Klearchos,
I cannot reproduce what you get with the provided snippet: too small.
What FOP version do you use?
Le 23/01/2012 10:55, Klearchos Klearchou a écrit :
> Hi Pascal,
>
> I copied some of the FO.
> In case you want to see more please let me know.
> This FO text is relevant to the image that renders bad (not scaled)
>
> ....
> <fo:block start-indent="10px" font-size="8px" font-family="arial"/>
> <fo:table width="100%" table-layout="fixed">
> <fo:table-column column-width="proportional-column-width(1)"/>
> <fo:table-body>
> <fo:table-row keep-with-next="always">
> <fo:table-cell>
> <fo:block>
> <fo:external-graphic content-height="scale-to-fit"
> block-progression-dimension.maximum="90mm" content-width="scale-to-fit"
> inline-progression-dimension.maximum="90mm" border="solid 3px #8CE18D"
> src="c:/tempUnzip\images\image_21952"/>
> </fo:block>
> <fo:block space-before="3mm"/>
> </fo:table-cell>
> </fo:table-row>
> ...
>
> So in case I haven't described well enough the problem I will try again:
> There is a rectangle image (300 * 300) that overflows out of the max area.
> If I change the size of the same image to 310 * 300 or 300 * 310, then
> the image renders ok.
>
> Please let me know if you need more info.
> Thank you.
>
>
> On 23/1/2012 11:08 AM, Pascal Sancho wrote:
>> Hi,
>>
>> can you provide a short XSL-FO (not XSLT) with equivalent images that
>> reproduce what you describe here, I cannot figure what you say.
>>
>> Le 20/01/2012 16:29, Klearchos Klearchou a écrit :
>>> Hello Pascal,
>>>
>>> the solution that we talked about works well almost in all cases.
>>> Here is the code:
>>> <fo:external-graphic src="{$imageLink}" border="solid 3px #8CE18D"
>>>
>>> inline-progression-dimension.maximum="{$imageMaxBoundary}"
>>> content-width="scale-to-fit"
>>>
>>> block-progression-dimension.maximum="{$imageMaxBoundary}"
>>> content-height="scale-to-fit"
>>> />
>>>
>>> Now when the image is rectangle the scale does not work.
>>> I am attaching an image, on the left hand side the image is 310 x 300
>>> and FOP scales it well.
>>> On the right hand side is the same image but 300 x 300. As you can see
>>> FOP fails to scale it.
>>> It overflows out of the box.
>>>
>>> Do you have any idea what it could be?
>>>
>>> Thank you in advance
>>>
>>>
>>> On 1/17/2012 5:47 PM, Pascal Sancho wrote:
>>>> We use imageMagik
>>>>
>>>> Le 17/01/2012 15:32, Klearchos Klearchou a écrit :
>>>>> Pascal,
>>>>>
>>>>> the information that you provide are valuable.
>>>>> Can you propose any open source library in order to manipulate the
>>>>> quality/resolution of the image?
>>>>> I tried the imgscalr, getScaledInstance(), Thumbnailator and some more
>>>>> but they do not provide em exactly what I want.
>>>>> I haven't tried yet JMajick.
>>>>>
>>>>> Thanks again.
>>>>>
>>>>>
>>>>> On 1/17/2012 4:18 PM, Pascal Sancho wrote:
>>>>>> Quality loss may depend on PDF viewer settings and capabilities
>>>>>> (anti-aliasing, zoom factor, etc.)
>>>>>> Also, the result can seem better if you first resample your image before
>>>>>> using in PDF, to get the best fit on screen reading, but can become
>>>>>> worse on printing.
>>>>>>
>>>>>> Depending on what usages your PDF are for (reading on screen, Laser
>>>>>> printing, Offset printing, low weight downloading, etc.)
>>>>>> There is no perfect solution there.
>>>>>>
>>>>>> For example, we (my compagny) produce images with different
>>>>>> quality/resolution for identified purposes, and generate as many PDF
>>>>>> files.
>>>>>>
>>>>>> The only constant over various resampled images is the real size:
>>>>>> for instance, a square image (1"x1") will give:
>>>>>> 96x96, rez 1/96" for screen reading;
>>>>>> 300x300, rez 1/300" for Laser printing;
>>>>>> 120x120, rez 1/120" for Dowload _and_print;
>>>>>> etc.
>>>>>>
>>>>>> Le 17/01/2012 14:48, Klearchos Klearchou a écrit :
>>>>>>> Hi Pascal,
>>>>>>>
>>>>>>> yes indeed this was one of my problems.
>>>>>>> I will test it to see the results.
>>>>>>>
>>>>>>> In case I will still have to manipulate the image outside of the FOP do
>>>>>>> you have any solution to propose regarding:
>>>>>>> How to change the print size of the image (like gimp) in order not to
>>>>>>> loose image quality and at the same time to show it smaller inside the
>>>>>>> PDF.
>>>>>>>
>>>>>>> Thank you.
>>>>>>>
>>>>>>> On 17/1/2012 3:42 PM, Pascal Sancho wrote:
>>>>>>>> Hi,
>>>>>>>>
>>>>>>>> I guess that by "the result is problematic with very tall images" you
>>>>>>>> mean that image can overflow the page when h/w ratio is too high.
>>>>>>>>
>>>>>>>> If this is the case, you can use "max-height" XSL-FO equivalent:
>>>>>>>>
>>>>>>>> <fo:external-graphic src="{$imageUrl}"
>>>>>>>> block-progression-dimension.optimum="$my_minimal_height"
>>>>>>>> block-progression-dimension.maximum="$my_maximal_height"
>>>>>>>> content-height="scale-to-fit"/>
>>>>>>>>
>>>>>>>> Le 17/01/2012 12:17, Klearchos Klearchou a écrit :
>>>>>>>>> Dear FOP users,
>>>>>>>>>
>>>>>>>>> I want to change an image's print size in order to add it inside a
>>>>>>>>> PDF.
>>>>>>>>> I want to do this in order not to loose any quality.
>>>>>>>>> The image must look smaller inside the PDF but the quality should be
>>>>>>>>> the
>>>>>>>>> same with the original image.
>>>>>>>>>
>>>>>>>>> I know that I could do something like this in my XSLT
>>>>>>>>> (content-width="scale-to-fit"):
>>>>>>>>>
>>>>>>>>> <fo:external-graphic src="url('{$imageLink}')"
>>>>>>>>> content-width="scale-to-fit" border="solid 0.1pt" width="90mm" />
>>>>>>>>> <fo:block space-before="{$space}"/>
>>>>>>>>> (<xsl:value-of
>>>>>>>>> select="$title"/>)
>>>>>>>>> <fo:block/>
>>>>>>>>> <xsl:value-of select="$description"/>
>>>>>>>>> </fo:block>
>>>>>>>>>
>>>>>>>>> but the result is problematic with very tall images.
>>>>>>>>>
>>>>>>>>> Thus I thought that I should manipulate the image before passing it
>>>>>>>>> to FOP.
>>>>>>>>> I used GIMP and I saw that if I change the print size of the image FOP
>>>>>>>>> uses this size and the quality of the image is very good.
>>>>>>>>>
>>>>>>>>> Anybody knows how to solve this problem?
>>>>>>>>>
>>>>>>>>> Thank you in advance.
>
--
Pascal
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