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Just to clarify some points, there is no need for this to be of
print quality - it is an online representation of the vinyl they will
recieve in the post.
Also, the main problem I've got with GD, is generating text that is
stretched? Do I need to generate a text image then stretch this using
normal resize functions??
Alex
On Wed , Jochem Maas jochem@xxxxxxxxxxxxx sent:
Ashley Sheridan schreef:
> Hence me saying "in the way you are asking" I know GD can scale
images
> (I've done that myself on more than one occassion), but not images
that
> are intended for print as opposed to screen viewing, as this
appears to be.
I can't see how imagemagick helps here, it's a bitmap manipulator
just like
GD. so it's either use something that generates vector based output
(and let
the printersubsytem handle the conversion) or generate massive
bitmaps and
print them at a very high DPI.
>
> As for quality, I've found that GD offers comparable quality
images to
> ImageMagik, and in better time more often than not. The main
advantage
> ImageMagik has is with functionality; quite simply, it can do much
more
> than GD and GD2.
I'll take your word on that, I've never played with imagemagick,
having found
GD to produce quality good enough for my needs.
>
> Ash
> www.ashleysheridan.co.uk [1]
>
>
>
------------------------------------------------------------------------
>
> Onderwerp:
> Re: Image Generation
> Van:
> Jochem Maas
> Datum:
> Wed, 20 Aug 2008 11:06:14 +0200
> Aan:
> ash@xxxxxxxxxxxxxxxxxxxx [3]
>
> Aan:
> ash@xxxxxxxxxxxxxxxxxxxx [4]
> CC:
> Alex Chamberlain , PHP General list
>
>
> Return-path:
>
ashleysheridan.co.uk@xxxxxxxxxxxxx>
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> Ashley Sheridan schreef:
>> I don't think GD has a built-in function to scale an image the
way you
>> are asking,
>
> of course you can scale images with GD, but everything works in
pixels,
> ImageMagick is no different ... there is no such thing as
millimeters
> when it
> comes to bitmap images, you can specify an output resolution when
> printing but
> that has no direct bearing on the image file itself.
>
> Alex will have to figure out the bounding box ratios of the
dimensions
> given in
> mm and transpose that into the 300x150 pixel image he's going to
use as
> a canvas,
> the math is not that hard (can't be if I can manage it!) and
although it
> won't
> be a perfect at all times he did mention it's a representation.
>
> If Alex requires pixel perfect representation of print output in a
file
> then he
> is going to have to resort to some kind of vector based image
> representation
> (e.g. Adobe Illustrator) but scripting that with php is possibly
going
> to be very
> tricky, either using a COM object or shelling out to something
like
> AppleScript
> (which I know you can use to do some really crazy Illustrator
scripting
> with)
>
>> and to do it on a pixel by pixel basis from within a function is
going
>> to be a very time consuming and memory costly process. Have you
>> thought about using ImageMagik to do this? I know that you can
exec()
>> out to this from within Windows and Linux, and ImageMagik is free
to
>> use (as far as I'm aware) so it could be just what you need.
>>
>> Ash
>> www.ashleysheridan.co.uk [21]
>>
>>
>>
------------------------------------------------------------------------
>>
>> Onderwerp:
>> Image Generation
>> Van:
>> "Alex Chamberlain"
>> Datum:
>> Wed, 20 Aug 2008 08:29:50 +0100
>> Aan:
>> "PHP General list"
>>
>> Aan:
>> "PHP General list"
>>
>> Return-path:
>>
ashleysheridan.co.uk@xxxxxxxxxxxxx>
>> Envelope-to:
>> ash@xxxxxxxxxxxxxxxxxxxx [25]
>> Delivery-date:
>> Wed, 20 Aug 2008 08:30:52 +0100
>> Received:
>> from [216.92.131.4] (port=26599 helo=lists.php.net) by
>> zencphosting11.zen.co.uk with esmtp (Exim 4.68) (envelope-from
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ashleysheridan.co.uk@xxxxxxxxxxxxx>) id
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2008
>> 08:30:51 +0100
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>>
>> Hi,
>>
>> I need to generate an online proof for vinyl lettering. Customers
specify
>> the text, font, colour, maximum frame size (mm) (ie the width and
>> height it
>> must fit into), and whether or not they want to keep aspect ratio
(ie not
>> distort the lettering).
>>
>> I want to represent all this on a single image. So it would
display a
>> border
>> with their width and height on, and inside this would be the text
in the
>> appropriate colour and font – if they decide to keep aspect
ratio the
>> text
>> would not be distorted. If they do not, it would be. The image
would
>> always
>> be 300px wide by 150px high (these would need to be constants
that I
>> could
>> change from time to time).
>>
>> I’ve got a very basic proof working using a GD wrapper, but I
don’t
>> think GD
>> is powerful enough to do it all, nor do I recon my programming
skills
>> are up
>> for it. Has anybody got any advice on how to tackle this, even if
it
>> is just
>> bits of the problem??
>>
>> Thanks,
>>
>> Alex Chamberlain
>>
>>
>>
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>
>
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