References ▼
typedef struct _LIGHTINFO{L_UINT uStructSize;POINT ptCenter;L_UINT uWidth;L_UINT uHeight;L_INT nAngle;L_UINT uBright;L_UINT uEdge;COLORREF crFill;L_UINT uOpacity;L_UINT uFlag;} LIGHTINFO, *pLIGHTINFO;
The LIGHTINFO structure provides light source information used in L_LightBitmap function.
Size of this structure, in bytes. Use the sizeof operator to calculate this value.
POINT structure that contains the center of the ellipse used to represent the light.
Value that represents the width of the ellipse used to represent the light.
Value that represents the height of the ellipse used to represent the light.
Angle by which to rotate the ellipse that represents the light. This value is given in hundredths of a degree (+/-). This can be a number from 0 to 36,000. A positive value will rotate the ellipse clockwise, while a negative value will rotate the ellipse counter-clockwise.
Intensity or brightness of the light.
Percentage by which to smooth the light border. The valid range is from 0 to 100.
Color of the light.
Opacity of the light.
Value that determines the light source type. Possible values are:
| Value | Meaning |
|---|---|
| LGT_SPOTLIGHT | [0x0000] The light will appear as a spotlight, based on the values in the uWidth, uHeight, nAngle and uEdge members. |
| LGT_DIRELIGHT | [0x0001] The light will be applied to the whole image. If this flag is used, the uWidth, uHeight, nAngle, uEdge members will be ignored. |
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