1 28994509 2004-04-21 devnull #include <u.h>
2 28994509 2004-04-21 devnull #include <libc.h>
3 28994509 2004-04-21 devnull #include <bio.h>
4 28994509 2004-04-21 devnull #include <draw.h>
5 28994509 2004-04-21 devnull #include <event.h>
6 28994509 2004-04-21 devnull #include "imagefile.h"
8 28994509 2004-04-21 devnull int cflag = 0;
9 28994509 2004-04-21 devnull int dflag = 0;
10 28994509 2004-04-21 devnull int eflag = 0;
11 28994509 2004-04-21 devnull int nineflag = 0;
12 28994509 2004-04-21 devnull int threeflag = 0;
13 28994509 2004-04-21 devnull int output = 0;
14 28994509 2004-04-21 devnull ulong outchan = CMAP8;
15 28994509 2004-04-21 devnull int defaultcolor = 1;
16 28994509 2004-04-21 devnull Image *image;
19 28994509 2004-04-21 devnull Border = 2,
23 28994509 2004-04-21 devnull char *show(int, char*);
26 28994509 2004-04-21 devnull eresized(int new)
28 28994509 2004-04-21 devnull Rectangle r;
30 28994509 2004-04-21 devnull if(new && getwindow(display, Refnone) < 0){
31 28994509 2004-04-21 devnull fprint(2, "ppm: can't reattach to window\n");
32 28994509 2004-04-21 devnull exits("resize");
34 28994509 2004-04-21 devnull if(image == nil)
36 28a8042c 2006-03-19 devnull r = rectaddpt(image->r, subpt(screen->r.min, image->r.min));
37 28a8042c 2006-03-19 devnull if(!new && !winsize)
38 28a8042c 2006-03-19 devnull drawresizewindow(r);
39 28994509 2004-04-21 devnull draw(screen, r, image, nil, image->r.min);
40 28994509 2004-04-21 devnull flushimage(display, 1);
44 be36ff68 2004-04-29 devnull usage(void)
46 be36ff68 2004-04-29 devnull fprint(2, "usage: ppm -39cdektv -W winsize [file.ppm ...]\n");
47 be36ff68 2004-04-29 devnull exits("usage");
51 28994509 2004-04-21 devnull main(int argc, char *argv[])
53 28994509 2004-04-21 devnull int fd, i;
54 28994509 2004-04-21 devnull char *err;
56 28994509 2004-04-21 devnull ARGBEGIN{
57 be36ff68 2004-04-29 devnull case 'W':
58 be36ff68 2004-04-29 devnull winsize = EARGF(usage());
60 28994509 2004-04-21 devnull case '3': /* produce encoded, compressed, three-color bitmap file; no display by default */
61 28994509 2004-04-21 devnull threeflag++;
62 28994509 2004-04-21 devnull /* fall through */
63 28994509 2004-04-21 devnull case 't': /* produce encoded, compressed, true-color bitmap file; no display by default */
66 28994509 2004-04-21 devnull output++;
67 28994509 2004-04-21 devnull defaultcolor = 0;
68 28994509 2004-04-21 devnull outchan = RGB24;
70 28994509 2004-04-21 devnull case 'c': /* produce encoded, compressed, bitmap file; no display by default */
73 28994509 2004-04-21 devnull output++;
74 28994509 2004-04-21 devnull if(defaultcolor)
75 28994509 2004-04-21 devnull outchan = CMAP8;
77 28994509 2004-04-21 devnull case 'd': /* suppress display of image */
80 28994509 2004-04-21 devnull case 'e': /* disable floyd-steinberg error diffusion */
83 28994509 2004-04-21 devnull case 'k': /* force black and white */
84 28994509 2004-04-21 devnull defaultcolor = 0;
85 28994509 2004-04-21 devnull outchan = GREY8;
87 28994509 2004-04-21 devnull case 'v': /* force RGBV */
88 28994509 2004-04-21 devnull defaultcolor = 0;
89 28994509 2004-04-21 devnull outchan = CMAP8;
91 28994509 2004-04-21 devnull case '9': /* produce plan 9, uncompressed, bitmap file; no display by default */
92 28994509 2004-04-21 devnull nineflag++;
94 28994509 2004-04-21 devnull output++;
95 28994509 2004-04-21 devnull if(defaultcolor)
96 28994509 2004-04-21 devnull outchan = CMAP8;
100 28994509 2004-04-21 devnull }ARGEND;
102 28994509 2004-04-21 devnull err = nil;
103 28994509 2004-04-21 devnull if(argc == 0)
104 28994509 2004-04-21 devnull err = show(0, "<stdin>");
106 28994509 2004-04-21 devnull for(i=0; i<argc; i++){
107 28994509 2004-04-21 devnull fd = open(argv[i], OREAD);
108 28994509 2004-04-21 devnull if(fd < 0){
109 28994509 2004-04-21 devnull fprint(2, "ppm: can't open %s: %r\n", argv[i]);
110 28994509 2004-04-21 devnull err = "open";
112 28994509 2004-04-21 devnull err = show(fd, argv[i]);
113 28994509 2004-04-21 devnull close(fd);
