BoundingBox widget / Compile iconPath to image
The real point that came up here is how to get the bounding
box of an SVG path that is used as iconPath of the svgIcon
widget. With that it is simple to prepare the path as input
for
There is a problem with transparency in the result of
drawingSVGcompile that my "cropIt" should remove:
While an importer via javaScript (SVGHandles89 uses javaScript)
removes the transparency from the data, it does it not with the
result of drawingSVGcompile probably it doesn't use numToByte(0)
eturn "" & \
"http://www.w3.org/2000/svg; & "" & \
" xmlns=" & "http://www.w3.org/2000/svg; & "" & \
" version=" & "1.0" & "" & \
" width=&qu
Add in
http://forums.livecode.com/viewtopic.php?p=129713#p129713
to the card script:
on mouseUp
put the clickText into cT
if cT is a number and cT < 31 then
put "day: " & cT & \
"month: " & the label of btn "month" & \
"year: " & the label of btn "year"
end if
Klaus,
honestly, if you never worked with LCB then you better use
one of the many LC Script versions, for example
http://forums.livecode.com/viewtopic.php?p=129713#p129713
(you can switch Mo or So week start there).
To get more than display functions of 1-3-6-12 months is,
based on that,
As to speed comparisons with LC 9:
Compared to LC 8, LC Builder of LC 9 has an increase of 50-120% in speed.
(Seen with timings when creating an LCD-scroller widget and an image widget).
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Curry,
sorry I overlooked the post with your download link
> http://curryk.com/showdown.zip
This is a *fine* comparison stack.
You could think about adding for LC 8/9 a browser widget and in
handler "work done", instead of copying to the clipboard,
set htmltext of widget "browser" to the cJS
How did you do the JavaScript (in browser?) and
how did you do the timing?
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Was "ANN: LC Documentation Cache Cleaner"
Jacques LG wrote:
> We can upload zip files to Sample Stacks? ...
No. But you can, of course, use a stack container for zips.
I once uploaded a simple version:
http://livecodeshare.runrev.com/stack/805/ZipContainer
"Sample Stacks" had an update before
Just uploaded SVGHandles to "Sample Stacks".
This is a group of handles that is attachable to a SVG display.
All you have to do (after copying the group to your stack):
send "setTarget " to group "hhSVGPoly"
The field's name will usually end with ".svg" and contain any
valid SVG source. The
Just uploaded hhImageHandles to "Sample Stacks".
This is a group of handles that is attachable to any image.
All you have to do (after copying the group to your stack):
send "setTarget " to group "hhPoly"
Base position of the 9 handles (use a monospaced font):
###
##
You could try:
on mouseUp
put the selectedChunk into sc
put word 2 of sc into strt
put word 4 of sc into stp
put fld word 7 of sc into txt
put selectedWords(strt,stp,txt) into fld "out"
end mouseUp
function selectedWords strt,stp,txt
put the num of words in char 1 to strt of txt into
> Alex T. wrote:
>
> put 0 into tOffset
> repeat for each trueWord W in tSource
>add 1 to tOffset
>if W = myWord then
> put tOffset & comma after tOffsetList
>end if
> end repeat
This is (whether trueWord or word chunks used) probably the fastest
method for an offset counting
For a more general context see
http://www.runrev.com/pipermail/use-livecode//2004-February/032280.html
Sadly LC 9 is at about 10 times slower than LC 6 with such fast scripts.
For example LC 6.7.11 needs at about 500 ms to evaluate a 1 MByte string,
LC 9.0.0 needs at about 5 seconds.
> Tom G. wrote:
> What do we know about whats coming in LC 10?
> I'm assuming big improvements to widgets and LC builder.
Still waiting for big improvements to widgets and LC builder
for LC 9 ...
Increasing the version number alone doesn't improve the net
content (= gross content - fixes of
ImageStatistics_v100 is a very fast computation of the color-values
distribution of an image for each of the R/G/B-channels and the
'mean channel' (= grayscaled image).
You get the raw data and select for the display the number of bins
(one of 2, 4, 8, 16, 32, 64, 128, 256) for the values range
LC-ImageToolbox_v185 adds Color-Dithering which does a 1-Bit-Dithering for
each of the R-G-B-channels (1-Bit-Methods: Atkinson, Burkes, Floyd-Steinberg,
Javis-Judice-Ninke, Sierra-twoRow, Stucki).
