dlls/winex11.drv/bitmap.c - wine - Git at Google

 /*
  * X11DRV bitmap objects
  *
  * Copyright 1993 Alexandre Julliard
  *           1999 Noel Borthwick
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */

 #include "config.h"

 #include <stdio.h>
 #include <stdlib.h>
 #include "windef.h"
 #include "wingdi.h"
 #include "wine/debug.h"
 #include "x11drv.h"

 WINE_DEFAULT_DEBUG_CHANNEL(x11drv);

   /* GCs used for B&W and color bitmap operations */
 static GC bitmap_gc[32];
 X_PHYSBITMAP BITMAP_stock_phys_bitmap = { 0 };  /* phys bitmap for the default stock bitmap */

 static XContext bitmap_context;  /* X context to associate a phys bitmap to a handle */

 GC get_bitmap_gc(int depth)
 {
     if(depth < 1 || depth > 32)
         return 0;

     return bitmap_gc[depth-1];
 }

 /***********************************************************************
  *           X11DRV_BITMAP_Init
  */
 void X11DRV_BITMAP_Init(void)
 {
     int depth_count, index, i;
     int *depth_list;
     Pixmap tmpPixmap;

     wine_tsx11_lock();
     bitmap_context = XUniqueContext();
     BITMAP_stock_phys_bitmap.pixmap_depth = 1;
     BITMAP_stock_phys_bitmap.pixmap = XCreatePixmap( gdi_display, root_window, 1, 1, 1 );
     bitmap_gc[0] = XCreateGC( gdi_display, BITMAP_stock_phys_bitmap.pixmap, 0, NULL );
     XSetGraphicsExposures( gdi_display, bitmap_gc[0], False );
     XSetSubwindowMode( gdi_display, bitmap_gc[0], IncludeInferiors );

     /* Create a GC for all available depths. GCs at depths other than 1-bit/screen_depth are for use
      * in combination with XRender which allows us to create dibsections at more depths.
      */
     depth_list = XListDepths(gdi_display, DefaultScreen(gdi_display), &depth_count);
     for (i = 0; i < depth_count; i++)
     {
         index = depth_list[i] - 1;
         if (bitmap_gc[index]) continue;
         if ((tmpPixmap = XCreatePixmap( gdi_display, root_window, 1, 1, depth_list[i])))
         {
             if ((bitmap_gc[index] = XCreateGC( gdi_display, tmpPixmap, 0, NULL )))
             {
                 XSetGraphicsExposures( gdi_display, bitmap_gc[index], False );
                 XSetSubwindowMode( gdi_display, bitmap_gc[index], IncludeInferiors );
             }
             XFreePixmap( gdi_display, tmpPixmap );
         }
     }
     XFree( depth_list );

     wine_tsx11_unlock();
 }

 /***********************************************************************
  *           SelectBitmap   (X11DRV.@)
  */
 HBITMAP X11DRV_SelectBitmap( PHYSDEV dev, HBITMAP hbitmap )
 {
     X11DRV_PDEVICE *physDev = get_x11drv_dev( dev );
     X_PHYSBITMAP *physBitmap;
     BITMAP bitmap;

     if (!GetObjectW( hbitmap, sizeof(bitmap), &bitmap )) return 0;

     if(physDev->xrender)
         X11DRV_XRender_UpdateDrawable( physDev );

     if (hbitmap == BITMAP_stock_phys_bitmap.hbitmap) physBitmap = &BITMAP_stock_phys_bitmap;
     else if (!(physBitmap = X11DRV_get_phys_bitmap( hbitmap ))) return 0;

     physDev->bitmap = physBitmap;
     physDev->drawable = physBitmap->pixmap;
     physDev->color_shifts = physBitmap->trueColor ? &physBitmap->pixmap_color_shifts : NULL;
     SetRect( &physDev->drawable_rect, 0, 0, bitmap.bmWidth, bitmap.bmHeight );
     physDev->dc_rect = physDev->drawable_rect;

