L_GetPaintContrast
#include "l_bitmap.h"
L_LTDIS_API L_INT L_GetPaintContrast(pBitmap)
pBITMAPHANDLE pBitmap; |
/* pointer to the bitmap handle */ |
Gets the current contrast value for the specified bitmap. This value is set by the L_SetPaintContrast function.
Parameter |
Description |
pBitmap |
Pointer to the bitmap handle that references the bitmap from which to retrieve the contrast value. This cannot be NULL. |
Returns
The current contrast setting. Possible values are -1000 to +1000.
Required DLLs and Libraries
LTDIS 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 2000 / XP/Vista, Windows CE.
See Also
Functions: |
L_SetPaintContrast, L_GetPaintGamma, L_SetPaintGamma, L_GetPaintIntensity, L_SetPaintIntensity |
Topics: |
Example
This example gets the current paint settings, and then updates the bitmap to reflect those values.
L_INT GetPaintContrastExample(pBITMAPHANDLE pBitmap) { L_INT nRet; L_INT nContrast; L_UINT uGamma; L_INT nIntensity; /* Get the values */ nContrast = L_GetPaintContrast(pBitmap); uGamma = L_GetPaintGamma(pBitmap); nIntensity = L_GetPaintIntensity(pBitmap); /* Update the bitmap */ nRet = L_ChangeBitmapContrast(pBitmap, nContrast); if(nRet != SUCCESS) return nRet; nRet = L_GammaCorrectBitmap(pBitmap, uGamma); if(nRet != SUCCESS) return nRet; nRet = L_ChangeBitmapIntensity(pBitmap, nIntensity); if(nRet != SUCCESS) return nRet; return SUCCESS; }