Re: The parlous state of Rounded Rectangular buttons

[Alejandro Tejada]

Richard Gaskin wrote
> If you have a reproducible recipe for an issue preventing you from using 
> the bug report system, please send it via email to support AT runrev.com.

By the way, Richard, Which is your email
as LiveCode Community Manager?

Thanks in advance!

Al





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Backdrop in in 6.7.0 dp2 under Lubuntu Linux 13.10

[Alejandro Tejada]

Read this report:
http://quality.runrev.com/show_bug.cgi?id=11603
Backdrop is not displayed on Linux

LiveCode 6.7.0 dp2, displays a black backdrop under
Lubuntu Linux 13.10.

but LiveCode turns very unstable while displaying
this backdrop...

After turning off this backdrop, LiveCode works fine.
Could you please test this in your own Linux version?

Thanks in advance!

Al




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Re: Changes in LiveCode Image Quality - A comparison

[Alejandro Tejada]

Just added bug report 12307:

http://quality.runrev.com/show_bug.cgi?id=12307

Included this stack that shows a comparison between 
image qualities in different LiveCode versions: 
https://dl.dropboxusercontent.com/u/3834621/LiveCode_Image_Quality_comparison.livecode


Normal Image Quality looks the same as Good Image Quality

1- Download the sample stack 

2- Open the sample stack in LiveCode 7.0 dp2

3- Compare image quality of 7.0 dp2 vs 6.5 series.

After LiveCode 6.6, image quality "normal" and "good" 
looks exactly alike. Not so in previous versions. 

This was bring to my attention by Kenji Kojima 
who, on March 18 2014, wrote in the mail list: 

>Please restore box filtering. 
>It was very useful for making a mosaic image. 
>I loved 6.5 of poor quality image too.

Mr. Kojima use normal quality images in his
multimedia project.

In another thread, he wrote:
>This is a technical note I have developed. 
>http://kenjikojima.com/splitMerge/techNote1.html

>The project "Split/Merge AudioVisual" is here. 
>http://kenjikojima.com/splitMerge/

>If I cannot use the old image filter,
>I have to give up.

This requested change would be just a regression
to a former state.

Have a nice weekend!

Al



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Re: [OT] PhET Interactive Simulations

[Alejandro Tejada]

All these simulations works fine on Windows! :)

Many fine examples of interactive demostrations.

I will figure out how to recreate some of them
in LiveCode (as an exercise in programming).

Have a nice weekend!

Al





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[OT] PhET Interactive Simulations

[Alejandro Tejada]

I would like to run many of these wonderful simulations:

http://phet.colorado.edu/en/simulations/category/new

but they are locking up (crashing?) and each time, I have to
terminate Java in Lubuntu and Firefox falls in a awful recursion
after visiting *.jnlp webpages... :(

Please report if you have more sucess
running these *.jar executables and
opening the jnlp webpages

Thanks in advance!

Al



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Re: playing an mp3 file

[Alejandro Tejada]

Björnke von Gierke wrote
> They'll need quicktime.

Correct. In my computer, I installed the small and non obtrusive
Quicktime Alternative:

http://www.free-codecs.com/download/quicktime_alternative.htm

but if you have plenty of computer memory, disk space, processor
power and internet velocity, use Apple Official QuickTime distribution:

https://www.apple.com/quicktime/download/

Al



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Changes in LiveCode Image Quality - A comparison

[Alejandro Tejada]

Hi All,

on Mar 18, 2014
Kenji Kojima wrote:

>Please restore box filtering. 
>It was very useful for making a mosaic image. 
>I loved 6.5 of poor quality image too. 

After LiveCode 6.6, image quality "normal" and "good"
looks exactly alike. Not so in previous versions. 

This stack shows a comparison between
image qualities in different LiveCode versions:

https://dl.dropboxusercontent.com/u/3834621/LiveCode_Image_Quality_comparison.livecode

Who else, besides Mr. Kojima and me, is affected by this change
in rendering of the image quality?

Thanks in advance!

Al


 



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Re: playing an mp3 file

[Alejandro Tejada]

Could you use an instance of revBrowser to play the mp3?
http://website.lineone.net/~a_tranter/audio.htm



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Re: Using Profiles

[Alejandro Tejada]

What properties could we change using profiles?

Could we change all properties of each object inside a group?
(like changing geometry for different resolutions and stacks orientations)

Could we change the points, ink and fillgradient of a graphic?
(like frames of an animation)

Al



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Re: LiveCode Server Turned To Molasses

[Alejandro Tejada]

Peter W A Wood wrote
> One thing to check is if the machine has lots of
> "zombie" LiveCode processes just in case LiveCode
> is not terminating correctly.

This is exactly what I noticed here, but I could
not create a recipe to catch this bug...


Al





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Re: [Enhancement Request] Open and BackUp in LiveCode DP and RC

[Alejandro Tejada]

Hi Richmond,


Richmond Mathewson-2 wrote
> How about something like this:
> 
> on saveStackRequest
> put (the short name of this stack & the version) into NOM
> put NOM into fld "NOM"
> set the name of this stack to NOM
> pass saveStackRequest
> end saveStackRequest
> 
> Certainly works for me.

Where do you put this handler?
In a frontscript or replacing the IDE original handler?

Al



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Re: Reference Material Discussion Application Architecture Strategies

[Alejandro Tejada]

Does exists a tutorial explaining How To implement MVC
using LiveCode?

http://en.wikipedia.org/wiki/Model%E2%80%93view%E2%80%93controller

Al



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Re: [Enhancement Request] Open and BackUp in LiveCode DP and RC

[Alejandro Tejada]

Then, a plug-in stack would do.

Does LiveCode includes the Engine version in each saved stack?

http://docs.runrev.com/Function/version
http://docs.runrev.com/Property/stackFileVersion

If this is true, then LiveCode could provide a warning
when developers open a stack created with a different
engine version and offers to create a backup.

Just a thought...

Al



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Re: file checksums

[Alejandro Tejada]

How difficult could be to create a custom file (using a stack as basis)
that opens only within a custom player?

This custom file could provide to the custom player an encrypted
checksum. 

Could this actually be more secure?


Al



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[Enhancement Request] Open and BackUp in LiveCode DP and RC

[Alejandro Tejada]

Hi All,

Just added this enhancement request:

http://quality.runrev.com/show_bug.cgi?id=12279


Every announcement of a new LiveCode version includes this message:

WARNING: this is not a stable release. Please ensure you back up your stacks
before testing them.

RunRev could add the following functionality to the File menu in the IDE:

Open and Backup...

This single menu option will:
1) create a zipped or gzipped file of the selected stack and
2) open the stack

The name of every zipped or gzipped stack could include the seconds appended
to the filename.

http://docs.runrev.com/Function/seconds


Please, add your own comments, suggestions and ideas.
Thanks in advance!

Al



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Re: file checksums

[Alejandro Tejada]

Maybe MD5 and SHA-1 are more useful for files 
available in many servers.

What are the chances of hacking many servers
at once?

Al



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Re: Fun with 7.0

[Alejandro Tejada]

Sudden and complete destruction is deeply embedded in
the collective mind of Japanese people, post Hiroshima
and Nagasaki. 

Their Pop culture reflect this fear... Remember Godzilla?

Fukushima Nuclear accident just remembers them of the
reality of these fears. :o

So, yes this a recurrent theme in games and fiction
works from Japan.

Al



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Re: RELEASE: LiveCode 6.7-dp-2

[Alejandro Tejada]

Simon Morecroft wrote
> Has anyone tried using revBrowserOpenCef with authenticated sites?
> Sites that were working (asking for login details) with revBrowserOpen,
> give a blank screen with revBrowserOpenCef.
> Non-authenticated sites are fine using  revBrowserOpenCef

I could enter LinkedIN from revBrowserOpenCef.
Which websites produce errors?



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Re: Fun with 7.0

[Alejandro Tejada]

Dar Scott wrote
> My daughter created this:
> 
> on mouseUp
>set the label of button "ロケットの 打ち上げ" to "自爆スイッチ"
>put "クローン作成プロセスを完成できました。" into field "Status"
> end mouseUp
> 
> Anyway, it is that easy.  Except for learning Japanese; that is the hard
> part.  (She studied a couple semesters in Japan, but she is still
> learning.)

