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CHDK Scripting Cross Reference Page

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Offline msl

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Re: CHDK Scripting Cross Reference Page
« Reply #10 on: 18 / May / 2012, 05:46:37 »
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Quote from: reyalp on 17 / May / 2012, 02:11:44
It's something from the old ptp liveview code, it will go away.

This is not so good. Since we have cameras with different screen width and lua drawing & console comands it would be useful to have a command for determination of screen width.

msl
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Offline outslider

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Re: CHDK Scripting Cross Reference Page
« Reply #11 on: 18 / May / 2012, 16:22:20 »
Textbox added.

[offtopic]

When I was writing the lua drawings I tried to provide such lua commands like draw_get_width() and draw_get_height() but I had no idea how to do so. It would be very nice.

AFAIR I tried to just return the values of camera_screen.width and camera_screen.height (as in gui_draw.c) but they gave strange values. Now I can't recall what it was.

The idea was:

Code: (c) [Select]
static int luaCB_draw_get_width( lua_State* L )
{
  lua_pushnumber( L, camera_screen.width );
  return 1;
}

static int luaCB_draw_get_height( lua_State* L )
{
  lua_pushnumber( L, camera_screen.height );
  return 1;
}


With such functions there could be constant values defined in drawings.lua modules for convenient usage:

Code: (lua) [Select]
WIDTH=draw_get_width()
HEIGHT=draw_get_height()
[/offtopic]
« Last Edit: 18 / May / 2012, 16:39:34 by outslider »
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Offline reyalp

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Re: CHDK Scripting Cross Reference Page
« Reply #12 on: 19 / May / 2012, 00:17:45 »
Quote from: msl on 18 / May / 2012, 05:46:37
Quote from: reyalp on 17 / May / 2012, 02:11:44
It's something from the old ptp liveview code, it will go away.

This is not so good. Since we have cameras with different screen width and lua drawing & console comands it would be useful to have a command for determination of screen width.
msl
That's fine, but it should not be this function, because what it returns is not very useful for lua.

Maybe a moderator can split this discussion ?
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Offline waterwingz

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Re: CHDK Scripting Cross Reference Page
« Reply #13 on: 19 / May / 2012, 00:49:49 »
Quote from: reyalp on 19 / May / 2012, 00:17:45
That's fine, but it should not be this function, because what it returns is not very useful for lua.
Maybe a moderator can split this discussion ?
Or to make things easy - just start another thread on "Scripting function to report display sizes" ?
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Offline outslider

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Re: CHDK Scripting Cross Reference Page
« Reply #14 on: 20 / May / 2012, 13:18:37 »
Quote from: waterwingz on 19 / May / 2012, 00:49:49
Quote from: reyalp on 19 / May / 2012, 00:17:45
That's fine, but it should not be this function, because what it returns is not very useful for lua.
Maybe a moderator can split this discussion ?
Or to make things easy - just start another thread on "Scripting function to report display sizes" ?

Done:

http://chdk.setepontos.com/index.php?topic=8138.new#new
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Offline kidtree

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Select/case?
« Reply #15 on: 29 / May / 2012, 09:49:29 »
Skywalker9's Selective Intervalometer script uses select/case/end_select, but I can't find that in the cross reference or any other documentation.  Am I missing something?
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Offline msl

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Re: CHDK Scripting Cross Reference Page
« Reply #16 on: 29 / May / 2012, 11:17:19 »
Quote from: kidtree on 29 / May / 2012, 09:49:29
... uses select/case/end_select, but I can't find that in the cross reference or any other documentation.

http://images2.wikia.nocookie.net/__cb20100806022158/chdk/images/e/e5/UBASIC_User_Guide_D0_5.pdf

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