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Index › Programming Questions & Help › Syntax Questions › how to draw text vertically

dave YaBB Newbies Offline Posts: 1	how to draw text vertically Aug 20th, 2008, 11:20pm   hey,  i was wondering if it is possible to draw text vertically using processing (like along the Y-Axis of a graph)?  Note that I don't mean one letter on top of the next, but rather a line of text that is rotated 90 degrees. Thanks, -d

Jo Wood Junior Member Offline Posts: 52

Re: how to draw text vertically Reply #1 - Aug 21st, 2008, 1:30am   Something like this? Quote: PFont myFont; void setup() {   size(400,400);   smooth();     fill(0);   myFont = createFont("sans-serif",32); } void draw() {   background(255);   textFont(myFont);      int x = 10;     // Location of start of text.   int y = 100;      pushMatrix();   translate(x,y);   rotate(HALF_PI);   translate(-x,-y);   text("Some text here", x,y);   popMatrix(); } The key is to translate the text to the origin before rotating it (specified in radians), then translate back. Encasing the transformation in a push/pop matrix ensures that the transformation does not interfere with any drawing in the sketch.

Daniel Shiffman Full Member Offline Posts: 186

Re: how to draw text vertically Reply #2 - Aug 21st, 2008, 5:08am   This can be simplified by skipping translating back.  You can just draw the text at (0,0) once you've translated: Code: pushMatrix(); translate(x,y); rotate(HALF_PI); text("Some text here",0,0); popMatrix(); Also, you may want to use textAlign(CENTER) if you want the text to rotate around the center (as opposed to the beginning of the text.)

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