Available in LEADTOOLS Imaging Pro, Vector, Document, and Medical Imaging toolkits. |
L_GetPNGTRNS
#include "l_bitmap.h"
L_LTFIL_API L_UINT L_GetPNGTRNS (pData)
L_UCHAR *pData; |
/* pointer to a buffer */ |
Gets the transparency data used by LEADTOOLS when loading PNG files.
Parameter |
Description |
pData |
Pointer to a buffer to be updated with the transparency data used when loading PNG files. |
Returns
SUCCESS |
The function was successful. |
< 1 |
An error occurred. Refer to Return Codes. |
Comments
This function supports1-bit to 8-bit PNG images.
To set the transparency data used when saving PNG files, use L_SetPNGTRNS function.
The transparency data obtained by this function is valid for the current thread.
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. |
Platforms
Windows 95 / 98 / Me, Windows 2000 / XP, Windows CE.
See Also
Functions: |
L_SetPNGTRNS, L_SetBitmapAlpha, L_CreateMaskFromBitmapRgn, L_SetBitmapRgnFromMask |
Topics: |
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Example
//This example gets PNG transparency data
L_INT GetPNGTRNSExample(L_UCHAR * pData) { L_INT nRet; nRet = L_GetPNGTRNS(pData); return nRet; }