[Gambas-user] Help for Image and Picture Colors

[Benoît Minisini]

Le 04/02/2012 01:19, tobias a écrit :
> On 04.02.2012 01:12, tobias wrote:
>> Hi,
>>
>> I really need help. There's a lot of work with colors in Images and
>> Pictures in a project and between these classes. This is generally
>> speaking as follows: I have a class which has an 8*8px Image which is
>> manipulated (due to the easy of accessing pixels directly). Using a
>> property of my class, I provide access to a scaled version of the Image
>> as a Picture (which is created when requested). So I do some things and
>> when manually resizing the Image to get the prototype of the Picture to
>> return (it is needed as bigger version of the Image without
>> anti-aliasing, I don't get this result with Image.Stretch(), and doing
>> it manually is not a problem) there seem to appear problems with
>> transparency. I read that Pictures do not have an alpha channel and I
>> noticed that colors from the ColorChooser or Color class are given with
>> alpha channel set to 0x00 which will be transparent for the Image
>> class... so I tried adding&Hff000000&   to whatever color is assigned to
>> any pixel in the 8*8px Image or not to do it and some other experiments
>> but nothing worked on the entire project. there's always something
>> transparent or black or whatever. I really go nuts with this. Anyone to
>> my rescue?
>>
>> Regards,
>> Tobi
>
> wait a minute. I forgot to say that I don't even need the transparency
> feature of the Image class. I only use Image - as I said - because of
> Image[x, y] pixel access. For the meantime - or as a final solution?
> there may be a lot of those accesses and I thought using Image[x, y]
> will be the most efficient way to go - I switch to using an 8*8px
> Picture and Draw.Pixel() instead but I would really appreciate anyone
> clarify this topic to me.
>

I understand nothing. Maybe because I'm a little sick, but if you can be 
clearer...

-- 
Benoît Minisini