mirror of
https://github.com/moparisthebest/Simba
synced 2024-11-25 18:52:15 -05:00
a8c09d2149
git-svn-id: http://www.villavu.com/repositories/merlijn/mufasa@69 3f818213-9676-44b0-a9b4-5e4c4e03d09d
503 lines
13 KiB
ObjectPascal
503 lines
13 KiB
ObjectPascal
unit bitmaps;
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{$mode objfpc}{$H+}
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interface
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uses
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Classes, SysUtils, FPImgCanv,FPImage,IntfGraphics,graphtype,MufasaTypes,window,graphics;
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type
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{ TMufasaBitmap }
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TMufasaBitmap = class(TObject)
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private
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w,h : integer;
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TransparentColor : TRGB32;
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TransparentSet : boolean;
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public
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FData : PRGB32;
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Index : integer;
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procedure SetSize(AWidth,AHeight : integer);
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property Width : Integer read w;
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property Height : Integer read h;
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procedure ValidatePoint(x,y : integer);
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function SaveToFile(const FileName : string) :boolean;
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procedure LoadFromFile(const FileName : string);
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procedure FastSetPixel(x,y : integer; Color : TColor);
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procedure FastSetPixels(TPA : TPointArray; Colors : TIntegerArray);
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function FastGetPixel(x,y : integer) : TColor;
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function FastGetPixels(TPA : TPointArray) : TIntegerArray;
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Procedure SetTransparentColor(Col : TColor);
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Function GetTransparentColor : TColor;
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procedure FastDrawClear(Color : TColor);
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procedure FastDrawTransparent(x, y: Integer; TargetBitmap: TMufasaBitmap);
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procedure FastReplaceColor(OldColor, NewColor: TColor);
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procedure CopyClientToBitmap(MWindow : TMWindow; xs, ys, xe, ye: Integer);
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constructor Create;
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destructor Destroy;override;
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end;
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TMufasaBmpArray = Array of TMufasaBitmap;
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{ TMBitmaps }
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TMBitmaps = class(TObject)
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protected
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Client : TObject;
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FreeSpots : Array of integer;
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BmpArray : TMufasaBmpArray;
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BmpsCurr,BmpsHigh,FreeSpotsHigh,FreeSpotsLen : integer;
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public
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function GetBMP(Index : integer) : TMufasaBitmap;
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property Bmp[Index : integer]: TMufasaBitmap read GetBMP;
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function CreateBMP(w, h: integer): Integer;
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function CreateMirroredBitmap(bitmap: Integer; MirrorStyle : TBmpMirrorStyle): Integer;
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function CreateBMPFromFile(const Path : string) : integer;
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function CreateBMPFromString(width,height : integer; Data : string) : integer;
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procedure FreeBMP( Number : integer);
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constructor Create(Owner : TObject);
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destructor Destroy;override;
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end;
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implementation
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uses
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Windowutil,paszlib,DCPbase64;
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function Min(a,b:integer) : integer;
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begin
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if a < b then
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result := a
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else
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result := b;
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end;
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{ TMBitmaps }
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function TMBitmaps.GetBMP(Index: integer): TMufasaBitmap;
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begin
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Result := nil;
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if (Index >= 0) and (Index <= BmpsCurr) then
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if BmpArray[Index] <> nil then
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Result := BmpArray[Index];
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if Result = nil then
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raise Exception.CreateFmt('The bitmap[%d] does not exist',[Index]);
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end;
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function TMBitmaps.CreateBMP(w,h : integer): Integer;
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begin
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if BmpsCurr < BmpsHigh then
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begin;
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inc(BmpsCurr);
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Result := BmpsCurr;
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end else if (FreeSpotsHigh > -1) then
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begin;
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Result := FreeSpots[FreeSpotsHigh];
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dec(FreeSpotsHigh);
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end else
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begin;
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SetLength(BmpArray, BmpsHigh + 6);
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BmpsHigh := BmpsHigh + 5;
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inc(BmpsCurr);
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Result := BmpsCurr;
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end;
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BmpArray[Result] := TMufasaBitmap.Create;
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BmpArray[Result].SetSize(w,h);
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BmpArray[Result].Index:= Result;
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end;
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function TMBitmaps.CreateMirroredBitmap(bitmap: Integer;
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MirrorStyle: TBmpMirrorStyle): Integer;
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var
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w,h : integer;
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y,x : integer;
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Source,Dest : PRGB32;
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begin
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Source := Bmp[Bitmap].FData;
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w := BmpArray[Bitmap].Width;
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h := BmpArray[Bitmap].Height;
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if MirrorStyle = MirrorLine then
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Result := CreateBMP(h,w)
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else
