Mathis/sharp
1
0
Fork 0
mirror of https://github.com/lovell/sharp.git synced 2025-12-19 15:25:07 +01:00
Code Issues Packages Projects Releases Wiki Activity

Expose angle option in tile feature (#1121)

Browse Source
This commit is contained in:
Andrea Bianco
2018-02-18 20:00:08 +01:00
committed by Lovell Fuller
parent 1a4e68096f
commit f86ae79fdb
4 changed files with 99 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
lib/output.js
View File

@@ -319,6 +319,7 @@ function toFormat (format, options) {
* @param {Object} [tile]
* @param {Number} [tile.size=256] tile size in pixels, a value between 1 and 8192.
* @param {Number} [tile.overlap=0] tile overlap in pixels, a value between 0 and 8192.
* @param {Number} [tile.angle=0] tile, angle of rotation, must be a multiple of 90..
* @param {String} [tile.container='fs'] tile container, with value `fs` (filesystem) or `zip` (compressed file).
* @param {String} [tile.layout='dz'] filesystem layout, possible values are `dz`, `zoomify` or `google`.
* @returns {Sharp}
@@ -361,6 +362,15 @@ function tile (tile) {
throw new Error('Invalid tile layout ' + tile.layout);
}
}
// Angle of rotation,
if (is.defined(tile.angle)) {
if (is.integer(tile.angle) && !(tile.angle % 90)) {
this.options.tileAngle = tile.angle;
} else {
throw new Error('Unsupported angle: angle must be a positive/negative multiple of 90 ' + tile.angle);
}
}
}
// Format
if (is.inArray(this.options.formatOut, ['jpeg', 'png', 'webp'])) {
@@ -368,6 +378,7 @@ function tile (tile) {
} else if (this.options.formatOut !== 'input') {
throw new Error('Invalid tile format ' + this.options.formatOut);
}
return this._updateFormatOut('dz');
}