org.jpedal.examples.viewer.gui.javafx.JavaFXMousePageTurn Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of OpenViewerFX Show documentation
Show all versions of OpenViewerFX Show documentation
An Open Source JavaFX PDF Viewer
/*
* ===========================================
* Java Pdf Extraction Decoding Access Library
* ===========================================
*
* Project Info: http://www.idrsolutions.com
* Help section for developers at http://www.idrsolutions.com/support/
*
* (C) Copyright 1997-2016 IDRsolutions and Contributors.
*
* This file is part of JPedal/JPDF2HTML5
*
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* ---------------
* JavaFXMousePageTurn.java
* ---------------
*/
package org.jpedal.examples.viewer.gui.javafx;
import java.util.Map;
import java.util.Timer;
import java.util.TimerTask;
import javafx.application.Platform;
import javafx.scene.Cursor;
import javafx.scene.control.ScrollPane;
import javafx.scene.effect.Light.Point;
import javafx.scene.input.MouseButton;
import javafx.scene.input.MouseEvent;
import javafx.scene.input.ScrollEvent;
import org.jpedal.PdfDecoderFX;
import org.jpedal.display.Display;
import org.jpedal.display.DisplayOffsets;
import org.jpedal.examples.viewer.Commands;
import org.jpedal.examples.viewer.Values;
import org.jpedal.examples.viewer.commands.javafx.JavaFXPageNavigator;
import org.jpedal.examples.viewer.gui.GUI;
import org.jpedal.examples.viewer.gui.JavaFxGUI;
import org.jpedal.examples.viewer.gui.MouseSelector;
import org.jpedal.external.AnnotationHandler;
import org.jpedal.external.Options;
import org.jpedal.gui.GUIFactory;
import org.jpedal.io.PdfObjectReader;
import org.jpedal.utils.LogWriter;
public class JavaFXMousePageTurn extends MouseSelector implements JavaFXMouseFunctionality {
private final PdfDecoderFX decode_pdf;
private final GUIFactory currentGUI;
private final Values commonValues;
private final Commands currentCommands;
private long lastPress;
/**
* allow turning page to be drawn
*/
private boolean drawingTurnover;
/**
* show turning page when hovering over corner
*/
private boolean previewTurnover;
/**
* middle drag panning values
*/
private double middleDragStartX, middleDragStartY, xVelocity, yVelocity;
private Timer middleDragTimer;
long timeOfLastPageChange;
final DisplayOffsets offsets;
public JavaFXMousePageTurn(final PdfDecoderFX decode_pdf, final GUIFactory currentGUI,
final Values commonValues, final Commands currentCommands) {
this.decode_pdf = decode_pdf;
this.currentGUI = currentGUI;
this.commonValues = commonValues;
this.currentCommands = currentCommands;
offsets=(DisplayOffsets) decode_pdf.getExternalHandler(Options.DisplayOffsets);
}
/**
* checks the link areas on the page and allow user to save file
*
*/
public void checkLinks(final boolean mouseClicked, final PdfObjectReader pdfObjectReader, final double x, final double y) {
//get 'hotspots' for the page
final Map objs = currentGUI.getHotspots();
//look for a match and call code
if (objs != null) {
((AnnotationHandler) decode_pdf.getExternalHandler(Options.UniqueAnnotationHandler)).checkLinks(objs, mouseClicked, pdfObjectReader, (int) x, (int) y, currentGUI, commonValues);
}
}
@Override
public void mouseClicked(final MouseEvent e) {
if (decode_pdf.getDisplayView() == Display.SINGLE_PAGE
&& e.getButton().equals(MouseButton.PRIMARY)
