从图像创建半透明光标 [英] Create a semi-transparent cursor from an image
本文介绍了从图像创建半透明光标的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
是否有可能创建图像的光标并将它是半透明的?
Is it possible to create a cursor from an image and have it be semi-transparent?
我目前正在自定义图像和overylaying鼠标光标图像。这将是巨大的,如果我能做出这样半透明的,但没有必要的。该销售人员喜欢闪亮
I'm currently taking a custom image and overylaying the mouse cursor image. It would be great if I could make this semi-transparent, but not necessary. The sales guys love shiny.
目前做这样的事情:
Image cursorImage = customImage.GetThumbnailImage(300, 100, null, IntPtr.Zero);
cursorImage.SetResolution(96.0F, 96.0F);
int midPointX = cursorImage.Width / 2;
int midPointY = cursorImage.Height / 2;
Bitmap cursorMouse = GetCursorImage(cursorOverlay);
Graphics cursorGfx = Graphics.FromImage(cursorImageCopy);
cursorGfx.DrawImageUnscaled(cursorMouse, midPointX, midPointY);
Cursor tmp = new Cursor(cursorImage.GetHicon());
推荐答案
我试过下面的例子中,这是工作的罚款...
I've tried following example, and it was working fine...
public struct IconInfo
{
public bool fIcon;
public int xHotspot;
public int yHotspot;
public IntPtr hbmMask;
public IntPtr hbmColor;
}
[DllImport("user32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool GetIconInfo(IntPtr hIcon, ref IconInfo pIconInfo);
[DllImport("user32.dll")]
public static extern IntPtr CreateIconIndirect(ref IconInfo icon);
public static Cursor CreateCursor(Bitmap bmp, int xHotSpot, int yHotSpot)
{
IntPtr ptr = bmp.GetHicon();
IconInfo tmp = new IconInfo();
GetIconInfo(ptr, ref tmp);
tmp.xHotspot = xHotSpot;
tmp.yHotspot = yHotSpot;
tmp.fIcon = false;
ptr = CreateIconIndirect(ref tmp);
return new Cursor(ptr);
}
我已经把这个按钮单击事件(你可以从那里调用你喜欢):
And i've put this on button click event (you can call from where you like):
Bitmap b = new Bitmap("D:/Up.png");
this.Cursor = CreateCursor(b, 5, 5);
而Up.png图像保存在AdobePhotoshop 75%的不透明度。
And the Up.png image is saved with 75% opacity in AdobePhotoshop.
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