function processImage(originalImg, invertStrength = 1.0, flipHorizontal = 0, flipVertical = 0) {
// Convert parameters
invertStrength = Number(invertStrength);
if (isNaN(invertStrength)) invertStrength = 1.0;
invertStrength = Math.max(0, Math.min(1, invertStrength));
flipHorizontal = parseInt(flipHorizontal, 10);
flipVertical = parseInt(flipVertical, 10);
const canvas = document.createElement('canvas');
canvas.width = originalImg.width;
canvas.height = originalImg.height;
const ctx = canvas.getContext('2d');
// Handle Opposite (Flip) transformations
ctx.save();
let scaleX = flipHorizontal === 1 ? -1 : 1;
let scaleY = flipVertical === 1 ? -1 : 1;
ctx.translate(
flipHorizontal === 1 ? canvas.width : 0,
flipVertical === 1 ? canvas.height : 0
);
ctx.scale(scaleX, scaleY);
ctx.drawImage(originalImg, 0, 0);
ctx.restore();
// Handle Opposite (Invert Colors) effect
const imageData = ctx.getImageData(0, 0, canvas.width, canvas.height);
const data = imageData.data;
for (let i = 0; i < data.length; i += 4) {
// Linearly interpolate between original color and inverted color based on strength
data[i] = data[i] * (1 - invertStrength) + (255 - data[i]) * invertStrength; // R
data[i + 1] = data[i + 1] * (1 - invertStrength) + (255 - data[i + 1]) * invertStrength; // G
data[i + 2] = data[i + 2] * (1 - invertStrength) + (255 - data[i + 2]) * invertStrength; // B
}
ctx.putImageData(imageData, 0, 0);
return canvas;
}The Opposite Rewording Major Image Effect Generator is a tool designed to apply dramatic transformations to images. It allows users to invert color values with adjustable strength, ranging from subtle color shifts to complete color inversion, and provides options to flip images horizontally or vertically. This tool can be useful for creating artistic photographic effects, generating high-contrast visual assets, or preparing mirrored imagery for design and social media purposes.