LBitmapBase::GetColors
#include "ltwrappr.h"
virtual L_INT LBitmapBase::GetColors(nIndex, nCount, pPalette)
|
L_INT nIndex; |
/* the index of the first color to be retrieved */ |
|
L_INT nCount; |
/* the number of colors to retrieve*/ |
|
LPRGBQUAD pPalette; |
/* pointer to an array of RGBQUAD structures that make up your palette */ |
Loads your palette with selected colors of a class object's bitmap.
|
Parameter |
Description |
|
nIndex |
The index of the first color to be retrieved. |
|
nCount |
The number of colors to retrieve. |
|
pPalette |
Pointer to an array of RGBQUAD structures that will receive the colors. |
Returns
|
SUCCESS |
The function was successful. |
|
< 1 |
An error occurred. Refer to Return Codes. |
Comments
Your palette can be smaller than the bitmap's palette, as long as it is big enough to hold the selected colors. For the reverse action, refer to LBitmapBase::PutColors.
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. |
See Also
|
Elements: |
|
|
Topics: |
|
|
|
|
|
|
|
|
|
Raster Image Functions: Working with Color Halftones, Halftones, and Grayscale Images |
Example
LBitmapBase MyBitmap;
RGBQUAD Colors[256];
MyBitmap.SetFileName(TEXT("image1.cmp"));
MyBitmap.Load(8); //load at 8 bit per pixel
MyBitmap.GetColors(0, 255, Colors) ;