/// <summary>
/// Converts a bitmap to ascii art.
/// </summary>
/// <param name="bitmap">A bitmap.</param>
/// <returns>Ascii art.</returns>
/// <example>
/* 0:::::::::::::::::::::::::::::$MMMMM%:::::::::::::::::::::::::::::::::::::M
% (#''` !M8 M
% :QMMMMMMMM849640MMM@( M
% "MMMMMMM4*' HM: !MB#MMMMMM$ M
% 'MMMM3 ''$844$ `6MMMMM' M
% '#MNN#H@@@@@@HMMM! '''` $MMM3 M
%1M@99889QB81!!M*M4'` @QM: M
%1Q'"B000008MMM*`MM:`''` !M@3 :&$;` M
%0` $` !B `*MM6 ''''` 'MM(!: $MMMMMMMMMM
%!& `8' #` ''1MM@H3'`'''` '$MMMH % 4M$''!@BMMM4M
% ;0 46 (3 `''''1#@HBH#&$&$448MMMM0' :' (M& ':@BQ@" M
% !B(16BMQ`B :894: `* 'MH B8Q0` M
% &MM` *M& !4 ;:"Q#M#' !@3Q` M
% 4MM;&` " (01'`'''`"Q0" M
% :MN `( `'''` '84B' M
% & `` `''QB09` M
% ! :( '389088@; M
% 1: '9 !"6QQQ! M
% `# :B `84' M
% (# 04 &' M
% 1M6 `9B! $: M
% !M#006(:'"6490` `Q: M
% 4B! :(1! `48` M
% 4@9' ;@B! M
% '9QB0! ;8QB3 M
% `&88909444099898% M
0:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::M
*/
/// </example>
public string ToAscii()
{
Graphic edgeMap=DetectEdges(this);
string output="";
for(int y=0; y<edgeMap.Height; y+=13)
{
for(int x=0; x<edgeMap.Width; x+=8)
{
int minDistance=999999999;
char minChar=' ';
for(int i=32; i<127; i++)
{
char c=(char)i;
string str=""+c;
Graphic characterMap=new Graphic(8, 13, Format.RGB);
//System.Drawing.Graphics g=System.Drawing.Graphics.FromImage(characterMap);
characterMap.Fill(System.Drawing.Color.White);
//characterMap.Rendertex
Graphic mytext=Graphic.RenderText(new System.Drawing.Font("Courier New", 10), str, System.Drawing.Color.Blue);
characterMap.Draw(-2, -2, mytext);
int tmp=ComputeDistance(characterMap,
new System.Drawing.Rectangle(0, 0, (int)characterMap.Width, (int)characterMap.Height),
edgeMap,
new System.Drawing.Rectangle(x, y, (int)characterMap.Width, (int)characterMap.Height));
if(tmp<minDistance)
{
minDistance=tmp;
minChar=c;
}
}
output+=minChar;
}
output+="\r\n";
}
return output;
}
public Graphic GetSubImage(uint x, uint y, uint w, uint h)
{
if(x>=width||y>=height) throw new ArgumentOutOfRangeException("x or y", "Out of image.");
Graphic ret=new Graphic(w, h, channelFormat);
ret.Draw(-(int)x, -(int)y, this);
return ret;
}
/// <summary>
/// Erzeugt ein Thumbnail
/// EXPERIMENTEL Muss getestet werdne
/// Quadrates Thumbnail unter beibehaltung der Seitenverhälntisse
/// </summary>
/// <param name="size"></param>
/// <returns></returns>
public Graphic ToThumbnail(uint size)
{
Graphic bmp=null;
Graphic crapped=null;
uint x=0, y=0;
double prop=0;
if (width>size)
{
// compute proportation
prop=(double)width/(double)height;
if (width>height)
{
x=(uint)System.Math.Round(size*prop, 0);
y=size;
}
else
{
x=size;
y=(uint)System.Math.Round(size/prop, 0);
}
//TESTEN
bmp=new Graphic(x, y);
//bmp=new System.Drawing.Bitmap((Image)image, new Size(x, y));
crapped=new Graphic(size, size, channelFormat);
crapped.Draw(0, 0, bmp);
//crapped=new System.Drawing.Bitmap(75, 75);
//Graphics g=Graphics.FromImage(crapped);
//g.DrawImage(bmp,
// new Rectangle(0, 0, 75, 75),
// new Rectangle(0, 0, 75, 75),
// GraphicsUnit.Pixel);
bmp=crapped;
}
else
{
crapped=this;
}
return bmp;
}
private Graphic Render(int width, int height, string onlyLayer)
{
Graphic ret=new Graphic((uint)width, (uint)height, Format.RGBA);
ret=ret.InvertAlpha();
foreach(LayerData i in Layers)
{
if(onlyLayer=="")
{
if(i.name=="Collision")
continue; //Collision Layer überspringen
}
else
{
if(i.name!=onlyLayer)
continue;
}
//Für jedes Tile in X bzw Y Richtung
for(int y=0;y<i.height;y++)
{
for(int x=0;x<i.width;x++)
{
int number=i.data[x, y];
if(number<=0)
continue; //Kein Tile zugewiesen //TODO was genau meint eine Zahl kleiner 0 genau
Graphic Tile=GetTile(number);
//Korrekturfaktor für Tiles welche breiter bzw.
//höher sind als normal
int CorFactorX=0; //Korrekturfaktor für x wird nicht benötigt (denke ich)
//int CorFactorX=(int)(Tile.Width-TileWidth);
int CorFactorY=(int)(Tile.Height-TileHeight);
ret.Draw(x*TileWidth-CorFactorX, y*TileHeight-CorFactorY, Tile, true);
}
}
}
return ret;
}