### Get Examples Menu

Source: https://imagej.net/ij/developer/api/ij/ij/Menus.html

Retrieves the 'Examples' menu with an associated action listener.

```APIDOC
## GET /api/menus/getExamplesMenu

### Description
Retrieves the 'Examples' menu with an associated action listener.

### Method
GET

### Endpoint
/api/menus/getExamplesMenu

### Parameters
#### Query Parameters
- **listener** (string) - Required - Identifier for the ActionListener to associate with the menu items.

### Request Example
```
GET /api/menus/getExamplesMenu?listener=myActionListener
```

### Response
#### Success Response (200)
- **menu** (object) - An object representing the 'Examples' menu.

#### Response Example
```json
{
  "menu": {
    "name": "Examples",
    "items": [
      "Example 1",
      "Example 2"
    ]
  }
}
```
```

--------------------------------

### Get ImageJ Examples Menu

Source: https://imagej.net/ij/developer/api/ij/ij/Menus.html

Retrieves the 'Examples' menu with an associated action listener.

```java
public static java.awt.Menu getExamplesMenu​(java.awt.event.ActionListener listener)
```

--------------------------------

### Tool Management and Configuration

Source: https://imagej.net/ij/developer/api/ij/ij/gui/Toolbar.html

API methods for installing startup tools, getting the number of tools, and configuring tool behavior.

```APIDOC
## installStartupMacrosTools

### Description
Installs startup macros and tools.

### Method
public static boolean installStartupMacrosTools()

### Endpoint
N/A (Static method)

### Parameters
None

### Request Example
None

### Response
- **boolean** - True if installation was successful, false otherwise.

### Response Example
```
true
```

## getNumTools

### Description
Retrieves the current number of tools available.

### Method
public int getNumTools()

### Endpoint
N/A (Instance method, context dependent)

### Parameters
None

### Request Example
None

### Response
- **int** - The number of tools.

### Response Example
```
5
```

## setLongClickDelay

### Description
Sets the tool menu long click delay in milliseconds. A delay of 0 disables long click triggering.

### Method
public static void setLongClickDelay(int delay)

### Endpoint
N/A (Static method)

### Parameters
- **delay** (int) - The delay in milliseconds. Set to 0 to disable.

### Request Example
```json
{
  "delay": 600
}
```

### Response
None (void method)

### Response Example
None

## setIcon

### Description
Sets the icon of the specified macro or plugin tool. Refer to Help > Examples > Tool > Animated Icon Tool for usage examples.

### Method
public static void setIcon(String toolName, String icon)

### Endpoint
N/A (Static method)

### Parameters
- **toolName** (String) - The name of the tool whose icon needs to be set.
- **icon** (String) - The icon to set for the tool. This is typically a path to an icon file or a base64 encoded string.

### Request Example
```json
{
  "toolName": "MyMacroTool",
  "icon": "path/to/my/icon.png"
}
```

### Response
None (void method)

### Response Example
None
```

--------------------------------

### Install Startup Macros Tools

Source: https://imagej.net/ij/developer/api/ij/ij/gui/Toolbar.html

Installs startup macros tools.

```java
public static boolean installStartupMacrosTools()
```

--------------------------------

### setup Method

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/filter/Binary.html

Details of the setup method for the Binary plugin, used for filter initialization.

```APIDOC
## setup(java.lang.String arg, ImagePlus imp)

### Description
This method is called once when the filter is loaded. It should return a flag word specifying the filter's capabilities. If `PlugInFilter.FINAL_PROCESSING` is set, `setup` will be called again with `arg = "final"` after all other processing.

### Method
`public int setup(java.lang.String arg, ImagePlus imp)`

### Parameters
* **arg** (string) - The argument specified for this plugin in configuration files.
* **imp** (ImagePlus) - The currently active image.

### Returns
A flag word indicating the filter's capabilities (e.g., `PlugInFilter.DOES_8G`, `PlugInFilter.KEEP_THRESHOLD`).
```

--------------------------------

### PluginInstaller install Method

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/PluginInstaller.html

Installs a plugin from the specified file path. Returns true if the installation was successful, false otherwise.

```java
public	boolean	install	(java.lang.String	path)
```

--------------------------------

### setup Method

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/filter/FFTCustomFilter.html

Details on the setup method for the FFTCustomFilter, used for initializing the filter.

```APIDOC
## POST /setup

### Description
This method is called once when the filter is loaded. It configures the filter based on the provided arguments and image.

### Method
`public int setup(String arg, ImagePlus imp)`

### Parameters
- **arg** (String) - Required - The argument specified for this plugin.
- **imp** (ImagePlus) - Required - The currently active image.

### Returns
- **int** - A flag word specifying the filter's capabilities. For example, `PlugInFilter.FINAL_PROCESSING`.
```

--------------------------------

### setup Method

Source: https://imagej.net/ij/developer/api/ij/ij/gui/HistogramWindow.html

Sets up the histogram window.

```java
public void setup()
```

--------------------------------

### Example GenericDialog Usage

Source: https://imagej.net/ij/developer/api/ij/ij/gui/GenericDialog.html

This example demonstrates how to create and use a GenericDialog to get user input for creating a new image. It includes adding string and numeric fields, showing the dialog, and retrieving the user's input. Ensure component labels are unique for macro compatibility.

```java
public class Generic_Dialog_Example implements PlugIn {
          static String title="Example";
          static int width=512,height=512;
          public void run(String arg) {
                GenericDialog gd = new GenericDialog("New Image");
                gd.addStringField("Title: ", title);
                gd.addNumericField("Width: ", width, 0);
                gd.addNumericField("Height: ", height, 0);
                gd.showDialog();
                if (gd.wasCanceled()) return;
                title = gd.getNextString();
                width = (int)gd.getNextNumber();
                height = (int)gd.getNextNumber();
                IJ.newImage(title, "8-bit", width, height, 1);
         }
 }
```

