Support remote image by OSC 5379 show_picture sequence.

display.c

@@ -487,7 +487,7 @@ displayBuffer(Buffer *buf, int mode)
     term_title(conv_to_system(buf->buffername));
     refresh();
 #ifdef USE_IMAGE
-    if (activeImage && displayImage && buf->img) {
+    if (activeImage && displayImage && buf->img && buf->image_loaded) {
 	drawImage();
     }
 #endif
@@ -521,7 +521,10 @@ drawAnchorCursor0(Buffer *buf, AnchorList *al, int hseq, int prevhseq,
 		break;
 	}
 	if (hseq >= 0 && an->hseq == hseq) {
+	    int hasImage = 0;
 	    for (i = an->start.pos; i < an->end.pos; i++) {
+	        if (l->propBuf[i] & PE_IMAGE)
+		    hasImage = 1 ;
 		if (l->propBuf[i] & (PE_IMAGE | PE_ANCHOR | PE_FORM)) {
 		    if (active)
 			l->propBuf[i] |= PE_ACTIVE;
@@ -529,7 +532,8 @@ drawAnchorCursor0(Buffer *buf, AnchorList *al, int hseq, int prevhseq,
 			l->propBuf[i] &= ~PE_ACTIVE;
 		}
 	    }
-	    if (active)
+	    if (active &&
+	        (! support_remote_image || ! hasImage))
 		redrawLineRegion(buf, l, l->linenumber - tline + buf->rootY,
 				 an->start.pos, an->end.pos);
 	}
@@ -855,14 +859,16 @@ redrawLineImage(Buffer *buf, Line *l, int i)
 		y = (int)(i * pixel_per_line);
 		sx = (int)((rcol - COLPOS(l, a->start.pos)) * pixel_per_char);
 		sy = (int)((l->linenumber - image->y) * pixel_per_line);
-		if (sx == 0 && x + image->xoffset >= 0)
+		if (! support_remote_image) {
-		    x += image->xoffset;
+		    if (sx == 0 && x + image->xoffset >= 0)
-		else
+			x += image->xoffset;
-		    sx -= image->xoffset;
+		    else
-		if (sy == 0 && y + image->yoffset >= 0)
+			sx -= image->xoffset;
-		    y += image->yoffset;
+		    if (sy == 0 && y + image->yoffset >= 0)
-		else
+			y += image->yoffset;
-		    sy -= image->yoffset;
+		    else
+			sy -= image->yoffset;
+		}
 		if (image->width > 0)
 		    w = image->width - sx;
 		else

fm.h

@@ -373,6 +373,8 @@ typedef struct _imageCache {
     int index;
     short width;
     short height;
+    short a_width;
+    short a_height;
 } ImageCache;
 
 typedef struct _image {
@@ -919,6 +921,7 @@ global char *CurrentKeyData;
 global char *CurrentCmdData;
 global char *w3m_reqlog;
 extern char *w3m_version;
+extern int support_remote_image;
 
 #define DUMP_BUFFER   0x01
 #define DUMP_HEAD     0x02

image.c

@@ -52,6 +52,18 @@ getCharSize()
     int w = 0, h = 0;
 
     set_environ("W3M_TTY", ttyname_tty());
+
+    if (support_remote_image) {
+	int ppc, ppl;
+
+	if (get_pixel_per_cell(&ppc,&ppl)) {
+	    pixel_per_char = (double)ppc;
+	    pixel_per_line = (double)ppl;
+	}
+
+	return  TRUE;
+    }
+
     tmp = Strnew();
     if (!strchr(Imgdisplay, '/'))
 	Strcat_m_charp(tmp, w3m_auxbin_dir(), "/", NULL);
@@ -156,6 +168,10 @@ addImage(ImageCache * cache, int x, int y, int sx, int sy, int w, int h)
 static void
 syncImage(void)
 {
+    if (support_remote_image) {
+	return;
+    }
+
     fputs("3;\n", Imgdisplay_wf);	/* XSync() */
     fputs("4;\n", Imgdisplay_wf);	/* put '\n' */
     while (fflush(Imgdisplay_wf) != 0) {
@@ -177,6 +193,7 @@ drawImage()
     static char buf[64];
     int j, draw = FALSE;
     TerminalImage *i;
+    struct stat st ;
 
