my Papplet size will fix according to the image

but when i load image larger than my screen size..

 my image just not load entirely

My screen size is 800 x 600

Image size that i want to load is 1200x768

then i load my image using

1. image(myImage, 0, 0);

its only show the pixel between 0x0 pixel to 800x600

pixel position more than 800x600 is gone

how to load image larger than my screen size?