PDF_shading()

(PECL pdflib >= 2.0.0)

Define blend

说明

PDF_shading(resource $pdfdoc,string $shtype,float $x0,float $y0,float $x1,float $y1,float $c1,float $c2,float $c3,float $c4,string $optlist): int

Defines a blend from the current fill color to another color.

This function requires PDF 1.4 or above.