image.c revision 943
546N/A/*
546N/A * Copyright (c) 1988-91 by Patrick J. Naughton.
546N/A *
546N/A * Permission to use, copy, modify, and distribute this software and its
546N/A * documentation for any purpose and without fee is hereby granted,
546N/A * provided that the above copyright notice appear in all copies and that
546N/A * both that copyright notice and this permission notice appear in
546N/A * supporting documentation.
546N/A *
546N/A * This file is provided AS IS with no warranties of any kind. The author
546N/A * shall have no liability with respect to the infringement of copyrights,
546N/A * trade secrets or any patents by this file or any part thereof. In no
546N/A * event will the author be liable for any lost revenue or profits or
546N/A * other special, indirect and consequential damages.
546N/A */
546N/A
546N/A/*
943N/A * Copyright (c) 1990, 1994, Oracle and/or its affiliates. All rights reserved.
546N/A *
546N/A * Permission is hereby granted, free of charge, to any person obtaining a
919N/A * copy of this software and associated documentation files (the "Software"),
919N/A * to deal in the Software without restriction, including without limitation
919N/A * the rights to use, copy, modify, merge, publish, distribute, sublicense,
919N/A * and/or sell copies of the Software, and to permit persons to whom the
919N/A * Software is furnished to do so, subject to the following conditions:
546N/A *
919N/A * The above copyright notice and this permission notice (including the next
919N/A * paragraph) shall be included in all copies or substantial portions of the
919N/A * Software.
546N/A *
919N/A * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
919N/A * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
919N/A * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
919N/A * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
919N/A * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
919N/A * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
919N/A * DEALINGS IN THE SOFTWARE.
546N/A */
546N/A
546N/A/*-
546N/A * image.c - image bouncer for xlock, the X Window System lockscreen.
546N/A *
546N/A * Copyright (c) 1991 by Patrick J. Naughton.
546N/A *
546N/A * See xlock.c for copying information.
546N/A *
546N/A * Revision History:
546N/A * 29-Jul-90: Written.
546N/A */
546N/A
546N/A#include "xlock.h"
546N/A#include "sunlogo.bit"
546N/A
546N/Astatic XImage logo = {
546N/A 0, 0, /* width, height */
546N/A 0, XYBitmap, 0, /* xoffset, format, data */
546N/A LSBFirst, 8, /* byte-order, bitmap-unit */
546N/A LSBFirst, 8, 1 /* bitmap-bit-order, bitmap-pad, depth */
546N/A};
546N/A
546N/A#define MAXICONS 1024
546N/A
546N/Atypedef struct {
546N/A int x;
546N/A int y;
546N/A} point;
546N/A
546N/Atypedef struct {
546N/A int width;
546N/A int height;
546N/A int nrows;
546N/A int ncols;
546N/A int xb;
546N/A int yb;
546N/A int iconmode;
546N/A int iconcount;
546N/A point icons[MAXICONS];
546N/A long startTime;
546N/A} imagestruct;
546N/A
546N/Aextern XColor ssblack[];
546N/Aextern XColor sswhite[];
546N/A
546N/Astatic imagestruct ims[MAXSCREENS];
546N/A
546N/Avoid
546N/Adrawimage(win)
546N/A Window win;
546N/A{
546N/A imagestruct *ip = &ims[screen];
546N/A int i;
546N/A
546N/A XSetForeground(dsp, Scr[screen].gc, ssblack[screen].pixel);
546N/A for (i = 0; i < ip->iconcount; i++) {
546N/A if (!ip->iconmode)
546N/A XFillRectangle(dsp, win, Scr[screen].gc,
546N/A ip->xb + sunlogo_width * ip->icons[i].x,
546N/A ip->yb + sunlogo_height * ip->icons[i].y,
546N/A sunlogo_width, sunlogo_height);
546N/A
546N/A ip->icons[i].x = random() % ip->ncols;
546N/A ip->icons[i].y = random() % ip->nrows;
546N/A }
546N/A if (Scr[screen].npixels == 2)
546N/A XSetForeground(dsp, Scr[screen].gc, sswhite[screen].pixel);
546N/A for (i = 0; i < ip->iconcount; i++) {
546N/A if (Scr[screen].npixels > 2)
546N/A XSetForeground(dsp, Scr[screen].gc,
546N/A Scr[screen].pixels[random() % Scr[screen].npixels]);
546N/A
546N/A XPutImage(dsp, win, Scr[screen].gc, &logo,
546N/A 0, 0,
546N/A ip->xb + sunlogo_width * ip->icons[i].x,
546N/A ip->yb + sunlogo_height * ip->icons[i].y,
546N/A sunlogo_width, sunlogo_height);
546N/A }
546N/A}
546N/A
546N/Avoid
546N/Ainitimage(win)
546N/A Window win;
546N/A{
546N/A XWindowAttributes xgwa;
546N/A imagestruct *ip = &ims[screen];
546N/A
546N/A ip->startTime = seconds();
546N/A
546N/A logo.data = (char *) sunlogo_bits;
546N/A logo.width = sunlogo_width;
546N/A logo.height = sunlogo_height;
546N/A logo.bytes_per_line = (sunlogo_width + 7) / 8;
546N/A
546N/A XGetWindowAttributes(dsp, win, &xgwa);
546N/A ip->width = xgwa.width;
546N/A ip->height = xgwa.height;
546N/A ip->ncols = ip->width / sunlogo_width;
546N/A ip->nrows = ip->height / sunlogo_height;
546N/A ip->iconmode = (ip->ncols < 2 || ip->nrows < 2);
546N/A if (ip->iconmode) {
546N/A ip->xb = 0;
546N/A ip->yb = 0;
546N/A ip->iconcount = 1; /* icon mode */
546N/A } else {
546N/A ip->xb = (ip->width - sunlogo_width * ip->ncols) / 2;
546N/A ip->yb = (ip->height - sunlogo_height * ip->nrows) / 2;
546N/A ip->iconcount = batchcount;
546N/A if ((ip->iconcount) > MAXICONS)
546N/A ip->iconcount = MAXICONS;
546N/A }
546N/A XSetForeground(dsp, Scr[screen].gc, ssblack[screen].pixel);
546N/A XFillRectangle(dsp, win, Scr[screen].gc, 0, 0, ip->width, ip->height);
546N/A}