pixmap

基本解釋

Delete the selected item's pixmap.
14刪除選擇項目的點陣圖。
A backing pixmap is allocated when the window is shown, and is deallocated when it becomes hidden.
一個背景象素映射是當window 顯示時分配,當隱藏的時候釋放。
To show a rotating object, we can scan-convert into the pixmap successive views from slightly different locations, one after another.
比如要顯示一個旋轉(zhuǎn)的物體，我們需要在前后連貫，變化不大的視點上一次接一次地進行掃描轉(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.
為了在光柵系統(tǒng)中顯示動畫，必須將運動物體(由如線，多邊形這樣的圖元組成)經(jīng)掃描轉(zhuǎn)換變?yōu)榭稍趲彺娣诺奈粓D。
/* free the pixmap with the given ID. */XFreePixmap(display, pixmap);
在釋放一個pixmap之后 - 我們絕對不能再訪問它。