dlls/winex11.drv/bitmap.c

   1 /*
   2  * X11DRV bitmap objects
   3  *
   4  * Copyright 1993 Alexandre Julliard
   5  *           1999 Noel Borthwick
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include "config.h"
  23
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include "windef.h"
  27 #include "wingdi.h"
  28 #include "wine/debug.h"
  29 #include "x11drv.h"
  30
  31 WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
  32
  33   /* GCs used for B&W and color bitmap operations */
  34 static GC bitmap_gc[32];
  35 X_PHYSBITMAP BITMAP_stock_phys_bitmap = { 0 };  /* phys bitmap for the default stock bitmap */
  36
  37 static XContext bitmap_context;  /* X context to associate a phys bitmap to a handle */
  38
  39 GC get_bitmap_gc(int depth)
  40 {
  41     if(depth < 1 || depth > 32)
  42         return 0;
  43
  44     return bitmap_gc[depth-1];
  45 }
  46
  47 /***********************************************************************
  48  *           X11DRV_BITMAP_Init
  49  */
  50 void X11DRV_BITMAP_Init(void)
  51 {
  52     int depth_count, index, i;
  53     int *depth_list;
  54     Pixmap tmpPixmap;
  55
  56     wine_tsx11_lock();
  57     bitmap_context = XUniqueContext();
  58     BITMAP_stock_phys_bitmap.pixmap_depth = 1;
  59     BITMAP_stock_phys_bitmap.pixmap = XCreatePixmap( gdi_display, root_window, 1, 1, 1 );
  60     bitmap_gc[0] = XCreateGC( gdi_display, BITMAP_stock_phys_bitmap.pixmap, 0, NULL );
  61     XSetGraphicsExposures( gdi_display, bitmap_gc[0], False );
  62     XSetSubwindowMode( gdi_display, bitmap_gc[0], IncludeInferiors );
  63
  64     /* Create a GC for all available depths. GCs at depths other than 1-bit/screen_depth are for use
  65      * in combination with XRender which allows us to create dibsections at more depths.
  66      */
  67     depth_list = XListDepths(gdi_display, DefaultScreen(gdi_display), &depth_count);
  68     for (i = 0; i < depth_count; i++)
  69     {
  70         index = depth_list[i] - 1;
  71         if (bitmap_gc[index]) continue;
  72         if ((tmpPixmap = XCreatePixmap( gdi_display, root_window, 1, 1, depth_list[i])))
  73         {
  74             if ((bitmap_gc[index] = XCreateGC( gdi_display, tmpPixmap, 0, NULL )))
  75             {
  76                 XSetGraphicsExposures( gdi_display, bitmap_gc[index], False );
  77                 XSetSubwindowMode( gdi_display, bitmap_gc[index], IncludeInferiors );
  78             }
  79             XFreePixmap( gdi_display, tmpPixmap );
  80         }
  81     }
  82     XFree( depth_list );
  83
  84     wine_tsx11_unlock();
  85 }
  86
  87 /***********************************************************************
  88  *           SelectBitmap   (X11DRV.@)
  89  */
  90 HBITMAP CDECL X11DRV_SelectBitmap( X11DRV_PDEVICE *physDev, HBITMAP hbitmap )
  91 {
  92     X_PHYSBITMAP *physBitmap;
  93     BITMAP bitmap;
  94
  95     if (!GetObjectW( hbitmap, sizeof(bitmap), &bitmap )) return 0;
  96
  97     if(physDev->xrender)
  98         X11DRV_XRender_UpdateDrawable( physDev );
  99
 100     if (hbitmap == BITMAP_stock_phys_bitmap.hbitmap) physBitmap = &BITMAP_stock_phys_bitmap;
 101     else if (!(physBitmap = X11DRV_get_phys_bitmap( hbitmap ))) return 0;
 102
 103     physDev->bitmap = physBitmap;
 104     physDev->drawable = physBitmap->pixmap;
 105     physDev->color_shifts = physBitmap->trueColor ? &physBitmap->pixmap_color_shifts : NULL;
 106     SetRect( &physDev->drawable_rect, 0, 0, bitmap.bmWidth, bitmap.bmHeight );
