On 11/20/2016 09:04 PM, Hermet Park wrote:
> Make sense to me.
>
> If no one objects to efl_gfx_path, I will start with the conclusion soon.
>
+1
dh
> -----Original Message-----
> From: "Cedric BAIL"<cedric.b...@free.fr>
> To: "Enlightenment developer list"<enlightenment-devel@lists.sourceforge.net>;
> Cc:
> Sent: 2016-11-18 (금) 04:39:09
> Subject: Re: [E-devel] FW: FW: FW: FW: FW: FW: Propose a Eina_Path
>
> On Wed, Nov 16, 2016 at 5:25 PM, Hermet Park <her...@hermet.pe.kr> wrote:
>> Well... If you argue only path should be an interface,
>> I don't agree with you.
>>
>> I think path is nothing more than data structure & utility functions.
>>
>> If you say path is not a base data type, matrix, vector, curve and etc
>> should not be in eina.
>> They will harm consistency.
>
> Ok, try to see it the other way around. How would you define a matrix,
> vector and a path in let say JS ? My take on this would be :
>
> v = { 0, 1, 2 }; m = { { 1, 0, 0 }, { 0, 1, 0 }, { 0, 0, 1} }; p = { {
> MOVE_TO, CURVE_TO }, { 2, 2, 3, 4, 4, 5 } };
>
> You already see the problem here. vector and matrix are defined
> mathematically. A path is not. Most language already have a math
> package able to handle vector and matrix. If they don't well, we could
> add matrix as an eo object. For path, you couldn't even have a
> conversion from a string to a path without manually adding that API. P
> is an object as it has a lot constructor and logic embedded in it, it
> is not just a data structure nor is it a math primitive that is
> supported in let say C++. So how do you expect bindings and C to have
> the same consistent API with path ? How do you see a developer in JS
> define a path ?
>
> Personnaly I would like to be able to do :
>
> p = new Path({ svg = "M 256,213 C 245,181 206,187 234,262 147,181
> 169,71.2 233,18 220,56 235,81 283,88 285,78.7 286,69.3 288,60 289,61.3
> 290,62.7 291,64 291,64 297,63 300,63 303,63 309,64 309,64 310,62.7
> 311,61.3 312,60 314,69.3 315,78.7 317,88 365,82 380,56 367,18 431,71
> 453,181 366,262 394,187 356,181 344,213 328,185 309,184 300,284
> 291,184 272,185 256,213 Z" });
> p = new Path({ .move_to(2, 1); .line_to(2, 2); .cubic_to(0, 1, 2, 3,
> 4, 5, 6); });
>
> p.line_to(3, 4);
>
> This is something we would get for free with our current
> efl_gfx_shape.eo that you want to move to eina. Please share your
> vision on this.
>
> Cedric
>
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