L_SwapColors
#include "l_bitmap.h"
L_BOOL EXT_FUNCTION L_SwapColors(pBitmapHndl, nFlags)
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pBITMAPHANDLE pBitmapHndl; |
/* pointer to the bitmap handle */ |
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L_INT nFlags; |
/* flag */ |
Swaps the specified color channels.
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Parameter |
Description |
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pBitmapHndl |
Pointer to the bitmap handle that references the bitmap in which to swap the specified color channels. |
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nFlags |
Flag that indicates which color channels to swap. Possible values are: |
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Value |
Meaning |
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SWAP_RG |
Swap the red and green channels. (Change red to green and green to red.) |
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SWAP_RB |
Swap the red and blue channels. (Change red to blue and blue to red.) |
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SWAP_GB |
Swap the green and blue channels. (Change green to blue and blue to green.) |
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SWAP_RGBR |
Change red to green, green to blue and blue to red. |
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SWAP_RBGR |
Change red to blue, blue to green and green to red. |
Returns
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SUCCESS |
The function was successful. |
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< 1 |
An error occurred. Refer to Return Codes. |
Comments
This function changes the bitmap data.
This function can process the whole image or a region of the image.
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 supports signed data images.
Required DLLs and Libraries
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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
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Functions: |
L_ConvertToColoredGray, L_BalanceColors, L_GrayScaleBitmap, L_GrayScalebitmapExt, L_IsGrayScaleBitmap, L_AdjustBitmapTint, L_ColorHalfToneBitmap |
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Topics: |
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Example
/* This example assumes there is a bitmap loaded into Bitmap, which is of type BITMAPHANDLE. */
L_SwapColors(&Bitmap, SWAP_RG);