/*******************************************************************
    Function prototypes for CS480/CS680 Line Drawing Assignment (P1)
********************************************************************
    Author: Stan Sclaroff 
********************************************************************/

/* triangle.c */
void drawTriangle(Vertex tri[3],int renderFlags);

/* line.c */
void drawLine(Vertex v0, Vertex v1);

/* callbacks.c */
void init(int w, int h);
void display(void);
void reshape(int w, int h);
void lineTestPattern1(void);
void lineTestPattern2(void);
void lineTestPattern3(void);
void triTestPattern1(int);
void triTestPattern2(int flags);

void mouseButton(int button, int state, int x, int y);
void keyboard(unsigned char key, int x, int y);

/* buffer.c */
Color getPixel(int x, int y);
void setPixel(int x, int y, Color c);
void clearPixelBuffer(void);
void initPixelBuffer(int w, int h);
Color *getPixelBufferAddress(void);
int getPixelBufferWidth(void);
int getPixelBufferHeight(void);
Color getColor(void);
void setColor(Color);
int sameColor(Color c1, Color c2);

/* fill.c */
void floodFill(int x, int y, Color fillColor, Color seedColor);