ROTATEDLGPARAMS
typedef struct _ROTATEDLGPARAMS
{
L_UINT uStructSize;
pBITMAPHANDLE pBitmap;
L_INT nAngle;
L_BOOL bResize;
L_UINT uRotateFlags;
COLORREF crBack;
L_UINT32 uDlgFlags;
LTCOMMDLGHELPCB pfnHelpCallback;
L_VOID *pHelpCallBackUserData;
} ROTATEDLGPARAMS, * LPROTATEDLGPARAMS;
The ROTATEDLGPARAMS structure provides information used to initialize the dialog box created by the LDialogImage::DoModalRotate 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. |
|
nAngle |
A variable to be updated with the angle by which to rotate the image entered in the dialog. This angle is measured in hundredths of degrees. Possible values range from –36000 - +36000. A positive value will rotate the image in a clockwise rotation, while a negative value will rotate the image in a counter-clockwise rotation. |
|
bResize |
A flag that indicates whether to resize the resulting image as needed. Possible values are: |
|
|
Value |
Meaning |
|
TRUE |
Check the check box and resize the resulting image as needed. |
|
FALSE |
Clear the check box and do not resize the resulting image. |
uRotateFlags |
Variable to be updated with a value that represents the type of resizing to perform. Possible values are: |
|
|
Value |
Meaning |
|
0 |
Normal resize. |
|
ROTATE_RESAMPLE |
Resample resize. |
|
ROTATE_BICUBIC |
Bicubic resize. |
crBack |
A variable to be updated with the background fill color entered in the dialog. You can specify a COLORREF value, such as the return value of the Windows RGB macro, or you can use the PALETTEINDEX macro to specify a palette color. |
|
uDlgFlags |
User interface flags for this dialog, which determine the layout and action of the dialog. Possible values are: |
|
|
Value |
Meaning |
|
DLG_ROTATE_SHOW_CONTEXTHELP |
[0x00000002] dialog should contain a context sensitive help icon. |
|
DLG_ROTATE_SHOW_BACKCOLOR |
[0x00000008] dialog will show the background color button. |
|
DLG_ROTATE_SHOW_RESIZE |
[0x00000010] dialog will show the resize check box. |
pfnHelpCallback |
Ignored. |
|
pHelpCallBackUserData |
Ignored. |