summaryrefslogtreecommitdiff
path: root/test/lua/view.wlua
diff options
context:
space:
mode:
authorscuri <scuri>2009-08-18 02:21:01 +0000
committerscuri <scuri>2009-08-18 02:21:01 +0000
commit77a4608ee1f828ed70ec58588f0229cd57758148 (patch)
treeb1550da93d53331715c200f1acf8a7c1b2ff7be9 /test/lua/view.wlua
parente2726d7bef3b0a1684011e558cb68ca99cfecd75 (diff)
*** empty log message ***
Diffstat (limited to 'test/lua/view.wlua')
-rw-r--r--test/lua/view.wlua183
1 files changed, 0 insertions, 183 deletions
diff --git a/test/lua/view.wlua b/test/lua/view.wlua
deleted file mode 100644
index 60be33e..0000000
--- a/test/lua/view.wlua
+++ /dev/null
@@ -1,183 +0,0 @@
-require"imlua"
-require"cdlua"
-require"cdluaim"
-require"iuplua"
-require"iupluacd"
-
-function PrintError(func, error)
- local msg = {}
- msg[im.ERR_OPEN] = "Error Opening File."
- msg[im.ERR_MEM] = "Insuficient memory."
- msg[im.ERR_ACCESS] = "Error Accessing File."
- msg[im.ERR_DATA] = "Image type not Suported."
- msg[im.ERR_FORMAT] = "Invalid Format."
- msg[im.ERR_COMPRESS] = "Invalid or unsupported compression."
-
- if msg[error] then
- print(func..": "..msg[error])
- else
- print("Unknown Error.")
- end
-end
-
-function LoadImage(file_name)
- local image
- local ifile, error = im.FileOpen(file_name)
- if not ifile then
- PrintError("open", error)
- return
- end
-
- -- load the first image in the file.
- -- force the image to be converted to a bitmap
- image, error = ifile:LoadBitmap()
- if not image then
- PrintError("load", error)
- return
- end
-
- ifile:Close()
- return image
-end
-
-
-dlg = nil -- only one dlg
-
-function ShowImage(file_name)
-
- local image = LoadImage(file_name)
- if not image then
- return false
- end
-
- if dlg then
- local old_canvas = dlg.canvas
- local old_image = dlg.image
-
- if old_canvas ~= nil then old_canvas:Kill() end
- if old_image ~= nil then old_image:Destroy() end
-
- iup.Destroy(dlg)
- end
-
- cnv = iup.canvas{}
-
- function cnv:action()
- local canvas = dlg.canvas
- local image = dlg.image
-
- if (not canvas) then return end
-
- -- posy is top-down, CD is bottom-top.
- -- invert scroll reference (YMAX-DY - POSY).
- y = self.ymax-self.dy - self.posy
- if (y < 0) then y = 0 end
-
-
- canvas:Activate()
- canvas:Clear()
- x = -self.posx
- y = -y
- image:cdCanvasPutImageRect(canvas, x, y, image:Width(), image:Height(), 0, 0, 0, 0)
- canvas:Flush()
-
- return iup.DEFAULT
- end
-
- function cnv:button_cb()
- local file_name = "*.*"
- local error
-
- file_name, error = iup.GetFile(file_name)
- if error ~= 0 then
- return iup.DEFAULT
- end
-
- ShowImage(file_name)
- return iup.DEFAULT
- end
-
-
- -- Set the Canvas inicial size (IUP will retain this value).
- w = image:Width()
- h = image:Height()
- if (w > 800) then w = 800 end
- if (h > 600) then h = 600 end
- cnv.rastersize = string.format("%dx%d", w, h)
- cnv.border = "no"
- cnv.scrollbar = "yes"
- cnv.xmax = image:Width()-1
- cnv.ymax = image:Height()-1
-
- function cnv:resize_cb(w, h)
- self.dx = w
- self.dy = h
- self.posx = self.posx -- needed only in IUP 2.x
- self.posy = self.posy
- end
-
- dlg = iup.dialog{cnv}
- dlg.title = file_name
- dlg.cnv = cnv
- dlg.image = image
-
- function dlg:close_cb()
- local canvas = self.canvas
- local image = self.image
-
- if canvas then canvas:Kill() end
- if image then image:Destroy() end
-
- return iup.CLOSE
- end
-
- function dlg:map_cb()
- canvas = cd.CreateCanvas(cd.IUP, self.cnv)
- self.canvas = canvas
- self.posx = 0 -- needed only in IUP 2.x
- self.posy = 0
- end
-
- dlg:show()
- cnv.rastersize = nil -- to remove the minimum limit
-
- return true
-end
-
-function main(arg)
- local file_name = "*.*"
- local error
-
- -- Try to get a file name from the command line.
- if (arg == nil or table.getn(arg) < 2) then
- file_name, error = iup.GetFile(file_name)
- if error ~= 0 then
- return true
- end
- else
- file_name = arg[1]
- end
-
- if not ShowImage(file_name) then
- local Try = true
- -- If ShowImage returns an error I will try to read another image.
- -- I can give up on File Open dlg choosing "Cancel".
- while Try do
- file_name = "*.*"
-
- file_name, error = iup.GetFile(file_name)
- if error ~= 0 then
- return true
- end
-
- if ShowImage(file_name) then
- Try = false
- end
- end
- end
-
- iup.MainLoop()
- return true
-end
-
-main(arg)