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Sweden-Number/graphics/x11drv/bitmap.c

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/*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include "ts_xlib.h"
#include "ts_xutil.h"
#include <stdio.h>
#include <stdlib.h>
#include "gdi.h"
#include "bitmap.h"
#include "wine/debug.h"
#include "x11drv.h"
#include "wingdi.h"
#include "windef.h"
#include "wine/winuser16.h"
WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
/* GCs used for B&W and color bitmap operations */
GC BITMAP_monoGC = 0, BITMAP_colorGC = 0;
extern const DC_FUNCTIONS *X11DRV_DC_Funcs; /* hack */
/***********************************************************************
* X11DRV_BITMAP_Init
*/
BOOL X11DRV_BITMAP_Init(void)
{
Pixmap tmpPixmap;
/* Create the necessary GCs */
wine_tsx11_lock();
if ((tmpPixmap = XCreatePixmap( gdi_display, root_window, 1, 1, 1 )))
{
BITMAP_monoGC = XCreateGC( gdi_display, tmpPixmap, 0, NULL );
XSetGraphicsExposures( gdi_display, BITMAP_monoGC, False );
XSetSubwindowMode( gdi_display, BITMAP_monoGC, IncludeInferiors );
XFreePixmap( gdi_display, tmpPixmap );
}
if (screen_depth != 1)
{
if ((tmpPixmap = XCreatePixmap( gdi_display, root_window, 1, 1, screen_depth )))
{
BITMAP_colorGC = XCreateGC( gdi_display, tmpPixmap, 0, NULL );
XSetGraphicsExposures( gdi_display, BITMAP_colorGC, False );
XSetSubwindowMode( gdi_display, BITMAP_colorGC, IncludeInferiors );
XFreePixmap( gdi_display, tmpPixmap );
}
}
wine_tsx11_unlock();
return TRUE;
}
/***********************************************************************
* X11DRV_BITMAP_SelectObject
*/
HBITMAP X11DRV_BITMAP_SelectObject( DC * dc, HBITMAP hbitmap )
{
BITMAPOBJ *bmp;
HRGN hrgn;
HBITMAP prevHandle = dc->hBitmap;
X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
if (!(dc->flags & DC_MEMORY)) return 0;
if (hbitmap == dc->hBitmap) return hbitmap; /* nothing to do */
if (!(bmp = GDI_GetObjPtr( hbitmap, BITMAP_MAGIC ))) return 0;
if (bmp->header.dwCount && (hbitmap != GetStockObject(DEFAULT_BITMAP)))
{
WARN( "Bitmap already selected in another DC\n" );
GDI_ReleaseObj( hbitmap );
return 0;
}
if(!bmp->physBitmap)
{
if(!X11DRV_CreateBitmap(hbitmap))
{
GDI_ReleaseObj( hbitmap );
return 0;
}
}
if(bmp->funcs != dc->funcs) {
WARN("Trying to select non-X11 DDB into an X11 dc\n");
GDI_ReleaseObj( hbitmap );
return 0;
}
if (!(hrgn = CreateRectRgn(0, 0, bmp->bitmap.bmWidth, bmp->bitmap.bmHeight)))
{
GDI_ReleaseObj( hbitmap );
return 0;
}
dc->totalExtent.left = 0;
dc->totalExtent.top = 0;
dc->totalExtent.right = bmp->bitmap.bmWidth;
dc->totalExtent.bottom = bmp->bitmap.bmHeight;
physDev->drawable = (Pixmap)bmp->physBitmap;
dc->hBitmap = hbitmap;
SelectVisRgn16( dc->hSelf, hrgn );
DeleteObject( hrgn );
/* Change GC depth if needed */
if (dc->bitsPerPixel != bmp->bitmap.bmBitsPixel)
{
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();
