This mask is used in calls to GreDeviceSetAttributes to identify fields in the LINEBUNDLE structure. Valid flags and the fields that they identify are:

┌────────────────────┬────────────────────┐
│Flag                │Field               │
├────────────────────┼────────────────────┤
│LBB_COLOR           │lColor              │
├────────────────────┼────────────────────┤
│LBB_BACK_COLOR      │lBackColor          │
├────────────────────┼────────────────────┤
│LBB_MIX_MODE        │usMixMode           │
├────────────────────┼────────────────────┤
│LBB_BACK_MIX_MODE   │usBackMixMode       │
├────────────────────┼────────────────────┤
│LBB_WIDTH           │fxWidth             │
├────────────────────┼────────────────────┤
│LBB_GEOM_WIDTH      │lGeomWidth          │
├────────────────────┼────────────────────┤
│LBB_TYPE            │usType              │
├────────────────────┼────────────────────┤
│LBB_END             │usEnd               │
├────────────────────┼────────────────────┤
│LBB_JOIN            │usJoin              │
└────────────────────┴────────────────────┘

lbnd

The fields of a LINEBUNDLE structure are:

lColor

Line foreground color.
lBackColor
Line background color.
usMixMode
Line foreground mix mode.
usBackMixMode
Line background mix mode.
fxWidth
Line-width multiplier. This value is expressed in fixed-point notation with a notational binary point between the second and third bytes. Therefore, 1.0 is represented by 10000h (or 65536). This multiplier is applied to the normal line width. Valid values are:

LINEWIDTH_DEFAULT

Default line width. This is the same as LINEWIDTH_NORMAL.
LINEWIDTH_NORMAL
Normal line width.
LINEWIDTH_THICK
Thick line width. This is double the normal width.
Typically, values equal or less than 1.0 are treated as LINEWIDTH_NORMAL and values greater than 1.0 as LINEWIDTH_THICK.
lGeomWidth
Geometric line thickness in world-coordinate space specified as an integer value. This is used only by GreStrokePath or when MPATH_STROKE is specified for GreModifyPath. A value of 0 (zero) results in the thinnest line possible regardless of the transform in force. Thick geometric lines are treated as polygons and are transformed accordingly.
usType
Specifies the cosmetic line type. Valid values are:

LINETYPE_DOT

Dotted
LINETYPE_SHORTDASH
Short-dashed
LINETYPE_DASHDOT
Dash, dot
LINETYPE_DOUBLEDOT
Double-dotted
LINETYPE_LONGDASH
Long-dashed
LINETYPE_DASHDOUBLEDOT
Dash, double-dot
LINETYPE_SOLID
Solid
LINETYPE_INVISIBLE
Invisible
LINETYPE_ALTERNATE
Every alternate pel on
Note: LINETYPE_DEFAULT is the default value at the API. It is a reserved value and is not passed to the presentation driver.
usEnd
Valid values are:

LINEEND_FLAT

Flat
LINEEND_SQUARE
Square
LINEEND_ROUND
Round
Note: LINEEND_DEFAULT is the default value at the API. It is a reserved value and is not passed to the presentation driver.
usJoin
Valid values are:

LINEJOIN_BEVEL

Bevel
LINEJOIN_ROUND
Round
LINEJOIN_MITRE
Miter
Note: LINEJOIN_DEFAULT is the default value at the API. It is a reserved value and is not passed to the presentation driver.

When lines join at a very acute angle, and a mitered joint has been specified, the length of the miter line could extend to infinity. To prevent this, when the ratio of miter length to geometric line width exceeds 10:1, a bevel joint is drawn. The miter length is the distance between the inner and outer intersection points.

When a wide line is explicitly closed by a call to GreCloseFigure from within a path, the style at the closure point is JOIN style not END style. If enough points are given to implicitly close the figure, the END style is used at the closure points. Notice that the LINEJOIN attribute is only to be used at wide line ends when the figure has been closed by a call to GreCloseFigure.

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