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# ps_setgray

(no version information, might be only in CVS)

ps_setgray -- Sets gray value

## 说明

bool ps_setgray ( resource psdoc, float gray )

Sets the gray value for all following drawing operations.

## 参数

psdoc

gray

  The value must be between 0 (white) and 1 (black).

## 返回值

如果成功则返回 `TRUE`，失败则返回 `FALSE`。

## 参见

ps_setcolor()

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