#include "ltwrappr.h"
virtual L_VOID LBitmapWindow::SetRgnCurveOptions(uFillMode, dTension, nClose)
L_UINT uFillMode; |
filling mode |
L_DOUBLE dTension; |
tension value |
L_INT nClose; |
value that specifies how the curve is closed |
Sets the curved regions options for the class object.
Parameter | Description | ||
uFillMode | The filling mode. Possible values are: | ||
Value | Meaning | ||
L_POLY_WINDING | [0] All pixels that are inside the resulting exterior lines are in the region. | ||
L_POLY_ALTERNATE | [1] The region includes the area between odd-numbered and even-numbered polygon sides on each scan line. | ||
dTension | Determines the straightness of the curve lines that connect the points of the curved region. Valid values range from 0.0 to 1.0. | ||
nClose | A value that specifies how the curve is closed. Possible values are: | ||
Value | Meaning | ||
CURVE_NO_CLOSE | [0x0] For n points, draw (n 3) segments. For example, for points {P0, P1, P2, P3, P4}, draw segments P1P2 and P2P3. | ||
CURVE_CLOSE | [0x1] For n points draw (n) segments. For example, for points {P0, P1, P2, P3, P4}, draw segments P0P1, P1P2, P2P3, P3P4, P4P0. | ||
CURVE_PARTIAL_CLOSE | [0x2] For n points draw (n 1) segments. For example, for points {P0, P1, P2, P3, P4}, draw segments P0P1, P1P2, P2P3, P3P4 (but not P4P0). |
None.
Use this function to specify the options of a curved region prior to drawing it. If an invalid value is passed for a parameter, it wont be set.
Refer to the CURVE structure for more information on the options mentioned above.
Required DLLs and Libraries
LTDIS For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application. |
Win32, x64.
Functions: |
LBitmapWindow::GetRgnCurveOptions, LBitmapWindow::SetToolType, LBitmapWindow::SetRegionType, Class Members |
For an example, refer to LBitmapWindow::GetRgnCurveOptions.
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