diff options
author | Jedidiah Barber <contact@jedbarber.id.au> | 2024-12-24 18:51:07 +1300 |
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committer | Jedidiah Barber <contact@jedbarber.id.au> | 2024-12-24 18:51:07 +1300 |
commit | a8967c654b6ee09dce89fe83bcafff2181a1952f (patch) | |
tree | 447694a360f1b15ffd67155ee13b1e948519f0e2 /src/fltk-devices-surface-display.adb | |
parent | 6673742a204f298db1ca983da0184224d9f21649 (diff) |
Added Fl_Display_Device
Diffstat (limited to 'src/fltk-devices-surface-display.adb')
-rw-r--r-- | src/fltk-devices-surface-display.adb | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/src/fltk-devices-surface-display.adb b/src/fltk-devices-surface-display.adb new file mode 100644 index 0000000..ad35012 --- /dev/null +++ b/src/fltk-devices-surface-display.adb @@ -0,0 +1,118 @@ + + +-- Programmed by Jedidiah Barber +-- Released into the public domain + + +package body FLTK.Devices.Surface.Display is + + + ------------------------ + -- Functions From C -- + ------------------------ + + function new_fl_display_device + (G : in Storage.Integer_Address) + return Storage.Integer_Address; + pragma Import (C, new_fl_display_device, "new_fl_display_device"); + pragma Inline (new_fl_display_device); + + procedure free_fl_display_device + (D : in Storage.Integer_Address); + pragma Import (C, free_fl_display_device, "free_fl_display_device"); + pragma Inline (free_fl_display_device); + + + + + function fl_display_device_display_device + return Storage.Integer_Address; + pragma Import (C, fl_display_device_display_device, "fl_display_device_display_device"); + pragma Inline (fl_display_device_display_device); + + + + + function fl_surface_device_get_driver + (S : in Storage.Integer_Address) + return Storage.Integer_Address; + pragma Import (C, fl_surface_device_get_driver, "fl_surface_device_get_driver"); + pragma Inline (fl_surface_device_get_driver); + + + + + ------------------- + -- Destructors -- + ------------------- + + procedure Finalize + (This : in out Display_Device) is + begin + if This.Void_Ptr /= Null_Pointer and This.Needs_Dealloc then + free_fl_display_device (This.Void_Ptr); + This.Void_Ptr := Null_Pointer; + end if; + end Finalize; + + + + + -------------------- + -- Constructors -- + -------------------- + + package body Forge is + + function Create + (Graphics : in out FLTK.Devices.Graphics.Graphics_Driver) + return Display_Device is + begin + return This : Display_Device do + This.Void_Ptr := new_fl_display_device (Wrapper (Graphics).Void_Ptr); + This.My_Driver := Graphics'Unchecked_Access; + end return; + end Create; + + end Forge; + + + + + ------------------------- + -- Static Attributes -- + ------------------------- + + Platform_Display : aliased Display_Device; + Platform_Graphics : aliased FLTK.Devices.Graphics.Graphics_Driver; + + + + + ----------------------- + -- API Subprograms -- + ----------------------- + + function Get_Platform_Display + return Display_Device_Reference is + begin + return Ref : Display_Device_Reference (Data => Platform_Display'Access); + end Get_Platform_Display; + + +begin + + + Platform_Display.Void_Ptr := fl_display_device_display_device; + Platform_Display.Needs_Dealloc := False; + + Wrapper (Platform_Graphics).Void_Ptr := + fl_surface_device_get_driver (Platform_Display.Void_Ptr); + Wrapper (Platform_Graphics).Needs_Dealloc := False; + + Platform_Display.My_Driver := Platform_Graphics'Access; + + +end FLTK.Devices.Surface.Display; + + |