turtlegraphic.c File Reference

Implementation of the TurtleGraphic functions. More...

#include "turtlegraphic.h"

Include dependency graph for turtlegraphic.c:

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Defines
#define	CLS_TURTLEGRAPHIC   "at/fhv/sgr/graphiclib/TurtleGraphic"
	Defines the full name of the TurtleGraphic-Class.
Functions
void	clearTurtleScreen (TurtleGraphic *tg)
	Clears the Screen.
void	createTurtleGraphic_ (TurtleGraphic *tg, Frame *frame)
	Creates the TurtleGraphic by getting the Java TurtleGraphic-Class, the method ids and createing a new Java TurtleGraphic-Object.
void	createTurtleGraphicC (TurtleGraphic_ *tg, Frame *frame)
	Function is called when working with C and calling the function createTurtleGraphic.
void	createTurtleGraphicCPP (TurtleGraphicCPP_ *tg, Frame *frame)
	Function is called when working with C++ and calling the function createTurtleGraphic.
void	deleteTurtleGraphic_ (TurtleGraphic *tg)
	Deletes the TurtleGraphic by deleting the global references.
void	deleteTurtleGraphicC (TurtleGraphic_ *tg)
	Function is called when working with C and calling the function deleteTurtleGraphic.
void	deleteTurtleGraphicCPP (TurtleGraphicCPP_ *tg)
	Function is called when working with C++ and calling the function deleteTurtleGraphic.
jfloat	getTurtleX (TurtleGraphic *tg)
	Gets X-Pos of the "turtle".
jfloat	getTurtleY (TurtleGraphic *tg)
	Get Y-Pos of the "turtle".
void	initTurtleGraphic_ (TurtleGraphic_ *tg)
	Initializes the TurtleGraphic_ structure by setting the function pointers.
void	moveTurtleTo (TurtleGraphic *tg, jfloat x, jfloat y)
	Moves the "turtle" to a position.
void	printTurtleText (TurtleGraphic *tg, const char *text)
	Prints the Text on Screen at the current position of the "turtle".
void	setTurtleAngle (TurtleGraphic *tg, jfloat angle)
	Sets the angle of the "turtle" moves to.
void	setTurtleColor (TurtleGraphic *tg, Color c)
	Sets the color with which the "turtle" draws.
void	setTurtleDraw (TurtleGraphic *tg, jboolean draw)
	Sets if the "turtle" draws or not.
void	turtlebackward (TurtleGraphic *tg, jfloat l)
	Moves the "turtle" backward.
void	turtleforward (TurtleGraphic *tg, jfloat l)
	Moves the "turtle" forward.
void	turtleleft (TurtleGraphic *tg, jfloat angle)
	Turns the "turtle" left.
void	turtleright (TurtleGraphic *tg, jfloat angle)
	Turns the "turtle" right.

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Detailed Description

Implementation of the TurtleGraphic functions.

The TurtleGraphic enables you draw on a Frame like you could to it with the LogoWriter. You will not see a turtle, but you can move forward and backward, change your movement angle, write on a Frame, etc.

Author:

Stefan Gruber

Date:

19.01.2005

Definition in file turtlegraphic.c.

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Define Documentation

#define CLS_TURTLEGRAPHIC   "at/fhv/sgr/graphiclib/TurtleGraphic"

Defines the full name of the TurtleGraphic-Class. Definition at line 16 of file turtlegraphic.c.

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Function Documentation

void clearTurtleScreen (  TurtleGraphic *  tg  )

Clears the Screen. Parameters: tg  - Pointer to the TurtleGraphic. Definition at line 164 of file turtlegraphic.c.

void createTurtleGraphic_ (  TurtleGraphic *  tg, Frame *  frame )

Creates the TurtleGraphic by getting the Java TurtleGraphic-Class, the method ids and createing a new Java TurtleGraphic-Object. Parameters: tg  - Pointer to the TurtleGraphic. frame  - Pointer to the frame to draw on. Definition at line 195 of file turtlegraphic.c.

void createTurtleGraphicC (  TurtleGraphic_ *  tg, Frame *  frame )

Function is called when working with C and calling the function createTurtleGraphic. It initializes the TurtleGraphic_ structure. Parameters: tg  - Pointer to the TurtleGraphic_ structure. frame  - Pointer to the frame to draw on. Definition at line 237 of file turtlegraphic.c.

void createTurtleGraphicCPP (  TurtleGraphicCPP_ *  tg, Frame *  frame )

Function is called when working with C++ and calling the function createTurtleGraphic. It initializes the TurtleGraphicCPP_ structure. Parameters: tg  - Pointer to the TurtleGraphicCPP_ structure. frame  - Pointer to the frame to draw on. Definition at line 224 of file turtlegraphic.c.

void deleteTurtleGraphic_ (  TurtleGraphic *  tg  )

