import Graphics;
import Graphics2D;
import GUI;

// Create a graphics resource and renderer
int graphicsID = newGraphics( );
int rendererID = newGraphics2DRenderer( 800, 600, graphicsID );

// Create the display window
int windowID = newWindow( 0, 0, 800, 600, " Hello 2DCG ! " );
int labelID = newImageLabel( 0, 0, 800, 600, graphicsID );
mountComponent( labelID, windowID );

// Set background to white and clear
setGraphics2DColor( rendererID, 255, 255, 255, 255 );
clearGraphics2D( rendererID );


// =========================
// Drawing section starts here
// =========================


// Draw a red line from (0, 0) to (100, 100)
setDrawColor( rendererID, 255, 0, 0, 255 );
drawLine( rendererID, 0, 0, 100, 100 );


// Draw a filled blue rectangle at (100, 100), size 500 x 300
setDrawColor( rendererID, 0, 0, 255, 255 );
drawRectangle( rendererID, 100, 100, 500, 300, true );


// Draw a filled magenta ellipse at (100, 300), size 300 x 200
setDrawColor( rendererID, 255, 0, 255, 255 );
drawEllipse( rendererID, 100, 300, 300, 200, true );


// Prepare vertex arrays for polygon and polyline
int x[ 3 ];
x[ 0 ] = 100;
x[ 1 ] = 300;
x[ 2 ] = 300;

int y[ 3 ];
y[ 0 ] = 100;
y[ 1 ] = 100;
y[ 2 ] = 300;

// Draw a filled yellow polygon using the vertex arrays
setDrawColor( rendererID, 255, 255, 0, 255 );
drawPolygon( rendererID, x, y, true );


// Draw a red polyline using the same vertex arrays
setDrawColor( rendererID, 255, 0, 0, 255 );
drawPolyline( rendererID, x, y );


// Draw black text at (300, 50)
setDrawFontSize( rendererID, 30 ) ;  // Set font size to 30pt
string text = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
setDrawColor( rendererID, 0, 0, 0, 255 );
drawText( rendererID, 300, 50, 250, 35, text );


// Load and draw an image from "Test.png" at (300, 100)
int testGraphics = newGraphics( "Test.png" );
drawImage( rendererID, 300, 100, 300, 300, testGraphics );


// =========================
// Drawing section ends here
// =========================


// Draw the GUI
paintComponent( labelID );
paintComponent( windowID );