For more info see
http://forums.livecode.com/viewtopic.php?p=170620#p170620
> Alejandro T. wrote:
LC-ImageToolbox_v180
Version 1.8.0 adds a new feature to LC-ImageToolBox: Kuwahara filtering.
The filter replaces each pixel with the mean value of the one of four
overlapping subsquares that has minimal values variance.
For more info see
Added a new feature to LC-ImageToolBox: Quantile filtering.
An x-Quantile is a generalized parameter of location of distributions
with a percentage x.
For example x=0 yields the minimum, x=50 the median, x=100 the maximum
of the sample values.
You can select the percentage x and a 'population
This is already case-insensitive, but the period needs an escape:
filter tList with regex pattern "\.*(jpe?g|png|gif)$"
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> Bob S. wrote:
> Something in my scripts is sending a selectionChanged message in
> time to a specific datagrid when it shouldn't. How do I determine
> the sender of a send in time message?
Simply use a a parameter:
send "selectionChanged " to in
where identifies the sender.
This is a stack for making cursor images:
http://forums.livecode.com/viewtopic.php?p=129211#p129211
You can set the color, size and transparency of the cursor image.
Don't forget to set the hotspot adjusted to the cursor's size.
Just copy your cursor image to your stack and set the cursor
(or
Mark,
obviously you ask relating to Bob's IPv4 sort problem.
But when optimising (for speed) the connected formula
(1) a + b * 2^8 + c * 2^16 + d * 2^32
using the constants is slightly faster:
(2) a + b * 256 + c * 65536 + d * 16777216
Why is the engine not handling the internal bitshifts
Remains to remark that the upcoming standard IPv6
with its text representations
(Section 2.2 of https://tools.ietf.org/html/rfc4291)
will require more detailed methods,
both for number base conversion and for item sorts/cosorts
(the items are hex numbers ...)
@Bernd
Depending on the function an
MouseMove works in HTML5 standalones, see for example
http://hyperhh.de/html5/RGBPuzzle-8.0.2X.html
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A simple hexagonal grid creating stack:
http://forums.livecode.com/viewtopic.php?p=168657#p168657
You choose the number of rows and columns and, for "scaling",
the horizontal radius and vertical radius of the circumellipses.
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Your IP addresses [0-255].[0-255].[0-255].[0-255]
are the hex IP numbers converted to base 256.
So you may try the following sorting function that
converts the IPs from base 256 to base 10 (decimal).
function ip2dec x
set itemdel to "."
repeat with i=0 to 3
add (item 4-i of x)*256^i to y
> Klaus wrote:
> ... any opinion to the funky behaviour I experienced?
Sorry, I overlooked that you are using LC 9.
With LC 9 in edit mode the SVG widget is here moved with
the mouse even without any script.
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A widget is not an ordinary control.
It is the widget that has to generate messages for user's interaction.
So the widget's author decides whether you can grab it or not. See the
still actual discussion from 2015 here:
http://forums.livecode.com/viewtopic.php?p=126208#p126208
Here a rather complete guide to the "theory" with a link
to implementation guides for several programming languages,
especially, close to LC, JavaScript.
https://www.redblobgames.com/grids/hexagons/
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The scenario Geoff described is roughly to get the
top ten (a handful) of 2000 records comparing a certain
numeric value of each.
To get that unknown value of each one has to go once through
all the records *and then sort* for that ranking.
(LiveCode is very fast with a simple numeric sort!)
Any
Sorry, I forgot to mention Jerry who already proposed to pull out computations
from the inner loop and also to use variables in the inner loop. My experience
says to avoid getting items as often as possible. And to use the random() in the
inner repeat loop instead of in the final sort may be worth
You could try the following:
repeat for each key T in interestArray[uID]
put item 1 of interestArray[uID][T] into i1
put item 2 of interestArray[uID][T] into i2
repeat for each line S in storyArray[T]
put userSeenArray[uID][item 1 of S] into s1
put abs(item 2 of S - i1) into s2
> John P. wrote:
> I have a little HTML5 project that creates some text data in a
> card field. I would like to let my user copy the text created in
> this field out the HTML5 app so that they can paste it into a
> spreadsheet in order to manipulate it.
