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add support for shareImage #457

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add support for shareImage #457

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25140f1
add shareImage
typemytype Nov 30, 2021
0dca9f3
Merge branch 'master' into shareImage
typemytype Dec 6, 2021
fd2b524
use the context to generate the image and not the top level api insid…
typemytype Dec 7, 2021
d0ebc7a
mocking shareImage
typemytype Dec 7, 2021
ef8fc0c
silly me, rename the download code file name
typemytype Dec 7, 2021
34e29f1
adding test image
typemytype Dec 7, 2021
956531b
adding a delegate
typemytype Dec 24, 2021
736b932
simply wait a sec before removing the path
typemytype Dec 26, 2021
a6e452e
test incoming service and only pop up when saveImage is succes full
typemytype Dec 26, 2021
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33 changes: 33 additions & 0 deletions drawBot/drawBotDrawingTools.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@

import math
import os
import tempfile
import random
from collections import namedtuple

Expand Down Expand Up @@ -462,6 +463,38 @@ def pdfImage(self):
self._drawInContext(context)
return context.getNSPDFDocument()

def shareImage(self, format="pdf", service="airdrop", **kwargs):
"""
Share the canvas to a service with a specified format.

As default the `format` is `pdf`, any suffix drawBot supports is possible.

`service` options are `airdrop`, `mail` or `message`.

.. downloadcode:: printImage.py

# set A4 page size
size(200, 200)
# draw something
text("Foo, bar", (10, 10))
# share it over airdrop
shareImage('pdf', service="airdrop")
"""
path = tempfile.mkstemp(suffix=f".{format}")[1]
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Like I commented earlier, can we do this without a temp file? It's not being cleaned up, and I don't see how it could be. It's also not necessary as far as I can see: the sharing API works with all kinds of object, such as NSImage. Perhaps in-memory PDF data can be shared, too.

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A pdfDocument has no paste board support which is a requirement to send objects over.

The NSSharingService class is used to provide a consistent user experience when sharing items—NSURL objects, NSString objects, NSImage objects, video (through file URLs), or any object that implements the NSPasteboardWriting protocol—in macOS.

--> https://developer.apple.com/documentation/appkit/nssharingservice?language=objc

gif or mp4 has also no paste board support

its indeed not cleaned up, as it needs to be available during the sharing process

I could add a NSSharingServiceDelegate where a callback is received when the sharing is done

https://developer.apple.com/documentation/appkit/nssharingservicedelegate?language=objc

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Then it indeed needs to be cleaned up with a delegate.

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this is silly: the delegate removes the assets to fast and fe mail can not find it anymore...

see https://gist.github.com/typemytype/ea02152e754a5b0225df2df23976afd5


self.saveImage(path, **kwargs)
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Sounds like a job for saveImage("NSImage"). The tempfile just keeps hanging around.

Also: shouldn't this be a proper menu item rather than a library function?

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the cool thing to have this as library function is that it can be run from code outside the app.


serviceMap = dict(
airdrop=AppKit.NSSharingServiceNameSendViaAirDrop,
mail=AppKit.NSSharingServiceNameComposeEmail,
message=AppKit.NSSharingServiceNameComposeMessage,
)

sharingService = AppKit.NSSharingService.sharingServiceNamed_(serviceMap[service])
sharingService.performWithItems_([
AppKit.NSURL.fileURLWithPath_(path)
])

# graphics state

def save(self):
Expand Down