>If the PDF file contains a JPEG image that was encoded at 200dpi
>(say),
>and you open the PDF in GIMP at 300dpi, GIMP will use a library to
>render the PDF to a bitmap image at 300dpi, so that library will take
>the 200dpi embedded image, render it to a bitmap, and then enlarge it
>(artifacts of
On Tue, 2019-09-24 at 18:25 +, dep wrote:
> said Liam R E Quin:
>
> > To be clear, don't open the PDF in GIMP, as this will re-sample the
> > image.
>
> Could you elaborate a bit here? Specifically, the harm you see coming
> from this?
If the PDF file contains a JPEG image that was encoded
said Liam R E Quin:
| To be clear, don't open the PDF in GIMP, as this will re-sample the
| image.
Could you elaborate a bit here? Specifically, the harm you see coming from
this?
--
dep
Some pictures:
http://www.ipernity.com/doc/depscribe/album
On Tue, 2019-09-24 at 16:26 +, dep wrote:
> The heritage of the PDF has something to do with it also. A lot of
> PDFs are basically themselves a single image per page, in which case
> you open it in the GIMP and crop it down to the image,
To be clear, don't open the PDF in GIMP, as this will
2019年9月25日(水) 1:26 dep :
> said Liam R E Quin:
> | On Tue, 2019-09-24 at 17:51 +0200, Andrew-Yellow-Jackets wrote:
> | > 1) I have an Adobe Acrobat license at work. I can go into edit mode,
> | > pick the
> | > image, then tell it to open with GIMP.
> | >
> | > 2) Open the PDF with Inkscape.
> |
said Liam R E Quin:
| On Tue, 2019-09-24 at 17:51 +0200, Andrew-Yellow-Jackets wrote:
| > 1) I have an Adobe Acrobat license at work. I can go into edit mode,
| > pick the
| > image, then tell it to open with GIMP.
| >
| > 2) Open the PDF with Inkscape.
|
| On Linux™ systems you can also do this
On Tue, 2019-09-24 at 17:51 +0200, Andrew-Yellow-Jackets wrote:
>
> 1) I have an Adobe Acrobat license at work. I can go into edit mode,
> pick the
> image, then tell it to open with GIMP.
>
> 2) Open the PDF with Inkscape.
On Linux™ systems you can also do this by opening the image in the
I think OP wants the image without re-sampling. I've found two different ways
to do this.
1) I have an Adobe Acrobat license at work. I can go into edit mode, pick the
image, then tell it to open with GIMP.
1.5) Also with Acrobat, Save the PDF as Word, PowerPoint, etc., then grab the
image out
>For what it's worth, if you have a lot of images buried in a PDF file,
>extracting them all, one at a time, with the GIMP can be tedious.
>
>I generally use imagemagick to extract images from PDFs (imagemagick
>convert).
>
>
>2019年9月15日(日) 5:36 CaLy :
Sorry to disturb you, i see two executables
For what it's worth, if you have a lot of images buried in a PDF file,
extracting them all, one at a time, with the GIMP can be tedious.
I generally use imagemagick to extract images from PDFs (imagemagick
convert).
2019年9月15日(日) 5:36 CaLy :
> Hello. I am Carlos and its my first question to
>
>
> Hello Carlos
>
> I prefer to export in png format keeps more information including alpha
> channel,
>
if you are exporting for print, .tif maintains more information than .png.
if there is no alpha channel in the file, you can add one to allow
transparency if using paper other than white
>Thank you ALL for your solutions !
>I will see and it was just a curious thing ,because there is somewhere
>where i
>saw posted images from a magazine, wich i think it is a extraction of
>pdf,
>right? and i was curious about the sizes, dimensions and all.
>Maybe the images are not extracted from
>also, a pdf is an "image" of the original document. adobe created the
>format as a universal document format to be shared and the recipient
>did
>not have to have the program(s) used to create the document (i.e. ms
>office
>or libreoffice). so a pdf is like the johnny cash song about working
>in
On Sun, Sep 15, 2019 at 5:11 AM rich404 wrote:
>
> There are some things to remember for a PDF.
>
> It is a 'finished' format meant for viewing or printing. The document
> size, A4 ,
> US Letter...is a property. For printing pixels-per-inch (ppi aka dpi) has
> an
> effect but not always an easy
>Hello. I am Carlos and its my first question to this board, wich i
>think it will
>be great because it´s so great as the articles and tutorials and
>downloads i am
>watching ...
>
>The thing is...
>When i open a PDF file, and extracting the images and saving the
>images...
>1) wich one should I
>Hello Carlos
>I guess there are many ways to do the saving of images in gimp from a
>pdf,
>This is the way I do mine
>
>when you load the pdf in gimp
>1-use the 'Resolution' tumbler up arrow (RS) to increase the size of
>images, I
>go for a height of 5000 px using (RS) that gives a good size
>Hello. I am Carlos and its my first question to this board, wich i
>think it will
>be great because it´s so great as the articles and tutorials and
>downloads i am
>watching ...
>
>The thing is...
>When i open a PDF file, and extracting the images and saving the
>images...
>1) wich one should I
Hello. I am Carlos and its my first question to this board, wich i think it will
be great because it´s so great as the articles and tutorials and downloads i am
watching ...
The thing is...
When i open a PDF file, and extracting the images and saving the images...
1) wich one should I choose?
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