 107     physDev->dc_rect = physDev->drawable_rect;
 108
 109       /* Change GC depth if needed */
 110
 111     if (physDev->depth != physBitmap->pixmap_depth)
 112     {
 113         physDev->depth = physBitmap->pixmap_depth;
 114         wine_tsx11_lock();
 115         XFreeGC( gdi_display, physDev->gc );
 116         physDev->gc = XCreateGC( gdi_display, physDev->drawable, 0, NULL );
 117         XSetGraphicsExposures( gdi_display, physDev->gc, False );
 118         XSetSubwindowMode( gdi_display, physDev->gc, IncludeInferiors );
 119         XFlush( gdi_display );
 120         wine_tsx11_unlock();
 121     }
 122
 123     return hbitmap;
 124 }
 125
 126
 127 /****************************************************************************
 128  *        CreateBitmap   (X11DRV.@)
 129  *
 130  * Create a device dependent X11 bitmap
 131  *
 132  * Returns TRUE on success else FALSE
 133  */
 134 BOOL CDECL X11DRV_CreateBitmap( X11DRV_PDEVICE *physDev, HBITMAP hbitmap, LPVOID bmBits )
 135 {
 136     X_PHYSBITMAP *physBitmap;
 137     BITMAP bitmap;
 138
 139     if (!GetObjectW( hbitmap, sizeof(bitmap), &bitmap )) return FALSE;
 140
 141       /* Check parameters */
 142     if (bitmap.bmPlanes != 1) return FALSE;
 143
 144     /* check if bpp is compatible with screen depth */
 145     if (!((bitmap.bmBitsPixel == 1) || (bitmap.bmBitsPixel == screen_bpp)))
 146     {
 147         WARN("Trying to make bitmap with planes=%d, bpp=%d\n",
 148             bitmap.bmPlanes, bitmap.bmBitsPixel);
 149         return FALSE;
 150     }
 151     if (hbitmap == BITMAP_stock_phys_bitmap.hbitmap)
 152     {
 153         ERR( "called for stock bitmap, please report\n" );
 154         return FALSE;
 155     }
 156
 157     TRACE("(%p) %dx%d %d bpp\n", hbitmap, bitmap.bmWidth, bitmap.bmHeight, bitmap.bmBitsPixel);
 158
 159     if (!(physBitmap = X11DRV_init_phys_bitmap( hbitmap ))) return FALSE;
 160
 161       /* Create the pixmap */
 162     wine_tsx11_lock();
 163     if(bitmap.bmBitsPixel == 1)
 164     {
 165         physBitmap->pixmap_depth = 1;
 166         physBitmap->trueColor = FALSE;
 167     }
 168     else
 169     {
 170         physBitmap->pixmap_depth = screen_depth;
 171         physBitmap->pixmap_color_shifts = X11DRV_PALETTE_default_shifts;
 172         physBitmap->trueColor = (visual->class == TrueColor || visual->class == DirectColor);
 173     }
 174     physBitmap->pixmap = XCreatePixmap(gdi_display, root_window,
 175                                        bitmap.bmWidth, bitmap.bmHeight, physBitmap->pixmap_depth);
 176     wine_tsx11_unlock();
 177     if (!physBitmap->pixmap)
 178     {
 179         WARN("Can't create Pixmap\n");
 180         HeapFree( GetProcessHeap(), 0, physBitmap );
 181         return FALSE;
 182     }
 183
 184     if (bmBits) /* Set bitmap bits */
 185     {
 186         X11DRV_SetBitmapBits( hbitmap, bmBits, bitmap.bmHeight * bitmap.bmWidthBytes );
 187     }
 188     else  /* else clear the bitmap */
 189     {
 190         GC gc = get_bitmap_gc(physBitmap->pixmap_depth);
 191         wine_tsx11_lock();
 192         XSetFunction( gdi_display, gc, GXclear );
 193         XFillRectangle( gdi_display, physBitmap->pixmap, gc, 0, 0,
 194                         bitmap.bmWidth, bitmap.bmHeight );
 195         XSetFunction( gdi_display, gc, GXcopy );
 196         wine_tsx11_unlock();
 197     }
 198     return TRUE;
 199 }
 200
 201
