tti.js - npm Package Compare versions

Comparing version 1.0.7 to 1.1.0

lib/tti.js

@@ -5,108 +5,153 @@ require('colors');
 const Jimp = require('jimp');
+const config = require('./config');
+const clp = require('./clp');
 
 
+console.log(`${'i'.cyan} TTI by zephyr`);
+
+
 /**
  * Functions and variables.
  */
-console.log(`${'i'.cyan} TTI by zephyr`);
+const perfectWidth = pixelsCount => {
+    let width = Math.ceil(Math.sqrt(pixelsCount));
+    while (1) {
+        if (!(pixelsCount % width)) {
+            return width;
+        }
+        width--;
+    }  
+}
 
-const argumentsParser = argv => {
-    let raw = argv.slice(2);
-    if (!raw.length) return {};
-    let argumentsMap = {};
-    for (let i = 0; i < raw.length; i++) {
-        let alias = raw[i];
-        if (alias.startsWith('--')) {
-            alias = alias.substring(2);
-            let value = raw[i + 1];
-            if (value) {
-                if (value.startsWith('--')) {
-                    argumentsMap[alias] = true;
-                    continue;
-                }
-                argumentsMap[alias] = value;
-                i += 1;
-            } else {
-                argumentsMap[alias] = true;
-                continue;
-            }
+const cl = clp(config.parserConfig);
+
+const encode = (text, output) => {
+    /**
+     * Text processing.
+     */
+    const symbols = text.split('').map(s => {
+        let code = s.charCodeAt();
+        return code < 20 ? '00' : code.toString(16);
+    });
+    const pixels = _.chunk(symbols, 3).map(p => {
+        if (p.length === 1) {
+            return p.join('') + '0000ff';
+        } else if (p.length === 2) {
+            return p.join('') + '00ff';
         } else {
-            console.log(`❌ Please, use -- prefix for arguments.`);
-            process.exit(1);
+            return p.join('') + 'ff';
         }
+    });
+    console.log('✔️ Text processed');
+    
+    /**
+     * Matrix configuration.
+     */
+    const pixelsCount = pixels.length;
+    const areaRoot = Math.sqrt(pixelsCount);
+    let width, height;
+    if (pixelsCount != 3) {
+        width = cl.flags.l || cl.flags.long ? pixelsCount : perfectWidth(pixelsCount);
+        height = cl.flags.l || cl.flags.long ? 1 : pixelsCount / width;
+    } else {
+        width = cl.flags.l || cl.flags.long ? 3 : 2;
+        height = cl.flags.l || cl.flags.long ? 1 : 2;
     }
-    return argumentsMap;
+    const matrix = _.chunk(pixels, width);
+    
+    /**
+     * Image creation.
+     */
+    const image = new Jimp(width, height, '#000000ff');
+    matrix.forEach((row, y) => {
+        row.forEach((pixel, x) => {
+            image.setPixelColor(parseInt(pixel, 16), x, y);
+        });
+    });
+    console.log('✔️ Matrix applied');
+    
+    /**
+     * Saving new image.
+     */
+    image.write(output, () => {
+        console.log(`✔️ Done! (${pixels.length} pixels from ${symbols.length} symbols)`);
+    });
 }
 
-const config = argumentsParser(process.argv);
+const decode = async (image, output) => {
+    let symbols = [];
 
