I use a bitmap with a white pixel in 0,0. But when i use oBitmap:ltransparent := .T. all the white pixels are black and not transparent! Any solution?
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Hello Günther,
have a look at my new post for a solution.
Create Alpha-Bl.-BMP with different Applications
Regards
Uwe 
&
Since 1995 ( the first release of FW 1.9 )
i work with FW.
If you have any questions about special functions, maybe i can help.
i work with FW.
If you have any questions about special functions, maybe i can help.
I think bitmaps are transparent according to the first pixel without using lTransparent. Have you tried this?
Regards,
James
FWH 18.05/xHarbour 1.2.3/BCC7/Windows 10
Hello James,
Günther said, he wants to use the BMP inside a WINDOW !!! .
The solution with a frame works inside a Object like a xBrowse-cell.
For a Window it is => ABPaint( hDC, 20, 20, oBmp:hBitmap, 220 ).
If he wants to use just a normal BMP, he has to convert it at first ( define transparent areas ).
I'm not shure, how and where he wants to use the Bitmap.
Regards
Uwe
Since 1995 ( the first release of FW 1.9 )
i work with FW.
If you have any questions about special functions, maybe i can help.
i work with FW.
If you have any questions about special functions, maybe i can help.
Ulli, only to paint a BMP on the main-window with a colored background. In the BMP there are a white region with a logo in blue. The left-top-pixel are also white. But no transparence are reachable.
Günther,
Are you using TransBmp() to paint the bitmap ?
i.e.:
nZeroZeroClr is the color at pixel 0,0 of the bitmap
Search for TransBmp() in FWH\source\classes, there you will find some examples of use
Are you using TransBmp() to paint the bitmap ?
i.e.:
nOldClr = SetBkColor( ::hDC, nRGB( 255, 255, 255 ) )
TransBmp( ::hBitmap, ::nWidth(), ::nHeight(), nZeroZeroClr, ::hDC,;
::nX, ::nY, Super:nWidth(), Super:nHeight() )
SetBkColor( ::hDC, nOldClr )nZeroZeroClr is the color at pixel 0,0 of the bitmap
Search for TransBmp() in FWH\source\classes, there you will find some examples of use
No, i use the standard "@ 5,5 BITMAP..... and oBitmap:ltransparent := .T. " and i see in source, that transbmp() is used in this class.
This is the picture to show:
This is the picture to show:
Günther,
is it a MDI window or a non MDI window ?
Günther,
A working example:
A working example:
Antonio, thanks, i will try tomorrow. I see, that i use no the call refresh().
Can the clausula TRANSPARENT to better handling not include in the @ 5,5 BITMAP/IMAGE and in REDEFINE BITMAP/IMAGE?
Antonio, its a normal window as in your example. But in the "@ 5,5 BITMAP" i MUST define "OF oWindow". If not, no picture is to see.
But all my tests come to same result. The picture is NOT transparent!?
But all my tests come to same result. The picture is NOT transparent!?
Hello Günther,
Your Bitmap has no < ALPHACHANNEL > !!!
it was the same problem with Silvio's BMP. I solved his problem and it works.
I tested Your Logo with the same result.
I captured Your image and saved it as < PNG > !!!.
After that, replaced the background with transparent ( erase background ).
For that, You choose < TRANSPARENT > from the color-picker, after that You can use the FILL-Container.
The result of the TRANSPARENT-painting is shown in the preview-window as Black color.
The PNG-Image is saved as Alphablended BMP ( like the preview-/test-window with black background ).
You can use the result as SPLASH-Logo as well.
I used < IcoFX >
viewtopic.php?f=3&t=14484&p=75182#p75182
The problem with a background : it is not allways a clear color.
The result
The Transparent-background-painting is not finished ( some background-parts are still white ),
to show what I mean !!!!
-----------------------------
Regards
Uwe
Your Bitmap has no < ALPHACHANNEL > !!!
it was the same problem with Silvio's BMP. I solved his problem and it works.
I tested Your Logo with the same result.
I captured Your image and saved it as < PNG > !!!.
After that, replaced the background with transparent ( erase background ).
For that, You choose < TRANSPARENT > from the color-picker, after that You can use the FILL-Container.
The result of the TRANSPARENT-painting is shown in the preview-window as Black color.
The PNG-Image is saved as Alphablended BMP ( like the preview-/test-window with black background ).
You can use the result as SPLASH-Logo as well.
I used < IcoFX >
viewtopic.php?f=3&t=14484&p=75182#p75182
The problem with a background : it is not allways a clear color.
The result
The Transparent-background-painting is not finished ( some background-parts are still white ),
to show what I mean !!!!
-----------------------------
Regards
Uwe
Since 1995 ( the first release of FW 1.9 )
i work with FW.
If you have any questions about special functions, maybe i can help.
i work with FW.
If you have any questions about special functions, maybe i can help.
download : http://www.pflegeplus.com/fw_downloads/volksbank.zip
Volksbank.png ( With completed transparent-background. Here You can still change something )
Volksbank.bmp ( Alpha-Blended-BMP )
Volksbank.jpg ( how to do it )
You can add a shadow
Creating a RED Shadow
Regards
Uwe
Volksbank.png ( With completed transparent-background. Here You can still change something )
Volksbank.bmp ( Alpha-Blended-BMP )
Volksbank.jpg ( how to do it )
You can add a shadow
Creating a RED Shadow
...
...
DEFINE BITMAP oBmp1 FILENAME "Volksbank.bmp"
ACTIVATE WINDOW oWnd MAXIMIZED ;
ON PAINT ( gradpaint( hDC, oWnd ), ;
ABPaint( hDC, 50, 50, oBmp:hBitmap, 220 ) )
RETURN NIL
// -----------------------------------------------
STATIC FUNTION gradpaint( hDC, oWnd )
local aGrad := { { 0.50, 16054371, 11892819 } }
GradientFill( hDC, 0, 0, oWnd:nHeight, oWnd:nWidth, aGrad, .F. )
RETURN NILRegards
Uwe
Since 1995 ( the first release of FW 1.9 )
i work with FW.
If you have any questions about special functions, maybe i can help.
i work with FW.
If you have any questions about special functions, maybe i can help.
Uwe, thanks for your help. Its functioning perfect! But regardless the normal way to display transparent bitmaps on windows should be possible -> ANTONIO 
Günther,
I posted a working example, maybe it was not working on your side as you use white for the windows background color (?)
You could try to change the background of your bitmap from white to another color and test my code again