--------------------------------

### Setup Dialog

Source: https://imagej.net/ij/developer/api/ij/ij/gui/GenericDialog.html

Protected method for internal dialog setup procedures.

```java
protected void setup()
```

--------------------------------

### Benchmark Plugin Setup Method

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/filter/Benchmark.html

The setup method is called once when the filter is loaded. It receives an argument string and the current ImagePlus object, returning a flag word specifying the filter's capabilities.

```java
public
int setup​(java.lang.String arg,
                 ImagePlus imp)
```

--------------------------------

### Info setup Method

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/filter/Info.html

The setup method for the Info plugin. This method is called once when the filter is loaded and is deprecated. It returns a flag word specifying the filter's capabilities.

```java
public int setup (
                 java.lang.String arg,
                 ImagePlus imp)
```

--------------------------------

### Show Dialog Method

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/filter/Convolver.html

Called after setup to display a dialog for user input. This method is invoked unless the DONE flag is set in the setup method.

```java
public
int
showDialog​(ImagePlus imp,

```

--------------------------------

### FileInfo_Test Example

Source: https://imagej.net/ij/developer/api/ij/ij/io/FileOpener.html

An example demonstrating how to use FileInfo and FileOpener to open an image file. This requires setting image dimensions, offset, filename, and directory.

```java
public class FileInfo_Test implements PlugIn {
  public void run(String arg) {
    FileInfo fi = new FileInfo();
    fi.width = 256;
    fi.height = 254;
    fi.offset = 768;
    fi.fileName = "blobs.tif";
    fi.directory = "/Users/wayne/Desktop/";
    new FileOpener(fi).open();
  }
}
```

--------------------------------

### ImageJ Plugin API - Macro Installer

Source: https://imagej.net/ij/developer/api/ij/ij/macro/class-use/Program.html

API for installing macros as plugins.

```APIDOC
## GET /api/plugins/macroInstaller/program

### Description
Retrieves the Program object from the MacroInstaller.

### Method
GET

### Endpoint
/api/plugins/macroInstaller/program

### Response
#### Success Response (200)
- **program** (object) - The Program object.

#### Response Example
{
  "program": {
    "type": "Program",
    "code": "run(\"Hello World\");"
  }
}
```

--------------------------------

### Install User Plugin

Source: https://imagej.net/ij/developer/api/ij/ij/Menus.html

Installs a user-defined plugin.

```APIDOC
## POST /api/menus/installUserPlugin

### Description
Installs a user-defined plugin.

### Method
POST

### Endpoint
/api/menus/installUserPlugin

### Parameters
#### Request Body
- **className** (string) - Required - The fully qualified class name of the plugin.
- **force** (boolean) - Optional - If true, forces installation even if the plugin is already present.

### Request Example
```json
{
  "className": "com.example.MyUserPlugin",
  "force": false
}
```

### Response
#### Success Response (200)
- **status** (string) - Indicates the success of the operation.

#### Response Example
```json
{
  "status": "User plugin installed successfully"
}
```
```

--------------------------------

### Plugin Filter Setup Methods

Source: https://imagej.net/ij/developer/api/ij/ij/class-use/ImagePlus.html

Details the `setup` method for various ImageJ plugin filters. This method is typically called once when the filter is loaded.

```APIDOC
## Plugin Filter Setup Methods

### Description
Provides information on the `setup` method for various ImageJ plugin filters. This method is generally invoked once upon filter initialization.

### Method
`int setup(java.lang.String arg, ImagePlus imp)`

### Endpoints
This documentation pertains to methods within different plugin classes, not specific API endpoints.

### Parameters
- **arg** (java.lang.String) - Required - An argument string passed to the setup method.
- **imp** (ImagePlus) - Required - The ImagePlus object associated with the filter operation.

### Examples
```java
Filters.setup(arg, imp);
FractalBoxCounter.setup(arg, imp);
GaussianBlur.setup(arg, imp); // Method to return types supported
ImageMath.setup(arg, imp);
ImageProperties.setup(arg, imp);
Info.setup(arg, imp); // Deprecated.
LineGraphAnalyzer.setup(arg, imp);
LutApplier.setup(arg, imp);
LutViewer.setup(arg, imp);
MaximumFinder.setup(arg, imp); // Method to return types supported
ParticleAnalyzer.setup(arg, imp);
PlugInFilter.setup(arg, imp); // This method is called once when the filter is loaded.
Printer.setup(arg, imp);
RankFilters.setup(arg, imp); // Setup of the PlugInFilter.
RGBStackSplitter.setup(arg, imp);
RoiWriter.setup(arg, imp);
Rotator.setup(arg, imp);
SaltAndPepper.setup(arg, imp);
ScaleDialog.setup(arg, imp);
Shadows.setup(arg, imp);
StackLabeler.setup(arg, imp);
ThresholdToSelection.setup(arg, imp);
Transformer.setup(arg, imp);
Translator.setup(arg, imp);
UnsharpMask.setup(arg, imp); // Method to return types supported
Writer.setup(arg, imp); // Deprecated.
XYWriter.setup(arg, imp);
```
```

--------------------------------

### RoiWriter Setup Method

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/filter/RoiWriter.html

Called once when the filter is loaded. It specifies the filter's capabilities by returning a flag word. The setup method may be called again with arg = "final" for final processing.

```java
public
int
setup​(java.lang.String arg,
                 ImagePlus imp)
```

--------------------------------

### Start Server - OtherInstance

Source: https://imagej.net/ij/developer/api/ij/ij/OtherInstance.html

Starts the server for inter-instance communication. This is a static method.

```java
public static void startServer()
```

--------------------------------

### ParticleAnalyzer Constructor Example

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/filter/ParticleAnalyzer.html

