xaddpixel.html
来自「linux图形界面x liberary手册」· HTML 代码 · 共 52 行
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<HTML><HEAD><TITLE>Xlib Programming Manual: XAddPixel</TITLE></HEAD><BODY><H1 ALIGN=center>XAddPixel</H1><H2>Syntax</H2><!.IN "XAddPixel" "" "@DEF@"><CODE><PRE>XAddPixel(<B>ximage</B>, <B>value</B>) <A HREF="../graphics/images.html#XImage">XImage</A> *<B>ximage</B>; long <B>value</B>;</PRE></CODE><H2>Arguments</H2><TABLE><TR><TD> <B>ximage</B><TD> Specifies the image.<TR><TD> <B>value</B><TD> Specifies the constant value that is to be added.</TABLE><H2>Description</H2>The<B>XAddPixel()</B>function adds a constant value to every pixel in an image.It is useful when you have a base pixel value from allocatingcolor resources and need to manipulate the image to that form.<H2>See also</H2><B><A HREF="XCreateImage.html">XCreateImage()</A></B>,<B><A HREF="XDestroyImage.html">XDestroyImage()</A></B>,<B><A HREF="XGetPixel.html">XGetPixel()</A></B>,<B><A HREF="XPutPixel.html">XPutPixel()</A></B>,<B><A HREF="XSubImage.html">XSubImage()</A></B>,"<A HREF="manipulating-images.html">Manipulating Images</A>".<HR><ADDRESS><A HREF="http://tronche.com/">Christophe Tronche</A>, <A HREF="mailto:ch.tronche@computer.org">ch.tronche@computer.org</A></ADDRESS></BODY></HTML>⌨️ 快捷键说明
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