aboutsummaryrefslogtreecommitdiff
path: root/body/fltk-images-rgb.adb
diff options
context:
space:
mode:
Diffstat (limited to 'body/fltk-images-rgb.adb')
-rw-r--r--body/fltk-images-rgb.adb28
1 files changed, 15 insertions, 13 deletions
diff --git a/body/fltk-images-rgb.adb b/body/fltk-images-rgb.adb
index f3dff61..71d2520 100644
--- a/body/fltk-images-rgb.adb
+++ b/body/fltk-images-rgb.adb
@@ -159,7 +159,9 @@ package body FLTK.Images.RGB is
begin
return This : RGB_Image do
This.Void_Ptr := new_fl_rgb_image
- (Storage.To_Integer (Data (Data'First)'Address),
+ ((if Data'Length > 0
+ then Storage.To_Integer (Data (Data'First)'Address)
+ else Null_Pointer),
Interfaces.C.int (Width),
Interfaces.C.int (Height),
Interfaces.C.int (Depth),
@@ -192,14 +194,14 @@ package body FLTK.Images.RGB is
-- Static Settings --
function Get_Max_Size
- return Natural is
+ return Size_Type is
begin
- return Natural (fl_rgb_image_get_max_size);
+ return Size_Type (fl_rgb_image_get_max_size);
end Get_Max_Size;
procedure Set_Max_Size
- (Value : in Natural) is
+ (Value : in Size_Type) is
begin
fl_rgb_image_set_max_size (Interfaces.C.size_t (Value));
end Set_Max_Size;
@@ -273,21 +275,21 @@ package body FLTK.Images.RGB is
function Data_Size
(This : in RGB_Image)
- return Natural
+ return Size_Type
is
- Per_Line : Natural := This.Get_Line_Size;
+ Per_Line : constant Natural := This.Get_Line_Size;
begin
if Per_Line = 0 then
- return This.Get_W * This.Get_D * This.Get_H;
+ return Size_Type (This.Get_W) * Size_Type (This.Get_D) * Size_Type (This.Get_H);
else
- return Per_Line * This.Get_H;
+ return Size_Type (Per_Line) * Size_Type (This.Get_H);
end if;
end Data_Size;
function Get_Datum
(This : in RGB_Image;
- Place : in Positive)
+ Place : in Positive_Size)
return Color_Component
is
The_Data : Color_Component_Array (1 .. This.Data_Size);
@@ -300,7 +302,7 @@ package body FLTK.Images.RGB is
procedure Set_Datum
(This : in out RGB_Image;
- Place : in Positive;
+ Place : in Positive_Size;
Value : in Color_Component)
is
The_Data : Color_Component_Array (1 .. This.Data_Size);
@@ -313,8 +315,8 @@ package body FLTK.Images.RGB is
function Slice
(This : in RGB_Image;
- Low : in Positive;
- High : in Natural)
+ Low : in Positive_Size;
+ High : in Size_Type)
return Color_Component_Array
is
The_Data : Color_Component_Array (1 .. This.Data_Size);
@@ -327,7 +329,7 @@ package body FLTK.Images.RGB is
procedure Overwrite
(This : in out RGB_Image;
- Place : in Positive;
+ Place : in Positive_Size;
Values : in Color_Component_Array)
is
The_Data : Color_Component_Array (1 .. This.Data_Size);