[Gimp-user] Extracting images from a PDF

2019-09-26 Thread fa-flyingalone
>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

Re: [Gimp-user] Extracting images from a PDF

2019-09-24 Thread Liam R E Quin
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

Re: [Gimp-user] Extracting images from a PDF

2019-09-24 Thread dep
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

Re: [Gimp-user] Extracting images from a PDF

2019-09-24 Thread Liam R E Quin
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

Re: [Gimp-user] Extracting images from a PDF

2019-09-24 Thread Joel Rees via gimp-user-list
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. > |

Re: [Gimp-user] Extracting images from a PDF

2019-09-24 Thread 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. | | On Linux™ systems you can also do this

Re: [Gimp-user] Extracting images from a PDF

2019-09-24 Thread 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 by opening the image in the

[Gimp-user] Extracting images from a PDF

2019-09-24 Thread Andrew-Yellow-Jackets
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

[Gimp-user] Extracting images from a PDF

2019-09-24 Thread CaLy
>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

Re: [Gimp-user] Extracting images from a PDF

2019-09-18 Thread Joel Rees via gimp-user-list
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

Re: [Gimp-user] Extracting images from a PDF

2019-09-17 Thread Dwain Alford via gimp-user-list
> > > 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

[Gimp-user] Extracting images from a PDF

2019-09-17 Thread fa-flyingalone
>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

[Gimp-user] Extracting images from a PDF

2019-09-16 Thread CaLy
>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

Re: [Gimp-user] Extracting images from a PDF

2019-09-15 Thread Dwain Alford via gimp-user-list
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

[Gimp-user] Extracting images from a PDF

2019-09-15 Thread rich404
>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

[Gimp-user] Extracting images from a PDF

2019-09-15 Thread fa-flyingalone
>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

[Gimp-user] Extracting images from a PDF

2019-09-15 Thread fa-flyingalone
>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

[Gimp-user] Extracting images from a PDF

2019-09-14 Thread CaLy
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?