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ada-git-code

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if Color_Count > 0 then
Ada.Text_IO.Put (",");
end if;
if Color_Count mod 4 = 3 then
Ada.Text_IO.New_Line;
Ada.Text_IO.Set_Col (9);
else
Ada.Text_IO.Put (" ");
end if;
Color_Count := Color_Count + 1;
Ada.Text_IO.Put ("(");
Ada.Text_IO.Put (Red_Image (Red_Image'First + 1 .. Red_Image'Last));
Ada.Text_IO.Put (",");
Ada.Text_IO.Put (Unsigned_8'Image (Green));
Ada.Text_IO.Put (",");
Ada.Text_IO.Put (Unsigned_8'Image (Blue));
Ada.Text_IO.Put (")");
end Get_Color;
procedure Write_Palette is
new GID.Get_palette (Get_Color);
Next_Frame : Ada.Calendar.Day_Duration := 0.0;
begin
Ada.Streams.Stream_IO.Open (File, Ada.Streams.Stream_IO.In_File, Path);
GID.Load_image_header (Image, Ada.Streams.Stream_IO.Stream (File).all);
Ada.Text_IO.Put_Line ("with UI.Images;");
Ada.Text_IO.Put_Line ("package " & Name & " is");
Ada.Text_IO.New_Line;
Ada.Text_IO.Put (" ");
Ada.Text_IO.Put_Line ("Descriptor : constant UI.Images.Image_Descriptor;");
Ada.Text_IO.New_Line;
Ada.Text_IO.Put_Line ("private");
Ada.Text_IO.New_Line;
Ada.Text_IO.Put_Line (" Palette : aliased constant UI.Images.Color_Array := (");
Ada.Text_IO.Set_Col (8);
Write_Palette (Image);
Ada.Text_IO.Put_Line (" );");
Ada.Text_IO.Put_Line (" -- " & Natural'Image (Color_Count) & " colors");
Ada.Text_IO.New_Line;
Ada.Text_IO.Put_Line (" Data : aliased constant UI.Images.Bitmap_Array := (");
Ada.Text_IO.Put (" ");
Load_Image (Image, Next_Frame);
Ada.Streams.Stream_IO.Close (File);
Ada.Text_IO.Put_Line (" );");
Ada.Text_IO.Put_Line (" -- " & Natural'Image (Count) & " bytes");
Ada.Text_IO.New_Line;
Ada.Text_IO.Put_Line (" Descriptor : constant UI.Images.Image_Descriptor :=");
Ada.Text_IO.Put (" (Width =>");
Ada.Text_IO.Put (Positive'Image (GID.Pixel_width (Image)));
Ada.Text_IO.Put_Line (",");
Ada.Text_IO.Put (" Height =>");
Ada.Text_IO.Put (Positive'Image (GID.Pixel_height (Image)));
Ada.Text_IO.Put_Line (",");
Ada.Text_IO.Put_Line (" Palette => Palette'Access,");
Ada.Text_IO.Put_Line (" Bitmap => Data'Access);");
Ada.Text_IO.New_Line;
Ada.Text_IO.Put_Line ("end " & Name & ";");
Function Definition: procedure Big_endian is new Big_endian_number( U16 );
Function Body: procedure Read( image: in out Image_descriptor; sh: out Segment_head) is
b: U8;
id: constant array(JPEG_marker) of U8:=
( SOI => 16#D8#,
--
SOF_0 => 16#C0#, SOF_1 => 16#C1#, SOF_2 => 16#C2#, SOF_3 => 16#C3#,
SOF_5 => 16#C5#, SOF_6 => 16#C6#, SOF_7 => 16#C7#, SOF_8 => 16#C8#,
SOF_9 => 16#C9#, SOF_10 => 16#CA#, SOF_11 => 16#CB#, SOF_13 => 16#CD#,
SOF_14 => 16#CE#, SOF_15 => 16#CF#,
--
DHT => 16#C4#,
DAC => 16#CC#,
DQT => 16#DB#,
DRI => 16#DD#,
--
APP_0 => 16#E0#, APP_1 => 16#E1#, APP_2 => 16#E2#, APP_3 => 16#E3#,
APP_4 => 16#E4#, APP_5 => 16#E5#, APP_6 => 16#E6#, APP_7 => 16#E7#,
APP_8 => 16#E8#, APP_9 => 16#E9#, APP_10 => 16#EA#, APP_11 => 16#EB#,
APP_12 => 16#EC#, APP_13 => 16#ED#, APP_14 => 16#EE#,
--
COM => 16#FE#,
SOS => 16#DA#,
EOI => 16#D9#
);
begin
Get_Byte(image.buffer, b);
if b /= 16#FF# then
Raise_Exception(
error_in_image_data'Identity,
"JPEG: expected marker here"
);
end if;
Get_Byte(image.buffer, b);
for m in id'Range loop
if id(m)= b then
sh.kind:= m;
Big_endian(image.buffer, sh.length);
sh.length:= sh.length - 2;