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Restructure library modules

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terminal/ -> terminal-emulator/
view/ -> terminal-view/
This commit is contained in:
Fredrik Fornwall
2017-04-02 14:21:36 +02:00
parent 5cd705d6d1
commit 7d3a988d2f
54 changed files with 15 additions and 10 deletions
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86
terminal-emulator/src/main/java/com/termux/terminal/TextStyle.java Normal file
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package com.termux.terminal;
/**
* Encodes effects, foreground and background colors into a 64 bit long, which are stored for each cell in a terminal
* row in {@link TerminalRow#mStyle}.
* <p/>
* The bit layout is:
* - 16 flags (11 currently used).
* - 24 for foreground color (only 9 first bits if a color index).
* - 24 for background color (only 9 first bits if a color index).
*/
public final class TextStyle {
public final static int CHARACTER_ATTRIBUTE_BOLD = 1;
public final static int CHARACTER_ATTRIBUTE_ITALIC = 1 << 1;
public final static int CHARACTER_ATTRIBUTE_UNDERLINE = 1 << 2;
public final static int CHARACTER_ATTRIBUTE_BLINK = 1 << 3;
public final static int CHARACTER_ATTRIBUTE_INVERSE = 1 << 4;
public final static int CHARACTER_ATTRIBUTE_INVISIBLE = 1 << 5;
public final static int CHARACTER_ATTRIBUTE_STRIKETHROUGH = 1 << 6;
/**
* The selective erase control functions (DECSED and DECSEL) can only erase characters defined as erasable.
* <p/>
* This bit is set if DECSCA (Select Character Protection Attribute) has been used to define the characters that
* come after it as erasable from the screen.
*/
public final static int CHARACTER_ATTRIBUTE_PROTECTED = 1 << 7;
/** Dim colors. Also known as faint or half intensity. */
public final static int CHARACTER_ATTRIBUTE_DIM = 1 << 8;
/** If true (24-bit) color is used for the cell for foreground. */
private final static int CHARACTER_ATTRIBUTE_TRUECOLOR_FOREGROUND = 1 << 9;
/** If true (24-bit) color is used for the cell for foreground. */
private final static int CHARACTER_ATTRIBUTE_TRUECOLOR_BACKGROUND= 1 << 10;
public final static int COLOR_INDEX_FOREGROUND = 256;
public final static int COLOR_INDEX_BACKGROUND = 257;
public final static int COLOR_INDEX_CURSOR = 258;
/** The 256 standard color entries and the three special (foreground, background and cursor) ones. */
public final static int NUM_INDEXED_COLORS = 259;
/** Normal foreground and background colors and no effects. */
final static long NORMAL = encode(COLOR_INDEX_FOREGROUND, COLOR_INDEX_BACKGROUND, 0);
static long encode(int foreColor, int backColor, int effect) {
long result = effect & 0b111111111;
if ((0xff000000 & foreColor) == 0xff000000) {
// 24-bit color.
result |= CHARACTER_ATTRIBUTE_TRUECOLOR_FOREGROUND | ((foreColor & 0x00ffffffL) << 40L);
} else {
// Indexed color.
result |= (foreColor & 0b111111111L) << 40;
}
if ((0xff000000 & backColor) == 0xff000000) {
// 24-bit color.
result |= CHARACTER_ATTRIBUTE_TRUECOLOR_BACKGROUND | ((backColor & 0x00ffffffL) << 16L);
} else {
// Indexed color.
result |= (backColor & 0b111111111L) << 16L;
}
return result;
}
public static int decodeForeColor(long style) {
if ((style & CHARACTER_ATTRIBUTE_TRUECOLOR_FOREGROUND) == 0) {
return (int) ((style >>> 40) & 0b111111111L);
} else {
return 0xff000000 | (int) ((style >>> 40) & 0x00ffffffL);
}
}
public static int decodeBackColor(long style) {
if ((style & CHARACTER_ATTRIBUTE_TRUECOLOR_BACKGROUND) == 0) {
return (int) ((style >>> 16) & 0b111111111L);
} else {
return 0xff000000 | (int) ((style >>> 16) & 0x00ffffffL);
}
}
public static int decodeEffect(long style) {
return (int) (style & 0b11111111111);
}
}