Example of how to initialize and use the ParticleAnalyzer to analyze particles in an image. Requires opening an image, setting an auto-threshold, creating a ResultsTable, defining analysis options and measurements, and then running the analysis.

```java
imp = IJ.openImage("https://imagej.net/images/blobs.gif");
IJ.setAutoThreshold(imp, "Default"); 
rt = new ResultsTable();
options = ParticleAnalyzer.SHOW_NONE;
measurements = Measurements.AREA + Measurements.PERIMETER;
pa = new ParticleAnalyzer(options, measurements, rt, 0, Double.MAX_VALUE, 0, 1);
pa.analyze(imp);
rt.show("Results");
```

--------------------------------

### Image Calculator Example with 'divide create 32-bit'

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/ImageCalculator.html

Example demonstrating how to divide one image by another and return the result as a new 32-bit image. This utilizes the 'create' and '32-bit' modifiers.

```java
imp3 = ImageCalculator.run(imp1, imp2, "divide create 32-bit");
```

--------------------------------

### Macro Installation Methods

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/MacroInstaller.html

Methods for installing various types of macros and tools into ImageJ.

```APIDOC
## installStartupMacros

### Description
Installs startup macros and runs AutoRun macro on current thread.

### Method
void

### Endpoint
installStartupMacros(java.lang.String path)

### Parameters
#### Path Parameters
- **path** (java.lang.String) - Required - The path to the startup macros.

## installTool

### Description
Installs a tool into ImageJ.

### Method
void

### Endpoint
installTool(java.lang.String path)

### Parameters
#### Path Parameters
- **path** (java.lang.String) - Required - The path to the tool.

## install

### Description
Installs a macro set.

### Method
int

### Endpoint
install(java.lang.String text)

### Parameters
#### Path Parameters
- **text** (java.lang.String) - Required - The macro content to install.

## install

### Description
Installs a macro set with an associated menu.

### Method
int

### Endpoint
install(java.lang.String text, java.awt.Menu menu)

### Parameters
#### Path Parameters
- **text** (java.lang.String) - Required - The macro content to install.
- **menu** (java.awt.Menu) - Required - The menu to associate with the macro.

## installFile

### Description
Installs a macro file.

### Method
void

### Endpoint
installFile(java.lang.String path)

### Parameters
#### Path Parameters
- **path** (java.lang.String) - Required - The path to the macro file.

## installLibrary

### Description
Installs a macro library.

### Method
void

### Endpoint
installLibrary(java.lang.String path)

### Parameters
#### Path Parameters
- **path** (java.lang.String) - Required - The path to the macro library.

## installFromJar

### Description
Installs a macro set contained in ij.jar.

### Method
static void

### Endpoint
installFromJar(java.lang.String path)

### Parameters
#### Path Parameters
- **path** (java.lang.String) - Required - The path to the ij.jar file.

## installFromIJJar

### Description
Installs a macro set contained in ij.jar.

### Method
void

### Endpoint
installFromIJJar(java.lang.String path)

### Parameters
#### Path Parameters
- **path** (java.lang.String) - Required - The path to the ij.jar file.

## installSingleTool

### Description
Installs a single tool.

### Method
void

### Endpoint
installSingleTool(java.lang.String text)

### Parameters
#### Path Parameters
- **text** (java.lang.String) - Required - The tool content to install.
```

--------------------------------

### ParticleAnalyzer Example Usage

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/filter/ParticleAnalyzer.html

Example of how to use the ParticleAnalyzer class.

```APIDOC
## ParticleAnalyzer Example Usage

```javascript
imp = IJ.openImage("https://imagej.net/images/blobs.gif");
IJ.setAutoThreshold(imp, "Default"); 
rt = new ResultsTable();
options = ParticleAnalyzer.SHOW_NONE;
measurements = Measurements.AREA + Measurements.PERIMETER;
pa = new ParticleAnalyzer(options, measurements, rt, 0, Double.MAX_VALUE, 0, 1);
pa.analyze(imp);
rt.show("Results");
```
```

--------------------------------

### Display Macro Commands in Plugins Menu

Source: https://imagej.net/ij/developer/macro/macros.html

Macros with assigned shortcuts, when installed, will appear in the Plugins > Macros submenu. This example shows how 'Macro 1 [a]' and 'Macro 2 [1]' would be listed.

```ImageJ Macro
Macro 1 [a]
Macro 2 [1]
```

