silverlight小技巧 silverlight 背景透明 aspx page 添加PluginBackground="Transparent" 添加Windowless="...
并设置透明背景 wxBitmap roundedBitmap(size, 32); wxMemoryDC dc(roundedBitmap); dc.SetBackground(*wxTRANSPARENT_BRUSH); dc.Clear(); // 创建一个蒙版
Possible bitmap configurations. A bitmap configuration describes how pixels are stored. This affects the quality (color depth) as well as the ability to display transparent/translucent colors. Bitmap.Config 描述了像素的存储方式,这会影响质量(颜色深度)以及显示透明/半透明颜色的能力。在Bitmap.Config文...
int diameter = radius * 2; // 创建一个新的位图,并设置透明背景 wxBitmap roundedBitmap(size, 32); wxMemoryDC dc(roundedBitmap); dc.SetBackground(*wxTRANSPARENT_BRUSH); dc.Clear(); // 创建一个蒙版,用于指定圆角的区域 wxRegion roundedRegion(wxPoint(0, 0), size); roundedRegion.Subtract(...