processing/processing

Exported application fails to run when a "+" is present in the filepath

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#4366 opened on Mar 21, 2016

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 (2 comments) (0 reactions) (0 assignees)Java (6,431 stars) (1,540 forks)batch import
help wanted

Description

It appears that when an exported application contains a "+" anywhere in it's filepath an application won't launch properly. This only seems to happen when the sketch calls loadImage(), and I've only tested this on windows 8. When I try to launch the application I just get a blank grey screen, like what happens when you run a sketch without drawing anything. Seems like loadImage() just doens't work if there is a "+" in the filepath.

PImage image;
void setup()
{
  size(400,400);
  fill(255,0,0);
  stroke(0);
  strokeWeight(10);

  image=loadImage("test.png");
}

void draw()
{
  image(image,random(360),random(360),40,40);
}

Edit: can now confirm this also happens on windows 7

Contributor guide

Tech stack
java
Domain
desktop
Issue type
bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
Basic Java knowledgeUnderstanding of Processing's loadImageFile path encoding awareness
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
75
Research direction
Investigate how Processing's loadImage() handles file paths during the export process. The bug likely lies in the core library where the file path is passed without proper encoding, causing '+' to be interpreted as a space or other special character. Check the PImage source code and the export code that generates the application launch configuration. Consider adding URL decoding or path normalization for loadImage() in exported applications.