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LAMW How convert colors to TARGBColorBridge
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Author
Topic: LAMW How convert colors to TARGBColorBridge (Read 2685 times)
maxx
New Member
Posts: 12
LAMW How convert colors to TARGBColorBridge
«
on:
October 03, 2017, 06:56:52 am »
Hello!
Is it possible convert colors from TColorRGB to TARGBColorBridge,
or choose a similar color from TARGBColorBridge in run-time?
Logged
maxx
New Member
Posts: 12
Re: LAMW How convert colors to TARGBColorBridge
«
Reply #1 on:
October 03, 2017, 10:29:50 am »
Done.
Code: Pascal
[Select]
[+]
[-]
function
TAndroidModule1
.
ARGBtoCustomColor
(
conv_clr
:
TColorRGBA
)
:
DWORD
;
begin
Result
:
=
(
conv_clr
.
A
shl
24
)
+
(
conv_clr
.
R
shl
16
)
+
(
conv_clr
.
G
shl
8
)
+
conv_clr
.
B
;
end
;
procedure
TAndroidModule1
.
AndroidModule_ColorPickJNIPrompt
(
Sender
:
TObject
)
;
var
my_color
:
TColorRGBA
;
begin
//My Custom color Yellow (as example)
my_color
.
A
:
=
$FF
;
//Not transparent
my_color
.
R
:
=
$FF
;
my_color
.
G
:
=
$FF
;
my_color
.
B
:
=
$00
;
jPanel_Current_ColorPick
.
CustomColor
:
=
ARGBtoCustomColor
(
my_color
)
;
jPanel_Current_ColorPick
.
BackgroundColor
:
=
colbrCustom
;
end
;
Logged
maxx
New Member
Posts: 12
Re: LAMW How convert colors to TARGBColorBridge
«
Reply #2 on:
October 03, 2017, 02:00:58 pm »
I did it for this little prog.
ColorPicker example for LAMW:Android
Enjoy friends!
Logged
jmpessoa
Hero Member
Posts: 2297
Re: LAMW How convert colors to TARGBColorBridge
«
Reply #3 on:
October 03, 2017, 10:13:47 pm »
Added to LAMW repo as GUI demo "ColorPicker"!
ref.
https://github.com/jmpessoa/lazandroidmodulewizard
Thank you!
Logged
Lamw: Lazarus Android Module Wizard
https://github.com/jmpessoa/lazandroidmodulewizard
neuro
Jr. Member
Posts: 62
Re: LAMW How convert colors to TARGBColorBridge
«
Reply #4 on:
July 16, 2022, 12:44:44 am »
In year 2017
maxx
made Color Picker demo, which had a serious defect – it was constantly writing color picker image to file.
I completely rewrote it – I eliminated writing of color picker image to file, so now Color Picker works faster and all calculations are done in memory.
Attachment is available in page:
https://forum.lazarus.freepascal.org/index.php/topic,52567.0.html
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