What does it means? :D

Al



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Re: The Missing Link between LiveCode and Teachers

[Alejandro Tejada]

Just read this today:

"some students complained that the course material
was too challenging, especially with a shaky internet
connection."

http://www.ecampusnews.com/curriculum/one-shocking-fact-flipped-learning-matters/3/

Wait and see: Shaky Internet connection
will top the list of student excuses in this
century:
http://www.insidehighered.com/news/2012/08/30/british-lecturer-compiles-best-student-excuses#sthash.R4xLqKuA.dpbs

Even so, teachers would benefit of learning to
create a simple hypermedia project for use
in their classroom.

Al




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Re: RELEASE: LiveCode 6.7-dp-2

[Alejandro Tejada]

About the warning of using backups while testing
Developer Previews and Release Candidates,
RunRev could add the following functionality to the File
menu in the IDE:

Open and Backup...

This single menu option will:

1) create a zipped or gzipped file of the stack and 
2) open the stack

The name of every zipped or gzipped stack
could include the seconds appended
to the filename. 

http://docs.runrev.com/Function/seconds

Who volunteers to post this enhancement request
in the LiveCode Quality Center?

Thanks in advance!

Al



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Re: RELEASE: LiveCode 6.7-dp-2

[Alejandro Tejada]

Michael McCreary wrote:

>12010 - Windows engine hangs after multiple stack redraws.

Ah, this could explains these engine hangs, described in this message:
http://lists.runrev.com/pipermail/use-livecode/2014-April/200987.html



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7 historical decisions that continue to pain programmers

[Alejandro Tejada]

http://www.itworld.com/slideshow/143194/ouch-7-historical-decisions-continue-pain-programmers-408245

1) Unix hides dot files
2) JavaScript uses + for string concatenation
3) Microsoft chooses backslash as path delimiter
4) Python uses indentation to denote blocks 
5) Tony Hoare invents the null reference
6) JavaScript implements semicolon insertion
7) How to represent dates






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Re: listserv integration in forum

[Alejandro Tejada]

If you ask me, all forum messages should be
reposted as new threads to the mail list...  :D 

Why not creating a stack that do this?
A stack that presents both the forums
and mail lists, side by side and allows
to rate the interest of the topics.

A stack like this is way above my own experience
but should be possible for the very experienced
developers in this platform.  8) 

Al



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Image quality changes image size

[Alejandro Tejada]

Hi All,

Could you please verify this very subtle image display bug?

1) Look for a 32 pixel image.
You could download a 32 pixel PNG or JPG icon like:
https://www.iconfinder.com/search/?q=32px&price=free

2) Import this 32 pixel image in a new stack
and resize this really small image as big as 
stack window.

3) Select this image and open the Property Inspector.
change the quality of the image from normal to best.
Notice how the image grew within it's own boundary.
The image do not grows larger, it grew within the
image boundary.
If you use a plain image, instead of a png with alpha channel
you will notice that the image crops against its boundaries.

In my test image of an human eye, the effect is really noticeable.

Please, report if you get different results.
Thanks in advance!

Al



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Re: NEW Amazing revBrowserCef in LiveCode 6.7 (dp1)

[Alejandro Tejada]

Mark Wieder wrote:

> Sadly, there is still no revbrowser on linux.

Chromium Embedded Framework is available for Linux, too:
http://www.magpcss.net/cef_downloads/

Let's keep the hope! :)

Al



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Visual Effects on LiveCode 7 (dp2)

[Alejandro Tejada]

Hi all,

I have been testing all the visual effects in LiveCode 7 dp2
and after playing a series of effects, LiveCode hangs.

You can use this stack in LiveCode format (not *.mc) from: 
https://dl.dropboxusercontent.com/u/3834621/demoMC27.livecode

If your OS or LiveCode version have problems playing sounds then
use this version: 
https://dl.dropboxusercontent.com/u/3834621/demoMC27_no_sounds.livecode

In this stack, click the navigation arrows to visit a card
that lists all visual effects in a field. Follow the instructions 
(Click the eye button) and watch the effect displays
on the card or button. 

This is an old stack, (20 or more years old) so play it isolated... 
Please, post the results of your tests.

Thanks in advance!

Al



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Re: NEW Amazing revBrowserCef in LiveCode 6.7 (dp1)

[Alejandro Tejada]

Hi Martin,


Martin Koob wrote
> I got 380/555 using webkit on Mac OS X 10.8.5.  It shows WebP as not
> supported.

Chromium Embedded Framework is available for Mac OS X:
http://www.magpcss.net/cef_downloads/

Are you using revBrowserOpenCef for this test?

Al






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Re: play video within a stack

[Alejandro Tejada]

Hi Larry,


larry wrote
> Is there a way to link to a YouTube video, but play the video
> within my stack without having to embed the video?

yes, you could use the revbrowser:
http://lists.runrev.com/pipermail/use-livecode/2014-April/200977.html

Have a nice week!

Al



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NEW Amazing revBrowserCef in LiveCode 6.7 (dp1)

[Alejandro Tejada]

YOUR BROWSER SCORES 452 OUT OF 555 POINTS

Interesting enough, Google Chrome 34 scores 503 of 555.

Effectively, this modern browser
component allows to open
webM and static webP images
(not animated webP, yet)
within our stacks.

webP images: 
https://www.gstatic.com/webp/gallery3/1_webp_a.webp
https://www.gstatic.com/webp/gallery3/2_webp_ll.webp
http://www.gstatic.com/webp/gallery/1.webp
http://www.gstatic.com/webp/gallery/4.webp

webP Animation: (do not works inside revBrowserOpenCEF, yet)
https://www.gstatic.com/webp/animated/1.webp
http://downloads.webmproject.org/webp/images/dancing_banana2.lossless.webp

webM video:
http://www.w3schools.com/html/html5_video.asp

Test this new browser really quick:
Open the stack "Browser Sampler"
from the folder "Examples" inside
the folder "Resources" of your
LiveCode 6.7 (dp1) installation.

Open the substack "InetBrowser"
of the stack "Browser Sampler".
In the card script of this substack,
change:
revBrowserOpen
to:
revBrowserOpenCef

Save the substack and hilite
the checkbox Browser ON

Visit:
http://html5test.com/
using revBrowserOpenCef within
LiveCode 6.7 (dp1).

What is the browser score in your platform?

Thanks in advance!

Al









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Re: Problem naming groups with integers

[Alejandro Tejada]

Hi Dar Scott,


Dar Scott wrote
> Yeah, in LiveCode values that even look like numbers 
> (that is, are numerals, strings) or should be numbers
> (the result of arithmetic) are all treated like numbers
> and like strings.  (It is possible to tell the result of
> arithmetic from a string, but essentially, numbers
> and numerals are all the same.)

Your explanation remembers me your tutorial:

A Primer on Message Mechanics. 
http://pages.swcp.com/dsc/freedownload/pmm121.zip

>From your website:
http://pages.swcp.com/dsc/revstacks.html

This module (stack file) is a primer on using send, cancel, 
pendingMessages and callbacks. Those are the basic Revolution 
components needed to get your stacks to do several things at 
the same time. The primer starts from the basics and builds on 
those, providing examples and details along the way. 
It is 88 tiny pages long and if that is not long enough for you,
note that it is set up so you can add your own pages.
It is fun and... It is Free!

Dar, Are you going to update this tutorial with new lLiveCode
messages like: before mouseUp, after mouseUp, etc...

Thanks in advance!

Al




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Re: Vertical Menubar stack

[Alejandro Tejada]

Hi Richmond,

Many Thanks for sharing your stacks! :D

Are you going to expand these palettes to
allow developers include custom tools 
(using front or back script) and insert
custom controls (like groups)?

Al



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Re: LiveCode 7 codepoint question

[Alejandro Tejada]

Dar Scott wrote
> I just quickly added a Japanese keyboard option to my OS X keyboard menu. 
> I selected to Katakana keyboard and typed in DO in a LiveCode field.  It
> was one codepoint and one character.  I don’t know how to type the voicing
> mark separately.  

