/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.isis.viewer.dnd.example;
import org.apache.isis.extensions.dndviewer.ColorsAndFonts;
import org.apache.isis.viewer.dnd.Canvas;
import org.apache.isis.viewer.dnd.Click;
import org.apache.isis.viewer.dnd.Drag;
import org.apache.isis.viewer.dnd.DragStart;
import org.apache.isis.viewer.dnd.Toolkit;
import org.apache.isis.viewer.dnd.drawing.Color;
import org.apache.isis.viewer.dnd.drawing.Location;
import org.apache.isis.viewer.dnd.view.simple.AbstractView;
class TestCanvasView extends AbstractView {
Color white = Toolkit.getColor(0xffffff);
Color black = Toolkit.getColor(0);
Color gray = Toolkit.getColor(0xaaaaaa);
Color lightGray = Toolkit.getColor(0xdddddd);
Color red = Toolkit.getColor(0xff0000);
Color green = Toolkit.getColor(0x00ff00);
Color blue = Toolkit.getColor(0x0000ff);
Color yellow = Toolkit.getColor(0xff00ff);
public void draw(final Canvas canvas) {
canvas.clearBackground(this, white);
int canvasWidth = getSize().getWidth();
int canvasHeight = getSize().getHeight();
canvas.drawRectangle(0, 0, canvasWidth, canvasHeight, black);
int x = 10;
int y = 10;
int width = 50;
int height = 90;
// outline shapes
canvas.drawRectangle(x, y, width, height, gray);
canvas.drawRoundedRectangle(x, y, width, height, 20, 20, black);
canvas.drawOval(x, y, width, height, green);
canvas.drawLine(x, y, x + width - 1, y + height - 1, red);
canvas.drawLine(x, y + height - 1, x + width - 1, y, red);
// subcanvas
x = 80;
canvas.drawRectangle(x, y, width, height, gray);
Canvas subcanvas = canvas.createSubcanvas(x + 1, y + 1, width - 1, height - 1);
subcanvas.drawRectangle(0, 0, width - 2, height - 2, blue);
x = 150;
canvas.drawRectangle(x, y, width, height, gray);
subcanvas = canvas.createSubcanvas(x + 1, y + 1, width - 1, height - 1);
subcanvas.offset(-100, -200);
subcanvas.drawRectangle(100, 200, width - 2, height - 2, red);
subcanvas.drawRectangle(0, 0, 120, 220, green);
// solid shapes
x = 10;
y = 105;
canvas.drawRectangle(x - 1, y - 1, width + 2, height + 2, gray);
canvas.drawSolidRectangle(x, y, width, height, black);
canvas.drawSolidOval(x, y, width, height, green);
canvas.drawLine(x, y, x + width - 1, y + height - 1, red);
canvas.drawLine(x, y + height - 1, x + width - 1, y, red);
x = 80;
canvas.drawSolidRectangle(x, y, width, height, black);
subcanvas = canvas.createSubcanvas(x + 1, y + 1, width - 1, height - 1);
subcanvas.drawSolidRectangle(0, 0, width - 2, height - 2, blue);
x = 150;
canvas.drawRectangle(x, y, width, width, black);
canvas.drawOval(x, y, width, width, green);
// 3D rectangles
canvas.drawRectangle(x, y + 10 + width, 20, 20, black);
canvas.draw3DRectangle(x, y + 10 + width, 20, 20, gray, true);
canvas.drawRectangle(x + 30, y + 10 + width, 20, 20, black);
canvas.draw3DRectangle(x + 30, y + 10 + width, 20, 20, gray, true);
x = 10;
y = 240;
int ascent = Toolkit.getText(ColorsAndFonts.TEXT_NORMAL).getAscent();
int descent = Toolkit.getText(ColorsAndFonts.TEXT_NORMAL).getDescent();
int midpoint = Toolkit.getText(ColorsAndFonts.TEXT_NORMAL).getMidPoint();
int lineHeight = Toolkit.getText(ColorsAndFonts.TEXT_NORMAL).getLineHeight();
// canvas.drawRectangle(left, top, 200, line, gray);
int baseline = y + ascent;
drawText(canvas, x, lineHeight, baseline, ascent, descent, midpoint);
baseline += lineHeight;
drawText(canvas, x, lineHeight, baseline, ascent, descent, midpoint);
baseline += lineHeight;
drawText(canvas, x, lineHeight, baseline, ascent, descent, midpoint);
/*
* int width = getSize().getWidth(); int height = getSize().getHeight(); canvas.drawRectangle(0,0,
* width - 1, height - 1, gray); canvas.drawLine(0, 0, width - 1, height - 1, red);
* canvas.drawLine(width - 1, 0, 0, height - 1, red);
*/
}
private void drawText(
final Canvas canvas,
final int x,
final int lineHeight,
final int baseline,
final int ascent,
final int descent,
final int midpoint) {
canvas.drawLine(x, baseline, x + 200 - 1, baseline, gray); // baseline
// canvas.drawLine(x, baseline - (ascent - descent) / 2, x + 200 - 1, baseline - (ascent - descent) /
// 2, red); // mid-point
canvas.drawLine(x, baseline - midpoint, x + 200 - 1, baseline - midpoint, red); // mid-point
canvas.drawLine(x, baseline - ascent, x + 200 - 1, baseline - ascent, lightGray); // ascent
// canvas.drawLine(x, baseline - ascent + descent, x + 200 - 1, baseline - ascent + descent,
// lightGray); // ascent
canvas.drawLine(x, baseline + descent, x + 200 - 1, baseline + descent, yellow); // descent
canvas.drawText("12345 abcdefghijk ABCDEFG", x, baseline, black, Toolkit.getText(ColorsAndFonts.TEXT_NORMAL));
}
public void firstClick(final Click click) {
debug("first click " + click);
super.firstClick(click);
}
public void secondClick(final Click click) {
debug("second click " + click);
super.secondClick(click);
}
public void mouseMoved(final Location location) {
debug("mouse moved " + location);
super.mouseMoved(location);
}
private void debug(final String str) {
getViewManager().getSpy().addAction(str);
}
public Drag dragStart(final DragStart drag) {
debug("drag start " + drag);
return super.dragStart(drag);
}
}