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-rw-r--r--apps/gui/gwps.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/apps/gui/gwps.h b/apps/gui/gwps.h
index 127fd99..8d0cc00 100644
--- a/apps/gui/gwps.h
+++ b/apps/gui/gwps.h
@@ -85,6 +85,10 @@ struct align_pos {
#ifdef HAVE_LCD_BITMAP
#define MAX_IMAGES (26*2) /* a-z and A-Z */
+
+/* The image buffer is big enough to store one full-screen native bitmap,
+ plus two full-screen mono bitmaps. */
+
#define IMG_BUFSIZE ((LCD_HEIGHT*LCD_WIDTH*LCD_DEPTH/8) \
+ (2*LCD_HEIGHT*LCD_WIDTH/8))