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authorJedidiah Barber <contact@jedbarber.id.au>2025-01-21 21:04:54 +1300
committerJedidiah Barber <contact@jedbarber.id.au>2025-01-21 21:04:54 +1300
commitb4438b2fbe895694be98e6e8426103deefc51448 (patch)
tree760d86cd7c06420a91dad102cc9546aee73146fc /body/fltk-images-rgb-jpeg.adb
parenta4703a65b015140cd4a7a985db66264875ade734 (diff)
Split public API and private implementation files into different directories
Diffstat (limited to 'body/fltk-images-rgb-jpeg.adb')
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1 files changed, 92 insertions, 0 deletions
diff --git a/body/fltk-images-rgb-jpeg.adb b/body/fltk-images-rgb-jpeg.adb
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+
+
+-- Programmed by Jedidiah Barber
+-- Released into the public domain
+
+
+with
+
+ Interfaces.C;
+
+
+package body FLTK.Images.RGB.JPEG is
+
+
+ function new_fl_jpeg_image
+ (F : in Interfaces.C.char_array)
+ return Storage.Integer_Address;
+ pragma Import (C, new_fl_jpeg_image, "new_fl_jpeg_image");
+ pragma Inline (new_fl_jpeg_image);
+
+ function new_fl_jpeg_image2
+ (N : in Interfaces.C.char_array;
+ D : in Storage.Integer_Address)
+ return Storage.Integer_Address;
+ pragma Import (C, new_fl_jpeg_image2, "new_fl_jpeg_image2");
+ pragma Inline (new_fl_jpeg_image2);
+
+ procedure free_fl_jpeg_image
+ (P : in Storage.Integer_Address);
+ pragma Import (C, free_fl_jpeg_image, "free_fl_jpeg_image");
+ pragma Inline (free_fl_jpeg_image);
+
+
+
+
+ overriding procedure Finalize
+ (This : in out JPEG_Image) is
+ begin
+ if This.Void_Ptr /= Null_Pointer and This.Needs_Dealloc then
+ free_fl_jpeg_image (This.Void_Ptr);
+ This.Void_Ptr := Null_Pointer;
+ end if;
+ end Finalize;
+
+
+
+
+ --------------------
+ -- Construction --
+ --------------------
+
+ package body Forge is
+
+ function Create
+ (Filename : in String)
+ return JPEG_Image is
+ begin
+ return This : JPEG_Image do
+ This.Void_Ptr := new_fl_jpeg_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;
+
+ function Create
+ (Name : in String := "";
+ Data : in Color_Component_Array)
+ return JPEG_Image is
+ begin
+ return This : JPEG_Image do
+ This.Void_Ptr := new_fl_jpeg_image2
+ (Interfaces.C.To_C (Name),
+ Storage.To_Integer (Data (Data'First)'Address));
+ 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.RGB.JPEG;
+