       /* Change GC depth if needed */

     if (physDev->depth != physBitmap->pixmap_depth)
     {
         physDev->depth = physBitmap->pixmap_depth;
         wine_tsx11_lock();
         XFreeGC( gdi_display, physDev->gc );
         physDev->gc = XCreateGC( gdi_display, physDev->drawable, 0, NULL );
         XSetGraphicsExposures( gdi_display, physDev->gc, False );
         XSetSubwindowMode( gdi_display, physDev->gc, IncludeInferiors );
         XFlush( gdi_display );
         wine_tsx11_unlock();
     }

     return hbitmap;
 }


 /****************************************************************************
  *	  CreateBitmap   (X11DRV.@)
  *
  * Create a device dependent X11 bitmap
  *
  * Returns TRUE on success else FALSE
  */
 BOOL X11DRV_CreateBitmap( PHYSDEV dev, HBITMAP hbitmap )
 {
     X_PHYSBITMAP *physBitmap;
     BITMAP bitmap;

     if (!GetObjectW( hbitmap, sizeof(bitmap), &bitmap )) return FALSE;

       /* Check parameters */
     if (bitmap.bmPlanes != 1) return FALSE;

     /* check if bpp is compatible with screen depth */
     if (!((bitmap.bmBitsPixel == 1) || (bitmap.bmBitsPixel == screen_bpp)))
     {
         WARN("Trying to make bitmap with planes=%d, bpp=%d\n",
             bitmap.bmPlanes, bitmap.bmBitsPixel);
         return FALSE;
     }
     if (hbitmap == BITMAP_stock_phys_bitmap.hbitmap)
     {
         ERR( "called for stock bitmap, please report\n" );
         return FALSE;
     }

     TRACE("(%p) %dx%d %d bpp\n", hbitmap, bitmap.bmWidth, bitmap.bmHeight, bitmap.bmBitsPixel);

     if (!(physBitmap = X11DRV_init_phys_bitmap( hbitmap ))) return FALSE;

     if (!X11DRV_XRender_SetPhysBitmapDepth( physBitmap, bitmap.bmBitsPixel, NULL ))
     {
         if(bitmap.bmBitsPixel == 1)
         {
             physBitmap->pixmap_depth = 1;
             physBitmap->trueColor = FALSE;
         }
         else
         {
             physBitmap->pixmap_depth = screen_depth;
             physBitmap->pixmap_color_shifts = X11DRV_PALETTE_default_shifts;
             physBitmap->trueColor = (visual->class == TrueColor || visual->class == DirectColor);
         }
     }

     wine_tsx11_lock();
     /* Create the pixmap */
     physBitmap->pixmap = XCreatePixmap(gdi_display, root_window,
                                        bitmap.bmWidth, bitmap.bmHeight, physBitmap->pixmap_depth);
     if (physBitmap->pixmap)
     {
         GC gc = get_bitmap_gc(physBitmap->pixmap_depth);
         XSetFunction( gdi_display, gc, GXclear );
         XFillRectangle( gdi_display, physBitmap->pixmap, gc, 0, 0, bitmap.bmWidth, bitmap.bmHeight );
         XSetFunction( gdi_display, gc, GXcopy );
     }
     wine_tsx11_unlock();
     if (!physBitmap->pixmap)
     {
         WARN("Can't create Pixmap\n");
         HeapFree( GetProcessHeap(), 0, physBitmap );
         return FALSE;
     }
     return TRUE;
 }


 /***********************************************************************
  *           DeleteBitmap   (X11DRV.@)
  */
 BOOL X11DRV_DeleteBitmap( HBITMAP hbitmap )
 {
     X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( hbitmap );

     if (physBitmap)
     {
         DIBSECTION dib;

         if (GetObjectW( hbitmap, sizeof(dib), &dib ) == sizeof(dib))
             X11DRV_DIB_DeleteDIBSection( physBitmap, &dib );

         if (physBitmap->glxpixmap)
             destroy_glxpixmap( gdi_display, physBitmap->glxpixmap );
         wine_tsx11_lock();
         if (physBitmap->pixmap) XFreePixmap( gdi_display, physBitmap->pixmap );
         XDeleteContext( gdi_display, (XID)hbitmap, bitmap_context );
         wine_tsx11_unlock();
         HeapFree( GetProcessHeap(), 0, physBitmap );
     }
     return TRUE;
 }