--------------------------------

### Tool Installation and Management

Source: https://imagej.net/ij/developer/api/ij/ij/gui/Toolbar.html

Methods for adding, installing, and removing tools from the ImageJ toolbar.

```APIDOC
## addTool

### Description
Adds a tool to the toolbar. The 'toolTip' string is displayed in the status bar when the mouse is over the tool icon. The 'toolTip' string may include icon (http://imagej.net/ij/developer/macro/macros.html#tools). Returns the tool ID, or -1 if all tool slots are in use.

### Method
`public int addTool(java.lang.String toolTip)`

### Parameters
#### Path Parameters
None

#### Query Parameters
None

#### Request Body
- **toolTip** (String) - Required - The tooltip for the tool.

### Request Example
None

### Response
#### Success Response (200)
- **toolId** (int) - The ID of the added tool, or -1 if all slots are in use.
```

```APIDOC
## addMacroTool

### Description
Used by the MacroInstaller class to install a set of macro tools.

### Method
`public void addMacroTool(java.lang.String name, MacroInstaller macroInstaller, int id)`

### Parameters
#### Path Parameters
None

#### Query Parameters
None

#### Request Body
- **name** (String) - Required - The name of the macro tool.
- **macroInstaller** (MacroInstaller) - Required - The MacroInstaller instance.
- **id** (int) - Required - The ID of the macro tool.

### Request Example
None

### Response
None
```

```APIDOC
## addMacroTool

### Description
Used by the MacroInstaller class to add a macro tool to the toolbar.

### Method
`public void addMacroTool(java.lang.String name, MacroInstaller macroInstaller)`

### Parameters
#### Path Parameters
None

#### Query Parameters
None

#### Request Body
- **name** (String) - Required - The name of the macro tool.
- **macroInstaller** (MacroInstaller) - Required - The MacroInstaller instance.

### Request Example
None

### Response
None
```

```APIDOC
## removeMacroTools

### Description
Removes all macro tools from the toolbar.

### Method
`public static void removeMacroTools()`

### Parameters
None

### Request Example
None

### Response
None
```

```APIDOC
## addPlugInTool

### Description
Adds a plugin tool to the first available toolbar slot, or to the last slot if the toolbar is full.

### Method
`public static void addPlugInTool(PlugInTool tool)`

### Parameters
#### Path Parameters
None

#### Query Parameters
None

#### Request Body
- **tool** (PlugInTool) - Required - The plugin tool to add.

### Request Example
None

### Response
None
```

```APIDOC
## getPlugInTool

### Description
Retrieves the currently active plugin tool.

### Method
`public static PlugInTool getPlugInTool()`

### Parameters
None

### Request Example
None

### Response
#### Success Response (200)
- **tool** (PlugInTool) - The active plugin tool.
```

```APIDOC
## installStartupTools

### Description
Installs the startup tools for ImageJ.

### Method
`public void installStartupTools()`

### Parameters
None

### Request Example
None

### Response
None
```

```APIDOC
## showCode

### Description
Displays a dialog with the provided code.

### Method
`public static void showCode(java.lang.String title, java.lang.String code)`

### Parameters
#### Path Parameters
None

#### Query Parameters
None

#### Request Body
- **title** (String) - Required - The title of the dialog window.
- **code** (String) - Required - The code to display.

### Request Example
None

### Response
None
```

--------------------------------

### PlugInFilter Setup Parameters

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/filter/ImageMath.html

Parameters available to the setup method of a PlugInFilter.

```APIDOC
## Setup Parameters for PlugInFilter

### Description
Parameters passed to the `setup(arg, imp)` method of a plugin-filter.

### Parameters
#### Path Parameters
- **imp** (ImagePlus) - The active image passed in the `setup(arg, imp)` call. Can be null if `NO_IMAGE_REQUIRED` flag is set.
- **command** (String) - The command that invoked the plugin-filter, useful for dialog titles.
- **pfr** (PlugInFilterRunner) - The PlugInFilterRunner calling this plugin-filter. Can be used for preview functionality via `addPreviewCheckbox` and for callbacks to obtain the current slice number.
```

--------------------------------

### Translator Plugin Setup Method

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/filter/Translator.html

Called once when the filter is loaded. It receives an argument and the active image, returning flags that specify the filter's capabilities. The setup method may be called again for final processing if the FINAL_PROCESSING flag is set.

```java
public int setup(
                 java.lang.String arg,
                 ImagePlus imp)

```

--------------------------------

### Install Plugin

Source: https://imagej.net/ij/developer/api/ij/ij/Menus.html

Adds a plugin-based command to a specified menu.

```APIDOC
## POST /api/menus/installPlugin

### Description
Adds a plugin based command to the end of a specified menu.

### Method
POST

### Endpoint
/api/menus/installPlugin

### Parameters
#### Request Body
- **plugin** (string) - Required - The name or path of the plugin.
- **menuCode** (char) - Required - A character code representing the menu (e.g., 'P' for Plugins).
- **command** (string) - Required - The name of the command to be displayed in the menu.
- **shortcut** (string) - Optional - A keyboard shortcut for the command.
- **ij** (object) - Required - The ImageJ instance object.

### Request Example
```json
{
  "plugin": "ij.plugin.MyPlugin",
  "menuCode": "P",
  "command": "My Plugin Command",
  "shortcut": "Ctrl+M"
}
```

### Response
#### Success Response (200)
- **status** (string) - Indicates the success of the operation.

#### Response Example
```json
{
  "status": "Plugin installed successfully"
}
```
```

--------------------------------

### Get Plugin Count

Source: https://imagej.net/ij/developer/api/ij/ij/Menus.html

Returns the number of plugins installed.

```APIDOC
## GET /api/menus/getPluginCount

### Description
Returns the number of plugins installed.

### Method
GET

### Endpoint
/api/menus/getPluginCount

### Response
#### Success Response (200)
- **pluginCount** (integer) - The total number of plugins.

#### Response Example
```json
{
  "pluginCount": 100
}
```
```

--------------------------------

### DownsizeTable Example Usage

Source: https://imagej.net/ij/developer/api/ij/ij/process/DownsizeTable.html

Example demonstrating how to instantiate and use the DownsizeTable for downsizing a row of pixel data. It shows the creation of a DownSizeTable object and a loop for processing source pixels.

```java
DownSizeTable dt = new DownsizeTable(width, roi.x, roi.width, destinationWidth, ImageProcessor.BICUBIC);
        int tablePointer = 0;
        for (int srcPoint=dt.srcStart, srcPoint<=dt.srcEnd; srcPoint++) {
                float v = pixels[srcPoint];
                for (int i=0; i
```

--------------------------------

### Image Calculator Plugin Script Example

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/ImageCalculator.html

Example script demonstrating how to use the ImageCalculator plugin to perform an 'add' operation on two opened images and display the result. Requires images to be opened first.

```javascript
// test script
   imp1 = IJ.openImage("http://imagej.net/ij/images/boats.gif")
   imp2 = IJ.openImage("http://imagej.net/ij/images/bridge.gif")
   imp3 = ImageCalculator.run(imp1, imp2, "add create 32-bit");
   imp3.show();
```

--------------------------------

### Writer Plugin Setup Method

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/filter/Writer.html

The setup method for the Writer plugin. This method is called once when the filter is loaded and is deprecated. It specifies the filter's capabilities.

```java
public	int	setup	(java.lang.String	arg,
                 ImagePlus	imp)
```

