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493 lines
14 KiB
C
493 lines
14 KiB
C
/*
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* X11DRV bitmap objects
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*
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* Copyright 1993 Alexandre Julliard
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* 1999 Noel Borthwick
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include "windef.h"
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#include "wingdi.h"
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#include "wine/debug.h"
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#include "x11drv.h"
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WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
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/* GCs used for B&W and color bitmap operations */
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GC BITMAP_monoGC = 0, BITMAP_colorGC = 0;
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X_PHYSBITMAP BITMAP_stock_phys_bitmap = { 0 }; /* phys bitmap for the default stock bitmap */
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static XContext bitmap_context; /* X context to associate a phys bitmap to a handle */
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/***********************************************************************
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* X11DRV_BITMAP_Init
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*/
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void X11DRV_BITMAP_Init(void)
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{
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Pixmap tmpPixmap;
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/* Create the necessary GCs */
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wine_tsx11_lock();
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bitmap_context = XUniqueContext();
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BITMAP_stock_phys_bitmap.pixmap_depth = 1;
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BITMAP_stock_phys_bitmap.pixmap = XCreatePixmap( gdi_display, root_window, 1, 1, 1 );
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BITMAP_monoGC = XCreateGC( gdi_display, BITMAP_stock_phys_bitmap.pixmap, 0, NULL );
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XSetGraphicsExposures( gdi_display, BITMAP_monoGC, False );
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XSetSubwindowMode( gdi_display, BITMAP_monoGC, IncludeInferiors );
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if (screen_depth != 1)
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{
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if ((tmpPixmap = XCreatePixmap( gdi_display, root_window, 1, 1, screen_depth )))
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{
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BITMAP_colorGC = XCreateGC( gdi_display, tmpPixmap, 0, NULL );
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XSetGraphicsExposures( gdi_display, BITMAP_colorGC, False );
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XSetSubwindowMode( gdi_display, BITMAP_colorGC, IncludeInferiors );
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XFreePixmap( gdi_display, tmpPixmap );
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}
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}
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wine_tsx11_unlock();
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}
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/***********************************************************************
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* SelectBitmap (X11DRV.@)
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*/
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HBITMAP X11DRV_SelectBitmap( X11DRV_PDEVICE *physDev, HBITMAP hbitmap )
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{
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X_PHYSBITMAP *physBitmap;
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BITMAP bitmap;
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if (!GetObjectW( hbitmap, sizeof(bitmap), &bitmap )) return 0;
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if(physDev->xrender)
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X11DRV_XRender_UpdateDrawable( physDev );
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if (hbitmap == BITMAP_stock_phys_bitmap.hbitmap) physBitmap = &BITMAP_stock_phys_bitmap;
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else if (!(physBitmap = X11DRV_get_phys_bitmap( hbitmap ))) return 0;
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physDev->bitmap = physBitmap;
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physDev->drawable = physBitmap->pixmap;
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SetRect( &physDev->drawable_rect, 0, 0, bitmap.bmWidth, bitmap.bmHeight );
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physDev->dc_rect = physDev->drawable_rect;
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/* Change GC depth if needed */
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if (physDev->depth != physBitmap->pixmap_depth)
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{
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physDev->depth = physBitmap->pixmap_depth;
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wine_tsx11_lock();
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XFreeGC( gdi_display, physDev->gc );
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physDev->gc = XCreateGC( gdi_display, physDev->drawable, 0, NULL );
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XSetGraphicsExposures( gdi_display, physDev->gc, False );
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XSetSubwindowMode( gdi_display, physDev->gc, IncludeInferiors );
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XFlush( gdi_display );
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wine_tsx11_unlock();
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}
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return hbitmap;
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}
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/****************************************************************************
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* CreateBitmap (X11DRV.@)
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*
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* Create a device dependent X11 bitmap
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*
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* Returns TRUE on success else FALSE
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*/
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BOOL X11DRV_CreateBitmap( X11DRV_PDEVICE *physDev, HBITMAP hbitmap, LPVOID bmBits )
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{
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X_PHYSBITMAP *physBitmap;
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BITMAP bitmap;
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if (!GetObjectW( hbitmap, sizeof(bitmap), &bitmap )) return FALSE;
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/* Check parameters */
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if (bitmap.bmPlanes != 1) return FALSE;
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/* check if bpp is compatible with screen depth */
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if (!((bitmap.bmBitsPixel == 1) ||
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(bitmap.bmBitsPixel == screen_depth) ||
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(bitmap.bmBitsPixel == 24 && screen_depth == 32) ||
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(bitmap.bmBitsPixel == 32 && screen_depth == 24) ||
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(bitmap.bmBitsPixel == 15 && screen_depth == 16) ||
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(bitmap.bmBitsPixel == 16 && screen_depth == 15)))
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{
