Add ignoreIcc input option to ignore embedded ICC profile

docs/changelog.md

@@ -18,6 +18,8 @@ Requires libvips v8.14.0
 
 * Prefer integer (un)premultiply for faster resizing of RGBA images.
 
+* Add `ignoreIcc` input option to ignore embedded ICC profile.
+
 * Allow use of GPS (IFD3) EXIF metadata.
   [#2767](https://github.com/lovell/sharp/issues/2767)
 

lib/constructor.js

@@ -126,6 +126,7 @@ const debuglog = util.debuglog('sharp');
  * @param {boolean} [options.unlimited=false] - Set this to `true` to remove safety features that help prevent memory exhaustion (JPEG, PNG, SVG, HEIF).
  * @param {boolean} [options.sequentialRead=true] - Set this to `false` to use random access rather than sequential read. Some operations will do this automatically.
  * @param {number} [options.density=72] - number representing the DPI for vector images in the range 1 to 100000.
+ * @param {number} [options.ignoreIcc=false] - should the embedded ICC profile, if any, be ignored.
  * @param {number} [options.pages=1] - number of pages to extract for multi-page input (GIF, WebP, AVIF, TIFF, PDF), use -1 for all pages.
  * @param {number} [options.page=0] - page number to start extracting from for multi-page input (GIF, WebP, AVIF, TIFF, PDF), zero based.
  * @param {number} [options.subifd=-1] - subIFD (Sub Image File Directory) to extract for OME-TIFF, defaults to main image.

lib/index.d.ts

@@ -814,6 +814,8 @@ declare namespace sharp {
         sequentialRead?: boolean | undefined;
         /** Number representing the DPI for vector images in the range 1 to 100000. (optional, default 72) */
         density?: number | undefined;
+        /** Should the embedded ICC profile, if any, be ignored. */
+        ignoreIcc?: boolean | undefined;
         /** Number of pages to extract for multi-page input (GIF, TIFF, PDF), use -1 for all pages */
         pages?: number | undefined;
         /** Page number to start extracting from for multi-page input (GIF, TIFF, PDF), zero based. (optional, default 0) */

lib/input.js

@@ -21,9 +21,9 @@ const align = {
  * @private
  */
 function _inputOptionsFromObject (obj) {
-  const { raw, density, limitInputPixels, unlimited, sequentialRead, failOn, failOnError, animated, page, pages, subifd } = obj;
+  const { raw, density, limitInputPixels, ignoreIcc, unlimited, sequentialRead, failOn, failOnError, animated, page, pages, subifd } = obj;
-  return [raw, density, limitInputPixels, unlimited, sequentialRead, failOn, failOnError, animated, page, pages, subifd].some(is.defined)
+  return [raw, density, limitInputPixels, ignoreIcc, unlimited, sequentialRead, failOn, failOnError, animated, page, pages, subifd].some(is.defined)
-    ? { raw, density, limitInputPixels, unlimited, sequentialRead, failOn, failOnError, animated, page, pages, subifd }
+    ? { raw, density, limitInputPixels, ignoreIcc, unlimited, sequentialRead, failOn, failOnError, animated, page, pages, subifd }
     : undefined;
 }
 
@@ -35,6 +35,7 @@ function _createInputDescriptor (input, inputOptions, containerOptions) {
   const inputDescriptor = {
     failOn: 'warning',
     limitInputPixels: Math.pow(0x3FFF, 2),
+    ignoreIcc: false,
     unlimited: false,
     sequentialRead: true
   };
@@ -97,6 +98,14 @@ function _createInputDescriptor (input, inputOptions, containerOptions) {
         throw is.invalidParameterError('density', 'number between 1 and 100000', inputOptions.density);
       }
     }
+    // Ignore embeddded ICC profile
+    if (is.defined(inputOptions.ignoreIcc)) {
+      if (is.bool(inputOptions.ignoreIcc)) {
+        inputDescriptor.ignoreIcc = inputOptions.ignoreIcc;
+      } else {
+        throw is.invalidParameterError('ignoreIcc', 'boolean', inputOptions.ignoreIcc);
+      }
+    }
     // limitInputPixels
     if (is.defined(inputOptions.limitInputPixels)) {
       if (is.bool(inputOptions.limitInputPixels)) {

