxBitmap |
| 228 | //----------------------------------------------------------------------------- |
| 229 | |
| 230 | class wxBitmapRefData : public wxGDIRefData |
| 231 | { |
| 232 | public: |
| 233 | wxBitmapRefData(); |
| 234 | wxBitmapRefData(const wxBitmapRefData& data); |
| 235 | virtual ~wxBitmapRefData(); |
| 236 | |
| 237 | // shouldn't be called more than once as it doesn't free the existing data |
| 238 | bool Create(int width, int height, int depth); |
| 239 | |
| 240 | virtual bool IsOk() const { return m_pixmap || m_bitmap; } |
| 241 | |
| 242 | Pixmap m_pixmap; |
| 243 | Pixmap m_bitmap; |
| 244 | Display *m_display; |
| 245 | wxMask *m_mask; |
| 246 | int m_width; |
| 247 | int m_height; |
| 248 | int m_bpp; |
| 249 | wxPalette *m_palette; |
| 250 | }; |
| 251 | |
| 252 | wxBitmapRefData::wxBitmapRefData() |
| 253 | { |
| 254 | m_pixmap = 0; |
| 255 | m_bitmap = 0; |
| 256 | m_display = NULL; |
| 257 | m_mask = NULL; |
| 258 | m_width = 0; |
| 259 | m_height = 0; |
| 260 | m_bpp = 0; |
| 261 | m_palette = (wxPalette *) NULL; |
| 262 | } |
| 263 | |
| 264 | wxBitmapRefData::wxBitmapRefData(const wxBitmapRefData& data) |
| 265 | { |
| 266 | m_pixmap = 0; |
| 267 | m_bitmap = 0; |
| 268 | m_display = data.m_display; |
| 269 | m_mask = NULL; // FIXME: should copy |
| 270 | m_palette = NULL; // FIXME: should copy |
| 271 | |
| 272 | Create(data.m_width, data.m_height, data.m_bpp); |
| 273 | } |
| 274 | |
| 275 | bool wxBitmapRefData::Create(int width, int height, int depth) |
| 276 | { |
| 277 | m_width = width; |
| 278 | m_height = height; |
| 279 | m_bpp = depth; |
| 280 | |
| 281 | m_display = wxGlobalDisplay(); |
| 282 | |
| 283 | wxCHECK_MSG( m_display, false, wxT("No display") ); |
| 284 | |
| 285 | int xscreen = DefaultScreen(m_display); |
| 286 | int bpp = DefaultDepth(m_display, xscreen); |
| 287 | if ( depth == -1 ) |
| 288 | depth = bpp; |
| 289 | |
| 290 | wxCHECK_MSG( (depth == bpp) || (depth == 1), false, |
| 291 | wxT("invalid bitmap depth") ); |
| 292 | |
| 293 | #if wxUSE_NANOX |
| 294 | m_pixmap = (WXPixmap) GrNewPixmap(width, height, NULL); |
| 295 | #else // !wxUSE_NANOX |
| 296 | Window xroot = RootWindow(m_display, xscreen); |
| 297 | |
| 298 | *(depth == 1 ? &m_bitmap : &m_pixmap) = |
| 299 | XCreatePixmap(m_display, xroot, width, height, depth); |
| 300 | #endif // wxUSE_NANOX/!wxUSE_NANOX |
| 301 | |
| 302 | wxCHECK_MSG( m_pixmap || m_bitmap, false, wxT("Bitmap creation failed") ); |
| 303 | |
| 304 | return true; |
| 305 | } |
| 306 | |
| 307 | wxBitmapRefData::~wxBitmapRefData() |
| 308 | { |
| 309 | if (m_pixmap) |
| 310 | XFreePixmap(m_display, m_pixmap); |
| 311 | if (m_bitmap) |
| 312 | XFreePixmap(m_display, m_bitmap); |
| 313 | delete m_mask; |
| 314 | delete m_palette; |
| 315 | } |
| 316 | |
| 317 | //----------------------------------------------------------------------------- |
| 318 | |
| 319 | // helper function |
| 320 | |
| 321 | static WXPixmap wxGetSubPixmap( WXDisplay* xdisplay, WXPixmap xpixmap, |
| 322 | int x, int y, int width, int height, |
| 323 | int depth ) |
| 324 | { |
| 325 | Display * const dpy = (Display *)xdisplay; |
| 326 | |
| 327 | int xscreen = DefaultScreen( dpy ); |
| 328 | Window xroot = RootWindow( dpy, xscreen ); |
| 329 | Visual* xvisual = DefaultVisual( dpy, xscreen ); |
| 330 | |
| 331 | XImage* ximage = XCreateImage( dpy, xvisual, depth, |
| 332 | ZPixmap, 0, 0, width, height, 32, 0 ); |
| 333 | ximage->data = (char*)malloc( ximage->bytes_per_line * ximage->height ); |
| 334 | ximage = XGetSubImage( dpy, (Pixmap)xpixmap, |
| 335 | x, y, width, height, |
| 336 | AllPlanes, ZPixmap, ximage, 0, 0 ); |
| 337 | |
| 338 | GC gc = XCreateGC( dpy, (Pixmap)xpixmap, 0, NULL ); |
| 339 | Pixmap ret = XCreatePixmap( dpy, xroot, |
| 340 | width, height, depth ); |
| 341 | |
| 342 | XPutImage( dpy, ret, gc, ximage, |
| 343 | 0, 0, 0, 0, width, height ); |
| 344 | XDestroyImage( ximage ); |
| 345 | XFreeGC( dpy, gc ); |
| 346 | |
| 347 | return (WXPixmap)ret; |
| 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 | bool wxBitmap::Create( int width, int height, int depth ) |
| 364 | { |
| 365 | UnRef(); |
| 366 | |
| 367 | wxCHECK_MSG( (width > 0) && (height > 0), false, wxT("invalid bitmap size") ); |
| 368 | |
| 369 | m_refData = new wxBitmapRefData(); |
| 370 | |
| 371 | return M_BMPDATA->Create(width, height, depth); |
| 372 | } |
| 373 | |
| 374 | bool wxBitmap::Create(const void* data, wxBitmapType type, |
| 375 | int width, int height, int depth) |
| 376 | { |
| 377 | UnRef(); |
| 378 | |
| 379 | wxBitmapHandler *handler = FindHandler(type); |
| 380 | |
| 381 | if ( handler == NULL ) { |
| 382 | wxLogWarning(wxT("no data bitmap handler for type %ld defined."), |
| 383 | (long)type); |
| 384 | |
| 385 | return false; |
| 386 | } |
| 387 | |
| 388 | return handler->Create(this, data, type, width, height, depth); |
| 389 | } |
| 390 | |
| 391 | bool wxBitmap::Create(WXPixmap pixmap) |
| 392 | { |
| 393 | UnRef(); |
| 394 | Pixmap xpixmap = (Pixmap)pixmap; |
| 395 | Display* xdisplay = wxGlobalDisplay(); |
| 396 | int xscreen = DefaultScreen( xdisplay ); |
| 397 | Window xroot = RootWindow( xdisplay, xscreen ); |
| 398 | |
| 399 | // make a copy of the Pixmap |
| 400 | Window root; |
| 401 | int x, y; |
| 402 | unsigned width, height, border, depth; |
| 403 | |
| 404 | XGetGeometry( xdisplay, (Drawable)xpixmap, &root, &x, &y, |
| 405 | &width, &height, &border, &depth ); |
| 406 | Pixmap copy = XCreatePixmap( xdisplay, xroot, width, height, depth ); |
| 407 | |
| 408 | GC gc = XCreateGC( xdisplay, copy, 0, NULL ); |
