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.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 X11DRV_SelectBitmap( PHYSDEV dev, HBITMAP hbitmap )
  91 {
  92     X11DRV_PDEVICE *physDev = get_x11drv_dev( dev );
  93     X_PHYSBITMAP *physBitmap;
  94     BITMAP bitmap;
  95
  96     if (!GetObjectW( hbitmap, sizeof(bitmap), &bitmap )) return 0;
  97
  98     if (hbitmap == BITMAP_stock_phys_bitmap.hbitmap) physBitmap = &BITMAP_stock_phys_bitmap;
  99     else if (!(physBitmap = X11DRV_get_phys_bitmap( hbitmap ))) return 0;
 100
 101     physDev->bitmap = physBitmap;
 102     physDev->drawable = physBitmap->pixmap;
 103     physDev->color_shifts = physBitmap->trueColor ? &physBitmap->color_shifts : NULL;
 104     SetRect( &physDev->drawable_rect, 0, 0, bitmap.bmWidth, bitmap.bmHeight );
 105     physDev->dc_rect = physDev->drawable_rect;
 106
 107       /* Change GC depth if needed */
 108
 109     if (physDev->depth != physBitmap->depth)
 110     {
 111         physDev->depth = physBitmap->depth;
 112         wine_tsx11_lock();
 113         XFreeGC( gdi_display, physDev->gc );
 114         physDev->gc = XCreateGC( gdi_display, physDev->drawable, 0, NULL );
 115         XSetGraphicsExposures( gdi_display, physDev->gc, False );
 116         XSetSubwindowMode( gdi_display, physDev->gc, IncludeInferiors );
 117         XFlush( gdi_display );
 118         wine_tsx11_unlock();
 119     }
 120
 121     return hbitmap;
 122 }
 123
 124
 125 /***********************************************************************
 126  *           X11DRV_create_phys_bitmap
 127  */
 128 X_PHYSBITMAP *X11DRV_create_phys_bitmap( HBITMAP hbitmap, const BITMAP *bitmap, int depth )
 129 {
 130     X_PHYSBITMAP *physBitmap;
 131
 132     if (bitmap->bmWidth > 65535 || bitmap->bmHeight > 65535 || bitmap->bmPlanes != 1 ||
 133         (bitmap->bmBitsPixel != 1 && bitmap->bmBitsPixel != screen_bpp))
 134     {
 135         WARN( "Trying to create invalid pixmap %dx%d planes %d bpp %d\n",
 136               bitmap->bmWidth, bitmap->bmHeight, bitmap->bmPlanes, bitmap->bmBitsPixel );
 137         return NULL;
 138     }
 139
 140     if (!(physBitmap = X11DRV_init_phys_bitmap( hbitmap ))) return NULL;
 141
 142     physBitmap->depth = depth;
 143
 144     wine_tsx11_lock();
 145     physBitmap->pixmap = XCreatePixmap( gdi_display, root_window,
 146                                         bitmap->bmWidth, bitmap->bmHeight, physBitmap->depth );
 147     if (physBitmap->pixmap)
 148     {
 149         GC gc = get_bitmap_gc( depth );
 150         XSetFunction( gdi_display, gc, GXclear );
 151         XFillRectangle( gdi_display, physBitmap->pixmap, gc, 0, 0, bitmap->bmWidth, bitmap->bmHeight );
 152         XSetFunction( gdi_display, gc, GXcopy );
 153     }
 154     wine_tsx11_unlock();
 155     if (!physBitmap->pixmap)
 156     {
 157         WARN("Can't create Pixmap\n");
 158         HeapFree( GetProcessHeap(), 0, physBitmap );
 159         return NULL;
 160     }
 161     TRACE( "(%p) %dx%d %d bpp -> %lx\n",
 162            hbitmap, bitmap->bmWidth, bitmap->bmHeight, bitmap->bmBitsPixel, physBitmap->pixmap );
 163     return physBitmap;
 164 }
 165
 166
 167 /****************************************************************************
 168  *        CreateBitmap   (X11DRV.@)
 169  *
 170  * Create a device dependent X11 bitmap
 171  *
 172  * Returns TRUE on success else FALSE
 173  */
 174 BOOL X11DRV_CreateBitmap( PHYSDEV dev, HBITMAP hbitmap )
 175 {
 176     BITMAP bitmap;
 177     X_PHYSBITMAP *phys_bitmap;
 178
 179     if (!GetObjectW( hbitmap, sizeof(bitmap), &bitmap )) return FALSE;
 180
 181     if (bitmap.bmBitsPixel == 1)
 182     {
 183         if (!(phys_bitmap = X11DRV_create_phys_bitmap( hbitmap, &bitmap, 1 ))) return FALSE;
 184         phys_bitmap->trueColor = FALSE;
 185     }
 186     else
 187     {
 188         if (!(phys_bitmap = X11DRV_create_phys_bitmap( hbitmap, &bitmap, screen_depth ))) return FALSE;
