June 2005
Beginner to intermediate
336 pages
6h 29m
English
Content preview from Java™ After Hours: 10 Projects You'll Never Do at WorkBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Drawing Freehand
If the user has selected the Draw menu's Draw freehand item, he can use the mouse to draw freehand. As you'll recall, the successive locations of the mouse are stored in an array named dots if the user is drawing freehand, so all that's necessary is to connect those dots.
If the user wants a drop shadow, you should draw that first, then reproduce what the user has drawn with the mouse. Here's what it looks like in code:
if(draw){ Line2D.Double drawLine; if(shadow){ paint = gImage.getPaint(); composite = gImage.getComposite(); gImage.setPaint(Color.black); gImage.setComposite(AlphaComposite.getInstance (AlphaComposite.SRC_OVER, 0.3f)); for(int loop_index = 0; loop_index < dots - 1; loop_index++){ if(dragging){ drawLine = new ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.