L_AnnSetDpiX

Summary

Sets the horizontal DPI (dots per inch) value that is used to translate user input, such as font size, that is expressed in physical measurements.

Syntax

#include "l_bitmap.h"

L_LTANN_API L_INT L_AnnSetDpiX(hObject, dDpiX, uFlags)

Parameters

HANNOBJECT hObject

Handle to the annotation automation object.

L_DOUBLE dDpiX

The horizontal DPI value to set. Valid values are greater than or equal to 1.

If you pass 0 or a positive value less than 1, the value will default to 150. If you pass a negative value, the function will return an error.

L_UINT uFlags

Reserved for future use. You can pass 0.

Returns

Value Meaning
SUCCESS The function was successful.
< 1 An error occurred. Refer to Return Codes.

Comments

The DPI properties apply only to the annotation automation object. Refer to Annotation Automation Object.

Typically, if you are matching annotations to a bitmap, you can use the bitmap handle's XResolution field to set this value.

Required DLLs and Libraries

Platforms

Win32, x64.

See Also

Functions

Topics

Example

For an example, refer to Implementing an Automated Annotation Program.
For a complete sample code, refer to the \Examples\Annotation\C\Annotate demo.

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