/*
GNU LESSER GENERAL PUBLIC LICENSE
Copyright (C) 2006 The Lobo Project
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Contact info: lobochief@users.sourceforge.net
*/
import java.awt.*;
public class GUITasks {
public static Frame getTopFrame() {
Frame[] frames = Frame.getFrames();
for(int i = 0; i < frames.length; i++) {
if(frames[i].getFocusOwner() != null) {
return frames[i];
}
}
if(frames.length > 0) {
return frames[0];
}
return null;
}
public static void drawDashed(Graphics g, int x1, int y1, int x2, int y2, int dashSize, int gapSize) {
if(x2 < x1) {
int temp = x1;
x1 = x2;
x2 = temp;
}
if(y2 < y1) {
int temp = y1;
y1 = y2;
y2 = temp;
}
int totalDash = dashSize + gapSize;
if(y1 == y2) {
int virtualStartX = (x1 / totalDash) * totalDash;
for(int x = virtualStartX; x < x2; x += totalDash) {
int topX = x + dashSize;
if(topX > x2) {
topX = x2;
}
int firstX = x;
if(firstX < x1) {
firstX = x1;
}
if(firstX < topX) {
g.drawLine(firstX, y1, topX, y1);
}
}
}
else if(x1 == x2) {
int virtualStartY = (y1 / totalDash) * totalDash;
for(int y = virtualStartY; y < y2; y += totalDash) {
int topY = y + dashSize;
if(topY > y2) {
topY = y2;
}
int firstY = y;
if(firstY < y1) {
firstY = y1;
}
if(firstY < topY) {
g.drawLine(x1, firstY, x1, topY);
}
}
}
else {
// Not supported
g.drawLine(x1, y1, x2, y2);
}
}
}