 /***********************************************************************
  *           X11DRV_get_phys_bitmap
  *
  * Retrieve the X physical bitmap info.
  */
 X_PHYSBITMAP *X11DRV_get_phys_bitmap( HBITMAP hbitmap )
 {
     X_PHYSBITMAP *ret;

     wine_tsx11_lock();
     if (XFindContext( gdi_display, (XID)hbitmap, bitmap_context, (char **)&ret )) ret = NULL;
     wine_tsx11_unlock();
     return ret;
 }


 /***********************************************************************
  *           X11DRV_init_phys_bitmap
  *
  * Initialize the X physical bitmap info.
  */
 X_PHYSBITMAP *X11DRV_init_phys_bitmap( HBITMAP hbitmap )
 {
     X_PHYSBITMAP *ret;

     if ((ret = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*ret) )) != NULL)
     {
         ret->hbitmap = hbitmap;
         wine_tsx11_lock();
         XSaveContext( gdi_display, (XID)hbitmap, bitmap_context, (char *)ret );
         wine_tsx11_unlock();
     }
     return ret;
 }


 /***********************************************************************
  *           X11DRV_get_pixmap
  *
  * Retrieve the pixmap associated to a bitmap.
  */
 Pixmap X11DRV_get_pixmap( HBITMAP hbitmap )
 {
     X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( hbitmap );

     if (!physBitmap) return 0;
     return physBitmap->pixmap;
 }
	/*
	* X11DRV bitmap objects
	*
	* Copyright 1993 Alexandre Julliard
	* 1999 Noel Borthwick
	*
	* This library is free software; you can redistribute it and/or
	* modify it under the terms of the GNU Lesser General Public
	* License as published by the Free Software Foundation; either
	* version 2.1 of the License, or (at your option) any later version.
	*
	* This library is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	* Lesser General Public License for more details.
	*
	* You should have received a copy of the GNU Lesser General Public
	* License along with this library; if not, write to the Free Software
	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
	*/

	#include "config.h"

	#include <stdio.h>
	#include <stdlib.h>
	#include "windef.h"
	#include "wingdi.h"
	#include "wine/debug.h"
	#include "x11drv.h"

	WINE_DEFAULT_DEBUG_CHANNEL(x11drv);

	/* GCs used for B&W and color bitmap operations */
	static GC bitmap_gc[32];
	X_PHYSBITMAP BITMAP_stock_phys_bitmap = { 0 }; /* phys bitmap for the default stock bitmap */

	static XContext bitmap_context; /* X context to associate a phys bitmap to a handle */

	GC get_bitmap_gc(int depth)
	{
	if(depth < 1 \|\| depth > 32)
	return 0;

	return bitmap_gc[depth-1];
	}

	/***********************************************************************
	* X11DRV_BITMAP_Init
	*/
	void X11DRV_BITMAP_Init(void)
	{
	int depth_count, index, i;
	int *depth_list;
	Pixmap tmpPixmap;

	wine_tsx11_lock();
	bitmap_context = XUniqueContext();
	BITMAP_stock_phys_bitmap.pixmap_depth = 1;
	BITMAP_stock_phys_bitmap.pixmap = XCreatePixmap( gdi_display, root_window, 1, 1, 1 );
	bitmap_gc[0] = XCreateGC( gdi_display, BITMAP_stock_phys_bitmap.pixmap, 0, NULL );
	XSetGraphicsExposures( gdi_display, bitmap_gc[0], False );
	XSetSubwindowMode( gdi_display, bitmap_gc[0], IncludeInferiors );

