From f4092abdf94af6a99aff944d6264bc1284e8bdd4 Mon Sep 17 00:00:00 2001 From: Reinhard Tartler Date: Mon, 10 Oct 2011 17:43:39 +0200 Subject: Imported nx-X11-3.1.0-1.tar.gz Summary: Imported nx-X11-3.1.0-1.tar.gz Keywords: Imported nx-X11-3.1.0-1.tar.gz into Git repository --- nx-X11/programs/Xserver/ilbm/ilbmbres.c | 328 ++++++++++++++++++++++++++++++++ 1 file changed, 328 insertions(+) create mode 100644 nx-X11/programs/Xserver/ilbm/ilbmbres.c (limited to 'nx-X11/programs/Xserver/ilbm/ilbmbres.c') diff --git a/nx-X11/programs/Xserver/ilbm/ilbmbres.c b/nx-X11/programs/Xserver/ilbm/ilbmbres.c new file mode 100644 index 000000000..49058d446 --- /dev/null +++ b/nx-X11/programs/Xserver/ilbm/ilbmbres.c @@ -0,0 +1,328 @@ +/* $XFree86$ */ +/* Combined Purdue/PurduePlus patches, level 2.0, 1/17/89 */ +/*********************************************************** + +Copyright (c) 1987 X Consortium + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +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 +X CONSORTIUM 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 X Consortium 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 X Consortium. + + +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. + +******************************************************************/ +/* $XConsortium: ilbmbres.c,v 1.22 94/04/17 20:28:17 dpw Exp $ */ + +/* Modified jun 95 by Geert Uytterhoeven (Geert.Uytterhoeven@cs.kuleuven.ac.be) + to use interleaved bitplanes instead of normal bitplanes */ + +#ifdef HAVE_DIX_CONFIG_H +#include +#endif + +#include +#include "misc.h" +#include "ilbm.h" +#include "maskbits.h" +#include "miline.h" + +/* Solid bresenham line */ +/* NOTES + e2 is used less often than e1, so it's not in a register +*/ + +void +ilbmBresS(addrlbase, nlwidth, auxDst, depthDst, signdx, signdy, axis, x1, y1, + e, e1, e2, len, rrops) +PixelType *addrlbase; /* pointer to base of bitmap */ +int nlwidth; /* width in longwords of bitmap */ +int auxDst; +int depthDst; +int signdx, signdy; /* signs of directions */ +int axis; /* major axis (Y_AXIS or X_AXIS) */ +int x1, y1; /* initial point */ +register int e; /* error accumulator */ +register int e1; /* bresenham increments */ +int e2; +int len; /* length of line */ +unsigned char *rrops; +{ + register int yinc; /* increment to next scanline, in bytes */ + register PixelType *addrl; /* bitmask long pointer */ + register PixelType bit; /* current bit being set/cleared/etc. */ + PixelType leftbit = mask[0]; /* leftmost bit to process in new word */ + PixelType rightbit = mask[PPW-1]; /* rightmost bit to process in new word */ + + register int e3 = e2-e1; + PixelType tmp; + int saveE; + int saveLen; + int d; + + /* point to longword containing first point */ + yinc = signdy * auxDst; + e = e-e1; /* to make looping easier */ + + if (!len) + return; + + saveLen = len; + saveE = e; + + for (d = 0; d < depthDst; d++) { + addrl = ilbmScanline(addrlbase, x1, y1, auxDst); + addrlbase += nlwidth; /* @@@ NEXT PLANE @@@ */ + len = saveLen; + e = saveE; + bit = mask[x1 & PIM]; + + switch (rrops[d]) { + case RROP_BLACK: + if (axis == X_AXIS) { + if (signdx > 0) { + tmp = *addrl; + for (;;) { + tmp &= ~bit; + if (!