Hello ~
I have RMagick and file_column working in RoR. In my model I am setting up
some standard sizes for the submitted photos. The photo files are created
and named correctly, but the sizes are wrong. Only the second argument of
my geometry call is used, with the width dimension being resized
proportionately.
file_column :image, :magick => { :versions => { "medium" =>
"180x240",
"large" => "270x360" } }
So all my images are 240 pixels high or 360 pixels high, but not the correct
width. Is there a toggle for resizing proportionately, or is my call wrong?
I have been using this page for reference:
http://www.kanthak.net/opensource/file_column/
Thx in advance for your help!
~ Ben
--
Ben Reubenstein
benr-gpfhg/Mf3zw@public.gmane.org
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Sounds like file_column is using change_geometry, which will resize while maintaining aspect ratio. The geometry that you pass to it will resize the image with those as constraints, meaning the resulting image will be no larger (either way) than your specifications. If you want to change the aspect ratio you should use resize or crop the image. I''d suggest resizing based on the smallest edge, and then cropping the image to the exact size that you want - otherwise you are going to end up with distorted images. Rmagick has good docs: http://www.simplesystems.org/RMagick/doc/ On Mon, 2005-12-19 at 09:35 -0700, Ben Reubenstien wrote:> Hello ~ > > I have RMagick and file_column working in RoR. In my model I am > setting up some standard sizes for the submitted photos. The photo > files are created and named correctly, but the sizes are wrong. Only > the second argument of my geometry call is used, with the width > dimension being resized proportionately. > > file_column :image, :magick => { :versions => { "medium" => "180x240", > "large" => "270x360" } } > > So all my images are 240 pixels high or 360 pixels high, but not the > correct width. Is there a toggle for resizing proportionately, or is > my call wrong? I have been using this page for reference: > http://www.kanthak.net/opensource/file_column/ > > Thx in advance for your help! > > ~ Ben > > -- > Ben Reubenstein > benr-gpfhg/Mf3zw@public.gmane.org > _______________________________________________ > Rails mailing list > Rails-1W37MKcQCpIf0INCOvqR/iCwEArCW2h5@public.gmane.org > http://lists.rubyonrails.org/mailman/listinfo/rails
Yes, that documentation helped. I hacked this quick method into the
vendor/plugins/file_column/lib/magick_file_column.rb
#WILL NOT MAINTAIN ASPECT RATIO
def resize_image_raw(img, geometry, path)
new_img = img.change_geometry(geometry) do |c, r, i|
tempstuff = geometry.split("x")
temp1 = Integer(tempsomething[0])
temp2 = Integer(tempsomething[1])
i.resize(temp1, temp2)
end
new_img.write path
end
~ Ben
On 12/19/05, Jerrett Taylor
<jerrett-7g3wz9A/6AxWk0Htik3J/w@public.gmane.org>
wrote:>
> Sounds like file_column is using change_geometry, which will resize
> while maintaining aspect ratio. The geometry that you pass to it will
> resize the image with those as constraints, meaning the resulting image
> will be no larger (either way) than your specifications.
>
> If you want to change the aspect ratio you should use resize or crop the
> image. I''d suggest resizing based on the smallest edge, and then
> cropping the image to the exact size that you want - otherwise you are
> going to end up with distorted images.
>
> Rmagick has good docs: http://www.simplesystems.org/RMagick/doc/
>
>
>
>
> On Mon, 2005-12-19 at 09:35 -0700, Ben Reubenstien wrote:
> > Hello ~
> >
> > I have RMagick and file_column working in RoR. In my model I am
> > setting up some standard sizes for the submitted photos. The photo
> > files are created and named correctly, but the sizes are wrong. Only
> > the second argument of my geometry call is used, with the width
> > dimension being resized proportionately.
> >
> > file_column :image, :magick => { :versions => {
"medium" => "180x240",
> > "large" => "270x360" } }
> >
> > So all my images are 240 pixels high or 360 pixels high, but not the
> > correct width. Is there a toggle for resizing proportionately, or is
> > my call wrong? I have been using this page for reference:
> > http://www.kanthak.net/opensource/file_column/
> >
> > Thx in advance for your help!
