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use javascript createImageData and putImageData to display generated code
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,143 @@ | ||
| {$mode objfpc}{$H+} | ||
| {$PACKRECORDS 1} | ||
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| Unit wjavascriptarray; | ||
| Interface | ||
| uses RMCore,SysUtils,FileUtil,Bits; | ||
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| Function WriteJavaScriptArray(x,y,x2,y2 : word;filename:string; transparent : boolean):word; | ||
| Implementation | ||
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| type | ||
| BufferRec = Record | ||
| fText : Text; | ||
| datalist : array[1..128] of Byte; | ||
| count : integer; | ||
| maxsize : longint; | ||
| bcount : longint; | ||
| end; | ||
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| //Action 0 = init ncounter/buffer,Action 1 = write byte to buffer, action 2= flush buffer | ||
| ArrayWriterProc = Procedure(inByte : Byte; var Buffer : BufferRec; action : integer); | ||
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| procedure ArrayWriter(inByte : Byte; var Buffer : BufferRec;action : integer); | ||
| var | ||
| i : integer; | ||
| begin | ||
| if action = 0 then | ||
| begin | ||
| buffer.Count:=0; | ||
| buffer.bcount:=0; | ||
| buffer.maxsize:=0; | ||
| end | ||
| else if action = 1 then | ||
| begin | ||
| inc(buffer.count); | ||
| buffer.datalist[buffer.count]:=inbyte; | ||
| if buffer.count = 10 then //every 10 bytes write to data statement | ||
| begin | ||
| //write the data statement | ||
| write(buffer.ftext,' '); | ||
| for i:=1 to 10 do | ||
| begin | ||
| write(buffer.ftext,buffer.datalist[i]); | ||
| inc(buffer.bcount); | ||
| if buffer.bcount<>buffer.maxsize then write(buffer.ftext,','); | ||
| end; | ||
| writeln(buffer.ftext); | ||
| buffer.count:=0; | ||
| end; | ||
| end | ||
| else if action = 2 then //write the remaining data | ||
| begin | ||
| if buffer.count > 0 then | ||
| begin | ||
| write(buffer.ftext,' '); | ||
| for i:=1 to buffer.count do | ||
| begin | ||
| write(buffer.ftext,buffer.datalist[i]); | ||
| inc(buffer.bcount); | ||
| if buffer.bcount<>buffer.maxsize then write(buffer.ftext,','); | ||
| end; | ||
| // writeln(buffer.ftext); | ||
| buffer.count:=0; | ||
| end; | ||
| end; | ||
| end; | ||
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| //we emulator graph's getmaxcolor way of counting colors | ||
| function GetMaxColor : integer; | ||
| begin | ||
| GetMaxColor:=RMCoreBase.Palette.GetColorCount-1; | ||
| end; | ||
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| function GetArraySize(width,height : integer) : longint; | ||
| begin | ||
| GetArraySize:=width*height*4; | ||
| end; | ||
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| Function WriteJavaScriptArray(x,y,x2,y2 : word;filename:string; transparent : boolean):word; | ||
| var | ||
| width,height : integer; | ||
| data :BufferRec; | ||
| i,j : word; | ||
| ImageName : string; | ||
| asize : longint; | ||
| r,g,b,a : byte; | ||
| ColorIndex : integer; | ||
| begin | ||
| width:=x2-x+1; | ||
| height:=y2-y+1; | ||
| asize:=GetArraySize(width,height); | ||
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| ArrayWriter(0,data,0); //init | ||
| data.maxsize:=asize; | ||
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| Assign(data.ftext,filename); | ||
| {$I-} | ||
| Rewrite(data.ftext); | ||
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| Imagename:=ExtractFileName(ExtractFileNameWithoutExt(filename)); | ||
| writeln(data.ftext,'//',' JavaScript Array ',Imagename,' Size= ', asize,' Width= ',width,' Height= ',height, ' Colors= ',GetMaxColor+1); | ||
| writeln(data.ftext,'var ', Imagename,'Image ',' = new Uint8ClampedArray(['); | ||
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| for j:=y to y2 do | ||
| begin | ||
| for i:=x to x2 do | ||
| begin | ||
| colorIndex:=RMCoreBase.GetPixel(i,j); | ||
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| r:=RMCoreBase.palette.GetRed(ColorIndex); | ||
| g:=RMCoreBase.palette.GetGreen(ColorIndex); | ||
| b:=RMCoreBase.palette.GetBlue(ColorIndex); | ||
| a:=255; | ||
| if transparent then | ||
| begin | ||
| if ColorIndex = 0 then a:=0; | ||
| if (r=255) and (g=0) and (b=255) then a:=0; | ||
| end; | ||
| ArrayWriter(r,data,1); | ||
| ArrayWriter(g,data,1); | ||
| ArrayWriter(b,data,1); | ||
| ArrayWriter(a,data,1); | ||
| end; | ||
| end; | ||
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| ArrayWriter(0,data,2); //flush it | ||
| writeln(data.ftext,']);'); | ||
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| Close(data.ftext); | ||
| {$I+} | ||
| WriteJavaScriptArray:=IORESULT; | ||
| end; | ||
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| begin | ||
| end. | ||
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