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NS:wingdi.tagTTPOLYCURVE |
TTPOLYCURVE (wingdi.h) |
The TTPOLYCURVE structure contains information about a curve in the outline of a TrueType character. |
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gdi\ttpolycurve.htm |
gdi |
59a26aec-786e-471b-8e08-ddffb04874d6 |
12/05/2018 |
*LPTTPOLYCURVE, LPTTPOLYCURVE, LPTTPOLYCURVE structure pointer [Windows GDI], TTPOLYCURVE, TTPOLYCURVE structure [Windows GDI], _win32_TTPOLYCURVE_str, gdi.ttpolycurve, wingdi/LPTTPOLYCURVE, wingdi/TTPOLYCURVE |
wingdi.h |
Windows.h |
Windows |
Windows 2000 Professional [desktop apps only] |
Windows 2000 Server [desktop apps only] |
Windows |
TTPOLYCURVE, *LPTTPOLYCURVE |
19H1 |
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The TTPOLYCURVE structure contains information about a curve in the outline of a TrueType character.
The type of curve described by the structure. This member can be one of the following values.
| Value | Meaning |
|---|---|
| TT_PRIM_LINE | Curve is a polyline. |
| TT_PRIM_QSPLINE | Curve is a quadratic Bézier spline. |
| TT_PRIM_CSPLINE | Curve is a cubic Bézier spline. |
The number of POINTFX structures in the array.
Specifies an array of POINTFX structures that define the polyline or Bézier spline.
When an application calls the GetGlyphOutline function, a glyph outline for a TrueType character is returned in a TTPOLYGONHEADER structure, followed by as many TTPOLYCURVE structures as are required to describe the glyph. All points are returned as POINTFX structures and represent absolute positions, not relative moves. The starting point specified by the pfxStart member of the TTPOLYGONHEADER structure is the point at which the outline for a contour begins. The TTPOLYCURVE structures that follow can be either polyline records or spline records.
Polyline records are a series of points; lines drawn between the points describe the outline of the character. Spline records represent the quadratic curves (that is, quadratic b-splines) used by TrueType.