Re: [PHP] how to scale down image using ImageMagick?
"Noah Spitzer-Williams" [EMAIL PROTECTED] wrote: I have a bunch of pictures all in ranging filesizes and dimensions. I want to resize the ones that over 175 pixels wide to a 175 pixel wide picture however i want the height to scale down (ie. i dont want a really thin picture, i just want it to be what it would be if it were resized). i have this but i cant figure out how to just scale down the width: c:\progra~1\imagem~1\mogrify.exe -geometry 175x30! picture.jpeg the '!' forces those sizes to be used but obvoiusly i dont want the height to be 30. i want it to be whatever it should be so the picture doesnt look flattened. I believe imagemagick has an option where you can specify a single dimension (x or y) and it will set that dimension accordingly and automatically scale the other dimension. This should be covered in the manual pages or --help output of the program. -- -- Steve Werby President, Befriend Internet Services LLC http://www.befriend.com/ -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
Re: [PHP] how to scale down image using ImageMagick?
Is there a way to install the GD library on windows nt systems? i can't get this thing to not scale it if its smaller than a certain width ""Steve Werby"" [EMAIL PROTECTED] wrote in message 00ae01c0c848$8a802bb0$6501a8c0@workstation7">news:00ae01c0c848$8a802bb0$6501a8c0@workstation7... "Noah Spitzer-Williams" [EMAIL PROTECTED] wrote: I have a bunch of pictures all in ranging filesizes and dimensions. I want to resize the ones that over 175 pixels wide to a 175 pixel wide picture however i want the height to scale down (ie. i dont want a really thin picture, i just want it to be what it would be if it were resized). i have this but i cant figure out how to just scale down the width: c:\progra~1\imagem~1\mogrify.exe -geometry 175x30! picture.jpeg the '!' forces those sizes to be used but obvoiusly i dont want the height to be 30. i want it to be whatever it should be so the picture doesnt look flattened. I believe imagemagick has an option where you can specify a single dimension (x or y) and it will set that dimension accordingly and automatically scale the other dimension. This should be covered in the manual pages or --help output of the program. -- -- Steve Werby President, Befriend Internet Services LLC http://www.befriend.com/ -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED] -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
Re: [PHP] how to scale down image using ImageMagick?
Yeah, it is unfortunate that ImageMagick uses those chars since they have
other meanings on the cmd line.
just escape it ( \ ) and that should work ( works on a linux box )
morgan
At 07:53 PM 4/18/2001, you wrote:
morgan,
this is starting to work! the 175x175 does resize it to a width of 175
while retaining the aspect ratio.
however when i tried using the less than sign, the windows nt
command prompt is treating it as saving the output to a file:
c:\progra~1\imagem~1\mogrify.exe -geometry 175x175 picture.jpeg
imagemagick replies with : missing image file name. this is because the
sign is telling windows to save the output to a file.
i tried putting a 1 after the sign and it made a blank file with filename
of '1'.
how can i get around this? i couldnt figure out how to use -identify, it was
not in the docs
Thanks so much!
- Noah
- Original Message -
From: "Morgan Curley" [EMAIL PROTECTED]
Newsgroups: php.general
Sent: Wednesday, April 18, 2001 5:55 PM
Subject: Re: [PHP] how to scale down image using ImageMagick?
according to the docs use
-geometry 175x175 picture.jpeg
man mogrify:
-geometry widthxheight{+-}x offset{+-}y offset{%}{!}{}{}
preferred width and height of the image. See X(1) for
details about the geometry specification.
By default, the width and height are maximum values. That
is, the image is expanded or contracted to
fit the width and height value while maintaining the aspect
ratio of the image. Append an exclamation
point to the geometry to force the image size to exactly the
size you specify. For example, if you
specify 640x480! the image width is set to 640 pixels and
height to 480. If only one factor is speci
fied, both the width and height assume the value.
To specify a percentage width or height instead, append
%. The image size is multiplied by the width
and height percentages to obtain the final image
dimensions. To increase the size of an image, use a
value greater than 100 (e.g. 125%). To decrease an image's
size, use a percentage less than 100.
