621 lines
16 KiB
C
621 lines
16 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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#include "config.h"
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#include "ts_xlib.h"
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#include "ts_xutil.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include "gdi.h"
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#include "callback.h"
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#include "dc.h"
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#include "bitmap.h"
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#include "heap.h"
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#include "debugtools.h"
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#include "local.h"
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#include "x11drv.h"
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#include "wingdi.h"
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#include "windef.h"
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#include "wine/winuser16.h"
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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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/***********************************************************************
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* X11DRV_BITMAP_Init
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*/
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BOOL 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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if ((tmpPixmap = TSXCreatePixmap(display,
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X11DRV_GetXRootWindow(),
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1, 1,
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1)))
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{
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BITMAP_monoGC = TSXCreateGC( display, tmpPixmap, 0, NULL );
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TSXSetGraphicsExposures( display, BITMAP_monoGC, False );
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TSXFreePixmap( display, tmpPixmap );
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}
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if (X11DRV_GetDepth() != 1)
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{
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if ((tmpPixmap = TSXCreatePixmap(display, X11DRV_GetXRootWindow(),
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1, 1, X11DRV_GetDepth())))
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{
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BITMAP_colorGC = TSXCreateGC( display, tmpPixmap, 0, NULL );
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TSXSetGraphicsExposures( display, BITMAP_colorGC, False );
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TSXFreePixmap( display, tmpPixmap );
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}
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}
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return TRUE;
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}
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/***********************************************************************
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* X11DRV_BITMAP_SelectObject
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*/
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HBITMAP X11DRV_BITMAP_SelectObject( DC * dc, HBITMAP hbitmap,
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BITMAPOBJ * bmp )
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{
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HRGN hrgn;
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HBITMAP prevHandle = dc->w.hBitmap;
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X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
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if (!(dc->w.flags & DC_MEMORY)) return 0;
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if(!bmp->physBitmap)
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if(!X11DRV_CreateBitmap(hbitmap))
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return 0;
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if(bmp->funcs != dc->funcs) {
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WARN("Trying to select non-X11 DDB into an X11 dc\n");
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return 0;
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}
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hrgn = CreateRectRgn(0, 0, bmp->bitmap.bmWidth, bmp->bitmap.bmHeight);
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if (!hrgn) return 0;
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dc->w.totalExtent.left = 0;
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dc->w.totalExtent.top = 0;
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dc->w.totalExtent.right = bmp->bitmap.bmWidth;
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dc->w.totalExtent.bottom = bmp->bitmap.bmHeight;
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physDev->drawable = (Pixmap)bmp->physBitmap;
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dc->w.hBitmap = hbitmap;
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SelectVisRgn16( dc->hSelf, hrgn );
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DeleteObject( hrgn );
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/* Change GC depth if needed */
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if (dc->w.bitsPerPixel != bmp->bitmap.bmBitsPixel)
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{
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TSXFreeGC( display, physDev->gc );
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physDev->gc = TSXCreateGC( display, physDev->drawable, 0, NULL );
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TSXSetGraphicsExposures( display, physDev->gc, False );
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dc->w.bitsPerPixel = bmp->bitmap.bmBitsPixel;
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DC_InitDC( dc );
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}
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return prevHandle;
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}
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/***********************************************************************
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* XPutImage_wrapper
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*
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* Wrapper to call XPutImage with CALL_LARGE_STACK.
