#include "ltimgkrn.h"
L_LTIMGKRN_API L_INT L_ImgKrnInvertImage(bitmap)
Inverts the colors in the specified bitmap, giving it the appearance of a photographic negative.
Pointer to the bitmap handle referencing the bitmap to be processed.
Value | Meaning |
---|---|
SUCCESS | The function was successful. |
< 1 | An error occurred. Refer to Return Codes. |
Required DLLs and Libraries
Win32, x64, Linux.
This example loads a bitmap and inverts it.
L_INT KrnInvertImageExample(L_VOID)
{
L_INT ret;
BITMAPHANDLE bitmap; /* Bitmap handle to hold the loaded image. */
/* Load the bitmap */
ret = L_LoadBitmap(MAKE_IMAGE_PATH(TEXT("cannon.jpg")), &bitmap, sizeof(BITMAPHANDLE), 0, ORDER_BGR, NULL, NULL);
if (ret != SUCCESS)
return ret;
/* Invert the image colors */
ret = L_ImgKrnInvertImage(&bitmap);
if (ret == SUCCESS)
ret = L_SaveBitmap(MAKE_IMAGE_PATH(TEXT("Result.BMP")), &bitmap, FILE_BMP, 24, 0, NULL);
L_FreeBitmap(&bitmap);
return ret;
}
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