From 2cbec01126c34e70fc8e11d77553ef5bfd94cec7 Mon Sep 17 00:00:00 2001 From: Jed Barber Date: Fri, 18 May 2018 16:21:25 +1000 Subject: Added Choices, Pixmaps, GIFs, XPMs --- src/fltk-images-pixmaps-gif.adb | 71 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 src/fltk-images-pixmaps-gif.adb (limited to 'src/fltk-images-pixmaps-gif.adb') diff --git a/src/fltk-images-pixmaps-gif.adb b/src/fltk-images-pixmaps-gif.adb new file mode 100644 index 0000000..579d8b7 --- /dev/null +++ b/src/fltk-images-pixmaps-gif.adb @@ -0,0 +1,71 @@ + + +with + + Interfaces.C, + System; + +use type + + System.Address; + + +package body FLTK.Images.Pixmaps.GIF is + + + function new_fl_gif_image + (F : in Interfaces.C.char_array) + return System.Address; + pragma Import (C, new_fl_gif_image, "new_fl_gif_image"); + pragma Inline (new_fl_gif_image); + + procedure free_fl_gif_image + (P : in System.Address); + pragma Import (C, free_fl_gif_image, "free_fl_gif_image"); + pragma Inline (free_fl_gif_image); + + + + + overriding procedure Finalize + (This : in out GIF_Image) is + begin + if This.Void_Ptr /= System.Null_Address and then + This in GIF_Image'Class + then + free_fl_gif_image (This.Void_Ptr); + This.Void_Ptr := System.Null_Address; + end if; + Finalize (Pixmap (This)); + end Finalize; + + + + + package body Forge is + + function Create + (Filename : in String) + return GIF_Image is + begin + return This : GIF_Image do + This.Void_Ptr := new_fl_gif_image + (Interfaces.C.To_C (Filename)); + case fl_image_fail (This.Void_Ptr) is + when 1 => + raise No_Image_Error; + when 2 => + raise File_Access_Error; + when 3 => + raise Format_Error; + when others => + null; + end case; + end return; + end Create; + + end Forge; + + +end FLTK.Images.Pixmaps.GIF; + -- cgit