--len) + break; + bit = SCRRIGHT(bit,1); + e += e1; + if (e >= 0) { + *addrl = tmp; + ilbmScanlineInc(addrl, yinc); + e += e3; + if (!bit) { + bit = leftbit; + addrl ++; + } + tmp = *addrl; + } else if (!bit) { + *addrl = tmp; + bit = leftbit; + addrl ++; + tmp = *addrl; + } + } + *addrl = tmp; + } else { + tmp = *addrl; + for (;;) { + tmp &= ~bit; + if (!--len) + break; + e += e1; + bit = SCRLEFT(bit,1); + if (e >= 0) { + *addrl = tmp; + ilbmScanlineInc(addrl, yinc); + e += e3; + if (!bit) { + bit = rightbit; + addrl --; + } + tmp = *addrl; + } else if (!bit) { + *addrl = tmp; + bit = rightbit; + addrl --; + tmp = *addrl; + } + } + *addrl = tmp; + } + } /* if X_AXIS */ else { + if (signdx > 0) { + while (len--) { + *addrl &= ~bit; + e += e1; + if (e >= 0) { + bit = SCRRIGHT(bit,1); + if (!bit) { bit = leftbit;addrl ++; } + e += e3; + } + ilbmScanlineInc(addrl, yinc); + } + } else { + while (len--) { + *addrl &= ~bit; + e += e1; + if (e >= 0) { + bit = SCRLEFT(bit,1); + if (!bit) { bit = rightbit;addrl --; } + e += e3; + } + ilbmScanlineInc(addrl, yinc); + } + } + } /* else Y_AXIS */ + break; + + case RROP_WHITE: + if (axis == X_AXIS) { + if (signdx > 0) { + tmp = *addrl; + for (;;) { + tmp |= bit; + if (!--len) + break; + e += e1; + bit = SCRRIGHT(bit,1); + if (e >= 0) { + *addrl = tmp; + ilbmScanlineInc(addrl, yinc); + e += e3; + if (!bit) { + bit = leftbit; + addrl ++; + } + tmp = *addrl; + } else if (!bit) { + *addrl = tmp; + bit = leftbit; + addrl ++; + tmp = *addrl; + } + } + *addrl = tmp; + } else { + tmp = *addrl; + for (;;) { + tmp |= bit; + if (!--len) + break; + e += e1; + bit = SCRLEFT(bit,1); + if (e >= 0) { + *addrl = tmp; + ilbmScanlineInc(addrl, yinc); + e += e3; + if (!bit) { + bit = rightbit; + addrl --; + } + tmp = *addrl; + } else if (!bit) { + *addrl = tmp; + bit = rightbit; + addrl --; + tmp = *addrl; + } + } + *addrl = tmp; + } + } /* if X_AXIS */ else { + if (signdx > 0) { + while (len--) { + *addrl |= bit; + e += e1; + if (e >= 0) { + bit = SCRRIGHT(bit,1); + if (!bit) { bit = leftbit;addrl ++; } + e += e3; + } + ilbmScanlineInc(addrl, yinc); + } + } else { + while (len--) { + *addrl |= bit; + e += e1; + if (e >= 0) { + bit = SCRLEFT(bit,1); + if (!bit) { bit = rightbit;addrl --; } + e += e3; + } + ilbmScanlineInc(addrl, yinc); + } + } + } /* else Y_AXIS */ + break; + + case RROP_INVERT: + if (axis == X_AXIS) { + if (signdx > 0) { + while (len--) { + *addrl ^= bit; + e += e1; + if (e >= 0) { + ilbmScanlineInc(addrl, yinc); + e += e3; + } + bit = SCRRIGHT(bit,1); + if (!bit) { bit = leftbit;addrl ++; } + } + } else { + while (len--) { + *addrl ^= bit; + e += e1; + if (e >= 0) { + ilbmScanlineInc(addrl, yinc); + e += e3; + } + bit = SCRLEFT(bit,1); + if (!bit) { bit = rightbit;addrl --; } + } + } + } /* if X_AXIS */ else { + if (signdx > 0) { + while (len--) { + *addrl ^= bit; + e += e1; + if (e >= 0) { + bit = SCRRIGHT(bit,1); + if (!bit) { bit = leftbit;addrl ++; } + e += e3; + } + ilbmScanlineInc(addrl, yinc); + } + } else { + while (len--) { + *addrl ^= bit; + e += e1; + if (e >= 0) { + bit = SCRLEFT(bit,1); + if (!bit) { bit = rightbit; addrl --; } + e += e3; + } + ilbmScanlineInc(addrl, yinc); + } + } + } /* else Y_AXIS */ + } /* switch */ + } /* for (d = ... ) */ +} -- cgit v1.2.3