Add attributes

Author: macocci7

README.md

@@ -123,6 +123,12 @@ composer require macocci7/bash-colorizer
         ->echo("Hi, there!", PHP_EOL);
     ```
 
+    by hex code:
+    ```php
+    Colorizer::foreground('#ffcc00')  // or #fc0
+        ->echo("Hi, there!", PHP_EOL);
+    ```
+
     by number [0 - 255] (256 colors):
     ```php
     Colorizer::foreground(2)
@@ -145,6 +151,12 @@ composer require macocci7/bash-colorizer
         ->echo("Hi, there!", PHP_EOL);
     ```
 
+    by hex code:
+    ```php
+    Colorizer::background("#ffcc00")  // or #fc0
+        ->echo("Hi, there!", PHP_EOL);
+    ```
+
     by number [0 - 255] (256 colors):
     ```php
     Colorizer::background(1)
@@ -168,6 +180,28 @@ composer require macocci7/bash-colorizer
         ->echo("Hi, there!", PHP_EOL);
     ```
 
+- Setting underline color:
+
+    by hex code:
+    ```php
+    Colorizer::underline("#ffcc00")  // or #fc0
+        ->echo("Hi, there!", PHP_EOL);
+    ```
+
+    by number [0 - 255] (256 colors):
+    ```php
+    Colorizer::underline(1)
+        ->echo("Hi, there!", PHP_EOL);
+    ```
+
+    by (RGB) array (24bit 16777216 colors):
+    ```php
+    Colorizer::underline([255, 0, 0])
+        ->echo("Hi, there!", PHP_EOL);
+    ```
+
+    See more: [Available Colors](#63-available-colors)
+
 - Returning colorized string:
 
     As an argument of echo:
@@ -223,22 +257,34 @@ composer require macocci7/bash-colorizer
 |`no-italic`|〇|〇|
 |`no-underline`|〇|〇|
 |`no-blink`|ー<br><a href="#note3">*3</a>|〇<br><a href="#note4">*4</a>|
+|`proportional-spacing`|ー|ー|
 |`no-reverse`|〇|〇|
 |`no-conceal`|〇|〇|
 |`no-strike`|〇|〇|
+|`no-proportional-spacing`|ー|ー|
+|`framed`|❌|❌|
+|`encircled`|❌|❌|
+|`overlined`|〇|〇|
+|`no-framed-no-encircled`|ー<br><a href="#note3">*3</a>|ー<br><a href="#note3">*3</a>|
+|`no-overlined`|〇|〇|
+|`underline-color`|〇|▲<br><a href="#note5">*5</a>|
 
 > <a id="note1"></a>
 *1: No effect with `faint`<br>
 > <a id="note2"></a>
 *2: Not `fast` (blinks at the same rate as `blink`)<br>
 > <a id="note3"></a>
-*3: Unknown because `blink` has no effect<br>
+*3: Unknown because the corresponding attribute has no effect<br>
 > <a id="note4"></a>
 *4: Also effective against `fast-blink`<br>
+> <a id="note5"></a>
+*5: Partially effective<br>
 
 e.g.) on VSCode Terminal
 
-<img src="arts/available_attributes.png" width="180" height="360" />
+<img src="arts/available_attributes.png" width="220" height="515" />
+
+See more: [Select Graphic Rendition parameters | ANSI escape code | Wikipedia](https://en.wikipedia.org/wiki/ANSI_escape_code#Select_Graphic_Rendition_parameters)
 
 ### 6.3. Available Colors
 
@@ -261,7 +307,7 @@ e.g.) on VSCode Terminal
     |---|---|
     |<img src="arts/available_foreground_colors.png" with="240" height="216" />|<img src="arts/available_background_colors.png" with="240" height="216" />|
 
-- 256 colors [ 0 - 255 ]:
+- 256 colors [ 0 - 255 ]: `foreground`/`background`/`underline`
 
     e.g.) foreground colors on VSCode Terminal:
 
