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 GC BITMAP_monoGC = 0, BITMAP_colorGC = 0;
  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 /***********************************************************************
  40  *           X11DRV_BITMAP_Init
  41  */
  42 void X11DRV_BITMAP_Init(void)
  43 {
  44     Pixmap tmpPixmap;
  45
  46       /* Create the necessary GCs */
  47
  48     wine_tsx11_lock();
  49     bitmap_context = XUniqueContext();
  50     BITMAP_stock_phys_bitmap.pixmap_depth = 1;
  51     BITMAP_stock_phys_bitmap.pixmap = XCreatePixmap( gdi_display, root_window, 1, 1, 1 );
  52     BITMAP_monoGC = XCreateGC( gdi_display, BITMAP_stock_phys_bitmap.pixmap, 0, NULL );
  53     XSetGraphicsExposures( gdi_display, BITMAP_monoGC, False );
  54     XSetSubwindowMode( gdi_display, BITMAP_monoGC, IncludeInferiors );
  55
  56     if (screen_depth != 1)
  57     {
  58         if ((tmpPixmap = XCreatePixmap( gdi_display, root_window, 1, 1, screen_depth )))
  59         {
  60             BITMAP_colorGC = XCreateGC( gdi_display, tmpPixmap, 0, NULL );
  61             XSetGraphicsExposures( gdi_display, BITMAP_colorGC, False );
  62             XSetSubwindowMode( gdi_display, BITMAP_colorGC, IncludeInferiors );
  63             XFreePixmap( gdi_display, tmpPixmap );
  64         }
  65     }
  66     wine_tsx11_unlock();
  67 }
  68
  69 /***********************************************************************
  70  *           SelectBitmap   (X11DRV.@)
  71  */
  72 HBITMAP X11DRV_SelectBitmap( X11DRV_PDEVICE *physDev, HBITMAP hbitmap )
  73 {
  74     X_PHYSBITMAP *physBitmap;
  75     BITMAP bitmap;
  76
  77     if (!GetObjectW( hbitmap, sizeof(bitmap), &bitmap )) return 0;
  78
  79     if(physDev->xrender)
  80         X11DRV_XRender_UpdateDrawable( physDev );
  81
  82     if (hbitmap == BITMAP_stock_phys_bitmap.hbitmap) physBitmap = &BITMAP_stock_phys_bitmap;
  83     else if (!(physBitmap = X11DRV_get_phys_bitmap( hbitmap ))) return 0;
  84
  85     physDev->bitmap = physBitmap;
  86     physDev->drawable = physBitmap->pixmap;
  87     SetRect( &physDev->drawable_rect, 0, 0, bitmap.bmWidth, bitmap.bmHeight );
  88     physDev->dc_rect = physDev->drawable_rect;
  89
  90       /* Change GC depth if needed */
  91
  92     if (physDev->depth != physBitmap->pixmap_depth)
  93     {
  94         physDev->depth = physBitmap->pixmap_depth;
  95         wine_tsx11_lock();
  96         XFreeGC( gdi_display, physDev->gc );
  97         physDev->gc = XCreateGC( gdi_display, physDev->drawable, 0, NULL );
  98         XSetGraphicsExposures( gdi_display, physDev->gc, False );
  99         XSetSubwindowMode( gdi_display, physDev->gc, IncludeInferiors );
 100         XFlush( gdi_display );
 101         wine_tsx11_unlock();
 102     }
 103     return hbitmap;
 104 }
 105
 106
 107 /****************************************************************************
 108  *        CreateBitmap   (X11DRV.@)
 109  *
 110  * Create a device dependent X11 bitmap
 111  *
 112  * Returns TRUE on success else FALSE
 113  */
 114 BOOL X11DRV_CreateBitmap( X11DRV_PDEVICE *physDev, HBITMAP hbitmap, LPVOID bmBits )
 115 {
 116     X_PHYSBITMAP *physBitmap;
 117     BITMAP bitmap;
 118
 119     if (!GetObjectW( hbitmap, sizeof(bitmap), &bitmap )) return FALSE;
 120
 121       /* Check parameters */
 122     if (bitmap.bmPlanes != 1) return FALSE;
 123
 124     /* check if bpp is compatible with screen depth */
 125     if (!((bitmap.bmBitsPixel == 1) ||
 126           (bitmap.bmBitsPixel == screen_bpp) ||
 127           (bitmap.bmBitsPixel == 16 && screen_bpp == 15)))    /* TODO: Confirm this    */
 128     {
 129         ERR("Trying to make bitmap with planes=%d, bpp=%d\n",
 130             bitmap.bmPlanes, bitmap.bmBitsPixel);
 131         return FALSE;
 132     }
 133     if (hbitmap == BITMAP_stock_phys_bitmap.hbitmap)
 134     {
 135         ERR( "called for stock bitmap, please report\n" );
