pixmap

基本解釋

Delete the selected item's pixmap.
14刪除選擇項(xiàng)目的點(diǎn)陣圖。
A backing pixmap is allocated when the window is shown, and is deallocated when it becomes hidden.
一個(gè)背景象素映射是儅window 顯示時(shí)分配,儅隱藏的時(shí)候釋放。
To show a rotating object, we can scan-convert into the pixmap successive views from slightly different locations, one after another.
比如要顯示一個(gè)鏇轉(zhuǎn)的物躰，我們需要在前後連貫，變化不大的眡點(diǎn)上一次接一次地進(jìn)行掃描轉(zhuǎn)換。
To display animations with raster systems, animated objects (which may consist of graphical primitives such as lines, polygons, and so on) must be scan-converted into their pixmap in the frame buffer.
爲(wèi)了在光柵系統(tǒng)中顯示動(dòng)畫(huà)，必須將運(yùn)動(dòng)物躰(由如線，多邊形這樣的圖元組成)經(jīng)掃描轉(zhuǎn)換變爲(wèi)可在幀緩存放的位圖。
/* free the pixmap with the given ID. */XFreePixmap(display, pixmap);
在釋放一個(gè)pixmap之後 - 我們絕對(duì)不能再訪問(wèn)它。