/// <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>
/// 边缘扫描，类似原本DM的O模式，但并非相似度而是完全一致匹配。
/// </summary>
/// <param name="Base"></param>
/// <param name="Diff"></param>
/// <returns></returns>
public static ImageOpen EgdeDetect(ImageOpen Base, ImageOpen Diff)
{
//首先要扫描diff图片的最外圈，24位图就边缘，32位图就得非透明的边缘。
//半透明如何处理我得想想。
var getEgdeList = RGBA_G2L(Diff.Pic);
var getXY = BaseXY(Base.Pic, Diff.Pic, getEgdeList);
var outputPic = Alpha(Base, Diff, getXY[0], getXY[1]);
return(outputPic);
}
/// <summary>
/// alpha合成图像，返回的图像继承Base的坐标，并将文件名以连接符连接。
/// </summary>
/// <param name="Base">基本图片</param>
/// <param name="Diff">差分图片</param>
/// <param name="offset_x">X轴偏移</param>
/// <param name="offset_y">Y轴偏移</param>
/// <returns>输出的ImageOpen类图片</returns>
public static ImageOpen Alpha(ImageOpen Base, ImageOpen Diff, int offset_x, int offset_y)
{
var out_pic = Base.CopyPic();
out_pic.Composite(Diff.Pic, offset_x, offset_y, CompositeOperator.Over);
var out_name = Path.Combine(Scheme.OutputDir, Path.GetFileNameWithoutExtension(Base.FileName));
out_name += Scheme.JoinScheme + Path.GetFileName(Diff.FileName);
return(new ImageOpen(out_pic, Base.OffsetXY, out_name));
}
/// <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);
}
/// <summary>
/// Transparent Blitting
/// </summary>
/// <param name="Base"></param>
/// <param name="Diff"></param>
/// <returns></returns>
public static ImageOpen Color(ImageOpen Base, ImageOpen Diff, int offset_x, int offset_y)
{
var ColorKey = Scheme.ColorKey;
var out_pic = Base.CopyPic();
MagickColor CK = new MagickColor(ColorKey);
//因为会影响Diff原图，所以复制
var Diff_byAlpha = Diff.CopyPic();
//还有个ColorAlpha不知道怎么用，无效的感觉。
Diff_byAlpha.Transparent(CK);
out_pic.Composite(Diff_byAlpha, offset_x, offset_y, CompositeOperator.Over);
Diff_byAlpha.Dispose();
var out_name = Path.Combine(Scheme.OutputDir, Path.GetFileNameWithoutExtension(Base.FileName));
out_name += Scheme.JoinScheme + Path.GetFileName(Diff.FileName);
return(new ImageOpen(out_pic, Base.OffsetXY, out_name));
}
public static ImageOpen MergerOfStrings(string[] merge_list)
{
var basePic = new ImageOpen(merge_list[0]);
bool FirstSW = true;
foreach (var i in merge_list)
{
//跳过第一张
if (FirstSW)
{
FirstSW = false;
continue;
}
var diffPic = new ImageOpen(i);
basePic = PicMerger.Merger(basePic, diffPic, MergerStyle.Alpha,
diffPic.OffsetXY[0] - basePic.OffsetXY[0], diffPic.OffsetXY[1] - basePic.OffsetXY[1]);
diffPic.Close();
}
return(basePic);
}
public ImageOpen Clone()
{
var returnIO = new ImageOpen(this.CopyPic(), this.OffsetXY, this.m_filename);
return(returnIO);
}
