Processing 1.0 - Processing Discourse

Herbert Spencer

PGraphicsPDF
Aug 14^th, 2008, 2:45am

I've been looking at:
http://processing.org/reference/libraries/pdf/index.html

and the "Pausing While Recording (With Screen Display)" example doesn't work (besides the ' missing).

It seems that version 135 has trouble creating a PGraphicsPDF object from "createGraphics". I've been searching about this topic in the board but nothing popped up.

Any suggestion?
Thanks

Herbert Spencer&&http://www.herbertspencer.net/&&Valparaíso, Chile

fry

Re: PGraphicsPDF
Reply #1 - Aug 14^th, 2008, 1:44pm

sorry about that, it looks like those examples need to be cleaned up a bit. here's a fixed version of the one you mentioned:

Quote:

import processing.pdf.*;

boolean recording;
PGraphicsPDF pdf;

void setup() {
size(400, 400);
pdf = (PGraphicsPDF) createGraphics(width, height, PDF, "pause-resume.pdf");
}

void draw() {
// Be sure not to call background, otherwise your file
// will just accumulate lots of mess, only to become invisible

// Draw something good here
if (mousePressed) {
line(pmouseX, pmouseY, mouseX, mouseY);
}
}

void keyPressed() {
if (key == 'r') {
if (recording) {
endRecord();
println("Recording stopped.");
recording = false;
} else {
beginRecord(pdf);
println("Recording started.");
recording = true;
}
} else if (key == 'q') {
if (recording) {
endRecord();
}
exit();
}
}

Herbert Spencer YaBB Newbies Offline Posts: 8 Chile	Re: PGraphicsPDF Reply #2 - Aug 14^th, 2008, 2:42pm Thanks!!!!
	Herbert Spencer&&http://www.herbertspencer.net/&&Valparaíso, Chile

REAS YaBB Moderator Offline Posts: 712 CA	Re: PGraphicsPDF Reply #3 - Aug 23^rd, 2008, 3:06pm Thank you for reporting this Herbert. It's fixed online and will be corrected with the software for the next release.

Herbert Spencer

Re: PGraphicsPDF
Reply #4 - Jun 3^rd, 2011, 8:47am

fry wrote on Aug 14^th, 2008, 1:44pm:

sorry about that, it looks like those examples need to be cleaned up a bit. here's a fixed version of the one you mentioned:

Quote:

import processing.pdf.*;

boolean recording;
PGraphicsPDF pdf;

void setup() {
size(400, 400);
pdf = (PGraphicsPDF) createGraphics(width, height, PDF, "pause-resume.pdf");
}

void draw() {
// Be sure not to call background, otherwise your file
// will just accumulate lots of mess, only to become invisible

// Draw something good here
if (mousePressed) {
line(pmouseX, pmouseY, mouseX, mouseY);
}
}

void keyPressed() {
if (key == 'r') {
if (recording) {
endRecord();
println("Recording stopped.");
recording = false;
} else {
beginRecord(pdf);
println("Recording started.");
recording = true;
}
} else if (key == 'q') {
if (recording) {
endRecord();
}
exit();
}
}

Unfortunately this example overwrites the previous recording. I mean you can keep in the PDF file only the last sequence of your drawing.
Is there a way you could append the lines over and over or even press a key for nextPage() or something

Thanks in advance

Herbert Spencer&&http://www.herbertspencer.net/&&Valparaíso, Chile