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Result := CreateBMP(w,h);
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Dest := BmpArray[Result].FData;
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case MirrorStyle of
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MirrorWidth : for y := (h-1) downto 0 do
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for x := (w-1) downto 0 do
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Dest[y*w+x] := Source[y*w+w-1-x];
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MirrorHeight : for y := (h-1) downto 0 do
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Move(Source[y*w],Dest[(h-1 - y) * w],w*SizeOf(TRGB32));
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MirrorLine : for y := (h-1) downto 0 do
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for x := (w-1) downto 0 do
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Dest[x*h+y] := Source[y*w+x];
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end;
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//Can be optmized, this is just proof of concept
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end;
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function TMBitmaps.CreateBMPFromFile(const Path: string): integer;
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begin
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Result := CreateBMP(0,0);
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BmpArray[result].LoadFromFile(Path);
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end;
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function HexToInt(HexNum: string): LongInt;inline;
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begin
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Result:=StrToInt('$' + HexNum);
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end;
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function TMBitmaps.CreateBMPFromString(width, height: integer; Data: string): integer;
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var
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I,II,x,y: LongWord;
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DestLen : LongWord;
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Dest,Source : string;
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DestPoint, Point : PByte;
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LazIntf : TLazIntfImage;
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begin
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Result := CreateBMP(width,height);
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if (Data <> '') and (Length(Data) <> 6) then
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begin;
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Point := Pointer(BmpArray[Result].FData);
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if Data[1] = 'b' then
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begin;
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Source := Base64DecodeStr(Copy(Data,2,Length(Data) - 1));
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Destlen := Width * Height * 3;
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Setlength(Dest,DestLen);
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if uncompress(PChar(Dest),Destlen,pchar(Source), Length(Source)) = Z_OK then
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begin;
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DestPoint := @Dest[1];
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i := 0;
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ii := 2;
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Dec(DestLen);
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if DestLen > 2 then
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begin;
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while (ii < DestLen) do
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Begin;
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Point[i]:= DestPoint[ii+2];
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Point[i+1]:= DestPoint[ii+1];
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Point[i+2]:= DestPoint[ii];
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ii := ii + 3;
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i := i + 4;
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end;
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Point[i] := DestPoint[1];
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Point[i+1] := DestPoint[0];
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Point[i+2] := DestPoint[ii];
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end else if (Width = 1) and (Height =1 ) then
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begin;
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Point[0] := DestPoint[1];
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Point[1] := DestPoint[0];
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Point[2] := DestPoint[2];
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end;
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end;
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end else if Data[1] = 'z' then
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begin;
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Destlen := Width * Height * 3 *2;
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Setlength(Dest,DestLen);
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ii := (Length(Data) - 1) div 2;
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SetLength(Source,ii);
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for i := 1 to ii do
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Source[i] := Chr(HexToInt(Data[i * 2] + Data[i * 2+1]));
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if uncompress(PChar(Dest),Destlen,pchar(Source), ii) = Z_OK then
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begin;
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ii := 1;
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i := 0;
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while (II < DestLen) do
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begin;
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Point[i+2]:= HexToInt(Dest[ii] + Dest[ii + 1]);
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Point[i+1]:= HexToInt(Dest[ii+2] + Dest[ii + 3]);
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Point[i]:= HexToInt(Dest[ii+4] + Dest[ii + 5]);
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ii := ii + 6;
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i := i + 4;
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end;
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end;
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end else if LongWord(Length(Data)) = (Width * Height * 3 * 2) then
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begin;
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ii := 1;
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i := 0;
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Destlen := Width * Height * 3 * 2;
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while (II < DestLen) do
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begin;
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Point[i+2]:= HexToInt(Data[ii] + Data[ii + 1]);
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Point[i+1]:= HexToInt(Data[ii+2] + Data[ii + 3]);
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Point[i]:= HexToInt(Data[ii+4] + Data[ii + 5]);
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ii := ii + 6;
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i := i + 4;
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end;
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end;
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end else
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begin;
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if Length(data) = 6 then
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BmpArray[Result].FastDrawClear(HexToInt(Data));
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// else
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// FastDrawClear(Result,clBlack);
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end;
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end;
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procedure TMBitmaps.FreeBMP(Number: integer);
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var
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ToDestroy : TMufasaBitmap;
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begin
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ToDestroy := GetBMP(Number);
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if Number = BmpsCurr then
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Dec(BmpsCurr)
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else
