| 1 |
/* |
| 2 |
* static char *rcsid_png_c = |
| 3 |
* "$Id$"; |
| 4 |
*/ |
| 5 |
/* |
| 6 |
Crossfire client, a client program for the crossfire program. |
| 7 |
|
| 8 |
Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
| 9 |
|
| 10 |
This program is free software; you can redistribute it and/or modify |
| 11 |
it under the terms of the GNU General Public License as published by |
| 12 |
the Free Software Foundation; either version 2 of the License, or |
| 13 |
(at your option) any later version. |
| 14 |
|
| 15 |
This program is distributed in the hope that it will be useful, |
| 16 |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 |
GNU General Public License for more details. |
| 19 |
|
| 20 |
You should have received a copy of the GNU General Public License |
| 21 |
along with this program; if not, write to the Free Software |
| 22 |
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 23 |
|
| 24 |
The authors can be reached via e-mail at crossfire-devel@real-time.com |
| 25 |
*/ |
| 26 |
|
| 27 |
/* This is a light weight png -> xpixmap function. Most of the code is from |
| 28 |
* the example png documentation. |
| 29 |
* I wrote this because I could not find a simple function that did this - |
| 30 |
* most all libraries out there tended to do a lot more than I needed for |
| 31 |
* crossfire - in addition, imLib actually has bugs which prevents it from |
| 32 |
* rendering some images properly. |
| 33 |
* |
| 34 |
* This function is far from complete, but does the job and removes the need |
| 35 |
* for yet another library. |
| 36 |
*/ |
| 37 |
|
| 38 |
#include <stdlib.h> |
| 39 |
#include <sys/stat.h> |
| 40 |
#include <unistd.h> |
| 41 |
#include <png.h> |
| 42 |
#include <X11/Xlib.h> |
| 43 |
#include <X11/Xutil.h> |
| 44 |
|
| 45 |
|
| 46 |
/* Defines for PNG return values */ |
| 47 |
/* These should be in a header file, but currently our calling functions |
| 48 |
* routines just check for nonzero return status and don't really care |
| 49 |
* why the load failed. |
| 50 |
*/ |
| 51 |
#define PNGX_NOFILE 1 |
| 52 |
#define PNGX_OUTOFMEM 2 |
| 53 |
#define PNGX_DATA 3 |
| 54 |
|
| 55 |
static char *data_cp; |
| 56 |
static int data_len, data_start; |
| 57 |
static XImage *ximage; |
| 58 |
static int rmask=0, bmask=0,gmask=0,need_color_alloc=0, rshift=16, bshift=0, gshift=8, |
| 59 |
rev_rshift=0, rev_gshift=0, rev_bshift=0; |
| 60 |
static int colors_alloced=0, private_cmap=0, colormap_size; |
| 61 |
struct Pngx_Color_Values { |
| 62 |
unsigned char red, green, blue; |
| 63 |
long pixel_value; |
| 64 |
} *color_values; |
| 65 |
|
| 66 |
#define COLOR_FACTOR 3 |
| 67 |
#define BRIGHTNESS_FACTOR 1 |
| 68 |
|
| 69 |
/* This function is used to find the pixel and return it |
| 70 |
* to the caller. We store what pixels we have already allocated |
| 71 |
* and try to find a match against that. The reason for this is that |
| 72 |
* XAllocColor is a very slow routine. Before my optimizations, |
| 73 |
* png loading took about 140 seconds, of which 60 seconds of that |
| 74 |
* was in XAllocColor calls. |
| 75 |
*/ |
| 76 |
