#include "ltwrappr.h"
static L_INT LFileSettings::SetJ2KOptions(pOptions)
const pFILEJ2KOPTIONS pOptions; |
pointer to a structure |
Sets the file options used by LEADTOOLS when saving J2K or JP2 files.
Parameter |
Description |
pOptions |
Pointer to a structure that contains the options to use when saving J2K or JP2 files. |
SUCCESS |
The function was successful. |
< 1 |
An error occurred. Refer to Return Codes. |
The nSize member of the FILEJ2KOPTIONS structure must be set before calling this function.
The values set by this function are valid for the current thread. To change the values used by the current thread, this function must be called again.
Required DLLs and Libraries
LTFIL 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.
Functions: |
LFileSettings::GetJ2KOptions, LFileSettings::GetDefaultJ2KOptions, Class Members |
Topics: |
|
|
This example will make it so the next time you save a JPEG2000 or enhanced CMP file, it will be saved with a 100:1 compression ratio.
L_INT LFileSettings__SetJ2KOptionsExample()
{
L_INT nRet;
FILEJ2KOPTIONS J2KOptions;
// Get the current values. Change the
// compression ratio
nRet = LFileSettings::GetJ2KOptions( &J2KOptions, sizeof(FILEJ2KOPTIONS));
if(nRet != SUCCESS)
return nRet;
// set the compression control to make sure we will be
// using the compression control
J2KOptions.uCompressionControl = J2K_COMPRESSION_RATIO;
// set the compression ratio to 100
J2KOptions.fCompressionRatio = 100.0f;
// set the compression options. The next time I save a
// JPEG2000 file, it will be saved with 100:1 compression ratio
nRet = LFileSettings::SetJ2KOptions(&J2KOptions);
if(nRet != SUCCESS)
return nRet;
return SUCCESS;
}
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