L_ClrConvertDirectToBitmap
#include "ltkrn.h"
#include "ltclr.h"
L_INT EXT_FUNCTION L_ClrConvertDirectToBitmap(nSrcFormat, nDstFormat, pSrcBuf, pBitmap, uStructSize, nWidth, nHeight, nInAlign, nOutAlign)
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L_INT nSrcFormat; |
/* format of the input data */ |
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L_INT nDstFormat; |
/* format of the output data */ |
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L_CHAR * pSrcBuf; |
/* pointer to the input buffer */ |
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BITMAPHANDLE * pBitmap; |
/* pointer to the output LEAD bitmap */ |
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L_UINT uStructSize; |
/* size in bytes, of pBitmap */ |
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L_INT nWidth; |
/* width of pixels to be processed */ |
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L_INT nHeight; |
/* height of pixels to be processed */ |
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L_INT nInAlign; |
/* each scanline in the input buffer is a multiple of nInAlign bytes */ |
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L_INT nOutAlign; |
/* each scan line in the output buffer is a multiple of nOutAlign bytes */ |
Converts image data in a buffer from one color conversion model to RGB\BGR directly using built in algorithms, and sets the output as a LEAD bitmap.
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Parameter |
Description |
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nSrcFormat |
Format of the source data. Possible values are: |
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Value |
Meaning |
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CCS_RGB |
[0x00] Color conversion is RGB. |
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CCS_YUV |
[0x01] Color conversion is YUV. |
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CCS_CMYK |
[0x02] Color conversion is CMYK. |
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CCS_HSV |
[0x03] Color conversion is HSV. |
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CCS_HLS |
[0x04] Color conversion is HLS. |
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CCS_YIQ |
[0x05] Color conversion is YIQ. |
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CCS_CMY |
[0x06] Color conversion is CMY. |
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CCS_LAB |
[0x07] Color conversion is CIELAB. |
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CCS_XYZ |
[0x08] Color conversion is CIEXYZ. |
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CCS_YCCK |
[0x0B] Color conversion is YCCK. |
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CCS_BGR |
[0x0C] Color conversion is BGR. |
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CCS_UYVY |
[0x0E] Color conversion is UYVY. |
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CCS_YUY2 |
[0x09] Color conversion is YUY2. |
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CCS_YVU9 |
[0x0A] Color conversion is YVU9. |
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CCS_YCC |
[0x0F] Color conversion is YCC. |
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CCS_IHS |
[0x10] Color conversion is IHS. |
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nDstFormat |
Format of the output data. Possible values are: |
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Value |
Meaning |
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CCS_RGB |
[0x00] Color conversion is RGB. |
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CCS_BGR |
[0x0C] Color conversion is BGR. |
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pSrcBuf |
Pointer to the buffer holding the input data. |
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pBitmap |
Pointer to the LEAD bitmap that will hold the converted data. |
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uStructSize |
Size in bytes, of the structure pointed to by pBitmap, for versioning. Use sizeof(BITMAPHANDLE). |
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nWidth |
Width of pixels to be processed. |
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nHeigh |
Height of pixels to be processed. |
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nInAlign |
Each scanline in the input buffer is a multiple of nInAlign bytes. |
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nOutAlign |
Each scanline in the output buffer is a multiple of nOutAlign bytes. |
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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 works only for conversion to BGR or RGB color space formats.
Required DLLs and Libraries
LTCLR
For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application
See Also
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Functions: |
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Topics: |
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Example
L_INT Fast_Convert_CMYKToRGB(L_UCHAR *pInput, BITMAPHANDLE *pBitmap, L_INT nWidth, L_INT nHeight)
{
/* direct conversion using built in options */
return L_ClrConvertDirectToBitmap(CCS_CMYK, /* input color conversion */
CCS_RGB, /*output color conversion */
pInput, /*input buffer*/
pBitmap, /*output bitmap*/
sizeof(BITMAPHANDLE),
nWidth /*pixels width*/
nHeight, /*pixels height*/
0, /* 0 bytes align*/
0); /*0 bytes align*/
}