/* $Xorg: mfbwindow.c,v 1.3 2000/08/17 19:53:36 cpqbld Exp $ */ /* Combined Purdue/PurduePlus patches, level 2.0, 1/17/89 */ /*********************************************************** Copyright 1987, 1998 The Open Group All Rights Reserved. The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. Except as contained in this notice, the name of The Open Group shall not be used in advertising or otherwise to promote the sale, use or other dealings in this Software without prior written authorization from The Open Group. Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. All Rights Reserved Permission to use, copy, modify, and distribute this software and its documentation for any purpose and without fee is hereby granted, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of Digital not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. ******************************************************************/ #include "X.h" #include "scrnintstr.h" #include "windowstr.h" #include "mfb.h" #include "mistruct.h" #include "regionstr.h" #include "maskbits.h" extern WindowPtr *WindowTable; Bool mfbCreateWindow(pWin) register WindowPtr pWin; { register mfbPrivWin *pPrivWin; pPrivWin = (mfbPrivWin *)(pWin->devPrivates[mfbWindowPrivateIndex].ptr); pPrivWin->pRotatedBorder = NullPixmap; pPrivWin->pRotatedBackground = NullPixmap; pPrivWin->fastBackground = FALSE; pPrivWin->fastBorder = FALSE; return (TRUE); } /* This always returns true, because Xfree can't fail. It might be possible * on some devices for Destroy to fail */ Bool mfbDestroyWindow(pWin) WindowPtr pWin; { register mfbPrivWin *pPrivWin; pPrivWin = (mfbPrivWin *)(pWin->devPrivates[mfbWindowPrivateIndex].ptr); if (pPrivWin->pRotatedBorder) (*pWin->drawable.pScreen->DestroyPixmap)(pPrivWin->pRotatedBorder); if (pPrivWin->pRotatedBackground) (*pWin->drawable.pScreen->DestroyPixmap)(pPrivWin->pRotatedBackground); return (TRUE); } /*ARGSUSED*/ Bool mfbMapWindow(pWindow) WindowPtr pWindow; { return (TRUE); } /* (x, y) is the upper left corner of the window on the screen do we really need to pass this? (is it a;ready in pWin->absCorner?) we only do the rotation for pixmaps that are 32 bits wide (padded or otherwise.) mfbChangeWindowAttributes() has already put a copy of the pixmap in pPrivWin->pRotated* */ /*ARGSUSED*/ Bool mfbPositionWindow(pWin, x, y) register WindowPtr pWin; int x, y; { register mfbPrivWin *pPrivWin; int reset = 0; pPrivWin = (mfbPrivWin *)(pWin->devPrivates[mfbWindowPrivateIndex].ptr); if (pWin->backgroundState == BackgroundPixmap && pPrivWin->fastBackground) { mfbXRotatePixmap(pPrivWin->pRotatedBackground, pWin->drawable.x - pPrivWin->oldRotate.x); mfbYRotatePixmap(pPrivWin->pRotatedBackground, pWin->drawable.y - pPrivWin->oldRotate.y); reset = 1; } if (!pWin->borderIsPixel && pPrivWin->fastBorder) { while (pWin->backgroundState == ParentRelative) pWin = pWin->parent; mfbXRotatePixmap(pPrivWin->pRotatedBorder, pWin->drawable.x - pPrivWin->oldRotate.x); mfbYRotatePixmap(pPrivWin->pRotatedBorder, pWin->drawable.y - pPrivWin->oldRotate.y); reset = 1; } if (reset) { pPrivWin->oldRotate.x = pWin->drawable.x; pPrivWin->oldRotate.y = pWin->drawable.y; } /* This is the "wrong" fix to the right problem, but it doesn't really * cost very much. When the window is moved, we need to invalidate any * RotatedPixmap that exists in any GC currently validated against this * window. */ pWin->drawable.serialNumber = NEXT_SERIAL_NUMBER; /* Again, we have no failure modes indicated by any of the routines * we've called, so we have to assume it worked */ return (TRUE); } /*ARGSUSED*/ Bool mfbUnmapWindow(pWindow) WindowPtr pWindow; { return (TRUE); } /* UNCLEAN! this code calls the bitblt helper code directly. mfbCopyWindow copies only the parts of the destination that are visible in the source. */ void mfbCopyWindow(pWin, ptOldOrg, prgnSrc) WindowPtr pWin; DDXPointRec ptOldOrg; RegionPtr prgnSrc; { DDXPointPtr pptSrc; register DDXPointPtr ppt; RegionPtr prgnDst; register BoxPtr pbox; register int dx, dy; register int i, nbox; WindowPtr pwinRoot; pwinRoot = WindowTable[pWin->drawable.pScreen->myNum]; prgnDst = REGION_CREATE(pWin->drawable.pScreen, NULL, 1); dx = ptOldOrg.x - pWin->drawable.x; dy = ptOldOrg.y - pWin->drawable.y; REGION_TRANSLATE(pWin->drawable.pScreen, prgnSrc, -dx, -dy); REGION_INTERSECT(pWin->drawable.pScreen, prgnDst, &pWin->borderClip, prgnSrc); pbox = REGION_RECTS(prgnDst); nbox = REGION_NUM_RECTS(prgnDst); if(!