[api-minor] Remove the forceClamped-functionality in the Streams (issue 14849)
#14856
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…ssue 14849) As it turns out, most of the code-paths in the `PDFImage`-class won't actually pass the TypedArray (containing the image-data) to the `ColorSpace`-code. Hence we *generally* don't need to force the image-data to be a `Uint8ClampedArray`, and can just as well directly use a `Uint8Array` instead. In the following cases we're returning the data without any `ColorSpace`-parsing, and the exact TypedArray used shouldn't matter: - https://github.com/mozilla/pdf.js/blob/b72a4483276d65bef32cff269eb40923c1363f2d/src/core/image.js#L714 - https://github.com/mozilla/pdf.js/blob/b72a4483276d65bef32cff269eb40923c1363f2d/src/core/image.js#L751 In the following cases the image-data is only used *internally*, and again the exact TypedArray used shouldn't matter: - https://github.com/mozilla/pdf.js/blob/b72a4483276d65bef32cff269eb40923c1363f2d/src/core/image.js#L762 with the actual image-data being defined (as `Uint8ClampedArray`) further below - https://github.com/mozilla/pdf.js/blob/b72a4483276d65bef32cff269eb40923c1363f2d/src/core/image.js#L837 *Please note:* This is tagged `api-minor` because it's API-observable, given that *some* image/mask-data will now be returned as `Uint8Array` rather than using `Uint8ClampedArray` unconditionally. However, that seems like a small price to pay to (slightly) reduce memory usage during image-conversion.
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As it turns out, most of the code-paths in the
PDFImage-class won't actually pass the TypedArray (containing the image-data) to theColorSpace-code. Hence we generally don't need to force the image-data to be aUint8ClampedArray, and can just as well directly use aUint8Arrayinstead.In the following cases we're returning the data without any
ColorSpace-parsing, and the exact TypedArray used shouldn't matter:pdf.js/src/core/image.js
Line 714 in b72a448
pdf.js/src/core/image.js
Line 751 in b72a448
In the following cases the image-data is only used internally, and again the exact TypedArray used shouldn't matter:
pdf.js/src/core/image.js
Line 762 in b72a448
Uint8ClampedArray) further belowpdf.js/src/core/image.js
Line 837 in b72a448
Please note: This is tagged
api-minorbecause it's API-observable, given that some image/mask-data will now be returned asUint8Arrayrather than usingUint8ClampedArrayunconditionally. However, that seems like a small price to pay to (slightly) reduce memory usage during image-conversion.