Then, looks like Ubuntu is the only OS that do not
allows to type japanese in a LiveCode field.
(notice that other apps do not show this problem)

http://runtime-revolution.278305.n4.nabble.com/LiveCode-7-0-input-Japanese-text-on-Ubuntu-td4678310.html

Al



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Re: LiveCode 7 codepoint question

[Alejandro Tejada]

Dar Scott wrote
> [snip]
>put numToCodepoint( 0x30C8 ) into kto
>put numToCodepoint( 0x30C9 ) into kdo
>put numToCodepoint( 0x3099 ) into kVoiceMark
>put numToCodepoint( 0xFF9E ) into kHalfVoiceMark
>put kto & kVoiceMark into kdoAlt1
>put length(kdoAlt1) into kdoAlt1N
>put kto & kHalfVoiceMark into kdoAlt2
>put length(kdoAlt2) into kdoAlt2N
>put kto & tab & kdo & tab & kdoAlt1 & tab & kdoAlt1N & tab & kdoAlt2 &
> tab & kdoAlt2N
> [snip]

Does this means that the only way to write Japanese
in a field is using a script (or pasting the characters
from the clipboard)?

Al



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Re: Need help with making a polygon look totally flat

[Alejandro Tejada]

Hi Jonathan,

I am not a Mac or iOS user. Could you post
a screenshot of the non flat polygon?

Maybe, we could check if this appears on
Windows, Linux and Android, too.

Thanks in advance!

Al




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Re: webP, VP8, Skia and LiveCode

[Alejandro Tejada]

Richmond Mathewson-2 wrote
> http://quality.runrev.com/show_bug.cgi?id=12242

Many Thanks! :D

by the way:

"In addition a new browser component based on CEF
(Chromium Embedded Framework) has been added.
This new browser allows for a consistent appearance
across all platforms with a modern, well supported
feature set.

To use the new CEF browser use the revBrowserOpenCef
command in place of revBrowserOpen. This will create a
CEF browser instance which can be used with the existing
revBrowser commands and functions in exactly the same
way as before."

By the way, LiveCode should be included in this list
of apps who use this framework:
http://en.wikipedia.org/wiki/Chromium_Embedded_Framework

Who could test if RevBrowser in LiveCode 7.0.0 DP2
actually opens webP images? 
Could play webP animations and webM movies?

Visit http://html5test.com/ within RevBrowserCEF
and post your results.

webP images:
https://www.gstatic.com/webp/gallery3/1_webp_a.webp
https://www.gstatic.com/webp/gallery3/2_webp_ll.webp
http://www.gstatic.com/webp/gallery/1.webp
http://www.gstatic.com/webp/gallery/4.webp

webP Animation:
https://www.gstatic.com/webp/animated/1.webp
http://downloads.webmproject.org/webp/images/dancing_banana2.lossless.webp

Al



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LiveCode User Guide

[Alejandro Tejada]

Hi All,

Today, I started transcribing and formatting a spanish
translation of LiveCode User Guide, revision 19 (2010.11.09)

You could find this PDF user guide within the Documentation folder 
within your LiveCode installation. (inside a folder named "pdf")

Although I have recorded the translation in a digital recorder,
the transcription process will change the original translation
and formatting will change again the text.

In spanish there are at least four similar, but different
translations of the XTalk language and paradigm. 

1) Spain
2) Mexico and Central America
3) Colombia, Venezuela, Peru, Ecuador
4) Chile, Argentina, Uruguay

Look at the map (En donde estamos) in this webpage:
http://livecodela.com/

This translation is not specifically aligned 
with any of these four interpretations. Even
so, readers from these regions will find it useful
(hopefully). 

The purpose of formatting this translation is to
make the resulting pdf looks exactly as the original
english version.

For this, it's necessary to update many screenshots
and some portions of the text. A little help from
my mail list friends could help very much.

My questions are:

1) Could each developer in this mail list, review 
the LiveCode User Guide and make suggestions 
about which specific parts to update?

2) Could you post matching screenshots from
your platform? (matching with the screenshots
used in Livecode User Guide)

Thanks in advance.

Al



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Re: digital signage / ticker tape

[Alejandro Tejada]

J. Landman Gay wrote
> There are two basic ways to do this:
> 
> 1. Put the text into a field and move the field. The "move" command 
> should do this efficiently, or you can use animation engine. When the 
> right edge of the field goes off the left edge of the stack, reposition 
> it with its left edge at the right side of the stack and move it again. 
> This produces a smooth glide.
> 
> 2. Put the text into a field with enough leading spaces to visually push 
> the actual text off the right edge of the field. Adjust the text 
> repeatedly by removing the leading character and placing it at the end 
> of the field text. This method produces an effect more like a stock 
> ticker, where the text jumps from one position to the next (the way LED 
> lights would work.)
> 
> Both are pretty easy to script. In either case, you'll need a field with 
> at least locktext and dontwrap set to true.

This tutorial published by Faber could be helpful too:
http://livecodela.com/2014/01/04/fondos-animados-para-sus-juegos/

Al



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Re: digital signage / ticker tape

[Alejandro Tejada]

Hi Jose,

Yesterday, April 17 2014, Richard Gaskin posted this link
in another thread:

http://forums.runrev.com/viewtopic.php?f=76&t=19248

"The Raspberry Pi is helping young people all over the world understand 
that computing isn't some rarefied special thing other people make and 
we merely use, but instead computing is cheap, ubiquitous, and something 
we all can make.  The 21st century isn't about users, it belongs to makers. 

In that thread Hermann has been posting a series of stacks designed 
specifically to run on the Pi build of LiveCode.  Beautiful work, 
thoughtfully crafted."

About Raspberry Pi and digital signage:
http://www.sixteen-nine.net/2013/12/13/10-slices-raspberry-pi-digital-signage/

Have a nice weekend!

Al



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Re: webP, VP8, Skia and LiveCode

[Alejandro Tejada]

Richmond Mathewson-2 wrote
> [snip]
> "It would be marvellous if Livecode was not restricted to JPG, PNG, BMP 
> and a few other fairly obscure and outdated image formats (PBM anyone?) 
> [snip]

Actually, I use PBM and PNM in this Interface to Potrace:

http://runtime-revolution.278305.n4.nabble.com/Looking-for-Windows-testers-for-Potrace-Interface-td3896765.html



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Re: webP, VP8, Skia and LiveCode

[Alejandro Tejada]

There is a Windows plugin for GIMP:
http://registry.gimp.org/taxonomy/term/1294
and you already posted how to compile the GIMP plug-in in Ubuntu.

According to this webpage, there are many bitmap editors that supports webP:
http://en.wikipedia.org/wiki/WebP

Picozu  Web Image editor
Acorn   Image editor
Adobe Photoshop Image editor(plugin)
Corel PhotopaintImage editor(plugin)
GIMPImage editor(plugin)
GraphicConverterImage editor
Paint.Net   Image editor(plugin)
ImageMagick Image editor
PhotoLine   Image editor
Pixelmator  Image editor
RealWorld Paint Image editor
GraphvizGraph visualization 
FileOptimizer   Tool
PentaSuite  PDF creation suite  
FastPictureViewer   Image viewer(Google WebP WIC Codec[36])
XnView  Image viewer
IrfanView   Image viewer
gThumb  Image Viewer 


By the way, Richmmond, 
Could you write this enhancement request
in LiveCode Quality Control Center?

http://quality.runrev.com/


Thanks in advance! :D

Al




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Re: Horizontal revTools stack

[Alejandro Tejada]

In which versions of LiveCode this palette runs?

Al



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Re: webP, VP8, Skia and LiveCode

[Alejandro Tejada]

In this webpage, we could find the latest versions of
Google's webP encoder, decoder, etc, etc, etc...

https://developers.google.com/speed/webp/download

Latest version is libwebp-0.4.0-linux-x86-32.tar.gz

https://webp.googlecode.com/files/libwebp-0.4.0-linux-x86-32.tar.gz



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Re: webP, VP8, Skia and LiveCode

[Alejandro Tejada]

Yes, Klaus. and according to Google, it's just 1500 lines of code
(probably less than 1k or 2k additional to the engine)

https://developers.google.com/speed/webp/faq#why_should_i_use_animated_webp



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Re: webP, VP8, Skia and LiveCode

[Alejandro Tejada]

Interesting enough, animated webP supports
8 bit transparency (like PNG) and lossy compression
like JPEG:

http://blog.chromium.org/2013/11/chrome-32-beta-animated-webp-images-and.html

Al




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webP, VP8, Skia and LiveCode

[Alejandro Tejada]

on Oct 04, 2010,
Richmmond wrote:

http://code.google.com/speed/webp/download.html
Is this just Google trying to extend its imperialistic influence 
even further, or is this s serious competitor up against 
PNG and GIF? 
Is RunRev/LiveCode going to be able to import and export WebP 
in a future recension? 

http://runtime-revolution.278305.n4.nabble.com/OT-is-WebP-going-anywhere-and-if-it-is-how-will-LiveCode-cope-with-it-td2954594.html

Hi All,

After reading a lot about Hypermedia, Multimedia and Multi-platform
development, I found myself thinking about font metrics and
image formats. Each one of us have found these issues in
the most unexpected moment: text that is too large or too
small for it's container... images too light or too dark.