dc->bitsPerPixel = bmp->bitmap.bmBitsPixel;
DC_InitDC( dc );
}
GDI_ReleaseObj( hbitmap );
return prevHandle;
}
/****************************************************************************
*
* X11DRV_CreateBitmap
*
* Create a device dependent X11 bitmap
*
* Returns TRUE on success else FALSE
*
*/
BOOL X11DRV_CreateBitmap( HBITMAP hbitmap )
{
BITMAPOBJ *bmp = (BITMAPOBJ *) GDI_GetObjPtr( hbitmap, BITMAP_MAGIC );
if(!bmp) {
WARN("Bad bitmap handle %08x\n", hbitmap);
return FALSE;
}
/* Check parameters */
if (bmp->bitmap.bmPlanes != 1)
{
GDI_ReleaseObj( hbitmap );
return 0;
}
if ((bmp->bitmap.bmBitsPixel != 1) && (bmp->bitmap.bmBitsPixel != screen_depth))
{
ERR("Trying to make bitmap with planes=%d, bpp=%d\n",
bmp->bitmap.bmPlanes, bmp->bitmap.bmBitsPixel);
GDI_ReleaseObj( hbitmap );
return FALSE;
}
TRACE("(%08x) %dx%d %d bpp\n", hbitmap, bmp->bitmap.bmWidth,
bmp->bitmap.bmHeight, bmp->bitmap.bmBitsPixel);
/* Create the pixmap */
if (!(bmp->physBitmap = (void *)TSXCreatePixmap(gdi_display, root_window,
bmp->bitmap.bmWidth, bmp->bitmap.bmHeight,
bmp->bitmap.bmBitsPixel)))
{
WARN("Can't create Pixmap\n");
GDI_ReleaseObj( hbitmap );
return FALSE;
}
bmp->funcs = X11DRV_DC_Funcs;
if (bmp->bitmap.bmBits) /* Set bitmap bits */
X11DRV_BitmapBits( hbitmap, bmp->bitmap.bmBits,
bmp->bitmap.bmHeight * bmp->bitmap.bmWidthBytes,
DDB_SET );
GDI_ReleaseObj( hbitmap );
return TRUE;
}
/***********************************************************************
* X11DRV_GetBitmapBits
*
* RETURNS
* Success: Number of bytes copied
* Failure: 0
*/
static LONG X11DRV_GetBitmapBits(BITMAPOBJ *bmp, void *buffer, LONG count)
{
LONG old_height, height;
XImage *image;
LPBYTE tbuf, startline;
int h, w;
TRACE("(bmp=%p, buffer=%p, count=0x%lx)\n", bmp, buffer, count);
wine_tsx11_lock();
/* Hack: change the bitmap height temporarily to avoid */
/* getting unnecessary bitmap rows. */
old_height = bmp->bitmap.bmHeight;
height = bmp->bitmap.bmHeight = count / bmp->bitmap.bmWidthBytes;
image = XGetImage( gdi_display, (Pixmap)bmp->physBitmap,
0, 0, bmp->bitmap.bmWidth, bmp->bitmap.bmHeight,
AllPlanes, ZPixmap );
bmp->bitmap.bmHeight = old_height;
/* copy XImage to 16 bit padded image buffer with real bitsperpixel */
startline = buffer;
switch (bmp->bitmap.bmBitsPixel)
{
case 1:
for (h=0;h<height;h++)
{
tbuf = startline;
*tbuf = 0;
for (w=0;w<bmp->bitmap.bmWidth;w++)
{
if ((w%8) == 0)
*tbuf = 0;
*tbuf |= XGetPixel(image,w,h)<<(7-(w&7));
if ((w&7) == 7) ++tbuf;
}
startline += bmp->bitmap.bmWidthBytes;
}
break;
case 4:
for (h=0;h<height;h++)
{
tbuf = startline;
for (w=0;w<bmp->bitmap.bmWidth;w++)
{
if (!(w & 1)) *tbuf = XGetPixel( image, w, h) << 4;
else *tbuf++ |= XGetPixel( image, w, h) & 0x0f;
}
startline += bmp->bitmap.bmWidthBytes;
}
break;
case 8:
for (h=0;h<height;h++)
{
tbuf = startline;
for (w=0;w<bmp->bitmap.bmWidth;w++)
*tbuf++ = XGetPixel(image,w,h);
startline += bmp->bitmap.bmWidthBytes;