&& decode_pdf.getExternalHandler(Options.UniqueAnnotationHandler) != null) {
final double mouseX = e.getX();
final double mouseY = e.getY();
final int[] pos = updateXY((int)mouseX, (int)mouseY, decode_pdf, commonValues);
checkLinks(true, decode_pdf.getIO(), pos[0], pos[1]);
}
}
@Override
public void mouseEntered(final MouseEvent e) {
//Stub
}
@Override
public void mouseExited(final MouseEvent e) {
//Stub
}
@Override
public void mousePressed(final MouseEvent e) {
//Activate turnover if pressed while preview on
if (previewTurnover && decode_pdf.getPages().getBoolean(Display.BoolValue.TURNOVER_ON) && decode_pdf.getDisplayView() == Display.FACING
&& e.getButton().equals(MouseButton.PRIMARY)) {
drawingTurnover = true;
//set cursor
decode_pdf.setCursor(Cursor.CLOSED_HAND);
lastPress = System.currentTimeMillis();
}
//Start dragging
if (e.getButton().equals(MouseButton.SECONDARY)) {
middleDragStartX = e.getX() - decode_pdf.getLayoutX();
middleDragStartY = e.getY() - decode_pdf.getLayoutY();
decode_pdf.setCursor(Cursor.MOVE);
//set up timer to refresh display
if (middleDragTimer == null) {
middleDragTimer = new Timer();
}
middleDragTimer.schedule(new TimerTask() {
@Override
public void run() {
Platform.runLater(new Runnable() {
@Override
public void run() {
if (xVelocity < -2) {
if (yVelocity < -2) {
decode_pdf.setCursor(Cursor.NW_RESIZE);
} else if (yVelocity > 2) {
decode_pdf.setCursor(Cursor.SW_RESIZE);
} else {
decode_pdf.setCursor(Cursor.E_RESIZE);
}
} else if (xVelocity > 2) {
if (yVelocity < -2) {
decode_pdf.setCursor(Cursor.NE_RESIZE);
} else if (yVelocity > 2) {
decode_pdf.setCursor(Cursor.SE_RESIZE);
} else {
decode_pdf.setCursor(Cursor.E_RESIZE);
}
} else {
if (yVelocity < -2) {
decode_pdf.setCursor(Cursor.N_RESIZE);
} else if (yVelocity > 2) {
decode_pdf.setCursor(Cursor.S_RESIZE);
} else {
decode_pdf.setCursor(Cursor.MOVE);
}
}
}
});
}
}, 100);
//middleDragTimer.start();
}
}
@Override
public void mouseReleased(final MouseEvent e) {
//Stop drawing turnover
if (decode_pdf.getPages().getBoolean(Display.BoolValue.TURNOVER_ON) && decode_pdf.getDisplayView() == Display.FACING) {
drawingTurnover = false;
final boolean dragLeft = offsets.getDragLeft();
final boolean dragTop = offsets.getDragTop();
if (lastPress + 200 > System.currentTimeMillis()) {
if (dragLeft) {
currentCommands.executeCommand(Commands.BACKPAGE, null);
} else {
currentCommands.executeCommand(Commands.FORWARDPAGE, null);
}
previewTurnover = false;
decode_pdf.setCursor(Cursor.DEFAULT);
} else {
//Trigger fall
final Point corner = new Point();
corner.setY(decode_pdf.getInsetH());
if (!dragTop) {
corner.setY(corner.getY() + (decode_pdf.getPdfPageData().getCropBoxHeight(1) * decode_pdf.getScaling()));
}
if (dragLeft) {
corner.setX((decode_pdf.getBoundsInLocal().getWidth() / 2) - (decode_pdf.getPdfPageData().getCropBoxWidth(1) * decode_pdf.getScaling()));
} else {
corner.setX((decode_pdf.getBoundsInLocal().getWidth() / 2) + (decode_pdf.getPdfPageData().getCropBoxWidth(1) * decode_pdf.getScaling()));
}
final Point cursorPoint = new Point();
cursorPoint.setX(e.getX());
cursorPoint.setY(e.getY());
testFall(corner, cursorPoint, dragLeft);
}
}
//stop middle click panning
if (e.getButton().equals(MouseButton.SECONDARY)) {
xVelocity = 0;
yVelocity = 0;
decode_pdf.setCursor(Cursor.DEFAULT);
middleDragTimer.cancel();
}
}
@Override
public void mouseDragged(final MouseEvent e) {
