Warps the bitmap by pinching it toward the center or expanding the bitmap away from its center.
virtual L_INT LBitmap::Punch (nValue, uStress, CenterPt, crFill, uFlags)
Amount of stretching where:
Valid values range from -500 to 500.
Amount of punching intensity. This value is ignored when nValue is less than 0. Valid values range from 0 to 1000.
POINT structure that contains the point around which the image will be pinched or punched.
The COLORREF value that specifies the fill color for any exposed areas. 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.
Flags that indicate how to handle exposed areas, both centrally and peripherally. You can use a bitwise OR ( | ) to specify one flag from each group.
|FILL_CLR||[0x0000] Fill any exposed areas with crFill.|
|FILL_RPT||[0x0001] Stretch the image edges to fill the exposed area.|
|FILL_NOCHG||[0x0002] Leave the exposed area as is, without changing it.|
|FILL_ROT||[0x0000] Rotate the image inside the pinch pattern.|
|FILL_WOUTROT||[0x0010] Fill the exposed center the same way the peripherally exposed areas are filled.|
This flag is ignored if the nValue is positive.
|SUCCESS||The function was successful.|
|< 1||An error occurred. Refer to Return Codes.|
This function will punch or pinch the bitmap around the specified CenterPt. The center point must be defined inside the bitmap or inside the region, if the bitmap has a region.
If the bitmap has a region, the effect will be applied on the region only.
This function supports 12 and 16-bit grayscale and 48 and 64-bit color images. Support for 12 and 16-bit grayscale and 48 and 64-bit color images is available only in the Document/Medical toolkits.
This function does not support signed data images. It returns the error code ERROR_SIGNED_DATA_NOT_SUPPORTED if a signed data image is passed to this function.
This function does not support 32-bit grayscale images. It returns the error code ERROR_GRAY32_UNSUPPORTED if a 32-bit grayscale image is passed to this function.
Punch Function - Before
Punch Function - After
View additional platform support for this Punch function.
L_INT LBitmap__PunchExample(LAnimationWindow * LAniWnd)
CenterPt.x = (LAniWnd->GetHandle ())->Width/2;
CenterPt.y = (LAniWnd->GetHandle ())->Height/2;
return LAniWnd->Punch(100, 100, CenterPt, 0, FILL_RPT | FILL_WOUTROT);
Medical Web Viewer .NET
.NET, Java, Android, and iOS/macOS Assemblies
C API/C++ Class Libraries