How to show the original image in galleria jquery library

I want images to display in their original size, not stretched. How? How can I disable that.

Anyone who kn开发者_StackOverflowows the solution please help me.

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max_scale_ratio

• type: Number

• default: undefined

• Sets the maximum scale ratio for images. F.ex, if you don't want Galleria to upscale any images, set this to 1.

• undefined will allow any scaling of the images.