(pptSrc = (DDXPointPtr )ALLOCATE_LOCAL(nbox * sizeof(DDXPointRec)))) return; ppt = pptSrc; for (i=nbox; --i >= 0; ppt++, pbox++) { ppt->x = pbox->x1 + dx; ppt->y = pbox->y1 + dy; } mfbDoBitblt((DrawablePtr)pwinRoot, (DrawablePtr)pwinRoot, GXcopy, prgnDst, pptSrc); DEALLOCATE_LOCAL(pptSrc); REGION_DESTROY(pWin->drawable.pScreen, prgnDst); } /* swap in correct PaintWindow* routine. If we can use a fast output routine (i.e. the pixmap is paddable to 32 bits), also pre-rotate a copy of it in devPrivate. */ Bool mfbChangeWindowAttributes(pWin, mask) register WindowPtr pWin; register unsigned long mask; { register unsigned long index; register mfbPrivWin *pPrivWin; WindowPtr pBgWin; pPrivWin = (mfbPrivWin *)(pWin->devPrivates[mfbWindowPrivateIndex].ptr); /* * When background state changes from ParentRelative and * we had previously rotated the fast border pixmap to match * the parent relative origin, rerotate to match window */ if (mask & (CWBackPixmap | CWBackPixel) && pWin->backgroundState != ParentRelative && pPrivWin->fastBorder && (pPrivWin->oldRotate.x != pWin->drawable.x || pPrivWin->oldRotate.y != pWin->drawable.y)) { mfbXRotatePixmap(pPrivWin->pRotatedBorder, pWin->drawable.x - pPrivWin->oldRotate.x); mfbYRotatePixmap(pPrivWin->pRotatedBorder, pWin->drawable.y - pPrivWin->oldRotate.y); pPrivWin->oldRotate.x = pWin->drawable.x; pPrivWin->oldRotate.y = pWin->drawable.y; } while(mask) { index = lowbit (mask); mask &= ~index; switch(index) { case CWBackPixmap: if (pWin->backgroundState == None) { pPrivWin->fastBackground = FALSE; } else if (pWin->backgroundState == ParentRelative) { pPrivWin->fastBackground = FALSE; /* Rotate border to match parent origin */ if (pPrivWin->pRotatedBorder) { for (pBgWin = pWin->parent; pBgWin->backgroundState == ParentRelative; pBgWin = pBgWin->parent); mfbXRotatePixmap(pPrivWin->pRotatedBorder, pBgWin->drawable.x - pPrivWin->oldRotate.x); mfbYRotatePixmap(pPrivWin->pRotatedBorder, pBgWin->drawable.y - pPrivWin->oldRotate.y); pPrivWin->oldRotate.x = pBgWin->drawable.x; pPrivWin->oldRotate.y = pBgWin->drawable.y; } } else if ((pWin->background.pixmap->drawable.width <= PPW) && !(pWin->background.pixmap->drawable.width & (pWin->background.pixmap->drawable.width - 1))) { mfbCopyRotatePixmap(pWin->background.pixmap, &pPrivWin->pRotatedBackground, pWin->drawable.x, pWin->drawable.y); if (pPrivWin->pRotatedBackground) { pPrivWin->fastBackground = TRUE; pPrivWin->oldRotate.x = pWin->drawable.x; pPrivWin->oldRotate.y = pWin->drawable.y; } else { pPrivWin->fastBackground = FALSE; } } else { pPrivWin->fastBackground = FALSE; } break; case CWBackPixel: pPrivWin->fastBackground = FALSE; break; case CWBorderPixmap: if ((pWin->border.pixmap->drawable.width <= PPW) && !(pWin->border.pixmap->drawable.width & (pWin->border.pixmap->drawable.width - 1))) { for (pBgWin = pWin; pBgWin->backgroundState == ParentRelative; pBgWin = pBgWin->parent); mfbCopyRotatePixmap(pWin->border.pixmap, &pPrivWin->pRotatedBorder, pBgWin->drawable.x, pBgWin->drawable.y); if (pPrivWin->pRotatedBorder) { pPrivWin->fastBorder = TRUE; pPrivWin->oldRotate.x = pBgWin->drawable.x; pPrivWin->oldRotate.y = pBgWin->drawable.y; } else { pPrivWin->fastBorder = FALSE; } } else { pPrivWin->fastBorder = FALSE; } break; case CWBorderPixel: pPrivWin->fastBorder = FALSE; break; } } /* Again, we have no failure modes indicated by any of the routines * we've called, so we have to assume it worked */ return (TRUE); }