• 
• 
• Reference
• 
• Layout
• 
• Direction

转到官方文档（英文）

direction自始可用

The four directions into which content can be laid out.

Possible values are: ltr, rtl, ttb, and btt.

These values are available globally and also in the direction type’s scope, so you can write either of the following two:

#stack(dir: rtl)[A][B][C]
#stack(dir: direction.rtl)[A][B][C]

常量

这些函数和类型带有附属常量。要访问这种常量，请先写上函数或类型的名称，再加上附属常量的名称，并用句点在中间分隔。

ltr

direction自始可用

Left to right.

展开示例

#stack(
  dir: ltr,
  spacing: 0.2cm,
  circle(),
  line(),
  square(),
)

rtl

direction自始可用

Right to left.

展开示例

#stack(
  dir: rtl,
  spacing: 0.2cm,
  circle(),
  line(),
  square(),
)

ttb

direction自始可用

Top to bottom.

展开示例

#stack(
  dir: ttb,
  spacing: 0.2cm,
  circle(),
  line(),
  square(),
)

btt

direction自始可用

Bottom to top.

展开示例

#stack(
  dir: btt,
  spacing: 0.2cm,
  circle(),
  line(),
  square(),
)

函数

这些函数和类型带有附属函数。要访问这种函数，请先写上函数或类型的名称，再加上附属函数的名称，并用句点在中间分隔。

from0.14.0起可用

Returns a direction from a starting point.

This function does the opposite of direction.start.

展开示例

#direction.from(left) \
#direction.from(right) \
#direction.from(top) \
#direction.from(bottom)

side

alignment

必需参数

必需参数在调用函数时必须传入。

位置参数

位置参数按顺序传入，不带参数名。

The starting point for the direction.

This cannot be start or end.

to0.14.0起可用

Returns a direction from an end point.

This function does the opposite of direction.end.

展开示例

#direction.to(left) \
#direction.to(right) \
#direction.to(top) \
#direction.to(bottom)

side

alignment

必需参数

必需参数在调用函数时必须传入。

位置参数

位置参数按顺序传入，不带参数名。

The end point for the direction.

This cannot be start or end.

axis0.7.0起可用

The axis this direction belongs to, either "horizontal" or "vertical".

展开示例

#ltr.axis() \
#ttb.axis()

sign0.14.0起可用

The corresponding sign, for use in calculations.

This is the sign of the vector going this direction along the corresponding axis.

展开示例

#ltr.sign() \
#rtl.sign() \
#ttb.sign() \
#btt.sign()

start0.7.0起可用

The starting point of this direction.

This function does the opposite of direction.from.

展开示例

#ltr.start() \
#rtl.start() \
#ttb.start() \
#btt.start()

end0.7.0起可用

The end point of this direction.

This function does the opposite of direction.to.

展开示例

#ltr.end() \
#rtl.end() \
#ttb.end() \
#btt.end()

inv自始可用

The inverse (opposite) direction.

展开示例

#ltr.inv() \
#rtl.inv() \
#ttb.inv() \
#btt.inv()

转到官方文档（英文）

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