Merge branch 'master' of https://github.com/nfnt/resize
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README.md
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README.md
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@ -78,6 +78,54 @@ func main() {
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}
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```
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Downsizing Samples
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-------
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Downsizing is not as simple as it might look like. Images have to be filtered before they are scaled down, otherwise aliasing might occur.
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Filtering is highly subjective: Applying too much will blur the whole image, too little will make aliasing become apparent.
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Resize tries to provide sane defaults that should suffice in most cases.
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### Artificial sample
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Original image
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![Rings](http://nfnt.github.com/img/rings_lg_orig.png)
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<table>
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<tr>
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<th><img src="http://nfnt.github.com/img/rings_300_NearestNeighbor.png" /><br>Nearest-Neighbor</th>
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<th><img src="http://nfnt.github.com/img/rings_300_Bilinear.png" /><br>Bilinear</th>
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</tr>
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<tr>
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<th><img src="http://nfnt.github.com/img/rings_300_Bicubic.png" /><br>Bicubic</th>
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<th><img src="http://nfnt.github.com/img/rings_300_MitchellNetravali.png" /><br>Mitchell-Netravali</th>
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</tr>
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<tr>
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<th><img src="http://nfnt.github.com/img/rings_300_Lanczos2.png" /><br>Lanczos2</th>
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<th><img src="http://nfnt.github.com/img/rings_300_Lanczos3.png" /><br>Lanczos3</th>
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</tr>
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</table>
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### Real-Life sample
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Original image
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![Original](http://nfnt.github.com/img/IMG_3694_720.jpg)
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<table>
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<tr>
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<th><img src="http://nfnt.github.com/img/IMG_3694_300_NearestNeighbor.png" /><br>Nearest-Neighbor</th>
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<th><img src="http://nfnt.github.com/img/IMG_3694_300_Bilinear.png" /><br>Bilinear</th>
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</tr>
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<tr>
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<th><img src="http://nfnt.github.com/img/IMG_3694_300_Bicubic.png" /><br>Bicubic</th>
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<th><img src="http://nfnt.github.com/img/IMG_3694_300_MitchellNetravali.png" /><br>Mitchell-Netravali</th>
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</tr>
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<tr>
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<th><img src="http://nfnt.github.com/img/IMG_3694_300_Lanczos2.png" /><br>Lanczos2</th>
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<th><img src="http://nfnt.github.com/img/IMG_3694_300_Lanczos3.png" /><br>Lanczos3</th>
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</tr>
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</table>
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License
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-------
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