--------------------------------

### setup Method

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/filter/RankFilters.html

Sets up the PlugInFilter and returns flags specifying the filter's capabilities and needs.

```APIDOC
## setup Method

### Description
Setup of the PlugInFilter. Returns the flags specifying the capabilities and needs of the filter.

### Method
public int setup(java.lang.String arg, ImagePlus imp)

### Endpoint
N/A (Method)

### Parameters
#### Path Parameters
None

#### Query Parameters
None

#### Request Body
None

### Response
#### Success Response (200)
- **int** - Flags specifying further action of the PlugInFilterRunner

#### Response Example
```
// Example return value (flags)
1
```
```

--------------------------------

### Get Macro Count

Source: https://imagej.net/ij/developer/api/ij/ij/Menus.html

Returns the number of macros installed.

```APIDOC
## GET /api/menus/getMacroCount

### Description
Returns the number of macros installed.

### Method
GET

### Endpoint
/api/menus/getMacroCount

### Response
#### Success Response (200)
- **macroCount** (integer) - The total number of macros.

#### Response Example
```json
{
  "macroCount": 50
}
```
```

--------------------------------

### Get ROIs as Array

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/frame/RoiManager.html

Returns all ROIs currently in the ROI Manager as an array. No setup is required.

```java
public Roi[] getRoisAsArray()
```

--------------------------------

### Get Selected ROI Count

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/frame/RoiManager.html

Returns the number of currently selected ROIs. No setup is required.

```java
public int selected()
```

--------------------------------

### Get Plugin Count

Source: https://imagej.net/ij/developer/api/ij/ij/Menus.html

Returns the total number of plugins currently installed or available in ImageJ.

```java
public int getPluginCount()
```

--------------------------------

### Get ROI Count

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/frame/RoiManager.html

Returns the total number of ROIs currently in the ROI Manager. No setup is required.

```java
public int getCount()
```

--------------------------------

### SaltAndPepper Setup Method

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/filter/SaltAndPepper.html

Initializes the plugin when it's loaded. It receives an argument string and the active ImagePlus object, returning a flag word specifying filter capabilities.

```java
public int setup​(
                 java.lang.String arg,
                 ImagePlus imp)

```

--------------------------------

### Get Draw Labels Status

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/frame/RoiManager.html

Checks if ROI labels are currently set to be drawn. No setup is required.

```java
public boolean getDrawLabels()
```

--------------------------------

### Get Raw ROI Manager Instance

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/frame/RoiManager.html

Returns a raw reference to the ROI Manager instance. No setup is required.

```java
public static RoiManager getRawInstance()
```

--------------------------------

### Get ROI Manager Instance

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/frame/RoiManager.html

Returns a reference to the ROI Manager. Opens it if it is not already open. No setup is required.

```java
public static RoiManager getRoiManager()
```

--------------------------------

### Setup Dialog

Source: https://imagej.net/ij/developer/api/ij/ij/IJ.html

Displays a dialog to confirm processing across multiple images.

```APIDOC
## POST /ij/setupDialog

### Description
Displays a "Process all images?" dialog to confirm an operation on multiple images.

### Method
POST

### Endpoint
/ij/setupDialog

### Parameters
#### Query Parameters
- **imp** (ImagePlus) - Optional - The ImagePlus object associated with the dialog.
- **flags** (int) - Optional - Flags that control the dialog's behavior.

### Request Example
```json
{
  "imp": null, 
  "flags": 0
}
```

### Response
#### Success Response (200)
- **result** (int) - The user's choice from the dialog.

#### Response Example
```json
{
  "result": 0 
}
```
```

--------------------------------

### Get Selected ROIs as Array

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/frame/RoiManager.html

Returns the selected ROIs as an array. If no ROIs are selected, it returns all ROIs. No setup is required.

```java
public Roi[] getSelectedRoisAsArray()
```

--------------------------------

### Method: setup

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/filter/MaximumFinder.html

Sets up the plugin filter, returning codes that describe supported formats.

```APIDOC
## POST /api/setup

### Description
Sets up the plugin filter, returning codes that describe supported formats.

### Method
POST

### Endpoint
/api/setup

### Parameters
#### Path Parameters
None

#### Query Parameters
None

#### Request Body
- **arg** (string) - Required - Not used by this plugin-filter
- **imp** (ImagePlus) - Required - The image to be filtered

### Request Example
```json
{
  "arg": "some_argument",
  "imp": "ImagePlus_object"
}
```

### Response
#### Success Response (200)
- **return_code** (int) - Code describing supported formats etc. (see ij.plugin.filter.PlugInFilter & ExtendedPlugInFilter)

#### Response Example
```json
{
  "return_code": 1
}
```
```

--------------------------------

### Get ROI by Index

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/frame/RoiManager.html

Returns a reference to the ROI at the specified index. Returns null if the index is out of range. No setup is required.

```java
public Roi getRoi(int index)
```

--------------------------------

### Retrieve Current Angle in ImageJ

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/filter/Rotator.html

A static method to get the current angle value. No specific setup or constraints are mentioned.

```java
public static double getAngle()
```

--------------------------------

### Binary Plugin Setup Method

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/filter/Binary.html

Initializes the filter when loaded by ImageJ. Returns flags indicating filter capabilities.

```java
public int setup (
                 java.lang.String arg,
                 ImagePlus imp)

```

--------------------------------

### RankFilters.setup Method

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/filter/RankFilters.html

The initial setup method for the PlugInFilter. It receives arguments and the ImagePlus object, and returns flags indicating filter capabilities.

```java
int setup​(java.lang.String arg,
      ImagePlus imp)
```

--------------------------------

### Get Background Color

Source: https://imagej.net/ij/developer/macro/functions.html

Returns the background color as a string, for example "cyan" or "#00ffff".

```ImageJ Macro
Color.background
```