 189         phys_bitmap->trueColor = (visual->class == TrueColor || visual->class == DirectColor);
 190         phys_bitmap->color_shifts = X11DRV_PALETTE_default_shifts;
 191     }
 192     return TRUE;
 193 }
 194
 195
 196 /****************************************************************************
 197  *        CopyBitmap   (X11DRV.@)
 198  */
 199 BOOL X11DRV_CopyBitmap( HBITMAP src, HBITMAP dst )
 200 {
 201     X_PHYSBITMAP *phys_src, *phys_dst;
 202     BITMAP bitmap;
 203
 204     if (!(phys_src = X11DRV_get_phys_bitmap( src ))) return FALSE;
 205     if (!GetObjectW( dst, sizeof(bitmap), &bitmap )) return FALSE;
 206
 207     TRACE("%p->%p %dx%d %d bpp\n", src, dst, bitmap.bmWidth, bitmap.bmHeight, bitmap.bmBitsPixel);
 208
 209     if (!(phys_dst = X11DRV_init_phys_bitmap( dst ))) return FALSE;
 210
 211     phys_dst->depth = phys_src->depth;
 212     phys_dst->format = phys_src->format;
 213     phys_dst->trueColor = phys_src->trueColor;
 214     if (phys_dst->trueColor) phys_dst->color_shifts = phys_src->color_shifts;
 215
 216     wine_tsx11_lock();
 217     phys_dst->pixmap = XCreatePixmap( gdi_display, root_window,
 218                                       bitmap.bmWidth, bitmap.bmHeight, phys_dst->depth );
 219     XCopyArea( gdi_display, phys_src->pixmap, phys_dst->pixmap,
 220                get_bitmap_gc(phys_dst->depth), 0, 0, bitmap.bmWidth, bitmap.bmHeight, 0, 0 );
 221     wine_tsx11_unlock();
 222
 223     if (!phys_dst->pixmap)
 224     {
 225         WARN("Can't create Pixmap\n");
 226         HeapFree( GetProcessHeap(), 0, phys_dst );
 227         return FALSE;
 228     }
 229     return TRUE;
 230 }
 231
 232
 233 /***********************************************************************
 234  *           DeleteBitmap   (X11DRV.@)
 235  */
 236 BOOL X11DRV_DeleteBitmap( HBITMAP hbitmap )
 237 {
 238     X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( hbitmap );
 239
 240     if (physBitmap)
 241     {
 242         if (physBitmap->glxpixmap)
 243             destroy_glxpixmap( gdi_display, physBitmap->glxpixmap );
 244         wine_tsx11_lock();
 245         if (physBitmap->pixmap) XFreePixmap( gdi_display, physBitmap->pixmap );
 246         XDeleteContext( gdi_display, (XID)hbitmap, bitmap_context );
 247         wine_tsx11_unlock();
 248         HeapFree( GetProcessHeap(), 0, physBitmap );
 249     }
 250     return TRUE;
 251 }
 252
 253
 254 /***********************************************************************
 255  *           X11DRV_get_phys_bitmap
 256  *
 257  * Retrieve the X physical bitmap info.
 258  */
 259 X_PHYSBITMAP *X11DRV_get_phys_bitmap( HBITMAP hbitmap )
 260 {
 261     X_PHYSBITMAP *ret;
 262
 263     wine_tsx11_lock();
 264     if (XFindContext( gdi_display, (XID)hbitmap, bitmap_context, (char **)&ret )) ret = NULL;
 265     wine_tsx11_unlock();
 266     return ret;
 267 }
 268
 269
 270 /***********************************************************************
 271  *           X11DRV_init_phys_bitmap
 272  *
 273  * Initialize the X physical bitmap info.
 274  */
 275 X_PHYSBITMAP *X11DRV_init_phys_bitmap( HBITMAP hbitmap )
 276 {
 277     X_PHYSBITMAP *ret;
 278
 279     if ((ret = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*ret) )) != NULL)
 280     {
 281         ret->hbitmap = hbitmap;
 282         wine_tsx11_lock();
 283         XSaveContext( gdi_display, (XID)hbitmap, bitmap_context, (char *)ret );
 284         wine_tsx11_unlock();
 285     }
 286     return ret;
 287 }
 288
 289
 290 /***********************************************************************
 291  *           X11DRV_get_pixmap
 292  *
 293  * Retrieve the pixmap associated to a bitmap.
 294  */
 295 Pixmap X11DRV_get_pixmap( HBITMAP hbitmap )
 296 {
 297     X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( hbitmap );
 298
 299     if (!physBitmap) return 0;
 300     return physBitmap->pixmap;
 301 }