| 409 | XCopyArea( xdisplay, xpixmap, copy, gc, 0, 0, width, height, 0, 0 ); |
| 410 | XFreeGC( xdisplay, gc ); |
| 411 | |
| 412 | // fill in ref data |
| 413 | wxBitmapRefData* ref = new wxBitmapRefData(); |
| 414 | |
| 415 | if( depth == 1 ) |
| 416 | ref->m_bitmap = copy; |
| 417 | else |
| 418 | ref->m_pixmap = copy; |
| 419 | |
| 420 | ref->m_display = xdisplay; |
| 421 | ref->m_width = width; |
| 422 | ref->m_height = height; |
| 423 | ref->m_bpp = depth; |
| 424 | |
| 425 | m_refData = ref; |
| 426 | |
| 427 | return true; |
| 428 | } |
| 429 | |
| 430 | wxBitmap::wxBitmap(const char* const* bits) |
| 431 | { |
| 432 | Create(bits, wxBITMAP_TYPE_XPM_DATA, 0, 0, 0); |
| 433 | } |
| 434 | |
| 435 | wxGDIRefData *wxBitmap::CreateGDIRefData() const |
| 436 | { |
| 437 | return new wxBitmapRefData; |
| 438 | } |
| 439 | |
| 440 | wxGDIRefData *wxBitmap::CloneGDIRefData(const wxGDIRefData *data) const |
| 441 | { |
| 442 | return new wxBitmapRefData(*wx_static_cast(const wxBitmapRefData *, data)); |
| 443 | } |
| 444 | |
| 445 | bool wxBitmap::CreateFromImage( const wxImage& image, int depth ) |
| 446 | { |
| 447 | #if wxUSE_NANOX |
| 448 | if (!image.Ok()) |
| 449 | { |
| 450 | wxASSERT_MSG(image.Ok(), wxT("Invalid wxImage passed to wxBitmap::CreateFromImage.")); |
| 451 | return false; |
| 452 | } |
| 453 | |
| 454 | int w = image.GetWidth(); |
| 455 | int h = image.GetHeight(); |
| 456 | |
| 457 | if (!Create(w, h, depth)) |
| 458 | return false; |
| 459 | |
| 460 | // Unfortunately the mask has to be screen-depth since |
| 461 | // 1-bpp bitmaps don't seem to be supported |
| 462 | // TODO: implement transparent drawing, presumably |
| 463 | // by doing several blits as per the Windows |
| 464 | // implementation because Nano-X doesn't support |
| 465 | // XSetClipMask. |
| 466 | // TODO: could perhaps speed this function up |
| 467 | // by making a buffer of pixel values, |
| 468 | // and then calling GrArea to write that to the |
| 469 | // pixmap. See demos/nxroach.c. |
| 470 | |
| 471 | bool hasMask = image.HasMask(); |
| 472 | |
| 473 | GC pixmapGC = GrNewGC(); |
| 474 | Pixmap pixmap = (Pixmap) GetPixmap(); |
| 475 | |
| 476 | GC maskGC = 0; |
| 477 | Pixmap maskPixmap = 0; |
| 478 | |
| 479 | unsigned char maskR = 0; |
| 480 | unsigned char maskG = 0; |
| 481 | unsigned char maskB = 0; |
| 482 | |
| 483 | if (hasMask) |
| 484 | { |
| 485 | maskR = image.GetMaskRed(); |
| 486 | maskG = image.GetMaskGreen(); |
| 487 | maskB = image.GetMaskBlue(); |
| 488 | |
| 489 | maskGC = GrNewGC(); |
| 490 | maskPixmap = GrNewPixmap(w, h, 0); |
| 491 | if (!maskPixmap) |
| 492 | hasMask = false; |
| 493 | else |
| 494 | { |
| 495 | wxMask* mask = new wxMask; |
| 496 | mask->SetBitmap((WXPixmap) maskPixmap); |
| 497 | SetMask(mask); |
| 498 | } |
| 499 | } |
| 500 | |
| 501 | GR_COLOR lastPixmapColour = 0; |
| 502 | GR_COLOR lastMaskColour = 0; |
| 503 | |
| 504 | int i, j; |
| 505 | for (i = 0; i < w; i++) |
| 506 | { |
| 507 | for (j = 0; j < h; j++) |
| 508 | { |
| 509 | unsigned char red = image.GetRed(i, j); |
| 510 | unsigned char green = image.GetGreen(i, j); |
| 511 | unsigned char blue = image.GetBlue(i, j); |
| 512 | |
| 513 | GR_COLOR colour = GR_RGB(red, green, blue); |
| 514 | |
| 515 | // Efficiency measure |
| 516 | if (colour != lastPixmapColour || (i == 0 && j == 0)) |
| 517 | { |
| 518 | GrSetGCForeground(pixmapGC, colour); |
| 519 | lastPixmapColour = colour; |
| 520 | } |
| 521 | |
| 522 | GrPoint(pixmap, pixmapGC, i, j); |
| 523 | |
| 524 | if (hasMask) |
| 525 | { |
| 526 | // scan the bitmap for the transparent colour and set the corresponding |
| 527 | // pixels in the mask to BLACK and the rest to WHITE |
| 528 | if (maskR == red && maskG == green && maskB == blue) |
| 529 | { |
| 530 | colour = GR_RGB(0, 0, 0); |
| 531 | } |
| 532 | else |
| 533 | { |
| 534 | colour = GR_RGB(255, 255, 255); |
| 535 | } |
| 536 | if (colour != lastMaskColour || (i == 0 && j == 0)) |
| 537 | { |
| 538 | GrSetGCForeground(maskGC, colour); |
| 539 | lastMaskColour = colour; |
| 540 | } |
| 541 | GrPoint(maskPixmap, maskGC, i, j); |
| 542 | } |
| 543 | } |
| 544 | } |
| 545 | |
| 546 | GrDestroyGC(pixmapGC); |
| 547 | if (hasMask) |
| 548 | GrDestroyGC(maskGC); |
| 549 | |
| 550 | return true; |
| 551 | #else |
| 552 | // !wxUSE_NANOX |
| 553 | |
| 554 | UnRef(); |
| 555 | |
| 556 | wxCHECK_MSG( image.Ok(), false, wxT("invalid image") ); |
| 557 | wxCHECK_MSG( depth == -1, false, wxT("invalid bitmap depth") ); |
| 558 | |
| 559 | m_refData = new wxBitmapRefData(); |
| 560 | |
| 561 | M_BMPDATA->m_display = wxGlobalDisplay(); |
| 562 | |
| 563 | Display *xdisplay = (Display*) M_BMPDATA->m_display; |
| 564 | |
| 565 | int xscreen = DefaultScreen( xdisplay ); |
| 566 | Window xroot = RootWindow( xdisplay, xscreen ); |
| 567 | Visual* xvisual = DefaultVisual( xdisplay, xscreen ); |
| 568 | |
| 569 | int bpp = wxTheApp->GetVisualInfo(M_BMPDATA->m_display)->m_visualDepth; |
| 570 | |
| 571 | int width = image.GetWidth(); |
| 572 | int height = image.GetHeight(); |
| 573 | M_BMPDATA->m_width = width; |
| 574 | M_BMPDATA->m_height = height; |
| 575 | |
| 576 | if (depth != 1) depth = bpp; |
| 577 | M_BMPDATA->m_bpp = depth; |
| 578 | |
| 579 | if (depth == 1) |
| 580 | { |
| 581 | wxFAIL_MSG( wxT("mono images later") ); |
| 582 | } |
| 583 | else |
| 584 | { |
| 585 | // Create image |
| 586 | |
| 587 | XImage *data_image = XCreateImage( xdisplay, xvisual, bpp, ZPixmap, 0, 0, width, height, 32, 0 ); |
| 588 | data_image->data = (char*) malloc( data_image->bytes_per_line * data_image->height ); |