--------------------------------

### Get Foreground Color

Source: https://imagej.net/ij/developer/macro/functions.html

Returns the foreground color as a string, for example "red" or "#ff0000".

```ImageJ Macro
Color.foreground
```

--------------------------------

### ScaleDialog.setup Method

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/filter/ScaleDialog.html

Details the setup method of the ScaleDialog class, which is part of the PlugInFilter interface.

```APIDOC
## Method: setup(String arg, ImagePlus imp)

### Description

This method is called once when the filter is loaded. 'arg', which may be blank, is the argument specified for this plugin in IJ_Props.txt or in the plugins.config file of a jar archive containing the plugin. 'imp' is the currently active image. This method should return a flag word that specifies the filters capabilities.

For Plugin-filters specifying the `PlugInFilter.FINAL_PROCESSING` flag, the setup method will be called again, this time with arg = "final" after all other processing is done.

### Signature

```java
public int setup(String arg, ImagePlus imp)
```

### Parameters

- **arg** (String) - The argument specified for this plugin.
- **imp** (ImagePlus) - The currently active image.

### Returns

A flag word specifying the filter's capabilities.
```

--------------------------------

### Get ROI Index by Object

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/frame/RoiManager.html

Returns the index of a specific ROI object, or -1 if the ROI is not found in the manager. No setup is required.

```java
public int getRoiIndex(Roi roi)
```

--------------------------------

### Instance Method: run()

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/LutLoader.html

The main method for the LutLoader plugin, responsible for initiating the LUT loading process.

```APIDOC
## Instance Method

### `run(String arg)`
- **Description**: If 'arg' is an empty string, this method displays a file open dialog and opens the specified LUT. Otherwise, it processes the argument as a LUT identifier.
- **Parameters**:
  - `arg` (String) - An argument string that can specify the LUT to load or be empty to open a file dialog.
- **Returns**: void
```

--------------------------------

### Get First Selected ROI Index

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/frame/RoiManager.html

Returns the index of the first selected ROI, or -1 if no ROI is currently selected. No setup is required.

```java
public int getSelectedIndex()
```

--------------------------------

### Get Image Description String

Source: https://imagej.net/ij/developer/api/ij/ij/io/FileSaver.html

Retrieves a string containing information about the specified image. No specific setup is required beyond having an image object.

```Java
public java.lang.String getDescriptionString()
```

--------------------------------

### Get ImageJ Plugins List

Source: https://imagej.net/ij/developer/api/ij/ij/Menus.html

Returns a list of the plugins currently available in the ImageJ plugins menu. This is useful for discovering and interacting with installed plugins.

```java
public static java.lang.String[] getPlugins()
```

--------------------------------

### Startup Plugin API

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/Startup.html

Details of the Startup plugin's constructors and methods.

```APIDOC
## Startup Plugin API

### Description
This plugin implements the Edit/Options/Startup command in ImageJ.

### Constructor
#### Startup()
- Description: Initializes the Startup plugin.

### Methods
#### run(String arg)
- Description: This method is called when the plugin is loaded. 'arg' may be blank and is the argument specified for this plugin in IJ_Props.txt.
- Implements: `PlugIn.run`

#### getStartupMacro()
- Returns: (String) The startup macro.

#### itemStateChanged(ItemEvent e)
- Description: Handles item state changes for the plugin.
- Implements: `java.awt.event.ItemListener.itemStateChanged`
```

--------------------------------

### Get LUT by Name

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/LutLoader.html

Retrieves a LUT by its name as an IndexColorModel. The name must correspond to an entry in the Image/Lookup Tables menu. See HelpExamplesJavaScript/Show all LUTs for examples.

```java
public static java.awt.image.IndexColorModel getLut(java.lang.String name)
```

--------------------------------

### Get Selected Indexes as String (Macro Callable)

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/frame/RoiManager.html

A macro-callable version of getSelectedIndexes() that returns the selected indexes as a string. Example: indexes=split(call("ij.plugin.frame.RoiManager.getIndexesAsString"));

```Java
public static java.lang.String getIndexesAsString()
```

--------------------------------

### Get Lookup Table Intensities

Source: https://imagej.net/ij/developer/macro/functions.html

Returns three arrays containing the red, green, and blue intensity values from the current lookup table. See the LookupTables macros for examples.

```ImageJ Macro
Color.getLut(reds, greens, blues)
```

--------------------------------

### FFTCustomFilter setup Method

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/filter/FFTCustomFilter.html

This method is called once when the filter is loaded to configure its capabilities. It returns a flag word specifying the filter's properties and can be called again for final processing.

```java
public
int
setup​(java.lang.String
arg,
ImagePlus
imp)
```

--------------------------------

### Startup Plugin getStartupMacro() Method

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/Startup.html

Retrieves the startup macro associated with the plugin.

```java
public java.lang.String getStartupMacro()
```

--------------------------------

### Get ROI Manager Instance (Null if Not Exists)

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/frame/RoiManager.html

Returns a reference to the ROI Manager window or the macro batch mode ROI Manager, or null if neither exists. No setup is required.

```java
public static RoiManager getInstance2()
```

--------------------------------

### Set Key Up Event

Source: https://imagej.net/ij/developer/api/ij/ij/IJ.html

Simulates a key up event for a specified key. Use with caution.

```java
public static void setKeyUp​(int key)
```

--------------------------------

### Get Font with Fallback

Source: https://imagej.net/ij/developer/api/ij/ij/util/FontUtil.html

Returns a font with the specified family name, style, and size. If the requested font family is not available, it attempts to return a similar font. For example, Helvetica might be replaced by Arial.

```java
public static java.awt.Font getFont(java.lang.String fontFamilyName,
                                    int style,
                                    float size)
```

