Initial import. Contains the im, cd and iup librairies, and a "working" Makefile for them under linux.

1 files changed, 96 insertions, 0 deletions

diff --git a/iup/srclua5/image.lua b/iup/srclua5/image.lua
new file mode 100755
index 0000000..38ef556
--- /dev/null
+++ b/iup/srclua5/image.lua
@@ -0,0 +1,96 @@
+------------------------------------------------------------------------------
+-- Image class 
+------------------------------------------------------------------------------
+local ctrl = {
+  nick = "image",
+  parent = WIDGET,
+  creation = "nns", -- fake definition
+  callback = {},
+  createfunc = [[ 
+static int Image (lua_State * L)
+{
+  int w, h, c, num_colors;
+  unsigned char *pixels;
+  Ihandle* ih;
+  char str[20];
+
+  if (lua_istable(L, 1))
+  {
+    int i, j;
+
+    /* get the number of lines */
+    h = luaL_getn(L, 1);  
+
+    /* get the number of columns of the first line */
+    lua_pushnumber(L, 1);
+    lua_gettable(L, 1);
+    w = luaL_getn(L, -1);  
+    lua_pop(L, 1);
+    
+    pixels = (unsigned char *) malloc (h*w);
+
+    for (i=1; i<=h; i++)
+    {
+      lua_pushnumber(L, i);
+      lua_gettable(L, 1);
+      for (j=1; j<=w; j++)
+      {
+        int idx = (i-1)*w+(j-1);
+        lua_pushnumber(L, j);
+        lua_gettable(L, -2);
+        pixels[idx] = (unsigned char)lua_tonumber(L, -1);
+        lua_pop(L, 1);
+      }
+      lua_pop(L, 1);
+    }
+    
+    ih = IupImage(w,h,pixels);  
+    free(pixels);
+
+    num_colors = luaL_getn(L, 2);
+    num_colors = num_colors>255? 255: num_colors;
+    for(c=1; c<=num_colors; c++)
+    {
+      lua_rawgeti(L, 2, c);
+      sprintf(str, "%d", c);
+      IupStoreAttribute(ih, str, lua_tostring(L,-1));
+      lua_pop(L, 1);
+    }
+  }
+  else
+  {
+    w = luaL_checkint(L, 1);
+    h = luaL_checkint(L, 2);
+    pixels = iuplua_checkuchar_array(L, 3, w*h);
+    ih = IupImage(w, h, pixels);
+    free(pixels);
+
+    num_colors = luaL_getn(L, 4);
+    num_colors = num_colors>256? 256: num_colors;
+    for(c=1; c<=num_colors; c++)
+    {
+      lua_rawgeti(L, 4, c);
+      sprintf(str, "%d", c-1);
+      IupStoreAttribute(ih, str, lua_tostring(L,-1));
+      lua_pop(L, 1);
+    }
+  }
+
+  iuplua_plugstate(L, ih);
+  iuplua_pushihandle_raw(L, ih);
+  return 1;
+} 
+ 
+]]
+}
+
+function ctrl.createElement(class, arg)
+   if (arg.width and arg.height and arg.pixels) then
+     return Image(arg.width, arg.height, arg.pixels, arg.colors)
+   else
+     return Image(arg, arg.colors)
+   end
+end
+
+iupRegisterWidget(ctrl)
+iupSetClass(ctrl, "iup widget")