Bison-Flex-C-RasterImagePainter

Program that paints Raster Images using Bison, Flex and C
Must be used on Linux with Bison and Flex installed.

Objective

Create Raster Images and paint them with shapes using commands.

Commands

Command	Description	Usage
VAR	Creates a new variable Creates a new variable with a random value up to the indicated maximum	VAR = value; VAR = RAND INT;
NEW	Creates a new image with default color or given color	NEW dimension; NEW dimension color;
SAVE	Saves the image	SAVE "FILENAME";
LOAD	Loads the image into memory	LOAD "FILENAME";
COLOR	Changes the default color	COLOR color;
REPEAT	Repeats commands a given number of times (the VAR must be a non existing one)	REPEAT VAR IN [value..value] DO (any commands) END REPEAT';'
POINT	Paints a point at a coordinate with default color or given color	POINT point; POINT point color;
LINE	Paints a line starting and ending at different given coordinates with default color or given color	LINE point point; LINE point point colot;
RECT	Paints a rectangle starting and ending at different given coordinates or starting at given coordinate with given size with default color or given color	RECT point pointOrDimension; RECT point pointOrDimension color;
RECTFILL	Paints a filled rectangle starting and ending at different given coordinates or starting at given coordinate with given size with default color or given color	RECTFILL point pointOrDimension; RECTFILL point pointOrDimension color;
CIRC	Paints a circle with center at given coordinate and given radius value with default color or given color	CIRC point value; CIRC point value color;
POLYLINE	Paints a polyline with default color or given color Line between unlimited quantity of point's (must be at least 2)	POLYLINE polypoints; POLYLINE polypoints color;

Notation

Expression	Description	Usage
value	Value to be used in the execution of the command Can be an integer or a variable	INT VAR
dimension	Dimension to be used in the execution of the command	value x value
color	Color to be used in the execution of the command	value : value : value
FILENAME	Name of the final image (must type ".pnm")	example.pnm
point	Point to be used in the execution of the command x and y coordinates	value , value
pointOrDimension	Point or Dimension to be used in the execution of the command	dimension point
polypoints	Point's to be used in the execution of the command	point point polypoints

Execution

1. Run make
2. Create a text file with the commands inside
3. Run ./logo < filenameYouJustCreated

Example of execution

NEW 100x100;
COLOR 0:0:0;
POLYLINE 10,90 10,10 50,50 90,10 90,90;
SAVE "polyline.pnm";