--------------------------------

### Get Look-Up Tables (LUTs)

Source: https://imagej.net/ij/developer/api/ij/ij/ImagePlus.html

Retrieves the array of Look-Up Tables (LUTs) used by the image, one for each channel. Returns an empty array if the image is RGB. The example shows how to iterate through LUTs and log their min/max values.

```java
public LUT[] getLuts()
```

```javascript
luts = imp.getLuts();
  for (i=0; iluts.length; i++)
     IJ.log((i+1)+“: “+luts[i].min+“-“+luts[i].max);
  
```

--------------------------------

### Singleton Instance and Command Handling

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/frame/SyncWindows.html

Methods for obtaining a singleton instance and handling commands.

```APIDOC
## getInstance

### Description
Returns the singleton instance of SyncWindows.

### Method
public static SyncWindows getInstance()

### Endpoint
N/A (Class Method)

### Response Example
N/A
```

```APIDOC
## commandExecuting

### Description
Specified by: commandExecuting in interface CommandListener.

### Method
public java.lang.String commandExecuting(java.lang.String command)

### Endpoint
N/A (Interface Method)

### Parameters
- **command** (java.lang.String) - The command being executed.

### Response Example
N/A
```

--------------------------------

### Get Image Statistics - ImageJ

Source: https://imagej.net/ij/developer/api/ij/ij/ImagePlus.html

Retrieves calibrated statistics for the current image or ROI, including histogram, area, mean, min, max, standard deviation, and mode. This example shows how to log the area, mean, and max values.

```java
imp = IJ.getImage();
stats = imp.getStatistics();
IJ.log("Area: "+stats.area);
IJ.log("Mean: "+stats.mean);
IJ.log("Max: "+stats.max);
```

--------------------------------

### Install User Plugin

Source: https://imagej.net/ij/developer/api/ij/ij/Menus.html

Installs a user-defined plugin into ImageJ. The 'force' parameter can be used to override existing installations.

```java
public void installUserPlugin​(java.lang.String className,
                              boolean force)
```

--------------------------------

### setup Method for PlugInFilter

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/filter/XYWriter.html

This method is called once when the filter is loaded. It receives an argument string and the active ImagePlus object. It should return a flag word specifying the filter's capabilities. The setup method may be called again with 'final' as the argument after all other processing is done if PlugInFilter.FINAL_PROCESSING is set.

```java
public
int
setup(java.lang.String
arg,
ImagePlus
imp)
```

--------------------------------

### Method: showDialog

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/filter/MaximumFinder.html

Displays a dialog for user interaction after setup, unless the DONE flag is set.

```APIDOC
## POST /api/showDialog

### Description
Displays a dialog for user interaction after setup, unless the DONE flag is set. This method is called after `setup(arg, imp)` unless the `DONE` flag has been set.

### Method
POST

### Endpoint
/api/showDialog

### Parameters
#### Path Parameters
None

#### Query Parameters
None

#### Request Body
- **imp** (ImagePlus) - Required - The active image already passed in the `setup(arg, imp)` call. It will be null, however, if the `NO_IMAGE_REQUIRED` flag has been set.
- **command** (string) - Required - The command that has led to the invocation of the plugin-filter. Useful as a title for the dialog.
- **pfr** (PlugInFilterRunner) - Required - The PlugInFilterRunner calling this plugin-filter. It can be passed to a GenericDialog by `addPreviewCheckbox` to enable preview by calling the `run(ip)` method of this plugin-filter. `pfr` can be also used later for calling back the PlugInFilterRunner, e.g., to obtain the slice number currently processed by `run(ip)`.

### Request Example
```json
{
  "imp": "ImagePlus_object",
  "command": "Find Maxima",
  "pfr": "PlugInFilterRunner_object"
}
```

### Response
#### Success Response (200)
- **flags** (int) - A combination (bitwise OR) of the flags specified in interfaces `PlugInFilter` and `ExtendedPlugInFilter`.

#### Response Example
```json
{
  "flags": 1
}
```
```

--------------------------------

### MacroInstaller Methods

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/MacroInstaller.html

Documentation for the various methods available in the MacroInstaller class for installing and managing macros.

```APIDOC
## Methods

### actionPerformed(java.awt.event.ActionEvent evt)

- Description: Handles action events, typically from UI components.
- Modifier: Instance
- Return Type: void

### autoRun()

- Description: Runs the StartupMacros AutoRun macro on the current thread.
- Modifier: Static
- Return Type: void

### getFileName()

- Description: Retrieves the name of the currently processed macro file.
- Modifier: Static
- Return Type: java.lang.String

### getMacroCount()

- Description: Returns the number of macros currently installed or processed.
- Modifier: Instance
- Return Type: int

### getProgram()

- Description: Retrieves the macro program associated with this installer instance.
- Modifier: Instance
- Return Type: Program

### install(java.lang.String text)

- Description: Installs a macro from the provided text.
- Modifier: Instance
- Parameters:
  - text (java.lang.String) - The macro code as a string.
- Return Type: int - The number of macros installed.

### install(java.lang.String text, java.awt.Menu menu)

- Description: Installs a macro from the provided text into a specific menu.
- Modifier: Instance
- Parameters:
  - text (java.lang.String) - The macro code as a string.
  - menu (java.awt.Menu) - The menu to which the macro should be added.
- Return Type: int - The number of macros installed.

### installFile(java.lang.String path)

- Description: Installs macros from a file specified by its path.
- Modifier: Instance
- Parameters:
  - path (java.lang.String) - The file path to the macro file.
- Return Type: void

### installFromIJJar(java.lang.String path)

- Description: Installs a macro set contained within the ij.jar file, specified by its path.
- Modifier: Instance
- Parameters:
  - path (java.lang.String) - The path to the macro set within ij.jar.
- Return Type: void

### installFromJar(java.lang.String path)

- Description: Installs a macro set contained within a JAR file, specified by its path.
- Modifier: Static
- Parameters:
  - path (java.lang.String) - The file path to the JAR file containing the macro set.
- Return Type: void

### installLibrary(java.lang.String path)

- Description: Installs a macro library from the specified file path.
- Modifier: Instance
- Parameters:
  - path (java.lang.String) - The file path to the macro library.
- Return Type: void

### installSingleTool(java.lang.String text)

- Description: Installs a single macro as a tool from the provided text.
- Modifier: Instance
- Parameters:
  - text (java.lang.String) - The macro code as a string.
- Return Type: void
```

