This function returns the current map mode and logical coordinate system where parameters such as ClipRect, DeviceRect and most others (except ImageRect) are stored.
Declaration:
 Copy Code |
|
|---|---|
AT_ERRCOUNT ACCUAPI IG_dspl_mapmode_get(
[IN] HIGEAR hIGear,
[IN] DWORD dwGrpID,
[OUT] LPDWORD lpdwMapMode,
[OUT] LPAT_RECTANGLE lpViewport,
[OUT] LPAT_RECTANGLE lpWindow
);
|
|
Arguments:
| Name | Type | Description |
| hIGear | HIGEAR | ImageGear handle of Image. |
| dwGrpID | DWORD | Identifier of group from which to get map mode options. |
| lpdwMapMode | LPDWORD | Pointer to the current value of option MapMode. |
| lpViewport | LPAT_RECTANGLE | Pointer to the current value of rectangle Viewport. |
| lpWindow | LPAT_RECTANGLE | Pointer to the current value of rectangle Window. |
Return Value:
Returns the number of ImageGear errors that occurred during this function call.
Supported Raster Image Formats:
All pixel formats supported by ImageGear Professional.
Sample:
None
Example:
| Copy Code |
|
|---|---|
HIGEAR hIGear; /* HIGEAR handle of image */ DWORD nGrpID; /* display group identifier */ DWORD dwMapMode; /* map mode */ AT_RECTANGLE Viewport; /* view port values */ AT_RECTANGLE Window; /* window values */ ... IG_dspl_mapmode_get( hIGear, nGrpID, &dwMapMode, &Viewport, &Window ); SetMapMode( dwMapMode ); SetWindowOrgEx( hDC, Window.x, Window.y, NULL ); SetWindowExtEx( hDC, Window.width, Window.height, NULL ); SetViewportOrgEx( hDC, Viewport.x, Viewport.y, NULL ); SetViewportExtEx( hDC, Viewport.width, Viewport.height, NULL ); ... |
|