mirror of
https://github.com/cc65/cc65.git
synced 2024-12-27 00:29:31 +00:00
66 lines
3.5 KiB
C
66 lines
3.5 KiB
C
/*****************************************************************************/
|
|
/* */
|
|
/* tgi_pieslice.c */
|
|
/* */
|
|
/* Draw an ellipic pie slice */
|
|
/* */
|
|
/* */
|
|
/* */
|
|
/* (C) 2009, Ullrich von Bassewitz */
|
|
/* Roemerstrasse 52 */
|
|
/* D-70794 Filderstadt */
|
|
/* EMail: uz@cc65.org */
|
|
/* */
|
|
/* */
|
|
/* This software is provided 'as-is', without any expressed or implied */
|
|
/* warranty. In no event will the authors be held liable for any damages */
|
|
/* arising from the use of this software. */
|
|
/* */
|
|
/* Permission is granted to anyone to use this software for any purpose, */
|
|
/* including commercial applications, and to alter it and redistribute it */
|
|
/* freely, subject to the following restrictions: */
|
|
/* */
|
|
/* 1. The origin of this software must not be misrepresented; you must not */
|
|
/* claim that you wrote the original software. If you use this software */
|
|
/* in a product, an acknowledgment in the product documentation would be */
|
|
/* appreciated but is not required. */
|
|
/* 2. Altered source versions must be plainly marked as such, and must not */
|
|
/* be misrepresented as being the original software. */
|
|
/* 3. This notice may not be removed or altered from any source */
|
|
/* distribution. */
|
|
/* */
|
|
/*****************************************************************************/
|
|
|
|
|
|
|
|
#include <tgi.h>
|
|
#include <tgi/tgi-kernel.h>
|
|
#include <cc65.h>
|
|
|
|
|
|
|
|
/*****************************************************************************/
|
|
/* Code */
|
|
/*****************************************************************************/
|
|
|
|
|
|
|
|
void __fastcall__ tgi_pieslice (int x, int y, unsigned char rx, unsigned char ry,
|
|
unsigned sa, unsigned ea)
|
|
/* Draw an ellipse pie slice with center at x/y and radii rx/ry using the
|
|
* current drawing color. The pie slice covers the angle between sa and ea
|
|
* (startangle and endangle), which must be in the range 0..360 (otherwise the
|
|
* function may behave unextectedly).
|
|
*/
|
|
{
|
|
/* Draw an arc ... */
|
|
tgi_arc (x, y, rx, ry, sa, ea);
|
|
|
|
/* ... and close it */
|
|
tgi_line (x, y, x + tgi_imulround (rx, cc65_cos (sa)), y - tgi_imulround (ry, cc65_sin (sa)));
|
|
tgi_line (x, y, x + tgi_imulround (rx, cc65_cos (ea)), y - tgi_imulround (ry, cc65_sin (ea)));
|
|
}
|
|
|
|
|
|
|