 136         return FALSE;
 137     }
 138
 139     TRACE("(%p) %dx%d %d bpp\n", hbitmap, bitmap.bmWidth, bitmap.bmHeight, bitmap.bmBitsPixel);
 140
 141     if (!(physBitmap = X11DRV_init_phys_bitmap( hbitmap ))) return FALSE;
 142
 143       /* Create the pixmap */
 144     wine_tsx11_lock();
 145     physBitmap->pixmap_depth = (bitmap.bmBitsPixel == 1) ? 1 : screen_depth;
 146     physBitmap->pixmap = XCreatePixmap(gdi_display, root_window,
 147                                        bitmap.bmWidth, bitmap.bmHeight, physBitmap->pixmap_depth);
 148     wine_tsx11_unlock();
 149     if (!physBitmap->pixmap)
 150     {
 151         WARN("Can't create Pixmap\n");
 152         HeapFree( GetProcessHeap(), 0, physBitmap );
 153         return FALSE;
 154     }
 155
 156     if (bmBits) /* Set bitmap bits */
 157     {
 158         X11DRV_SetBitmapBits( hbitmap, bmBits, bitmap.bmHeight * bitmap.bmWidthBytes );
 159     }
 160     else  /* else clear the bitmap */
 161     {
 162         wine_tsx11_lock();
 163         XSetFunction( gdi_display, BITMAP_GC(physBitmap), GXclear );
 164         XFillRectangle( gdi_display, physBitmap->pixmap, BITMAP_GC(physBitmap), 0, 0,
 165                         bitmap.bmWidth, bitmap.bmHeight );
 166         XSetFunction( gdi_display, BITMAP_GC(physBitmap), GXcopy );
 167         wine_tsx11_unlock();
 168     }
 169     return TRUE;
 170 }
 171
 172
 173 /***********************************************************************
 174  *           GetBitmapBits   (X11DRV.@)
 175  *
 176  * RETURNS
 177  *    Success: Number of bytes copied
 178  *    Failure: 0
 179  */
 180 LONG X11DRV_GetBitmapBits( HBITMAP hbitmap, void *buffer, LONG count )
 181 {
 182     BITMAP bitmap;
 183     X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( hbitmap );
 184     LONG height;
 185     XImage *image;
 186     LPBYTE tbuf, startline;
 187     int h, w;
 188
 189     if (!physBitmap || !GetObjectW( hbitmap, sizeof(bitmap), &bitmap )) return 0;
 190
 191     TRACE("(bmp=%p, buffer=%p, count=0x%x)\n", hbitmap, buffer, count);
 192
 193     wine_tsx11_lock();
 194     height = count / bitmap.bmWidthBytes;
 195     image = XGetImage( gdi_display, physBitmap->pixmap, 0, 0,
 196                        bitmap.bmWidth, height, AllPlanes, ZPixmap );
 197
 198     /* copy XImage to 16 bit padded image buffer with real bitsperpixel */
 199
 200     startline = buffer;
 201     switch (bitmap.bmBitsPixel)
 202     {
 203     case 1:
 204         for (h=0;h<height;h++)
 205         {
 206             tbuf = startline;
 207             *tbuf = 0;
 208             for (w=0;w<bitmap.bmWidth;w++)
 209             {
 210                 if ((w%8) == 0)
 211                     *tbuf = 0;
 212                 *tbuf |= XGetPixel(image,w,h)<<(7-(w&7));
 213                 if ((w&7) == 7) ++tbuf;
 214             }
 215             startline += bitmap.bmWidthBytes;
 216         }
 217         break;
 218     case 4:
 219         for (h=0;h<height;h++)
 220         {
 221             tbuf = startline;
 222             for (w=0;w<bitmap.bmWidth;w++)
 223             {
 224                 if (!(w & 1)) *tbuf = XGetPixel( image, w, h) << 4;
 225                 else *tbuf++ |= XGetPixel( image, w, h) & 0x0f;
 226             }
 227             startline += bitmap.bmWidthBytes;
 228         }
 229         break;
 230     case 8:
 231         for (h=0;h<height;h++)
 232         {
 233             tbuf = startline;
 234             for (w=0;w<bitmap.bmWidth;w++)
 235                 *tbuf++ = XGetPixel(image,w,h);
 236             startline += bitmap.bmWidthBytes;
 237         }
 238         break;
 239     case 15:
 240     case 16:
 241         for (h=0;h<height;h++)
 242         {
 243             tbuf = startline;
 244             for (w=0;w<bitmap.bmWidth;w++)
 245             {
 246                 long pixel = XGetPixel(image,w,h);
 247
