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Update README.md to mention resize.Thumbnail.

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jst 2014-01-30 20:03:15 +01:00
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@ -23,11 +23,16 @@ Import package with
import "github.com/nfnt/resize" import "github.com/nfnt/resize"
``` ```
Resize creates a scaled image with new dimensions (`width`, `height`) using the interpolation function `interp`. The resize package provides 2 functions:
* `resize.Resize` creates a scaled image with new dimensions (`width`, `height`) using the interpolation function `interp`.
If either `width` or `height` is set to 0, it will be set to an aspect ratio preserving value. If either `width` or `height` is set to 0, it will be set to an aspect ratio preserving value.
* `resize.Thumbnail` downscales an image preserving its aspect ratio to the maximum dimensions (`maxWidth`, `maxHeight`).
It will return the original image if original sizes are smaller than the provided dimensions.
```go ```go
resize.Resize(width, height uint, img image.Image, interp resize.InterpolationFunction) image.Image resize.Resize(width, height uint, img image.Image, interp resize.InterpolationFunction) image.Image
resize.Thumbnail(maxWidth, maxHeight uint, img image.Image, interp resize.InterpolationFunction) image.Image
``` ```
The provided interpolation functions are (from fast to slow execution time) The provided interpolation functions are (from fast to slow execution time)