different colors for 2 strings composing a text()

Programming Questions

visualpaco

different colors for 2 strings composing a text()

in Programming Questions • 1 year ago

Does anybody know if it's possible to compose a text() with different colors for specific characters?

For instance I have 2 strings that I concatenate together to obtain a string that I visualize as text():

String t = chars;

String au = auths;

String tau = au.concat(t);

fill(0);

text(tau, x,y);

How can I use different colors for "t" and "au" respective chars????

Tnx!

√

Replies(3)

tfguy44

Re: different colors for 2 strings composing a text()

1 year ago

Alas, it's not possible. You will have to draw the strings separately, using different fill colors, some distance apart.

You can get the width of a drawn string with textWidth(), and use this to determine where the next string should start.

Something like:

String t = chars;

String au = auths;

fill(0);

text(t, x,y);

fill(255,0,0);
text(au, x + 1 + textWidth(t), y );

visualpaco

Re: different colors for 2 strings composing a text()

1 year ago

Many many tnx for a so fast, kind and useful reply.

But actually, unfortunately, the situation is a bit more complex, like the following:

There are two separate strings (author + sentence) forming the image grabbed by camera, like in the http://processing.org/learning/library/asciivideo.html example in Processing.

Something I make like the following extract summarized:

int videoScale = 8;

int cols, rows;

void setup() {

cols = width/videoScale;

rows = height/videoScale;

}

void draw() {

for (int j = 0; j < rows; j ++ ) {

for (int i = 0; i < cols; i ++ ) {

int x = i * videoScale;

int y = j * videoScale;

//the brightness values of the video grabbed creat the size of the text()

float b1 = brightness(video.pixels[(video.width - i - 1) + j * video.width]);

float fontSize1 = 28 * (b1 / 255);

textSize(fontSize1);

fill(255);

String t = chars[(j % chars.length)];

String au = auths[(j% auths.length)];

String tau = au.concat(t);

text(tau.charAt(i% tau.length()), x,y);

}

I tried your suggestion splitting into 2 text() but one of them in any case comes out in complete disorder (characters are not following each other properly making words).

I would like to kindly ask you (and all) if is there any algorithm to put the words in the right position dividing the window in columns and rows like in the code above.

Tnx!!!

√

tfguy44

Re: different colors for 2 strings composing a text()

1 year ago

It's really, REALLY hard to help you without a sketch that we can just copy and run ourselves to see what the issue is. Could you create a simplified version of your sketch that shows the problem? Something without video? Something that we can just copy and run?

Top Reply