LEADTOOLS Raster Imaging C DLL Help > Function References > L_AnnSetDpiX |
#include "l_bitmap.h"
L_LTANN_API L_INT L_AnnSetDpiX(hObject, dDpiX, uFlags)
HANNOBJECT hObject; |
/* handle to the annotation automation object */ |
L_DOUBLE dDpiX; |
/* horizontal DPI value to set */ |
L_UINT uFlags; |
/* reserved for future use */ |
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.
Parameter |
Description |
hObject |
Handle to the annotation automation object. |
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. |
uFlags |
Reserved for future use. You can pass 0. |
Returns
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
For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application. |
Win32, x64.
See Also
Example
For an example, refer to Implementing an Automated Annotation Program. For complete sample code, refer to the ANNOTATE example.