     if (!activeImage)
 	return;
@@ -184,6 +201,50 @@ drawImage()
 	return;
     for (j = 0; j < n_terminal_image; j++) {
 	i = &terminal_image[j];
+
+	if (support_remote_image) {
+	#if 0
+	    fprintf(stderr,"file %s x %d y %d w %d h %d sx %d sy %d sw %d sh %d (ppc %d ppl %d)\n",
+		getenv("WINDOWID") ? i->cache->file : i->cache->url,
+		i->x, i->y,
+		i->cache->width > 0 ? i->cache->width : 0,
+		i->cache->height > 0 ? i->cache->height : 0,
+		i->sx, i->sy, i->width, i->height,
+		(int)pixel_per_char, (int)pixel_per_line);
+	#endif
+	    put_image(
+	    #if 1
+		/* XXX I don't know why but sometimes i->cache->file doesn't exist. */
+		getenv("WINDOWID") && (stat(i->cache->file,&st) == 0) ?
+			/* local */ i->cache->file : /* remote */ i->cache->url,
+	    #else
+		i->cache->url,
+	    #endif
+		(int)(i->x / pixel_per_char),
+		(int)(i->y / pixel_per_line),
+	    #if 1
+		i->cache->a_width > 0 ?
+			(int)((i->cache->width + i->x % (int)pixel_per_char +
+				pixel_per_char - 1) / pixel_per_char) :
+	    #endif
+			0,
+
+	    #if 1
+		i->cache->a_height > 0 ?
+			(int)((i->cache->height + i->y % (int)pixel_per_line +
+				pixel_per_line - 1) / pixel_per_line) :
+	    #endif
+			0,
+		(int)(i->sx / pixel_per_char),
+		(int)(i->sy / pixel_per_line),
+		(int)((i->width + i->sx % (int)pixel_per_char +
+			pixel_per_char - 1) / pixel_per_char),
+		(int)((i->height + i->sy % (int)pixel_per_line +
+			pixel_per_line - 1) / pixel_per_line));
+
+	    continue ;
+	}
+
 	if (!(i->cache->loaded & IMG_FLAG_LOADED &&
 	      i->width > 0 && i->height > 0))
 	    continue;
@@ -207,9 +268,15 @@ drawImage()
 	fputs("\n", Imgdisplay_wf);
 	draw = TRUE;
     }
-    if (!draw)
+
-	return;
+    if (!support_remote_image) {
-    syncImage();
+	if (!draw)
+	    return;
+	syncImage();
+    }
+    else
+	n_terminal_image = 0;
+
     touch_cursor();
     refresh();
 }
@@ -221,6 +288,10 @@ clearImage()
     int j;
     TerminalImage *i;
 
+    if (support_remote_image) {
+	return;
+    }
+
     if (!activeImage)
 	return;
     if (!n_terminal_image)
@@ -321,6 +392,8 @@ showImageProgress(Buffer *buf)
 	}
     }
     if (n) {
+        if (support_remote_image && n == l)
+	    drawImage();
 	message(Sprintf("%d/%d images loaded", l, n)->ptr,
 		buf->cursorX + buf->rootX, buf->cursorY + buf->rootY);
 	refresh();
@@ -407,7 +480,8 @@ loadImage(Buffer *buf, int flag)
     }
 
     if (draw && image_buffer) {
-	drawImage();
+        if (!support_remote_image)
+	    drawImage();
 	showImageProgress(image_buffer);
     }
 
@@ -521,6 +595,8 @@ getImage(Image * image, ParsedURL *current, int flag)
 	cache->loaded = IMG_FLAG_UNLOADED;
 	cache->width = image->width;
 	cache->height = image->height;
+	cache->a_width = image->width;
+	cache->a_height = image->height;
 	putHash_sv(image_hash, key->ptr, (void *)cache);
     }
     if (flag != IMG_FLAG_SKIP) {
@@ -581,11 +657,11 @@ getImageSize(ImageCache * cache)
     }
     else if (cache->width < 0) {
 	int tmp = (int)((double)cache->height * w / h + 0.5);
-	cache->width = (tmp > MAX_IMAGE_SIZE) ? MAX_IMAGE_SIZE : tmp;
+	cache->a_width = cache->width = (tmp > MAX_IMAGE_SIZE) ? MAX_IMAGE_SIZE : tmp;
     }
     else if (cache->height < 0) {
 	int tmp = (int)((double)cache->width * h / w + 0.5);
-	cache->height = (tmp > MAX_IMAGE_SIZE) ? MAX_IMAGE_SIZE : tmp;
+	cache->a_height = cache->height = (tmp > MAX_IMAGE_SIZE) ? MAX_IMAGE_SIZE : tmp;
     }
     if (cache->width == 0)
 	cache->width = 1;

main.c

@@ -122,6 +122,42 @@ static int searchKeyNum(void);
 #define help() fusage(stdout, 0)
 #define usage() fusage(stderr, 1)
 
+int support_remote_image;
+
+static void
+check_support_remote_image(void)
+{
+    char *env;
+
+    if ((env = getenv("MLTERM"))) {
+	char *p;
+	int major;
+	int minor;
+	int micro;
+
+	if (!(p = strchr(env,'.')))
+	    return;
+	*p = '\0';
+	major = atoi(env);
+	env = p + 1;
+
+	if (!(p = strchr(env,'.')))
+	    return;
+	*p = '\0';
+	minor = atoi(env);
+	env = p + 1;
+	micro = atoi(env) ;
+
+	if (major > 3 ||
+	    (major == 3 && (minor > 1 || (minor == 1 && micro >= 7)))) {
+	    support_remote_image = 1 ;
+	    set_environ( "W3M_USE_REMOTE_IMAGE","1");	/* for w3mimgdisplay */
+	}
+    }
+
+    return;
+}
+
 static void
 fversion(FILE * f)
 {
@@ -409,7 +445,7 @@ main(int argc, char **argv, char **envp)
 #if defined(DONT_CALL_GC_AFTER_FORK) && defined(USE_IMAGE)
     char **getimage_args = NULL;
 #endif /* defined(DONT_CALL_GC_AFTER_FORK) && defined(USE_IMAGE) */
-
+    check_support_remote_image();
     GC_INIT();
 #if defined(ENABLE_NLS) || (defined(USE_M17N) && defined(HAVE_LANGINFO_CODESET))
     setlocale(LC_ALL, "");
@@ -679,6 +715,10 @@ main(int argc, char **argv, char **envp)
 		}
 	    }
 #endif
+	    else if (!strcmp("-ri" , argv[i])) {
+	        support_remote_image = 1;
+		set_environ( "W3M_USE_REMOTE_IMAGE","1");	/* for w3mimgdisplay */
+	    }
 	    else if (!strcmp("-num", argv[i]))
 		showLineNum = TRUE;
 	    else if (!strcmp("-no-proxy", argv[i]))

