36.17 Image Resize
20190428
To re-scale (resize or reduce the size of) a photo (or any image) that might be too large for sending by email, for example, or too large to include in a presentation, we can simply specify a percentage, thus retaining the aspect ratio of the image:
We can resize an image down to a size that will fit within the
specified bounds, like 800x600. Depending on the aspect ratio of the
original image, the resulting image will be exactly 800x600, or its
width will be 800 or its height 600.
If a single size is specified then either the width or the height is reduced to that size, which we can do in-place with:
To force a resize without retaining the aspect ratio:
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