public JSPrintPreview2(boolean devMode) {
// this.devMode = devMode;
elements = new Vector<Object[]>();
setBackground(new Color(175, 175, 175));
setSize(600, 900);
setDefaultCloseOperation(DISPOSE_ON_CLOSE);
buttonBar = new JPanel();
buttonBar.setLayout(new GridLayout(1, 5));
if (devMode) {
coordinateField = new JTextField("- - -, - - -");
coordinateField.setHorizontalAlignment(CENTER);
coordinateField.setEditable(false);
coordinateField.setPreferredSize(new Dimension(120, 30));
buttonBar.add(coordinateField);
}
zoomPanel = new JPanel(new GridLayout(1, 2));
zoomLabel = new JLabel("Zoom: ", RIGHT);
zoomPanel.add(zoomLabel);
String[] zoomLevels = {"25%", "50%", "75%", "100%"};
zoomBox = new JComboBox(zoomLevels);
zoomBox.addItemListener(this);
zoomPanel.add(zoomBox);
buttonBar.add(zoomPanel);
printButton = new JButton("Print");
printButton.addActionListener(this);
buttonBar.add(printButton);
paperPanel = new PaperPanel();
paperPanel.setPreferredSize(new Dimension(600, 725));
paperPanel.addMouseListener(paperPanel);
paperPanel.addMouseMotionListener(paperPanel);
scrollPane = new JScrollPane(paperPanel);
scrollPane.getVerticalScrollBar().setUnitIncrement(20);
setLayout(new BorderLayout());
add("North", buttonBar);
add("Center", scrollPane);
currentFont = new Font("Arial", Font.BOLD, 14);
styleFont = currentFont;
}
public void itemStateChanged(ItemEvent event) {
if (event.getSource() == zoomBox) {
switch (zoomBox.getSelectedIndex()) {
case 0:
this.scale = 1.0D;
break;
case 1:
this.scale = 1.25D;
break;
case 2:
this.scale = 1.5D;
break;
case 3:
this.scale = 1.75D;
break;
}
repaint();
render(paperPanel.getGraphics(), -1, scale);
paperPanel.setPreferredSize(
new Dimension((int) (600 * scale), (int) (numberOfPages * scale * (pageHeight + 25))));
}
}
private void render(Graphics g, int drawingPage, double scale) {
Graphics2D g2 = (Graphics2D) g;
g2.scale(scale, scale);
int pageIndex;
paperPanel.setPreferredSize(new Dimension(600, numberOfPages * (pageHeight + 25)));
for (int page = 0; page < numberOfPages; page++) {
g2.setColor(Color.white);
g2.fillRect(0, page * (pageHeight + 25), pageWidth, pageHeight);
}
g2.setColor(Color.black);
for (Object[] task : elements) {
switch ((Integer) task[0]) {
case DRAW_STRING:
FontMetrics metrics = getFontMetrics(g2.getFont());
String string = task[1].toString();
int x = (Integer) task[2];
int y = (Integer) task[3];
pageIndex = (Integer) task[4];
if (drawingPage == -1) y += (pageIndex * (pageHeight + 25));
int width = metrics.stringWidth(string);
if (drawingPage == -1 || drawingPage == pageIndex) {
if (currentAlignment == LEFT) {
g2.drawString(string, x, y);
if (underline) {
g2.drawLine(x, y + 3, x + width, y + 3);
}
} else if (currentAlignment == RIGHT) {
g2.drawString(string, x - width, y);
if (underline) {
g2.drawLine(x, y + 3, x - width, y + 3);
}
} else if (currentAlignment == CENTER) {
g2.drawString(string, x - (width / 2), y);
if (underline) {
g2.drawLine(x - (width / 2), y + 3, x + (width / 2), y + 3);
}
}
}
break;
case DRAW_LINE:
int x1 = (Integer) task[1],
y1 = (Integer) task[2],
x2 = (Integer) task[3],
y2 = (Integer) task[4];
pageIndex = (Integer) task[5];
if (drawingPage == -1)
g2.drawLine(
x1, (pageIndex * (pageHeight + 25)) + y1, x2, (pageIndex * (pageHeight + 25)) + y2);
else if (drawingPage == pageIndex) g2.drawLine(x1, y1, x2, y2);
break;
case DRAW_RECT:
int rectX = (Integer) task[1],
rectY = (Integer) task[2],
rectWidth = (Integer) task[3],
rectHeight = (Integer) task[4];
pageIndex = (Integer) task[5];
if (drawingPage == -1)
g2.drawRect(rectX, (pageIndex * (pageHeight + 25)) + rectY, rectWidth, rectHeight);
else if (drawingPage == pageIndex) g2.drawRect(rectX, rectY, rectWidth, rectHeight);
break;
case DRAW_OVAL:
int ovalX = (Integer) task[1],
ovalY = (Integer) task[3],
ovalWidth = (Integer) task[3],
ovalHeight = (Integer) task[4];
pageIndex = (Integer) task[5];
if (drawingPage == -1)
g2.drawOval(ovalX, (pageIndex * (pageHeight + 25)) + ovalY, ovalWidth, ovalHeight);