Use to change the dimensions of the image only if its size
exceeds the geometry specification.
resizes the image only if its dimensions is less than the
geometry specification. For example, if you
specify 640x480 and the image size is 512x512, the image
size does not change. However, if the image
is 1024x1024, it is resized to 640x480.
it looks like mogrify bases its resizing on the first value that is diff
than the one supplied i.e. if your image is 200x50 it will scale it to
175x? but if it is 50x200 it will scale it to ?x175
if it is important you not resize based on height use identify to get the
geometry first.
morgan
At 04:27 PM 4/18/2001, Noah Spitzer-Williams wrote:
I have a bunch of pictures all in ranging filesizes and dimensions. I want
to resize the ones that over 175 pixels wide to a 175 pixel wide picture
however i want the height to scale down (ie. i dont want a really thin
picture, i just want it to be what it would be if it were resized). i have
this but i cant figure out how to just scale down the width:
c:\progra~1\imagem~1\mogrify.exe -geometry 175x30! picture.jpeg
the '!' forces those sizes to be used but obvoiusly i dont want the height
to be 30. i want it to be whatever it should be so the picture doesnt look
flattened.
Thanks! - Noah
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Re: [PHP] how to scale down image using ImageMagick?
I use ImageMagik all the time for thumbnail creations... this doesn't
resize the image, it creates a new image, a thumbnail... but the principle
is the same
$cWidth = 175;
$picture_src = "fullSize/somepic.jpg";
$thumb_dest = "fthumbNail/somepic.jpg";
$aImageInfo = getimagesize( $picture_src );
if( $aImageInfo[0] $cWidth ) {
exec("convert -geometry $cWidth -colors 256 -colorspace
yuv $picture_src $thumb_dest" );
}
At 08:59 AM 4/19/01 -0400, Noah Spitzer-Williams wrote:
Is there a way to install the GD library on windows nt systems? i can't get
this thing to not scale it if its smaller than a certain width
""Steve Werby"" [EMAIL PROTECTED] wrote in message
00ae01c0c848$8a802bb0$6501a8c0@workstation7">news:00ae01c0c848$8a802bb0$6501a8c0@workstation7...
"Noah Spitzer-Williams" [EMAIL PROTECTED] wrote:
I have a bunch of pictures all in ranging filesizes and dimensions. I
want
to resize the ones that over 175 pixels wide to a 175 pixel wide picture
however i want the height to scale down (ie. i dont want a really thin
picture, i just want it to be what it would be if it were resized). i
have
this but i cant figure out how to just scale down the width:
c:\progra~1\imagem~1\mogrify.exe -geometry 175x30! picture.jpeg
the '!' forces those sizes to be used but obvoiusly i dont want the
height
to be 30. i want it to be whatever it should be so the picture doesnt
look
flattened.
I believe imagemagick has an option where you can specify a single
dimension
(x or y) and it will set that dimension accordingly and automatically
scale
the other dimension. This should be covered in the manual pages or --help
output of the program.
--
--
Steve Werby
President, Befriend Internet Services LLC
http://www.befriend.com/
--
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Re: [PHP] how to scale down image using ImageMagick?
Hi!
This is what I do:
if (!empty($picture)) {
$size = GetImageSize ("pics/$picture");
if ($size[0] = '175') {
$width = '175';
$height = $size[1] * ($width / $size[0]);
} else {
$width = $size[0];
$height = $size[1];
}
}
echo "img src=\"pics\$picture\" height=\"$height\" width=\"$width\"";
Fredrik A. Takle
Bergen, Norway
""Joe Sheble (Wizaerd)"" [EMAIL PROTECTED] skrev i melding
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
I use ImageMagik all the time for thumbnail creations... this doesn't
resize the image, it creates a new image, a thumbnail... but the principle
is the same
$cWidth = 175;
$picture_src = "fullSize/somepic.jpg";
$thumb_dest = "fthumbNail/somepic.jpg";
$aImageInfo = getimagesize( $picture_src );
if( $aImageInfo[0] $cWidth ) {
exec("convert -geometry $cWidth -colors 256 -colorspace
yuv $picture_src $thumb_dest" );
}
At 08:59 AM 4/19/01 -0400, Noah Spitzer-Williams wrote:
Is there a way to install the GD library on windows nt systems? i can't
get
this thing to not scale it if its smaller than a certain width
""Steve Werby"" [EMAIL PROTECTED] wrote in message
00ae01c0c848$8a802bb0$6501a8c0@workstation7">news:00ae01c0c848$8a802bb0$6501a8c0@workstation7...