if (e.getButton().equals(MouseButton.PRIMARY)) {
if (decode_pdf.getExternalHandler(Options.UniqueAnnotationHandler) != null) {
final int[] pos = updateXY((int)e.getX(), (int)e.getY(), decode_pdf, commonValues);
checkLinks(true, decode_pdf.getIO(), pos[0], pos[1]);
}
//update mouse coords for turnover
if (decode_pdf.getPages().getBoolean(Display.BoolValue.TURNOVER_ON) && (drawingTurnover || previewTurnover) && decode_pdf.getDisplayView() == Display.FACING) {
decode_pdf.setCursor(Cursor.CLOSED_HAND);
//update coords
if (offsets.getDragLeft()) {
if (offsets.getDragTop()) {
decode_pdf.setUserOffsets((int) e.getX(), (int) e.getY(), org.jpedal.external.OffsetOptions.INTERNAL_DRAG_CURSOR_TOP_LEFT);
} else {
decode_pdf.setUserOffsets((int) e.getX(), (int) e.getY(), org.jpedal.external.OffsetOptions.INTERNAL_DRAG_CURSOR_BOTTOM_LEFT);
}
} else {
if (offsets.getDragTop()) {
decode_pdf.setUserOffsets((int) e.getX(), (int) e.getY(), org.jpedal.external.OffsetOptions.INTERNAL_DRAG_CURSOR_TOP_RIGHT);
} else {
decode_pdf.setUserOffsets((int) e.getX(), (int) e.getY(), org.jpedal.external.OffsetOptions.INTERNAL_DRAG_CURSOR_BOTTOM_RIGHT);
}
}
}
} else if (e.getButton().equals(MouseButton.MIDDLE)) {
//middle drag - update velocity
xVelocity = ((e.getX() - decode_pdf.getLayoutX()) - middleDragStartX) / 4;
yVelocity = ((e.getY() - decode_pdf.getLayoutY()) - middleDragStartY) / 4;
}
}
@Override
public void mouseMoved(final MouseEvent e) {
if (decode_pdf.getDisplayView() == Display.FACING
&& decode_pdf.getPages().getBoolean(Display.BoolValue.TURNOVER_ON)
&& ((JavaFxGUI) decode_pdf.getExternalHandler(Options.GUIContainer)).getPageTurnScalingAppropriate()
&& !decode_pdf.getPdfPageData().hasMultipleSizes()
&& !JavaFXPageNavigator.getPageTurnAnimating()) {
//show preview turnover
//get width and height of page
float pageH = (decode_pdf.getPdfPageData().getCropBoxHeight(1) * decode_pdf.getScaling()) - 1;
float pageW = (decode_pdf.getPdfPageData().getCropBoxWidth(1) * decode_pdf.getScaling()) - 1;
if ((decode_pdf.getPdfPageData().getRotation(1) + currentGUI.getRotation()) % 180 == 90) {
final float temp = pageH;
pageH = pageW + 1;
pageW = temp;
}
final Point corner = new Point();
//right turnover
if (commonValues.getCurrentPage() + 1 < commonValues.getPageCount()) {
corner.setX((decode_pdf.getBoundsInLocal().getWidth() / 2) + pageW);
corner.setY(decode_pdf.getInsetH() + pageH);
final Point cursor = new Point();
cursor.setX(e.getX());
cursor.setY(e.getY());
if (cursor.getX() > corner.getX() - 30 && cursor.getX() <= corner.getX()
&& ((cursor.getY()) > corner.getY() - 30 && cursor.getY() <= corner.getY())
|| (cursor.getY() >= corner.getY() - pageH && cursor.getY() < corner.getY() - pageH + 30)) {
//if close enough display preview turnover
//set cursor
decode_pdf.setCursor(Cursor.OPEN_HAND);
previewTurnover = true;
if (cursor.getY() >= corner.getY() - pageH && cursor.getY() < corner.getY() - pageH + 30) {
corner.setY(corner.getY() - pageH);
decode_pdf.setUserOffsets((int) cursor.getX(), (int) cursor.getY(), org.jpedal.external.OffsetOptions.INTERNAL_DRAG_CURSOR_TOP_RIGHT);
} else {
decode_pdf.setUserOffsets((int) cursor.getX(), (int) cursor.getY(), org.jpedal.external.OffsetOptions.INTERNAL_DRAG_CURSOR_BOTTOM_RIGHT);
}
} else {
if (offsets.getDragTop()) {
corner.setY(corner.getY() - pageH);
}
testFall(corner, cursor, false);
}
}