 202 /***********************************************************************
 203  *           GetBitmapBits   (X11DRV.@)
 204  *
 205  * RETURNS
 206  *    Success: Number of bytes copied
 207  *    Failure: 0
 208  */
 209 LONG CDECL X11DRV_GetBitmapBits( HBITMAP hbitmap, void *buffer, LONG count )
 210 {
 211     BITMAP bitmap;
 212     X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( hbitmap );
 213     LONG height;
 214     XImage *image;
 215     LPBYTE tbuf, startline;
 216     int h, w;
 217
 218     if (!physBitmap || !GetObjectW( hbitmap, sizeof(bitmap), &bitmap )) return 0;
 219
 220     TRACE("(bmp=%p, buffer=%p, count=0x%x)\n", hbitmap, buffer, count);
 221
 222     wine_tsx11_lock();
 223     height = count / bitmap.bmWidthBytes;
 224     image = XGetImage( gdi_display, physBitmap->pixmap, 0, 0,
 225                        bitmap.bmWidth, height, AllPlanes, ZPixmap );
 226
 227     /* copy XImage to 16 bit padded image buffer with real bitsperpixel */
 228
 229     startline = buffer;
 230     switch (bitmap.bmBitsPixel)
 231     {
 232     case 1:
 233         for (h=0;h<height;h++)
 234         {
 235             tbuf = startline;
 236             *tbuf = 0;
 237             for (w=0;w<bitmap.bmWidth;w++)
 238             {
 239                 if ((w%8) == 0)
 240                     *tbuf = 0;
 241                 *tbuf |= XGetPixel(image,w,h)<<(7-(w&7));
 242                 if ((w&7) == 7) ++tbuf;
 243             }
 244             startline += bitmap.bmWidthBytes;
 245         }
 246         break;
 247     case 4:
 248         for (h=0;h<height;h++)
 249         {
 250             tbuf = startline;
 251             for (w=0;w<bitmap.bmWidth;w++)
 252             {
 253                 if (!(w & 1)) *tbuf = XGetPixel( image, w, h) << 4;
 254                 else *tbuf++ |= XGetPixel( image, w, h) & 0x0f;
 255             }
 256             startline += bitmap.bmWidthBytes;
 257         }
 258         break;
 259     case 8:
 260         for (h=0;h<height;h++)
 261         {
 262             tbuf = startline;
 263             for (w=0;w<bitmap.bmWidth;w++)
 264                 *tbuf++ = XGetPixel(image,w,h);
 265             startline += bitmap.bmWidthBytes;
 266         }
 267         break;
 268     case 15:
 269     case 16:
 270         for (h=0;h<height;h++)
 271         {
 272             tbuf = startline;
 273             for (w=0;w<bitmap.bmWidth;w++)
 274             {
 275                 long pixel = XGetPixel(image,w,h);
 276
 277                 *tbuf++ = pixel & 0xff;
 278                 *tbuf++ = (pixel>>8) & 0xff;
 279             }
 280             startline += bitmap.bmWidthBytes;
 281         }
 282         break;
 283     case 24:
 284         for (h=0;h<height;h++)
 285         {
 286             tbuf = startline;
 287             for (w=0;w<bitmap.bmWidth;w++)
 288             {
 289                 long pixel = XGetPixel(image,w,h);
 290
 291                 *tbuf++ = pixel & 0xff;
 292                 *tbuf++ = (pixel>> 8) & 0xff;
 293                 *tbuf++ = (pixel>>16) & 0xff;
 294             }
 295             startline += bitmap.bmWidthBytes;
 296         }
 297         break;
 298
 299     case 32:
 300         for (h=0;h<height;h++)
 301         {
 302             tbuf = startline;
 303             for (w=0;w<bitmap.bmWidth;w++)
 304             {
 305                 long pixel = XGetPixel(image,w,h);
 306
 307                 *tbuf++ = pixel & 0xff;
 308                 *tbuf++ = (pixel>> 8) & 0xff;