"Noah Spitzer-Williams" [EMAIL PROTECTED] wrote:
I have a bunch of pictures all in ranging filesizes and dimensions.
I
want
to resize the ones that over 175 pixels wide to a 175 pixel wide
picture
however i want the height to scale down (ie. i dont want a really
thin
picture, i just want it to be what it would be if it were resized).
i
have
this but i cant figure out how to just scale down the width:
c:\progra~1\imagem~1\mogrify.exe -geometry 175x30! picture.jpeg
the '!' forces those sizes to be used but obvoiusly i dont want the
height
to be 30. i want it to be whatever it should be so the picture
doesnt
look
flattened.
I believe imagemagick has an option where you can specify a single
dimension
(x or y) and it will set that dimension accordingly and automatically
scale
the other dimension. This should be covered in the manual pages
or --help
output of the program.
--
--
Steve Werby
President, Befriend Internet Services LLC
http://www.befriend.com/
--
PHP General Mailing List (http://www.php.net/)
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Re: [PHP] how to scale down image using ImageMagick?
This is a neat bit of code to fill in image height and width info but it
does not affect the actual file size like resizing the image would
morgan
At 02:43 PM 4/19/2001, FredrikAT wrote:
Hi!
This is what I do:
if (!empty($picture)) {
$size = GetImageSize ("pics/$picture");
if ($size[0] = '175') {
$width = '175';
$height = $size[1] * ($width / $size[0]);
} else {
$width = $size[0];
$height = $size[1];
}
}
echo "img src=\"pics\$picture\" height=\"$height\" width=\"$width\"";
Fredrik A. Takle
Bergen, Norway
""Joe Sheble (Wizaerd)"" [EMAIL PROTECTED] skrev i melding
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
I use ImageMagik all the time for thumbnail creations... this doesn't
resize the image, it creates a new image, a thumbnail... but the principle
is the same
$cWidth = 175;
$picture_src = "fullSize/somepic.jpg";
$thumb_dest = "fthumbNail/somepic.jpg";
$aImageInfo = getimagesize( $picture_src );
if( $aImageInfo[0] $cWidth ) {
exec("convert -geometry $cWidth -colors 256 -colorspace
yuv $picture_src $thumb_dest" );
}
At 08:59 AM 4/19/01 -0400, Noah Spitzer-Williams wrote:
Is there a way to install the GD library on windows nt systems? i can't
get
this thing to not scale it if its smaller than a certain width
""Steve Werby"" [EMAIL PROTECTED] wrote in message
00ae01c0c848$8a802bb0$6501a8c0@workstation7">news:00ae01c0c848$8a802bb0$6501a8c0@workstation7...
"Noah Spitzer-Williams" [EMAIL PROTECTED] wrote:
I have a bunch of pictures all in ranging filesizes and dimensions.
I
want
to resize the ones that over 175 pixels wide to a 175 pixel wide
picture
however i want the height to scale down (ie. i dont want a really
thin
picture, i just want it to be what it would be if it were resized).
i
have
this but i cant figure out how to just scale down the width:
c:\progra~1\imagem~1\mogrify.exe -geometry 175x30! picture.jpeg
the '!' forces those sizes to be used but obvoiusly i dont want the
height
to be 30. i want it to be whatever it should be so the picture
doesnt
look
flattened.
I believe imagemagick has an option where you can specify a single
dimension
(x or y) and it will set that dimension accordingly and automatically
scale
the other dimension. This should be covered in the manual pages
or --help
output of the program.