static long pngx_find_color(Display *display, Colormap *cmap, int red, int green, int blue) |
| 77 |
{ |
| 78 |
|
| 79 |
int i, closeness=0xffffff, close_entry=-1, tmpclose; |
| 80 |
XColor scolor; |
| 81 |
|
| 82 |
for (i=0; i<colors_alloced; i++) { |
| 83 |
if ((color_values[i].red == red) && (color_values[i].green == green) && |
| 84 |
(color_values[i].blue == blue)) return color_values[i].pixel_value; |
| 85 |
|
| 86 |
tmpclose = COLOR_FACTOR * (abs(red - color_values[i].red) + |
| 87 |
abs(green - color_values[i].green) + |
| 88 |
abs(blue - color_values[i].blue)) + |
| 89 |
BRIGHTNESS_FACTOR * abs((red + green + blue) - |
| 90 |
(color_values[i].red + color_values[i].green + color_values[i].blue)); |
| 91 |
|
| 92 |
/* I already know that 8 bit is not enough to hold all the PNG colors, |
| 93 |
* so lets do some early optimization |
| 94 |
*/ |
| 95 |
if (tmpclose < 3) return color_values[i].pixel_value; |
| 96 |
if (tmpclose < closeness) { |
| 97 |
closeness = tmpclose; |
| 98 |
close_entry = i; |
| 99 |
} |
| 100 |
} |
| 101 |
|
| 102 |
/* If the colormap is full, no reason to do anything more */ |
| 103 |
if (colors_alloced == colormap_size) |
| 104 |
return color_values[close_entry].pixel_value; |
| 105 |
|
| 106 |
|
| 107 |
/* If we get here, we haven't cached the color */ |
| 108 |
|
| 109 |
scolor.red = (red << 8) + red; |
| 110 |
scolor.green = (green << 8) + green; |
| 111 |
scolor.blue = (blue << 8) + blue; |
| 112 |
|
| 113 |
|
| 114 |
again: |
| 115 |
if (!XAllocColor(display, *cmap, &scolor)) { |
| 116 |
if (!private_cmap) { |
| 117 |
fprintf(stderr,"Going to private colormap after %d allocs\n", colors_alloced); |
| 118 |
*cmap = XCopyColormapAndFree(display, *cmap); |
| 119 |
private_cmap=1; |
| 120 |
goto again; |
| 121 |
} |
| 122 |
else { |
| 123 |
#if 0 |
| 124 |
fprintf(stderr,"Unable to allocate color %d %d %d, %d colors alloced, will use closeness value %d\n", |
| 125 |
red, green, blue, colors_alloced, closeness); |
| 126 |
#endif |
| 127 |
colors_alloced = colormap_size; /* Colormap is exhausted */ |
| 128 |
return color_values[close_entry].pixel_value; |
| 129 |
} |
| 130 |
} |
| 131 |
color_values[colors_alloced].red = red; |
| 132 |
color_values[colors_alloced].green = green; |
| 133 |
color_values[colors_alloced].blue = blue; |
| 134 |
color_values[colors_alloced].pixel_value= scolor.pixel; |
| 135 |
colors_alloced++; |
| 136 |
return scolor.pixel; |
| 137 |
} |
| 138 |
|
| 139 |
|
| 140 |
|
| 141 |
static void user_read_data(png_structp png_ptr, png_bytep data, png_size_t length) { |
| 142 |
memcpy(data, data_cp + data_start, length); |
| 143 |
data_start += length; |
| 144 |
} |
| 145 |
|
| 146 |
int init_pngx_loader(Display *display) |
| 147 |
{ |
| 148 |
int pad,depth; |
| 149 |
XVisualInfo xvinfo, *xvret; |
| 150 |
Visual *visual; |
| 151 |
|
| 152 |
depth = DefaultDepth(display, DefaultScreen(display)); |
| 153 |
visual = DefaultVisual(display, DefaultScreen(display)); |
| 154 |
xvinfo.visualid = XVisualIDFromVisual(visual); |
| 155 |
xvret = XGetVisualInfo(display, VisualIDMask, &xvinfo, &pad); |
| 156 |
if (pad != 1) { |
| 157 |
