From ed1afeb648416e4bb5da8baa6fc564e2a1ac7ed2 Mon Sep 17 00:00:00 2001
From: Witold Filipczyk <witekfl@poczta.onet.pl>
Date: Fri, 26 May 2023 19:46:07 +0200
Subject: [PATCH] [options] Added bool option document.plain.sixel

---
 src/config/options.inc        | 6 ++++++
 src/document/options.c        | 1 +
 src/document/options.h        | 4 ++++
 src/document/plain/renderer.c | 7 ++++++-
 4 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/src/config/options.inc b/src/config/options.inc
index 05d61a6f..63f3cf0c 100644
--- a/src/config/options.inc
+++ b/src/config/options.inc
@@ -868,6 +868,12 @@ static union option_info config_options_info[] = {
 		N_("Change ascii border characters to frame borders. Usage example: "
 		"mysql --pager=elinks")),
 
+#ifdef CONFIG_LIBSIXEL
+	INIT_OPT_BOOL("document.plain", N_("Sixel"),
+		"sixel", OPT_ZERO, 0,
+		N_("Whether to display sixel images in plain text documents.")),
+#endif
+
 	INIT_OPT_TREE("document", N_("URI passing"),
 		"uri_passing", OPT_SORT | OPT_AUTOCREATE,
 		N_("Rules for passing URIs to external commands. When one "
diff --git a/src/document/options.c b/src/document/options.c
index 5247ec9f..7ec9f4fa 100644
--- a/src/document/options.c
+++ b/src/document/options.c
@@ -115,6 +115,7 @@ init_document_options(struct session *ses, struct document_options *doo)
 	doo->image_link.tagging = get_opt_int("document.browse.images.image_link_tagging", ses);
 	doo->image_link.show_any_as_links = get_opt_bool("document.browse.images.show_any_as_links", ses);
 #ifdef CONFIG_LIBSIXEL
+	doo->sixel = get_opt_bool("document.plain.sixel", ses);
 	if (ses && ses->tab->term) {
 		doo->cell_width = ses->tab->term->cell_width;
 		doo->cell_height = ses->tab->term->cell_height;
diff --git a/src/document/options.h b/src/document/options.h
index 86f8c202..c6c5536e 100644
--- a/src/document/options.h
+++ b/src/document/options.h
@@ -161,6 +161,10 @@ struct document_options {
 	unsigned int utf8:1;
 #endif /* CONFIG_UTF8 */
 	unsigned int dump:1;
+
+#ifdef CONFIG_LIBSIXEL
+	unsigned int sixel:1;
+#endif
 	/** Active link coloring.
 	 * This is mostly here to make use of this option cache so
 	 * link drawing is faster. --jonas */
diff --git a/src/document/plain/renderer.c b/src/document/plain/renderer.c
index a32bfde4..83218816 100644
--- a/src/document/plain/renderer.c
+++ b/src/document/plain/renderer.c
@@ -56,6 +56,8 @@ struct plain_renderer {
 
 	/* Are we doing line compression */
 	unsigned int compress:1;
+
+	unsigned int sixel:1;
 };
 
 #define realloc_document_links(doc, size) \
@@ -642,7 +644,7 @@ add_document_line(struct plain_renderer *renderer,
 				template_->attr |= pos->attr;
 		} else if (line_char == 27) {
 #ifdef CONFIG_LIBSIXEL
-			if (line_pos + 1 < width && line[line_pos + 1] == 'P') { // && line_pos + 2 < width && line[line_pos + 2] == 'q') {
+			if (renderer->sixel && line_pos + 1 < width && line[line_pos + 1] == 'P') { // && line_pos + 2 < width && line[line_pos + 2] == 'q') {
 				while (1) {
 					char *end = (char *)memchr(line + line_pos + 1, 27, width - line_pos - 1);
 
@@ -1013,6 +1015,9 @@ render_plain_document(struct cache_entry *cached, struct document *document,
 	renderer.lineno = 0;
 	renderer.convert_table = convert_table;
 	renderer.compress = document->options.plain_compress_empty_lines;
+#ifdef CONFIG_LIBSIXEL
+	renderer.sixel = document->options.sixel;
+#endif
 	renderer.max_width = document->options.wrap ? document->options.document_width
 						    : INT_MAX;