Am 07.12.2012 13:49, schrieb Marco Patzer:
> On 2012–12–07 Peter Rolf wrote:
>
>> Am 06.12.2012 19:35, schrieb Marco:
>>> On 2012–12–06 Aditya Mahajan wrote:
>>>
>>>> I always thought that shadows were possible to do in PDF (after all
>>>> TikZ does it using some type of PDF primitives).
>>>
>>> It is. I use MetaPost to draw the shadows using the shading
>>> mechanism:
>>>
>>> withshading("circular", urcorner bottom_left, urcorner bottom_left,
>>> radius, 0)
>>> withfromshadecolor \MPcolor{c:transparent}
>>> withtoshadecolor col;
>>>
>>
>> Don't mix Type2/3 with Type 4/5 shadings (see my answer to Aditya). They
>> are all called 'shadings', but only the latter can be used for the
>> creation of realistic looking drop shadows.
>
> Thanks for pointing that out. I will have a look into my code again.
>
> I was (and actually I still am) confused by the different shading
> methods provided by MetaFun. I admit that I never read the PDF
> reference which means that I don't know the shading internals. I
> experimented a little and came up with a working solution to add
> some eye-candy to presentations.
>
Nearly everyone loves eye-candy in presentations. It distracts the
observer from the question "What am I doing here....?" ;-)
>> And to repeat myself: there is nothing wrong with bitmaps.
>
> I agree. Even Knuth designed his fonts as bitmaps (at least the
> output is a bitmap). However, bitmaps always have a fixed size and
> thus are not scalable.
>
True. I haven't played around with Photoshop or Indesign for years, but
the old versions also used bitmaps for their drop shadows. If Adobe as
the inventor of PDF does it, ...
>> Take the best from both worlds ;-)
>
> ACK
>
> And thanks for this nice module and especially for the well-written
> documentation.
>
I tried my best (which means it took a looooooooooooong time). :-)
>
> Marco
>
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