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Implement "corner to corner" Gradient ellipses

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Thomas Bernard
2018-03-07 01:38:51 +01:00
parent c1afa188a2
commit df73e91c08
3 changed files with 116 additions and 0 deletions
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src/graph.h
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@@ -2,6 +2,7 @@
*/
/* Grafx2 - The Ultimate 256-color bitmap paint program
Copyright 2018 Thomas Bernard
Copyright 2007-2008 Adrien Destugues
Copyright 1996-2001 Sunset Design (Guillaume Dorme & Karl Maritaud)
@@ -104,6 +105,7 @@ void Degrade_aleatoire (long index,short x_pos,short y_pos);
void Draw_grad_circle (short center_x,short center_y,long sqradius,short spot_x,short spot_y);
void Draw_grad_ellipse(short center_x,short center_y,short horizontal_radius,short vertical_radius,short spot_x,short spot_y);
void Draw_grad_inscribed_ellipse(short x1, short y1, short x2, short y2, short spot_x, short spot_y);
void Draw_grad_rectangle(short rax,short ray,short rbx,short rby,short vax,short vay, short vbx, short vby);
void Polyfill_general(int vertices, short * points, int color);