| 589 | |
| 590 | if (data_image->data == NULL) |
| 591 | { |
| 592 | wxLogError( wxT("Out of memory.") ); // TODO clean |
| 593 | return false; |
| 594 | } |
| 595 | |
| 596 | M_BMPDATA->m_pixmap = XCreatePixmap( xdisplay, xroot, width, height, depth ); |
| 597 | |
| 598 | // Create mask if necessary |
| 599 | const bool hasMask = image.HasMask(); |
| 600 | |
| 601 | XImage *mask_image = (XImage*) NULL; |
| 602 | if ( hasMask ) |
| 603 | { |
| 604 | mask_image = XCreateImage( xdisplay, xvisual, 1, ZPixmap, 0, 0, width, height, 32, 0 ); |
| 605 | mask_image->data = (char*) malloc( mask_image->bytes_per_line * mask_image->height ); |
| 606 | |
| 607 | if (mask_image->data == NULL) |
| 608 | { |
| 609 | wxLogError( wxT("Out of memory.") ); // TODO clean |
| 610 | return false; |
| 611 | } |
| 612 | |
| 613 | wxMask *mask = new wxMask(); |
| 614 | mask->SetDisplay( xdisplay ); |
| 615 | mask->SetBitmap( (WXPixmap) XCreatePixmap( xdisplay, xroot, width, height, 1 ) ); |
| 616 | |
| 617 | SetMask( mask ); |
| 618 | } |
| 619 | |
| 620 | if (bpp < 8) bpp = 8; |
| 621 | |
| 622 | // Render |
| 623 | |
| 624 | enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR }; |
| 625 | byte_order b_o = RGB; |
| 626 | |
| 627 | wxXVisualInfo* vi = wxTheApp->GetVisualInfo(M_BMPDATA->m_display); |
| 628 | unsigned long greenMask = vi->m_visualGreenMask, |
| 629 | redMask = vi->m_visualRedMask, |
| 630 | blueMask = vi->m_visualBlueMask; |
| 631 | |
| 632 | if (bpp > 8) |
| 633 | { |
| 634 | if ((redMask > greenMask) && (greenMask > blueMask)) b_o = RGB; |
| 635 | else if ((redMask > blueMask) && (blueMask > greenMask)) b_o = RBG; |
| 636 | else if ((blueMask > redMask) && (redMask > greenMask)) b_o = BRG; |
| 637 | else if ((blueMask > greenMask) && (greenMask > redMask))b_o = BGR; |
| 638 | else if ((greenMask > redMask) && (redMask > blueMask)) b_o = GRB; |
| 639 | else if ((greenMask > blueMask) && (blueMask > redMask)) b_o = GBR; |
| 640 | } |
| 641 | |
| 642 | int r_mask = image.GetMaskRed(); |
| 643 | int g_mask = image.GetMaskGreen(); |
| 644 | int b_mask = image.GetMaskBlue(); |
| 645 | |
| 646 | unsigned char* data = image.GetData(); |
| 647 | wxASSERT_MSG( data, wxT("No image data") ); |
| 648 | |
| 649 | unsigned char *colorCube = |
| 650 | wxTheApp->GetVisualInfo(M_BMPDATA->m_display)->m_colorCube; |
| 651 | |
| 652 | int index = 0; |
| 653 | for (int y = 0; y < height; y++) |
| 654 | { |
| 655 | for (int x = 0; x < width; x++) |
| 656 | { |
| 657 | int r = data[index]; |
| 658 | index++; |
| 659 | int g = data[index]; |
| 660 | index++; |
| 661 | int b = data[index]; |
| 662 | index++; |
| 663 | |
| 664 | if (hasMask) |
| 665 | { |
| 666 | if ((r == r_mask) && (b == b_mask) && (g == g_mask)) |
| 667 | XPutPixel( mask_image, x, y, 0 ); |
| 668 | else |
| 669 | XPutPixel( mask_image, x, y, 1 ); |
| 670 | } |
| 671 | |
| 672 | switch (bpp) |
| 673 | { |
| 674 | case 8: |
| 675 | { |
| 676 | int pixel = 0; |
| 677 | pixel = colorCube[ ((r & 0xf8) << 7) + ((g & 0xf8) << 2) + ((b & 0xf8) >> 3) ]; |
| 678 | XPutPixel( data_image, x, y, pixel ); |
| 679 | break; |
| 680 | } |
| 681 | case 12: // SGI only |
| 682 | { |
| 683 | int pixel = 0; |
| 684 | switch (b_o) |
| 685 | { |
| 686 | case RGB: pixel = ((r & 0xf0) << 4) | (g & 0xf0) | ((b & 0xf0) >> 4); break; |
| 687 | case RBG: pixel = ((r & 0xf0) << 4) | (b & 0xf0) | ((g & 0xf0) >> 4); break; |
| 688 | case GRB: pixel = ((g & 0xf0) << 4) | (r & 0xf0) | ((b & 0xf0) >> 4); break; |
| 689 | case GBR: pixel = ((g & 0xf0) << 4) | (b & 0xf0) | ((r & 0xf0) >> 4); break; |
| 690 | case BRG: pixel = ((b & 0xf0) << 4) | (r & 0xf0) | ((g & 0xf0) >> 4); break; |
| 691 | case BGR: pixel = ((b & 0xf0) << 4) | (g & 0xf0) | ((r & 0xf0) >> 4); break; |
| 692 | } |
| 693 | XPutPixel( data_image, x, y, pixel ); |
| 694 | break; |
| 695 | } |
| 696 | case 15: |
| 697 | { |
| 698 | int pixel = 0; |
| 699 | switch (b_o) |
| 700 | { |
| 701 | case RGB: pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3); break; |
| 702 | case RBG: pixel = ((r & 0xf8) << 7) | ((b & 0xf8) << 2) | ((g & 0xf8) >> 3); break; |
| 703 | case GRB: pixel = ((g & 0xf8) << 7) | ((r & 0xf8) << 2) | ((b & 0xf8) >> 3); break; |
| 704 | case GBR: pixel = ((g & 0xf8) << 7) | ((b & 0xf8) << 2) | ((r & 0xf8) >> 3); break; |
| 705 | case BRG: pixel = ((b & 0xf8) << 7) | ((r & 0xf8) << 2) | ((g & 0xf8) >> 3); break; |
| 706 | case BGR: pixel = ((b & 0xf8) << 7) | ((g & 0xf8) << 2) | ((r & 0xf8) >> 3); break; |
| 707 | } |
| 708 | XPutPixel( data_image, x, y, pixel ); |
| 709 | break; |
| 710 | } |
| 711 | case 16: |
| 712 | { |
| 713 | // I actually don't know if for 16-bit displays, it is alway the green |
| 714 | // component or the second component which has 6 bits. |
| 715 | int pixel = 0; |
| 716 | switch (b_o) |
| 717 | { |
| 718 | case RGB: pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3); break; |
| 719 | case RBG: pixel = ((r & 0xf8) << 8) | ((b & 0xfc) << 3) | ((g & 0xf8) >> 3); break; |
| 720 | case GRB: pixel = ((g & 0xf8) << 8) | ((r & 0xfc) << 3) | ((b & 0xf8) >> 3); break; |
| 721 | case GBR: pixel = ((g & 0xf8) << 8) | ((b & 0xfc) << 3) | ((r & 0xf8) >> 3); break; |
| 722 | case BRG: pixel = ((b & 0xf8) << 8) | ((r & 0xfc) << 3) | ((g & 0xf8) >> 3); break; |
| 723 | case BGR: pixel = ((b & 0xf8) << 8) | ((g & 0xfc) << 3) | ((r & 0xf8) >> 3); break; |
| 724 | } |
| 725 | XPutPixel( data_image, x, y, pixel ); |
| 726 | break; |
| 727 | } |
| 728 | case 32: |
| 729 | case 24: |
| 730 | { |
| 731 | int pixel = 0; |
| 732 | switch (b_o) |
| 733 | { |