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begin;
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inc(FreeSpotsHigh);
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if FreeSpotsHigh = FreeSpotsLen then
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begin;
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inc(FreeSpotsLen);
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SetLength(FreeSpots, FreeSpotsLen);
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end;
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FreeSpots[FreeSpotsHigh] := Number;
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end;
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FreeAndNil(ToDestroy);
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end;
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function TMufasaBitmap.SaveToFile(const FileName: string): boolean;
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var
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rawImage : TRawImage;
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Bmp : TLazIntfImage;
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begin
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ArrDataToRawImage(FData,Point(w,h),RawImage);
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// Bmp := Graphics.TBitmap.Create;
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Bmp := TLazIntfImage.Create(RawImage,false);
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Bmp.SaveToFile(FileName);
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Bmp.Free;
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end;
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procedure TMufasaBitmap.LoadFromFile(const FileName: string);
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var
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LazIntf : TLazIntfImage;
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RawImageDesc : TRawImageDescription;
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begin
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if FileExists(FileName) then
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begin;
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LazIntf := TLazIntfImage.Create(0,0);
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RawImageDesc.Init_BPP32_B8G8R8_BIO_TTB(LazIntf.Width,LazIntf.Height);
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LazIntf.DataDescription := RawImageDesc;
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LazIntf.LoadFromFile(FileName);
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if Assigned(FData) then
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Freemem(FData);
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Self.W := LazIntf.Width;
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Self.H := LazIntf.Height;
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FData := GetMem(Self.W*Self.H*SizeOf(TRGB32));
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Move(LazIntf.PixelData[0],FData[0],w*h*sizeOf(TRGB32));
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LazIntf.Free;
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end;
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end;
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function RGBToBGR(Color : TColor) : TRGB32; inline;
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begin;
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Result.R := Color and $ff;
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Result.G := Color shr 8 and $ff;
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Result.B := Color shr 16 and $ff;
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end;
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function BGRToRGB(BGR : TRGB32) : TColor;inline;
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begin;
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Result := BGR.R or BGR.g shl 8 or BGR.b shl 16;
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end;
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procedure TMufasaBitmap.FastSetPixel(x, y: integer; Color: TColor);
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begin
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ValidatePoint(x,y);
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FData[y*w+x] := RGBToBGR(Color);
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end;
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procedure TMufasaBitmap.FastSetPixels(TPA: TPointArray; Colors: TIntegerArray);
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var
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i,len : integer;
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begin
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len := High(TPA);
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if Len <> High(colors) then
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Raise Exception.CreateFMT('TPA/Colors Length differ',[]);
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for i := 0 to len do
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begin;
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ValidatePoint(TPA[i].x,TPA[i].y);
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FData[TPA[i].y * w + TPA[i].x] := RGBToBGR(Colors[i]);
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end;
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end;
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function TMufasaBitmap.FastGetPixel(x, y: integer): TColor;
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begin
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ValidatePoint(x,y);
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Result := BGRToRGB(FData[y*w+x]);
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end;
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function TMufasaBitmap.FastGetPixels(TPA: TPointArray): TIntegerArray;
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var
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i,len : integer;
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begin
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len := high(TPA);
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SetLength(result,len+1);
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for i := 0 to len do
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begin;
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ValidatePoint(TPA[i].x,TPA[i].y);
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Result[i] := BGRToRGB(FData[TPA[i].y*w + TPA[i].x]);
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end;
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end;
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procedure TMufasaBitmap.SetTransparentColor(Col: TColor);
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begin
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TransparentColor:= RGBToBGR(Col);
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TransparentSet:= True;
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end;
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function TMufasaBitmap.GetTransparentColor: TColor;
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begin
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if TransparentSet then
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Result := BGRToRGB(TransparentColor)
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else
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raise Exception.CreateFmt('Transparent color for Bitmap[%d] isn''t set',[index]);
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end;
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procedure TMufasaBitmap.FastDrawClear(Color: TColor);
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var
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i : integer;
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Rec : TRGB32;
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begin
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Rec := RGBToBGR(Color);
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if h > 0 then
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begin;
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for i := (w-1) downto 0 do
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FData[i] := Rec;
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for i := (h-1) downto 1 do
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Move(FData[0],FData[i*w],w*SizeOf(TRGB32));
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end;
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end;
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procedure TMufasaBitmap.FastDrawTransparent(x, y: Integer;
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TargetBitmap: TMufasaBitmap);