}
break;
case 15:
case 16:
for (h=0;h<height;h++)
{
tbuf = startline;
for (w=0;w<bmp->bitmap.bmWidth;w++)
{
long pixel = XGetPixel(image,w,h);
*tbuf++ = pixel & 0xff;
*tbuf++ = (pixel>>8) & 0xff;
}
startline += bmp->bitmap.bmWidthBytes;
}
break;
case 24:
for (h=0;h<height;h++)
{
tbuf = startline;
for (w=0;w<bmp->bitmap.bmWidth;w++)
{
long pixel = XGetPixel(image,w,h);
*tbuf++ = pixel & 0xff;
*tbuf++ = (pixel>> 8) & 0xff;
*tbuf++ = (pixel>>16) & 0xff;
}
startline += bmp->bitmap.bmWidthBytes;
}
break;
case 32:
for (h=0;h<height;h++)
{
tbuf = startline;
for (w=0;w<bmp->bitmap.bmWidth;w++)
{
long pixel = XGetPixel(image,w,h);
*tbuf++ = pixel & 0xff;
*tbuf++ = (pixel>> 8) & 0xff;
*tbuf++ = (pixel>>16) & 0xff;
*tbuf++ = (pixel>>24) & 0xff;
}
startline += bmp->bitmap.bmWidthBytes;
}
break;
default:
FIXME("Unhandled bits:%d\n", bmp->bitmap.bmBitsPixel);
}
XDestroyImage( image );
wine_tsx11_unlock();
return count;
}
/******************************************************************************
* X11DRV_SetBitmapBits
*
* RETURNS
* Success: Number of bytes used in setting the bitmap bits
* Failure: 0
*/
static LONG X11DRV_SetBitmapBits(BITMAPOBJ *bmp, void *bits, LONG count)
{
LONG height;
XImage *image;
LPBYTE sbuf, startline;
int w, h;
TRACE("(bmp=%p, bits=%p, count=0x%lx)\n", bmp, bits, count);
height = count / bmp->bitmap.bmWidthBytes;
wine_tsx11_lock();
image = XCreateImage( gdi_display, visual, bmp->bitmap.bmBitsPixel, ZPixmap, 0, NULL,
bmp->bitmap.bmWidth, height, 32, 0 );
if (!(image->data = (LPBYTE)malloc(image->bytes_per_line * height)))
{
WARN("No memory to create image data.\n");
XDestroyImage( image );
wine_tsx11_unlock();
return 0;
}
/* copy 16 bit padded image buffer with real bitsperpixel to XImage */
startline = bits;
switch (bmp->bitmap.bmBitsPixel)
{
case 1:
for (h=0;h<height;h++)
{
sbuf = startline;
for (w=0;w<bmp->bitmap.bmWidth;w++)
{
XPutPixel(image,w,h,(sbuf[0]>>(7-(w&7))) & 1);
if ((w&7) == 7)
sbuf++;
}
startline += bmp->bitmap.bmWidthBytes;
}
break;
case 4:
for (h=0;h<height;h++)
{
sbuf = startline;
for (w=0;w<bmp->bitmap.bmWidth;w++)
{
if (!(w & 1)) XPutPixel( image, w, h, *sbuf >> 4 );
else XPutPixel( image, w, h, *sbuf++ & 0xf );
}
startline += bmp->bitmap.bmWidthBytes;
}
break;
case 8:
for (h=0;h<height;h++)
{
sbuf = startline;
for (w=0;w<bmp->bitmap.bmWidth;w++)
XPutPixel(image,w,h,*sbuf++);
startline += bmp->bitmap.bmWidthBytes;
}
break;
case 15:
case 16:
for (h=0;h<height;h++)
{
sbuf = startline;
for (w=0;w<bmp->bitmap.bmWidth;w++)
{
XPutPixel(image,w,h,sbuf[1]*256+sbuf[0]);
sbuf+=2;
}
startline += bmp->bitmap.bmWidthBytes;
}
break;
case 24:
for (h=0;h<height;h++)
{
sbuf = startline;
for (w=0;w<bmp->bitmap.bmWidth;w++)
{
XPutPixel(image,w,h,(sbuf[2]<<16)+(sbuf[1]<<8)+sbuf[0]);
sbuf += 3;
}
startline += bmp->bitmap.bmWidthBytes;
}
break;
case 32:
for (h=0;h<height;h++)
{
sbuf = startline;