fprintf(stderr,"XGetVisual found %d matching visuals?\n", pad); |
| 158 |
return 1; |
| 159 |
} |
| 160 |
rmask = xvret -> red_mask; |
| 161 |
gmask = xvret -> green_mask; |
| 162 |
bmask = xvret -> blue_mask; |
| 163 |
/* We need to figure out how many bits to shift. Thats what this |
| 164 |
* following block of code does. We can't presume to use just |
| 165 |
* 16, 8, 0 bits for RGB respectively, as if you are on 16 bit, |
| 166 |
* that is not correct. There may be a much easier way to do this - |
| 167 |
* it is just bit manipulation. Note that we want to preserver |
| 168 |
* the most significant bits, so these shift values can very |
| 169 |
* well be negative, in which case we need to know that - |
| 170 |
* the shift operators don't work with negative values. |
| 171 |
* An example is 5 bits for blue - in that case, we really |
| 172 |
* want to shfit right (>>) by 3 bits. |
| 173 |
*/ |
| 174 |
rshift=0; |
| 175 |
if (rmask) { |
| 176 |
while (!((1 << rshift) & rmask)) rshift++; |
| 177 |
while (((1 << rshift) & rmask)) rshift++; |
| 178 |
rshift -= 8; |
| 179 |
if (rshift < 0 ) { |
| 180 |
rev_rshift=1; |
| 181 |
rshift = -rshift; |
| 182 |
} |
| 183 |
} |
| 184 |
gshift=0; |
| 185 |
if (gmask) { |
| 186 |
while (!((1 << gshift) & gmask)) gshift++; |
| 187 |
while (((1 << gshift) & gmask)) gshift++; |
| 188 |
gshift -= 8; |
| 189 |
if (gshift < 0 ) { |
| 190 |
rev_gshift=1; |
| 191 |
gshift = -gshift; |
| 192 |
} |
| 193 |
} |
| 194 |
bshift=0; |
| 195 |
if (bmask) { |
| 196 |
while (!((1 << bshift) & bmask)) bshift++; |
| 197 |
while (((1 << bshift) & bmask)) bshift++; |
| 198 |
bshift -= 8; |
| 199 |
if (bshift < 0 ) { |
| 200 |
rev_bshift=1; |
| 201 |
bshift = -bshift; |
| 202 |
} |
| 203 |
} |
| 204 |
|
| 205 |
|
| 206 |
if (xvret->class==PseudoColor) { |
| 207 |
need_color_alloc=1; |
| 208 |
if (xvret->colormap_size>256) { |
| 209 |
fprintf(stderr,"One a pseudocolor visual, but colormap has %d entries?\n", xvret->colormap_size); |
| 210 |
} |
| 211 |
color_values=malloc(sizeof(struct Pngx_Color_Values) * xvret->colormap_size); |
| 212 |
colormap_size = xvret->colormap_size-1; /* comparing # of alloced colors against this */ |
| 213 |
} |
| 214 |
XFree(xvret); |
| 215 |
|
| 216 |
if (depth>16) pad = 32; |
| 217 |
else if (depth > 8) pad = 16; |
| 218 |
else pad = 8; |
| 219 |
|
| 220 |
ximage = XCreateImage(display, visual, |
| 221 |
depth, |
| 222 |
ZPixmap, 0, 0, |
| 223 |
256, 256, pad, 0); |
| 224 |
if (!ximage) { |
| 225 |
fprintf(stderr,"Failed to create Ximage\n"); |
| 226 |
return 1; |
| 227 |
} |
| 228 |
ximage->data = malloc(ximage->bytes_per_line * 256); |
| 229 |
if (!ximage->data) { |
| 230 |
fprintf(stderr,"Failed to create Ximage data\n"); |
| 231 |
return 1; |
| 232 |
} |
| 233 |
return 0; |
| 234 |
} |
| 235 |
|
| 236 |
|
| 237 |
int png_to_xpixmap(Display *display, Drawable draw, char *data, int len, |
| 238 |
Pixmap *pix, Pixmap *mask, Colormap *cmap, |
| 239 |
unsigned long *width, unsigned long *height) |
| 240 |
{ |
| 241 |
static char *pixels=NULL; |
| 242 |
static int pixels_byte=0, rows_byte=0; |
| 243 |
static png_bytepp rows=NULL; |