Then, I though, Why not use high resolution png (300 dpi)
instead of fields with text?

File size. Compressed png file size. That would be
a big problem.

Eventually, I found this article that actually recommends to use webP:
http://mainroach.blogspot.com/2013/09/png-compression-5-simple-improvements.html

and the next logical though is: 
Given that Skia is supported by Google, just like VP8 and webP...
How long would take for RunRev to add support for both
image and video file formats in LiveCode?

If there is an open debate, I vote YES to include both open 
source formats among the media used inside LiveCode stacks.

Al




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Re: The Missing Link between LiveCode and Teachers

[Alejandro Tejada]

Paul Dupuis wrote
> I recently made a number of inquires in and around the greater Boston
> (MA, US) area for any classes that are teaching LiveCode at any of the
> area colleges or universities. Sadly, in the greater Boston area, one of
> the places with more colleges and universities per square mile than
> almost any where else in the world, there seems to be NO programming,
> (or multimedia, hypermedia, etc.) classes being taught using LiveCode.
> Boston College used to, but the faculty member who taught LiveCode
> retired several years ago and the chairman of the department tells me
> there are no current courses using LiveCode.

as I wrote previously, while commenting Richard's message:

It's a fact that in most places (not all places), people just repeat
what have been done previously. And this repetition  is 
(frecuently) of lesser quality than previous accomplishments. 

Many of us, in the place where each lives, have visited schools that years
ago 
have been the best in their district, applying the technology in the
classroom. 
Today, these same schools have fallen in routines that do not 
allow them to keep with the pace of new opportunities opened 
by new (and cheaper) technologies. (like phones and tablets)


Paul Dupuis wrote
> In part I was doing this out of curiosity as I was exploring potentially
> hiring a college programming student for a small, one-off project in
> LiveCode or even see if I could find an Faculty member with an
> interested grad student who might like to collaborate for college
> credit. I even asked RunRev for help in pointing me in the right
> direction based on their awareness of license sold to area universities.
> I was surprised not to find anyone. That said, as RunRev itself pointed
> out to me, with the Open Source version, it means people could be
> teaching LiveCode and RunRev would have no awareness. And while I have a
> lot of contacts in the higher-education community in this area, I did
> not exhaustively check every school in the area.

If your project is very labor intensive, like formatting text, images and 
graphics in many cards of a stack, maybe a graphic designer student
would have been really useful too. 

In this mail list and Runrev forums, you find the best LiveCode programmers  
and most of them are really eager to help a fellow LiveCoder. :)
  

Paul Dupuis wrote
> I'd love to see, and help with, any efforts to get more people teaching
> LiveCode and even more so, collect awareness of those courses into some
> visible place on the web.

Yes, like UMich HyperCard repository, but in this case, a RunRev controled
website where only students and teachers upload their open source
stacks to download for free.

Of course, these stacks must be checked in advance to avoid
the possibility of malware infection.
(For example, stacks posted in this repositories should not try to
download resources from the internet, write to registry or launch
webpages and other applications, etc).

Al



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Re: The Missing Link between LiveCode and Teachers

[Alejandro Tejada]

Jeff Reynolds wrote:
 

Jeff Reynolds-3 wrote
> this is all so true. I have this issue in educational media publishers as
> they all want everything on the web but i still get constant feedback from
> teachers that they like to have a cdrom in their hand to base their
> curriculum on rather than a web site. Why? Because websites with content,
> even those subscription based ones from publishers tend to go poof fast.
> Even publishers tend to start ignoring titles after just a few years. If
> teachers want to base curriculums on certain content they want it there
> for many years to pay off the investment and not have to be continually
> changing things. High bandwidth or any bandwidth at all is also an issue
> in many schools still. Hypermedia works so much better for this delivery
> than browser based approaches. Unfortunately though publisher just think
> this direction is dead and distributors as well so almost impossible to go
> down that route anymore. But the issue of web based materials getting
> quickly forgotten and breaking in new browser revs or just disappearing
> still goes on.

Do you know why this happens?
Because these "disappearing" supporting websites
actually makes perfect "business sense"...
As simply like that. :(

I have not think about this previously, but from now on,
will be really careful about these  "disappearing"
supporting websites.

Thanks for pointing this.


Jeff Reynolds-3 wrote
> This also goes for kids producing their own media projects. Hypermedia
> like livecode work so much better at letting the kids do their own thing
> both in versatility and also in teaching more basic programming logic and
> content layout than doing web pages. While some assignments worked well in
> the classroom lab environment (I taught multimedia for a year in my old
> high school to fill in) and is a useful skill, only a small subset of the
> overall curriculum assignments that we adapted to doing with multimedia
> approach worked well with web sites. Even traditional page layout was well
> suited for some assignments as it got the kids thinking into how to
> present the standard assignment content in a different manner and really
> think thru the content not just spit it back. But hypermedia was the king
> for really getting the kids involved in larger projects and team efforts.

The perfect example of this was the Gallery of winners of Multimedia Mania:
http://www.ncsu.edu/mmania/winners.html

Sadly enough, Multimedia Mania does not exists anymore for lack
of corporate supporters.
http://www.ncsu.edu/mmania/

When I was a member of HyperSIG, I ask them:
Could we actually make Multimedia Mania an International Contest?
Never get an answer back...

Al




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Re: The Missing Link between LiveCode and Teachers

[Alejandro Tejada]

Richard Gaskin wrote:


Richard Gaskin wrote
> I recently corresponded with Dr. Robert Horn, whose book "Mapping 
> Hypertext" was one of my favorites back when it was first published in 
> '89.  The problems designers were facing back then were very new, and 
> Horn's richly-illustrated book covered the cognitive and technical 
> aspects of creating navigable hypermedia.

Richard, many thanks for pointing to this book. The author still receives
raves reviews
25 years after publishing his outstanding work:
http://www.amazon.com/Mapping-Hypertext-Organization-Knowledge-Generation/dp/0962556505


Richard Gaskin wrote
> When I first started Fourth World my company description was "Hypermedia 
> Development Tools". Around the turn of the century I changed the 
> description, because even by 2000 the word "hypermedia" was sounding
> dated.
> Today hypermedia is alive and well, bigger than ever really, just under 
> a different name: the Web.
> In the 25 years since Horn's book so much has happened.  Decades of 
> familiarity with hyperspace, first in HyperCard, then in other xTalks, 
> then in the Web, has made most folks using computers today almost 
> uncannily comfortable with mentally mapping non-linear hyperlinked media.

The big problem is: for most teachers and schools, creating and maintaining
a webpage (or a complete website) is many times more difficult than
creating and distributing stacks among students.

http://www.scmagazine.com/education-sector-most-affected-by-malware/article/180337/

Possibly, Mark Greenberg could confirm this fact:
http://mistergreenberg.com/Games/MrGreenbergsGames.html
http://www.nytimes.com/2004/08/19/technology/circuits/19teac.html 

I tried to entice teachers to create a single stack to help
their students to learn the most difficult topic in their classes.
Just a single stack to teach one topic, but teachers wanted
to be compensated for creating this teaching aid for their classes
and their students... How do you compensate a teacher for this?


Richard Gaskin wrote
> I do think you're onto something important.  My only reluctance is to 
> use the word "hypermedia" in any contemporary context, as it's a lot 
> like trying to discuss water with fish - they have no concept of what it 
> is as distinct from anything else because they're so familiar with it.
> Education, or more broadly, knowledge transfer, is the key to a better 
> future, not just for the learner but for the economy and even 
> civilization as a whole.
> The power of computing to assist mental tasks, along with the global 
> interconnectedness computers are so adept at helping people do these 
> days, offer nearly unlimited potential to improve knowledge transfer 
> beyond anything previously conceivable.

