有种做法是合并图片 /// <summary>
/// 合并图片
/// </summary>
/// <param name="maps">图片集</param>
/// <param name="RepeatDirection">合并方向</param>
/// <returns></returns>
public static Bitmap MergerImg(Bitmap[] maps, System.Web.UI.WebControls.RepeatDirection RepeatDirection)
{
if (maps.Length == 0)
throw new Exception("图片数不能够为0"); int _width = 0;
int _height = 0;
for (int i = 0; i < maps.Length; i++)
{
if (RepeatDirection == System.Web.UI.WebControls.RepeatDirection.Horizontal)
{
_width += maps[i].Width;
if (maps[i].Height > _height)
{
_height = maps[i].Height;
}
}
else
{
_height += maps[i].Height;
if (maps[i].Width > _width)
{
_width = maps[i].Width;
}
}
}
//创建要显示的图片对象,根据参数的个数设置宽度
Bitmap backgroudImg = new Bitmap(_width, _height);
Graphics g = Graphics.FromImage(backgroudImg); //清除画布,背景设置为白色
int len = maps.Length;
g.Clear(System.Drawing.Color.White);
int x = 0;
for (int j = 0; j < len; j++)
{
if (RepeatDirection == System.Web.UI.WebControls.RepeatDirection.Horizontal)
{
g.DrawImage(maps[j], x, 0, maps[j].Width, maps[j].Height);
x = x + maps[j].Width;
}
else
{
g.DrawImage(maps[j], 0, x, maps[j].Width, maps[j].Height);
x = x + maps[j].Height;
}
}
g.Dispose();
return backgroudImg;
}
/// 合并图片
/// </summary>
/// <param name="maps">图片集</param>
/// <param name="RepeatDirection">合并方向</param>
/// <returns></returns>
public static Bitmap MergerImg(Bitmap[] maps, System.Web.UI.WebControls.RepeatDirection RepeatDirection)
{
if (maps.Length == 0)
throw new Exception("图片数不能够为0"); int _width = 0;
int _height = 0;
for (int i = 0; i < maps.Length; i++)
{
if (RepeatDirection == System.Web.UI.WebControls.RepeatDirection.Horizontal)
{
_width += maps[i].Width;
if (maps[i].Height > _height)
{
_height = maps[i].Height;
}
}
else
{
_height += maps[i].Height;
if (maps[i].Width > _width)
{
_width = maps[i].Width;
}
}
}
//创建要显示的图片对象,根据参数的个数设置宽度
Bitmap backgroudImg = new Bitmap(_width, _height);
Graphics g = Graphics.FromImage(backgroudImg); //清除画布,背景设置为白色
int len = maps.Length;
g.Clear(System.Drawing.Color.White);
int x = 0;
for (int j = 0; j < len; j++)
{
if (RepeatDirection == System.Web.UI.WebControls.RepeatDirection.Horizontal)
{
g.DrawImage(maps[j], x, 0, maps[j].Width, maps[j].Height);
x = x + maps[j].Width;
}
else
{
g.DrawImage(maps[j], 0, x, maps[j].Width, maps[j].Height);
x = x + maps[j].Height;
}
}
g.Dispose();
return backgroudImg;
}
解决方案 »
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