| 734 | case RGB: pixel = (r << 16) | (g << 8) | b; break; |
| 735 | case RBG: pixel = (r << 16) | (b << 8) | g; break; |
| 736 | case BRG: pixel = (b << 16) | (r << 8) | g; break; |
| 737 | case BGR: pixel = (b << 16) | (g << 8) | r; break; |
| 738 | case GRB: pixel = (g << 16) | (r << 8) | b; break; |
| 739 | case GBR: pixel = (g << 16) | (b << 8) | r; break; |
| 740 | } |
| 741 | XPutPixel( data_image, x, y, pixel ); |
| 742 | } |
| 743 | default: break; |
| 744 | } |
| 745 | } // for |
| 746 | } // for |
| 747 | |
| 748 | // Blit picture |
| 749 | |
| 750 | GC gc = XCreateGC( xdisplay, (Pixmap) M_BMPDATA->m_pixmap, 0, NULL ); |
| 751 | XPutImage( xdisplay, (Pixmap) M_BMPDATA->m_pixmap, gc, data_image, 0, 0, 0, 0, width, height ); |
| 752 | XDestroyImage( data_image ); |
| 753 | XFreeGC( xdisplay, gc ); |
| 754 | |
| 755 | // Blit mask |
| 756 | |
| 757 | if (image.HasMask()) |
| 758 | { |
| 759 | GC gc = XCreateGC( xdisplay, (Pixmap) GetMask()->GetBitmap(), 0, NULL ); |
| 760 | XPutImage( xdisplay, (Pixmap) GetMask()->GetBitmap(), gc, mask_image, 0, 0, 0, 0, width, height ); |
| 761 | |
| 762 | XDestroyImage( mask_image ); |
| 763 | XFreeGC( xdisplay, gc ); |
| 764 | } |
| 765 | } |
| 766 | |
| 767 | return true; |
| 768 | #endif |
| 769 | // wxUSE_NANOX |
| 770 | } |
| 771 | |
| 772 | wxImage wxBitmap::ConvertToImage() const |
| 773 | { |
| 774 | wxImage image; |
| 775 | |
| 776 | wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") ); |
| 777 | |
| 778 | Display *xdisplay = (Display*) M_BMPDATA->m_display; |
| 779 | wxASSERT_MSG( xdisplay, wxT("No display") ); |
| 780 | |
| 781 | #if wxUSE_NANOX |
| 782 | //int bpp = DefaultDepth(xdisplay, xscreen); |
| 783 | wxGetImageFromDrawable((Pixmap) GetPixmap(), 0, 0, GetWidth(), GetHeight(), image); |
| 784 | return image; |
| 785 | #else |
| 786 | // !wxUSE_NANOX |
| 787 | int bpp = wxTheApp->GetVisualInfo(M_BMPDATA->m_display)->m_visualDepth; |
| 788 | XImage *x_image = NULL; |
| 789 | if (GetPixmap()) |
| 790 | { |
| 791 | x_image = XGetImage( xdisplay, (Pixmap) GetPixmap(), |
| 792 | 0, 0, |
| 793 | GetWidth(), GetHeight(), |
| 794 | AllPlanes, ZPixmap ); |
| 795 | } else |
| 796 | if (GetBitmap()) |
| 797 | { |
| 798 | x_image = XGetImage( xdisplay, (Pixmap) GetBitmap(), |
| 799 | 0, 0, |
| 800 | GetWidth(), GetHeight(), |
| 801 | AllPlanes, ZPixmap ); |
| 802 | } else |
| 803 | { |
| 804 | wxFAIL_MSG( wxT("Ill-formed bitmap") ); |
| 805 | } |
| 806 | |
| 807 | wxCHECK_MSG( x_image, wxNullImage, wxT("couldn't create image") ); |
| 808 | |
| 809 | image.Create( GetWidth(), GetHeight() ); |
| 810 | char unsigned *data = image.GetData(); |
| 811 | |
| 812 | if (!data) |
| 813 | { |
| 814 | XDestroyImage( x_image ); |
| 815 | wxFAIL_MSG( wxT("couldn't create image") ); |
| 816 | return wxNullImage; |
| 817 | } |
| 818 | |
| 819 | XImage *x_image_mask = NULL; |
| 820 | if (GetMask()) |
| 821 | { |
| 822 | x_image_mask = XGetImage( xdisplay, (Pixmap) GetMask()->GetBitmap(), |
| 823 | 0, 0, |
| 824 | GetWidth(), GetHeight(), |
| 825 | AllPlanes, ZPixmap ); |
| 826 | |
| 827 | image.SetMaskColour( 16, 16, 16 ); // anything unlikely and dividable |
| 828 | } |
| 829 | |
| 830 | int red_shift_right = 0; |
| 831 | int green_shift_right = 0; |
| 832 | int blue_shift_right = 0; |
| 833 | int red_shift_left = 0; |
| 834 | int green_shift_left = 0; |
| 835 | int blue_shift_left = 0; |
| 836 | bool use_shift = false; |
| 837 | |
| 838 | if (GetPixmap()) |
| 839 | { |
| 840 | wxXVisualInfo* vi = wxTheApp->GetVisualInfo(M_BMPDATA->m_display); |
| 841 | |
| 842 | red_shift_right = vi->m_visualRedShift; |
| 843 | red_shift_left = 8 - vi->m_visualRedPrec; |
| 844 | green_shift_right = vi->m_visualGreenShift; |
| 845 | green_shift_left = 8 - vi->m_visualGreenPrec; |
| 846 | blue_shift_right = vi->m_visualBlueShift; |
| 847 | blue_shift_left = 8 - vi->m_visualBluePrec; |
| 848 | |
| 849 | use_shift = (vi->m_visualType == GrayScale) || |
| 850 | (vi->m_visualType != PseudoColor); |
| 851 | } |
| 852 | |
| 853 | if (GetBitmap()) |
| 854 | { |
| 855 | bpp = 1; |
| 856 | } |
| 857 | |
| 858 | XColor *colors = (XColor*)wxTheApp-> |
| 859 | GetVisualInfo(M_BMPDATA->m_display)->m_visualColormap; |
| 860 | |
| 861 | int width = GetWidth(); |
| 862 | int height = GetHeight(); |
| 863 | long pos = 0; |
| 864 | for (int j = 0; j < height; j++) |
| 865 | { |
| 866 | for (int i = 0; i < width; i++) |
| 867 | { |
| 868 | unsigned long pixel = XGetPixel( x_image, i, j ); |
| 869 | if (bpp == 1) |
| 870 | { |
| 871 | if (pixel == 0) |
| 872 | { |
| 873 | data[pos] = 0; |
| 874 | data[pos+1] = 0; |
| 875 | data[pos+2] = 0; |
| 876 | } |
| 877 | else |
| 878 | { |
| 879 | data[pos] = 255; |
| 880 | data[pos+1] = 255; |
| 881 | data[pos+2] = 255; |
| 882 | } |
| 883 | } |
| 884 | else if (use_shift) |
| 885 | { |
| 886 | data[pos] = (unsigned char)((pixel >> red_shift_right) << red_shift_left); |
| 887 | data[pos+1] = (unsigned char)((pixel >> green_shift_right) << green_shift_left); |
| 888 | data[pos+2] = (unsigned char)((pixel >> blue_shift_right) << blue_shift_left); |
| 889 | } |
| 890 | else if (colors) |
| 891 | { |
| 892 | data[pos] = (unsigned char)(colors[pixel].red >> 8); |
| 893 | data[pos+1] = (unsigned char)(colors[pixel].green >> 8); |
| 894 | data[pos+2] = (unsigned char)(colors[pixel].blue >> 8); |
| 895 | } |
| 896 | else |
| 897 | { |
| 898 | wxFAIL_MSG( wxT("Image conversion failed. Unknown visual type.") ); |
| 899 | } |
| 900 | |
| 901 | if (x_image_mask) |
| 902 | { |
| 903 | int mask_pixel = XGetPixel( x_image_mask, i, j ); |
| 904 | if (mask_pixel == 0) |
