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Re: Vector graphics in Flying Saucer / ERPDFWrapper
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Re: Vector graphics in Flying Saucer / ERPDFWrapper

  • Subject: Re: Vector graphics in Flying Saucer / ERPDFWrapper
  • From: Ricardo Parada <email@hidden>
  • Date: Wed, 02 Dec 2015 08:58:38 -0500
Thank you Timo, that is very helpful. 

Sent from my iPhone

On Dec 2, 2015, at 3:30 AM, Timo Hoepfner <email@hidden> wrote:

Hi Ricardo,

the 0.9.8 version needs Java 6, for Java 5 you can use 0.9.7. That version also contains the fix that enables using PDFs. I had to revert to that version on an old XServe that only supports Java 5.

Here’s a handy script that checks the Java class version of files in a jar:
https://github.com/beardedN5rd/java-helper/blob/master/scripts/checkJavaVersion.sh

mbp:Downloads th$ checkJavaVersion.sh flying-saucer-core-9.0.8.jar 
flying-saucer-core-9.0.8.jar
Found 0 Java 1.1 files
Found 0 Java 1.2 files
Found 0 Java 1.3 files
Found 0 Java 1.4 files
Found 0 Java 5 files
Found 581 Java 6 files
Found 0 Java 7 files
Found 0 Java 8 files

mbp:Downloads th$ checkJavaVersion.sh flying-saucer-core-9.0.7.jar 
flying-saucer-core-9.0.7.jar
Found 0 Java 1.1 files
Found 0 Java 1.2 files
Found 0 Java 1.3 files
Found 573 Java 1.4 files
Found 0 Java 5 files
Found 0 Java 6 files
Found 0 Java 7 files
Found 0 Java 8 files

Timo

Am 01.12.2015 um 19:41 schrieb Ricardo Parada <email@hidden>:

Thank you Johann, that should get me going.  The MANIFEST in the jar files says that they were built with java 1.7.0_79.  I am going to try to find out if they are compatible with java 5, but based on the manifest it would be safer to keep this only in master as it may require > java 5.

Thanks


On Nov 30, 2015, at 4:30 PM, Johann Werner <email@hidden> wrote:

Hi Ricardo,

you should create a branch off from the official master branch and make your changes on that one. How to do that depends on the way you interact with git (e.g. git command line, Tower, SourceTree, …).

Then you can create your pull request against the master branch. If the flying saucer jars are compatible with Java 5 it will be possible to cherry pick your changes into wonder_6 afterwards otherwise it will be Wonder 7 only. Do not use the wonder_7 branch as it points to an old state of master. I think that branch should go away soon to not confuse users. Master is the current Wonder 7.

For more info you can check the corresponding wiki page: https://github.com/wocommunity/wonder/wiki/Creating-and-submitting-an-acceptable-patch

jw


Am 30.11.2015 um 19:40 schrieb Ricardo Parada <email@hidden>:

Hi all,

I was trying to create a pull request to remove core-rederer-20101006.jar from ERPDFGeneration and add flying-saucer-core-9.0.8.jar and flying-saucer-pdf-9.0.8.jar.

However the fork I have of wonder on my github account is really old and I’m confused how to go about doing this.  I’m not even sure what branch to put it on.  My fork of wonder only has master, integration, and Wonder_5_0_0_Legacy.  I was expecting to see master, wonder_5, wonder_6 and wonder_7.

Is there any documentation on how to go about submitting a pull request for wonder?

Thanks
Ricardo



On Nov 18, 2015, at 4:28 PM, Ricardo Parada <email@hidden> wrote:

Thank you Timo and Samuel for your responses.

The easiest for me was to just update the flying saucer library to 9.0.8 as Timo suggested. I can now use the .pdf logo with vector graphics. The logo now looks beautiful on the Retina display.



On Nov 17, 2015, at 3:33 PM, Timo Hoepfner <email@hidden> wrote:

Hi Ricardo,

not at my work machine currently, but I came across a similar problem recently. In my case I tried to use a PDF as background image and got the same error. Updating flying saucer to a more recent version solved the issue for me. The jars I’m currently using are flying-saucer-core-9.0.8.jar and flying-saucer-pdf-9.0.8.jar. I think they replace the core-renderer-20101006.jar in ERPDFGeneration. The commit you’re after is probably this one:

https://github.com/flyingsaucerproject/flyingsaucer/commit/26bf700857252ac04ecadd98dc0f8a2209e3c7f8

HTH,

Timo


Am 17.11.2015 um 18:01 schrieb Ricardo Parada <email@hidden>:

Hi all,

We use ERPDFWrapper to generate PDF from a WOComponent.  It comes out beautiful.