| 244 |
|
| 245 |
png_structp png_ptr=NULL; |
| 246 |
png_infop info_ptr=NULL, end_info=NULL; |
| 247 |
int bit_depth, color_type, interlace_type, compression_type, filter_type, |
| 248 |
red,green,blue, lastred=-1, lastgreen=-1, lastblue=-1,alpha,bpp, x,y, |
| 249 |
has_alpha=0,cmask, lastcmask=-1, lastcolor=-1; |
| 250 |
GC gc, gc_alpha; |
| 251 |
|
| 252 |
|
| 253 |
data_len=len; |
| 254 |
data_cp = data; |
| 255 |
data_start=0; |
| 256 |
png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, |
| 257 |
NULL, NULL, NULL); |
| 258 |
if (!png_ptr) { |
| 259 |
return PNGX_OUTOFMEM; |
| 260 |
} |
| 261 |
info_ptr = png_create_info_struct (png_ptr); |
| 262 |
|
| 263 |
if (!info_ptr) { |
| 264 |
png_destroy_read_struct (&png_ptr, NULL, NULL); |
| 265 |
return PNGX_OUTOFMEM; |
| 266 |
} |
| 267 |
end_info = png_create_info_struct (png_ptr); |
| 268 |
if (!end_info) { |
| 269 |
png_destroy_read_struct (&png_ptr, &info_ptr, NULL); |
| 270 |
return PNGX_OUTOFMEM; |
| 271 |
} |
| 272 |
if (setjmp (png_ptr->jmpbuf)) { |
| 273 |
png_destroy_read_struct (&png_ptr, &info_ptr, &end_info); |
| 274 |
return PNGX_DATA; |
| 275 |
} |
| 276 |
|
| 277 |
png_set_read_fn(png_ptr, NULL, user_read_data); |
| 278 |
png_read_info (png_ptr, info_ptr); |
| 279 |
|
| 280 |
png_get_IHDR(png_ptr, info_ptr, width, height, &bit_depth, |
| 281 |
&color_type, &interlace_type, &compression_type, &filter_type); |
| 282 |
|
| 283 |
if (color_type == PNG_COLOR_TYPE_PALETTE && |
| 284 |
bit_depth <= 8) { |
| 285 |
|
| 286 |
/* Convert indexed images to RGB */ |
| 287 |
png_set_expand (png_ptr); |
| 288 |
|
| 289 |
} else if (color_type == PNG_COLOR_TYPE_GRAY && |
| 290 |
bit_depth < 8) { |
| 291 |
|
| 292 |
/* Convert grayscale to RGB */ |
| 293 |
png_set_expand (png_ptr); |
| 294 |
|
| 295 |
} else if (png_get_valid (png_ptr, |
| 296 |
info_ptr, PNG_INFO_tRNS)) { |
| 297 |
|
| 298 |
/* If we have transparency header, convert it to alpha |
| 299 |
channel */ |
| 300 |
png_set_expand(png_ptr); |
| 301 |
|
| 302 |
} else if (bit_depth < 8) { |
| 303 |
|
| 304 |
/* If we have < 8 scale it up to 8 */ |
| 305 |
png_set_expand(png_ptr); |
| 306 |
|
| 307 |
|
| 308 |
/* Conceivably, png_set_packing() is a better idea; |
| 309 |
* God only knows how libpng works |
| 310 |
*/ |
| 311 |
} |
| 312 |
/* If we are 16-bit, convert to 8-bit */ |
| 313 |
if (bit_depth == 16) { |
| 314 |
png_set_strip_16(png_ptr); |
| 315 |
} |
| 316 |
|
| 317 |
/* If gray scale, convert to RGB */ |
| 318 |
if (color_type == PNG_COLOR_TYPE_GRAY || |
| 319 |
color_type == PNG_COLOR_TYPE_GRAY_ALPHA) { |
| 320 |
png_set_gray_to_rgb(png_ptr); |
| 321 |
} |
| 322 |
|
| 323 |
/* If interlaced, handle that */ |
| 324 |
if (interlace_type != PNG_INTERLACE_NONE) { |
| 325 |
png_set_interlace_handling(png_ptr); |
| 326 |
} |
| 327 |
|
| 328 |
/* Update the info the reflect our transformations */ |
| 329 |
png_read_update_info(png_ptr, info_ptr); |
| 330 |
/* re-read due to transformations just made */ |
| 331 |
png_get_IHDR(png_ptr, info_ptr, width, height, &bit_depth, |
| 332 |
&color_type, &interlace_type, &compression_type, &filter_type); |
