SWIRLDLGPARAMS
typedef struct _SWIRLDLGPARAMS
{
L_UINT uStructSize;
pBITMAPHANDLE pBitmap;
L_BOOL bZoomToFit;
L_INT nAngle;
POINT ptCenter;
L_UINT32 uDlgFlags;
LTCOMMDLGHELPCB pfnHelpCallback;
L_VOID *pHelpCallBackUserData;
} SWIRLDLGPARAMS, * LPSWIRLDLGPARAMS ;
The SWIRLDLGPARAMS structure provides information used to initialize the dialog box created by the LDialogImageEffect::DoModalSwirl function. After the user closes the dialog box, this structure is updated with information about the user's selections.
Member |
Description |
|
uStructSize |
Size of this structure, in bytes. Use the sizeof operator to calculate this value. |
|
pBitmap |
Ignored. |
|
bZoomToFit |
Flag that indicates the initial zoom level for previewing the image. Possible values are: |
|
|
Value |
Meaning |
|
TRUE |
Set the initial zoom level to "Zoom to fit". |
|
FALSE |
Set the initial zoom level to "Normal (1:1)". |
nAngle |
The degree of rotation. This value is in (+/-) degrees (0…360…720, etc.). |
|
ptCenter |
POINT structure that contains the center of the swirl. The center point must be defined inside the bitmap, or inside the region, if the bitmap has a region. |
|
uDlgFlags |
User interface flags for this dialog, which determine the layout and action of the dialog. Possible values are: |
|
|
Value |
Meaning |
|
DLG_SWIRL_SHOW_CONTEXTHELP |
[0x00000002] dialog should contain a context sensitive help icon. |
|
DLG_SWIRL_SHOW_APPLY |
[0x00000080] Show the Apply button in the dialog. The dialog will not apply any effect unless the user presses the Apply button. |
pfnHelpCallback |
Ignored. |
|
pHelpCallBackUserData |
Ignored. |