> Can this be done using an HTML5 app?
You
Uploaded an enhanced version of LC-ImageToolbox that has
Matrix (Convolve up to 7x7) and ColorMatrix available.
This does here on a medium fast machine (2.5 GHz Mac mini)
a 5x5 convolve (e.g. Laplace filter) for a 1920x1080 image
using LC 8 in 1 second, using LC 9 in 850 millisecs!
You can
> Peter B. wrote:
> Crazy question, but is it possible to use a web font within a
> internet-connected LiveCode application?
Of course in a browser widget, but not for use in other LC objects.
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is worth more than money. Perhaps we should create
kind of a LC-developer-fund for emergency help?
Lagi would be the right person to manage such a fund.
I would ask everybody who uses (commercially) one of my widgets etc.
to donate to such a fund, just now to the above sce
is worth more than money. Perhaps we should create
kind of a LC-developer-fund for emergency help?
Lagi would be the right person to manage such a fund.
I would ask everybody who uses (commercially) one of my widgets etc.
to donate to such a fund, just now to the above sce
Never tried to script that. It's *eventually* simple -- as always with LC.
Here again a little bit optimised, changing the size also by the scrollWheel:
-- 1. Don't use a resizestack handler
-- 2. Set resizable of the stack to FALSE
local l0, t0, ff
on mouseDown
put the long id of the target
@Peter
You could try the following (doesn't need a shiftkey down).
Put the following into the stack's script and drag anywhere the
image to resize it and the stack proportionally (topLeft fixed).
-- 1. Don't use any resize stack handler
-- 2. set resizable of the stack to FALSE
local l0, t0, ew,
[Sorry lost above half of my answer.]
You could try the following with user's interaction:
For proportional resizing a stack window
hold the shiftkey down when resizing.
And in card's script add
on resizestack w,h
set rect of img 1 to (0,0,w,h)
end resizestack
For proportional resizing a stack window
hold the shiftkey down when resizing.
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@Brian
Please add your tool also to "Sample Stacks".
This was reworked in the last year and works really fine here.
And it is *very* fast for searching and downloading a stack.
Such wonderful stacks go (somehow) lost in the list or the forum.
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Thanks. Please put this on "Sample Stacks" (there are more visitors there).
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There is a new feature "new window/another canvas" that may help with the
'splash' problem (library stacks).
Regarding audio/video: LC player is not supported. But everything
is possible what's possible in the supported browsers, because you have
the "do as javaScript" feature. Sadly you need
Special thanks for the detailed documentation of changes
in the release notes and also the compact listing here.
> Panos/LCTeam wrote:
>
> 1. New libraries added:
>
> - Amazon Web Services (AWS) Library
> - Android Audio Recorder Library
> - Android Background Audio Library
> - Command-line
Just uploaded "Trace_to_SVG" (MIT license from Potrace).
The stack uses Potrace (by P. Seliger, the "lite" JavaScript version) in a
browser widget with your input. It runs using LC 8/9 on Mac/ Win 7+10/ Ubuntu.
I changed the JavaScript a little bit to use better the power of the "LC-GUI".
You
> Richmond M. wrote:
> There's no "instead", I set the angle on PNG images and they deteriorate.
Did you already try hhMockUp (from "sample stacks")?
I just tried with the LCC 1024x1024 logo.
Simply use the images menu there to import and then select it from that menu.
Works fine:
skewing,
> Richmond M. wrote:
> Not much.
> Luckily I am building images where the part that needs
> rotating is monochrome so that can
> be rendered as an SVG and imported into a widget.
> This is, however, quite beside the point . . .
> The inability of LiveCode to do something that nearly
> every other
Just uploaded a LiveCode Hyphenator.
The stack uses Hyphenator.js (by M. Nater, MIT licensed) in a browser widget
with your input. It runs using LC 8/9 on Mac/ Win 7+10/ Ubuntu.
You get as plain text
1. The hyphenated text (using the selected language patterns) displayed
in a browser widget, the
Read again. Got it now. What you effectively want is the
(current) foreign keyMapping.