--
--
Steve Werby
President, Befriend Internet Services LLC
http://www.befriend.com/
--
PHP General Mailing List (http://www.php.net/)
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Re: [PHP] how to scale down image using ImageMagick?
right my goal was to actually alter the file size for quicker downloads and
less bandwidth. the solution was a combination of morgan's and joe's posts.
thansk guys!
- Noah
"Morgan Curley" [EMAIL PROTECTED] wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
This is a neat bit of code to fill in image height and width info but it
does not affect the actual file size like resizing the image would
morgan
At 02:43 PM 4/19/2001, FredrikAT wrote:
Hi!
This is what I do:
if (!empty($picture)) {
$size = GetImageSize ("pics/$picture");
if ($size[0] = '175') {
$width = '175';
$height = $size[1] * ($width / $size[0]);
} else {
$width = $size[0];
$height = $size[1];
}
}
echo "img src=\"pics\$picture\" height=\"$height\" width=\"$width\"";
Fredrik A. Takle
Bergen, Norway
""Joe Sheble (Wizaerd)"" [EMAIL PROTECTED] skrev i
melding
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
I use ImageMagik all the time for thumbnail creations... this doesn't
resize the image, it creates a new image, a thumbnail... but the
principle
is the same
$cWidth = 175;
$picture_src = "fullSize/somepic.jpg";
$thumb_dest = "fthumbNail/somepic.jpg";
$aImageInfo = getimagesize( $picture_src );
if( $aImageInfo[0] $cWidth ) {
exec("convert -geometry $cWidth -colors 256 -colorspace
yuv $picture_src $thumb_dest" );
}
At 08:59 AM 4/19/01 -0400, Noah Spitzer-Williams wrote:
Is there a way to install the GD library on windows nt systems? i
can't
get
this thing to not scale it if its smaller than a certain width
""Steve Werby"" [EMAIL PROTECTED] wrote in message
00ae01c0c848$8a802bb0$6501a8c0@workstation7">news:00ae01c0c848$8a802bb0$6501a8c0@workstation7...
"Noah Spitzer-Williams" [EMAIL PROTECTED] wrote:
I have a bunch of pictures all in ranging filesizes and
dimensions.
I
want
to resize the ones that over 175 pixels wide to a 175 pixel wide
picture
however i want the height to scale down (ie. i dont want a
really
thin
picture, i just want it to be what it would be if it were
resized).
i
have
this but i cant figure out how to just scale down the width:
c:\progra~1\imagem~1\mogrify.exe -geometry 175x30! picture.jpeg
the '!' forces those sizes to be used but obvoiusly i dont want
the
height
to be 30. i want it to be whatever it should be so the picture
doesnt
look
flattened.
I believe imagemagick has an option where you can specify a single
dimension
(x or y) and it will set that dimension accordingly and
automatically
scale
the other dimension. This should be covered in the manual pages
or --help
output of the program.
--
--
Steve Werby
President, Befriend Internet Services LLC
http://www.befriend.com/
--
PHP General Mailing List (http://www.php.net/)
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Re: [PHP] how to scale down image using ImageMagick?
I just created a class that gets info resizes and stamps an image with
text. It's pretty simple, but works. If anyone wants it email me privately.
--Joe
On Wed, Apr 18, 2001 at 06:00:38PM -0400, Morgan Curley wrote:
according to the docs use
-geometry 175x175 picture.jpeg
man mogrify:
-geometry widthxheight{+-}x offset{+-}y offset{%}{!}{}{}
preferred width and height of the image. See X(1) for
details about the geometry specification.
By default, the width and height are maximum values. That
is, the image is expanded or contracted to
fit the width and height value while maintaining the aspect
ratio of the image. Append an exclamation
point to the geometry to force the image size to exactly the
size you specify. For example, if you
specify 640x480! the image width is set to 640 pixels and
height to 480. If only one factor is speci
fied, both the width and height assume the value.
To specify a percentage width or height instead, append
%. The image size is multiplied by the width
and height percentages to obtain the final image
dimensions. To increase the size of an image, use a
value greater than 100 (e.g. 125%). To decrease an image's
size, use a percentage less than 100.