@@ -271,6 +317,10 @@ e.g.) on VSCode Terminal
 
     <img src="arts/background_256colors.png" width="500" height="256" />
 
+    e.g.) underline colors on VSCode Terminal:
+
+    <img src="arts/underline_256colors.png" width="500" height="252" />
+
 - 24bit (16777216) colors:
 
     e.g.) foreground colors on VSCode Terminal:
@@ -281,6 +331,10 @@ e.g.) on VSCode Terminal
 
     <img src="arts/background_24bitcolors.png" width="500" height="406"/>
 
+    e.g.) underline colors on VSCode Terminal:
+
+    <img src="arts/underline_24bitcolors.png" width="500" height="410"/>
+
 ## 7. Examples
 
 Example codes are in [playground](playground/) directory.
@@ -293,6 +347,8 @@ Example codes are in [playground](playground/) directory.
 - [foreground_24bitcolors.php](playground/foreground_24bitcolors.php)
 - [background_256colors.php](playground/background_256colors.php)
 - [background_24bitcolors.php](playground/background_24bitcolors.php)
+- [underline_256colors.php](playground/underline_256colors.php)
+- [underline_24bitcolors.php](playground/underline_24bitcolors.php)
 - [readable.php](playground/readable.php)
 
 ## 8. LICENSE

arts/available_attributes.png

@@ -7,6 +7,7 @@
 $greeting = "Let's make your bash terminal full of colors!";
 
 Colorizer::attributes(["bold"])
+    ->echo(PHP_EOL)
     ->foreground("red")->echo("        B ")
     ->foreground("yellow")->echo("A ")
     ->foreground("white")->echo("S ")
@@ -19,7 +20,8 @@
     ->foreground("yellow")->echo("I ")
     ->foreground("white")->echo("Z ")
     ->foreground("green")->echo("E ")
-    ->foreground("cyan")->echo("R", "\n\n")
+    ->foreground("cyan")->echo("R", PHP_EOL)
+    ->echo(PHP_EOL)
     ;
 Colorizer::attributes(["reset"])
     ->foreground("white")->background("black")->echo($greeting, PHP_EOL)
@@ -30,4 +32,5 @@
     ->foreground("green")->background("cyan")->echo($greeting, PHP_EOL)
     ->foreground("green")->background("blue")->echo($greeting, PHP_EOL)
     ->foreground("green")->background("magenta")->echo($greeting, PHP_EOL)
+    ->echo('', PHP_EOL)
     ;

arts/underline_24bitcolors.png

@@ -0,0 +1,23 @@
+<?php
+
+require_once __DIR__ . '/../vendor/autoload.php';
+
+use Macocci7\BashColorizer\Colorizer;
+
+$interval = 64;
+$column = 5;
+$i = 0;
+
+for ($r = 0; $r <= 256; $r += $interval) {
+    for ($g = 0; $g <= 256; $g += $interval) {
+        for ($b = 0; $b <= 256; $b += $interval) {
+            $i = ($i + 1) % $column;
+            $rr = $r < 0 ? 0 : ($r > 255 ? 255 : $r);
+            $gg = $g < 0 ? 0 : ($g > 255 ? 255 : $g);
+            $bb = $b < 0 ? 0 : ($b > 255 ? 255 : $b);
+            $s = sprintf(' [%3d;%3d;%3d] ', $rr, $gg, $bb);
+            Colorizer::underline([$rr, $gg, $bb])
+                ->echo($s, !$i ? PHP_EOL : '');
+        }
+    }
+}

arts/underline_256colors.png

@@ -0,0 +1,12 @@
+<?php
+
+require_once __DIR__ . '/../vendor/autoload.php';
+
+use Macocci7\BashColorizer\Colorizer;
+
+$columns = 16;
+for ($i = 0; $i < 256; $i++) {
+    $s = sprintf(" %3d ", $i);
+    $eol = ($i % $columns) === ($columns - 1) ? PHP_EOL : '';
+    Colorizer::underline($i)->echo($s, $eol);
+}