| 905 | { |
| 906 | data[pos] = 16; |
| 907 | data[pos+1] = 16; |
| 908 | data[pos+2] = 16; |
| 909 | } |
| 910 | } |
| 911 | |
| 912 | pos += 3; |
| 913 | } |
| 914 | } |
| 915 | |
| 916 | XDestroyImage( x_image ); |
| 917 | if (x_image_mask) XDestroyImage( x_image_mask ); |
| 918 | return image; |
| 919 | #endif |
| 920 | // wxUSE_NANOX |
| 921 | } |
| 922 | |
| 923 | wxBitmap::wxBitmap( const wxString &filename, wxBitmapType type ) |
| 924 | { |
| 925 | LoadFile( filename, type ); |
| 926 | } |
| 927 | |
| 928 | wxBitmap::wxBitmap( const char bits[], int width, int height, int depth ) |
| 929 | { |
| 930 | m_refData = new wxBitmapRefData; |
| 931 | |
| 932 | (void) Create(bits, wxBITMAP_TYPE_XBM_DATA, width, height, depth); |
| 933 | } |
| 934 | |
| 935 | wxBitmap::~wxBitmap() |
| 936 | { |
| 937 | } |
| 938 | |
| 939 | int wxBitmap::GetHeight() const |
| 940 | { |
| 941 | wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") ); |
| 942 | |
| 943 | return M_BMPDATA->m_height; |
| 944 | } |
| 945 | |
| 946 | int wxBitmap::GetWidth() const |
| 947 | { |
| 948 | wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") ); |
| 949 | |
| 950 | return M_BMPDATA->m_width; |
| 951 | } |
| 952 | |
| 953 | int wxBitmap::GetDepth() const |
| 954 | { |
| 955 | wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") ); |
| 956 | |
| 957 | return M_BMPDATA->m_bpp; |
| 958 | } |
| 959 | |
| 960 | wxMask *wxBitmap::GetMask() const |
| 961 | { |
| 962 | wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") ); |
| 963 | |
| 964 | return M_BMPDATA->m_mask; |
| 965 | } |
| 966 | |
| 967 | void wxBitmap::SetMask( wxMask *mask ) |
| 968 | { |
| 969 | wxCHECK_RET( Ok(), wxT("invalid bitmap") ); |
| 970 | |
| 971 | AllocExclusive(); |
| 972 | if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask; |
| 973 | |
| 974 | M_BMPDATA->m_mask = mask; |
| 975 | } |
| 976 | |
| 977 | bool wxBitmap::CopyFromIcon(const wxIcon& icon) |
| 978 | { |
| 979 | *this = icon; |
| 980 | return true; |
| 981 | } |
| 982 | |
| 983 | wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const |
| 984 | { |
| 985 | wxCHECK_MSG( Ok() && |
| 986 | (rect.x >= 0) && (rect.y >= 0) && |
| 987 | (rect.x+rect.width <= M_BMPDATA->m_width ) && |
| 988 | (rect.y+rect.height <= M_BMPDATA->m_height), |
| 989 | wxNullBitmap, wxT("invalid bitmap or bitmap region") ); |
| 990 | |
| 991 | wxBitmap ret( rect.width, rect.height, M_BMPDATA->m_bpp ); |
| 992 | wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") ); |
| 993 | |
| 994 | if( GetMask() ) |
| 995 | { |
| 996 | wxMask* mask = new wxMask(); |
| 997 | mask->SetDisplay( GetMask()->GetDisplay() ); |
| 998 | mask->SetBitmap( wxGetSubPixmap( GetMask()->GetDisplay(), |
| 999 | GetMask()->GetBitmap(), |
| 1000 | rect.x, rect.y, |
| 1001 | rect.width, rect.height, |
| 1002 | 1 ) ); |
| 1003 | |
| 1004 | ret.SetMask( mask ); |
| 1005 | } |
| 1006 | |
| 1007 | if( GetPixmap() ) |
| 1008 | { |
| 1009 | ret.SetPixmap( wxGetSubPixmap( GetDisplay(), |
| 1010 | GetPixmap(), |
| 1011 | rect.x, rect.y, |
| 1012 | rect.width, rect.height, |
| 1013 | M_BMPDATA->m_bpp ) ); |
| 1014 | } |
| 1015 | |
| 1016 | if( GetBitmap() ) |
| 1017 | { |
| 1018 | ret.SetBitmap( wxGetSubPixmap( GetDisplay(), |
| 1019 | GetBitmap(), |
| 1020 | rect.x, rect.y, |
| 1021 | rect.width, rect.height, |
| 1022 | 1 ) ); |
| 1023 | } |
| 1024 | |
| 1025 | return ret; |
| 1026 | } |
| 1027 | |
| 1028 | bool wxBitmap::SaveFile( const wxString &name, wxBitmapType type, |
| 1029 | const wxPalette *palette ) const |
| 1030 | { |
| 1031 | wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") ); |
| 1032 | |
| 1033 | wxBitmapHandler *handler = FindHandler(type); |
| 1034 | |
| 1035 | // Try to save the bitmap via wxImage handlers: |
| 1036 | if (handler == NULL) |
| 1037 | { |
| 1038 | wxImage image(this->ConvertToImage()); |
| 1039 | if (image.Ok()) return image.SaveFile( name, type ); |
| 1040 | |
| 1041 | return false; |
| 1042 | } |
| 1043 | |
| 1044 | return handler->SaveFile(this, name, type, palette); |
| 1045 | } |
| 1046 | |
| 1047 | bool wxBitmap::LoadFile( const wxString &name, wxBitmapType type ) |
| 1048 | { |
| 1049 | UnRef(); |
| 1050 | |
| 1051 | if (!wxFileExists(name)) return false; |
| 1052 | |
| 1053 | wxBitmapHandler *handler = FindHandler(type); |
| 1054 | |
| 1055 | if (handler == NULL) |
| 1056 | { |
| 1057 | wxImage image; |
| 1058 | if (!image.LoadFile( name, type )) |
| 1059 | return false; |
| 1060 | |
| 1061 | if (image.Ok()) |
| 1062 | { |
| 1063 | *this = wxBitmap(image); |
| 1064 | return true; |
| 1065 | } |
| 1066 | else return false; |
| 1067 | } |
| 1068 | |
| 1069 | return handler->LoadFile(this, name, type, -1, -1); |
| 1070 | } |
| 1071 | |
| 1072 | void wxBitmap::SetPalette(const wxPalette& palette) |
| 1073 | { |
| 1074 | wxCHECK_RET(Ok(), wxT("invalid bitmap")); |
| 1075 | wxCHECK_RET(GetDepth() > 1 && GetDepth() <= 8, |
| 1076 | wxT("cannot set palette for bitmap of this depth")); |
| 1077 | |
| 1078 | AllocExclusive(); |
| 1079 | delete M_BMPDATA->m_palette; |
| 1080 | M_BMPDATA->m_palette = NULL; |
| 1081 | |
| 1082 | if (!palette.Ok()) return; |
| 1083 | |
| 1084 | M_BMPDATA->m_palette = new wxPalette(palette); |
| 1085 | } |
| 1086 | |
| 1087 | wxPalette *wxBitmap::GetPalette() const |
| 1088 | { |
| 1089 | if (!Ok()) return (wxPalette *) NULL; |
| 1090 | |
| 1091 | return M_BMPDATA->m_palette; |
| 1092 | } |
| 1093 | |
| 1094 | void wxBitmap::SetHeight( int height ) |
| 1095 | { |
| 1096 | AllocExclusive(); |
| 1097 | |
| 1098 | M_BMPDATA->m_height = height; |
| 1099 | } |
