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Add PDF_TO_CSS_UNITS
to the PixelsPerInch
-structure
Rather than re-computing this value in a number of different places throughout the code-base[1], we can expose this in the API via the existing `PixelsPerInch`-structure instead. There's also been feature requests asking for the old `CSS_UNITS` viewer constant to be made accessible, such that it could be used in third-party implementations. I suppose that it could be argued that it's somewhat confusing to place a unitless property in `PixelsPerInch`, however given that the `PDF_TO_CSS_UNITS`-property is defined strictly in terms of the existing properties this is hopefully deemed reasonable. --- [1] These include: - The viewer, with the `CSS_UNITS` name. - The reference-tests. - The display-layer, when rendering images; see PR 13991.
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7 changed files with 38 additions and 22 deletions
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@ -13,9 +13,6 @@
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* limitations under the License.
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*/
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import { PixelsPerInch } from "pdfjs-lib";
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const CSS_UNITS = PixelsPerInch.CSS / PixelsPerInch.PDF;
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const DEFAULT_SCALE_VALUE = "auto";
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const DEFAULT_SCALE = 1.0;
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const DEFAULT_SCALE_DELTA = 1.1;
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@ -1004,7 +1001,6 @@ export {
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AutoPrintRegExp,
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backtrackBeforeAllVisibleElements, // only exported for testing
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binarySearchFirstItem,
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CSS_UNITS,
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DEFAULT_SCALE,
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DEFAULT_SCALE_DELTA,
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DEFAULT_SCALE_VALUE,
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