[FFmpeg-devel] [PATCH] adjust y in pad filter

[Baptiste Coudurier]

On 05/11/2010 12:32 PM, Reimar D?ffinger wrote:
> On Tue, May 11, 2010 at 11:04:48AM -0700, Baptiste Coudurier wrote:
>> On 05/11/2010 10:55 AM, Baptiste Coudurier wrote:
>>> On 05/11/2010 10:50 AM, Reimar D?ffinger wrote:
>>>> On Tue, May 11, 2010 at 10:33:51AM -0700, Baptiste Coudurier wrote:
>>>>> I believe that it is simpler and obvious for everybody that
>>>>> 0,0 coordinates are bottom left corner and not top left corner.
>>>>
>>>> Not to me, I've never understood why it should be, does anyone
>>>> number line numbers on a page from bottom to top?
>>>> Why the should pixels suddenly be counted that way?
>>>
>>> What about maths ?
>>>
>>
>> To elaborate, it is about geometry.
>> In geometry, 0,0 is bottom left.
>
> No, 0,0 is just the distinguished point, there's no "left", "bottom" or
> whatever in geometry, even if it is usually drawn like that.

Just stop here. That's what I'm talking about, "usually drawn", you just 
agreed with me, and I bet 90% of the _users_ of the filter.

[...]

-- 
Baptiste COUDURIER
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