//left turnover
if (commonValues.getCurrentPage() != 1) {
corner.setX((decode_pdf.getBoundsInLocal().getWidth() / 2) - pageW);
corner.setY(decode_pdf.getInsetH() + pageH);
final Point cursor = new Point();
cursor.setX(e.getX());
cursor.setY(e.getY());
if (cursor.getX() < corner.getX() + 30 && cursor.getX() >= corner.getX()
&& ((cursor.getY() > corner.getY() - 30 && cursor.getY() <= corner.getY())
|| (cursor.getY() >= corner.getY() - pageH && cursor.getY() < corner.getY() - pageH + 30))) {
//if close enough display preview turnover
// System.out.println("drawing left live "+decode_pdf.drawLeft);
//set cursor
decode_pdf.setCursor(Cursor.OPEN_HAND);
previewTurnover = true;
if (cursor.getY() >= corner.getY() - pageH && cursor.getY() < corner.getY() - pageH + 30) {
corner.setX(corner.getY() - pageH);
decode_pdf.setUserOffsets((int) cursor.getX(), (int) cursor.getY(), org.jpedal.external.OffsetOptions.INTERNAL_DRAG_CURSOR_TOP_LEFT);
} else {
decode_pdf.setUserOffsets((int) cursor.getX(), (int) cursor.getY(), org.jpedal.external.OffsetOptions.INTERNAL_DRAG_CURSOR_BOTTOM_LEFT);
}
} else {
if (offsets.getDragTop()) {
corner.setY(corner.getY() - pageH);
}
testFall(corner, cursor, true);
}
}
}
//Update cursor position if over page in single mode
//
// int[] flag = new int[2];
// flag[0] = SwingGUI.CURSOR;
//
// if (decode_pdf.getDisplayView() == Display.SINGLE_PAGE || (SwingMouseSelector.activateMultipageHighlight && decode_pdf.getDisplayView()==Display.CONTINUOUS && decode_pdf.getDisplayView()==Display.CONTINUOUS_FACING)) {
// //get raw w and h
// int rawW,rawH;
// if (currentGUI.getRotation()%180==90) {
// rawW = decode_pdf.getPdfPageData().getCropBoxHeight(1);
// rawH = decode_pdf.getPdfPageData().getCropBoxWidth(1);
// } else {
// rawW = decode_pdf.getPdfPageData().getCropBoxWidth(1);
// rawH = decode_pdf.getPdfPageData().getCropBoxHeight(1);
// }
//
// Point p = event.getPoint();
// int x = (int)p.getX();
// int y = (int)p.getY();
//
// float scaling = decode_pdf.getScaling();
//
// double pageHeight = scaling*rawH;
// double pageWidth = scaling*rawW;
// int yStart = decode_pdf.getInsetH();
//
// //move so relative to center
// double left = (decode_pdf.getWidth()/2) - (pageWidth/2);
// double right = (decode_pdf.getWidth()/2) + (pageWidth/2);
//
// if(decode_pdf.getDisplayView()==Display.FACING){
// left = (decode_pdf.getWidth()/2);
// if(decode_pdf.getPageNumber()!=1 || decode_pdf.getPageCount()==2)
// left -= (pageWidth);
//
// right = (decode_pdf.getWidth()/2) + (pageWidth);
// }
//
// if (x >= left && x <= right &&
// y >= yStart && y <= yStart + pageHeight)
// //set displayed
// flag[1] = 1;
// else
// //set not displayed
// flag[1] = 0;
//
//
// } else {
// //set not displayed
// flag[1] = 0;
// }
// currentGUI.setMultibox(flag);
if (decode_pdf.getExternalHandler(Options.UniqueAnnotationHandler) != null) {
final int[] pos = updateXY((int)e.getX(), (int)e.getY(), decode_pdf, commonValues);
checkLinks(false, decode_pdf.getIO(), pos[0], pos[1]);
}
}
public void mouseWheelMoved(final ScrollEvent e){
if(decode_pdf.getDisplayView() == Display.PAGEFLOW) {
return;
}
if(currentGUI.getProperties().getValue("allowScrollwheelZoom").equalsIgnoreCase("true") && e.isControlDown()){
//zoom
int scaling = ((GUI)currentGUI).getSelectedComboIndex(Commands.SCALING);
if(scaling!=-1){
scaling = (int)decode_pdf.getDPIFactory().removeScaling(decode_pdf.getScaling()*100);