else if (drawingPage == pageIndex) g2.drawOval(ovalX, ovalY, ovalWidth, ovalHeight);
break;
case DRAW_IMAGE:
Image image = (Image) task[1];
int imageX = (Integer) task[2],
imageY = (Integer) task[3],
imageWidth = (Integer) task[4],
imageHeight = (Integer) task[5];
pageIndex = (Integer) task[6];
if (drawingPage == -1)
g2.drawImage(
image,
imageX,
(pageIndex * (pageHeight + 25)) + imageY,
imageWidth,
imageHeight,
this);
else if (drawingPage == pageIndex)
g2.drawImage(image, imageX, imageY, imageWidth, imageHeight, this);
break;
case DRAW_POLYGON:
int[] xPoints = (int[]) task[1], yPoints = (int[]) task[2];
int numberOfPoints = (Integer) task[3];
pageIndex = (Integer) task[4];
if (drawingPage == -1) {
for (int i = 0; i < yPoints.length; i++) {
yPoints[i] += (pageIndex * (pageHeight + 25));
}
g2.drawPolygon(xPoints, yPoints, numberOfPoints);
} else if (drawingPage == pageIndex) g2.drawPolygon(xPoints, yPoints, numberOfPoints);
break;
case DRAW_ARC:
int arcX = (Integer) task[1],
arcY = (Integer) task[2],
arcWidth = (Integer) task[3],
arcHeight = (Integer) task[4],
startAngle = (Integer) task[5],
arcAngle = (Integer) task[6];
pageIndex = (Integer) task[7];
if (drawingPage == -1)
g2.drawArc(
arcX,
(pageIndex * (pageHeight + 25)) + arcY,
arcWidth,
arcHeight,
startAngle,
arcAngle);
else if (drawingPage == pageIndex)
g2.drawArc(arcX, arcY, arcWidth, arcHeight, startAngle, arcAngle);
break;
case FILL_RECT:
int fillRectX = (Integer) task[1],
fillRectY = (Integer) task[2],
fillRectWidth = (Integer) task[3],
fillRectHeight = (Integer) task[4];
pageIndex = (Integer) task[5];
if (drawingPage == -1)
g2.fillRect(
fillRectX,
(pageIndex * (pageHeight + 25)) + fillRectY,
fillRectWidth,
fillRectHeight);
else if (drawingPage == pageIndex)
g2.fillRect(fillRectX, fillRectY, fillRectWidth, fillRectHeight);
break;
case FILL_OVAL:
int fillOvalX = (Integer) task[1],
fillOvalY = (Integer) task[2],
fillOvalWidth = (Integer) task[3],
fillOvalHeight = (Integer) task[4];
pageIndex = (Integer) task[5];
if (drawingPage == -1)
g2.fillOval(
fillOvalX,
(pageIndex * (pageHeight + 25)) + fillOvalY,
fillOvalWidth,
fillOvalHeight);
else if (drawingPage == pageIndex)
g2.fillOval(fillOvalX, fillOvalY, fillOvalWidth, fillOvalHeight);
break;
case FILL_POLYGON:
int[] fillXPoints = (int[]) task[1], fillYPoints = (int[]) task[2];
int fillNumberOfPoints = (Integer) task[3];
pageIndex = (Integer) task[4];
if (drawingPage == -1) {
for (int i = 0; i < fillYPoints.length; i++) {
fillYPoints[i] += (pageIndex * (pageHeight + 25));
}
g2.fillPolygon(fillXPoints, fillYPoints, fillNumberOfPoints);
} else if (drawingPage == pageIndex)
g2.fillPolygon(fillXPoints, fillYPoints, fillNumberOfPoints);
break;
case FILL_ARC:
int fillArcX = (Integer) task[1],
fillArcY = (Integer) task[2],
fillArcWidth = (Integer) task[3],
fillArcHeight = (Integer) task[4],
fillStartAngle = (Integer) task[5],
fillArcAngle = (Integer) task[6];
pageIndex = (Integer) task[7];
if (drawingPage == -1)
g2.fillArc(
fillArcX,
(pageIndex * (pageHeight + 25)) + fillArcY,
fillArcWidth,
fillArcHeight,
fillStartAngle,
fillArcAngle);
else if (drawingPage == pageIndex)
g2.fillArc(
fillArcX, fillArcY, fillArcWidth, fillArcHeight, fillStartAngle, fillArcAngle);
break;
case SET_COLOR:
g2.setColor((Color) task[1]);
break;
case SET_FONT:
g2.setFont((Font) task[1]);
break;
case SET_STROKE:
g2.setStroke((Stroke) task[1]);
break;
case SET_PAINT:
g2.setPaint((Paint) task[1]);
break;
case SET_ALIGNMENT:
currentAlignment = (Integer) task[1];
break;
case SET_STYLE:
int style = (Integer) task[1];
// currentStyle = style;
styleFont = currentFont.deriveFont(Font.PLAIN);
if (style == BOLD) styleFont = styleFont.deriveFont(Font.BOLD);
if (style == ITALIC) styleFont = styleFont.deriveFont(Font.ITALIC);
underline = (style == UNDERLINE);
if (style == BOLD_UNDERLINE) {
styleFont = styleFont.deriveFont(Font.BOLD);
underline = true;
}
g2.setFont(styleFont);
break;
}
}
}