	/* Create a GC for all available depths. GCs at depths other than 1-bit/screen_depth are for use
	* in combination with XRender which allows us to create dibsections at more depths.
	*/
	depth_list = XListDepths(gdi_display, DefaultScreen(gdi_display), &depth_count);
	for (i = 0; i < depth_count; i++)
	{
	index = depth_list[i] - 1;
	if (bitmap_gc[index]) continue;
	if ((tmpPixmap = XCreatePixmap( gdi_display, root_window, 1, 1, depth_list[i])))
	{
	if ((bitmap_gc[index] = XCreateGC( gdi_display, tmpPixmap, 0, NULL )))
	{
	XSetGraphicsExposures( gdi_display, bitmap_gc[index], False );
	XSetSubwindowMode( gdi_display, bitmap_gc[index], IncludeInferiors );
	}
	XFreePixmap( gdi_display, tmpPixmap );
	}
	}
	XFree( depth_list );

	wine_tsx11_unlock();
	}

	/***********************************************************************
	* SelectBitmap (X11DRV.@)
	*/
	HBITMAP X11DRV_SelectBitmap( PHYSDEV dev, HBITMAP hbitmap )
	{
	X11DRV_PDEVICE *physDev = get_x11drv_dev( dev );
	X_PHYSBITMAP *physBitmap;
	BITMAP bitmap;

	if (!GetObjectW( hbitmap, sizeof(bitmap), &bitmap )) return 0;

	if(physDev->xrender)
	X11DRV_XRender_UpdateDrawable( physDev );

	if (hbitmap == BITMAP_stock_phys_bitmap.hbitmap) physBitmap = &BITMAP_stock_phys_bitmap;
	else if (!(physBitmap = X11DRV_get_phys_bitmap( hbitmap ))) return 0;

	physDev->bitmap = physBitmap;
	physDev->drawable = physBitmap->pixmap;
	physDev->color_shifts = physBitmap->trueColor ? &physBitmap->pixmap_color_shifts : NULL;
	SetRect( &physDev->drawable_rect, 0, 0, bitmap.bmWidth, bitmap.bmHeight );
	physDev->dc_rect = physDev->drawable_rect;

	/* Change GC depth if needed */

	if (physDev->depth != physBitmap->pixmap_depth)
	{
	physDev->depth = physBitmap->pixmap_depth;
	wine_tsx11_lock();
	XFreeGC( gdi_display, physDev->gc );
	physDev->gc = XCreateGC( gdi_display, physDev->drawable, 0, NULL );
	XSetGraphicsExposures( gdi_display, physDev->gc, False );
	XSetSubwindowMode( gdi_display, physDev->gc, IncludeInferiors );
	XFlush( gdi_display );
	wine_tsx11_unlock();
	}

	return hbitmap;
	}


	/****************************************************************************
	* CreateBitmap (X11DRV.@)
	*
	* Create a device dependent X11 bitmap
	*
	* Returns TRUE on success else FALSE
	*/
	BOOL X11DRV_CreateBitmap( PHYSDEV dev, HBITMAP hbitmap )
	{
	X_PHYSBITMAP *physBitmap;
	BITMAP bitmap;

	if (!GetObjectW( hbitmap, sizeof(bitmap), &bitmap )) return FALSE;

	/* Check parameters */
	if (bitmap.bmPlanes != 1) return FALSE;

	/* check if bpp is compatible with screen depth */
	if (!((bitmap.bmBitsPixel == 1) \|\| (bitmap.bmBitsPixel == screen_bpp)))
	{
	WARN("Trying to make bitmap with planes=%d, bpp=%d\n",
	bitmap.bmPlanes, bitmap.bmBitsPixel);
	return FALSE;
	}
	if (hbitmap == BITMAP_stock_phys_bitmap.hbitmap)
	{
	ERR( "called for stock bitmap, please report\n" );
	return FALSE;
	}

