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Much fancier region screenshot UI.
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@NathanSweet
NathanSweet committed Apr 6, 2016
1 parent a9ddf25 commit 424eedc
Showing 1 changed file with 149 additions and 17 deletions.
166 changes: 149 additions & 17 deletions src/com/esotericsoftware/clippy/Screenshot.java
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
import static com.esotericsoftware.clippy.Win.User32.*;
import static com.esotericsoftware.minlog.Log.*;

import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Frame;
Expand All @@ -14,13 +15,19 @@
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.Stroke;
import java.awt.Toolkit;
import java.awt.Transparency;
import java.awt.event.InputEvent;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionAdapter;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.geom.Ellipse2D;
import java.awt.geom.Ellipse2D.Float;
import java.awt.image.BufferedImage;
import java.awt.image.VolatileImage;
import java.io.File;
Expand All @@ -40,8 +47,12 @@
import retrofit.client.Response;

public class Screenshot {
static final int mag = 8, magOffsetX = 8, magOffsetY = 8, magW = 280, magH = 280;
static final int crosshair = 16;

final Clippy clippy = Clippy.instance;
private Robot robot;
Robot robot;
final Stroke dashed = new BasicStroke(1, BasicStroke.CAP_BUTT, BasicStroke.JOIN_BEVEL, 0, new float[] {4}, 0);

public Screenshot () {
try {
Expand Down Expand Up @@ -115,29 +126,78 @@ public void region () {
image.getGraphics().drawImage(robotImage, 0, 0, null);

JFrame frame = new JFrame() {
int x, y, x1, y1;
boolean drag;
int lastX, lastY, x, y, x1, y1;
int magX = magOffsetX, magY = magOffsetY;
boolean drag, lock, lockX, robotEvent;

{
addMouseMotionListener(new MouseMotionAdapter() {
public void mouseDragged (MouseEvent e) {
x = e.getX();
y = e.getY();
if (!drag) {
drag = true;
x1 = x;
y1 = y;
}
repaint();
mouseMoved(e);
}

public void mouseMoved (MouseEvent e) {
x = e.getX();
y = e.getY();
int ex = e.getX(), ey = e.getY();
if (robotEvent) {
robotEvent = false;
lastX = ex;
lastY = ey;
return;
}

int diffX = ex - lastX, diffY = ey - lastY;

// Shift to move slow.
if ((e.getModifiers() & InputEvent.SHIFT_MASK) != 0) {
diffX /= mag;
diffY /= mag;
}
if (diffX != 0) lastX = ex;
if (diffY != 0) lastY = ey;

// Ctrl to lock axis.
if ((e.getModifiers() & InputEvent.CTRL_MASK) != 0) {
if (!lock) {
lock = true;
lockX = diffY != 0;
}
if (lockX)
diffX = 0;
else
diffY = 0;
} else {
lock = false;
}

x += diffX;
y += diffY;
if (x < 0)
x = 0;
else if (x > width) //
x = width;
if (y < 0)
y = 0;
else if (y > height) //
y = height;

repaint();

// Prevent mouse from getting stuck against screen edge.
if (ex < 10 || width - ex < 10 || ey < 10 || height - ey < 10) {
robot.mouseMove(width / 2, height / 2);
robotEvent = true;
}
}
});
addMouseListener(new MouseAdapter() {
public void mousePressed (MouseEvent e) {
lastX = e.getX();
lastY = e.getY();
drag = true;
x1 = x;
y1 = y;
}

public void mouseReleased (MouseEvent e) {
dispose();
if (x == x1 || y == y1) return;
Expand All @@ -160,21 +220,93 @@ public void mouseReleased (MouseEvent e) {
});
addKeyListener(new KeyAdapter() {
public void keyPressed (KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_SHIFT) return;
if (e.getKeyCode() == KeyEvent.VK_CONTROL) return;
dispose();
}

public void keyReleased (KeyEvent e) {
if (e.getKeyCode() == KeyEvent.VK_CONTROL) lock = false;
};
});
addWindowListener(new WindowAdapter() {
public void windowClosed (WindowEvent e) {
robot.mouseMove(x, y);
}
});
}

public void paint (Graphics g) {
public void paint (Graphics graphics) {
Graphics2D g = (Graphics2D)graphics;

if (x + magX < 0)
magX = magOffsetX;
else if (x + magX + magW > width) //
magX = -(magW + magOffsetX);
if (y + magY < 0)
magY = magOffsetY;
else if (y + magY + magH > height) //
magY = -(magH + magOffsetY);

// Draw whole screen image.
g.drawImage(image, 0, 0, width, height, null);
if (drag) {
g.setColor(new Color(0, 0, 0, 0.3f));
g.fillRect(0, 0, width, height);
g.drawImage(image, x1, y1, x, y, x1, y1, x, y, null);
}
g.setColor(Color.green);
g.drawLine(0, y, width, y);
g.drawLine(x, 0, x, height);

// Magnified image.
Float circle = new Ellipse2D.Float(x + magX, y + magY, magW, magH);
g.setClip(circle);
g.drawImage(image, //
x + magX + mag, y + magY + mag, x + magX + magW, y + magY + magH, //
x - magW / (mag * 2), y - magH / (mag * 2), x + magW / (mag * 2), y + magW / (mag * 2), null);
g.setClip(null);

// Magnified crosshair.
int space = mag * 2;
int cx = x + magX + magW / 2 - mag / 2;
int cy = y + magY + space;
int ch = magH / 2 - mag * 3 / 2 - space;
g.setColor(Color.black);
g.fillRect(cx, cy, mag, ch);
g.fillRect(cx, cy + ch + mag * 3, mag, ch);
g.setColor(Color.white);
cx--;
cy--;
g.drawRect(cx, cy, mag + 1, ch + 1);
g.drawRect(cx, cy + ch + mag * 3, mag + 1, ch + 1);
cx = x + magX + space;
cy = y + magY + magH / 2 - mag / 2;
int cw = magW / 2 - mag * 3 / 2 - space;
g.setColor(Color.black);
g.fillRect(cx, cy, cw, mag);
g.fillRect(cx + cw + mag * 3, cy, cw, mag);
g.setColor(Color.white);
cx--;
cy--;
g.drawRect(cx, cy, cw + 1, mag + 1);
g.drawRect(cx + cw + mag * 3, cy, cw + 1, mag + 1);

// Dotted guide lines.
g.setColor(Color.black);
g.drawLine(x - crosshair - 1, y, 0, y);
g.drawLine(x + crosshair + 1, y, width, y);
g.drawLine(x, y - crosshair - 1, x, 0);
g.drawLine(x, y + crosshair + 1, x, height);
g.setColor(Color.white);
Stroke solid = g.getStroke();
g.setStroke(dashed);
g.drawLine(x - crosshair, y, 0, y);
g.drawLine(x + crosshair, y, width, y);
g.drawLine(x, y - crosshair, x, 0);
g.drawLine(x, y + crosshair, x, height);
g.setXORMode(Color.white);
g.setColor(Color.black);
g.fillRect(x - 1, y - crosshair, 3, crosshair * 2 + 1);
g.fillRect(x - crosshair, y - 1, crosshair - 1, 3);
g.fillRect(x + 2, y - 1, crosshair - 1, 3);
}
};
frame.setType(Frame.Type.UTILITY);
Expand Down

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