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1 files changed, 69 insertions, 0 deletions

diff --git a/html/examples/multicrop_gif.lua b/html/examples/multicrop_gif.lua
new file mode 100644
index 0000000..0a519d3
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+++ b/html/examples/multicrop_gif.lua
@@ -0,0 +1,69 @@
+-- lua multicrop_gif.lua 60 60 0 0 newfile.gif DSC003*.jpg
+
+require"imlua"
+require"imlua_process"
+
+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.",
+  "Insuficient memory",
+  "Interrupted by the counter",
+}
+
+-- Margin parameters
+x1 = arg[1]
+x2 = arg[2]
+y1 = arg[3]
+y2 = arg[4]
+new_filename = arg[5]
+filename1 = arg[6]
+if (not x1 or not x2 or not y1 or not y2 or not new_filename or not filename1) then
+  print("Must have the rectangle coordinates and at least one file name as parameters.")
+  print("  Can have more than one file name as parameters and can use wildcards.")
+  print("  Usage:")
+  print("    lua multicrop.lua x1 x2 y1 y2 new_filename filename1 filename2 ...")
+  return
+end
+
+print(">>> Crop of multiple images <<<")
+
+function ProcessImageFile(file_name, ifile)
+  print("Loading File: "..file_name)
+  local image, err = im.FileImageLoad(file_name);
+  if (err and err ~= im.ERR_NONE) then
+    error(err_msg[err+1])
+  end
+
+  local new_image = im.ProcessCropNew(image, x1, image:Width()-1-x2, y1, image:Height()-1-y2)
+  local map_image = im.ImageCreateBased(new_image, nil, nil, im.MAP, im.BYTE)
+  im.ConvertColorSpace(new_image, map_image)
+  ifile:SaveImage(map_image)
+
+  map_image:Destroy()
+  new_image:Destroy()
+  image:Destroy()
+end
+
+ifile = im.FileNew(new_filename, "GIF")
+
+ifile:SetAttribute("Delay", im.USHORT, {30}) -- Time to wait betweed frames in 1/100 of a second.
+ifile:SetAttribute("Iterations", im.USHORT, {0}) -- The number of times to repeat the animation. 0 means to repeat forever.
+
+file_count = 0
+for index,value in ipairs(arg) do
+  if (index > 5) then
+    ProcessImageFile(arg[index], ifile)
+    file_count = file_count + 1
+  end
+end
+
+ifile:Close()
+
+if (file_count > 1) then
+  print("Processed "..file_count.." Files.")
+end
+print("Saved File: "..new_filename)