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P_1_1_1_01.pde
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P_1_1_1_01.pde
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// P_1_1_1_01.pde
//
// Generative Gestaltung, ISBN: 978-3-87439-759-9
// First Edition, Hermann Schmidt, Mainz, 2009
// Hartmut Bohnacker, Benedikt Gross, Julia Laub, Claudius Lazzeroni
// Copyright 2009 Hartmut Bohnacker, Benedikt Gross, Julia Laub, Claudius Lazzeroni
//
// http://www.generative-gestaltung.de
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/**
* draw the color spectrum by moving the mouse
*
* MOUSE
* position x/y : resolution
*
* KEYS
* s : save png
* p : save pdf
*/
import processing.pdf.*;
boolean savePDF = false;
int stepX;
int stepY;
void setup(){
size(800, 400);
background(0);
}
void draw(){
if (savePDF) beginRecord(PDF, timestamp()+".pdf");
noStroke();
colorMode(HSB, width, height, 100);
stepX = mouseX+2;
stepY = mouseY+2;
for (int gridY=0; gridY<height; gridY+=stepY){
for (int gridX=0; gridX<width; gridX+=stepX){
fill(gridX, height-gridY, 100);
rect(gridX, gridY, stepX, stepY);
}
}
if (savePDF) {
savePDF = false;
endRecord();
}
}
void keyPressed() {
if (key=='s' || key=='S') saveFrame(timestamp()+"_##.png");
if (key=='p' || key=='P') savePDF = true;
}
// timestamp
String timestamp() {
Calendar now = Calendar.getInstance();
return String.format("%1$ty%1$tm%1$td_%1$tH%1$tM%1$tS", now);
}