| 333 |
if (color_type & PNG_COLOR_MASK_ALPHA) |
| 334 |
bpp = 4; |
| 335 |
else |
| 336 |
bpp = 3; |
| 337 |
|
| 338 |
/* Allocate the memory we need once, and increase it if necessary. |
| 339 |
* This is more efficient the allocating this block of memory every time. |
| 340 |
*/ |
| 341 |
if (pixels_byte==0) { |
| 342 |
pixels = (char*)malloc(*width * *height * bpp); |
| 343 |
pixels_byte =*width * *height * bpp; |
| 344 |
} else if ((*width * *height * bpp) > pixels_byte) { |
| 345 |
pixels=realloc(pixels, *width * *height * bpp); |
| 346 |
pixels_byte =*width * *height * bpp; |
| 347 |
} |
| 348 |
|
| 349 |
if (!pixels) { |
| 350 |
pixels_byte=0; |
| 351 |
png_destroy_read_struct (&png_ptr, &info_ptr, &end_info); |
| 352 |
return PNGX_OUTOFMEM; |
| 353 |
} |
| 354 |
if (rows_byte == 0) { |
| 355 |
rows =(png_bytepp) malloc(sizeof(char*) * *height); |
| 356 |
rows_byte=*height; |
| 357 |
} else if (*height > rows_byte) { |
| 358 |
rows =(png_bytepp) realloc(rows, sizeof(char*) * *height); |
| 359 |
rows_byte=*height; |
| 360 |
} |
| 361 |
if (!rows) { |
| 362 |
pixels_byte=0; |
| 363 |
png_destroy_read_struct (&png_ptr, &info_ptr, &end_info); |
| 364 |
return PNGX_OUTOFMEM; |
| 365 |
} |
| 366 |
|
| 367 |
for (y=0; y<*height; y++) |
| 368 |
rows[y] = pixels + y * *width * bpp; |
| 369 |
|
| 370 |
png_read_image(png_ptr, rows); |
| 371 |
#if 0 |
| 372 |
fprintf(stderr,"image is %d X %d, bpp=%d, color_type=%d\n", |
| 373 |
*width, *height, bpp, color_type); |
| 374 |
#endif |
| 375 |
|
| 376 |
*pix = XCreatePixmap(display, draw, *width, *height, |
| 377 |
DefaultDepth(display, DefaultScreen(display))); |
| 378 |
|
| 379 |
gc=XCreateGC(display, *pix, 0, NULL); |
| 380 |
XSetFunction(display, gc, GXcopy); |
| 381 |
XSetPlaneMask(display, gc, AllPlanes); |
| 382 |
|
| 383 |
if (color_type & PNG_COLOR_MASK_ALPHA) { |
| 384 |
/* The foreground/background colors are not really |
| 385 |
* colors, but rather values to set in the mask. |
| 386 |
* The values used below work properly on at least |
| 387 |
* 8 bit and 16 bit display - using things like |
| 388 |
* blackpixel & whitepixel does NO work on |
| 389 |
* both types of display. |
| 390 |
*/ |
| 391 |
*mask=XCreatePixmap(display ,draw, *width, *height,1); |
| 392 |
gc_alpha=XCreateGC(display, *mask, 0, NULL); |
| 393 |
XSetFunction(display, gc_alpha, GXcopy); |
| 394 |
XSetPlaneMask(display, gc_alpha, AllPlanes); |
| 395 |
XSetForeground(display, gc_alpha, 1); |
| 396 |
XFillRectangle(display, *mask, gc_alpha, 0, 0, *width, *height); |
| 397 |
XSetForeground(display, gc_alpha, 0); |
| 398 |
has_alpha=1; |
| 399 |
} |
| 400 |
else { |
| 401 |
*mask = None; |
| 402 |
gc_alpha = None; /* Prevent compile warnings */ |
| 403 |
} |
| 404 |
|
| 405 |
for (y=0; y<*height; y++) { |
| 406 |
for (x=0; x<*width; x++) { |
| 407 |
red=rows[y][x*bpp]; |
| 408 |
green=rows[y][x*bpp+1]; |
| 409 |
blue=rows[y][x*bpp+2]; |
| 410 |
if (has_alpha) { |
| 411 |
alpha = rows[y][x*bpp+3]; |
| 412 |
/* Transparent bit */ |
| 413 |
if (alpha==0) { |
| 414 |
XDrawPoint(display, *mask, gc_alpha, x, y); |
| 415 |
} |
| 416 |
