L_ClrConvertDirectToBitmap
#include "ltkrn.h"
#include "ltclr.h"
L_LTCLR_API L_INT L_ClrConvertDirectToBitmap(nSrcFormat, nDstFormat, pSrcBuf, pBitmap, uStructSize, nWidth, nHeight, nInAlign, nOutAlign)
|
L_INT nSrcFormat; |
/* format of the input data */ |
|
L_INT nDstFormat; |
/* format of the output data */ |
|
L_UCHAR * pSrcBuf; |
/* pointer to the input buffer */ |
|
pBITMAPHANDLE * pBitmap; |
/* pointer to the output LEAD bitmap */ |
|
L_UINT uStructSize; |
/* size in bytes, of pBitmap */ |
|
L_INT nWidth; |
/* width of pixels to be processed */ |
|
L_INT nHeight; |
/* height of pixels to be processed */ |
|
L_INT nInAlign; |
/* each scanline in the input buffer is a multiple of nInAlign bytes */ |
|
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.
|
Parameter |
Description |
|
|
nSrcFormat |
Format of the source data. Possible values are: |
|
|
|
Value |
Meaning |
|
|
CCS_RGB |
[0x00] Color conversion is RGB. |
|
|
CCS_YUV |
[0x01] Color conversion is YUV. |
|
|
CCS_CMYK |
[0x02] Color conversion is CMYK. |
|
|
CCS_HSV |
[0x03] Color conversion is HSV. |
|
|
CCS_HLS |
[0x04] Color conversion is HLS. |
|
|
CCS_YIQ |
[0x05] Color conversion is YIQ. |
|
|
CCS_CMY |
[0x06] Color conversion is CMY. |
|
|
CCS_LAB |
[0x07] Color conversion is CIELAB. |
|
|
CCS_XYZ |
[0x08] Color conversion is CIEXYZ. |
|
|
CCS_YCCK |
[0x0B] Color conversion is YCCK. |
|
|
CCS_BGR |
[0x0C] Color conversion is BGR. |
|
|
CCS_UYVY |
[0x0E] Color conversion is UYVY. |
|
|
CCS_YUY2 |
[0x09] Color conversion is YUY2. |
|
|
CCS_YVU9 |
[0x0A] Color conversion is YVU9. |
|
|
CCS_YCC |
[0x0F] Color conversion is YCC. |
|
|
CCS_IHS |
[0x10] Color conversion is IHS. |
|
nDstFormat |
Format of the output data. Possible values are: |
|
|
|
Value |
Meaning |
|
|
CCS_RGB |
[0x00] Color conversion is RGB. |
|
|
CCS_BGR |
[0x0C] Color conversion is BGR. |
|
pSrcBuf |
Pointer to the buffer holding the input data. |
|
|
pBitmap |
Pointer to the LEAD bitmap that will hold the converted data. |
|
|
uStructSize |
Size in bytes, of the structure pointed to by pBitmap, for versioning. Use sizeof(BITMAPHANDLE). |
|
|
nWidth |
Width of pixels to be processed. |
|
|
nHeight |
Height of pixels to be processed. |
|
|
nInAlign |
Each scanline in the input buffer is a multiple of nInAlign bytes. |
|
|
nOutAlign |
Each scanline in the output buffer is a multiple of nOutAlign bytes. |
|
Returns
|
SUCCESS |
The function was successful. |
|
< 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
|
Functions: |
|
|
Topics: |
|
|
|
COLOR Function Groups |
Example
L_INT ClrConvertDirectToBitmapExample(
L_UCHAR* pInput,
BITMAPHANDLE* pBitmap,
L_INT nWidth,
L_INT nHeight)
{
L_INT nRet;
/* direct conversion using built in options */
nRet = 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 */
return nRet;
}