Yes, I agree. But it's a fact that in most places (not all places),
people just repeat what have been done previously. And this repetition
is (frecuently) of lesser quality than previous accomplishments.

Many of us, in the place where each lives, have visited schools that years
ago
have been the best in their district, applying the technology in the
classroom.
Today, these same schools have fallen in routines that do not
allow them to keep with the pace of new opportunities opened
by new (and cheaper) technologies.


Richard Gaskin wrote
> And of course as a LiveCode fanboy, it seems to me that having a 
> programming language that makes true ownership of both local and global 
> computing accessible to anyone with a few weeks' time to invest in 
> learning it has the potential to be a major catalyst as this 
> still-nascent Internet Era unfolds.
> When LC had their Kickstarter last year I reached out to pretty much 
> everyone I knew from the old "hypermedia" days, and even a few I'd only 
> heard of.  At this point they're either using LC, considering it, or are 
> invested in something else.
> I think the biggest potential for helping the world realize the role 
> LiveCode can play in knowledge transfer today is to look in the opposite 
> direction:  the next generation.

When I contacted the authors of some of the articles and publications
that I found in EBSCO, asking for the original software named in
their paper, they send me a HyperCard stack... without the
resource fork. Every Mac user knows what this means. :(

For this reason, I think that it is a good idea to write them
and ask if they want to try LiveCode. Next time, when they
receive a request about the software named in their articles,
they could send a LiveCode stack, instead of a damaged
HyperCard stack...


Richard Gaskin wrote
> As one example of a powerful intersection of interests coming together 
> well, check out this thread in the forums:
> ;
> The Raspberry Pi is helping young people all over the world understand 
> that computing isn't some rarefied special thing other people make and 
> we merely use, but instead computing is cheap, ubiquitous, and something 
> we all can mak

Re: LiveCode 7.0 input Japanese text on Ubuntu

[Alejandro Tejada]

Kenji Kojima wrote
> Did anybody try to input Japanese text into
> Linux version LiveCode7.0.0(dp2)?
> [snip]

Do not work either in Lubuntu 13.10,
using Japanese-Anthy.

Works fine in other applications.

Al



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The Missing Link between LiveCode and Teachers

[Alejandro Tejada]

The Missing Link between LiveCode and Teachers is
Hypermedia Learning.

Recently, I was consulting EBSCO database:

http://search.ebscohost.com/

for articles and publications about
Hypermedia.

Surprisingly, most of these articles have been
written from 1988 to 1995 and uses the Macintosh
and HyperCard as their role model for hypermedia
explanations and implementation.

After 1995, multi-platform web browsers
opened the internet frontier and hypermedia
learning and teaching was relegated to
a second plane. The big problems was:
NOT EVERYONE had an internet connection.
Still today, this is true in most parts of the
world. Maybe not in your neighborhood, but
this is true in most parts of the world

Today, April 2014, one of the hottest topics
in education is the "gamification of learning" 
but...
How could a teacher have the skills to
create a game for their classes, if her/him
do not even know the basics of hypermedia
creation?

My request to Kevin&Co. (RunRev) and Richard,
as Community Manager is:
Contact by email every author of Hypermedia
books, article, tutorial and publication.
Request them to test and use LiveCode
as a Hypermedia learning tool and send
directly to the mothership their comments
about the suitability of LiveCode for 
this specific task.

I am sure that many of them will be
surprised by the capabilities and
easy of use of this platform.

Probably, some of them will want to
update their publications using
LiveCode as model.

What do you think?

Al















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Re: The Hammer Principle - The right tool for the job

[Alejandro Tejada]

Richmond Mathewson-2 wrote
> Well, I just sent the chap this to his e-mail ("Contact" at bottom of
> page):
> This is my Hammer of choice:
> http://livecode.com/download/
> Please include it in your list.
> Best, Richmond Mathewson B.A. (Dunelm), M.A. (SIUC), M.Sc. (Abertay).

Great! Many thanks. :)

Al



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The Hammer Principle - The right tool for the job

[Alejandro Tejada]

In this webpage, there is an open place for LiveCode:

http://hammerprinciple.com/therighttool

"We all talk about using the right tool for the job in
the context of programming items. But which job?
And what's the right tool for it?
I want your help in determining the answer for this."

All statements in this webpage remembers me
the endless debates about every programming
language in existence.

You could laugh:
http://hammerprinciple.com/therighttool/statements/i-often-get-angry-when-writing-code-in-this-langua

or cry:
http://hammerprinciple.com/therighttool/statements/i-would-recommend-most-programmers-learn-this-lang

How could we request the inclusion of LiveCode among the
programming languages of this webpage?

Al





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Re: Dramatic slowdown while resizing images by script

[Alejandro Tejada]

On Friday 11-04-2014, Mark Waddingham wrote:

Thanks for the report.

I can confirm the slow-down - this is due to the changes to image filtering
we
made in 6.6. We need to revise that slightly I think as 'normal' now does
some
filtering on all platforms where as before it was a box filter on Mac and a
nearest filter on other platforms. (The 'normal' filter now appears to be a
fair bit slower).

I suspect the faint lines (I noticed some black ones in 6.5.2) are related
to
the cases where the space for the nested scaled image is not quite the right
size - you can only set image objects to pixel boundaries, and it could be
some
of the black holes in the images when scaled to certain sizes are no longer
aligned on pixel boundaries.

[ i.e. If hole is 30 x 30, and you scale 25%, the whole will be 7.5x7.5 - so
if
your original nested image is 30x30 and you scale down by 25% it will end up
being 7x7 and so leave a slight border ].

It is likely that the filtering in 6.6 is exacerbating this problem though.

Warmest Regards,

Mark.



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Re: 7.0 dp 2 still not much cop on Linux

[Alejandro Tejada]

Hi Richmmond,


Warren Samples wrote
> On 04/10/2014 12:18 PM, Richmond wrote:
>> The problem I pointed out in DP1 is still there with the dictionary:
>> Not possible to type into the search field of the Dictionary.
>> UbuntuStudio 14.04

I don't see this problem on my system: Lubuntu 13.10



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Re: The Revenge of Buffer Overflows

[Alejandro Tejada]

And finally:
http://mashable.com/2014/04/10/heartbleed-programmer/

"Programmer Robin Seggelmann says he wrote the code for 
the part of OpenSSL that led to Heartbleed. But it was an accident. 
He submitted the code to the OpenSSL project and other members 
reviewed it. Seggelmann later added another piece of code for a 
new feature, which the members then added. It was this added 
feature that introduced the bug."

"It would be better if more people helped improving it," Seggelmann 
told Mashable via email. "It doesn’t really matter if companies 
benefitting from it provided some support, or if people do it in 
their spare time. However, if everybody just keeps using it and 
thinks somebody else will eventually take care of it, it won’t work. 
The more people look at it, the less likely errors like this occur."




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Re: The Revenge of Buffer Overflows

[Alejandro Tejada]

Richard Gaskin wrote
> Scott Raney's opinion on buffer overflows:
>  metacard@.runrev

> /msg02659.html>

Many thanks for posting this message from Scott Raney.
>From this message, I found the Top 25 software errors:
http://www.sans.org/top25-software-errors/

And Buffer Overflows is at the top in his category:
Risky Resource Management

http://cwe.mitre.org/top25/index.html#CWE-120

This incident just generates more questions:

Who made this specific change in the OpenSSL code?
Did he actually knew the consequences of the
changes that he committed?
Why nobody else noticed, until now?
Who knows what evil lurks in the source of trusted software?

Al






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The Revenge of Buffer Overflows

[Alejandro Tejada]

A single line of code:

memcpy(bp, pl, payload);

produced a data breach of
unexpected consequences...

http://gizmodo.com/how-heartbleed-works-the-code-behind-the-internets-se-1561341209/all




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Re: Dramatic slowdown while resizing images by script

[Alejandro Tejada]

Kenji Kojima wrote
> Thanks Alejandro
> This is a technical note I have developed.
> http://kenjikojima.com/splitMerge/techNote1.html
> 
> The project “Split/Merge AudioVisual” is here.
> http://kenjikojima.com/splitMerge/
> 
> If I cannot use the old image filter, I have to give up. 

