xBRZ 1.8 [2019-11-28]
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Consider ARGB outside area as transparent
Fixed ARGB scaling issue on image borders


xBRZ 1.7 [2019-07-04]
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Fixed asymmetric color distance
New parameter: "Center direction bias"


xBRZ 1.6 [2018-02-27]
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Added bilinear scaling
Option to skip color buffer creation
Updated license info


xBRZ 1.5 [2017-08-07]
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Added RGB conversion routines


xBRZ 1.4 [2015-07-25]
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Added 6xBRZ scaler
Create color distance buffer lazily


xBRZ 1.3 [2015-04-03]
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Improved ARGB performance by 15%
Fixed alpha channel gradient bug


xBRZ 1.2 [2014-11-21]
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Further improved performance by over 30%


xBRZ 1.1 [2014-11-02]
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Support images with alpha channel
Improved color analysis


xBRZ 1.0 [2013-02-11]
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Fixed xBRZ scaler compiler issues for GCC

 
xBRZ 0.2 [2012-12-11]
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Added 5xBRZ scaler
Optimized xBRZ scaler performance by factor 3
Further improved image quality of xBRZ scaler


xBRZ 0.1 [2012-09-26]
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Initial release:
- scale while preserving small image features
- support multithreading
- support 64-bit architectures
- support processing image slices