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Posted to dev@pdfbox.apache.org by GitBox <gi...@apache.org> on 2021/07/12 20:08:27 UTC

[GitHub] [pdfbox] andreieichler commented on pull request #125: Include BGR image type

andreieichler commented on pull request #125:
URL: https://github.com/apache/pdfbox/pull/125#issuecomment-878556987


   Attached here are the samples that I used to test this change.
   
   Both images rendered by `pdfRenderer.renderImage` looks the same on any viewer, however only the generated with `ImageType.BGR` have its colors loaded correctly on JavaCV/OpenCV libraries
   
   `pdfRenderer.renderImage` with `ImageType.RGB`
   ![render_image_rgb](https://user-images.githubusercontent.com/2250599/125348091-2b582900-e332-11eb-9a44-a0598ae6149a.png)
   
   `Java2DFrameUtils.toMat` of `ImageType.RGB`
   ![Java2DFrameUtils_toMat_rgb](https://user-images.githubusercontent.com/2250599/125348112-31e6a080-e332-11eb-9ec4-880e5919b627.png)
   
   `pdfRenderer.renderImage` with `ImageType.BGR`
   ![render_image_bgr](https://user-images.githubusercontent.com/2250599/125348134-38751800-e332-11eb-9097-ecd856f79527.png)
   
   `Java2DFrameUtils.toMat` of `ImageType.BGR`
   ![Java2DFrameUtils_toMat_bgr](https://user-images.githubusercontent.com/2250599/125348144-3c089f00-e332-11eb-9d62-2a185af56771.png)
   
   
   Original PDF
   [doe-to-20210323.pdf](https://github.com/apache/pdfbox/files/6804066/doe-to-20210323.pdf)
   


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