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Ingy döt Net 2026-02-01 16:33:20 -08:00
parent 5150844a7d
commit 4bb20c9b71
7735 changed files with 38060 additions and 199180 deletions
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30
Task/Draw-a-sphere/Ada/draw-a-sphere-1.ada
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with Glib; use Glib;
with Cairo; use Cairo;
with Cairo.Png; use Cairo.Png;
with Cairo.Pattern; use Cairo.Pattern;
with Cairo.Image_Surface; use Cairo.Image_Surface;
with Ada.Numerics;
procedure Sphere is
subtype Dub is Glib.Gdouble;
Surface : Cairo_Surface;
Cr : Cairo_Context;
Pat : Cairo_Pattern;
Status_Out : Cairo_Status;
M_Pi : constant Dub := Dub (Ada.Numerics.Pi);
begin
Surface := Create (Cairo_Format_ARGB32, 512, 512);
Cr := Create (Surface);
Pat :=
Cairo.Pattern.Create_Radial (230.4, 204.8, 51.1, 204.8, 204.8, 256.0);
Cairo.Pattern.Add_Color_Stop_Rgba (Pat, 0.0, 1.0, 1.0, 1.0, 1.0);
Cairo.Pattern.Add_Color_Stop_Rgba (Pat, 1.0, 0.0, 0.0, 0.0, 1.0);
Cairo.Set_Source (Cr, Pat);
Cairo.Arc (Cr, 256.0, 256.0, 153.6, 0.0, 2.0 * M_Pi);
Cairo.Fill (Cr);
Cairo.Pattern.Destroy (Pat);
Status_Out := Write_To_Png (Surface, "SphereAda.png");
pragma Assert (Status_Out = Cairo_Status_Success);
end Sphere;

12
Task/Draw-a-sphere/Ada/draw-a-sphere-2.ada
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with Display; use Display;
with Display.Basic; use Display.Basic;
procedure Main is
Ball : Shape_Id := New_Circle
(X => 0.0,
Y => 0.0,
Radius => 20.0,
Color => Blue);
begin
null;
end Main;