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var
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MinW,MinH,TargetW,TargetH : Integer;
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loopx,loopy : integer;
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begin
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ValidatePoint(x,y);
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TargetW := TargetBitmap.Width;
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TargetH := TargetBitmap.height;
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MinW := Min(w-1,TargetW-x-1);
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MinH := Min(h-1,TargetH-y-1);
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if TransparentSet then
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begin;
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for loopy := 0 to MinH do
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for loopx := 0 to MinW do
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if LongWord(FData[loopy * w + loopx]) <> LongWord(TransparentColor) then
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TargetBitmap.FData[(loopy + y) * TargetW + loopx + x] := FData[Loopy * w + loopx];
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end
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else
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for loopy := 0 to MinH do
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Move(FData[loopy*w],TargetBitmap.FData[(loopy+y) * TargetW + x],(MinW+1) * SizeOf(TRGB32));
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end;
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procedure TMufasaBitmap.FastReplaceColor(OldColor, NewColor: TColor);
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var
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OldCol,NewCol : TRGB32;
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i : integer;
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begin
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OldCol := RGBToBGR(OldColor);
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NewCol := RGBToBGR(NewColor);
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for i := w*h-1 downto 0 do
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if LongWord(FData[i]) = LongWord(OldCol) then
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FData[i] := NewCol;
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end;
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procedure TMufasaBitmap.CopyClientToBitmap(MWindow : TMWindow; xs, ys, xe, ye: Integer);
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var
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wi,hi,y : integer;
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PtrRet : TRetData;
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Rows : integer;
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begin
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Self.ValidatePoint(xs,ys);
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Self.ValidatePoint(xe,ye);
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wi := xe-xs + 1;
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hi := ye-ys + 1;
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PtrRet := MWindow.ReturnData(xs,ys,wi,hi);
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for y := 0 to (hi-1) do
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Move(PtrRet.Ptr[y * (wi + PtrRet.IncPtrWith)], FData[y * self.w],wi * SizeOf(TRGB32));
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MWindow.FreeReturnData;
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end;
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constructor TMBitmaps.Create(Owner: TObject);
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begin
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inherited Create;
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SetLength(BmpArray,50);
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SetLength(FreeSpots, 50);
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FreeSpotsLen := 50;
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BmpsHigh := 49;
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BmpsCurr := -1;
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FreeSpotsHigh := -1;
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Self.Client := Owner;
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end;
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destructor TMBitmaps.Destroy;
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var
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I : integer;
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begin
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for i := 0 to BmpsCurr do
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if BmpArray[i] <> nil then
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FreeAndNil(BmpArray[i]);
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SetLength(BmpArray,0);
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SetLength(FreeSpots,0);
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inherited Destroy;
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end;
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{ TMufasaBitmap }
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procedure TMufasaBitmap.SetSize(Awidth, Aheight: integer);
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var
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NewData : PRGB32;
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i,minw,minh : integer;
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begin
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if (AWidth <> w) or (AHeight <> h) then
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begin;
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if AWidth*AHeight <> 0 then
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begin;
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NewData := GetMem(AWidth * AHeight * SizeOf(TRGB32));
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FillDWord(NewData[0],AWidth*AHeight,0);
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end
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else
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NewData := nil;
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if Assigned(FData) and Assigned(NewData) and (w*H <> 0) then
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begin;
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minw := Min(AWidth,w);
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minh := Min(AHeight,h);
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for i := 0 to minh - 1 do
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Move(FData[i*w],Newdata[i*AWidth],minw * SizeOf(TRGB32));
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end;
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if Assigned(FData) then
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FreeMem(FData);
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FData := NewData;
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w := AWidth;
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h := AHeight;
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end;
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end;
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procedure TMufasaBitmap.ValidatePoint(x, y: integer);
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begin
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if (x <0) or (x >= w) or (y < 0) or (y >= h) then
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raise Exception.CreateFmt('You are accesing an invalid point, (%d,%d) at bitmap[%d]',[x,y,index]);
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end;
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constructor TMufasaBitmap.Create;
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begin
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inherited Create;
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FData:= nil;
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TransparentSet:= False;
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w := 0;
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h := 0;
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end;
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destructor TMufasaBitmap.Destroy;
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begin
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if Assigned(FData) then
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Freemem(FData);
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inherited Destroy;
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end;
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end.
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