optimizePNG

Otimização PNG in-place no canvas (paleta / transparência).

Assinatura

interface PNGOptimizationOptions {
  reduceColors?: boolean
  maxColors?: number          // 2–256
  optimizeTransparency?: boolean
  removeUnusedColors?: boolean
}

function optimizePNG(
  canvas: HTMLCanvasElement,
  options?: PNGOptimizationOptions
): HTMLCanvasElement

Returns the same canvas reference after mutation.

Via compress

await compress(file, {
  format: 'image/png',
  optimizePNG: {
    enabled: true,
    reduceColors: true,
    maxColors: 128,
  },
})

Relacionado

• Guide: PNG optimization