Your audiovisual project is wonderful.
A real mind opening experience.

After converting successfully images in sounds,
Have you tried converting sounds in images?

I hope that you find the way to compile this application
for Linux and Windows, too.

Just for curiosity, Have you tried to recreate
Mozart Dice Game in LiveCode?

http://www.pianonoise.com/Article.dice.htm

http://scratch.mit.edu/projects/1516316/
(This Flash movie is 5 megabytes, so it takes
a while to load)

I am sure that RunRev will solve this slowdown.
Keep Up your groundbreaking work!

Al



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Dramatic slowdown while resizing images by script

[Alejandro Tejada]

Hi All,

Please, review this new bug report:
http://quality.runrev.com/show_bug.cgi?id=12148
Add your comments and demonstration stacks to
this report.

Created attachment 4113 [details]
Infinite Zoom 2014.livecode
(Stack with images that zoom in or zoom out on mousedown)

1. Download the zipped sample stack

2. Open the stack in LiveCode 6.6

3. The stack opens in full screen. Using the keys alt-tab bring to front the
   LiveCode menu

4. Check the card script, before running.

5. To run the infinite zoom effect, click and hold down the mouse pointer
   near the left side of the card (zoom in) or
   near the right side of the card (zoom out)

6. Notice how the effect of resizing the images is slow and moves
   step by step.

7. Notice the faint line in the border of every image, barely visible.
   This border effectively breaks the illusion of a single continuous
   and infinite image.

8. Follow the previous steps using LiveCode 6.5.2
   The stack runs perfectly. There is no trace of these
   faint lines in image borders.

9. These marked differences in image processing speed was noticed
   by Kenji Kojima in this message:
   http://lists.runrev.com/pipermail/use-livecode/2014-March/199672.html

Have a nice day!

Al

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Re: of possible Android interest

[Alejandro Tejada]

Interesting enough, just wondering
if you know the answer:

How could they offer such low prices?

a) No manufacturer warranty (or just 1 month)
b) Using sub-standard (or discarded) electronic components
c) Dumping tactics from manufacturers
d) All previous choices
e) None of previous choices
f) Other... __-





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Re: One step beyond

[Alejandro Tejada]

Hi Richmond,

Really nice! :-D
Could you add a prize, besides the blinking "Jackpot" image?

For example, use a visual effect to display a random message:
http://ming.tv/flemming2.php/__show_article/_a10-001643.htm

Al



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A complete and general index of handlers, commands and functions

[Alejandro Tejada]

Hi All,

I have been looking (without success) in mail list's archives,
forums and within my own stack's archives a LiveCode's 
implementation of Fast Fourier Transform.

A FFT function was not found among math library's functions of joneslib
stack:
http://www.rsmas.miami.edu/personal/djones/metacard/joneslib.mc

Searching the web, the FFT and LiveCode only appears in this article:
http://newsletters.livecode.com/june/issue50/newsletter1.php

I am sure that a fast fourier transform function is hidden among 
one of many thousands of stacks published since 1992...

Does exists a complete and general index of published handlers,
commands and functions of public access through the web?

Al







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Re: Any super-simple way to texture a sphere?

[Alejandro Tejada]

This is a very useful collection of image processing source code!
http://www.csse.uwa.edu.au/~pk/research/matlabfns/

For example:
http://www.csse.uwa.edu.au/~pk/research/matlabfns/Misc/noiseonf.m

noiseonf.m 
generates noise images with specified amplitude spectra. 
One can create pleasing cloud pattern images this way.

This is very similar to the image filter employed in this tutorial:
http://www.youtube.com/watch?v=aEs9BPYA9Ks

Perlin noise and Simplex noise could works fine, too.

This is a javascript implementation:
https://gist.github.com/banksean/304522

http://en.wikipedia.org/wiki/Perlin_noise
http://en.wikipedia.org/wiki/Simplex_noise

Al




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Re: Any super-simple way to texture a sphere?

[Alejandro Tejada]

Hi Geoff,

After using PhotoRoom, written by Chris Bodell, I believe that 
you could create all images on the fly, by script, within
your own program. :D

http://ftp.runrev.com/forums/viewtopic.php?f=10&t=9490
https://skydrive.live.com/?cid=303263e8a35c7594&sc=documents&uc=1&id=303263E8A35C7594%21112#

All that is needed is a small push in the correct direction 
from LiveCode's experts in the creation of bitmaps by scripts. 

The following Space Art links could be really useful 
in the creation of these LiveCode image algorithms.

http://registry.gimp.org/node/297

SpaceScape Script

This Script Generates a SpaceScape (StarScape)   
a deep space picture with stars and space dust clouds.
You can determine the aspects of the space dust clouds, 
the color, the image size and the amount of detail.

http://registry.gimp.org/node/2352
gimp-plugin-astronomy

A set of plugins and scripts for astronomical image processing
Not intended for scientific image processing, due to gimp's 8bit 
depth restriction (for "pretty pictures" only).

Create an artificial galaxy. Only elliptical galaxies yet.
Create artificial stars: Using different star distributions, splitted into 
background, object and foreground stars.

http://registry.gimp.org/node/24798

Stars in the sky
This script-fu makes a sky with millions sparkling stars in a new layer. 
The layer's dimensions, the star's spikes' length and the flare intensity 
can be changed. The script is based on this tutorial.
This script is useful for create Space Art images, because the stars 
are convincing.

http://registry.gimp.org/node/8172
Make Your Own Planet - Script of MarvinX's Tutorial - 
Updated for Gimp 2.6

This script automates many of the steps in MarvinX's fantastic 
"Make a Planet" tutorial, with a couple of added features. 
There is an atmospheric haze around the planet, and there are 
stars on the background layer. This script does not do the IWarp step. 
I leave that to the individual user to make wherever they want.. 
Everything else is in here.
After the script is done running, you can manually adjust the hue 
and saturation to get the planet the color you would like. 
There is also an option to make the planet more earth-like 
(using the Land and Sea gradient on the Clouds Layer.) 
The sun shadow is also optional.
Enjoy!

http://www.gimptalk.com/index.php?showtopic=5128
http://registry.gimp.org/node/21

Planet Render
Creates a planet lit on one side, with some kind of atmosphere glow. 
The size and color of the planet as well as the angle for the light can be
set.

Al




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[OT] Social Engineering against the common sense

[Alejandro Tejada]

Read and believe:
http://thenextweb.com/socialmedia/2014/01/29/lost-5-twitter-username/

Something like this would not happen again. 
Correct?
Never again... 

:(

Al





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fullScreenMode causes clipped fonts on Ubuntu Linux

[Alejandro Tejada]

This Zip file (1.12 MB) contains a Folder with One Stack and 
Two PNG images showing bug.

https://dl.dropboxusercontent.com/u/3834621/LiveCode_Clipped_Text_in_FullScreenMode.zip

1) Open the attached stack "Learn_Hiragana.livecode"
2) Click the checkbox button "Full Screen" (at the right side of stack)
3) Notice clipped text, similar to the screenshots attached.

Post back if your results are different.
Thanks in advance!

Al



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Testing stacks in LiveCode 6.5.x

[Alejandro Tejada]

Hi All,

How many of you are testing stacks
from your archives in LiveCode 6.5.x?

I have a lot of stacks in my backups
(published by all of you) and have found
that some issues raised and demostrated
in previous LiveCode versions have simply
vanished in the most recent version.

For example:
Recently, using Lubuntu 13.10, I discovered that a stack posted in 
a forum thread by Luisa Alvaro Klose, back in 2011, now renders 
EXACTLY as the Lingo and Photoshop examples that she posted.

http://forums.runrev.com/viewtopic.php?f=32&t=8993

Test this by yourself. Download the file named "Image_Effects.zip"
from a message in page 1 of this thread and test the stack
using LiveCode 6.5.x.

http://forums.runrev.com/download/file.php?id=932

I found no differences, using a Posterization of 6, with the 
Photoshop and Director's image posted in page 1 of this same
thread.

If your results differ, please post back.