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*/
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struct XPutImage_descr
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{
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BITMAPOBJ *bmp;
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XImage *image;
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INT width;
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INT height;
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};
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static int XPutImage_wrapper( const struct XPutImage_descr *descr )
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{
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return XPutImage( display, (Pixmap)descr->bmp->physBitmap, BITMAP_GC(descr->bmp),
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descr->image, 0, 0, 0, 0, descr->width, descr->height );
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}
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/****************************************************************************
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*
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* X11DRV_CreateBitmap
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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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*/
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BOOL X11DRV_CreateBitmap( HBITMAP hbitmap )
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{
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BITMAPOBJ *bmp = (BITMAPOBJ *) GDI_GetObjPtr( hbitmap, BITMAP_MAGIC );
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if(!bmp) {
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WARN("Bad bitmap handle %08x\n", hbitmap);
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return FALSE;
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}
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/* Check parameters */
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if (bmp->bitmap.bmPlanes != 1)
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{
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GDI_ReleaseObj( hbitmap );
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return 0;
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}
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if ((bmp->bitmap.bmBitsPixel != 1) &&
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(bmp->bitmap.bmBitsPixel != X11DRV_GetDepth()))
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{
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ERR("Trying to make bitmap with planes=%d, bpp=%d\n",
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bmp->bitmap.bmPlanes, bmp->bitmap.bmBitsPixel);
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GDI_ReleaseObj( hbitmap );
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return FALSE;
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}
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TRACE("(%08x) %dx%d %d bpp\n", hbitmap, bmp->bitmap.bmWidth,
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bmp->bitmap.bmHeight, bmp->bitmap.bmBitsPixel);
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/* Create the pixmap */
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if (!(bmp->physBitmap = (void *)TSXCreatePixmap(display, X11DRV_GetXRootWindow(),
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bmp->bitmap.bmWidth, bmp->bitmap.bmHeight,
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bmp->bitmap.bmBitsPixel)))
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{
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WARN("Can't create Pixmap\n");
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GDI_ReleaseObj( hbitmap );
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return FALSE;
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}
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bmp->funcs = &X11DRV_DC_Funcs;
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if (bmp->bitmap.bmBits) /* Set bitmap bits */
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X11DRV_BitmapBits( hbitmap, bmp->bitmap.bmBits,
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bmp->bitmap.bmHeight * bmp->bitmap.bmWidthBytes,
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DDB_SET );
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GDI_ReleaseObj( hbitmap );
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return TRUE;
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}
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/***********************************************************************
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* X11DRV_BITMAP_GetXImage
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*
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* Get an X image for a bitmap. For use with CALL_LARGE_STACK.
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*/
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XImage *X11DRV_BITMAP_GetXImage( const BITMAPOBJ *bmp )
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{
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return XGetImage( display, (Pixmap)bmp->physBitmap,
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0, 0, bmp->bitmap.bmWidth, bmp->bitmap.bmHeight,
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AllPlanes, ZPixmap );
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}
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/***********************************************************************
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* X11DRV_GetBitmapBits
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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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static LONG X11DRV_GetBitmapBits(BITMAPOBJ *bmp, void *buffer, LONG count)
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{
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LONG old_height, 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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TRACE("(bmp=%p, buffer=%p, count=0x%lx)\n", bmp, buffer, count);
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EnterCriticalSection( &X11DRV_CritSection );
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/* Hack: change the bitmap height temporarily to avoid */
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/* getting unnecessary bitmap rows. */
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old_height = bmp->bitmap.bmHeight;
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height = bmp->bitmap.bmHeight = count / bmp->bitmap.bmWidthBytes;
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image = (XImage *)CALL_LARGE_STACK( X11DRV_BITMAP_GetXImage, bmp );
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bmp->bitmap.bmHeight = old_height;
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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 (bmp->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<bmp->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 += bmp->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<bmp->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 += bmp->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<bmp->bitmap.bmWidth;w++)
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*tbuf++ = XGetPixel(image,w,h);
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startline += bmp->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<bmp->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 += bmp->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<bmp->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 += bmp->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<bmp->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 += bmp->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", bmp->bitmap.bmBitsPixel);
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}
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XDestroyImage( image );
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LeaveCriticalSection( &X11DRV_CritSection );
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return count;
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}
