L_EmbossBitmap
#include "l_bitmap.h"
L_INT EXT_FUNCTION L_EmbossBitmap(pBitmap, uDirection, uDepth)
pBITMAPHANDLE pBitmap; |
/* pointer to the bitmap handle */ |
L_UINT uDirection; |
/* direction of the apparent light source */ |
L_UINT uDepth; |
/* apparent depth of this three-dimensional effect */ |
Applies an emboss effect to a bitmap, letting you specify the depth and direction of the effect.
Parameter |
Description |
|
pBitmap |
Pointer to the bitmap handle referencing the target bitmap. |
|
uDirection |
The direction of the apparent light source. Valid values are: |
|
|
EMBOSS_N |
[0] |
|
EMBOSS_NE |
[1] |
|
EMBOSS_E |
[2] |
|
EMBOSS_SE |
[3] |
|
EMBOSS_S |
[4] |
|
EMBOSS_SW |
[5] |
|
EMBOSS_W |
[6] |
|
EMBOSS_NW |
[7] |
uDepth |
The apparent depth of this three-dimensional effect. Valid values are 0 to 1000, with 500 as normal. |
Returns
SUCCESS |
The function was successful. |
< 1 |
An error occurred. Refer to Return Codes. |
Comments
To update a status bar or detect a user interrupt during execution of this function, refer to L_SetStatusCallback.
This function supports 12 and 16-bit grayscale and 48 and 64-bit color images. Support for 12 and 16-bit grayscale and 48 and 64-bit color images is available only in the Document/Medical toolkits.
This function does not support signed data images. It returns the error code ERROR_SIGNED_DATA_NOT_SUPPORTED if a signed data image is passed to this function.
Required DLLs and Libraries
LTIMG 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.
See Also
Example
For complete sample code, refer to the CHILD.C module of the DEMO example.
/* This example loads a bitmap and embosses it. */
BITMAPHANDLE LeadBitmap; /* Bitmap handle to hold the loaded image. */
/* Load the bitmap, keeping the bits per pixel of the file */
L_LoadBitmap (TEXT("IMAGE1.CMP"), &LeadBitmap, sizeof(BITMAPHANDLE), 0, ORDER_BGR, NULL, NULL);
/* Emboss with northeast direction and average depth */
L_EmbossBitmap(&LeadBitmap, EMBOSS_NE, 500 );