for (w=0;w<bmp->bitmap.bmWidth;w++)
{
XPutPixel(image,w,h,(sbuf[3]<<24)+(sbuf[2]<<16)+(sbuf[1]<<8)+sbuf[0]);
sbuf += 4;
}
startline += bmp->bitmap.bmWidthBytes;
}
break;
default:
FIXME("Unhandled bits:%d\n", bmp->bitmap.bmBitsPixel);
}
XPutImage( gdi_display, (Pixmap)bmp->physBitmap, BITMAP_GC(bmp),
image, 0, 0, 0, 0, bmp->bitmap.bmWidth, height );
XDestroyImage( image ); /* frees image->data too */
wine_tsx11_unlock();
return count;
}
/***********************************************************************
* X11DRV_BitmapBits
*/
LONG X11DRV_BitmapBits(HBITMAP hbitmap, void *bits, LONG count, WORD flags)
{
BITMAPOBJ *bmp = (BITMAPOBJ *) GDI_GetObjPtr( hbitmap, BITMAP_MAGIC );
LONG ret;
if(!bmp) {
WARN("Bad bitmap handle %08x\n", hbitmap);
return FALSE;
}
if(flags == DDB_GET)
ret = X11DRV_GetBitmapBits(bmp, bits, count);
else if(flags == DDB_SET)
ret = X11DRV_SetBitmapBits(bmp, bits, count);
else {
ERR("Unknown flags value %d\n", flags);
ret = 0;
}
GDI_ReleaseObj( hbitmap );
return ret;
}
/***********************************************************************
* X11DRV_BITMAP_DeleteObject
*/
BOOL X11DRV_BITMAP_DeleteObject( HBITMAP hbitmap )
{
BITMAPOBJ *bmp = (BITMAPOBJ *) GDI_GetObjPtr( hbitmap, BITMAP_MAGIC );
if (bmp)
{
TSXFreePixmap( gdi_display, (Pixmap)bmp->physBitmap );
bmp->physBitmap = NULL;
bmp->funcs = NULL;
GDI_ReleaseObj( hbitmap );
}
return TRUE;
}
/**************************************************************************
* X11DRV_BITMAP_CreateBitmapHeaderFromPixmap
*
* Allocates an HBITMAP which references the Pixmap passed in.
* Note: This function makes the bitmap an owner of the Pixmap so subsequently
* calling DeleteObject on this will free the Pixmap as well.
*/
HBITMAP X11DRV_BITMAP_CreateBitmapHeaderFromPixmap(Pixmap pixmap)
{
HBITMAP hBmp = 0;
BITMAPOBJ *pBmp = NULL;
Window root;
int x,y; /* Unused */
unsigned border_width; /* Unused */
unsigned int depth, width, height;
/* Get the Pixmap dimensions and bit depth */
if ( 0 == TSXGetGeometry(gdi_display, pixmap, &root, &x, &y, &width, &height,
&border_width, &depth) )
goto END;
TRACE("\tPixmap properties: width=%d, height=%d, depth=%d\n",
width, height, depth);
/*
* Create an HBITMAP with the same dimensions and BPP as the pixmap,
* and make it a container for the pixmap passed.
*/
hBmp = CreateBitmap( width, height, 1, depth, NULL );
pBmp = (BITMAPOBJ *)GDI_GetObjPtr( hBmp, BITMAP_MAGIC );
pBmp->funcs = X11DRV_DC_Funcs;
pBmp->physBitmap = (void *)pixmap;
GDI_ReleaseObj( hBmp );
END:
TRACE("\tReturning HBITMAP %x\n", hBmp);
return hBmp;
}
/**************************************************************************
* 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 );
if (bmp) {
pixmap = (Pixmap)bmp->physBitmap;
GDI_ReleaseObj( hbitmap );
}
else {
ERR("handle %08x returned no obj\n", hbitmap);
pixmap = 0;
}
return pixmap;
}
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