} |
| 417 |
if (need_color_alloc) { |
| 418 |
/* We only use cmask to avoid calling pngx_find_color repeatedly. |
| 419 |
* when the color has not changed from the last pixel. |
| 420 |
*/ |
| 421 |
if ((lastred != red) && (lastgreen != green) && (lastblue != blue)) { |
| 422 |
lastcolor = pngx_find_color(display, cmap, red, green, blue); |
| 423 |
lastcmask = cmask; |
| 424 |
} |
| 425 |
XPutPixel(ximage, x, y, lastcolor); |
| 426 |
} else { |
| 427 |
if ((lastred != red) && (lastgreen != green) && (lastblue != blue)) { |
| 428 |
if (rev_rshift) red >>= rshift; |
| 429 |
else red <<= rshift; |
| 430 |
if (rev_gshift) green >>= gshift; |
| 431 |
else green <<= gshift; |
| 432 |
if (rev_bshift) blue >>= bshift; |
| 433 |
else blue <<= bshift; |
| 434 |
|
| 435 |
cmask = (red & rmask) | (green & gmask) | (blue & bmask); |
| 436 |
} |
| 437 |
XPutPixel(ximage, x, y, cmask); |
| 438 |
} |
| 439 |
} |
| 440 |
} |
| 441 |
|
| 442 |
XPutImage(display, *pix, gc, ximage, 0, 0, 0, 0, *width, *height); |
| 443 |
if (has_alpha) |
| 444 |
XFreeGC(display, gc_alpha); |
| 445 |
XFreeGC(display, gc); |
| 446 |
png_destroy_read_struct (&png_ptr, &info_ptr, &end_info); |
| 447 |
return 0; |
| 448 |
} |
| 449 |
#if 0 |
| 450 |
int main(int argc, char *argv[]) |
| 451 |
{ |
| 452 |
Display *disp; |
| 453 |
char data[256],buf[1024*1024]; |
| 454 |
int fd,i,z, alpha; |
| 455 |
unsigned long width, height; |
| 456 |
Window window; |
| 457 |
XSetWindowAttributes wattrs; |
| 458 |
Pixmap pix, mask; |
| 459 |
GC gc; |
| 460 |
|
| 461 |
if (argc!=2) { |
| 462 |
fprintf(stderr,"Usage: %s <filename>\n", argv[0]); |
| 463 |
exit(1); |
| 464 |
} |
| 465 |
|
| 466 |
if (!(disp=XOpenDisplay(NULL))) { |
| 467 |
fprintf(stderr,"Unable to open display\n"); |
| 468 |
exit(1); |
| 469 |
} |
| 470 |
|
| 471 |
wattrs.backing_store = WhenMapped; |
| 472 |
wattrs.background_pixel = WhitePixel(disp, DefaultScreen(disp)); |
| 473 |
|
| 474 |
window=XCreateWindow(disp, DefaultRootWindow(disp), 0, 0, |
| 475 |
32, 32, 0, CopyFromParent, InputOutput, CopyFromParent, |
| 476 |
CWBackingStore|CWBackPixel, &wattrs); |
| 477 |
|
| 478 |
i = open(argv[1], O_RDONLY); |
| 479 |
z=read(i, buf, 1024*1024); |
| 480 |
close(i); |
| 481 |
fprintf(stderr,"Read %d bytes from %s\n", z, argv[1]); |
| 482 |
png_to_xpixmap(disp, window, buf, z, &pix, &mask, DefaultColormap(disp, |
| 483 |
DefaultScreen(disp)), &width, &height); |
| 484 |
XResizeWindow(disp, window, width, height); |
| 485 |
if (!window) { |
| 486 |
fprintf(stderr,"Unable to create window\n"); |
| 487 |
exit(1); |
| 488 |
} |
| 489 |
XMapWindow(disp, window); |
| 490 |
XFlush(disp); |
| 491 |
gc=XCreateGC(disp, pix, 0, NULL); |
| 492 |
if (mask) |
| 493 |
XSetClipMask(disp, gc, mask); |
| 494 |
|
| 495 |
/* A simple way to display the image without needing to worry |
| 496 |
* about exposures and redraws. |
| 497 |
*/ |
| 498 |
for (i=0; i<30; i++) { |
| 499 |
XCopyArea(disp, pix, window, gc, 0, 0, width, height, 0 , 0); |
| 500 |
XFlush(disp); |
| 501 |
sleep(1); |
| 502 |
} |
| 503 |
|
| 504 |
exit(0); |
| 505 |
} |
| 506 |
|
| 507 |
|
| 508 |
#endif |
