# ViewDestination Class

> Represents a particular view of a page in a document.

- Product: Adobe PDF Library 21
- Language: Modern C++
- Version: 21.4.0
- HTML page: https://docs.datalogics.com/apdfl21/ModernCPP/21.4.0/class/ViewDestination
- Version index: https://docs.datalogics.com/apdfl21/ModernCPP/21.4.0/llms.txt

```cpp
class ViewDestination
```

**Namespace:** `datalogics_interface`

## Description

Represents a particular view of a page in a document.

A destination describes a place in the PDF document where the user will be taken in response to clicking a hyperlink. The destination defines where a bookmark or hyperlink points to.

The ViewDestination contains a reference to a page, a place (rectangle) on that page, and information specifying how to adjust the view to fit the window's size and shape.

**Referenced by:** [`Bookmark`](https://docs.datalogics.com/apdfl21/ModernCPP/21.4.0/class/Bookmark.md), [`GoToAction`](https://docs.datalogics.com/apdfl21/ModernCPP/21.4.0/class/GoToAction.md), [`LinkAnnotation`](https://docs.datalogics.com/apdfl21/ModernCPP/21.4.0/class/LinkAnnotation.md)

**Uses types:** [`PDFArray`](https://docs.datalogics.com/apdfl21/ModernCPP/21.4.0/class/PDFArray.md), [`Rect`](https://docs.datalogics.com/apdfl21/ModernCPP/21.4.0/struct/Rect.md)

## Constructors

### ViewDestination

```cpp
datalogics_interface::ViewDestination::ViewDestination(Document &doc, int page_number, const std::string &fit_type, const Rect &rect, double zoom)
```

*constructor*

**Parameters**

- `doc` ([`Document &`](https://docs.datalogics.com/apdfl21/ModernCPP/21.4.0/class/Document.md)): Containing document
- `page_number` (`int`): Target page number
- `fit_type` (`const std::string &`): Fit Type must be: "XYZ", "Fit", "FitH", "FitV", "FitR", "FitB", "FitBH", or "FitBV".
- `rect` ([`const Rect &`](https://docs.datalogics.com/apdfl21/ModernCPP/21.4.0/struct/Rect.md)): Target rectangle
- `zoom` (`double`): Zoom level

General purpose constructor: construct with all elements

### ViewDestination

```cpp
datalogics_interface::ViewDestination::ViewDestination(ViewDestination &&) noexcept
```

*constructor*

**Parameters**

- (unnamed) ([`ViewDestination &&`](https://docs.datalogics.com/apdfl21/ModernCPP/21.4.0/class/ViewDestination.md))

### ~ViewDestination

```cpp
datalogics_interface::ViewDestination::~ViewDestination()
```

*destructor*

## Fields

### null_value

```cpp
static double datalogics_interface::ViewDestination::null_value
```

*static*

Constant used for "null" values in destination rectangles or zoom.

## Methods

### get_dest_rect

```cpp
Rect datalogics_interface::ViewDestination::get_dest_rect() const
```

**Returns:** [`Rect`](https://docs.datalogics.com/apdfl21/ModernCPP/21.4.0/struct/Rect.md)

The destination rectangle for this view.

The destination rectangle.

Coordinates with a value of NullValue indicate that the corresponding coordinate is not specified in the destination.

### get_fit_type

```cpp
std::string datalogics_interface::ViewDestination::get_fit_type() const
```

**Returns:** `std::string`

The fit type string for this destination.

The fit type describing how the destination page is displayed.

The fit type determines how the page content is fitted into the window. Valid fit types are: "XYZ", "Fit", "FitH", "FitV", "FitR", "FitB", "FitBH", and "FitBV".

### get_page_number

```cpp
int datalogics_interface::ViewDestination::get_page_number() const
```

**Returns:** `int`

The zero-based page number for this destination.

The page number of the destination.

### get_pdf_array

```cpp
std::unique_ptr< PDFArray > datalogics_interface::ViewDestination::get_pdf_array()
```

**Returns:** [`std::unique_ptr< PDFArray >`](https://docs.datalogics.com/apdfl21/ModernCPP/21.4.0/class/PDFArray.md)

The underlying PDF array object for this destination.

Retrieve the PDFArray representation of this ViewDestination.

### get_zoom

```cpp
double datalogics_interface::ViewDestination::get_zoom() const
```

**Returns:** `double`

The zoom factor, or NullValue if not set.

The zoom factor for the destination.

A value of NullValue indicates that the zoom factor is not specified.

### operator=

```cpp
ViewDestination & datalogics_interface::ViewDestination::operator=(ViewDestination &&) noexcept
```

**Parameters**

- (unnamed) ([`ViewDestination &&`](https://docs.datalogics.com/apdfl21/ModernCPP/21.4.0/class/ViewDestination.md))

**Returns:** [`ViewDestination &`](https://docs.datalogics.com/apdfl21/ModernCPP/21.4.0/class/ViewDestination.md)

### operator==

```cpp
bool datalogics_interface::ViewDestination::operator==(const ViewDestination &other) const
```

**Parameters**

- `other` ([`const ViewDestination &`](https://docs.datalogics.com/apdfl21/ModernCPP/21.4.0/class/ViewDestination.md)): The ViewDestination to compare against.

**Returns:** `bool`

true if the two ViewDestination objects refer to the same destination, false otherwise.

Compare two ViewDestination objects for equality.

Two ViewDestination objects are considered equal if their underlying PDF Cos objects are equal.

### set_dest_rect

```cpp
void datalogics_interface::ViewDestination::set_dest_rect(const Rect &rect)
```

**Parameters**

- `rect` ([`const Rect &`](https://docs.datalogics.com/apdfl21/ModernCPP/21.4.0/struct/Rect.md)): The rectangle defining the visible area of the destination page.

**Returns:** `void`

Set the destination rectangle of the view.

### set_fit_type

```cpp
void datalogics_interface::ViewDestination::set_fit_type(const std::string &fit_type)
```

**Parameters**

- `fit_type` (`const std::string &`): The fit type string. Must be one of: "XYZ", "Fit", "FitH", "FitV", "FitR", "FitB", "FitBH", or "FitBV".

**Returns:** `void`

Set the fit type for the view.

### set_page_number

```cpp
void datalogics_interface::ViewDestination::set_page_number(int page_number)
```

**Parameters**

- `page_number` (`int`): The zero-based page number to set as the destination.

**Returns:** `void`

Set the page number of the destination starting at 0.

### set_zoom

```cpp
void datalogics_interface::ViewDestination::set_zoom(double zoom)
```

**Parameters**

- `zoom` (`double`): The zoom level to apply when navigating to this destination.

**Returns:** `void`

Set the zoom factor for the destination.

### to_string

```cpp
std::string datalogics_interface::ViewDestination::to_string() const
```

**Returns:** `std::string`

A formatted string describing this ViewDestination.

Return a string representation of the ViewDestination.

The string includes the page number, fit type, destination rectangle, and zoom factor.