}else{
String numberValue = ((GUI)currentGUI).getSelectedComboItem(Commands.SCALING).toString();
try{
scaling= (int)Float.parseFloat(numberValue);
}catch(final Exception ex){
LogWriter.writeLog("Exception in handling scaling "+ex);
scaling=-1;
//its got characters in it so get first valid number string
final int length=numberValue.length();
int ii=0;
while(ii='0')&&(c<='9'))|(c=='.')) {
ii++;
} else {
break;
}
}
if(ii>0) {
numberValue = numberValue.substring(0, ii);
}
//try again if we reset above
if(scaling==-1){
try{
scaling = (int)Float.parseFloat(numberValue);
}catch(final Exception e1){
LogWriter.writeLog("Exception in handling scaling "+e1);
scaling=-1;
}
}
}
}
float value = e.getTouchCount();
if(scaling!=1 || value<0){
if(value<0){
value = 1.25f;
}else{
value = 0.8f;
}
if(!(scaling+value<0)){
float currentScaling = (scaling*value);
if(((int)currentScaling)==(scaling)) {
currentScaling = scaling + 1;
} else {
currentScaling = ((int) currentScaling);
}
if(currentScaling<1) {
currentScaling = 1;
}
if(currentScaling>1000) {
currentScaling = 1000;
}
//update scaling
currentGUI.snapScalingToDefaults(currentScaling);
}
}
} else {
final ScrollPane scroll = ((ScrollPane)decode_pdf.getParent());
if ((scroll.getVvalue()==scroll.getVmax()-scroll.getHeight() || scroll.getHeight()==0) &&
timeOfLastPageChange+700 < System.currentTimeMillis() &&
currentGUI.getValues().getCurrentPage() < decode_pdf.getPageCount()) {
//change page
timeOfLastPageChange = System.currentTimeMillis();
currentCommands.executeCommand(Commands.FORWARDPAGE, null);
//update scrollbar so at top of page
Platform.runLater(new Runnable() {
@Override
public void run() {
scroll.setVvalue(scroll.getVmin());
}
});
} else if (scroll.getVvalue()==scroll.getVmin() &&
timeOfLastPageChange+700 < System.currentTimeMillis() &&
currentGUI.getValues().getCurrentPage() > 1) {
//change page
timeOfLastPageChange = System.currentTimeMillis();
currentCommands.executeCommand(Commands.BACKPAGE, null);
//update scrollbar so at bottom of page
Platform.runLater(new Runnable() {
@Override
public void run() {
scroll.setVvalue(scroll.getVmax());
}
});
}
}
}
private void testFall(final Point corner, final Point cursor, final boolean testLeft) {
if (!previewTurnover) {
return;
}
float width = (decode_pdf.getPdfPageData().getCropBoxWidth(1) * decode_pdf.getScaling()) - 1;
if ((decode_pdf.getPdfPageData().getRotation(1) + currentGUI.getRotation()) % 180 == 90) {
width = decode_pdf.getPdfPageData().getCropBoxHeight(1) * decode_pdf.getScaling();
}
final float pageW = width;
if (!testLeft) {
if (!offsets.getDragLeft()) {
//reset cursor
decode_pdf.setCursor(Cursor.DEFAULT);
//If previously displaying turnover, animate to corner
final Thread animation = new Thread() {
@Override
public void run() {
corner.setX((decode_pdf.getBoundsInLocal().getWidth() / 2) + pageW);
//work out if page change needed
boolean fallBack = true;
if (cursor.getX() < corner.getX() - pageW) {
corner.setX((corner.getX() - (2 * pageW)));
fallBack = false;
}
// Fall animation
int velocity = 1;
//ensure cursor is not outside expected range
if (fallBack && cursor.getX() >= corner.getX()) {
cursor.setX(corner.getX() - 1);
}
if (!fallBack && cursor.getX() <= corner.getX()) {
cursor.setX(corner.getX() + 1);
}
if (!offsets.getDragTop() && cursor.getY() >= corner.getY()) {
