diff --git a/js/sharp/.gitignore b/js/sharp/.gitignore new file mode 100644 index 0000000..2e41564 --- /dev/null +++ b/js/sharp/.gitignore @@ -0,0 +1,2 @@ +/in/ +/out/ diff --git a/js/sharp/clahe.js b/js/sharp/clahe.js new file mode 100644 index 0000000..443a770 --- /dev/null +++ b/js/sharp/clahe.js @@ -0,0 +1,11 @@ +'use strict'; + +const sharp = require('sharp'); + +sharp('in/marmot.jpg') + .clahe({ width: 1000, height: 1000 }) + .toFile('out/clahe-marmot.jpg'); + +sharp('in/ducks.jpg') + .clahe({ width: 1000, height: 1000 }) + .toFile('out/clahe-ducks.jpg'); diff --git a/js/sharp/flatten.js b/js/sharp/flatten.js new file mode 100644 index 0000000..c2dcceb --- /dev/null +++ b/js/sharp/flatten.js @@ -0,0 +1,11 @@ +'use strict'; + +const sharp = require('sharp'); + +sharp('in/marmot.jpg') + .flatten({ background: '#000000' }) + .toFile('out/flattened-marmot.jpg'); + +sharp('in/ducks.jpg') + .flatten({ background: '#0000AA' }) + .toFile('out/flattened-ducks.jpg'); diff --git a/js/sharp/greyscale.js b/js/sharp/greyscale.js new file mode 100644 index 0000000..4e491fc --- /dev/null +++ b/js/sharp/greyscale.js @@ -0,0 +1,6 @@ +'use strict'; + +const sharp = require('sharp'); + +sharp('in/marmot.jpg').greyscale().toFile('out/greyscale-marmot.jpg'); +sharp('in/ducks.jpg').greyscale().toFile('out/greyscale-ducks.jpg'); diff --git a/js/sharp/negate.js b/js/sharp/negate.js new file mode 100644 index 0000000..9c65921 --- /dev/null +++ b/js/sharp/negate.js @@ -0,0 +1,13 @@ +'use strict'; + +const sharp = require('sharp'); + +sharp('in/marmot.jpg').negate().toFile('out/negated-marmot.jpg'); +sharp('in/marmot.jpg') + .negate({ alpha: false }) + .toFile('out/negated-marmot-no-alpha.jpg'); + +sharp('in/ducks.jpg').negate().toFile('out/negated-ducks.jpg'); +sharp('in/ducks.jpg') + .negate({ alpha: false }) + .toFile('out/negated-ducks-no-alpha.jpg'); diff --git a/js/sharp/package-lock.json b/js/sharp/package-lock.json new file mode 100644 index 0000000..29b0f8f --- 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+sharp('in/ducks.jpg').removeAlpha().toFile('out/no-alpha-ducks.jpg'); diff --git a/js/sharp/tint.js b/js/sharp/tint.js new file mode 100644 index 0000000..4f06eee --- /dev/null +++ b/js/sharp/tint.js @@ -0,0 +1,6 @@ +'use strict'; + +const sharp = require('sharp'); + +sharp('in/marmot.jpg').tint('#ff5500').toFile('out/coloured-marmot.jpg'); +sharp('in/ducks.jpg').tint('#6666ff').toFile('out/coloured-ducks.jpg');