| 1100 | |
| 1101 | void wxBitmap::SetWidth( int width ) |
| 1102 | { |
| 1103 | AllocExclusive(); |
| 1104 | |
| 1105 | M_BMPDATA->m_width = width; |
| 1106 | } |
| 1107 | |
| 1108 | void wxBitmap::SetDepth( int depth ) |
| 1109 | { |
| 1110 | AllocExclusive(); |
| 1111 | |
| 1112 | M_BMPDATA->m_bpp = depth; |
| 1113 | } |
| 1114 | |
| 1115 | void wxBitmap::SetPixmap( WXPixmap pixmap ) |
| 1116 | { |
| 1117 | if (!m_refData) m_refData = new wxBitmapRefData(); |
| 1118 | |
| 1119 | M_BMPDATA->m_pixmap = (Pixmap)pixmap; |
| 1120 | } |
| 1121 | |
| 1122 | void wxBitmap::SetBitmap( WXPixmap bitmap ) |
| 1123 | { |
| 1124 | if (!m_refData) m_refData = new wxBitmapRefData(); |
| 1125 | |
| 1126 | M_BMPDATA->m_bitmap = (Pixmap)bitmap; |
| 1127 | } |
| 1128 | |
| 1129 | WXPixmap wxBitmap::GetPixmap() const |
| 1130 | { |
| 1131 | wxCHECK_MSG( Ok(), (WXPixmap) NULL, wxT("invalid bitmap") ); |
| 1132 | |
| 1133 | return (WXPixmap)M_BMPDATA->m_pixmap; |
| 1134 | } |
| 1135 | |
| 1136 | WXPixmap wxBitmap::GetBitmap() const |
| 1137 | { |
| 1138 | wxCHECK_MSG( Ok(), (WXPixmap) NULL, wxT("invalid bitmap") ); |
| 1139 | |
| 1140 | return (WXPixmap)M_BMPDATA->m_bitmap; |
| 1141 | } |
| 1142 | |
| 1143 | WXPixmap wxBitmap::GetDrawable() const |
| 1144 | { |
| 1145 | wxCHECK_MSG( Ok(), (WXPixmap) NULL, wxT("invalid bitmap") ); |
| 1146 | |
| 1147 | return (WXPixmap)(M_BMPDATA->m_bpp == 1 ? M_BMPDATA->m_bitmap |
| 1148 | : M_BMPDATA->m_pixmap); |
| 1149 | } |
| 1150 | |
| 1151 | WXDisplay *wxBitmap::GetDisplay() const |
| 1152 | { |
| 1153 | wxCHECK_MSG( Ok(), (WXDisplay*) NULL, wxT("invalid bitmap") ); |
| 1154 | |
| 1155 | return M_BMPDATA->m_display; |
| 1156 | } |
| 1157 | |
| 1158 | #if wxUSE_NANOX |
| 1159 | // Copy from the drawable to the wxImage |
| 1160 | bool wxGetImageFromDrawable(GR_DRAW_ID drawable, int srcX, int srcY, int width, int height, wxImage& image) |
| 1161 | { |
| 1162 | GR_SCREEN_INFO sinfo; |
| 1163 | int x, y; |
| 1164 | GR_PIXELVAL *pixels; |
| 1165 | GR_PALETTE* palette = NULL; |
| 1166 | unsigned char rgb[3], *pp; |
| 1167 | |
| 1168 | GrGetScreenInfo(&sinfo); |
| 1169 | |
| 1170 | if (sinfo.pixtype == MWPF_PALETTE) { |
| 1171 | if(!(palette = (GR_PALETTE*) malloc(sizeof(GR_PALETTE)))) { |
| 1172 | return false; |
| 1173 | } |
| 1174 | GrGetSystemPalette(palette); |
| 1175 | } |
| 1176 | |
| 1177 | if(!(pixels = (GR_PIXELVAL*) malloc(sizeof(GR_PIXELVAL) * width * height))) |
| 1178 | { |
| 1179 | return false; |
| 1180 | } |
| 1181 | |
| 1182 | image.Create(width, height); |
| 1183 | |
| 1184 | GrReadArea(drawable, srcX, srcY, width, height, |
| 1185 | pixels); |
| 1186 | |
| 1187 | |
| 1188 | for(x = 0; x < sinfo.cols; x++) { |
| 1189 | |
| 1190 | pp = (unsigned char *)pixels + |
| 1191 | ((x + (y * sinfo.cols)) * |
| 1192 | sizeof(GR_PIXELVAL)); |
| 1193 | |
| 1194 | switch(sinfo.pixtype) { |
| 1195 | /* FIXME: These may need modifying on big endian. */ |
| 1196 | case MWPF_TRUECOLOR0888: |
| 1197 | case MWPF_TRUECOLOR888: |
| 1198 | rgb[0] = pp[2]; |
| 1199 | rgb[1] = pp[1]; |
| 1200 | rgb[2] = pp[0]; |
| 1201 | break; |
| 1202 | case MWPF_PALETTE: |
| 1203 | rgb[0] = palette->palette[pp[0]].r; |
| 1204 | rgb[1] = palette->palette[pp[0]].g; |
| 1205 | rgb[2] = palette->palette[pp[0]].b; |
| 1206 | break; |
| 1207 | case MWPF_TRUECOLOR565: |
| 1208 | rgb[0] = pp[1] & 0xf8; |
| 1209 | rgb[1] = ((pp[1] & 0x07) << 5) | |
| 1210 | ((pp[0] & 0xe0) >> 3); |
| 1211 | rgb[2] = (pp[0] & 0x1f) << 3; |
| 1212 | break; |
| 1213 | case MWPF_TRUECOLOR555: |
| 1214 | rgb[0] = (pp[1] & 0x7c) << 1; |
| 1215 | rgb[1] = ((pp[1] & 0x03) << 6) | |
| 1216 | ((pp[0] & 0xe0) >> 2); |
| 1217 | rgb[2] = (pp[0] & 0x1f) << 3; |
| 1218 | break; |
| 1219 | case MWPF_TRUECOLOR332: |
| 1220 | rgb[0] = pp[0] & 0xe0; |
| 1221 | rgb[1] = (pp[0] & 0x1c) << 3; |
| 1222 | rgb[2] = (pp[0] & 0x03) << 6; |
| 1223 | break; |
| 1224 | default: |
| 1225 | fprintf(stderr, "Unsupported pixel " |
| 1226 | "format\n"); |
| 1227 | return 1; |
| 1228 | } |
| 1229 | |
| 1230 | image.SetRGB(x, y, rgb[0], rgb[1], rgb[2]); |
| 1231 | |
| 1232 | } |
| 1233 | |
| 1234 | free(pixels); |
| 1235 | if(palette) free(palette); |
| 1236 | |
| 1237 | return true; |
| 1238 | } |
| 1239 | |
| 1240 | #if 0 |
| 1241 | int GrGetPixelColor(GR_SCREEN_INFO* sinfo, GR_PALETTE* palette, GR_PIXELVAL pixel, |
| 1242 | unsigned char* red, unsigned char* green, unsigned char* blue) |
| 1243 | { |
| 1244 | unsigned char rgb[3], *pp; |
| 1245 | |
| 1246 | pp = (unsigned char*) & pixel ; |
| 1247 | |
| 1248 | switch (sinfo.pixtype) |
| 1249 | { |
| 1250 | /* FIXME: These may need modifying on big endian. */ |
| 1251 | case MWPF_TRUECOLOR0888: |
| 1252 | case MWPF_TRUECOLOR888: |
| 1253 | rgb[0] = pp[2]; |
| 1254 | rgb[1] = pp[1]; |
| 1255 | rgb[2] = pp[0]; |
| 1256 | break; |
| 1257 | case MWPF_PALETTE: |
| 1258 | rgb[0] = palette->palette[pp[0]].r; |
| 1259 | rgb[1] = palette->palette[pp[0]].g; |
| 1260 | rgb[2] = palette->palette[pp[0]].b; |
| 1261 | break; |
| 1262 | case MWPF_TRUECOLOR565: |
| 1263 | rgb[0] = pp[1] & 0xf8; |
| 1264 | rgb[1] = ((pp[1] & 0x07) << 5) | |
| 1265 | ((pp[0] & 0xe0) >> 3); |
| 1266 | rgb[2] = (pp[0] & 0x1f) << 3; |
| 1267 | break; |
| 1268 | case MWPF_TRUECOLOR555: |
| 1269 | rgb[0] = (pp[1] & 0x7c) << 1; |
| 1270 | rgb[1] = ((pp[1] & 0x03) << 6) | |
| 1271 | ((pp[0] & 0xe0) >> 2); |
| 1272 | rgb[2] = (pp[0] & 0x1f) << 3; |
| 1273 | break; |
| 1274 | case MWPF_TRUECOLOR332: |
| 1275 | rgb[0] = pp[0] & 0xe0; |
| 1276 | rgb[1] = (pp[0] & 0x1c) << 3; |
| 1277 | rgb[2] = (pp[0] & 0x03) << 6; |
| 1278 | break; |
| 1279 | default: |