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ERR("Trying to make bitmap with planes=%d, bpp=%d\n",
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bitmap.bmPlanes, bitmap.bmBitsPixel);
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return FALSE;
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}
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if (hbitmap == BITMAP_stock_phys_bitmap.hbitmap)
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{
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ERR( "called for stock bitmap, please report\n" );
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return FALSE;
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}
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TRACE("(%p) %dx%d %d bpp\n", hbitmap, bitmap.bmWidth, bitmap.bmHeight, bitmap.bmBitsPixel);
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if (!(physBitmap = X11DRV_init_phys_bitmap( hbitmap ))) return FALSE;
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/* Create the pixmap */
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wine_tsx11_lock();
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physBitmap->pixmap_depth = (bitmap.bmBitsPixel == 1) ? 1 : screen_depth;
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physBitmap->pixmap = XCreatePixmap(gdi_display, root_window,
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bitmap.bmWidth, bitmap.bmHeight, physBitmap->pixmap_depth);
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wine_tsx11_unlock();
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if (!physBitmap->pixmap)
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{
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WARN("Can't create Pixmap\n");
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HeapFree( GetProcessHeap(), 0, physBitmap );
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return FALSE;
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}
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if (bmBits) /* Set bitmap bits */
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{
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X11DRV_SetBitmapBits( hbitmap, bmBits, bitmap.bmHeight * bitmap.bmWidthBytes );
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}
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else /* else clear the bitmap */
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{
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wine_tsx11_lock();
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XSetFunction( gdi_display, BITMAP_GC(physBitmap), GXclear );
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XFillRectangle( gdi_display, physBitmap->pixmap, BITMAP_GC(physBitmap), 0, 0,
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bitmap.bmWidth, bitmap.bmHeight );
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XSetFunction( gdi_display, BITMAP_GC(physBitmap), GXcopy );
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wine_tsx11_unlock();
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}
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return TRUE;
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}
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/***********************************************************************
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* GetBitmapBits (X11DRV.@)
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*
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* RETURNS
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* Success: Number of bytes copied
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* Failure: 0
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*/
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LONG X11DRV_GetBitmapBits( HBITMAP hbitmap, void *buffer, LONG count )
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{
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BITMAP bitmap;
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X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( hbitmap );
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LONG height;
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XImage *image;
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LPBYTE tbuf, startline;
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int h, w;
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if (!physBitmap || !GetObjectW( hbitmap, sizeof(bitmap), &bitmap )) return 0;
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TRACE("(bmp=%p, buffer=%p, count=0x%x)\n", hbitmap, buffer, count);
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wine_tsx11_lock();
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height = count / bitmap.bmWidthBytes;
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image = XGetImage( gdi_display, physBitmap->pixmap, 0, 0,
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bitmap.bmWidth, height, AllPlanes, ZPixmap );
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/* copy XImage to 16 bit padded image buffer with real bitsperpixel */
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startline = buffer;
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switch (bitmap.bmBitsPixel)
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{
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case 1:
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for (h=0;h<height;h++)
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{
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tbuf = startline;
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*tbuf = 0;
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for (w=0;w<bitmap.bmWidth;w++)
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{
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if ((w%8) == 0)
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*tbuf = 0;
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*tbuf |= XGetPixel(image,w,h)<<(7-(w&7));
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if ((w&7) == 7) ++tbuf;
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}
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startline += bitmap.bmWidthBytes;
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}
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break;
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case 4:
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for (h=0;h<height;h++)
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{
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tbuf = startline;
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for (w=0;w<bitmap.bmWidth;w++)
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{
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if (!(w & 1)) *tbuf = XGetPixel( image, w, h) << 4;
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else *tbuf++ |= XGetPixel( image, w, h) & 0x0f;
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}
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startline += bitmap.bmWidthBytes;
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}
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break;
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case 8:
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for (h=0;h<height;h++)
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{
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tbuf = startline;
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for (w=0;w<bitmap.bmWidth;w++)
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*tbuf++ = XGetPixel(image,w,h);
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startline += bitmap.bmWidthBytes;
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}
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break;
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case 15:
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case 16:
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for (h=0;h<height;h++)
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{
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tbuf = startline;
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for (w=0;w<bitmap.bmWidth;w++)