 248                 *tbuf++ = pixel & 0xff;
 249                 *tbuf++ = (pixel>>8) & 0xff;
 250             }
 251             startline += bitmap.bmWidthBytes;
 252         }
 253         break;
 254     case 24:
 255         for (h=0;h<height;h++)
 256         {
 257             tbuf = startline;
 258             for (w=0;w<bitmap.bmWidth;w++)
 259             {
 260                 long pixel = XGetPixel(image,w,h);
 261
 262                 *tbuf++ = pixel & 0xff;
 263                 *tbuf++ = (pixel>> 8) & 0xff;
 264                 *tbuf++ = (pixel>>16) & 0xff;
 265             }
 266             startline += bitmap.bmWidthBytes;
 267         }
 268         break;
 269
 270     case 32:
 271         for (h=0;h<height;h++)
 272         {
 273             tbuf = startline;
 274             for (w=0;w<bitmap.bmWidth;w++)
 275             {
 276                 long pixel = XGetPixel(image,w,h);
 277
 278                 *tbuf++ = pixel & 0xff;
 279                 *tbuf++ = (pixel>> 8) & 0xff;
 280                 *tbuf++ = (pixel>>16) & 0xff;
 281                 *tbuf++ = (pixel>>24) & 0xff;
 282             }
 283             startline += bitmap.bmWidthBytes;
 284         }
 285         break;
 286     default:
 287         FIXME("Unhandled bits:%d\n", bitmap.bmBitsPixel);
 288     }
 289     XDestroyImage( image );
 290     wine_tsx11_unlock();
 291     return count;
 292 }
 293
 294
 295
 296 /******************************************************************************
 297  *             SetBitmapBits   (X11DRV.@)
 298  *
 299  * RETURNS
 300  *    Success: Number of bytes used in setting the bitmap bits
 301  *    Failure: 0
 302  */
 303 LONG X11DRV_SetBitmapBits( HBITMAP hbitmap, const void *bits, LONG count )
 304 {
 305     BITMAP bitmap;
 306     X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( hbitmap );
 307     LONG height;
 308     XImage *image;
 309     const BYTE *sbuf, *startline;
 310     int w, h;
 311
 312     if (!physBitmap || !GetObjectW( hbitmap, sizeof(bitmap), &bitmap )) return 0;
 313
 314     TRACE("(bmp=%p, bits=%p, count=0x%x)\n", hbitmap, bits, count);
 315
 316     height = count / bitmap.bmWidthBytes;
 317
 318     wine_tsx11_lock();
 319     image = XCreateImage( gdi_display, visual, physBitmap->pixmap_depth, ZPixmap, 0, NULL,
 320                           bitmap.bmWidth, height, 32, 0 );
 321     if (!(image->data = malloc(image->bytes_per_line * height)))
 322     {
 323         WARN("No memory to create image data.\n");
 324         XDestroyImage( image );
 325         wine_tsx11_unlock();
 326         return 0;
 327     }
 328
 329     /* copy 16 bit padded image buffer with real bitsperpixel to XImage */
 330
 331     startline = bits;
 332
 333     switch (bitmap.bmBitsPixel)
 334     {
 335     case 1:
 336         for (h=0;h<height;h++)
 337         {
 338             sbuf = startline;
 339             for (w=0;w<bitmap.bmWidth;w++)
 340             {
 341                 XPutPixel(image,w,h,(sbuf[0]>>(7-(w&7))) & 1);
 342                 if ((w&7) == 7)
 343                     sbuf++;
 344             }
 345             startline += bitmap.bmWidthBytes;
 346         }
 347         break;
 348     case 4:
 349         for (h=0;h<height;h++)
 350         {
 351             sbuf = startline;
 352             for (w=0;w<bitmap.bmWidth;w++)
 353             {
 354                 if (!(w & 1)) XPutPixel( image, w, h, *sbuf >> 4 );
 355                 else XPutPixel( image, w, h, *sbuf++ & 0xf );
 356             }
 357             startline += bitmap.bmWidthBytes;
 358         }
 359         break;
 360     case 8:
 361         for (h=0;h<height;h++)
 362         {
 363             sbuf = startline;
 364             for (w=0;w<bitmap.bmWidth;w++)
 365                 XPutPixel(image,w,h,*sbuf++);
 366             startline += bitmap.bmWidthBytes;
 367         }
 368         break;
 369     case 15:
 370     case 16:
