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forum.gifForum - iziBasic - Topic #1598

Forum - Forum
iziBasic - iziBasic


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active  Topic # 1598  Text color

06/11/2007 @ 03:18
by Trent

Anonymous



Hello,
I am having fun writing some new programs in Izibasic. I am having a problem though with text color. I have looked everywhere but can't find examples of how to do it anywhere in the samples or forums.
Here's what I would like to do.
I would like the following line to be white on red background. In my old basic I would write it like this:
color 15,4
Print "Hello"
This doesn't work in Izibasic.
Can someone please help me ?
Thanks in advance.
-trent-
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Answer n 1
--------
06/11/2007 @ 11:26
by Tuka

Anonymous

visitor
Hello Trent,

Please try this code.

'RedMessage.iBAS
{CreatorID "HELO"}
{Version "1.0"}
{PARSER ON}
{KEYEVENTS ON}
{CONSOLEFONT OFF}
BEGIN
SETFONT 7
R=65536*255
GPRINT "Hello!",65,70,R
WAIT
END
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Answer n 2
--------
06/11/2007 @ 11:46
by Tuka

Anonymous

visitor
Hello Trent,

Please try this code.
This program simplifies color select.


'iziColorSelect.iBAS
{CreatorID "HELO"}
{Version "1.0"}
{PARSER ON}
{KEYEVENTS ON}
{CONSOLEFONT OFF}

BEGIN
BUTTON #1,"Select",60,40,40,12
BOX 19,99 TO 141,151
B=COLOR(1)
REPEAT
E=DOEVENTS
IF E=1 THEN
C=COLORSELECT(255):C$=STR$(C,0)
COLOR C:BOXFILLED 20,100 TO 140,150
COLOR B:GPRINT C$,60,60
END IF
UNTIL E<0
END
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Answer n 3
--------
06/11/2007 @ 12:04
by Tuka

Anonymous

visitor
Hello,

I upgraded iziColorSelect.
I'm sorry by my many answer.

'iziColorSelect.iBAS
{CreatorID "HELO"}
{Version "1.0"}
{PARSER ON}
{CONSOLEFONT OFF}

BEGIN
BUTTON #1,"Select",60,40,40,12
BOX 19,99 TO 141,151
B=COLOR(1):C=255
REPEAT
E=DOEVENTS
IF E=1 THEN
C=COLORSELECT(C):C$=STR$(C,0)
COLOR C:BOXFILLED 20,100 TO 140,150
COLOR B:GPRINT C$,60,60
END IF
UNTIL E<0
END
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Answer n 4
--------
10/11/2007 @ 02:20
by Trent

Anonymous

visitor
Tuka,
Thankyou for your replies.
I typed in your upgraded example called IziColorSelect.ibas and ran it.
It runs very nicely. It's a neat program.
But it still doesn't show me an example of how to just write some simple color text on color background.
Simply put, how can I make the following text to be white on red background ?
"Hello".
In standard basic it would be simply:

Color 15,4
Pring "Hello"

Thanks for your hard work.
-trent-

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Answer n 5
--------
10/11/2007 @ 02:26
by Trent

Anonymous

visitor
Tuka,
Sorry for the typing/spelling error on my previous message.
Should have said:
PrinT "Hello"
not PrinG "Hello"

You probably figured that out on your own, but it seems that we may have a language barrier between us and when I make spelling mistakes it just makes it worse.
Thanks again.
<smile>
-trent-
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Answer n 6
--------
10/11/2007 @ 02:57
by Tuka

Anonymous

visitor
Hello Trent,

We use GPRINT statement.
GPRINT supported colorful message.
Please watch this sample and the other samples which I already introduced.

'ColorMSG.iBAS
{CreatorID "HELO"}
{Version "1.0"}
{PARSER ON}
{CONSOLEFONT OFF}

BEGIN
BOXFILLED 40,40 TO 100,90
W=65536*255+256*255+255 'WHITE
R=16711680 'RED =65536*255
GPRINT "Hello",60,60,R,W
WAIT
END
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Answer n 7
--------
10/11/2007 @ 03:10
by Tuka

Anonymous

visitor
Hello Trent,

I'm sorry.
I made a mistake.
This sample displays a white message in a red background.

'ColorMSG.iBAS
{CreatorID "HELO"}
{Version "1.0"}
{PARSER ON}
{CONSOLEFONT OFF}

BEGIN
W=65536*255+256*255+255 'WHITE
R=16711680 'RED =65536*255
GPRINT "Hello",60,60,W,R
WAIT
END
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Answer n 8
--------
12/11/2007 @ 01:46
by Trent

Anonymous

visitor
Hi Tuka,
Thanks for the quick reply.
I ran your program and it comes up with violet letters on red background.
That's OK.
I am starting to understand the color calls now except how do you know what the correct numbers are for the various colors when writing programs?
How did you know red is and white is?
Where are these numbers written down in correlation to the colors?
Where did you get W=65536*255+256*255+255'White
RED=65536*255 ?
Thanks,
-trent-

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Answer n 9
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12/11/2007 @ 13:53
by Tuka

Anonymous

visitor
Hello Trent,

Please read explanation of COLOR in the user manual.
I calculate the color code in an expression written there.

COLOR v|n
Sets the pen color to the v|n value
Note:
- in black & white screen mode, v|n is 0 (white) or 1 (black)
- in other screen modes, v|n = Red x 65536 + Green x 256 + Blue, where Red,Green and Blue are [0..255] gradients

It is hard to make trial and error in this expression.
Therefore I get a color code with iziColorSelect.
Please choose RGB in the select screen of iziColorSelect.
You may change a color with a slider.
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