COLOREDGRAYDLGPARAMS
typedef struct _COLOREDGRAYDLGPARAMS
{
L_UINT uStructSize;
pBITMAPHANDLE pBitmap;
L_BOOL bZoomToFit;
L_INT nRedFactor;
L_INT nGreenFactor;
L_INT nBlueFactor;
L_INT nRedGrayFactor;
L_INT nGreenGrayFactor;
L_INT nBlueGrayFactor;
L_UINT32 uDlgFlags;
LTCOMMDLGHELPCB pfnHelpCallback;
L_VOID *pHelpCallBackUserData;
} COLOREDGRAYDLGPARAMS, * LPCOLOREDGRAYDLGPARAMS;
The COLOREDGRAYDLGPARAMS structure provides information used to initialize the dialog box created by the LDialogColor::DoModalColoredGray function. After the user closes the dialog box, this structure is updated with information about the user's selections.
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Member |
Description |
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uStructSize |
Size of this structure, in bytes. Use the sizeof operator to calculate this value. |
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pBitmap |
Ignored. |
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bZoomToFit |
Flag that indicates the initial zoom level for previewing the image. Possible values are: |
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Value |
Meaning |
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TRUE |
Set the initial zoom level to "Zoom to fit". |
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FALSE |
Set the initial zoom level to "Normal (1:1)". |
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nRedFactor |
Value that represents the percentage or weight given to the red value of each pixel in the bitmap. Possible values are (0-1000), nRedFactor + nGreenFactor + nBlueFactor must equal 1000. |
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nGreenFactor |
Value that represents the percentage or weight given to the green value of each pixel in the bitmap. Possible values are (0-1000), nRedFactor + nGreenFactor + nBlueFactor must equal 1000. |
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nBlueFactor |
Value that represents the percentage or weight given to the blue value of each pixel in the bitmap. Possible values are (0-1000), nRedFactor + nGreenFactor + nBlueFactor must equal 1000. |
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nRedGrayFactor |
Additional weighting factor (percentage) used to modify the red component in the output pixel. This value can be negative. Possible values are -1000 to 1000. |
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nGreenGrayFactor |
Additional weighting factor (percentage) used to modify the green component in the output pixel. This value can be negative. Possible values are -1000 1000). |
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nBlueGrayFactor |
Additional weighting factor (percentage) used to modify the blue component in the output pixel. This value can be negative. Possible values are (-1000-1000). |
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uDlgFlags |
User interface flags for this dialog, which determine the layout and action of the dialog. Possible values are: |
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Value |
Meaning |
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DLG_COLOREDGRAY_SHOW_CONTEXTHELP |
[0x00000002] dialog should contain a context sensitive help icon. |
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pfnHelpCallback |
Ignored. |
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pHelpCallBackUserData |
Ignored. |
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