One of our components includes a logo using the <img> html tag and the logo is usually a .gif or .jpg.  However, I would like to use vector graphics.  We took a .eps file and converted it to .pdf in Photoshop.  The resulting image scales beautifully to any size.  When I try to use the .pdf I get java.lang.ClassCastException: org.xhtmlrenderer.pdf.PDFAsImage cannot be cast to org.xhtmlrenderer.pdf.ITextFSImage.

Has anybody been able to use vector graphics in ERPDFWrapper?

Thanks

The stack trace is below:

java.lang.ClassCastException: org.xhtmlrenderer.pdf.PDFAsImage cannot be cast to org.xhtmlrenderer.pdf.ITextFSImage
              at org.xhtmlrenderer.pdf.ITextUserAgent.getImageResource(ITextUserAgent.java:97)
              at org.xhtmlrenderer.pdf.ITextReplacedElementFactory.createReplacedElement(ITextReplacedElementFactory.java:57)
              at er.pdf.builder.ERPDFReplacedElementFactory.createReplacedElement(ERPDFReplacedElementFactory.java:50)
              at org.xhtmlrenderer.render.BlockBox.calcMinMaxWidth(BlockBox.java:1439)
              at org.xhtmlrenderer.render.BlockBox.calcMinMaxWidthInlineChildren(BlockBox.java:1584)
              at org.xhtmlrenderer.render.BlockBox.calcMinMaxWidth(BlockBox.java:1481)
              at org.xhtmlrenderer.newtable.TableBox$AutoTableLayout.recalcColumn(TableBox.java:1240)
              at org.xhtmlrenderer.newtable.TableBox$AutoTableLayout.fullRecalc(TableBox.java:1214)
              at org.xhtmlrenderer.newtable.TableBox$AutoTableLayout.calcMinMaxWidth(TableBox.java:1509)
              at org.xhtmlrenderer.newtable.TableBox.calcMinMaxWidth(TableBox.java:158)
              at org.xhtmlrenderer.newtable.TableBox.layout(TableBox.java:221)
              at org.xhtmlrenderer.layout.BlockBoxing.layoutBlockChild0(BlockBoxing.java:321)
              at org.xhtmlrenderer.layout.BlockBoxing.layoutBlockChild(BlockBoxing.java:299)
              at org.xhtmlrenderer.layout.BlockBoxing.layoutContent(BlockBoxing.java:90)
              at org.xhtmlrenderer.render.BlockBox.layoutChildren(BlockBox.java:926)
              at org.xhtmlrenderer.render.BlockBox.layout(BlockBox.java:806)
              at org.xhtmlrenderer.render.BlockBox.layout(BlockBox.java:735)
              at org.xhtmlrenderer.layout.BlockBoxing.layoutBlockChild0(BlockBoxing.java:321)
              at org.xhtmlrenderer.layout.BlockBoxing.layoutBlockChild(BlockBoxing.java:299)
              at org.xhtmlrenderer.layout.BlockBoxing.layoutContent(BlockBoxing.java:90)
              at org.xhtmlrenderer.render.BlockBox.layoutChildren(BlockBox.java:926)
              at org.xhtmlrenderer.render.BlockBox.layout(BlockBox.java:806)
              at org.xhtmlrenderer.render.BlockBox.layout(BlockBox.java:735)
              at org.xhtmlrenderer.pdf.ITextRenderer.layout(ITextRenderer.java:216)
              at er.pdf.builder.FlyingSaucerImpl.setSource(FlyingSaucerImpl.java:99)
              at er.pdf.ERPDFUtilities.htmlAsPdf(ERPDFUtilities.java:123)
              at er.pdf.ERPDFWrapper.responseAsPdf(ERPDFWrapper.java:75)
              at er.pdf.ERPDFWrapper.appendToResponse(ERPDFWrapper.java:60)
              at com.webobjects.appserver.WOComponent.appendToResponse(WOComponent.java:1122)
              at er.extensions.components.ERXComponent.appendToResponse(ERXComponent.java:117)
              at er.extensions.components.ERXNonSynchronizingComponent.appendToResponse(ERXNonSynchronizingComponent.java:73)
              at com.mpv.webcomponents.MPVWOComponent.appendToResponse(MPVWOComponent.java:67)
              at com.webobjects.appserver.WOSession.appendToResponse(WOSession.java:1385)
              at er.extensions.appserver.ERXSession.appendToResponse(ERXSession.java:552)
...

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