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cleanups & docs

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Tectu 2012-08-28 16:39:05 +02:00
parent d71a621790
commit 661d0bb2fe
1 changed files with 14 additions and 1 deletions
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15
src/gdisp.c
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@ -659,7 +659,20 @@ void gdispDrawBox(coord_t x, coord_t y, coord_t cx, coord_t cy, color_t color) {
}
}
void _draw_arc(int x, int y, int start, int end, int radius, color_t color) {
/*
* @brief Internal helper function for gdispDrawArc()
*
* @note DO NOT USE DIRECTLY!
*
* @param[in] x, y The middle point of the arc
* @param[in] start The start angle of the arc
* @param[in] end The end angle of the arc
* @param[in] radius The radius of the arc
* @param[in] color The color in which the arc will be drawn
*
* @notapi
*/
void _draw_arc(coord_t x, coord_t y, uint16_t start, uint16_t end, uint16_t radius, color_t color) {
if (start >= 0 && start <= 180) {
float x_maxI = x + radius*cos(start*M_PI/180);
float x_minI;