Add default languages to OCR, fix compression for QPDF and embedded images (#3202)

# Description of Changes

This pull request includes several changes to the codebase, focusing on
enhancing OCR support, improving endpoint management, and adding new
functionality for PDF compression. The most important changes are
detailed below.

### Enhancements to OCR support:

* `Dockerfile` and `Dockerfile.fat`: Added support for multiple new OCR
languages including Chinese (Simplified), German, French, and
Portuguese. (Our top 5 languages including English)
[[1]](diffhunk://#diff-dd2c0eb6ea5cfc6c4bd4eac30934e2d5746747af48fef6da689e85b752f39557R69-R72)
[[2]](diffhunk://#diff-571631582b988e88c52c86960cc083b0b8fa63cf88f056f26e9e684195221c27L78-R81)

### Improvements to endpoint management:

*
[`src/main/java/stirling/software/SPDF/config/EndpointConfiguration.java`](diffhunk://#diff-750f31f6ecbd64b025567108a33775cad339e835a04360affff82a09410b697dR51-R66):
Added a new method `isGroupEnabled` to check if a group of endpoints is
enabled.
*
[`src/main/java/stirling/software/SPDF/config/EndpointConfiguration.java`](diffhunk://#diff-750f31f6ecbd64b025567108a33775cad339e835a04360affff82a09410b697dL179-L193):
Updated endpoint groups and removed redundant qpdf endpoints.
[[1]](diffhunk://#diff-750f31f6ecbd64b025567108a33775cad339e835a04360affff82a09410b697dL179-L193)
[[2]](diffhunk://#diff-750f31f6ecbd64b025567108a33775cad339e835a04360affff82a09410b697dL243-L244)
*
[`src/main/java/stirling/software/SPDF/config/EndpointInspector.java`](diffhunk://#diff-845de13e140bb1264014539714860f044405274ad2a9481f38befdd1c1333818R1-R291):
Introduced a new `EndpointInspector` class to discover and validate GET
endpoints dynamically.

### New functionality for PDF compression:

*
[`src/main/java/stirling/software/SPDF/controller/api/misc/CompressController.java`](diffhunk://#diff-c307589e9f958f2593c9567c5ad9d63cd03788aa4803b3017b1c13b0d0485805R10):
Enhanced the `CompressController` to handle nested images within form
XObjects, improving the accuracy of image compression in PDFs.
Remove Compresses Dependency on QPDF
[[1]](diffhunk://#diff-c307589e9f958f2593c9567c5ad9d63cd03788aa4803b3017b1c13b0d0485805R10)
[[2]](diffhunk://#diff-c307589e9f958f2593c9567c5ad9d63cd03788aa4803b3017b1c13b0d0485805R28-R44)
[[3]](diffhunk://#diff-c307589e9f958f2593c9567c5ad9d63cd03788aa4803b3017b1c13b0d0485805L49-R61)
[[4]](diffhunk://#diff-c307589e9f958f2593c9567c5ad9d63cd03788aa4803b3017b1c13b0d0485805R77-R99)
[[5]](diff
hunk://#diff-c307589e9f958f2593c9567c5ad9d63cd03788aa4803b3017b1c13b0d0485805L92-R191)
Closes #(issue_number)

---

## Checklist

### General

- [ ] I have read the [Contribution
Guidelines](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/CONTRIBUTING.md)
- [ ] I have read the [Stirling-PDF Developer
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/DeveloperGuide.md)
(if applicable)
- [ ] I have read the [How to add new languages to
Stirling-PDF](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/HowToAddNewLanguage.md)
(if applicable)
- [ ] I have performed a self-review of my own code
- [ ] My changes generate no new warnings

### Documentation

- [ ] I have updated relevant docs on [Stirling-PDF's doc
repo](https://github.com/Stirling-Tools/Stirling-Tools.github.io/blob/main/docs/)
(if functionality has heavily changed)
- [ ] I have read the section [Add New Translation
Tags](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/HowToAddNewLanguage.md#add-new-translation-tags)
(for new translation tags only)

### UI Changes (if applicable)

- [ ] Screenshots or videos demonstrating the UI changes are attached
(e.g., as comments or direct attachments in the PR)

### Testing (if applicable)

- [ ] I have tested my changes locally. Refer to the [Testing
Guide](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/DeveloperGuide.md#6-testing)
for more details.

---------

Co-authored-by: a <a>
This commit is contained in:
Anthony Stirling
2025-03-20 09:39:57 +00:00
committed by GitHub
parent 748ac494e6
commit d8cca66560
15 changed files with 840 additions and 321 deletions

View File

@@ -14,7 +14,7 @@ public class OptimizePdfRequest extends PDFFile {
@Schema(
description =
"The level of optimization to apply to the PDF file. Higher values indicate greater compression but may reduce quality.",
allowableValues = {"1", "2", "3", "4", "5"})
allowableValues = {"1", "2", "3", "4", "5", "6", "7", "8", "9"})
private Integer optimizeLevel;
@Schema(description = "The expected output size, e.g. '100MB', '25KB', etc.")