/*
* Copyright (c) 1988-91 by Patrick J. Naughton.
*
* 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.
*
* This file is provided AS IS with no warranties of any kind. The author
* shall have no liability with respect to the infringement of copyrights,
* trade secrets or any patents by this file or any part thereof. In no
* event will the author be liable for any lost revenue or profits or
* other special, indirect and consequential damages.
*/
/*
* Copyright (c) 1990, 1994, Oracle and/or its affiliates. All rights reserved.
*
* 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 (including the next
* paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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.
*/
/*-
* image.c - image bouncer for xlock, the X Window System lockscreen.
*
* Copyright (c) 1991 by Patrick J. Naughton.
*
* See xlock.c for copying information.
*
* Revision History:
* 29-Jul-90: Written.
*/
#include "xlock.h"
#include "sunlogo.bit"
static XImage logo = {
0, 0, /* width, height */
0, XYBitmap, 0, /* xoffset, format, data */
LSBFirst, 8, /* byte-order, bitmap-unit */
LSBFirst, 8, 1 /* bitmap-bit-order, bitmap-pad, depth */
};
#define MAXICONS 1024
typedef struct {
int x;
int y;
} point;
typedef struct {
int width;
int height;
int nrows;
int ncols;
int xb;
int yb;
int iconmode;
int iconcount;
point icons[MAXICONS];
long startTime;
} imagestruct;
extern XColor ssblack[];
extern XColor sswhite[];
static imagestruct ims[MAXSCREENS];
void
drawimage(win)
Window win;
{
imagestruct *ip = &ims[screen];
int i;
XSetForeground(dsp, Scr[screen].gc, ssblack[screen].pixel);
for (i = 0; i < ip->iconcount; i++) {
if (!ip->iconmode)
XFillRectangle(dsp, win, Scr[screen].gc,
ip->xb + sunlogo_width * ip->icons[i].x,
ip->yb + sunlogo_height * ip->icons[i].y,
sunlogo_width, sunlogo_height);
ip->icons[i].x = random() % ip->ncols;
ip->icons[i].y = random() % ip->nrows;
}
if (Scr[screen].npixels == 2)
XSetForeground(dsp, Scr[screen].gc, sswhite[screen].pixel);
for (i = 0; i < ip->iconcount; i++) {
if (Scr[screen].npixels > 2)
XSetForeground(dsp, Scr[screen].gc,
Scr[screen].pixels[random() % Scr[screen].npixels]);
XPutImage(dsp, win, Scr[screen].gc, &logo,
0, 0,
ip->xb + sunlogo_width * ip->icons[i].x,
ip->yb + sunlogo_height * ip->icons[i].y,
sunlogo_width, sunlogo_height);
}
}
void
initimage(win)
Window win;
{
XWindowAttributes xgwa;
imagestruct *ip = &ims[screen];
ip->startTime = seconds();
logo.data = (char *) sunlogo_bits;
logo.width = sunlogo_width;
logo.height = sunlogo_height;
logo.bytes_per_line = (sunlogo_width + 7) / 8;
XGetWindowAttributes(dsp, win, &xgwa);
ip->width = xgwa.width;
ip->height = xgwa.height;
ip->ncols = ip->width / sunlogo_width;
ip->nrows = ip->height / sunlogo_height;
ip->iconmode = (ip->ncols < 2 || ip->nrows < 2);
if (ip->iconmode) {
ip->xb = 0;
ip->yb = 0;
ip->iconcount = 1; /* icon mode */
} else {
ip->xb = (ip->width - sunlogo_width * ip->ncols) / 2;
ip->yb = (ip->height - sunlogo_height * ip->nrows) / 2;
ip->iconcount = batchcount;
if ((ip->iconcount) > MAXICONS)
ip->iconcount = MAXICONS;
}
XSetForeground(dsp, Scr[screen].gc, ssblack[screen].pixel);
XFillRectangle(dsp, win, Scr[screen].gc, 0, 0, ip->width, ip->height);
}