add mothra

1 files changed, 126 insertions, 0 deletions

diff --git a/sys/src/cmd/mothra/getpix.c b/sys/src/cmd/mothra/getpix.c
new file mode 100644
index 000000000..19e2b8b23
--- /dev/null
+++ b/sys/src/cmd/mothra/getpix.c
@@ -0,0 +1,126 @@
+#include <u.h>
+#include <libc.h>
+#include <draw.h>
+#include <event.h>
+#include <panel.h>
+#include "mothra.h"
+
+typedef struct Pix Pix;
+struct Pix{
+	Pix *next;
+	Image *b;
+	int width;
+	int height;
+	char name[NNAME];
+};
+
+char *pixcmd[]={
+[GIF]	"gif -9t",
+[JPEG]	"jpg -9t",
+[PNG]	"png -9t",
+[PIC]	"fb/3to1 /lib/fb/cmap/rgbv",
+[TIFF]	"/sys/lib/mothra/tiffcvt",
+[XBM]	"fb/xbm2pic",
+};
+
+void storebitmap(Rtext *t, Image *b){
+	t->b=b;
+	free(t->text);
+	t->text=0;
+}
+
+void getimage(Rtext *t, Www *w){
+	int pfd[2];
+	Action *ap;
+	Url url;
+	Image *b;
+	int fd;
+	char err[512];
+	Pix *p;
+
+	ap=t->user;
+	crackurl(&url, ap->image, w->base);
+	for(p=w->pix;p!=nil; p=p->next)
+		if(strcmp(ap->image, p->name)==0 && ap->width==p->width && ap->height==p->height){
+			storebitmap(t, p->b);
+			free(ap->image);
+			ap->image=0;
+			w->changed=1;
+			return;
+		}
+	fd=urlopen(&url, GET, 0);
+	if(fd==-1){
+	Err:
+		snprint(err, sizeof(err), "[%s: %r]", url.fullname);
+		free(t->text);
+		t->text=strdup(err);
+		free(ap->image);
+		ap->image=0;
+		w->changed=1;
+		close(fd);
+		return;
+	}
+	if(url.type!=GIF
+	&& url.type!=JPEG
+	&& url.type!=PNG
+	&& url.type!=PIC
+	&& url.type!=TIFF
+	&& url.type!=XBM){
+		werrstr("unknown image type");
+		goto Err;
+	}
+
+	if((fd = pipeline(pixcmd[url.type], fd)) < 0)
+		goto Err;
+	if(ap->width>0 || ap->height>0){
+		char buf[80];
+		char *p;
+
+		p = buf;
+		p += sprint(p, "resize");
+		if(ap->width>0)
+			p += sprint(p, " -x %d", ap->width);
+		if(ap->height>0)
+			p += sprint(p, " -y %d", ap->height);
+		if((fd = pipeline(buf, fd)) < 0)
+			goto Err;
+	}
+	b=readimage(display, fd, 1);
+	if(b==0){
+		werrstr("can't read image");
+		goto Err;
+	}
+	close(fd);
+	p = emallocz(sizeof(Pix), 1);
+	strncpy(p->name, ap->image, sizeof(p->name));
+	p->b=b;
+	p->width=ap->width;
+	p->height=ap->height;
+	p->next=w->pix;
+	w->pix=p;
+	storebitmap(t, b);
+	free(ap->image);
+	ap->image=0;
+	w->changed=1;
+}
+
+void getpix(Rtext *t, Www *w){
+	Action *ap;
+
+	for(;t!=0;t=t->next){
+		ap=t->user;
+		if(ap && ap->image)
+			getimage(t, w);
+	}
+}
+
+void freepix(void *p)
+{
+	Pix *x, *xx;
+	xx = p;
+	while(x = xx){
+		xx = x->next;
+		freeimage(x->b);
+		free(x);
+	}
+}