From bfa37f3b2ef87d39c15fad7d565c00cbabd92acf Mon Sep 17 00:00:00 2001
From: Kevin Lamonte <kevin.lamonte@gmail.com>
Date: Sun, 11 Aug 2019 15:10:07 -0500
Subject: [PATCH] #35 fix demo

---
 src/jexer/TApplication.java          | 12 ++++++------
 src/jexer/backend/GlyphMaker.java    | 13 +++++++++++++
 src/jexer/backend/LogicalScreen.java | 21 ++++++++++++---------
 src/jexer/backend/SwingTerminal.java |  4 ++--
 4 files changed, 33 insertions(+), 17 deletions(-)

diff --git a/src/jexer/TApplication.java b/src/jexer/TApplication.java
index b21c066f..ec93629b 100644
--- a/src/jexer/TApplication.java
+++ b/src/jexer/TApplication.java
@@ -1723,12 +1723,12 @@ public class TApplication implements Runnable {
                 }
             }
         }
-        assert (cell.getWidth() == Cell.Width.RIGHT);
-
-        if (x > 0) {
-            Cell leftHalf = getScreen().getCharXY(x - 1, y);
-            if (leftHalf.getWidth() == Cell.Width.LEFT) {
-                invertCell(x - 1, y, true);
+        if (cell.getWidth() == Cell.Width.RIGHT) {
+            if (x > 0) {
+                Cell leftHalf = getScreen().getCharXY(x - 1, y);
+                if (leftHalf.getWidth() == Cell.Width.LEFT) {
+                    invertCell(x - 1, y, true);
+                }
             }
         }
     }
diff --git a/src/jexer/backend/GlyphMaker.java b/src/jexer/backend/GlyphMaker.java
index 08cbee8c..91bda6d7 100644
--- a/src/jexer/backend/GlyphMaker.java
+++ b/src/jexer/backend/GlyphMaker.java
@@ -237,6 +237,11 @@ class GlyphMakerFont {
             glyphCache.put(key, image);
         }
 
+        /*
+        System.err.println("cellWidth " + cellWidth +
+            " cellHeight " + cellHeight + " image " + image);
+         */
+
         return image;
     }
 
@@ -265,6 +270,13 @@ class GlyphMakerFont {
 
         textHeight = fontTextHeight + textAdjustHeight;
         textWidth = fontTextWidth + textAdjustWidth;
+        /*
+        System.err.println("font " + font);
+        System.err.println("fontTextWidth " + fontTextWidth);
+        System.err.println("fontTextHeight " + fontTextHeight);
+        System.err.println("textWidth " + textWidth);
+        System.err.println("textHeight " + textHeight);
+         */
 
         gotFontDimensions = true;
     }
@@ -345,6 +357,7 @@ public class GlyphMaker {
      * @param fontSize the size of these fonts in pixels
      */
     private GlyphMaker(final int fontSize) {
+        assert (fontSize > 3);
         makerMono = new GlyphMakerFont(MONO, fontSize);
         // makerCJKhk = new GlyphMakerFont(CJKhk, fontSize);
         // makerCJKkr = new GlyphMakerFont(CJKkr, fontSize);
diff --git a/src/jexer/backend/LogicalScreen.java b/src/jexer/backend/LogicalScreen.java
index e8d26629..558fdc48 100644
--- a/src/jexer/backend/LogicalScreen.java
+++ b/src/jexer/backend/LogicalScreen.java
@@ -967,16 +967,19 @@ public class LogicalScreen implements Screen {
     public final void putFullwidthCharXY(final int x, final int y,
         final Cell cell) {
 
-        if (lastTextHeight != getTextHeight()) {
-            glyphMaker = GlyphMaker.getInstance(getTextHeight());
-            lastTextHeight = getTextHeight();
+        int cellWidth = getTextWidth();
+        int cellHeight = getTextHeight();
+
+        if (lastTextHeight != cellHeight) {
+            glyphMaker = GlyphMaker.getInstance(cellHeight);
+            lastTextHeight = cellHeight;
         }
-        BufferedImage image = glyphMaker.getImage(cell, getTextWidth() * 2,
-            getTextHeight());
-        BufferedImage leftImage = image.getSubimage(0, 0, getTextWidth(),
-            getTextHeight());
-        BufferedImage rightImage = image.getSubimage(getTextWidth(), 0,
-            getTextWidth(), getTextHeight());
+        BufferedImage image = glyphMaker.getImage(cell, cellWidth * 2,
+            cellHeight);
+        BufferedImage leftImage = image.getSubimage(0, 0, cellWidth,
+            cellHeight);
+        BufferedImage rightImage = image.getSubimage(cellWidth, 0, cellWidth,
+            cellHeight);
 
         Cell left = new Cell(cell);
         left.setImage(leftImage);
diff --git a/src/jexer/backend/SwingTerminal.java b/src/jexer/backend/SwingTerminal.java
index d32cf1ed..134eceda 100644
--- a/src/jexer/backend/SwingTerminal.java
+++ b/src/jexer/backend/SwingTerminal.java
@@ -182,12 +182,12 @@ public class SwingTerminal extends LogicalScreen
     /**
      * Width of a character cell in pixels.
      */
-    private int textWidth = 1;
+    private int textWidth = 16;
 
     /**
      * Height of a character cell in pixels.
      */
-    private int textHeight = 1;
+    private int textHeight = 20;
 
     /**
      * Width of a character cell in pixels, as reported by font.
-- 
2.27.0