| 1280 | fprintf(stderr, "Unsupported pixel format\n"); |
| 1281 | return 0; |
| 1282 | } |
| 1283 | |
| 1284 | |
| 1285 | *(red) = rgb[0]; |
| 1286 | *(green) = rgb[1]; |
| 1287 | *(blue) = rgb[2]; |
| 1288 | return 1; |
| 1289 | } |
| 1290 | #endif |
| 1291 | |
| 1292 | #endif |
| 1293 | // wxUSE_NANOX |
| 1294 | |
| 1295 | // ============================================================================ |
| 1296 | // Bitmap handlers |
| 1297 | // ============================================================================ |
| 1298 | |
| 1299 | IMPLEMENT_ABSTRACT_CLASS(wxBitmapHandler, wxBitmapHandlerBase) |
| 1300 | |
| 1301 | #define M_BMPHANDLERDATA ((wxBitmapRefData *)bitmap->GetRefData()) |
| 1302 | |
| 1303 | #if wxUSE_XPM |
| 1304 | |
| 1305 | #if wxHAVE_LIB_XPM || wxUSE_STREAMS |
| 1306 | |
| 1307 | // ---------------------------------------------------------------------------- |
| 1308 | // wxXPMFileHandler |
| 1309 | // ---------------------------------------------------------------------------- |
| 1310 | |
| 1311 | class wxXPMFileHandler : public wxBitmapHandler |
| 1312 | { |
| 1313 | DECLARE_DYNAMIC_CLASS(wxXPMFileHandler) |
| 1314 | public: |
| 1315 | wxXPMFileHandler() |
| 1316 | { |
| 1317 | SetName( wxT("XPM file") ); |
| 1318 | SetExtension( wxT("xpm") ); |
| 1319 | SetType( wxBITMAP_TYPE_XPM ); |
| 1320 | }; |
| 1321 | |
| 1322 | virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags, |
| 1323 | int desiredWidth, int desiredHeight); |
| 1324 | |
| 1325 | virtual bool SaveFile(const wxBitmap *bitmap, const wxString& name, |
| 1326 | int type, const wxPalette *palette = NULL); |
| 1327 | |
| 1328 | virtual bool Create(wxBitmap *WXUNUSED(bitmap), const void* WXUNUSED(data), long WXUNUSED(flags), |
| 1329 | int WXUNUSED(width), int WXUNUSED(height), int WXUNUSED(depth) = 1) |
| 1330 | { return false; } |
| 1331 | }; |
| 1332 | |
| 1333 | IMPLEMENT_DYNAMIC_CLASS(wxXPMFileHandler, wxBitmapHandler) |
| 1334 | |
| 1335 | bool wxXPMFileHandler::LoadFile(wxBitmap *bitmap, const wxString& name, |
| 1336 | long WXUNUSED(flags), int WXUNUSED(desiredWidth), |
| 1337 | int WXUNUSED(desiredHeight)) |
| 1338 | { |
| 1339 | #if wxHAVE_LIB_XPM |
| 1340 | if (!bitmap->GetRefData()) |
| 1341 | bitmap->SetRefData( new wxBitmapRefData() ); |
| 1342 | |
| 1343 | M_BMPHANDLERDATA->m_display = wxGlobalDisplay(); |
| 1344 | |
| 1345 | Display *xdisplay = (Display*) M_BMPHANDLERDATA->m_display; |
| 1346 | |
| 1347 | int xscreen = DefaultScreen( xdisplay ); |
| 1348 | Window xroot = RootWindow( xdisplay, xscreen ); |
| 1349 | |
| 1350 | int bpp = DefaultDepth( xdisplay, xscreen ); |
| 1351 | |
| 1352 | XpmAttributes xpmAttr; |
| 1353 | xpmAttr.valuemask = XpmReturnInfos; // nothing yet, but get infos back |
| 1354 | |
| 1355 | Pixmap pixmap; |
| 1356 | Pixmap mask = 0; |
| 1357 | |
| 1358 | int ErrorStatus = XpmReadFileToPixmap( xdisplay, xroot, |
| 1359 | (char*) ((const char*) name.c_str()), |
| 1360 | &pixmap, &mask, &xpmAttr); |
| 1361 | |
| 1362 | if (ErrorStatus == XpmSuccess) |
| 1363 | { |
| 1364 | M_BMPHANDLERDATA->m_width = xpmAttr.width; |
| 1365 | M_BMPHANDLERDATA->m_height = xpmAttr.height; |
| 1366 | |
| 1367 | M_BMPHANDLERDATA->m_bpp = bpp; // mono as well? |
| 1368 | |
| 1369 | XpmFreeAttributes(&xpmAttr); |
| 1370 | |
| 1371 | M_BMPHANDLERDATA->m_bitmap = (Pixmap) pixmap; |
| 1372 | |
| 1373 | if (mask) |
| 1374 | { |
| 1375 | M_BMPHANDLERDATA->m_mask = new wxMask; |
| 1376 | M_BMPHANDLERDATA->m_mask->SetBitmap( (WXPixmap) mask ); |
| 1377 | M_BMPHANDLERDATA->m_mask->SetDisplay( xdisplay ); |
| 1378 | } |
| 1379 | } |
| 1380 | else |
| 1381 | { |
| 1382 | UnRef(); |
| 1383 | |
| 1384 | return false; |
| 1385 | } |
| 1386 | |
| 1387 | return true; |
| 1388 | #elif wxUSE_STREAMS |
| 1389 | wxXPMDecoder decoder; |
| 1390 | wxFileInputStream stream(name); |
| 1391 | if (stream.Ok()) |
| 1392 | { |
| 1393 | wxImage image(decoder.ReadFile(stream)); |
| 1394 | return image.Ok() && bitmap->CreateFromImage(image); |
| 1395 | } |
| 1396 | |
| 1397 | return false; |
| 1398 | #else // !wxHAVE_LIB_XPM && !wxUSE_STREAMS |
| 1399 | return false; |
| 1400 | #endif // wxHAVE_LIB_XPM / wxUSE_STREAMS |
| 1401 | } |
| 1402 | |
| 1403 | bool wxXPMFileHandler::SaveFile(const wxBitmap *bitmap, const wxString& name, |
| 1404 | int type, |
| 1405 | const wxPalette *WXUNUSED(palette)) |
| 1406 | { |
| 1407 | wxImage image(bitmap->ConvertToImage()); |
| 1408 | if (image.Ok()) return image.SaveFile( name, (wxBitmapType)type ); |
| 1409 | |
| 1410 | return false; |
| 1411 | } |
| 1412 | |
| 1413 | #endif // wxHAVE_LIB_XPM || wxUSE_STREAMS |
| 1414 | |
| 1415 | // ---------------------------------------------------------------------------- |
| 1416 | // wxXPMDataHandler |
| 1417 | // ---------------------------------------------------------------------------- |
| 1418 | |
| 1419 | class wxXPMDataHandler : public wxBitmapHandler |
| 1420 | { |
| 1421 | DECLARE_DYNAMIC_CLASS(wxXPMDataHandler) |
| 1422 | public: |
| 1423 | wxXPMDataHandler() |
| 1424 | { |
| 1425 | SetName( wxT("XPM data") ); |
| 1426 | SetExtension( wxT("xpm") ); |
| 1427 | SetType( wxBITMAP_TYPE_XPM_DATA ); |
| 1428 | }; |
| 1429 | |
| 1430 | virtual bool LoadFile(wxBitmap *WXUNUSED(bitmap), |
| 1431 | const wxString& WXUNUSED(name), |
| 1432 | long WXUNUSED(flags), |
| 1433 | int WXUNUSED(desiredWidth), |
| 1434 | int WXUNUSED(desiredHeight)) |
| 1435 | { return false; } |
| 1436 | |
| 1437 | virtual bool SaveFile(const wxBitmap *WXUNUSED(bitmap), |
| 1438 | const wxString& WXUNUSED(name), |
| 1439 | int WXUNUSED(type), |
