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Lines and curves are working.

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git-svn-id: svn://pulkomandy.tk/GrafX2/trunk@79 416bcca6-2ee7-4201-b75f-2eb2f807beb1
This commit is contained in:
Adrien Destugues
2008-07-30 17:52:59 +00:00
parent d40d948c78
commit 6f9b6c977d
4 changed files with 97 additions and 7 deletions
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17
divers.c
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@@ -383,12 +383,25 @@ void Remplacer_une_couleur(byte Ancienne_couleur, byte Nouvelle_couleur)
void Ellipse_Calculer_limites(short Rayon_horizontal,short Rayon_vertical)
{
UNIMPLEMENTED
Ellipse_Rayon_horizontal_au_carre =
Table_des_carres[Rayon_horizontal];
Ellipse_Rayon_vertical_au_carre =
Table_des_carres[Rayon_vertical];
uint64_t Ellipse_Limite = Ellipse_Rayon_horizontal_au_carre * Ellipse_Rayon_vertical_au_carre;
Ellipse_Limite_Low = Ellipse_Limite & 0xFFFFFFFF;
Ellipse_Limite >>= 32;
Ellipse_Limite_High = Ellipse_Limite;
}
byte Pixel_dans_ellipse(void)
{
UNIMPLEMENTED
uint64_t ediesi = Table_des_carres[abs(Ellipse_Curseur_X)] *
(Ellipse_Rayon_vertical_au_carre) +
Table_des_carres[abs(Ellipse_Curseur_Y)] *
(Ellipse_Rayon_horizontal_au_carre);
if((ediesi >> 32) <= Ellipse_Limite_High &&
(ediesi & 0xFFFFFFFF) <= Ellipse_Limite_Low) return 255;
return 0;
}