Android Question Help with Image please

Erel

B4X founder

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• Oct 19, 2020

• #2

Why not use https://www.b4x.com/android/forum/t...ogress-bar-with-gradient-fill.104476/#content ?

 

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W

werner_Fourie

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• Oct 19, 2020

• #3

Erel said:

Why not use https://www.b4x.com/android/forum/t...ogress-bar-with-gradient-fill.104476/#content ?

Click to expand...

Hi Erel

I use JKnobman to create different dials and sliders for my projects..
I prefer to use it..
Makes the interface looks better..
I can split the image it into different single images.. BUT..
I would prefer to move the single image into position according to the value needed as per the image..

Still pray for some help..

Thanks anyway..

 

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W

werner_Fourie

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• Oct 19, 2020

• #4

Just a small comment on what the image is..

It is used as a dial on the screen where an operator dials in a preset ..

 

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Erel

B4X founder

Staff member

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Longtime User

• Oct 19, 2020

• #5

Something like:

B4X:

Dim original As B4XBitmap = xui.LoadBitmap(...)
Dim images As List
images.Initialize
For i = 0 to 20
 images.Add(original.Crop(0, i * SpriteHeight, original.Width, SpriteHeight)
Next

Later you can get an image with:

B4X:

Dim b As B4XBitmap = images.Get(13)

 

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Star-Dust

Expert

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• Oct 19, 2020

• #6

Erel said:

Why not use https://www.b4x.com/android/forum/t...ogress-bar-with-gradient-fill.104476/#content ?

Click to expand...

@werner_Fourie I think i believe you can follow @Erel's suggestion without giving up the image made with JKnobman.

I would put the JKnobman image in an ImageView and above a CustomView with a transparent background that realizes the green bar and the percentage number.

However, the image created with JKnobman can also be created from code

 

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kimstudio

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• Oct 19, 2020

• #7

I used to use JKnobman in Windows programming. Usually you load the whole knob image and copy part of the image into your view. B4A Canvas.DrawBitmap does support SrcRect and DestRect, I believe you can just use it.

 

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W

werner_Fourie

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• Oct 20, 2020

• #8

You are all stars..

Thank You for the input..

@Erel's suggestion worked..

thanks

 

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