kopia lustrzana https://github.com/backface/turtlestitch
Update morphic.txt
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written by Jens Mönig
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jens@moenig.org
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Copyright (C) 2010-2020 by Jens Mönig
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Copyright (C) 2010-2022 by Jens Mönig
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This documentation last changed: July 22, 2020
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This documentation last changed: August 03, 2022
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This file is part of Snap!.
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@ -643,7 +643,7 @@
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Drops of image elements from outside the world canvas are dispatched as
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droppedImage(aCanvas, name)
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droppedImage(aCanvas, name, embeddedData)
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droppedSVG(anImage, name)
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events to interested Morphs at the mouse pointer. If you want your Morph
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droppedImage() event with a canvas containing a rasterized version of the
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SVG.
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The same applies to drops of audio or text files from outside the world
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canvas.
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Note that PNG images provide for embedded text comments, which can be used
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to include code or arbitrary data such as a CSV, JSON or XML file inside
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the image. Such a payload has to be identified by an agreed-upon marker.
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The default tag is stored in MorphicPreferences and can be overriden by
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apps wishing to make use of this feature. If such an embedded text-payload
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is found inside a PNG it is passed as the optional third "embeddedData"
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parameter to the "droppedImage()" event. embedded text only applies to PNGs.
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You can embed a string into the PNG metadata of a PNG by calling
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embedMetadataPNG(aCanvas, aString)
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with a raster image represented by a canvas and a string that is to be
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embedded into the PNG's metadata.
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The same event mechanism applies to drops of audio or text files from
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outside the world canvas.
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Those are dispatched as
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@ -679,6 +693,15 @@
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droppedBinary(anArrayBuffer, name)
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In case multiple files are dropped simulateneously the events
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beginBulkDrop()
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endBulkDrop()
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are dispatched to to Morphs interested in bracketing the bulk operation,
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and the endBulkDrop() event is only signalled after the contents last file
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has been asynchronously made available.
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(e) keyboard events
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-------------------
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Jason N (@cyderize) contributed native copy & paste for text editing.
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Bartosz Leper contributed retina display support.
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Zhenlei Jia and Dariusz Dorożalski pioneered IME text editing.
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Dariusz Dorożalski and Jesus Villalobos contributed embedding blocks
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into image metadata.
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Bernat Romagosa contributed to text editing and to the core design.
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Michael Ball found and fixed a longstanding scrolling bug.
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Brian Harvey contributed to the design and implementation of submenus.
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Ken Kahn contributed to Chinese keboard entry and Android support.
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Brian Broll contributed clickable URLs in text elements.
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Brian Broll contributed clickable URLs in text elements and many bugfixes.
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- Jens Mönig
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