> >
> > ~ Ben
> >
> > --
> > Ben Reubenstein
> > benr-gpfhg/Mf3zw@public.gmane.org
> > _______________________________________________
> > Rails mailing list
> > Rails-1W37MKcQCpIf0INCOvqR/iCwEArCW2h5@public.gmane.org
> > http://lists.rubyonrails.org/mailman/listinfo/rails
>
>
--
Ben Reubenstein
benr-gpfhg/Mf3zw@public.gmane.org
_______________________________________________
Rails mailing list
Rails-1W37MKcQCpIf0INCOvqR/iCwEArCW2h5@public.gmane.org
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Darn, posted sample with typos! If you want to resize an image to a
specific size, you can do this:
#WILL NOT MAINTAIN ASPECT RATIO
def resize_image_raw(img, geometry, path)
new_img = img.change_geometry(geometry) do |c, r, i|
tempstuff = geometry.split("x")
temp1 = Integer(tempstuff[0])
temp2 = Integer(tempstuff[1])
i.resize(temp1, temp2)
end
new_img.write path
end
But as Jerrett pointed out a more elegant solution is to resize, then crop.
I agree, here is how to do it:
def resize_image_resize_crop(img, geometry, path, name)
new_img = img.change_geometry(geometry) do |c, r, i|
i.resize(c,r).crop(0,0,YOUR_WIDTH_HERE,YOUR_HEIGHT_HERE)
end
new_img.write path
end
Now to make sure all images are the same size, pass the geometry object
"90x". This will make all images have a width of 90 with the correct
aspect
ratio. You could also pass "x90" if you want the height to be static.
The
crop will then make the images the same size.
~ Ben
On 12/19/05, Ben Reubenstien <benr-gpfhg/Mf3zw@public.gmane.org>
wrote:>
> Yes, that documentation helped. I hacked this quick method into the
> vendor/plugins/file_column/lib/magick_file_column.rb
>
> #WILL NOT MAINTAIN ASPECT RATIO
> def resize_image_raw(img, geometry, path)
> new_img = img.change_geometry(geometry) do |c, r, i|
> tempstuff = geometry.split("x")
> temp1 = Integer(tempsomething[0])
> temp2 = Integer(tempsomething[1])
> i.resize(temp1, temp2)
> end
> new_img.write path
> end
>
> ~ Ben
>
> On 12/19/05, Jerrett Taylor
<jerrett-7g3wz9A/6AxWk0Htik3J/w@public.gmane.org > wrote:
> >
> > Sounds like file_column is using change_geometry, which will resize
> > while maintaining aspect ratio. The geometry that you pass to it will
> > resize the image with those as constraints, meaning the resulting
image
> > will be no larger (either way) than your specifications.
> >
> > If you want to change the aspect ratio you should use resize or crop
the
> >
> > image. I''d suggest resizing based on the smallest edge, and
then
> > cropping the image to the exact size that you want - otherwise you are
> > going to end up with distorted images.
> >
> > Rmagick has good docs: http://www.simplesystems.org/RMagick/doc/
> >
> >
> >
> >
> > On Mon, 2005-12-19 at 09:35 -0700, Ben Reubenstien wrote:
> > > Hello ~
> > >
> > > I have RMagick and file_column working in RoR. In my model I am
> > > setting up some standard sizes for the submitted photos. The
photo
> > > files are created and named correctly, but the sizes are wrong.
Only
> > > the second argument of my geometry call is used, with the width
> > > dimension being resized proportionately.
> > >
> > > file_column :image, :magick => { :versions => {
"medium" => "180x240",
> > > "large" => "270x360" } }
> > >
> > > So all my images are 240 pixels high or 360 pixels high, but not
the
> > > correct width. Is there a toggle for resizing proportionately, or
is
> > > my call wrong? I have been using this page for reference:
> > > http://www.kanthak.net/opensource/file_column/
> > >
> > > Thx in advance for your help!
> > >
> > > ~ Ben
> > >
> > > --
> > > Ben Reubenstein
> > > benr-gpfhg/Mf3zw@public.gmane.org
> > > _______________________________________________
> > > Rails mailing list
> > > Rails-1W37MKcQCpIf0INCOvqR/iCwEArCW2h5@public.gmane.org
> > > http://lists.rubyonrails.org/mailman/listinfo/rails
> >
> >
>
>
> --
> Ben Reubenstein
> benr-gpfhg/Mf3zw@public.gmane.org
>
--
Ben Reubenstein
benr-gpfhg/Mf3zw@public.gmane.org
_______________________________________________
Rails mailing list
Rails-1W37MKcQCpIf0INCOvqR/iCwEArCW2h5@public.gmane.org
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