Use to change the dimensions of the image only if its size
exceeds the geometry specification.
resizes the image only if its dimensions is less than the
geometry specification. For example, if you
specify 640x480 and the image size is 512x512, the image
size does not change. However, if the image
is 1024x1024, it is resized to 640x480.
it looks like mogrify bases its resizing on the first value that is diff
than the one supplied i.e. if your image is 200x50 it will scale it to
175x? but if it is 50x200 it will scale it to ?x175
if it is important you not resize based on height use identify to get the
geometry first.
morgan
At 04:27 PM 4/18/2001, Noah Spitzer-Williams wrote:
I have a bunch of pictures all in ranging filesizes and dimensions. I want
to resize the ones that over 175 pixels wide to a 175 pixel wide picture
however i want the height to scale down (ie. i dont want a really thin
picture, i just want it to be what it would be if it were resized). i have
this but i cant figure out how to just scale down the width:
c:\progra~1\imagem~1\mogrify.exe -geometry 175x30! picture.jpeg
the '!' forces those sizes to be used but obvoiusly i dont want the height
to be 30. i want it to be whatever it should be so the picture doesnt look
flattened.
Thanks! - Noah
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/* Joe Stump
* Sr. PHP Developer
* http://www.Care2.com http://www.joestump.net http://gtk.php-coder.net
*/
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[PHP] how to scale down image using ImageMagick?
I have a bunch of pictures all in ranging filesizes and dimensions. I want to resize the ones that over 175 pixels wide to a 175 pixel wide picture however i want the height to scale down (ie. i dont want a really thin picture, i just want it to be what it would be if it were resized). i have this but i cant figure out how to just scale down the width: c:\progra~1\imagem~1\mogrify.exe -geometry 175x30! picture.jpeg the '!' forces those sizes to be used but obvoiusly i dont want the height to be 30. i want it to be whatever it should be so the picture doesnt look flattened. Thanks! - Noah -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
Re: [PHP] how to scale down image using ImageMagick?
according to the docs use
-geometry 175x175 picture.jpeg
man mogrify:
-geometry widthxheight{+-}x offset{+-}y offset{%}{!}{}{}
preferred width and height of the image. See X(1) for
details about the geometry specification.
By default, the width and height are maximum values. That
is, the image is expanded or contracted to
fit the width and height value while maintaining the aspect
ratio of the image. Append an exclamation
point to the geometry to force the image size to exactly the
size you specify. For example, if you
specify 640x480! the image width is set to 640 pixels and
height to 480. If only one factor is speci
fied, both the width and height assume the value.
To specify a percentage width or height instead, append
%. The image size is multiplied by the width
and height percentages to obtain the final image
dimensions. To increase the size of an image, use a
value greater than 100 (e.g. 125%). To decrease an image's
size, use a percentage less than 100.
Use to change the dimensions of the image only if its size
exceeds the geometry specification.
resizes the image only if its dimensions is less than the
geometry specification. For example, if you
specify 640x480 and the image size is 512x512, the image
size does not change. However, if the image
is 1024x1024, it is resized to 640x480.
it looks like mogrify bases its resizing on the first value that is diff
than the one supplied i.e. if your image is 200x50 it will scale it to
175x? but if it is 50x200 it will scale it to ?x175
if it is important you not resize based on height use identify to get the
geometry first.
morgan
At 04:27 PM 4/18/2001, Noah Spitzer-Williams wrote:
I have a bunch of pictures all in ranging filesizes and dimensions. I want
to resize the ones that over 175 pixels wide to a 175 pixel wide picture
however i want the height to scale down (ie. i dont want a really thin
picture, i just want it to be what it would be if it were resized). i have
this but i cant figure out how to just scale down the width:
c:\progra~1\imagem~1\mogrify.exe -geometry 175x30! picture.jpeg
the '!' forces those sizes to be used but obvoiusly i dont want the height
to be 30. i want it to be whatever it should be so the picture doesnt look
flattened.
Thanks! - Noah
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