pdf_setgray_stroke
Description
bool pdf_setgray_stroke ( resource pdfdoc, float gray )Set the current stroke color to a gray value between 0 and 1 inclusive. 若果成功則返回 TRUE，失敗則返回 FALSE。
注: PDFlib V4.0: Deprecated, use pdf_setcolor() instead.
| pdf_setgray_strokeDescriptionbool pdf_setgray_stroke ( resource pdfdoc, float gray )Set the current stroke color to a gray value between 0 and 1 inclusive. 若果成功則返回 TRUE，失敗則返回 FALSE。
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