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{
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long pixel = XGetPixel(image,w,h);
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*tbuf++ = pixel & 0xff;
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*tbuf++ = (pixel>>8) & 0xff;
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}
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startline += bitmap.bmWidthBytes;
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}
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break;
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case 24:
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for (h=0;h<height;h++)
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{
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tbuf = startline;
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for (w=0;w<bitmap.bmWidth;w++)
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{
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long pixel = XGetPixel(image,w,h);
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*tbuf++ = pixel & 0xff;
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*tbuf++ = (pixel>> 8) & 0xff;
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*tbuf++ = (pixel>>16) & 0xff;
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}
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startline += bitmap.bmWidthBytes;
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}
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break;
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case 32:
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for (h=0;h<height;h++)
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{
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tbuf = startline;
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for (w=0;w<bitmap.bmWidth;w++)
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{
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long pixel = XGetPixel(image,w,h);
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*tbuf++ = pixel & 0xff;
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*tbuf++ = (pixel>> 8) & 0xff;
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*tbuf++ = (pixel>>16) & 0xff;
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*tbuf++ = (pixel>>24) & 0xff;
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}
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startline += bitmap.bmWidthBytes;
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}
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break;
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default:
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FIXME("Unhandled bits:%d\n", bitmap.bmBitsPixel);
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}
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XDestroyImage( image );
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wine_tsx11_unlock();
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return count;
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}
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/******************************************************************************
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* SetBitmapBits (X11DRV.@)
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*
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* RETURNS
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* Success: Number of bytes used in setting the bitmap bits
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* Failure: 0
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*/
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LONG X11DRV_SetBitmapBits( HBITMAP hbitmap, const void *bits, LONG count )
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{
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BITMAP bitmap;
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X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( hbitmap );
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LONG height;
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XImage *image;
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const BYTE *sbuf, *startline;
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int w, h;
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if (!physBitmap || !GetObjectW( hbitmap, sizeof(bitmap), &bitmap )) return 0;
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TRACE("(bmp=%p, bits=%p, count=0x%x)\n", hbitmap, bits, count);
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height = count / bitmap.bmWidthBytes;
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wine_tsx11_lock();
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image = XCreateImage( gdi_display, visual, physBitmap->pixmap_depth, ZPixmap, 0, NULL,
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bitmap.bmWidth, height, 32, 0 );
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if (!(image->data = malloc(image->bytes_per_line * height)))
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{
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WARN("No memory to create image data.\n");
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XDestroyImage( image );
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wine_tsx11_unlock();
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return 0;
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}
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/* copy 16 bit padded image buffer with real bitsperpixel to XImage */
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startline = bits;
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switch (bitmap.bmBitsPixel)
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{
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case 1:
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for (h=0;h<height;h++)
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{
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sbuf = startline;
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for (w=0;w<bitmap.bmWidth;w++)
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{
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XPutPixel(image,w,h,(sbuf[0]>>(7-(w&7))) & 1);
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if ((w&7) == 7)
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sbuf++;
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}
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startline += bitmap.bmWidthBytes;
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}
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break;
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case 4:
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for (h=0;h<height;h++)
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{
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sbuf = startline;
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for (w=0;w<bitmap.bmWidth;w++)
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{
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if (!(w & 1)) XPutPixel( image, w, h, *sbuf >> 4 );
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else XPutPixel( image, w, h, *sbuf++ & 0xf );
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}
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startline += bitmap.bmWidthBytes;
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}
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break;
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case 8:
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for (h=0;h<height;h++)
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{
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sbuf = startline;
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for (w=0;w<bitmap.bmWidth;w++)
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XPutPixel(image,w,h,*sbuf++);
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startline += bitmap.bmWidthBytes;
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}
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break;
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case 15:
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case 16:
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for (h=0;h<height;h++)
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{
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sbuf = startline;
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for (w=0;w<bitmap.bmWidth;w++)
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{
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XPutPixel(image,w,h,sbuf[1]*256+sbuf[0]);
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sbuf+=2;
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}
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startline += bitmap.bmWidthBytes;
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}
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break;
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case 24:
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for (h=0;h<height;h++)
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{
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sbuf = startline;
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for (w=0;w<bitmap.bmWidth;w++)
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{
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XPutPixel(image,w,h,(sbuf[2]<<16)+(sbuf[1]<<8)+sbuf[0]);
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sbuf += 3;
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}
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startline += bitmap.bmWidthBytes;
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}
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break;
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case 32:
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for (h=0;h<height;h++)
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{
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sbuf = startline;
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for (w=0;w<bitmap.bmWidth;w++)
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{
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XPutPixel(image,w,h,(sbuf[3]<<24)+(sbuf[2]<<16)+(sbuf[1]<<8)+sbuf[0]);
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sbuf += 4;
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}
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startline += bitmap.bmWidthBytes;
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}
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break;
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default:
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FIXME("Unhandled bits:%d\n", bitmap.bmBitsPixel);
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}
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XPutImage( gdi_display, physBitmap->pixmap, BITMAP_GC(physBitmap),
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image, 0, 0, 0, 0, bitmap.bmWidth, height );
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XDestroyImage( image ); /* frees image->data too */
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wine_tsx11_unlock();
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return count;
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}
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/***********************************************************************
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* DeleteBitmap (X11DRV.@)
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*/
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BOOL X11DRV_DeleteBitmap( HBITMAP hbitmap )
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{
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X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( hbitmap );
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if (physBitmap)
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{
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DIBSECTION dib;
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if (GetObjectW( hbitmap, sizeof(dib), &dib ) == sizeof(dib))
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X11DRV_DIB_DeleteDIBSection( physBitmap, &dib );
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if (physBitmap->glxpixmap) destroy_glxpixmap(physBitmap->glxpixmap);
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wine_tsx11_lock();
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if (physBitmap->pixmap) XFreePixmap( gdi_display, physBitmap->pixmap );
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XDeleteContext( gdi_display, (XID)hbitmap, bitmap_context );
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wine_tsx11_unlock();
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HeapFree( GetProcessHeap(), 0, physBitmap );
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}
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return TRUE;
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}
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/***********************************************************************
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* X11DRV_get_phys_bitmap
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*
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* Retrieve the X physical bitmap info.
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*/
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X_PHYSBITMAP *X11DRV_get_phys_bitmap( HBITMAP hbitmap )
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{
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X_PHYSBITMAP *ret;
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wine_tsx11_lock();
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if (XFindContext( gdi_display, (XID)hbitmap, bitmap_context, (char **)&ret )) ret = NULL;
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wine_tsx11_unlock();
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return ret;
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}
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/***********************************************************************
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* X11DRV_init_phys_bitmap
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*
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* Initialize the X physical bitmap info.
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*/
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X_PHYSBITMAP *X11DRV_init_phys_bitmap( HBITMAP hbitmap )
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{
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X_PHYSBITMAP *ret;
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if ((ret = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*ret) )) != NULL)
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{
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ret->hbitmap = hbitmap;
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wine_tsx11_lock();
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XSaveContext( gdi_display, (XID)hbitmap, bitmap_context, (char *)ret );
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wine_tsx11_unlock();
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}
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return ret;
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}
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/***********************************************************************
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* X11DRV_get_pixmap
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*
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* Retrieve the pixmap associated to a bitmap.
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*/
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Pixmap X11DRV_get_pixmap( HBITMAP hbitmap )
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{
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X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( hbitmap );
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if (!physBitmap) return 0;
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return physBitmap->pixmap;
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}
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