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Problems with RLE-8 encoded Bitmaps
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Topic: Problems with RLE-8 encoded Bitmaps (Read 9510 times)
Antrepolit
New member
Posts: 7
Problems with RLE-8 encoded Bitmaps
«
on:
September 29, 2006, 07:11:16 am »
Good morning,
it's me again.
Yesterday I got a problem until loading "some" bitmaps.
Lazarus showed me the message "RLE-8 encoded bitmaps are not supported".
Does anyone know if the RLE-8 compression be supported in future?
It would make me very happy
, because I now have to convert
200 RLE-8 bitmaps :cry:
Antrepolit
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theo
Global Moderator
Hero Member
Posts: 1930
RE: Problems with RLE-8 encoded Bitmaps
«
Reply #1 on:
September 29, 2006, 10:15:22 am »
I don't know if Lazarus can't but FPImage should be able to read them. See fpreadbmp.pp.
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Marc
Administrator
Hero Member
Posts: 2622
RE: Problems with RLE-8 encoded Bitmaps
«
Reply #2 on:
September 29, 2006, 11:33:58 am »
AFAIK laz is using fpimage
Logged
//--
{$I stdsig.inc}
//-I still can't read someones mind
//-Bugs reported here will be forgotten. Use the
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Antrepolit
New member
Posts: 7
Problems with RLE-8 encoded Bitmaps
«
Reply #3 on:
September 29, 2006, 02:19:28 pm »
Lazarus can't decode it.
Do you think, I should convert all bitmaps? The problem on it is, that
these bitmaps are in a Win32 - resource file. It means I have to export them, convert them and at least to to create a new Win32 - resource file.
Oh...
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Vincent Snijders
Administrator
Hero Member
Posts: 2661
Problems with RLE-8 encoded Bitmaps
«
Reply #4 on:
September 29, 2006, 03:14:26 pm »
Marc, I think the problem is in TLazReaderBMP.InternalReadBody in the IntfGraphics unit.
I don't know what it should do to support RLE encoded bitmaps.
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felipemdc
Administrator
Hero Member
Posts: 3538
Problems with RLE-8 encoded Bitmaps
«
Reply #5 on:
September 29, 2006, 03:24:01 pm »
Ummm, maybe you could create a script that call ImageMagick to automate this task.
www.imagemagick.org/
Or a pascal software that calls ImageMagick libraries.
The resource file shouldn't be hard to recreate if you make a .rc file for him, and compile that RC file using Windres GNU Tool that comes with lazarus
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theo
Global Moderator
Hero Member
Posts: 1930
Problems with RLE-8 encoded Bitmaps
«
Reply #6 on:
September 29, 2006, 07:28:14 pm »
Umm, but I'm pretty sure fpreadbmp can read them.
It's stated: - Support for RLE4 and RLE8 decoding
So why not read them the FPImage way?
Afaik you can transform these to a Lazarus displayable format.
If not, you could at least save them uncompressed to stream/file and load from there instead of using ImageMagick.
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Problems with RLE-8 encoded Bitmaps
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