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 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(physDev->xrender)
  99         X11DRV_XRender_UpdateDrawable( physDev );
 100
 101     if (hbitmap == BITMAP_stock_phys_bitmap.hbitmap) physBitmap = &BITMAP_stock_phys_bitmap;
 102     else if (!(physBitmap = X11DRV_get_phys_bitmap( hbitmap ))) return 0;
 103
 104     physDev->bitmap = physBitmap;
 105     physDev->drawable = physBitmap->pixmap;
 106     physDev->color_shifts = physBitmap->trueColor ? &physBitmap->pixmap_color_shifts : NULL;
 107     SetRect( &physDev->drawable_rect, 0, 0, bitmap.bmWidth, bitmap.bmHeight );
 108     physDev->dc_rect = physDev->drawable_rect;
 109
 110       /* Change GC depth if needed */
 111
 112     if (physDev->depth != physBitmap->pixmap_depth)
 113     {
 114         physDev->depth = physBitmap->pixmap_depth;
 115         wine_tsx11_lock();
 116         XFreeGC( gdi_display, physDev->gc );
 117         physDev->gc = XCreateGC( gdi_display, physDev->drawable, 0, NULL );
 118         XSetGraphicsExposures( gdi_display, physDev->gc, False );
 119         XSetSubwindowMode( gdi_display, physDev->gc, IncludeInferiors );
 120         XFlush( gdi_display );
 121         wine_tsx11_unlock();
 122     }
 123
 124     return hbitmap;
 125 }
 126
 127
 128 /****************************************************************************
 129  *        CreateBitmap   (X11DRV.@)
 130  *
 131  * Create a device dependent X11 bitmap
 132  *
 133  * Returns TRUE on success else FALSE
 134  */
 135 BOOL X11DRV_CreateBitmap( PHYSDEV dev, HBITMAP hbitmap )
 136 {
 137     X_PHYSBITMAP *physBitmap;
 138     BITMAP bitmap;
 139
 140     if (!GetObjectW( hbitmap, sizeof(bitmap), &bitmap )) return FALSE;
 141
 142       /* Check parameters */
 143     if (bitmap.bmPlanes != 1) return FALSE;
 144
 145     /* check if bpp is compatible with screen depth */
 146     if (!((bitmap.bmBitsPixel == 1) || (bitmap.bmBitsPixel == screen_bpp)))
 147     {
 148         WARN("Trying to make bitmap with planes=%d, bpp=%d\n",
 149             bitmap.bmPlanes, bitmap.bmBitsPixel);
 150         return FALSE;
 151     }
 152     if (hbitmap == BITMAP_stock_phys_bitmap.hbitmap)
 153     {
 154         ERR( "called for stock bitmap, please report\n" );
 155         return FALSE;
 156     }
 157
 158     TRACE("(%p) %dx%d %d bpp\n", hbitmap, bitmap.bmWidth, bitmap.bmHeight, bitmap.bmBitsPixel);
 159
 160     if (!(physBitmap = X11DRV_init_phys_bitmap( hbitmap ))) return FALSE;
 161
 162     if (!X11DRV_XRender_SetPhysBitmapDepth( physBitmap, bitmap.bmBitsPixel, NULL ))
 163     {
 164         if(bitmap.bmBitsPixel == 1)
 165         {
 166             physBitmap->pixmap_depth = 1;
 167             physBitmap->trueColor = FALSE;
 168         }
 169         else
 170         {
 171             physBitmap->pixmap_depth = screen_depth;
 172             physBitmap->pixmap_color_shifts = X11DRV_PALETTE_default_shifts;
 173             physBitmap->trueColor = (visual->class == TrueColor || visual->class == DirectColor);
 174         }
 175     }
 176
 177     wine_tsx11_lock();
 178     /* Create the pixmap */
 179     physBitmap->pixmap = XCreatePixmap(gdi_display, root_window,
 180                                        bitmap.bmWidth, bitmap.bmHeight, physBitmap->pixmap_depth);
 181     if (physBitmap->pixmap)
 182     {
 183         GC gc = get_bitmap_gc(physBitmap->pixmap_depth);
 184         XSetFunction( gdi_display, gc, GXclear );
 185         XFillRectangle( gdi_display, physBitmap->pixmap, gc, 0, 0, bitmap.bmWidth, bitmap.bmHeight );
 186         XSetFunction( gdi_display, gc, GXcopy );
 187     }
 188     wine_tsx11_unlock();
 189     if (!physBitmap->pixmap)
 190     {
 191         WARN("Can't create Pixmap\n");
 192         HeapFree( GetProcessHeap(), 0, physBitmap );
 193         return FALSE;
 194     }
 195     return TRUE;
 196 }
 197
 198
 199 /***********************************************************************
 200  *           DeleteBitmap   (X11DRV.@)
 201  */
 202 BOOL X11DRV_DeleteBitmap( HBITMAP hbitmap )
 203 {
 204     X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( hbitmap );
 205
 206     if (physBitmap)
 207     {
 208         DIBSECTION dib;
 209
 210         if (GetObjectW( hbitmap, sizeof(dib), &dib ) == sizeof(dib))
 211             X11DRV_DIB_DeleteDIBSection( physBitmap, &dib );
 212
 213         if (physBitmap->glxpixmap)
 214             destroy_glxpixmap( gdi_display, physBitmap->glxpixmap );
 215         wine_tsx11_lock();
 216         if (physBitmap->pixmap) XFreePixmap( gdi_display, physBitmap->pixmap );
 217         XDeleteContext( gdi_display, (XID)hbitmap, bitmap_context );
 218         wine_tsx11_unlock();
 219         HeapFree( GetProcessHeap(), 0, physBitmap );
 220     }
 221     return TRUE;
 222 }
 223
 224
 225 /***********************************************************************
 226  *           X11DRV_get_phys_bitmap
 227  *
 228  * Retrieve the X physical bitmap info.
 229  */
 230 X_PHYSBITMAP *X11DRV_get_phys_bitmap( HBITMAP hbitmap )
 231 {
 232     X_PHYSBITMAP *ret;
 233
 234     wine_tsx11_lock();
 235     if (XFindContext( gdi_display, (XID)hbitmap, bitmap_context, (char **)&ret )) ret = NULL;
 236     wine_tsx11_unlock();
 237     return ret;
 238 }
 239
 240
 241 /***********************************************************************
 242  *           X11DRV_init_phys_bitmap
 243  *
 244  * Initialize the X physical bitmap info.
 245  */
 246 X_PHYSBITMAP *X11DRV_init_phys_bitmap( HBITMAP hbitmap )
 247 {
 248     X_PHYSBITMAP *ret;
 249
 250     if ((ret = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*ret) )) != NULL)
 251     {
 252         ret->hbitmap = hbitmap;
 253         wine_tsx11_lock();
 254         XSaveContext( gdi_display, (XID)hbitmap, bitmap_context, (char *)ret );
 255         wine_tsx11_unlock();
 256     }
 257     return ret;
 258 }
 259
 260
 261 /***********************************************************************
 262  *           X11DRV_get_pixmap
 263  *
 264  * Retrieve the pixmap associated to a bitmap.
 265  */
 266 Pixmap X11DRV_get_pixmap( HBITMAP hbitmap )
 267 {
 268     X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( hbitmap );
 269
 270     if (!physBitmap) return 0;
 271     return physBitmap->pixmap;
 272 }