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Keep output dimensions within WebP 14-bit range

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Lovell Fuller
2014-12-06 22:33:47 +00:00
parent 065ce6454b
commit 464fb1726d
4 changed files with 52 additions and 8 deletions
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@@ -110,7 +110,7 @@ readableStream.pipe(transformer).pipe(writableStream);
```javascript
var image = sharp(inputJpg);
image.metadata(function(err, metadata) {
image.resize(metadata.width / 2).webp().toBuffer(function(err, outputBuffer, info) {
image.resize(Math.floor(metadata.width / 2)).webp().toBuffer(function(err, outputBuffer, info) {
// outputBuffer contains a WebP image half the width and height of the original JPEG
});
});
@@ -259,9 +259,9 @@ An advanced setting that switches the libvips access method to `VIPS_ACCESS_SEQU
Scale output to `width` x `height`. By default, the resized image is cropped to the exact size specified.
`width` is the Number of pixels wide the resultant image should be. Use `null` or `undefined` to auto-scale the width to match the height.
`width` is the integral Number of pixels wide the resultant image should be, between 1 and 16383 (0x3FFF). Use `null` or `undefined` to auto-scale the width to match the height.
`height` is the Number of pixels high the resultant image should be. Use `null` or `undefined` to auto-scale the height to match the width.
`height` is the integral Number of pixels high the resultant image should be, between 1 and 16383. Use `null` or `undefined` to auto-scale the height to match the width.
#### extract(top, left, width, height)