X-Git-Url: http://git.nikiroo.be/?a=blobdiff_plain;f=src%2Fjexer%2Fbackend%2FScreen.java;h=2a71073176a6608b3a35d0740855e187c746d0e0;hb=12b90437b5f22c2ae6e9b9b14c3b62b60f6143e5;hp=9b5890fc0e382bcee1ad48ba6de90dcacd37b448;hpb=42873e30bf487bc0b695d60652dba44f82185dbb;p=fanfix.git

diff --git a/src/jexer/backend/Screen.java b/src/jexer/backend/Screen.java
index 9b5890f..2a71073 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"),
@@ -123,6 +123,15 @@ public interface Screen {
      */
     public CellAttributes getAttrXY(final int x, final int y);
 
+    /**
+     * Get the cell at one location.
+     *
+     * @param x column coordinate.  0 is the left-most column.
+     * @param y row coordinate.  0 is the top-most row.
+     * @return the character + attributes
+     */
+    public Cell getCharXY(final int x, final int y);
+
     /**
      * Set the attributes at one location.
      *
@@ -150,7 +159,7 @@ public interface Screen {
      * @param ch character to draw
      * @param attr attributes to use (bold, foreColor, backColor)
      */
-    public void putAll(final char ch, final CellAttributes attr);
+    public void putAll(final int ch, final CellAttributes attr);
 
     /**
      * Render one character with attributes.
@@ -169,7 +178,7 @@ public interface Screen {
      * @param ch character to draw
      * @param attr attributes to use (bold, foreColor, backColor)
      */
-    public void putCharXY(final int x, final int y, final char ch,
+    public void putCharXY(final int x, final int y, final int ch,
         final CellAttributes attr);
 
     /**
@@ -179,7 +188,7 @@ public interface Screen {
      * @param y row coordinate.  0 is the top-most row.
      * @param ch character to draw
      */
-    public void putCharXY(final int x, final int y, final char ch);
+    public void putCharXY(final int x, final int y, final int ch);
 
     /**
      * Render a string.  Does not wrap if the string exceeds the line.
@@ -212,7 +221,7 @@ public interface Screen {
      * @param attr attributes to use (bold, foreColor, backColor)
      */
     public void vLineXY(final int x, final int y, final int n,
-        final char ch, final CellAttributes attr);
+        final int ch, final CellAttributes attr);
 
     /**
      * Draw a horizontal line from (x, y) to (x + n, y).
@@ -224,7 +233,7 @@ public interface Screen {
      * @param attr attributes to use (bold, foreColor, backColor)
      */
     public void hLineXY(final int x, final int y, final int n,
-        final char ch, final CellAttributes attr);
+        final int ch, final CellAttributes attr);
 
     /**
      * Change the width.  Everything on-screen will be destroyed and must be
@@ -325,6 +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.
@@ -345,6 +367,27 @@ public interface Screen {
      */
     public void hideCursor();
 
+    /**
+     * Get the cursor visibility.
+     *
+     * @return true if the cursor is visible
+     */
+    public boolean isCursorVisible();
+
+    /**
+     * Get the cursor X position.
+     *
+     * @return the cursor x column position
+     */
+    public int getCursorX();
+
+    /**
+     * Get the cursor Y position.
+     *
+     * @return the cursor y row position
+     */
+    public int getCursorY();
+
     /**
      * Set the window title.
      *
@@ -352,4 +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();
+
 }