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Rename WTVPNG to WTVImage since it handles more than just PNG

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zefie
2026-04-26 12:49:32 -04:00
parent 1923a8d9f0
commit afa557ae37
4 changed files with 59 additions and 48 deletions
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34
zefie_wtvp_minisrv/wtv_png_converter.js
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@@ -24,7 +24,7 @@
const fs = require('fs');
const path = require('path');
const WTVPNG = require('./includes/classes/WTVPNG');
const WTVImage = require('./includes/classes/WTVImage');
// ---------------------------------------------------------------------------
// Argument parser
@@ -55,12 +55,12 @@ function parseArgs(argv) {
function printHelp() {
console.log(`
WebTV PNG/GIF Converter
WebTV Image Converter
=======================
Usage: node wtv_png_converter.js <command> [options] <input> [output]
Usage: node wtv_img_converter.js <command> [options] <input> [output]
Commands:
convert Convert a PNG to the best WebTV format
convert Convert an image to the best WebTV format
- No alpha → JPEG
- Palette PNG → Artemis GIF (palette 1:1, no requantization)
- Full-color RGBA → Artemis GIF (quantized)
@@ -73,7 +73,7 @@ Commands:
detect Report whether a file is an Artemis ALP/ALF GIF (no output file needed)
Options:
--type <ALP|ALF> Artemis variant for encoding/convert (default: ALP)
--type <ALP|ALF> Artemis variant for encoding/convert (default: ALF)
--colors <n> Palette size for full-color quantization (default: 256)
--quality <n> JPEG quality when output is JPEG (default: 85)
--output, -o <file> Output file path
@@ -104,9 +104,9 @@ function resolveOutput(inputFile, suggestedExt, override) {
// Commands
// ---------------------------------------------------------------------------
async function cmdConvert(inputFile, outputFile, opts) {
const pngBuf = fs.readFileSync(inputFile);
const { data, mime } = await WTVPNG.pngToWebTV(pngBuf, {
type: opts.type || 'ALP',
const ImageBuf = fs.readFileSync(inputFile);
const { data, mime } = await WTVImage.ImageToWebTV(ImageBuf, {
type: opts.type || 'ALF',
colors: opts.colors || 256,
jpegQuality: opts.quality || 85
});
@@ -118,35 +118,35 @@ async function cmdConvert(inputFile, outputFile, opts) {
}
async function cmdEncode(inputFile, outputFile, opts) {
const pngBuf = fs.readFileSync(inputFile);
const gifBuf = await WTVPNG.pngToGIF(pngBuf, {
type: opts.type || 'ALP',
const ImageBuf = fs.readFileSync(inputFile);
const gifBuf = await WTVImage.ImageToGIF(ImageBuf, {
type: opts.type || 'ALF',
colors: opts.colors || 256
});
const dest = resolveOutput(inputFile, '.gif', outputFile);
fs.writeFileSync(dest, gifBuf);
const type = WTVPNG.detect(gifBuf);
const type = WTVImage.detect(gifBuf);
console.log(`[encode] ${inputFile} → ${dest} (Artemis ${type}, ${gifBuf.length} bytes)`);
}
async function cmdDecode(inputFile, outputFile, opts) {
const gifBuf = fs.readFileSync(inputFile);
const type = WTVPNG.detect(gifBuf);
const type = WTVImage.detect(gifBuf);
if (!type) {
console.error(`[decode] ${inputFile} does not contain an Artemis ALP/ALF block.`);
process.exit(1);
}
const pngBuf = await WTVPNG.gifToPNG(gifBuf);
const ImageBuf = await WTVImage.gifToPNG(gifBuf);
const dest = resolveOutput(inputFile, '.png', outputFile);
fs.writeFileSync(dest, pngBuf);
console.log(`[decode] ${inputFile} (Artemis ${type}) → ${dest} (${pngBuf.length} bytes)`);
fs.writeFileSync(dest, ImageBuf);
console.log(`[decode] ${inputFile} (Artemis ${type}) → ${dest} (${ImageBuf.length} bytes)`);
}
function cmdDetect(inputFile) {
const buf = fs.readFileSync(inputFile);
const type = WTVPNG.detect(buf);
const type = WTVImage.detect(buf);
if (type) {
console.log(`[detect] ${inputFile} → Artemis ${type}`);
} else {