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/******************************************************************************
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* X11DRV_SetBitmapBits
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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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static LONG X11DRV_SetBitmapBits(BITMAPOBJ *bmp, void *bits, LONG count)
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{
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struct XPutImage_descr descr;
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LONG height;
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XImage *image;
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LPBYTE sbuf, startline;
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int w, h;
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TRACE("(bmp=%p, bits=%p, count=0x%lx)\n", bmp, bits, count);
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height = count / bmp->bitmap.bmWidthBytes;
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EnterCriticalSection( &X11DRV_CritSection );
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image = XCreateImage( display, X11DRV_GetVisual(), bmp->bitmap.bmBitsPixel, ZPixmap, 0, NULL,
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bmp->bitmap.bmWidth, height, 32, 0 );
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if (!(image->data = (LPBYTE)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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LeaveCriticalSection( &X11DRV_CritSection );
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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 (bmp->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<bmp->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 += bmp->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<bmp->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 += bmp->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<bmp->bitmap.bmWidth;w++)
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XPutPixel(image,w,h,*sbuf++);
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startline += bmp->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<bmp->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 += bmp->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<bmp->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 += bmp->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<bmp->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 += bmp->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", bmp->bitmap.bmBitsPixel);
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}
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descr.bmp = bmp;
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descr.image = image;
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descr.width = bmp->bitmap.bmWidth;
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descr.height = height;
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CALL_LARGE_STACK( XPutImage_wrapper, &descr );
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XDestroyImage( image ); /* frees image->data too */
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LeaveCriticalSection( &X11DRV_CritSection );
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return count;
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}
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/***********************************************************************
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* X11DRV_BitmapBits
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*/
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LONG X11DRV_BitmapBits(HBITMAP hbitmap, void *bits, LONG count, WORD flags)
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{
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BITMAPOBJ *bmp = (BITMAPOBJ *) GDI_GetObjPtr( hbitmap, BITMAP_MAGIC );
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LONG ret;
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if(!bmp) {
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WARN("Bad bitmap handle %08x\n", hbitmap);
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return FALSE;
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}
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|
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if(flags == DDB_GET)
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ret = X11DRV_GetBitmapBits(bmp, bits, count);
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else if(flags == DDB_SET)
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ret = X11DRV_SetBitmapBits(bmp, bits, count);
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else {
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ERR("Unknown flags value %d\n", flags);
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ret = 0;
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}
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GDI_ReleaseObj( hbitmap );
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return ret;
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}
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|
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/***********************************************************************
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* X11DRV_BITMAP_DeleteObject
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*/
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BOOL X11DRV_BITMAP_DeleteObject( HBITMAP hbitmap, BITMAPOBJ * bmp )
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{
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TSXFreePixmap( display, (Pixmap)bmp->physBitmap );
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bmp->physBitmap = NULL;
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bmp->funcs = NULL;
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return TRUE;
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}
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|
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/**************************************************************************
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* X11DRV_BITMAP_CreateBitmapHeaderFromPixmap
|
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*
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* Allocates an HBITMAP which references the Pixmap passed in.
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* Note: This function makes the bitmap an owner of the Pixmap so subsequently
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* calling DeleteObject on this will free the Pixmap as well.
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*/
|
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HBITMAP X11DRV_BITMAP_CreateBitmapHeaderFromPixmap(Pixmap pixmap)
|
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{
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HBITMAP hBmp = 0;
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BITMAPOBJ *pBmp = NULL;
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Window root;
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int x,y; /* Unused */
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unsigned border_width; /* Unused */
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unsigned int depth, width, height;
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|
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/* Get the Pixmap dimensions and bit depth */
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if ( 0 == TSXGetGeometry(display, pixmap, &root, &x, &y, &width, &height,
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&border_width, &depth) )
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goto END;
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|
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TRACE("\tPixmap properties: width=%d, height=%d, depth=%d\n",
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width, height, depth);
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|
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/*
|
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* Create an HBITMAP with the same dimensions and BPP as the pixmap,
|
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* and make it a container for the pixmap passed.
