public static Image Overlay(Image source, Image img, string overType, int opacity)
{
string text = overType.ToLower();
int x;
int y;
switch (text)
{
case "left":
x = 0;
y = (source.Height - img.Height) / 2;
goto IL_1B6;
case "right":
x = source.Width - img.Width;
y = (source.Height - img.Height) / 2;
goto IL_1B6;
case "top":
x = (source.Width - img.Width) / 2;
y = 0;
goto IL_1B6;
case "down":
x = (source.Width - img.Width) / 2;
y = source.Height - img.Height;
goto IL_1B6;
case "lefttop":
x = 0;
y = 0;
goto IL_1B6;
case "leftdown":
x = 0;
y = source.Height - img.Height;
goto IL_1B6;
case "righttop":
x = source.Width - img.Width;
y = 0;
goto IL_1B6;
case "rightdown":
x = source.Width - img.Width;
y = source.Height - img.Height;
goto IL_1B6;
}
x = (source.Width - img.Width) / 2;
y = (source.Height - img.Height) / 2;
IL_1B6:
return(ImageTo.Overlay(source, img, x, y, opacity));
}
public static Image Overlay(Image source, string text, string overType, int opacity, int size, string font, string color)
{
Image img = ImageTo.FromString(text, size, font, color);
return(ImageTo.Overlay(source, img, overType, opacity));
}
public static Image Overlay(Image source, string text, string overType, int opacity)
{
Image img = ImageTo.FromString(text, 12, "宋体", "#ff0000");
return(ImageTo.Overlay(source, img, overType, opacity));
}
public static Image Overlay(Image source, Image img, int x, int y, int opacity)
{
img = ImageTo.Transparent(img, opacity);
return(ImageTo.Overlay(source, img, x, y));
}