This is done by the OS, not gettable by LiveCode AFAIK.
Apple even doesn't has a file to check, Linux and Win have.
Look what they do:
https://wiki.archlinux.org/index.php/Keyboard_configuration_in_console
If I understand correctly what you have in mind then you could
try the following.
Clicking the button will place one copy of numToCodepoint(M)
into both fld 1 and fld 2.
Type into the fields as usual, especially you can delete.
Typing outside the fields ("blind") will put one copy of
space into
> Brian M. wrote:
> My 0.02 is that export should mirror what the engine saves to the stack
> file such that import could exactly recreate an object (with some logic on
> how to handle ID collisions - overwrite, throw error, assign new ID...)
If you are developing and testing a widget this would
["hhMockup" is an enhanced version of the stack I used to produce the demos for
my LCGlobal talk "Perspective and affine transformations of images" in Nov
2017.]
The stack contains a *very fast* version of the perspective image-transformation
given in Raspberry Pi stacks collection #85 (pure LC
> Richard G. wrote:
> What's missing is support for the universal method by which we can
> obtain property info, "the properties" function.
In order to work with a widget you have to know what the single properties
do. I can't see what should be the purpose of such a "full list".
> Given that
> Richard G. wrote:
> I'm suggesting the engine have an enhancement to add the widget-specific info
> to the universally-supported "the properties" info.
It would be possible to simply add all the info that the property inspector
can display. But that can also easily be scripted by the user of
> Richard G. wrote:
> When we query the properties of any object, we get an array that lets us
> understand and even reproduce that object easily.
>
> Except with widgets.
>
> When we query the properties of a widget we get only the subset of
> properties common to all widgets, but none of the
uot;cross-platform-native" widget?
One beyond a "Hello " example?
> BTW HH, thanks for the LBC property sample app you did, it was helpful.
If you mean the Controlkit: It is free, cross-platform, and there are around
100 downloads. Who should live from 100 downloads?
Probably it
> Todd F. wrote:
> I have been in touch with a few people to get their ideas and needs,
> but I wanted to reach out and check with the community.
> At first, wehave decided to focus these for round one:
> Basic Native UI elements, Native Maps
Please start with *cross-platform-native*
So, here is one thing you have to keep in mind:
The same-origin-policy for networking.
http://hyperhh.de/html5/testFetch-9.0.0-dp-7X.html
works with loading images but this one fails:
http://hyperhh.org/html5/testFetch-9.0.0-dp-7X.html
There is no other difference but using .org instead of
The laoding delay is very much dependent on how you configure your
server. If the server is optimized I have here with Safari < 9 secs
for the first load and < 3 secs for a reload, using the server of the
first link below.
The standalones mentioned are here [EU]
Forgot to say:
There are a LOT of improvements in the HTML5 standalone builder from
LC 8.0.2 to 9.0.0-dp10.
It is especially Ian who does a good job in that field.
But it is also a lot of work to recompile older standalones and to
remove work arounds that are no longer needed.
Probably
> JLG wrote:
> The examples I've seen are mostly basic, usually just a one-card stack with
> image
> or graphic manipulations.
What examples if not mine (and the few I link to) did you see? Would be very
glad to know
some more.
> The stack I will be working with will require many cards,
k is "pure" LC Script and runs with LC 6/7/8/9 on Mac/Win/linux.
=
The LC-Magick Collection.
LC-Magick #12 - Before-After-Image (hh)
http://forums.livecode.com/viewtopic.php?p=164067#p164067
LC-Magick #11 - Reflect
or bottom) and the percentage
of the image to be mirrored.
=
The LC-Magick Collection
LC-Magick #11 - ReflectImage (hh)
http://forums.livecode.com/viewtopic.php?p=163935#p163935
LC-Magick #10 - Color Tonality Curve
If you know it *is* utf-8 then (in LC 8/9) it "just works" whether put into
a variable or directly into a field.
But you have to be aware when working with the variable that you have to
use codepoint for conversions for "foreign chars" (e.g. using diacritics).
> Malte P-B. wrote:
> Hi, I am a
Hi Klaus,
the move to "engine" is documented, see specialfolder/engine.
