X-Git-Url: http://git.nikiroo.be/?a=blobdiff_plain;f=src%2Fjexer%2Fbackend%2FScreen.java;h=2d9cd65459d6ed5f9740a5abad4a1825e1ba06c2;hb=a75902faaade579e3ee7fe68b0e18e49148410de;hp=0fbbea4cfc5c37f15b8e818dfb15028e2ae6ff3e;hpb=3e0743556d1f31723a11a6019b5c2b018b4b2104;p=fanfix.git

diff --git a/src/jexer/backend/Screen.java b/src/jexer/backend/Screen.java
index 0fbbea4..2d9cd65 100644
--- a/src/jexer/backend/Screen.java
+++ b/src/jexer/backend/Screen.java
@@ -3,7 +3,7 @@
  *
  * The MIT License (MIT)
  *
- * Copyright (C) 2017 Kevin Lamonte
+ * Copyright (C) 2019 Kevin Lamonte
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -334,6 +334,19 @@ public interface Screen {
     public void drawBoxShadow(final int left, final int top,
         final int right, final int bottom);
 
+    /**
+     * Clear the physical screen.
+     */
+    public void clearPhysical();
+
+    /**
+     * Unset every image cell on one row of the physical screen, forcing
+     * images on that row to be redrawn.
+     *
+     * @param y row coordinate.  0 is the top-most row.
+     */
+    public void unsetImageRow(final int y);
+
     /**
      * Classes must provide an implementation to push the logical screen to
      * the physical device.
@@ -382,4 +395,18 @@ public interface Screen {
      */
     public void setTitle(final String title);
 
+    /**
+     * Get the width of a character cell in pixels.
+     *
+     * @return the width in pixels of a character cell
+     */
+    public int getTextWidth();
+
+    /**
+     * Get the height of a character cell in pixels.
+     *
+     * @return the height in pixels of a character cell
+     */
+    public int getTextHeight();
+
 }