UID:90909
UID:88244
UID:7394
引用楼主lljzhgxd于2010-01-14 16:52发表的 诚恳的请教Qt画矩阵的问题 :现在接了个项目,是帮电台做矩阵软件,就是MxN路的输出输入矩阵。直接想象就是主画面上有MxN个规则排列的图形,可以通过滚动条拖拉看整个矩阵的不同部分。由于客户要求至少支持1000x1000路输出输入,所以如果用普通图像控件,.......
Graphics View uses a BSP (Binary Space Partitioning) tree to provide very fast item discovery, and as a result of this, it can visualize large scenes in real-time, even with millions of items.
UID:76158