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Display (bitmap overlay)

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Offline philmoz

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Re: Display (bitmap overlay)
« Reply #350 on: 04 / July / 2021, 20:42:26 »
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Quote from: reyalp on 04 / July / 2021, 18:54:30
In ximr branch r5983, I adjusted the histogram erase logic to handle histogram modes that display more than one histogram.


Thanks. Google drive builds updated.
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Offline pigeonhill

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Re: Display (bitmap overlay)
« Reply #351 on: 08 / July / 2021, 12:53:16 »
@philmoz

Phil I just posted on my script developments and added a few screen grabs. https://photography.grayheron.net/2021/07/m3-bracketing-exposure-survey-mode.html

These are taken via an HDMI Hollyland Mars X wireless device.

As you can see, the CHDK stuff is offset to the left, other than the central EXIT text.

I wonder if this is fixable, or do I need to just live with it?

Cheers

Garry
« Last Edit: 08 / July / 2021, 17:21:01 by pigeonhill »
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Offline philmoz

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Re: Display (bitmap overlay)
« Reply #352 on: 08 / July / 2021, 17:56:17 »
Quote from: pigeonhill on 08 / July / 2021, 12:53:16
As you can see, the CHDK stuff is offset to the left, other than the central EXIT text.


The HDMI bitmap we draw on is wider than the LCD bitmap (480 pixels vs 360 pixels).
Canon centres the live view to maintain the correct aspect ratio for the image. Canon adjusts it's UI element positions so they remain at the same place relative to the live view.


You could use the get_gui_screen_width value to check for the wider bitmap and offset the elements drawn by your script.
Most of the CHDK UI positions are fixed relative to the top left corner, so the histogram position for example will not change. The 'exit' text is always centred on the bitmap.

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CHDK ports:
  sx30is (1.00c, 1.00h, 1.00l, 1.00n & 1.00p)
  g12 (1.00c, 1.00e, 1.00f & 1.00g)
  sx130is (1.01d & 1.01f)
  ixus310hs (1.00a & 1.01a)
  sx40hs (1.00d, 1.00g & 1.00i)
  g1x (1.00e, 1.00f & 1.00g)
  g5x (1.00c, 1.01a, 1.01b)
  g7x2 (1.01a, 1.01b, 1.10b)
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Offline pigeonhill

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Re: Display (bitmap overlay)
« Reply #353 on: 09 / July / 2021, 01:27:29 »
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You could use the get_gui_screen_width value to check for the wider bitmap and offset the elements drawn by your script.

I can’t see this is a script fix, eg my script doesn’t write the text in the bottom left, ie the script’s name.

In the camera all is ok.

The shift is only apparent in the HDMI out.

I guess I’ll be living with the ‘feature’  :) ;)
« Last Edit: 09 / July / 2021, 02:12:58 by pigeonhill »
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Offline pigeonhill

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Re: Display (bitmap overlay)
« Reply #354 on: 11 / July / 2021, 05:01:35 »
@reyalp @philmoz

I wonder if you would consider the following idea?

As you know, when outputting through the HDMI on the M3 there is an offset created, relative to the LCD bitmap.

My thought is to create a new drawing function that globally adjust the x/y position of the stuff that is being drawn and would be called, say, before draw.overdraw() is called.

For EVF and LCD drawing x and y would be zero.

Just a thought.

Cheers

Garry

PS BTW I've added a 'HDMI hack' check in my script to recover the offset, for when I'm recording the HDMI out ;-)

Quote

You could use the get_gui_screen_width value to check for the wider bitmap and offset the elements drawn by your script.


Thanks @philmoz at least the stuff I draw is now auto centred in all three modes: LCD, EVF and HDMI. The only thing not addressed is the script title box, but I can live with that ;-)
« Last Edit: 11 / July / 2021, 13:40:17 by pigeonhill »
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Offline Caefix

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Re: Display (bitmap overlay)
« Reply #355 on: 16 / July / 2021, 10:31:36 »
Quote from: Caefix on 29 / May / 2021, 11:15:31
(ximr) :) If the AF-frame is stable then the OSDs and menues are stable too ...
Now lib.c has ...
Code: [Select]
void vid_bitmap_refresh() {
    extern void _transfer_src_overlay(int);
    int n = active_bitmap_buffer;
    _transfer_src_overlay(n);  // *
    _transfer_src_overlay(n^1);
}Maybe it´s possible to update both buffers only if needed, save time for zebra ...?  :-*
Code: [Select]
   if (!MF && !script_running && power_on) _transfer_src_overlay(n);  // *
« Last Edit: 17 / July / 2021, 13:10:59 by Caefix »
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Offline reyalp

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Re: Display (bitmap overlay)
« Reply #356 on: 20 / December / 2021, 23:02:41 »
@Ant asked
Quote from: Ant on 20 / December / 2021, 18:45:18
@reyalp
What is the reason not to merge philmoz's branch?
I have been thinking about it recently. IMO, it's a good improvement. I've been using it exclusively on my D6 cams, and I think most users would prefer it.

But some decisions need to be made. Do we make it the standard for all D6/D7 cams. Do we continue to support both drawing methods in the source? I would really prefer not to support both drawing methods, because it's already a big maintenance headache just with two, but the old digic 6 method is probably easier to debug with early in a port.

If we standardize on ximr, a few cameras are unconverted, at least M10, G16, SX60 and the SX280 family cams.

IIRC @srsa_4c also had some unresolved concerns, but I didn't immediately see them scrolling back in the thread.
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Offline philmoz

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Re: Display (bitmap overlay)
« Reply #357 on: 21 / December / 2021, 03:57:05 »
Quote from: reyalp on 20 / December / 2021, 23:02:41
If we standardize on ximr, a few cameras are unconverted, at least M10, G16, SX60 and the SX280 family cams.


This is the sticking point IMHO.


If we could find people to test them it would probably not be too hard to add the missing ones.


Otherwise I guess we have to live with three drawing systems.


Phil.





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  g12 (1.00c, 1.00e, 1.00f & 1.00g)
  sx130is (1.01d & 1.01f)
  ixus310hs (1.00a & 1.01a)
  sx40hs (1.00d, 1.00g & 1.00i)
  g1x (1.00e, 1.00f & 1.00g)
  g5x (1.00c, 1.01a, 1.01b)
  g7x2 (1.01a, 1.01b, 1.10b)
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Offline waterwingz

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Re: Display (bitmap overlay)
« Reply #358 on: 21 / December / 2021, 09:12:32 »
Quote from: philmoz on 21 / December / 2021, 03:57:05
If we could find people to test them it would probably not be too hard to add the missing ones.

I still have a couple of working G16's. That's one down , three to go.

Sent from my Pixel 4a using Tapatalk
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Offline 62ndidiot

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Re: Display (bitmap overlay)
« Reply #359 on: 21 / December / 2021, 10:42:20 »
Happy to test sx60hs
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