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Docs: update the "make a transparent image" example (#1316)

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Alpha for colour is between 0-1, not 0-255.
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thegareth 2018-08-02 09:42:25 +01:00 committed by Lovell Fuller
parent 4589b15dea
commit 2de062a34a
2 changed files with 2 additions and 2 deletions
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2
docs/api-constructor.md
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@ -55,7 +55,7 @@ sharp({
width: 300, width: 300,
height: 200, height: 200,
channels: 4, channels: 4,
background: { r: 255, g: 0, b: 0, alpha: 128 } background: { r: 255, g: 0, b: 0, alpha: 0.5 }
} }
}) })
.png() .png()

2
lib/constructor.js
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@ -81,7 +81,7 @@ const debuglog = util.debuglog('sharp');
* width: 300, * width: 300,
* height: 200, * height: 200,
* channels: 4, * channels: 4,
* background: { r: 255, g: 0, b: 0, alpha: 128 } * background: { r: 255, g: 0, b: 0, alpha: 0.5 }
* } * }
* }) * })
* .png() * .png()