update doc

Author: switer

README.md

@@ -67,6 +67,7 @@ imaging example.png -c "*"
 ```
 
 imaging char names:
+* **charmap** specific color with specific char, enjoy it.  
 * square "▇"
 * circle "●"
 * rectangle" "█"
@@ -80,7 +81,7 @@ imaging char names:
 
 ```javascript
 var imaging = require('imaging');
-imaging.draw('1.jpg', function (resp, status) {
+imaging.draw('example.jpg', function (resp, status) {
     /*
       if status == 'success', resp is the image charater string.
       conols.log(resp) to render the image in your terminal
@@ -91,7 +92,7 @@ imaging.draw('1.jpg', function (resp, status) {
 });
 
 // limit the width for rendering
-imaging.draw('1.jpg', { width: 50}, function (resp, status) {
+imaging.draw('example.jpg', { width: 50}, function (resp, status) {
     /*
       if status == 'success', resp is the image charater string.
       conols.log(resp) to render the image in your terminal
@@ -119,7 +120,7 @@ __callback:__ `function (resp, status)`
 
 __Source image:__
 
-![source imh](http://switer.github.io/live/imaging_img.png)
+![source img](http://switer.github.io/live/imaging_img.png)
 
 __Draw into terminal:__
 

lib/runner.js

@@ -76,7 +76,7 @@ function $render (width, height, left) {
     }
 
     if (config.char[pix]) pix = config.char[pix]
-    else if ( (pix != 'random' && pix.length > 1) || !pix) pix = config.char.default  
+    else if ( (pix != 'charmap' && pix.length > 1) || !pix) pix = config.char.default  
 
     $draw(colors, {
         left: left,
@@ -100,7 +100,7 @@ function $draw(colors, opts, cb) {
     var pixel
 
     for (var i = 0; i < colors.length; i++) {
-        if (opts.pixel == 'random') {
+        if (opts.pixel == 'charmap') {
             pixel = charMap[opts.rgbColors[i]] || opts.pixel
         } else {
             pixel = opts.pixel

test/index.js

@@ -3,7 +3,7 @@
 var path = require('path')
 var imaging = require('../index.js');
 
-imaging.draw(path.join(__dirname, '../res/i.png'), {width: 70, char: 'random'}, function (resp, status) {
+imaging.draw(path.join(__dirname, '../res/i.png'), {width: 70, char: 'charmap'}, function (resp, status) {
     console.log(status);
     console.log(resp);
 });