This is the only "logic" way to do that because your "CLI" files are
executables.
That is Mac is correct in docu and building the standalone.
The bug is now either the docu for Win/linux or the not-moving on Win/linux.
>
Added today LC-Magick #10: Color Tonality Curve
Variant 1: Pure LC Script, use it best with LC 6 (slow with LC 8/9).
Variant 2: Uses JS in a (hidden) browser widget for use with LC 8/9.
Variant 1 runs on Mac/ Win 7+10/ linux 32bit with LC 6/7/8/9 and Raspi 6/7.
Variant 2 runs on Mac/ Win 7+10/
> Bob S. wrote
> Better. Not the exact one tho. The dingbat one is thicker.
I didn't name a fontsize.
The one you get in the rtftext (in your case fs20/2=10) is dependent on the
scale of the pdf when you copied the char.
So the size should be related to the surronding textsize both in the pdf
> Bob S. wrote:
> {\rtf1\mac {\fonttbl{\f0\fnil \fcharset77 Wingdings;}{\f1\fnil \fcharset77
> (Message);}}
> {\colortbl;\red0\green0\blue0;}
> \pard \f0 \fs20 \cf1 \u61672?\f1 \fs22 \'00}
So, on Mac it is numToCodepoint(61672) in font "Wingdings"
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> Warren S. wrote:
> The dictionary says: "On OS X systems, you can use the open process
> command to start up an application, but not a Unix process. To work with
> a Unix process, use the shell func instead." That makes me wonder if you
> can only use shell() with ffmpeg.
It is not quite
> Mark T. wrote:
> Geoff Canyon is amazing.
> Thanks for all of your hard work on this very useful plugin.
Yes, thanks a lot Geoff - that's really very useful.
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There is also a forum thread to that problem with an answer
by LC-Mark.
http://forums.livecode.com/viewtopic.php?p=162674#p162674
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I'll answer only question 1 for a first aid.
Leave others to the team.
This is due to the *automatic* compilation by LC 9.0.0-dp11. This is
an idea that only makes sense for code which runs in both LC 8.1.8
and LC 9.0.0-dp11 and for modules that should only be used in LC9.
The result means your
Possibly this is not LC but an Excel update that changed
Excel's default delimiter from tab to comma.
Does comma as delimiter work?
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> Way cool, dude!
> Voll krass, Alter! :-)
Yes. I once was also a young man with curly hair -- like you. are now ...
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> Klaus wrote:
> ... it WORKS, thanks a lot!
How could you doubt that!? :-(
I never post things that I didn't test thoroughly, learned that from 'bn'.
In this case I looked into the script of my next Mac/Win/Linux/Raspi-stack
"timeLapseCamera" which runs since four days without problems.
I have
This is non-blocking:
put tCommandLineUtility && q(tGeneratedFile) into p0
open process p0 for neither -- no need to close that
Don't use quotes for the utility.
You have no feedback with that. That's the advantage of shell.
> Klaus M. wrote:
> Hi friends,
> I have a command line utility which
r downloading the widget and a demo stack use the
[b]hh-widgets-un-installer[/b] from "Sample Stacks" of the LC toolbar
(or http://livecodeshare.runrev.com/stack/842/ )
For an easy build of the controls I made moreover a CONTROLKIT,
see "Sample Stacks" (or http://l
Klaus wrote: ... I only looked for "clear".
You never used that?
This is a symptom for ... (forgot the name of that disease).
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According to dictionary:
"clear chunk" is a synonym to "delete chunk".
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"Fullscreen" never worked for me (other than getting a scaled display).
It was probably not reported since HTML5 deployment is still experimental
(means: It's easier to list what's working than what's not working).
> T.J. wrote:
> I’ve been trying out the fullscreen option (via the checkbox on
Of course sandboxed files only. Getting file locations (or listings) outside
of that is violating privacy. Who is interested in that?
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> Do we have a way to obtain a file path for an image on mobile?
> I see mobilePickImage, but it insists on importing a copy of the
> image, and what I'm really after is a reference to the image file.
Why not set the defaultFolder and use "the files"?
Or use the files()?
