diff options
Diffstat (limited to 'html/examples/show_flower.wlua')
-rw-r--r-- | html/examples/show_flower.wlua | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/html/examples/show_flower.wlua b/html/examples/show_flower.wlua new file mode 100644 index 0000000..ec97a88 --- /dev/null +++ b/html/examples/show_flower.wlua @@ -0,0 +1,31 @@ +require"imlua" +require"cdlua" +require"cdluaim" +require"iuplua" +require"iupluacd" + +image = im.FileImageLoad("flower.jpg") -- directly load the image at index 0. it will open and close the file +cnv = iup.canvas{rastersize = image:Width().."x"..image:Height(), border = "NO"} +cnv.image = image -- store the new image in the IUP canvas as an attribute + +function cnv:map_cb() -- the CD canvas can only be created when the IUP canvas is mapped + self.canvas = cd.CreateCanvas(cd.IUP, self) +end + +function cnv:action() -- called everytime the IUP canvas needs to be repainted + self.canvas:Activate() + self.canvas:Clear() + self.image:cdCanvasPutImageRect(self.canvas, 0, 0, 0, 0, 0, 0, 0, 0) -- use default values +end + +dlg = iup.dialog{cnv} + +function dlg:close_cb() + cnv.image:Destroy() + cnv.canvas:Kill() + self:destroy() + return iup.IGNORE -- because we destroy the dialog +end + +dlg:show() +iup.MainLoop() |