--------------------------------

### Open Folder as Stack (Instance Method)

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/FolderOpener.html

Opens images in the specified directory as a stack using an instance method. Displays directory chooser and options dialogs if the path is null.

```java
public ImagePlus openFolder(java.lang.String path)

```

--------------------------------

### Open Folder as Stack (Simple)

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/FolderOpener.html

Opens images in a directory as a stack. Displays a directory chooser and options dialog if the path is null.

```java
public static ImagePlus open(java.lang.String path)

```

--------------------------------

### Undo Setup Method

Source: https://imagej.net/ij/developer/api/ij/ij/Undo.html

Sets up the undo mechanism for a given operation type and image.

```java
public static void setup(
                         int what,
                         ImagePlus imp)
```

--------------------------------

### ImageMath showDialog Method

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/filter/ImageMath.html

This method is called after setup(arg, imp) unless the DONE flag has been set. It is used to display the plugin's dialog.

```java
publicintshowDialog(
                      ImagePlusimp,
                      java.lang.Stringcommand,
                      PlugInFilterRunnerpfr)

```

--------------------------------

### MacroInstaller Class Overview

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/MacroInstaller.html

Provides an overview of the MacroInstaller class, its purpose, and inherited interfaces.

```APIDOC
## MacroInstaller Class

This plugin implements the Plugins/Macros/Install Macros command. It is also used by the Editor class to install macros in menus and by the ImageJ class to install macros at startup.

### Implemented Interfaces
- `MacroConstants`
- `PlugIn`
- `java.awt.event.ActionListener`
- `java.util.EventListener`

### Fields inherited from interface ij.macro.MacroConstants
[List of constants available from MacroConstants interface]
```

--------------------------------

### JavaScript Example: Populate and Show ResultsTable

Source: https://imagej.net/ij/developer/api/ij/ij/measure/ResultsTable.html

Demonstrates creating a ResultsTable, adding rows and values for 'n', 'Sine(n)', and 'Cos(n)', and then displaying the table with a specified title.

```javascript
rt = new ResultsTable();
 for (n=0; n<=2*Math.PI; n+=0.1) {
    rt.addRow();
    rt.addValue("n", n);
    rt.addValue("Sine(n)", Math.sin(n));
    rt.addValue("Cos(n)", Math.cos(n));
 }
 rt.show("Sine/Cosine Table");
 
```

--------------------------------

### Get Toolbar Instance

Source: https://imagej.net/ij/developer/api/ij/ij/gui/class-use/Toolbar.html

This snippet shows how to get a reference to the ImageJ toolbar instance.

```APIDOC
## Get Toolbar Instance

### Description
Returns a reference to the ImageJ toolbar.

### Method
`static Toolbar`

### Endpoint
`Toolbar.getInstance()`

### Parameters
None

### Request Example
None

### Response
#### Success Response (200)
- **Toolbar** (Toolbar) - A reference to the ImageJ toolbar instance.

#### Response Example
```java
Toolbar toolbar = Toolbar.getInstance();
```
```

--------------------------------

### ImageMath setup Method

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/filter/ImageMath.html

This method is called once when the filter is loaded. It should return a flag word specifying the filter's capabilities. It is called again with arg = "final" after all other processing is done if PlugInFilter.FINAL_PROCESSING is specified.

```java
publicintsetup(
                 java.lang.Stringarg,
                 ImagePlusimp)

```

--------------------------------

### Get Show All Color (Obsolete)

Source: https://imagej.net/ij/developer/api/ij/ij/gui/ImageCanvas.html

Obsolete static method to get the 'show all' color.

```java
public static java.awt.Color getShowAllColor()
```

--------------------------------

### Install Plugin with Menu Code

Source: https://imagej.net/ij/developer/api/ij/ij/Menus.html

Installs a plugin into ImageJ and associates it with a specific menu code.

```java
public static int installPlugin​(java.lang.String plugin,
                                char menuCode,
                                
```

--------------------------------

### Open Folder as Stack (with Options)

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/FolderOpener.html

Opens images in a directory as a stack, with customizable options. Supports virtual stacks, filtering, and image properties like bit depth and scale. Displays the Import/Sequence dialog if the path is null.

```java
public static ImagePlus open(java.lang.String path,
                             java.lang.String options)

```

--------------------------------

### Get ROIs (Deprecated)

Source: https://imagej.net/ij/developer/api/ij/ij/plugin/frame/RoiManager.html

Deprecated method to get all ROIs. Use getCount() or getRoisAsArray() instead.

```java
public java.util.Hashtable getROIs()
```

--------------------------------

### Get Preferred Size

Source: https://imagej.net/ij/developer/api/ij/ij/gui/ProgressBar.html

Overrides the getPreferredSize method from java.awt.Component to get the preferred size of the component.

```APIDOC
## getPreferredSize

### Description
Overrides the getPreferredSize method from java.awt.Component.

### Method
public java.awt.Dimension getPreferredSize()

### Response
#### Success Response (200)
- **Dimension** (java.awt.Dimension) - The preferred size of the component.
```

--------------------------------

### StartupRunner run(boolean batchMode) Method

Source: https://imagej.net/ij/developer/api/ij/ij/macro/StartupRunner.html

Runs the RunAtStartup and AutoRun macros. If batchMode is true, macros run on the current thread; otherwise, they run on a separate thread.

```java
public void run​(boolean batchMode)
```