-/**
- * Help guide.
- */
-if (config.help || config.h) {
-    console.log(
-'Usage: tti [ options ]\n\n\
-Options:\n\
-\t--f|--file - Input text file directory. (required)\n\
-\t--o|--output - Output image file name.\n\
-\t--l|--long - Wraps to single line of pixels.\n'
-    );
-    process.exit(0);
+    /**
+     * Image scan.
+     */
+    for (const { x, y } of image.scanIterator(0, 0, image.bitmap.width, image.bitmap.height)) {
+        let color = await image.getPixelColor(x, y).toString(16).substring(0, 6);
+        let bytes = [
+            color.slice(0, 2),
+            color.slice(2, 4),
+            color.slice(4, 6)
+        ];
+        symbols = symbols.concat(bytes);
+    }
+    console.log('✔️ Image scanned');
+
+    if (!cl.flags.hex) {
+        symbols = symbols.filter(e => e != '00').map(byte => String.fromCharCode(parseInt(byte, 16)));
+        console.log('✔️ Converted to text');
+    }
+    await fs.writeFileSync(output, symbols.join(''));
+    console.log(`✔️ Done! (${symbols.length} symbols from ${image.bitmap.width * image.bitmap.height} pixels)`);
 }
- 
+
 /**
- * Input reading.
+ * Errors log.
  */
-if (!config.f && !config.file) {
-    console.log('❌ No text file directory specified.');
+if (cl.errors.length) {
+    cl.errors.forEach(error => {
+        let errorMessage = '❌ ';
+        if (error.missingValue) {
+            errorMessage += `Missing value at flag "${error.missingValue}".`;
+        } else if (error.valueIn) {
+            errorMessage += `Flag "${error.valueIn}" does not takes values.`;
+        } else if (error.unknownFlag) {
+            errorMessage += `Unknown flag "${error.unknownFlag}".`;
+        } else if (error.unknownArgument) {
+            errorMessage += `Unknown argument "${error.unknownArgument}".`;
+        } else if (error.missingArgument) {
+            errorMessage += `Missing argument "${error.missingArgument}".`;
+        }
+        console.log(errorMessage);
+    });
     process.exit(1);
 }
 
-let text;
-
-try {
-    text = fs.readFileSync(config.f || config.file).toString('ascii');
-} catch {
-    console.log('❌ File not found.');
+/**
+ * Help string.
+ */
+if (cl.flags.h || cl.flags.help) {
+    console.log(config.helpString);
     process.exit(1);
 }
 
-if (!text.length) {
-    console.log('❌ File is empty.');
-    process.exit(1);
-}
- 
- 
-/**
- * Text processing.
- */
-const symbols = text.split('').map(s => s.charCodeAt().toString(16));
-const pixels = _.chunk(symbols, 3).map(p => p.length < 3 ? p.join('') + '00ff' : p.join('') + 'ff');
-console.log('✔️ Text processed');
- 
- 
-/**
- * Matrix configuration.
- */
-const pixelsCount = pixels.length;
-const width = config.l || config.long ? pixelsCount : Math.floor(Math.sqrt(pixelsCount));
-const height = config.l || config.long ? 1 : Math.ceil(Math.sqrt(pixelsCount));
-const matrix = _.chunk(pixels, width);
- 
-/**
- * Image creation.
- */
-const image = new Jimp(width, height, '#000000ff');
-matrix.forEach((row, y) => {
-    row.forEach((pixel, x) => {
-        image.setPixelColor(parseInt(pixel, 16), x, y);
-    });
-});
-console.log('✔️ Matrix applied');
- 
-/**
- * Saving new image.
- */
-image.write(config.o || config.output || 'output.png', () => {
-    console.log(`✔️ Done! (${symbols.length} symbols, ${pixels.length} pixels)`);
-});
+if (cl.module === 'encode') {
+    if (fs.existsSync(cl.arguments.input)) {
+        let text = fs.readFileSync(cl.arguments.input).toString();
+        if (!text.length) {
+            console.log('❌ File is empty.');
+        } else {
+            encode(text, cl.arguments.output || `${cl.arguments.input.split(/\./)[0]}.png`);
+        }
+    } else {
+        console.log('❌ Input file does not found.');
+    }
+} else {
+    if (fs.existsSync(cl.arguments.input)) {
+        (async () => {
+            let image = await Jimp.read(cl.arguments.input);
+            console.log('✔️ Image loaded');
+            decode(image, cl.arguments.output || `${cl.arguments.input.split(/\./)[0]}.txt`);
+        })();
+    } else {
+        console.log('❌ Input file does not found.');
+    }
+}

package.json

 {
     "name": "tti.js",
-    "version": "1.0.7",
+    "version": "1.1.0",
     "description": "Text to image conversion utility.",
@@ -5,0 +5,0 @@ "main": "./lib/tti.js",

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Improved metrics

Total package byte prevSize

9084

increased by160.73%

Number of package files

6

increased by50%

Lines of code

255

increased by165.63%

Worsened metrics

Number of medium supply chain risk alerts

1

increased byInfinity%

No dependency changes