GFX.h File Reference

GFX library header. More...

#include "TFT.h"

Go to the source code of this file.

Macros
#define	absDiff(x, y)   ((x>y) ? (x-y) : (y-x))
#define	swap(a, b)

Functions
void	TFT_HorizontalLine (unsigned int Xaxis, unsigned int Yaxis, unsigned int width, unsigned int color)
	Draw a horizontal line on the display. More...
void	TFT_VerticalLine (unsigned int Xaxis, unsigned int Yaxis, unsigned int height, unsigned int color)
	Draw a vertical line on the display. More...
void	TFT_Line (unsigned int x1, unsigned int y1, unsigned int x2, unsigned int y2, unsigned int color)
	This function paints a. More...
void	TFT_SlantyLine (unsigned int lX1, unsigned int lY1, unsigned int lX2, unsigned int lY2, unsigned int color)
	Plot a slanty line from x1,y1 to x2,y2 on the display. More...
double	TFT_dfloor (double value)
	Helper funrtion for truncating the double values. More...
void	TFT_FullRectangle (unsigned int Xaxis1, unsigned int Yaxis1, unsigned int Xaxis2, unsigned int Yaxis2, unsigned int color)
	This function paints a filled rectangle on the screen. More...
void	TFT_EmptyRectangle (unsigned int Xaxis1, unsigned int Yaxis1, unsigned int Xaxis2, unsigned int Yaxis2, unsigned int color)
	This function paints an empty rectangle on the screen. The width of the contour is 1 pixel. More...
void	TFT_RoundRectangle (unsigned int x, unsigned int y, unsigned int width, unsigned int height, unsigned int radius, unsigned int color)
	This function draws a rectangle with round corners. More...
void	TFT_Circle (unsigned int CenterX, unsigned int CenterY, unsigned int Radius, unsigned int color)
	This function draws a circle centered a x,y with radius R and specific color. More...
void	TFT_DrawCircle (unsigned int CenterX, unsigned int CenterY, unsigned int Radius, unsigned int color)
	This function draws a circle centered a x,y with radius R and specific color. More...
void	TFT_Disk (unsigned int CenterX, unsigned int CenterY, unsigned int Radius, unsigned int color)
	This function plots a full disk on the display. More...
void	TFT_Ellipse (long CX, long CY, long XRadius, long YRadius, unsigned int color)
	This function paints a. More...
void	Plot4EllipsePoints (long CX, long CY, long X, long Y, unsigned int color)
	Helper function for plotting an ellipse. More...
void	TFT_RightTriangle (int topx, int topy, int rightx, int righty, unsigned int color)
	This function paints a right angled triangle. More...

Detailed Description

GFX library header.

Author

D.Qendri

Date

30 May 2015

Definition in file GFX.h.

Macro Definition Documentation

#define absDiff	(		x,
			y
	)		((x>y) ? (x-y) : (y-x))

Definition at line 36 of file GFX.h.

#define swap	(		a,
			b
	)

Value:

do\
{\
unsigned char t;\
    t=a;\
    a=b;\
    b=t;\
} while(0)

Definition at line 37 of file GFX.h.

Function Documentation

void Plot4EllipsePoints ( long  CX, long  CY, long  X, long  Y, unsigned int  color  )

inline

Helper function for plotting an ellipse.

Parameters

CX	x coordinate of one side
CY	y coordinate of one side
X	x coordinate of other side
Y	y coordinate of other side
color	Ellipse color

Returns

none

Definition at line 465 of file GFX.c.

void TFT_Circle	(	unsigned int	CenterX,
		unsigned int	CenterY,
		unsigned int	Radius,
		unsigned int	color
	)

This function draws a circle centered a x,y with radius R and specific color.

Parameters

CenterX	Center x coordinate
CenterY	Center y coordinate
Radius	Circle radius
color	Circle's color.

Returns

none

Definition at line 297 of file GFX.c.

double TFT_dfloor ( double  value )

inline

Helper funrtion for truncating the double values.

Parameters

value

Double value to be truncated

Returns

value Ceiling or floor value of the floating point number

Definition at line 109 of file GFX.c.

void TFT_Disk	(	unsigned int	CenterX,
		unsigned int	CenterY,
		unsigned int	Radius,
		unsigned int	color
	)

This function plots a full disk on the display.