terms.c

@@ -466,6 +466,56 @@ writestr(char *s)
 
 #define MOVE(line,column)       writestr(tgoto(T_cm,column,line));
 
+void
+put_image(char *url, int x, int y, int w, int h, int sx, int sy, int sw, int sh)
+{
+    Str buf;
+    char *size ;
+
+    if (w > 0 && h > 0)
+	size = Sprintf("%dx%d",w,h)->ptr;
+    else
+	size = "";
+
+    MOVE(y,x);
+    buf = Sprintf("\x1b]5379;show_picture %s %s %dx%d+%d+%d\x07",url,size,sw,sh,sx,sy);
+    writestr(buf->ptr);
+    MOVE(Currentbuf->cursorY,Currentbuf->cursorX);
+}
+
+int
+get_pixel_per_cell(int *ppc, int *ppl)
+{
+    fd_set  rfd;
+    struct timeval tval;
+    char buf[100];
+    ssize_t len;
+    int wp,hp,wc,hc;
+
+    fputs("\x1b[14t\x1b[18t",ttyf); flush_tty();
+
+    tval.tv_usec = 10000;	/* 0.1 sec */
+    tval.tv_sec = 0;
+    FD_SET(tty,&rfd);
+    if (select(tty+1,&rfd,NULL,NULL,&tval) < 0 || ! FD_ISSET(tty,&rfd)) {
+	return 0;
+    }
+
+    if ((len = read(tty,buf,sizeof(buf)-1)) <= 0) {
+	return 0;
+    }
+    buf[len] = '\0';
+
+    if (sscanf(buf,"\x1b[4;%d;%dt\x1b[8;%d;%dt",&hp,&wp,&hc,&wc) != 4) {
+	return 0;
+    }
+
+    *ppc = wp / wc;
+    *ppl = hp / hc;
+
+    return 1;
+}
+
 #ifdef USE_MOUSE
 #define W3M_TERM_INFO(name, title, mouse)	name, title, mouse
 #define NEED_XTERM_ON   (1)

w3mimg/x11/x11_w3mimg.c

@@ -121,16 +121,21 @@ x11_init(w3mimg_op * self)
     if (self == NULL)
 	return 0;
     xi = (struct x11_info *)self->priv;
+#if defined(USE_IMLIB)
     if (xi == NULL)
 	return 0;
-#if defined(USE_IMLIB)
     if (!xi->id) {
 	xi->id = Imlib_init(xi->display);
 	if (!xi->id)
 	    return 0;
     }
 #elif defined(USE_GDKPIXBUF)
-    if (!xi->init_flag) {
+    if (!xi) {
+#if defined(USE_GTK2)
+	g_type_init();
+#endif
+    }
+    else if (!xi->init_flag) {
 #if defined(USE_GTK2)
 	g_type_init();
 #endif
@@ -138,7 +143,7 @@ x11_init(w3mimg_op * self)
 	xi->init_flag = TRUE;
     }
 #endif
-    if (!xi->imageGC) {
+    if (xi && !xi->imageGC) {
 	xi->imageGC = XCreateGC(xi->display, xi->parent, 0, NULL);
 	if (!xi->imageGC)
 	    return 0;
@@ -653,9 +658,11 @@ x11_get_image_size(w3mimg_op * self, W3MImage * img, char *fname, int *w,
 
     if (self == NULL)
 	return 0;
+#if defined(USE_IMLIB) && defined(USE_IMLIB2)
     xi = (struct x11_info *)self->priv;
     if (xi == NULL)
 	return 0;
+#endif
 
 #if defined(USE_IMLIB)
     im = Imlib_load_image(xi->id, fname);
@@ -755,6 +762,9 @@ w3mimg_x11open()
 	return NULL;
     memset(wop, 0, sizeof(w3mimg_op));
 
+    if (getenv("W3M_USE_REMOTE_IMAGE"))
+	goto  end;
+
     xi = (struct x11_info *)malloc(sizeof(struct x11_info));
     if (xi == NULL)
 	goto error;
@@ -807,6 +817,7 @@ w3mimg_x11open()
 
     wop->priv = xi;
 
+  end:
     wop->init = x11_init;
     wop->finish = x11_finish;
     wop->active = x11_active;