L_SetPNGTRNS

#include "l_bitmap.h"

L_LTFIL_API L_INT L_SetPNGTRNS (pData, uSize)

L_UCHAR * pData;	pointer to a buffer
L_UINT uSize;	size of the buffer pointed by pData

Sets the transparency data used by LEADTOOLS when saving PNG files.

Parameter	Description
pData	Pointer to a buffer that contains the transparency data to be used for saving PNG files.
uSize	Size in bytes, of the buffer pointed to by pData.

Returns

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

Comments

This function supports 1-bit to 8-bit PNG images.

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.

Functions:	L_GetPNGTRNS, L_SetBitmapAlpha, L_CreateMaskFromBitmapRgn, L_SetBitmapRgnFromMask
Topics:	Raster Image Functions: Saving Files
	Loading and Saving Images
	PNG Files and Transparency

L_SetPNGTRNS

Returns

Comments

Example