X-Git-Url: http://git.nikiroo.be/?a=blobdiff_plain;f=src%2Fjexer%2Ftterminal%2FDisplayLine.java;h=87e6952fb515447b43500395d40cb8e80d0c919b;hb=18899eed4e9fcd8836ca2495375d6b18c3ad77ae;hp=15739486de2b6bf386d4641638d69a3e1c94c744;hpb=a2018e9964f6c58742cd1e6dd0a0c63e244a89d6;p=fanfix.git diff --git a/src/jexer/tterminal/DisplayLine.java b/src/jexer/tterminal/DisplayLine.java index 1573948..87e6952 100644 --- a/src/jexer/tterminal/DisplayLine.java +++ b/src/jexer/tterminal/DisplayLine.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"), @@ -34,17 +34,83 @@ import jexer.bits.CellAttributes; /** * This represents a single line of the display buffer. */ -public final class DisplayLine { +public class DisplayLine { + + // ------------------------------------------------------------------------ + // Constants -------------------------------------------------------------- + // ------------------------------------------------------------------------ + /** * Maximum line length. */ private static final int MAX_LINE_LENGTH = 256; + // ------------------------------------------------------------------------ + // Variables -------------------------------------------------------------- + // ------------------------------------------------------------------------ + /** * The characters/attributes of the line. */ private Cell [] chars; + /** + * Double-width line flag. + */ + private boolean doubleWidth = false; + + /** + * Double height line flag. Valid values are: + * + *
+ * 0 = single height + * 1 = top half double height + * 2 = bottom half double height + *+ */ + private int doubleHeight = 0; + + /** + * DECSCNM - reverse video. We copy the flag to the line so that + * reverse-mode scrollback lines still show inverted colors correctly. + */ + private boolean reverseColor = false; + + // ------------------------------------------------------------------------ + // Constructors ----------------------------------------------------------- + // ------------------------------------------------------------------------ + + /** + * Public constructor makes a duplicate (deep copy). + * + * @param line the line to duplicate + */ + public DisplayLine(final DisplayLine line) { + chars = new Cell[MAX_LINE_LENGTH]; + for (int i = 0; i < chars.length; i++) { + chars[i] = new Cell(line.chars[i]); + } + doubleWidth = line.doubleWidth; + doubleHeight = line.doubleHeight; + reverseColor = line.reverseColor; + } + + /** + * Public constructor sets everything to drawing attributes. + * + * @param attr current drawing attributes + */ + public DisplayLine(final CellAttributes attr) { + chars = new Cell[MAX_LINE_LENGTH]; + for (int i = 0; i < chars.length; i++) { + chars[i] = new Cell(attr); + } + } + + // ------------------------------------------------------------------------ + // DisplayLine ------------------------------------------------------------ + // ------------------------------------------------------------------------ + /** * Get the Cell at a specific column. * @@ -64,11 +130,6 @@ public final class DisplayLine { return chars.length; } - /** - * Double-width line flag. - */ - private boolean doubleWidth = false; - /** * Get double width flag. * @@ -87,17 +148,6 @@ public final class DisplayLine { this.doubleWidth = doubleWidth; } - /** - * Double height line flag. Valid values are: - * - *
- * 0 = single height - * 1 = top half double height - * 2 = bottom half double height - *- */ - private int doubleHeight = 0; - /** * Get double height flag. * @@ -116,12 +166,6 @@ public final class DisplayLine { this.doubleHeight = doubleHeight; } - /** - * DECSCNM - reverse video. We copy the flag to the line so that - * reverse-mode scrollback lines still show inverted colors correctly. - */ - private boolean reverseColor = false; - /** * Get reverse video flag. * @@ -140,19 +184,6 @@ public final class DisplayLine { this.reverseColor = reverseColor; } - /** - * Public constructor sets everything to drawing attributes. - * - * @param attr current drawing attributes - */ - public DisplayLine(final CellAttributes attr) { - chars = new Cell[MAX_LINE_LENGTH]; - for (int i = 0; i < chars.length; i++) { - chars[i] = new Cell(); - chars[i].setTo(attr); - } - } - /** * Insert a character at the specified position. * @@ -161,8 +192,7 @@ public final class DisplayLine { */ public void insert(final int idx, final Cell newCell) { System.arraycopy(chars, idx, chars, idx + 1, chars.length - idx - 1); - chars[idx] = new Cell(); - chars[idx].setTo(newCell); + chars[idx] = new Cell(newCell); } /** @@ -191,7 +221,7 @@ public final class DisplayLine { * @param idx the character index * @param ch the new char */ - public void setChar(final int idx, final char ch) { + public void setChar(final int idx, final int ch) { chars[idx].setChar(ch); } @@ -215,8 +245,32 @@ public final class DisplayLine { */ public void delete(final int idx, final Cell newCell) { System.arraycopy(chars, idx + 1, chars, idx, chars.length - idx - 1); - chars[chars.length - 1] = new Cell(); - chars[chars.length - 1].setTo(newCell); + chars[chars.length - 1] = new Cell(newCell); + } + + /** + * Determine if line contains image data. + * + * @return true if the line has image data + */ + public boolean isImage() { + for (int i = 0; i < chars.length; i++) { + if (chars[i].isImage()) { + return true; + } + } + return false; + } + + /** + * Clear image data from line. + */ + public void clearImages() { + for (int i = 0; i < chars.length; i++) { + if (chars[i].isImage()) { + chars[i].reset(); + } + } } }