| 1440 | const wxPalette *WXUNUSED(palette) = NULL) |
| 1441 | { return false; } |
| 1442 | |
| 1443 | virtual bool Create(wxBitmap *bitmap, const void* data, long flags, |
| 1444 | int width, int height, int depth = 1); |
| 1445 | }; |
| 1446 | |
| 1447 | IMPLEMENT_DYNAMIC_CLASS(wxXPMDataHandler, wxBitmapHandler) |
| 1448 | |
| 1449 | bool wxXPMDataHandler::Create(wxBitmap *bitmap, const void* bits, |
| 1450 | long WXUNUSED(flags), |
| 1451 | int WXUNUSED(width), int WXUNUSED(height), int WXUNUSED(depth)) |
| 1452 | { |
| 1453 | #if wxHAVE_LIB_XPM |
| 1454 | wxCHECK_MSG( bits != NULL, false, wxT("invalid bitmap data") ); |
| 1455 | |
| 1456 | if (!bitmap->GetRefData()) |
| 1457 | bitmap->SetRefData( new wxBitmapRefData() ); |
| 1458 | |
| 1459 | M_BMPHANDLERDATA->m_display = wxGlobalDisplay(); |
| 1460 | |
| 1461 | Display *xdisplay = (Display*) M_BMPHANDLERDATA->m_display; |
| 1462 | |
| 1463 | int xscreen = DefaultScreen( xdisplay ); |
| 1464 | Window xroot = RootWindow( xdisplay, xscreen ); |
| 1465 | |
| 1466 | int bpp = DefaultDepth( xdisplay, xscreen ); |
| 1467 | |
| 1468 | XpmAttributes xpmAttr; |
| 1469 | xpmAttr.valuemask = XpmReturnInfos; // nothing yet, but get infos back |
| 1470 | |
| 1471 | Pixmap pixmap = 0; |
| 1472 | Pixmap mask = 0; |
| 1473 | |
| 1474 | int ErrorStatus = XpmCreatePixmapFromData( xdisplay, xroot, (char**) bits, |
| 1475 | &pixmap, &mask, &xpmAttr ); |
| 1476 | |
| 1477 | if (ErrorStatus == XpmSuccess) |
| 1478 | { |
| 1479 | M_BMPHANDLERDATA->m_width = xpmAttr.width; |
| 1480 | M_BMPHANDLERDATA->m_height = xpmAttr.height; |
| 1481 | |
| 1482 | M_BMPHANDLERDATA->m_bpp = bpp; // mono as well? |
| 1483 | |
| 1484 | #if __WXDEBUG__ |
| 1485 | unsigned int depthRet; |
| 1486 | int xRet, yRet; |
| 1487 | unsigned int widthRet, heightRet, borderWidthRet; |
| 1488 | XGetGeometry( xdisplay, pixmap, &xroot, &xRet, &yRet, |
| 1489 | &widthRet, &heightRet, &borderWidthRet, &depthRet); |
| 1490 | |
| 1491 | wxASSERT_MSG( bpp == (int)depthRet, wxT("colour depth mismatch") ); |
| 1492 | #endif |
| 1493 | |
| 1494 | XpmFreeAttributes(&xpmAttr); |
| 1495 | |
| 1496 | M_BMPHANDLERDATA->m_pixmap = (Pixmap) pixmap; |
| 1497 | |
| 1498 | if (mask) |
| 1499 | { |
| 1500 | M_BMPHANDLERDATA->m_mask = new wxMask; |
| 1501 | M_BMPHANDLERDATA->m_mask->SetBitmap( (WXPixmap) mask ); |
| 1502 | M_BMPHANDLERDATA->m_mask->SetDisplay( xdisplay ); |
| 1503 | } |
| 1504 | return true; |
| 1505 | } |
| 1506 | else |
| 1507 | { |
| 1508 | bitmap->UnRef(); |
| 1509 | |
| 1510 | return false; |
| 1511 | } |
| 1512 | #else // !wxHAVE_LIB_XPM |
| 1513 | wxXPMDecoder decoder; |
| 1514 | wxImage image(decoder.ReadData((const char **)bits)); |
| 1515 | return image.Ok() && bitmap->CreateFromImage(image); |
| 1516 | #endif // wxHAVE_LIB_XPM/!wxHAVE_LIB_XPM |
| 1517 | } |
| 1518 | |
| 1519 | #endif // wxUSE_XPM |
| 1520 | |
| 1521 | // ---------------------------------------------------------------------------- |
| 1522 | // wxXBMDataHandler |
| 1523 | // ---------------------------------------------------------------------------- |
| 1524 | |
| 1525 | class WXDLLEXPORT wxXBMDataHandler: public wxBitmapHandler |
| 1526 | { |
| 1527 | DECLARE_DYNAMIC_CLASS(wxXBMDataHandler) |
| 1528 | public: |
| 1529 | inline wxXBMDataHandler() |
| 1530 | { |
| 1531 | SetName( wxT("XBM data") ); |
| 1532 | SetExtension( wxT("xbm") ); |
| 1533 | SetType( wxBITMAP_TYPE_XBM_DATA ); |
| 1534 | }; |
| 1535 | |
| 1536 | virtual bool LoadFile(wxBitmap *WXUNUSED(bitmap), |
| 1537 | const wxString& WXUNUSED(name), |
| 1538 | long WXUNUSED(flags), |
| 1539 | int WXUNUSED(desiredWidth), |
| 1540 | int WXUNUSED(desiredHeight)) |
| 1541 | { return false; } |
| 1542 | |
| 1543 | virtual bool SaveFile(const wxBitmap *WXUNUSED(bitmap), |
| 1544 | const wxString& WXUNUSED(name), |
| 1545 | int WXUNUSED(type), |
| 1546 | const wxPalette *WXUNUSED(palette) = NULL) |
| 1547 | { return false; } |
| 1548 | |
| 1549 | virtual bool Create(wxBitmap *bitmap, const void* data, long flags, |
| 1550 | int width, int height, int depth = 1); |
| 1551 | }; |
| 1552 | |
| 1553 | IMPLEMENT_DYNAMIC_CLASS(wxXBMDataHandler, wxBitmapHandler) |
| 1554 | |
| 1555 | bool wxXBMDataHandler::Create( wxBitmap *bitmap, const void* bits, |
| 1556 | long WXUNUSED(flags), |
| 1557 | int width, int height, int WXUNUSED(depth)) |
| 1558 | { |
| 1559 | #if !wxUSE_NANOX |
| 1560 | if (!bitmap->GetRefData()) |
| 1561 | bitmap->SetRefData( new wxBitmapRefData() ); |
| 1562 | |
| 1563 | M_BMPHANDLERDATA->m_display = wxGlobalDisplay(); |
| 1564 | |
| 1565 | Display *xdisplay = (Display*) M_BMPHANDLERDATA->m_display; |
| 1566 | |
| 1567 | int xscreen = DefaultScreen( xdisplay ); |
| 1568 | Window xroot = RootWindow( xdisplay, xscreen ); |
| 1569 | |
| 1570 | M_BMPHANDLERDATA->m_mask = (wxMask *) NULL; |
| 1571 | M_BMPHANDLERDATA->m_bitmap = |
| 1572 | XCreateBitmapFromData(xdisplay, xroot, |
| 1573 | (char *) bits, width, height ); |
| 1574 | M_BMPHANDLERDATA->m_width = width; |
| 1575 | M_BMPHANDLERDATA->m_height = height; |
| 1576 | M_BMPHANDLERDATA->m_bpp = 1; |
| 1577 | |
| 1578 | return true; |
| 1579 | #else |
| 1580 | wxCHECK_MSG( M_BMPHANDLERDATA->m_bitmap, false, |
| 1581 | wxT("couldn't create bitmap") ); |
| 1582 | #endif |
| 1583 | } |
| 1584 | |
| 1585 | void wxBitmap::InitStandardHandlers() |
| 1586 | { |
| 1587 | AddHandler(new wxXBMDataHandler); |
| 1588 | #if wxUSE_XPM |
| 1589 | #if wxHAVE_LIB_XPM || wxUSE_STREAMS |
| 1590 | AddHandler(new wxXPMFileHandler); |
| 1591 | #endif |
| 1592 | AddHandler(new wxXPMDataHandler); |
| 1593 | #endif |
| 1594 | } |