README.md

Goheeca · May 17, 2019 · 9708c85 · 9708c85
1 parent 05e589f
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diff --git a/README.md b/README.md
@@ -14,7 +14,7 @@ FbTerm is a fast terminal emulator for linux with frame buffer device or VESA vi
   * change the orientation of screen display, a.k.a. screen rotation
   * lightweight input method framework with client-server architecture
   * background image for eye candy (set `FBTERM_BACKGROUND_IMAGE`)
-  * mmapped background image (set `FBTERM_BACKGROUND_IMAGE_PATH` to the file)
+  * background image fed through shared memory (set `FBTERM_BACKGROUND_IMAGE_PATH` to the shared memory path (e.g. `/fbterm.background` for `/dev/shm/fbterm.background` in linux); the background gets updated by signaling `SIGIO`
 
 read man page doc/fbterm.1 for usage help.
 

diff --git a/src/screen_render.cpp b/src/screen_render.cpp
@@ -134,7 +134,7 @@ void Screen::endFillDraw()
 void Screen::redrawBg()
 {
 	if (mBackgroundData != MAP_FAILED) {
-		mempcpy(bgimage_mem, mBackgroundData, mSize);		
+		mempcpy(bgimage_mem, mBackgroundData, mSize);
 	}
 }