Deletes the TurtleGraphic by deleting the global references. Parameters: tg  - Pointer to the TurtleGraphic. Definition at line 247 of file turtlegraphic.c.

void deleteTurtleGraphicC (  TurtleGraphic_ *  tg  )

Function is called when working with C and calling the function deleteTurtleGraphic. Parameters: tg  - Pointer to a TurtleGraphic_ structure. Definition at line 267 of file turtlegraphic.c.

void deleteTurtleGraphicCPP (  TurtleGraphicCPP_ *  tg  )

Function is called when working with C++ and calling the function deleteTurtleGraphic. Parameters: tg  - Pointer to a TurtleGraphicCPP_ structure. Definition at line 257 of file turtlegraphic.c.

jfloat getTurtleX (  TurtleGraphic *  tg  )

Gets X-Pos of the "turtle". Parameters: tg  - Pointer to the TurtleGraphic. Returns: the x-coordinate of the "turtle". See also: getTurtleY(TurtleGraphic* tg) Definition at line 132 of file turtlegraphic.c.

jfloat getTurtleY (  TurtleGraphic *  tg  )

Get Y-Pos of the "turtle". Parameters: tg  - Pointer to the TurtleGraphic. Returns: the y-coordinate of the "turtle". See also: getTurtleX(TurtleGraphic* tg) Definition at line 145 of file turtlegraphic.c.

void initTurtleGraphic_ (  TurtleGraphic_ *  tg  )

Initializes the TurtleGraphic_ structure by setting the function pointers. Parameters: tg  - Pointer to a TurtleGraphic_ structure. Definition at line 173 of file turtlegraphic.c.

void moveTurtleTo (  TurtleGraphic *  tg, jfloat  x, jfloat  y )

Moves the "turtle" to a position. Parameters: tg  - Pointer to the TurtleGraphic. x  - The x-coordinate to move to. y  - The y-coordinate to move to. See also: forward(TurtleGraphic* tg, jfloat l) backward(TurtleGraphic* tg, jfloat l) Definition at line 109 of file turtlegraphic.c.

void printTurtleText (  TurtleGraphic *  tg, const char *  text )

Prints the Text on Screen at the current position of the "turtle". Parameters: tg  - Pointer to the TurtleGraphic. text  - The text to draw. Definition at line 155 of file turtlegraphic.c.

void setTurtleAngle (  TurtleGraphic *  tg, jfloat  angle )

Sets the angle of the "turtle" moves to. Parameters: tg  - Pointer to the TurtleGraphic. angle  - The angel in degrees. See also: turtleright(TurtleGraphic* tg, jfloat angle) turtleleft(TurtleGraphic* tg, jfloat angle) Definition at line 83 of file turtlegraphic.c.

void setTurtleColor (  TurtleGraphic *  tg, Color  c )

Sets the color with which the "turtle" draws. Parameters: tg  - Pointer to the TurtleGraphic. c  - The new Color. Definition at line 93 of file turtlegraphic.c.

void setTurtleDraw (  TurtleGraphic *  tg, jboolean  draw )

Sets if the "turtle" draws or not. Parameters: tg  - Pointer to the TurtleGraphic. draw  - If JNI_TRUE the "turtle" draws when moving, if JNI_FALSE the "turtle" does not draw. Definition at line 119 of file turtlegraphic.c.

void turtlebackward (  TurtleGraphic *  tg, jfloat  l )

Moves the "turtle" backward. Parameters: tg  - Pointer to the TurtleGraphic. l  - The length to move. See also: turtleforward(TurtleGraphic* tg, jfloat l) moveTurtleTo(TurtleGraphic* tg, jfloat x, jfloat y) Definition at line 70 of file turtlegraphic.c.

void turtleforward (  TurtleGraphic *  tg, jfloat  l )

Moves the "turtle" forward. Parameters: tg  - Pointer to the TurtleGraphic. l  - The length to move. See also: turtlebackward(TurtleGraphic* tg, jfloat l) moveTurtleTo(TurtleGraphic* tg, jfloat x, jfloat y) Definition at line 57 of file turtlegraphic.c.

void turtleleft (  TurtleGraphic *  tg, jfloat  angle )

Turns the "turtle" left. Parameters: tg  - Pointer to the TurtleGraphic. angle  - The angel in degrees to turn. See also: turtleright(TurtleGraphic* tg, jfloat angle) setTurtleAngle(TurtleGraphic* tg, jfloat angle) Definition at line 44 of file turtlegraphic.c.

void turtleright (  TurtleGraphic *  tg, jfloat  angle )

Turns the "turtle" right. Parameters: tg  - Pointer to the TurtleGraphic. angle  - The angel in degrees to turn. See also: turtleleft(TurtleGraphic* tg, jfloat angle) setTurtleAngle(TurtleGraphic* tg, jfloat angle) Definition at line 31 of file turtlegraphic.c.

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