115 28994509 2004-04-21 devnull if((nineflag || cflag) && argc>1 && err==nil){
116 28994509 2004-04-21 devnull fprint(2, "ppm: exiting after one file\n");
121 28994509 2004-04-21 devnull exits(err);
125 28994509 2004-04-21 devnull init(void)
127 28994509 2004-04-21 devnull static int inited;
129 28994509 2004-04-21 devnull if(inited == 0){
130 28994509 2004-04-21 devnull if(initdraw(0, 0, 0) < 0){
131 28994509 2004-04-21 devnull fprint(2, "ppm: initdraw failed: %r");
132 28994509 2004-04-21 devnull return -1;
134 28994509 2004-04-21 devnull einit(Ekeyboard|Emouse);
135 28994509 2004-04-21 devnull inited++;
137 28994509 2004-04-21 devnull return 1;
141 28994509 2004-04-21 devnull show(int fd, char *name)
143 28994509 2004-04-21 devnull Rawimage **array, *r, *c;
144 28994509 2004-04-21 devnull Image *i;
145 28994509 2004-04-21 devnull int j, ch;
146 28994509 2004-04-21 devnull char buf[32];
148 28994509 2004-04-21 devnull array = readpixmap(fd, CRGB);
149 28994509 2004-04-21 devnull if(array == nil || array[0]==nil){
150 28994509 2004-04-21 devnull fprint(2, "ppm: decode %s failed: %r\n", name);
151 28994509 2004-04-21 devnull return "decode";
153 28994509 2004-04-21 devnull if(!dflag){
154 28994509 2004-04-21 devnull if(init() < 0)
155 28994509 2004-04-21 devnull return "initdraw";
156 28994509 2004-04-21 devnull if(defaultcolor && screen->depth>8)
157 28994509 2004-04-21 devnull outchan = RGB24;
159 28994509 2004-04-21 devnull r = array[0];
160 28994509 2004-04-21 devnull if(outchan == CMAP8)
161 28994509 2004-04-21 devnull c = torgbv(r, !eflag);
163 28994509 2004-04-21 devnull if(outchan==GREY8 || (r->chandesc==CY && threeflag==0))
164 28994509 2004-04-21 devnull c = totruecolor(r, CY);
166 28994509 2004-04-21 devnull c = totruecolor(r, CRGB24);
168 28994509 2004-04-21 devnull if(c == nil){
169 28994509 2004-04-21 devnull fprint(2, "ppm: converting %s to local format failed: %r\n", name);
170 28994509 2004-04-21 devnull return "torgbv";
172 28994509 2004-04-21 devnull if(!dflag){
173 28994509 2004-04-21 devnull if(r->chandesc == CY)
174 28994509 2004-04-21 devnull i = allocimage(display, c->r, GREY8, 0, 0);
176 28994509 2004-04-21 devnull i = allocimage(display, c->r, outchan, 0, 0);
177 28994509 2004-04-21 devnull if(i == nil){
178 28994509 2004-04-21 devnull fprint(2, "ppm: allocimage %s failed: %r\n", name);
179 28994509 2004-04-21 devnull return "allocimage";
181 28994509 2004-04-21 devnull if(loadimage(i, i->r, c->chans[0], c->chanlen) < 0){
182 28994509 2004-04-21 devnull fprint(2, "ppm: loadimage %s failed: %r\n", name);
183 28994509 2004-04-21 devnull return "loadimage";
185 28994509 2004-04-21 devnull image = i;
186 28994509 2004-04-21 devnull eresized(0);
187 28994509 2004-04-21 devnull if((ch=ekbd())=='q' || ch==0x7F || ch==0x04)
188 28994509 2004-04-21 devnull exits(nil);
189 28994509 2004-04-21 devnull draw(screen, screen->clipr, display->white, nil, ZP);
190 28994509 2004-04-21 devnull image = nil;
191 28994509 2004-04-21 devnull freeimage(i);
193 28994509 2004-04-21 devnull if(nineflag){
194 28994509 2004-04-21 devnull chantostr(buf, outchan);
195 28994509 2004-04-21 devnull print("%11s %11d %11d %11d %11d ", buf,
196 28994509 2004-04-21 devnull c->r.min.x, c->r.min.y, c->r.max.x, c->r.max.y);
197 28994509 2004-04-21 devnull if(write(1, c->chans[0], c->chanlen) != c->chanlen){
198 28994509 2004-04-21 devnull fprint(2, "ppm: %s: write error %r\n", name);
199 28994509 2004-04-21 devnull return "write";
201 28994509 2004-04-21 devnull }else if(cflag){
202 28994509 2004-04-21 devnull if(writerawimage(1, c) < 0){
203 28994509 2004-04-21 devnull fprint(2, "ppm: %s: write error: %r\n", name);
204 28994509 2004-04-21 devnull return "write";
207 28994509 2004-04-21 devnull for(j=0; j<r->nchans; j++)
208 28994509 2004-04-21 devnull free(r->chans[j]);
209 28994509 2004-04-21 devnull free(r->cmap);
210 28994509 2004-04-21 devnull free(r);
211 28994509 2004-04-21 devnull free(array);
213 28994509 2004-04-21 devnull free(c->chans[0]);
214 28994509 2004-04-21 devnull free(c);
216 28994509 2004-04-21 devnull return nil;