 309                 *tbuf++ = (pixel>>16) & 0xff;
 310                 *tbuf++ = (pixel>>24) & 0xff;
 311             }
 312             startline += bitmap.bmWidthBytes;
 313         }
 314         break;
 315     default:
 316         FIXME("Unhandled bits:%d\n", bitmap.bmBitsPixel);
 317     }
 318     XDestroyImage( image );
 319     wine_tsx11_unlock();
 320     return count;
 321 }
 322
 323
 324
 325 /******************************************************************************
 326  *             SetBitmapBits   (X11DRV.@)
 327  *
 328  * RETURNS
 329  *    Success: Number of bytes used in setting the bitmap bits
 330  *    Failure: 0
 331  */
 332 LONG CDECL X11DRV_SetBitmapBits( HBITMAP hbitmap, const void *bits, LONG count )
 333 {
 334     BITMAP bitmap;
 335     X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( hbitmap );
 336     LONG height;
 337     XImage *image;
 338     const BYTE *sbuf, *startline;
 339     int w, h;
 340
 341     if (!physBitmap || !GetObjectW( hbitmap, sizeof(bitmap), &bitmap )) return 0;
 342
 343     TRACE("(bmp=%p, bits=%p, count=0x%x)\n", hbitmap, bits, count);
 344
 345     height = count / bitmap.bmWidthBytes;
 346
 347     wine_tsx11_lock();
 348     image = XCreateImage( gdi_display, visual, physBitmap->pixmap_depth, ZPixmap, 0, NULL,
 349                           bitmap.bmWidth, height, 32, 0 );
 350     if (!(image->data = HeapAlloc( GetProcessHeap(), 0, image->bytes_per_line * height )))
 351     {
 352         WARN("No memory to create image data.\n");
 353         XDestroyImage( image );
 354         wine_tsx11_unlock();
 355         return 0;
 356     }
 357
 358     /* copy 16 bit padded image buffer with real bitsperpixel to XImage */
 359
 360     startline = bits;
 361
 362     switch (bitmap.bmBitsPixel)
 363     {
 364     case 1:
 365         for (h=0;h<height;h++)
 366         {
 367             sbuf = startline;
 368             for (w=0;w<bitmap.bmWidth;w++)
 369             {
 370                 XPutPixel(image,w,h,(sbuf[0]>>(7-(w&7))) & 1);
 371                 if ((w&7) == 7)
 372                     sbuf++;
 373             }
 374             startline += bitmap.bmWidthBytes;
 375         }
 376         break;
 377     case 4:
 378         for (h=0;h<height;h++)
 379         {
 380             sbuf = startline;
 381             for (w=0;w<bitmap.bmWidth;w++)
 382             {
 383                 if (!(w & 1)) XPutPixel( image, w, h, *sbuf >> 4 );
 384                 else XPutPixel( image, w, h, *sbuf++ & 0xf );
 385             }
 386             startline += bitmap.bmWidthBytes;
 387         }
 388         break;
 389     case 8:
 390         for (h=0;h<height;h++)
 391         {
 392             sbuf = startline;
 393             for (w=0;w<bitmap.bmWidth;w++)
 394                 XPutPixel(image,w,h,*sbuf++);
 395             startline += bitmap.bmWidthBytes;
 396         }
 397         break;
 398     case 15:
 399     case 16:
 400         for (h=0;h<height;h++)
 401         {
 402             sbuf = startline;
 403             for (w=0;w<bitmap.bmWidth;w++)
 404             {
 405                 XPutPixel(image,w,h,sbuf[1]*256+sbuf[0]);
 406                 sbuf+=2;
 407             }
 408             startline += bitmap.bmWidthBytes;
 409         }
 410         break;
 411     case 24:
 412         for (h=0;h<height;h++)
 413         {
 414             sbuf = startline;
 415             for (w=0;w<bitmap.bmWidth;w++)
 416             {