 371         for (h=0;h<height;h++)
 372         {
 373             sbuf = startline;
 374             for (w=0;w<bitmap.bmWidth;w++)
 375             {
 376                 XPutPixel(image,w,h,sbuf[1]*256+sbuf[0]);
 377                 sbuf+=2;
 378             }
 379             startline += bitmap.bmWidthBytes;
 380         }
 381         break;
 382     case 24:
 383         for (h=0;h<height;h++)
 384         {
 385             sbuf = startline;
 386             for (w=0;w<bitmap.bmWidth;w++)
 387             {
 388                 XPutPixel(image,w,h,(sbuf[2]<<16)+(sbuf[1]<<8)+sbuf[0]);
 389                 sbuf += 3;
 390             }
 391             startline += bitmap.bmWidthBytes;
 392         }
 393         break;
 394     case 32:
 395         for (h=0;h<height;h++)
 396         {
 397             sbuf = startline;
 398             for (w=0;w<bitmap.bmWidth;w++)
 399             {
 400                 XPutPixel(image,w,h,(sbuf[3]<<24)+(sbuf[2]<<16)+(sbuf[1]<<8)+sbuf[0]);
 401                 sbuf += 4;
 402             }
 403             startline += bitmap.bmWidthBytes;
 404         }
 405         break;
 406     default:
 407       FIXME("Unhandled bits:%d\n", bitmap.bmBitsPixel);
 408
 409     }
 410     XPutImage( gdi_display, physBitmap->pixmap, BITMAP_GC(physBitmap),
 411                image, 0, 0, 0, 0, bitmap.bmWidth, height );
 412     XDestroyImage( image ); /* frees image->data too */
 413     wine_tsx11_unlock();
 414     return count;
 415 }
 416
 417 /***********************************************************************
 418  *           DeleteBitmap   (X11DRV.@)
 419  */
 420 BOOL X11DRV_DeleteBitmap( HBITMAP hbitmap )
 421 {
 422     X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( hbitmap );
 423
 424     if (physBitmap)
 425     {
 426         DIBSECTION dib;
 427
 428         if (GetObjectW( hbitmap, sizeof(dib), &dib ) == sizeof(dib))
 429             X11DRV_DIB_DeleteDIBSection( physBitmap, &dib );
 430
 431         if (physBitmap->glxpixmap)
 432             destroy_glxpixmap( gdi_display, physBitmap->glxpixmap );
 433         wine_tsx11_lock();
 434         if (physBitmap->pixmap) XFreePixmap( gdi_display, physBitmap->pixmap );
 435         XDeleteContext( gdi_display, (XID)hbitmap, bitmap_context );
 436         wine_tsx11_unlock();
 437         HeapFree( GetProcessHeap(), 0, physBitmap );
 438     }
 439     return TRUE;
 440 }
 441
 442
 443 /***********************************************************************
 444  *           X11DRV_get_phys_bitmap
 445  *
 446  * Retrieve the X physical bitmap info.
 447  */
 448 X_PHYSBITMAP *X11DRV_get_phys_bitmap( HBITMAP hbitmap )
 449 {
 450     X_PHYSBITMAP *ret;
 451
 452     wine_tsx11_lock();
 453     if (XFindContext( gdi_display, (XID)hbitmap, bitmap_context, (char **)&ret )) ret = NULL;
 454     wine_tsx11_unlock();
 455     return ret;
 456 }
 457
 458
 459 /***********************************************************************
 460  *           X11DRV_init_phys_bitmap
 461  *
 462  * Initialize the X physical bitmap info.
 463  */
 464 X_PHYSBITMAP *X11DRV_init_phys_bitmap( HBITMAP hbitmap )
 465 {
 466     X_PHYSBITMAP *ret;
 467
 468     if ((ret = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*ret) )) != NULL)
 469     {
 470         ret->hbitmap = hbitmap;
 471         wine_tsx11_lock();
 472         XSaveContext( gdi_display, (XID)hbitmap, bitmap_context, (char *)ret );
 473         wine_tsx11_unlock();
 474     }
 475     return ret;
 476 }
 477
 478
 479 /***********************************************************************
 480  *           X11DRV_get_pixmap
 481  *
 482  * Retrieve the pixmap associated to a bitmap.
 483  */
 484 Pixmap X11DRV_get_pixmap( HBITMAP hbitmap )
 485 {
 486     X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( hbitmap );
 487
 488     if (!physBitmap) return 0;
 489     return physBitmap->pixmap;
 490 }