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Diffstat (limited to 'src/fltk-images-rgb-pnm.adb')
-rw-r--r-- | src/fltk-images-rgb-pnm.adb | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/fltk-images-rgb-pnm.adb b/src/fltk-images-rgb-pnm.adb new file mode 100644 index 0000000..ec325ce --- /dev/null +++ b/src/fltk-images-rgb-pnm.adb @@ -0,0 +1,50 @@ + + +with Interfaces.C; +with System; +use type System.Address; + + +package body FLTK.Images.RGB.PNM is + + + function new_fl_pnm_image + (F : in Interfaces.C.char_array) + return System.Address; + pragma Import (C, new_fl_pnm_image, "new_fl_pnm_image"); + + procedure free_fl_pnm_image + (P : in System.Address); + pragma Import (C, free_fl_pnm_image, "free_fl_pnm_image"); + + + + + overriding procedure Finalize + (This : in out PNM_Image) is + begin + if This.Void_Ptr /= System.Null_Address and then + This in PNM_Image'Class + then + free_fl_pnm_image (This.Void_Ptr); + This.Void_Ptr := System.Null_Address; + end if; + Finalize (RGB_Image (This)); + end Finalize; + + + + + function Create + (Filename : in String) + return PNM_Image is + begin + return This : PNM_Image do + This.Void_Ptr := new_fl_pnm_image + (Interfaces.C.To_C (Filename)); + end return; + end Create; + + +end FLTK.Images.RGB.PNM; + |