Parameters

CenterX	Center x coordinate
CenterY	Center y coordinate
Radius	Disk radius
color	Disk Color

Returns

none

Definition at line 332 of file GFX.c.

void TFT_DrawCircle	(	unsigned int	CenterX,
		unsigned int	CenterY,
		unsigned int	Radius,
		unsigned int	color
	)

This function draws a circle centered a x,y with radius R and specific color.

Parameters

CenterX	Center x coordinate
CenterY	Center y coordinate
Radius	Circle radius
color	Circle's color.

Returns

none

Definition at line 370 of file GFX.c.

void TFT_Ellipse	(	long	CX,
		long	CY,
		long	XRadius,
		long	YRadius,
		unsigned int	color
	)

This function paints a.

Parameters

CX	x coordinate of one side
CY	y coordinate of one side
XRadius	x coordinate of other side
YRadius	y coordinate of other side
color	Ellipse color

Returns

none

Definition at line 399 of file GFX.c.

void TFT_EmptyRectangle	(	unsigned int	Xaxis1,
		unsigned int	Yaxis1,
		unsigned int	Xaxis2,
		unsigned int	Yaxis2,
		unsigned int	color
	)

This function paints an empty rectangle on the screen. The width of the contour is 1 pixel.

Parameters

Xaxis1	Starting point x coordinate.
Yaxis1	Starting point y coordinate.
Xaxis2	Finish point x coordinate.
Yaxis2	Finish point y coordinate.
color	Contour color.

Definition at line 227 of file GFX.c.

void TFT_FullRectangle	(	unsigned int	Xaxis1,
		unsigned int	Yaxis1,
		unsigned int	Xaxis2,
		unsigned int	Yaxis2,
		unsigned int	color
	)

This function paints a filled rectangle on the screen.

Parameters

Xaxis1	x coordinate of upper point
Yaxis1	y coordinate of upper point
Xaxis2	x coordinate of lower point
Yaxis2	y coordinate of lower point
color	Rectangle plot

Returns

none

Definition at line 205 of file GFX.c.

void TFT_HorizontalLine	(	unsigned int	Xaxis,
		unsigned int	Yaxis,
		unsigned int	width,
		unsigned int	color
	)

Draw a horizontal line on the display.

Parameters

Xaxis	The x coordinate of the origin
Yaxis	The y coordinate of the origin
width	Width of the segment.
color	Color of the line.

Returns

none

Definition at line 40 of file GFX.c.

void TFT_Line	(	unsigned int	x1,
		unsigned int	y1,
		unsigned int	x2,
		unsigned int	y2,
		unsigned int	color
	)

This function paints a.

Parameters

x1	Starting point x coordinate.
y1	Starting point y coordinate.
x2	Finish point x coordinate.
y2	Finish point y coordinate.
color	Color of the line.

Returns

none

Definition at line 67 of file GFX.c.

void TFT_RightTriangle	(	int	topx,
		int	topy,
		int	rightx,
		int	righty,
		unsigned int	color
	)

This function paints a right angled triangle.

Parameters

topx	x coordinate
topy	y coordinate
rightx	x coordinate
righty	y coordinate
color	Triangle color

Returns

none

Definition at line 482 of file GFX.c.

void TFT_RoundRectangle	(	unsigned int	x,
		unsigned int	y,
		unsigned int	width,
		unsigned int	height,
		unsigned int	radius,
		unsigned int	color
	)

This function draws a rectangle with round corners.

Parameters

x	Top left point X coordinate
y	Top left pointy Y coordinate
width	Rectangle width
height	Rectangle height
radius	Radius of the edges
color	Recatngle color

Returns

none

Definition at line 256 of file GFX.c.

void TFT_SlantyLine	(	unsigned int	lX1,
		unsigned int	lY1,
		unsigned int	lX2,
		unsigned int	lY2,
		unsigned int	color
	)

Plot a slanty line from x1,y1 to x2,y2 on the display.

Parameters

lX1	Starting point x coordinate.
lY1	Starting point y coordinate.
lX2	Finish point x coordinate.
lY2	Finish point y coordinate.
color

Returns

none

Definition at line 126 of file GFX.c.

void TFT_VerticalLine	(	unsigned int	Xaxis,
		unsigned int	Yaxis,
		unsigned int	height,
		unsigned int	color
	)

Draw a vertical line on the display.

Parameters

Xaxis	The x coordinate of the origin.
Yaxis	The y coordinate of the origin.
height	Height of the line.
color	Color of the line.

Returns

none

Definition at line 53 of file GFX.c.