 417                 XPutPixel(image,w,h,(sbuf[2]<<16)+(sbuf[1]<<8)+sbuf[0]);
 418                 sbuf += 3;
 419             }
 420             startline += bitmap.bmWidthBytes;
 421         }
 422         break;
 423     case 32:
 424         for (h=0;h<height;h++)
 425         {
 426             sbuf = startline;
 427             for (w=0;w<bitmap.bmWidth;w++)
 428             {
 429                 XPutPixel(image,w,h,(sbuf[3]<<24)+(sbuf[2]<<16)+(sbuf[1]<<8)+sbuf[0]);
 430                 sbuf += 4;
 431             }
 432             startline += bitmap.bmWidthBytes;
 433         }
 434         break;
 435     default:
 436       FIXME("Unhandled bits:%d\n", bitmap.bmBitsPixel);
 437
 438     }
 439     XPutImage( gdi_display, physBitmap->pixmap, get_bitmap_gc(physBitmap->pixmap_depth),
 440                image, 0, 0, 0, 0, bitmap.bmWidth, height );
 441     HeapFree( GetProcessHeap(), 0, image->data );
 442     image->data = NULL;
 443     XDestroyImage( image );
 444     wine_tsx11_unlock();
 445     return count;
 446 }
 447
 448 /***********************************************************************
 449  *           DeleteBitmap   (X11DRV.@)
 450  */
 451 BOOL CDECL X11DRV_DeleteBitmap( HBITMAP hbitmap )
 452 {
 453     X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( hbitmap );
 454
 455     if (physBitmap)
 456     {
 457         DIBSECTION dib;
 458
 459         if (GetObjectW( hbitmap, sizeof(dib), &dib ) == sizeof(dib))
 460             X11DRV_DIB_DeleteDIBSection( physBitmap, &dib );
 461
 462         if (physBitmap->glxpixmap)
 463             destroy_glxpixmap( gdi_display, physBitmap->glxpixmap );
 464         wine_tsx11_lock();
 465         if (physBitmap->pixmap) XFreePixmap( gdi_display, physBitmap->pixmap );
 466         XDeleteContext( gdi_display, (XID)hbitmap, bitmap_context );
 467         wine_tsx11_unlock();
 468         HeapFree( GetProcessHeap(), 0, physBitmap );
 469     }
 470     return TRUE;
 471 }
 472
 473
 474 /***********************************************************************
 475  *           X11DRV_get_phys_bitmap
 476  *
 477  * Retrieve the X physical bitmap info.
 478  */
 479 X_PHYSBITMAP *X11DRV_get_phys_bitmap( HBITMAP hbitmap )
 480 {
 481     X_PHYSBITMAP *ret;
 482
 483     wine_tsx11_lock();
 484     if (XFindContext( gdi_display, (XID)hbitmap, bitmap_context, (char **)&ret )) ret = NULL;
 485     wine_tsx11_unlock();
 486     return ret;
 487 }
 488
 489
 490 /***********************************************************************
 491  *           X11DRV_init_phys_bitmap
 492  *
 493  * Initialize the X physical bitmap info.
 494  */
 495 X_PHYSBITMAP *X11DRV_init_phys_bitmap( HBITMAP hbitmap )
 496 {
 497     X_PHYSBITMAP *ret;
 498
 499     if ((ret = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*ret) )) != NULL)
 500     {
 501         ret->hbitmap = hbitmap;
 502         wine_tsx11_lock();
 503         XSaveContext( gdi_display, (XID)hbitmap, bitmap_context, (char *)ret );
 504         wine_tsx11_unlock();
 505     }
 506     return ret;
 507 }
 508
 509
 510 /***********************************************************************
 511  *           X11DRV_get_pixmap
 512  *
 513  * Retrieve the pixmap associated to a bitmap.
 514  */
 515 Pixmap X11DRV_get_pixmap( HBITMAP hbitmap )
 516 {
 517     X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( hbitmap );
 518
 519     if (!physBitmap) return 0;
 520     return physBitmap->pixmap;
 521 }