	TRACE("(%p) %dx%d %d bpp\n", hbitmap, bitmap.bmWidth, bitmap.bmHeight, bitmap.bmBitsPixel);

	if (!(physBitmap = X11DRV_init_phys_bitmap( hbitmap ))) return FALSE;

	if (!X11DRV_XRender_SetPhysBitmapDepth( physBitmap, bitmap.bmBitsPixel, NULL ))
	{
	if(bitmap.bmBitsPixel == 1)
	{
	physBitmap->pixmap_depth = 1;
	physBitmap->trueColor = FALSE;
	}
	else
	{
	physBitmap->pixmap_depth = screen_depth;
	physBitmap->pixmap_color_shifts = X11DRV_PALETTE_default_shifts;
	physBitmap->trueColor = (visual->class == TrueColor \|\| visual->class == DirectColor);
	}
	}

	wine_tsx11_lock();
	/* Create the pixmap */
	physBitmap->pixmap = XCreatePixmap(gdi_display, root_window,
	bitmap.bmWidth, bitmap.bmHeight, physBitmap->pixmap_depth);
	if (physBitmap->pixmap)
	{
	GC gc = get_bitmap_gc(physBitmap->pixmap_depth);
	XSetFunction( gdi_display, gc, GXclear );
	XFillRectangle( gdi_display, physBitmap->pixmap, gc, 0, 0, bitmap.bmWidth, bitmap.bmHeight );
	XSetFunction( gdi_display, gc, GXcopy );
	}
	wine_tsx11_unlock();
	if (!physBitmap->pixmap)
	{
	WARN("Can't create Pixmap\n");
	HeapFree( GetProcessHeap(), 0, physBitmap );
	return FALSE;
	}
	return TRUE;
	}


	/***********************************************************************
	* DeleteBitmap (X11DRV.@)
	*/
	BOOL X11DRV_DeleteBitmap( HBITMAP hbitmap )
	{
	X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( hbitmap );

	if (physBitmap)
	{
	DIBSECTION dib;

	if (GetObjectW( hbitmap, sizeof(dib), &dib ) == sizeof(dib))
	X11DRV_DIB_DeleteDIBSection( physBitmap, &dib );

	if (physBitmap->glxpixmap)
	destroy_glxpixmap( gdi_display, physBitmap->glxpixmap );
	wine_tsx11_lock();
	if (physBitmap->pixmap) XFreePixmap( gdi_display, physBitmap->pixmap );
	XDeleteContext( gdi_display, (XID)hbitmap, bitmap_context );
	wine_tsx11_unlock();
	HeapFree( GetProcessHeap(), 0, physBitmap );
	}
	return TRUE;
	}


	/***********************************************************************
	* X11DRV_get_phys_bitmap
	*
	* Retrieve the X physical bitmap info.
	*/
	X_PHYSBITMAP *X11DRV_get_phys_bitmap( HBITMAP hbitmap )
	{
	X_PHYSBITMAP *ret;

	wine_tsx11_lock();
	if (XFindContext( gdi_display, (XID)hbitmap, bitmap_context, (char **)&ret )) ret = NULL;
	wine_tsx11_unlock();
	return ret;
	}


	/***********************************************************************
	* X11DRV_init_phys_bitmap
	*
	* Initialize the X physical bitmap info.
	*/
	X_PHYSBITMAP *X11DRV_init_phys_bitmap( HBITMAP hbitmap )
	{
	X_PHYSBITMAP *ret;

	if ((ret = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*ret) )) != NULL)
	{
	ret->hbitmap = hbitmap;
	wine_tsx11_lock();
	XSaveContext( gdi_display, (XID)hbitmap, bitmap_context, (char *)ret );
	wine_tsx11_unlock();
	}
	return ret;
	}


	/***********************************************************************
	* X11DRV_get_pixmap
	*
	* Retrieve the pixmap associated to a bitmap.
	*/
	Pixmap X11DRV_get_pixmap( HBITMAP hbitmap )
	{
	X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( hbitmap );

	if (!physBitmap) return 0;
	return physBitmap->pixmap;
	}