getImageSize function
Implementation
ImageSize? getImageSize(double? width) {
if (width == null) {
return null;
} else if (width <= 192) {
return ImageSize.xs;
} else if (width <= 480) {
return ImageSize.sm;
} else if (width <= 720) {
return ImageSize.md;
} else if (width <= 1080) {
return ImageSize.lg;
}
return ImageSize.origin;
}