Al




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Re: Go to card [with effects] is slow on Android

[Alejandro Tejada]

Hi Roger,


Roger Eller wrote
> [snip]
> I opened demoMC27_no_sounds.livecode in LC 6.5.2 RC1 and added a
> preOpenStack containing set the fullscreenmode of this stack to
> "ExactFit",
> then I clicked Test.  It opened fine on my tablet
> [snip]
> Speed was ok for a demo, but for an interactive
> app like mobile users have come to expect, the transitions still feel slow
> to me.

Could you post a download link for this APK to test in other 
Android devices?

Recently, Andy Parng published his game "Battles of Chinese Zodiac"
for iOS and Android (http://www.parng.com/cz-en.html)
and I found it too fast, even in the Basic Mode.

I will write him about this and other ideas to make
it more entertaining... :D

Thanks in advance!

Al



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Re: Go to card [with effects] is slow on Android

[Alejandro Tejada]

Roger Eller wrote
> [snip]
> I didn't mention that my buttons are "Option groups" (acting as
> buttons), so I replaced the hilite part with:
> send "mouseDown" to group "Option1"
> -- only changes which option in a cluster is selected
> Overall, it feels a bit faster than before, but still laggy compared to
> other apps I've downloaded from the Google Play Store.  
> Thank you for the tips!

Change the layer mode of this group "Option1" from static 
to dynamic and test again. Post your results.

http://livecode.wikia.com/wiki/Layer_mode

Al



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Re: Using live Code in English primary Schools

[Alejandro Tejada]

And this:

http://livecode.com/community/teaching-with-livecode/schools/

http://www.runrev.com/downloads/StandardGradeProgrammingLiveCode.zip
http://www.runrev.com/downloads/Intermediate2ProgrammingLiveCode.zip
http://www.runrev.com/downloads/HigherProgrammingLiveCode.zip

Have a nice week!

Al



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Re: Using live Code in English primary Schools

[Alejandro Tejada]

Look at the stack posted in the first message
of this thread:
http://ftp.runrev.com/forums/viewtopic.php?f=7&t=18112&sid=72aa865d15e05e6c679b1e35c77f8015

http://ftp.runrev.com/forums/download/file.php?id=2835&sid=72aa865d15e05e6c679b1e35c77f8015

>From this page:
http://tlittle72.tripod.com/info.html

Al



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Re: Go to card [with effects] is slow on Android

[Alejandro Tejada]

Hi Roger, 

Some time ago, I made this APK for Android of the first 
MetaCard's demo. It includes a demo of all transition effects.
You could install it on your Android tablet and share your results: 

https://dl.dropboxusercontent.com/u/3834621/Demo.apk

You can download the stack in LiveCode format (not *.mc) from: 
https://dl.dropboxusercontent.com/u/3834621/demoMC27.livecode

If your OS or LiveCode version have problems playing sounds 
download this version: 
https://dl.dropboxusercontent.com/u/3834621/demoMC27_no_sounds.livecode

This is an old stack, so play it isolated... 

Al




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Re: Using live Code in English primary Schools

[Alejandro Tejada]

Check this website:

PGCPS (Prince Georges County Public Schools) website 
regarding the use of LC to create Games
https://sites.google.com/a/pgcps.org/livecode/home

This recopilation website by Sean Shao:
http://erhs.shaosean.tk/

And there are two more websites that I have bookmarked
in another computer.

Al



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Re: [OT?] Bad news???

[Alejandro Tejada]

Ah, yes. I forgot something.

This kind of event would be possible with the collaboration
of local entities that promote the use of technology in
education.

In every country, you will find private, public and ngo
dedicated precisely to achieve these goals. 

Al





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Re: [OT?] Bad news???

[Alejandro Tejada]

Richmond Mathewson-2 wrote
> [snip]
> It would be perfectly possible to do all the stuff that is listed there 
> using Open Source and/or Free software on an Open Source
> operating system today on some fairly tatty second-hand computer, and 
> that has to be good.
> Here's a list of software which might prove useful for school children 
> to use [most of these have versions for Windows and Macintosh if
> their school/parents feel "all funny" about Linux] which cost nothing:
> Runtime Revolution Livecode
> GIMP
> Inkscape
> FontForge
> Audacity
> Kompozer

Agreed. This could be one of the conditions to participate:
Use only Open Source software. (and include the source
files to prove it...)  :-)

The second condition to participate could be:

Present an exact and detailed written description of the ideas
that your team want to present in the multimedia project. 
(In this way, Judges could separate the original ideas from their
execution. Sometimes great ideas are severely restrained by 
a lack of resources)

Al





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Re: [OT?] Bad news???

[Alejandro Tejada]

Well, if RunRev decided to promote among students
an Award for Excellence in the creation of multimedia 
projects using LiveCode (like ISTE's Multimedia Mania...)
would be easier to find LiveCode's evangelists.

http://www.ncsu.edu/mmania/
http://www.ncsu.edu/mmania/mm_docs/mm_judge_rubric2.html
http://www.cengage.com/resource_uploads/static_resources/1413004628/5287/app12_7.pdf

By the way, I was a judge in Multimedia Mania 2004
and many schools send excellent multimedia projects.

Al




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Re: [OT?] Bad news???

[Alejandro Tejada]

Richmond Mathewson-2 wrote
> [snip]
> About 9 years ago I took my agent-led interface for Livecode to a 
> Primary school in Fife to trial the prototype with Primary teachers.
> The only reason any turned up (after all, it was outside working hours) 
> was because the headmistress (and wonderful woman with a vision)
> had three-line-whipped them. The reluctance on their part to take any 
> risks and/or try anything original was majorly depressing.
> 
> As one teacher said, "Why should I bother to learn to use your thing to 
> make programs for Content Delivery and Reinforcement when the
> children are just fine without them?"
> [snip]

http://www.reactiongifs.com/ricky-ricardo-omg/

That is exactly what teachers told me.
In fact, some of them told me that they would
cooperate if they receive money to learn and apply
this new methodology for their classes... 

For that small reason, my website "aulasdigitales.net"
is in a permanent hibernation state.
In this website, I wanted to publish one stack (from each teacher)
that helped their students to understand and practice their
most difficult topic from their classroom.

Just one stack with their most difficult topic.

Created and published for free.

Students would benefited the most.

Could not start without cooperation from teachers.

I completely understand Richmond when he wrote:
"The reluctance on their part to take any 
risks and/or try anything original was 
majorly depressing."

But tell me...
It's any different in the place where you live? :(

Al










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Re: [OT?] Bad news???

[Alejandro Tejada]

Interesting... :)
http://en.wikipedia.org/wiki/Scottish_inventions_and_discoveries

I think that Scots are capable to innovate because they
were (still are?) not raised to be blind followers.

Intelligent thinkers go to great lengths to demonstrate
the validity of their ideas. Even moving to another
countries.

But that way of thought is mired with a lot of
stress when different opinions clashes, so that
explains why there are Scots in many parts of
the world. :)
http://en.wikipedia.org/wiki/Scottish_people

Al



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RE: [OT?] Bad news???

[Alejandro Tejada]

John Dixon wrote
> I asked if they could set some time aside so that I could show them what
> the x-talk languages and 'liveCode' were all about and how they could
> excite the children into learning something about computing by actually
> building little programs instead of learning how to write their CV at
> twelve years of age !... 
> 
> They had absolutely no interest in seeing something, which to them would
> have been new... unfortunately, this time the expletives burst forth,
> moments before I stood up in disgust and left the building...

In the country where I live, the situation is no better.

Then, Why Scotland is the exception?

http://uk.prweb.com/releases/2013/2/prweb10449626.htm

Al



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Re: OT and no excuse

[Alejandro Tejada]

Jerry Jensen wrote
>  
>> Dennis Ritchie now have his own meme, but where is
>> Donald Knuth's... :D
> http://techno-backstop.com

Do you believe in coincidences? :D

http://techno-backstop.com/
http://www.cgarena.com/gallery/3d/description/fullimages/YOda_900.jpg

Al



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Re: Tracing Stack (was: the points of graphic)

[Alejandro Tejada]

Hi Bernd,

Excellent work!  :D 
Did you have code to select and trace each part of an image?

For example, trace this image:
http://www.clker.com/cliparts/c/a/6/c/11970950252088228801johnny_automatic_leaf_silhouette.svg.hi.png
(from this page: http://www.clker.com/clipart-13748.html)

Just one leaf is traced. 
How could we trace all parts of this image?
Thanks in advance!

