DrawingUtils.hpp

Go to the documentation of this file.

 
#ifndef M5AVATAR_DRAWING_UTILS_HPP_
#define M5AVATAR_DRAWING_UTILS_HPP_
 
#include <BoundingRect.h>
#include <DrawContext.h>
#include <Drawable.h>
 
namespace m5avatar {
void rotatePoint(float &x, float &y, float angle);
 
void rotatePointAround(float &x, float &y, float angle, float cx, float cy);
 
void fillRotatedRect(M5Canvas *canvas, uint16_t cx, uint16_t cy, uint16_t w,
                     uint16_t h, float angle, uint16_t color);
 
void fillRectRotatedAround(M5Canvas *canvas, float top_left_x, float top_left_y,
                           float bottom_right_x, float bottom_right_y,
                           float angle, uint16_t cx, uint16_t cy,
                           uint16_t color);
void computeParamsOfCirclePassingThroughThreePoints(float &r, float &cx,
                                                    float &cy, float x1,
                                                    float y1, float x2,
                                                    float y2, float x3,
                                                    float y3);
 
void computeAnglesOfArcPassingThroughThreePoints(
    float &min_angle, float &max_angle, float &via_angle, float x1, float y1,
    float x2, float y2, float via_x, float via_y, float cx, float cy);
 
void drawCircle(M5Canvas *canvas, float x1, float y1, float x2, float y2,
                float x3, float y3, uint16_t color);
 
void drawArc(M5Canvas *canvas, float x1, float y1, float x2, float y2,
             float via_x, float via_y, uint8_t thickness = 4,
             uint16_t color = 0xffff, uint8_t offset = 0);
 
void fillArc(M5Canvas *canvas, float x1, float y1, float x2, float y2,
             float via_x, float via_y, uint8_t thickness = 4,
             uint16_t color = 0xffff, uint8_t offset = 0);
 
}  // namespace m5avatar
 
#endif