/// <summary>
/// 这个可能放弃使用
/// </summary>
/// <param name="basePic"></param>
/// <param name="diffPic"></param>
/// <param name="merger_scheme"></param>
/// <param name="offset_x"></param>
/// <param name="offset_y"></param>
/// <returns></returns>
public static ImageOpen Merger(ImageOpen basePic, ImageOpen diffPic, int merger_scheme, int offset_x, int offset_y)
{
ImageOpen outPic;
switch (merger_scheme)
{
case 1:
outPic = PicMergerCore.Alpha(basePic, diffPic, offset_x, offset_y);
break;
case 2:
outPic = PicMergerCore.Color(basePic, diffPic, offset_x, offset_y);
break;
case 3:
outPic = PicMergerCore.Override(basePic, diffPic, offset_x, offset_y);
break;
default:
outPic = null;
break;
}
return(outPic);
}
/// <summary>
/// 输入两张图片，得到的是合成后的图片。
/// 返回图片由clone生成，不影响源图。
/// </summary>
/// <param name="basePic"></param>
/// <param name="diffPic"></param>
/// <param name="merger_scheme"></param>
/// <returns></returns>
public static ImageOpen Merger(ImageOpen basePic, ImageOpen diffPic, int merger_scheme, bool needPA = false)
{
ImageOpen outPic;
var offset_x = diffPic.OffsetXY[0] - basePic.OffsetXY[0];
var offset_y = diffPic.OffsetXY[1] - basePic.OffsetXY[1];
//PA处理
if (needPA)
{
if (!basePic.PremultipliedAlphaSign)
{
PremultipliedAlpha(basePic.m_pic);
basePic.PremultipliedAlphaSign = true;
}
if (!diffPic.PremultipliedAlphaSign)
{
PremultipliedAlpha(diffPic.m_pic);
diffPic.PremultipliedAlphaSign = true;
}
}
switch (merger_scheme)
{
case 1:
outPic = PicMergerCore.Alpha(basePic, diffPic, offset_x, offset_y);
break;
case 2:
outPic = PicMergerCore.Color(basePic, diffPic, offset_x, offset_y);
break;
case 3:
outPic = PicMergerCore.Override(basePic, diffPic, offset_x, offset_y);
break;
case 4:
outPic = PicMergerCore.EgdeDetect(basePic, diffPic);
break;
default:
outPic = null;
break;
}
outPic.MergedCount = basePic.MergedCount + 1;
return(outPic);
}