| ⇢ | A | AbstractTransparentImage added | |
| B | ↗ | A | Image improved |
| ⇢ | A | AbstractTransparentImage::prepWithExistingIndex() added | |
| ⇢ | A | AbstractTransparentImage::prepTransparentPng() added | |
| ⇢ | A | PngStrategy::handleTransparency() added | |
| ⇢ | A | PngStrategy::render() added | |
| ⇢ | A | GifStrategy::handleTransparency() added | |
| ⇢ | A | AbstractTransparentImage::getTransparencyIndex() added | |
| ⇢ | A | JpegStrategy::render() added | |
| ⇢ | A | JpegStrategy::handleTransparency() added | |
| ⇢ | A | GifStrategy::render() added | |
| A | ↛ | Image::handleTransparency() removed | |
| A | ↛ | Image::prepTransparentPng() removed | |
| A | ↛ | Image::prepWithExistingIndex() removed | |
| A | ↛ | Image::getImageType() removed |