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authorscuri <scuri>2009-08-18 02:21:01 +0000
committerscuri <scuri>2009-08-18 02:21:01 +0000
commit77a4608ee1f828ed70ec58588f0229cd57758148 (patch)
treeb1550da93d53331715c200f1acf8a7c1b2ff7be9 /html/examples/combine9view.wlua
parente2726d7bef3b0a1684011e558cb68ca99cfecd75 (diff)
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+--A script to compose 9 photos, with 4/6 aspect ratio
+
+require"imlua"
+require"imlua_process"
+require"iuplua"
+require"view_image"
+
+err_msg = {
+ "No error.",
+ "Error while opening the file.",
+ "Error while accessing the file.",
+ "Invalid or unrecognized file format.",
+ "Invalid or unsupported data.",
+ "Invalid or unsupported compression.",
+ "Insufficient memory",
+ "Interrupted by the counter",
+}
+
+function Confirm(title,msg)
+ if continue then
+ b=iup.Alarm(title, msg ,"Continue" ,"Exit")
+ if b==2 then continue=false print("Script Aborted!") end
+ end
+end
+
+function Create_Host_Image()
+ if continue then
+ local screenx=1024*3 screeny=684*3
+ dst_photo = im.ImageCreate(screenx, screeny, im.RGB, im.BYTE)
+ resize_photo = im.ImageCreate(1024, 684, im.RGB, im.BYTE) -- for resize
+ end
+end
+
+function Create_Host_Name(name)
+ if continue then
+ i=0
+ repeat
+ i=i+1
+ num=1000+i
+ numstr=string.sub(tostring(num),-3)
+-- path="D:/Composite/"
+-- path="D:/Downloads/Test/"
+ path = "./"
+ ext=".jpg"
+ Result=path..name..numstr..ext
+ res,msg=io.open(Result)
+ io.close()
+ until not res
+ end
+end
+
+function Get_Source_Photo()
+ if continue then
+-- path="D:/MyPictures/"
+ path="test/*.jpg"
+ Source, err = iup.GetFile(path)
+ print("Source: ", Source)
+ if err<0 then continue=false end
+ end
+end
+
+function Insert_Photo(num)
+ if continue then
+ title="Photo "..num.." of 9" --msg=Source Confirm(title,msg)
+ wd=dst_photo:Width()
+ hd=dst_photo:Height()
+ --print("Dst Size:",wd,hd)
+ src_photo, err=im.FileImageLoadBitmap(Source)
+ if (err and err ~= im.ERR_NONE) then
+ error(err_msg[err+1])
+ end
+ if (not View_Image(src_photo, title)) then continue = false return end
+ valuex=src_photo:Width()
+ valuey=src_photo:Height()
+ --print("Source Size:",valuex,valuey)
+ panex={0,1024,2048,0,1024,2048,0,1024,2048}
+ paney={0,0,0,684,684,684,1368,1368,1368}
+ Xd=panex[num]
+ Yd=paney[num]
+ Wd=1024 Hd=684
+ -- extract a proportional rectangle from the source image
+ if 1.5*valuey>valuex then
+ Ws=valuex
+ Xs=0
+ Hs=math.floor(valuex/1.5)
+ Ys=math.floor((valuey-Hs)/2)
+ else
+ Hs=valuey
+ Ys=0
+ Ws=math.floor(1.5*Hs)
+ Xs=math.floor((valuex-Ws)/2)
+ end
+
+ --print("Crop Size:",Ws, Hs)
+ --print("Crop Shift:",Xs,Ys)
+ crop_photo = im.ImageCreate(Ws, Hs, im.RGB, im.BYTE)
+ im.ProcessCrop(src_photo, crop_photo, Xs,Ys)
+ im.ProcessResize(crop_photo, resize_photo, 1) -- do bilinear interpolation
+ im.ProcessInsert(dst_photo, resize_photo, dst_photo, Xd, Yd) -- insert resize in dst and place the result in dst
+ crop_photo:Destroy()
+
+ if num==9 then src_photo:CopyAttributes(dst_photo) end
+ end
+end
+
+function Save_Composite_Photo()
+ if continue then
+ name="Composite"
+ Create_Host_Name(name)
+ if (not View_Image(dst_photo, "Composite")) then continue = false return end
+ dst_photo:Save(Result, "JPEG")
+ --os.execute(Result)
+ end
+end
+
+--Script Starts
+continue=true
+title="9 Panel Composite" msg="Photos can be anysize." Confirm(title,msg)
+Create_Host_Image()
+for i=1,9 do
+ num=i
+ Get_Source_Photo()
+ Insert_Photo(num)
+ end
+Save_Composite_Photo()