added image crop ToSVG support

[asturur]

close #4708

Add a clipPath to image toSVG in order to make crop working

[asturur]

Needs some test anyway

[kephin]

Hi, I saw you referenced the #4736 to #4738. But I don't see the connections between cropping image and scaling it. Do you mind sort of explaining for a little bit, thanks a lot!

[asturur]

i miss referenced and corrected later. :(

…

On 19 Feb 2018 11:14 am, "Kevin Hsiao" ***@***.***> wrote: Hi, I saw you referenced the #4736 <#4736> to #4738 <#4738>. But I don't see the connections between cropping image and scaling it. Do you mind sort of explaining for a little bit, thanks a lot! — You are receiving this because you modified the open/close state. Reply to this email directly, view it on GitHub <#4738 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/ABI4QKXonBI61tD-UHkUxVAZ_GlZv3Jjks5tWUlzgaJpZM4SJwFX> .

[AvaelKross]

@asturur

'" width="', this._element.width || this._element.naturalWidth,
'" height="', this._element.height || this._element.height,

second line doesn't seem to be correct

[asturur]

yep is not.

[kephin]

@asturur Any update for #4736 ? Or is there anything I can do? Thanks.