|
|
*/
|
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hBmp = CreateBitmap( width, height, 1, depth, NULL );
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|
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pBmp = (BITMAPOBJ *)GDI_GetObjPtr( hBmp, BITMAP_MAGIC );
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|
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pBmp->funcs = &X11DRV_DC_Funcs;
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pBmp->physBitmap = (void *)pixmap;
|
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GDI_ReleaseObj( hBmp );
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|
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END:
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TRACE("\tReturning HBITMAP %x\n", hBmp);
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return hBmp;
|
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}
|
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|
|
|
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/**************************************************************************
|
|
* X11DRV_BITMAP_CreateBitmapFromPixmap
|
|
*
|
|
* Allocates an HBITMAP and copies the Pixmap data into it.
|
|
* If bDeletePixmap is TRUE, the Pixmap passed in is deleted after the conversion.
|
|
*/
|
|
HBITMAP X11DRV_BITMAP_CreateBitmapFromPixmap(Pixmap pixmap, BOOL bDeletePixmap)
|
|
{
|
|
HBITMAP hBmp = 0, hBmpCopy = 0;
|
|
BITMAPOBJ *pBmp = NULL;
|
|
unsigned int width, height;
|
|
|
|
/* Allocate an HBITMAP which references the Pixmap passed to us */
|
|
hBmp = X11DRV_BITMAP_CreateBitmapHeaderFromPixmap(pixmap);
|
|
if (!hBmp)
|
|
{
|
|
TRACE("\tCould not create bitmap header for Pixmap\n");
|
|
goto END;
|
|
}
|
|
|
|
/* Get the bitmap dimensions */
|
|
width = pBmp->bitmap.bmWidth;
|
|
height = pBmp->bitmap.bmHeight;
|
|
|
|
hBmpCopy = CopyImage(hBmp, IMAGE_BITMAP, width, height, LR_CREATEDIBSECTION);
|
|
|
|
/* We can now get rid of the HBITMAP wrapper we created earlier.
|
|
* Note: Simply calling DeleteObject will free the embedded Pixmap as well.
|
|
*/
|
|
if (!bDeletePixmap)
|
|
{
|
|
/* Manually clear the bitmap internals to prevent the Pixmap
|
|
* from being deleted by DeleteObject.
|
|
*/
|
|
pBmp->physBitmap = NULL;
|
|
pBmp->funcs = NULL;
|
|
}
|
|
DeleteObject(hBmp);
|
|
|
|
END:
|
|
TRACE("\tReturning HBITMAP %x\n", hBmpCopy);
|
|
return hBmpCopy;
|
|
}
|
|
|
|
|
|
/**************************************************************************
|
|
* X11DRV_BITMAP_CreatePixmapFromBitmap
|
|
*
|
|
* Creates a Pixmap from a bitmap
|
|
*/
|
|
Pixmap X11DRV_BITMAP_CreatePixmapFromBitmap( HBITMAP hBmp, HDC hdc )
|
|
{
|
|
HGLOBAL hPackedDIB = 0;
|
|
Pixmap pixmap = 0;
|
|
|
|
/*
|
|
* Create a packed DIB from the bitmap passed to us.
|
|
* A packed DIB contains a BITMAPINFO structure followed immediately by
|
|
* an optional color palette and the pixel data.
|
|
*/
|
|
hPackedDIB = DIB_CreateDIBFromBitmap(hdc, hBmp);
|
|
|
|
/* Create a Pixmap from the packed DIB */
|
|
pixmap = X11DRV_DIB_CreatePixmapFromDIB( hPackedDIB, hdc );
|
|
|
|
/* Free the temporary packed DIB */
|
|
GlobalFree(hPackedDIB);
|
|
|
|
return pixmap;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* X11DRV_BITMAP_Pixmap
|
|
*
|
|
* This function exists solely for x11 driver of the window system.
|
|
*/
|
|
Pixmap X11DRV_BITMAP_Pixmap(HBITMAP hbitmap)
|
|
{
|
|
Pixmap pixmap;
|
|
BITMAPOBJ *bmp = (BITMAPOBJ *) GDI_GetObjPtr( hbitmap, BITMAP_MAGIC );
|
|
pixmap = (Pixmap)bmp->physBitmap;
|
|
GDI_ReleaseObj( hbitmap );
|
|
return pixmap;
|
|
}
|
|
|