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Available in LEADTOOLS Imaging Pro, Vector, Document, and Medical Imaging toolkits. |
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Available in LEADTOOLS Imaging Pro, Vector, Document, and Medical Imaging toolkits. |
typedef struct _CONTRASTDLGPARAMS
{
L_UINT uStructSize;
pBITMAPHANDLE pBitmap;
L_BOOL bZoomToFit;
L_INT nChange;
L_UINT32 uDlgFlags;
LTCOMMDLGHELPCB pfnHelpCallback;
L_VOID *pHelpCallBackUserData;
} CONTRASTDLGPARAMS, * LPCONTRASTDLGPARAMS;
The CONTRASTDLGPARAMS structure provides information used to initialize the dialog box created by the LDialogColor::DoModalContrast function. After the user closes the dialog box, information about the user's selections are updated in this structure.
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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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nChange |
Amount to change the contrast. The contrast ranges from -1000 to 1000. Negative numbers decrease the contrast and positive numbers increase the contrast. |
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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_CONTRAST_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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