> TMHO it is a feature. Another comfort way to bring LC to front:
> Click on a pixel between the toolbar sections (I use "Toolbar Text" only).
>
> ** 1. You have the option to hide the "Toolbar":
>
> [a] by script: hide stack "revMenubar"
> [b] use Menu View: uncheck "Toolbar Text" and uncheck
TMHO it as a feature. Another comfort way to bring LC to front:
Click on a pixel between the toolbar sections (I use "Toolbar Text" only).
** 1. You have the option to hide the "Toolbar":
[a] by script: hide stack "revMenubar"
[b] use Menu View: uncheck "Toolbar Text" and uncheck "Toolbar icons"
machine running with Mint-Cinnamon.
But I work with LiveCode only on Mac or Win. Whenever I make a widget
or use widgets I try for several hours to arrive at workarounds for
the linux version. Only that is a lot of pain -- the upper limit for me.
>> hh wrote:
>> [netbook] ... The problem is
Matthias,
sometimes I use a nearly identical netbook (for example when there is not enough
space for a modern laptop).
I had installed Lubuntu for several months. That *OS* is optimally suited for
such
a netbook. But I removed it. Why?
The problem is LiveCode: The Linux version of LiveCode has
> N.C. wrote:
> What should I be doing?
There is a good tutorial
Step-By-Step Guides To Tasks In LiveCode - Custom Properties
http://lessons.livecode.com/m/4071/c/16763
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> hh wrote:
> You could try to use (respects UCI word boundaries):
> if the num of trueWords in myString is 0
> Works here in LC 7 and later.
Sorry: ICU - International Components for Unicode (not UCI).
>> I use “the number of words in myString = 0” to test whether
>>
You could try to use (respects UCI word boundaries):
if the num of trueWords in myString is 0
Works here in LC 7 and later.
> I use “the number of words in myString = 0” to test whether
> a line of text appears empty, since I want a line with only
> space characters to be understood as empty.
>
Great.
Although the speaker "TBA" with always the same subject "Apply to speak"
will be a bit boring ...
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This is a still very basic TextEdit widget for LC 8 (8.1.5 and later).
>From several reasons I don't publish a LC 9 version of the widget.
[The widget is the 'widget version' of stack "HHTextEdit-Basic".]
It uses libbrowser and essential handlers of the browser widget source.
It has NO
> G.C. wrote:
> Is there a way, given a widget, to find out programmatically what the
> relevant properties of the widget are?
Only the documented ones.
Even the property inspector shows only the "user_visible" ones.
The only possibility I can see is to scan the lcb file (if it is available).
Yet another option.
For a *true* progress animation (no gif) use
https://github.com/HubSpot/pace
That's what I use with my HTML5 demo pages.
For example (with a selfmade LiveCode theme)
http://hh.on-rev.com/html5/SVG2PNG_HTML5-9.0.0-dp-4hhX.html
Instead you could use your own logo for rotating.
Maintain aspect ratio is for resizing the svg object
when resizing the widget.
What you want is probably that the widget resizes its
rectangle *minimally* so that the size of the svg remains
unchanged when rotating. That's not (yet) available in LCB.
But you can compute the needed rectangle and
Yet another option.
1. Put ONCE the loader into a custom property
on mouseUp
answer file "input your loader.gif"
if it is empty then exit mouseUp
put base64Encode(url("binfile:")) into ii
replace linefeed with empty in ii
set the loader of this card to compress(ii)
end mouseUp
-- this
I tested this as follows (what shows that all my presumptions are wrong):
1. Downloaded and installed in the IDE the default iOSFont SF from here
___https://developer.apple.com/fonts/
2. Set the font SF Text Regular for both the field and the dataGrid header
3. Wrote Text (incl. umlauts) directly
If the font you are using (may be some default) in the IDE
1. is not available in the standalone/simulator or
2. available in the standalone/simulator but not identical
(only same names)
then in both cases the standalone uses a font (in case 1 a fallback)
for the datagrid that has obviously
You use the clipboard with different objects.
These objects may have different default font settings and
different default text encodings.
And these default fonts may have different sets of glyphs missing.
Possibly you mave have also to encode the text that you paste.
> lock the clipboard
> set
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