Al




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Re: OT and no excuse

[Alejandro Tejada]

Roger Eller wrote
> Mark, I think this phenomenon can be easily explained.
> [snip]

Dennis Ritchie now have his own meme, but where is
Donald Knuth's... :D





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Re: RELEASE LiveCode 6.5.2 RC1

[Alejandro Tejada]

Wonderful! :D

11675 - Application freezes when importing certain PBM image files 
(All Unix formats now works! Just a small glitch with PBM easily to fix)

11673 - Setting the fillRule of a polygon graphic stops it rendering 
Now, SVGL works as expected. Test by yourself!

http://livecodeshare.runrev.com/stack/112/SVGL
(When you open the Stack SVGL, click the button "Draw" 
in the stack named "SVGL *" to draw the Tiger.)

Keep Up your great work! :D

Al






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Re: ColorAtScreenLoc Function

[Alejandro Tejada]

Hi Mark,


Mark Schonewille-3 wrote
> [snip]
> Unfortunately, it seems impossible to export snapshots smaller 
> than 32x32 pixels. Adding 31 pixels to the height and width of the first 
> pixel makes a square of 32x32 pixels and that works.

Interesting, because in LiveCode 6.5.1, importing a snapshot
from the same stack as small as 5x5 pixels is possible 
(maybe smaller, but I do not test this) and the image is inserted
oversized, not at 5x5 pixels, inside the stack.

Al




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Re: Matrix Recoded

[Alejandro Tejada]

Hi,

I just downloaded the Mac/Pc demo from
http://newsletters.livecode.com/october/issue158/newsletter2.php

Al



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Re: [OT] Qupzilla web browser

[Alejandro Tejada]

Just installed it in Lubuntu.

Certainly, looks fine, but
crashed while testing some
webpages that load the SWF
plugin...

Al



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Re: [OT] MIA

[Alejandro Tejada]

My deepest and most 
heartfelt condolences, 
Monte!

Al



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Re: Tracing Stack (was: the points of graphic)

[Alejandro Tejada]

Hi Michael,

Your Tracing stack shows a really clever use
of the mouseColor.  :o 

Works great under Lubuntu Linux
Excellent idea and presentation!  :D 

An enhancement could be adding more undos and redos
(with custom properties stored in a button or the polygon)
and offer some easy way to add a new point between
two points in the vector graphic. 

Keep Up this great work!

Al



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[OT] Google Chrome Is The New C Runtime

[Alejandro Tejada]

Hi All,

I found really insightful, RunRev's decision of using
Skia, the 2D rendering engine of Chrome. 
(https://code.google.com/p/skia/) for LiveCode. 

Hopefully, we will see more of Skia unique features
in future Livecode's releases.

http://developers.slashdot.org/story/14/01/18/0251214/chrome-is-the-new-c-runtime
https://www.mobilespan.com/content/chrome-is-the-new-c-runtime

Al



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Re: Errors detected in Open Source projects

[Alejandro Tejada]

Most surprising is finding in this list the most trusted
and widely used open source projects:

Apache server, Google Chromium, Mozilla Firefox...

Al



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Re: the points of graphic

[Alejandro Tejada]

Hi jvb,

Take a look at this stack and use code that you find useful:
http://andregarzia.on-rev.com/alejandro/stacks/regularPolygon_Tool_v2.zip

Screenshot of the stack:
https://dl.dropboxusercontent.com/u/3834621/LiveCode_regularPolygonToolv2.jpg

Have a nice weekend! :-)

Al



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Errors detected in Open Source projects

[Alejandro Tejada]

Found in the website: http://blog.thameera.com/

"Viva64 develops PVS-Studio, which is a static code analyzer for
C/C++/C++11. But their popularity has come from the fact that they run this
software on quite a few major open source projects around the internet and
post the results. They hit the mark of 1000 error samples yesterday.

Their bug database is a treasure trove. For one they expose bugs in open
source projects that may not be easily seen by the naked eye. And it’s a
great learning resource to see common pitfalls."

http://www.viva64.com/en/examples/

A real eye opening collection of bugs from open source projects...

Al



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Re: Mouse Color not Working

[Alejandro Tejada]

Hi Richmond,

Your mouseColor test stack works fine under 
LiveCode 6.5.1 on Lubuntu Linux.

I just made a small change:

1) Add a vector graphic (for example, a circle)
on the card and set the opaque of this vector
graphic to true

2) Change card script to:

on mouseDown
   put the mouseColor into tColor
   put tColor into fld "numm"
   set the backcolor of last grc to tColor
end mouseDown

Al




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Re: Any work around for no SFTP in LC?

[Alejandro Tejada]

Hi Jim,

Could you test if this method works for you?

In the origin:
1) Send the name, length (in bytes) and sha-1 and md5 digest of the file 
2) Grab a chunk of your file
3) encrypt this chunk
4) send via normal ftp along chunk's sha-1 and md5 digest

In the destination:
5) verify chunk's sha-1 and md5 digest
6) if correct, then decrypt the chunk and append it to the new file
else ask the origin to send it again
7) When transfer is completed, verify 
complete file's sha-1 and md5 digests

If your network is reliable, this method
could works...

Al



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Playing audioclips hangs LiveCode under Linux

[Alejandro Tejada]

Hi All, 

I just filed this bug in the Quality Center: 
http://quality.runrev.com/show_bug.cgi?id=11680

Playing audioclips hangs LiveCode under Linux 

The report include a zipped Folder with one stack 
and four audioclips (aiff, au, mp3, wav) 

https://dl.dropboxusercontent.com/u/3834621/LiveCode_audioclips_fails_under_linux.zip

Under Lubuntu Linux, audio clips in format *aiff, *.au, *.mp3, *.wav do not
play at all and, in some cases, LiveCode becomes unresponsive and hangs
until the user kill the process using the Task Manager.

If you try to use the videoclip player to play them, your could actually
hear the sound but after a while, LiveCode hangs.

If your own tests shows different results, please report. 

Al



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Error importing PBM and PGM image

[Alejandro Tejada]

Hi All,

I just filed this bug in the Quality Center:
http://quality.runrev.com/show_bug.cgi?id=11675

Error importing PBM and PGM image

The report include a zipped Folder with one stack 
and three images (pbm, pgm, pnm)

https://dl.dropboxusercontent.com/u/3834621/LiveCode_pbm_pgm_image_error.zip

1) Use the sample stack to import pbm and pgm images found in folder.
2) pbm and pgm image files are not imported.
3) LiveCode becomes unresponsive
4) LiveCode processor usage shoots to 50% or more
5) Tested under Lubuntu Linux 13.10

If your own tests shows different results, please report.

Al



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Re: [OT] boasting

[Alejandro Tejada]

Congratulations, Richmond! :D



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Re: Antialiased vector graphics in LiveCode 6.5.1

[Alejandro Tejada]

william humphrey-2 wrote
> I reported a bug about six months ago with imported images. 
> [snip]

Mark Waddingham already noticed:
http://quality.runrev.com/show_bug.cgi?id=11673

About bitmap images, I noticed that animated Gif
could be resized :D
and the Dictionary needs update:
http://docs.runrev.com/Object/image








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Re: Antialiased vector graphics in LiveCode 6.5.1

[Alejandro Tejada]

The property fillRule [evenodd - nonzero - empty] is somehow related to this
bug.

After importing some graphics using EpsImport v05C 
http://andregarzia.on-rev.com/alejandro/stacks/Eps_Import_V05C.zip
noticed that I could set or unset the antialiased properties in
imported graphics, without affecting their fill, but...
when I set the fillRule graphic property to evenodd or nonzero
then the fill of antialiased graphic dissapears.

If I set the antialiased to false, the fill is visible,
If I set the fillRule to empty, the fill is visible and 
could change the antialised without problems.

By the way, if you need to import some vector graphics from
illustrator files version 7 or less, here is nice tip that could help you, 
when you need to scale these vector graphics inside a LiveCode stack. 

http://andregarzia.on-rev.com/alejandro/img/Gradients03.jpg

But these questions still are unresolved:

Why does this happens? Does exists another workaround, besides 
NEVER set the fillRule of vector graphics?

Al





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