Circle_api

Functions
void	Graphics_drawCircle (const Graphics_Context *context, int32_t x, int32_t y, int32_t radius)
void	Graphics_fillCircle (const Graphics_Context *context, int32_t x, int32_t y, int32_t radius)

Detailed Description

Function Documentation

void Graphics_drawCircle	(	const Graphics_Context *	context,
		int32_t	x,
		int32_t	y,
		int32_t	radius
	)

Draws a circle.

Parameters

context	is a pointer to the drawing context to use.
x	is the X coordinate of the center of the circle.
y	is the Y coordinate of the center of the circle.
radius	is the radius of the circle.

This function draws a circle, utilizing the Bresenham circle drawing algorithm. The extent of the circle is from x - radius to x + radius and y - radius to y + radius, inclusive.

Returns

None.

References Graphics_Context::clipRegion, Graphics_drawPixel(), Graphics_Rectangle::xMax, Graphics_Rectangle::xMin, Graphics_Rectangle::yMax, and Graphics_Rectangle::yMin.

Referenced by Graphics_drawRadioButton().

void Graphics_fillCircle	(	const Graphics_Context *	context,
		int32_t	x,
		int32_t	y,
		int32_t	radius
	)

Draws a filled circle.

Parameters

context	is a pointer to the drawing context to use.
x	is the X coordinate of the center of the circle.
y	is the Y coordinate of the center of the circle.
radius	is the radius of the circle.

This function draws a filled circle, utilizing the Bresenham circle drawing algorithm. The extent of the circle is from x - radius to x + radius and y - radius to y + radius, inclusive.

Returns

None.

References Graphics_Context::clipRegion, Graphics_drawLineH(), Graphics_Rectangle::xMax, Graphics_Rectangle::xMin, Graphics_Rectangle::yMax, and Graphics_Rectangle::yMin.

Referenced by Graphics_drawRadioButton(), Graphics_drawReleasedRadioButton(), and Graphics_drawSelectedRadioButton().