Expose libvips pyramid/tile options for TIFF output (#1483)

This commit is contained in:
Michael B. Klein
2018-12-06 15:33:46 -06:00
committed by Lovell Fuller
parent fd1ca1dbb2
commit c695c40abc
6 changed files with 180 additions and 41 deletions

View File

@@ -304,6 +304,10 @@ function webp (options) {
* @param {Boolean} [options.force=true] - force TIFF output, otherwise attempt to use input format
* @param {Boolean} [options.compression='jpeg'] - compression options: lzw, deflate, jpeg, ccittfax4
* @param {Boolean} [options.predictor='horizontal'] - compression predictor options: none, horizontal, float
* @param {Boolean} [options.pyramid=false] - write an image pyramid
* @param {Boolean} [options.tile=false] - write a tiled tiff
* @param {Boolean} [options.tileWidth=256] - horizontal tile size
* @param {Boolean} [options.tileHeight=256] - vertical tile size
* @param {Number} [options.xres=1.0] - horizontal resolution in pixels/mm
* @param {Number} [options.yres=1.0] - vertical resolution in pixels/mm
* @param {Boolean} [options.squash=false] - squash 8-bit images down to 1 bit
@@ -311,51 +315,83 @@ function webp (options) {
* @throws {Error} Invalid options
*/
function tiff (options) {
if (is.object(options) && is.defined(options.quality)) {
if (is.integer(options.quality) && is.inRange(options.quality, 1, 100)) {
this.options.tiffQuality = options.quality;
} else {
throw new Error('Invalid quality (integer, 1-100) ' + options.quality);
if (is.object(options)) {
if (is.defined(options.quality)) {
if (is.integer(options.quality) && is.inRange(options.quality, 1, 100)) {
this.options.tiffQuality = options.quality;
} else {
throw new Error('Invalid quality (integer, 1-100) ' + options.quality);
}
}
}
if (is.object(options) && is.defined(options.squash)) {
if (is.bool(options.squash)) {
this.options.tiffSquash = options.squash;
} else {
throw new Error('Invalid Value for squash ' + options.squash + ' Only Boolean Values allowed for options.squash.');
if (is.defined(options.squash)) {
if (is.bool(options.squash)) {
this.options.tiffSquash = options.squash;
} else {
throw new Error('Invalid Value for squash ' + options.squash + ' Only Boolean Values allowed for options.squash.');
}
}
}
// resolution
if (is.object(options) && is.defined(options.xres)) {
if (is.number(options.xres)) {
this.options.tiffXres = options.xres;
} else {
throw new Error('Invalid Value for xres ' + options.xres + ' Only numeric values allowed for options.xres');
// tiling
if (is.defined(options.tile)) {
if (is.bool(options.tile)) {
this.options.tiffTile = options.tile;
} else {
throw new Error('Invalid Value for tile ' + options.tile + ' Only Boolean values allowed for options.tile');
}
}
}
if (is.object(options) && is.defined(options.yres)) {
if (is.number(options.yres)) {
this.options.tiffYres = options.yres;
} else {
throw new Error('Invalid Value for yres ' + options.yres + ' Only numeric values allowed for options.yres');
if (is.defined(options.tileWidth)) {
if (is.number(options.tileWidth) && options.tileWidth > 0) {
this.options.tiffTileWidth = options.tileWidth;
} else {
throw new Error('Invalid Value for tileWidth ' + options.tileWidth + ' Only positive numeric values allowed for options.tileWidth');
}
}
}
// compression
if (is.defined(options) && is.defined(options.compression)) {
if (is.string(options.compression) && is.inArray(options.compression, ['lzw', 'deflate', 'jpeg', 'ccittfax4', 'none'])) {
this.options.tiffCompression = options.compression;
} else {
const message = `Invalid compression option "${options.compression}". Should be one of: lzw, deflate, jpeg, ccittfax4, none`;
throw new Error(message);
if (is.defined(options.tileHeight)) {
if (is.number(options.tileHeight) && options.tileHeight > 0) {
this.options.tiffTileHeight = options.tileHeight;
} else {
throw new Error('Invalid Value for tileHeight ' + options.tileHeight + ' Only positive numeric values allowed for options.tileHeight');
}
}
}
// predictor
if (is.defined(options) && is.defined(options.predictor)) {
if (is.string(options.predictor) && is.inArray(options.predictor, ['none', 'horizontal', 'float'])) {
this.options.tiffPredictor = options.predictor;
} else {
const message = `Invalid predictor option "${options.predictor}". Should be one of: none, horizontal, float`;
throw new Error(message);
// pyramid
if (is.defined(options.pyramid)) {
if (is.bool(options.pyramid)) {
this.options.tiffPyramid = options.pyramid;
} else {
throw new Error('Invalid Value for pyramid ' + options.pyramid + ' Only Boolean values allowed for options.pyramid');
}
}
// resolution
if (is.defined(options.xres)) {
if (is.number(options.xres)) {
this.options.tiffXres = options.xres;
} else {
throw new Error('Invalid Value for xres ' + options.xres + ' Only numeric values allowed for options.xres');
}
}
if (is.defined(options.yres)) {
if (is.number(options.yres)) {
this.options.tiffYres = options.yres;
} else {
throw new Error('Invalid Value for yres ' + options.yres + ' Only numeric values allowed for options.yres');
}
}
// compression
if (is.defined(options.compression)) {
if (is.string(options.compression) && is.inArray(options.compression, ['lzw', 'deflate', 'jpeg', 'ccittfax4', 'none'])) {
this.options.tiffCompression = options.compression;
} else {
const message = `Invalid compression option "${options.compression}". Should be one of: lzw, deflate, jpeg, ccittfax4, none`;
throw new Error(message);
}
}
// predictor
if (is.defined(options.predictor)) {
if (is.string(options.predictor) && is.inArray(options.predictor, ['none', 'horizontal', 'float'])) {
this.options.tiffPredictor = options.predictor;
} else {
const message = `Invalid predictor option "${options.predictor}". Should be one of: none, horizontal, float`;
throw new Error(message);
}
}
}
return this._updateFormatOut('tiff', options);