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Diffstat (limited to 'src/fltk-images-bitmaps.adb')
-rw-r--r-- | src/fltk-images-bitmaps.adb | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/src/fltk-images-bitmaps.adb b/src/fltk-images-bitmaps.adb new file mode 100644 index 0000000..280d327 --- /dev/null +++ b/src/fltk-images-bitmaps.adb @@ -0,0 +1,71 @@ + + +with Interfaces.C; +with System; +use type System.Address; + + +package body FLTK.Images.Bitmaps is + + + procedure free_fl_bitmap + (I : in System.Address); + pragma Import (C, free_fl_bitmap, "free_fl_bitmap"); + + function fl_bitmap_copy + (I : in System.Address; + W, H : in Interfaces.C.int) + return System.Address; + pragma Import (C, fl_bitmap_copy, "fl_bitmap_copy"); + + function fl_bitmap_copy2 + (I : in System.Address) + return System.Address; + pragma Import (C, fl_bitmap_copy2, "fl_bitmap_copy2"); + + + + + overriding procedure Finalize + (This : in out Bitmap) is + begin + if This.Void_Ptr /= System.Null_Address and then + This in Bitmap'Class + then + free_fl_bitmap (This.Void_Ptr); + This.Void_Ptr := System.Null_Address; + end if; + Finalize (Image (This)); + end Finalize; + + + + + function Copy + (This : in Bitmap; + Width, Height : in Natural) + return Bitmap is + begin + return Copied : Bitmap do + Copied.Void_Ptr := fl_bitmap_copy + (This.Void_Ptr, + Interfaces.C.int (Width), + Interfaces.C.int (Height)); + end return; + end Copy; + + + + + function Copy + (This : in Bitmap) + return Bitmap is + begin + return Copied : Bitmap do + Copied.Void_Ptr := fl_bitmap_copy2 (This.Void_Ptr); + end return; + end Copy; + + +end FLTK.Images.Bitmaps; + |