src/common.cc

@@ -103,6 +103,10 @@ namespace sharp {
     if (HasAttr(input, "density")) {
       descriptor->density = AttrAsDouble(input, "density");
     }
+    // Should we ignore any embedded ICC profile
+    if (HasAttr(input, "ignoreIcc")) {
+      descriptor->ignoreIcc = AttrAsBool(input, "ignoreIcc");
+    }
     // Raw pixel input
     if (HasAttr(input, "rawChannels")) {
       descriptor->rawDepth = AttrAsEnum<VipsBandFormat>(input, "rawDepth", VIPS_TYPE_BAND_FORMAT);

src/common.h

@@ -55,6 +55,7 @@ namespace sharp {
     size_t bufferLength;
     bool isBuffer;
     double density;
+    bool ignoreIcc;
     VipsBandFormat rawDepth;
     int rawChannels;
     int rawWidth;
@@ -93,6 +94,7 @@ namespace sharp {
       bufferLength(0),
       isBuffer(FALSE),
       density(72.0),
+      ignoreIcc(FALSE),
       rawDepth(VIPS_FORMAT_UCHAR),
       rawChannels(0),
       rawWidth(0),

src/pipeline.cc

@@ -320,7 +320,8 @@ class PipelineWorker : public Napi::AsyncWorker {
       if (
         sharp::HasProfile(image) &&
         image.interpretation() != VIPS_INTERPRETATION_LABS &&
-        image.interpretation() != VIPS_INTERPRETATION_GREY16
+        image.interpretation() != VIPS_INTERPRETATION_GREY16 &&
+        !baton->input->ignoreIcc
       ) {
         // Convert to sRGB/P3 using embedded profile
         try {
@@ -329,7 +330,7 @@ class PipelineWorker : public Napi::AsyncWorker {
             ->set("depth", image.interpretation() == VIPS_INTERPRETATION_RGB16 ? 16 : 8)
             ->set("intent", VIPS_INTENT_PERCEPTUAL));
         } catch(...) {
-          // Ignore failure of embedded profile
+          sharp::VipsWarningCallback(nullptr, G_LOG_LEVEL_WARNING, "Invalid embedded profile", nullptr);
         }
       } else if (image.interpretation() == VIPS_INTERPRETATION_CMYK) {
         image = image.icc_transform(processingProfile, VImage::option()

test/unit/io.js

@@ -652,6 +652,7 @@ describe('Input/output', function () {
   it('toFormat=JPEG takes precedence over WebP extension', function (done) {
     const outputWebP = fixtures.path('output.webp');
     sharp(fixtures.inputPng)
+      .resize(8)
       .jpeg()
       .toFile(outputWebP, function (err, info) {
         if (err) throw err;
@@ -662,6 +663,7 @@ describe('Input/output', function () {
 
   it('toFormat=WebP takes precedence over JPEG extension', function (done) {
     sharp(fixtures.inputPng)
+      .resize(8)
       .webp()
       .toFile(outputJpg, function (err, info) {
         if (err) throw err;
@@ -697,6 +699,27 @@ describe('Input/output', function () {
       });
   });
 
+  it('can ignore ICC profile', async () => {
+    const [r1, g1, b1] = await sharp(fixtures.inputJpgWithPortraitExif5, { ignoreIcc: true })
+      .extract({ width: 1, height: 1, top: 16, left: 16 })
+      .raw()
+      .toBuffer();
+
+    const [r2, g2, b2] = await sharp(fixtures.inputJpgWithPortraitExif5, { ignoreIcc: false })
+      .extract({ width: 1, height: 1, top: 16, left: 16 })
+      .raw()
+      .toBuffer();
+
+    assert.deepStrictEqual({ r1, g1, b1, r2, g2, b2 }, {
+      r1: 60,
+      r2: 77,
+      g1: 54,
+      g2: 69,
+      b1: 20,
+      b2: 25
+    });
+  });
+
   describe('Switch off safety limits for certain formats', () => {
     it('Valid', () => {
       assert.doesNotThrow(() => {
@@ -816,6 +839,11 @@ describe('Input/output', function () {
         sharp({ density: 'zoinks' });
       }, /Expected number between 1 and 100000 for density but received zoinks of type string/);
     });
+    it('Invalid ignoreIcc: string', function () {
+      assert.throws(function () {
+        sharp({ ignoreIcc: 'zoinks' });
+      }, /Expected boolean for ignoreIcc but received zoinks of type string/);
+    });
     it('Setting animated property updates pages property', function () {
       assert.strictEqual(sharp({ animated: false }).options.input.pages, 1);
       assert.strictEqual(sharp({ animated: true }).options.input.pages, -1);