cursor.setY(corner.getY() - 1);
}
if (offsets.getDragTop() && cursor.getY() <= corner.getY()) {
cursor.setY(corner.getY() + 1);
}
//Calculate distance required
final double distX = (corner.getX() - cursor.getX());
final double distY = (corner.getY() - cursor.getY());
//Loop through animation
while ((fallBack && cursor.getX() <= corner.getX())
|| (!fallBack && cursor.getX() >= corner.getX())
|| (!offsets.getDragTop() && cursor.getY() <= corner.getY())
|| (offsets.getDragTop() && cursor.getY() >= corner.getY())) {
//amount to move this time
double xMove = velocity * distX * 0.002;
double yMove = velocity * distY * 0.002;
//make sure always moves at least 1 pixel in each direction
if (Math.abs(xMove) < 1) {
xMove /= Math.abs(xMove);
}
if (Math.abs(yMove) < 1) {
yMove /= Math.abs(yMove);
}
cursor.setX(cursor.getX() + xMove);
cursor.setY(cursor.getY() + yMove);
if (offsets.getDragTop()) {
decode_pdf.setUserOffsets((int) cursor.getX(), (int) cursor.getY(), org.jpedal.external.OffsetOptions.INTERNAL_DRAG_CURSOR_TOP_RIGHT);
} else {
decode_pdf.setUserOffsets((int) cursor.getX(), (int) cursor.getY(), org.jpedal.external.OffsetOptions.INTERNAL_DRAG_CURSOR_BOTTOM_RIGHT);
}
//Double speed til moving 32/frame
if (velocity < 32) {
velocity *= 2;
}
//sleep til next frame
try {
Thread.sleep(50);
} catch (final Exception e) {
e.printStackTrace();
}
}
if (!fallBack) {
//calculate page to turn to
int forwardPage = commonValues.getCurrentPage() + 1;
if (decode_pdf.getPages().getBoolean(Display.BoolValue.SEPARATE_COVER) && forwardPage % 2 == 1) {
forwardPage++;
} else if (!decode_pdf.getPages().getBoolean(Display.BoolValue.SEPARATE_COVER) && forwardPage % 2 == 0) {
forwardPage++;
}
//change page
commonValues.setCurrentPage(forwardPage);
currentGUI.setPageNumber();
decode_pdf.setPageParameters(currentGUI.getScaling(), commonValues.getCurrentPage());
currentGUI.decodePage();
}
//hide turnover
decode_pdf.setUserOffsets(0, 0, org.jpedal.external.OffsetOptions.INTERNAL_DRAG_BLANK);
JavaFXPageNavigator.setPageTurnAnimating(false, currentGUI);
}
};
animation.setDaemon(true);
JavaFXPageNavigator.setPageTurnAnimating(true, currentGUI);
animation.start();
previewTurnover = false;
}
} else {
if (previewTurnover && offsets.getDragLeft()) {
//reset cursor
decode_pdf.setCursor(Cursor.DEFAULT);
//If previously displaying turnover, animate to corner
final Thread animation = new Thread() {
@Override
public void run() {
corner.setX((decode_pdf.getBoundsInLocal().getWidth() / 2) - pageW);
//work out if page change needed
boolean fallBack = true;
if (cursor.getX() > corner.getX() + pageW) {
corner.setX((corner.getX()) + (2 * pageW));
fallBack = false;
}
// Fall animation
int velocity = 1;
//ensure cursor is not outside expected range
if (!fallBack && cursor.getX() >= corner.getX()) {
cursor.setX(corner.getX() - 1);
}
if (fallBack && cursor.getX() <= corner.getX()) {
cursor.setX(corner.getX() + 1);
}
if (!offsets.getDragTop() && cursor.getY() >= corner.getY()) {
cursor.setY(corner.getY() - 1);
}
if (offsets.getDragTop() && cursor.getY() <= corner.getY()) {
cursor.setY(corner.getY() + 1);
}
//Calculate distance required
final double distX = (corner.getX() - cursor.getX());
final double distY = (corner.getY() - cursor.getY());
//Loop through animation
while ((!fallBack && cursor.getX() <= corner.getX())
|| (fallBack && cursor.getX() >= corner.getX())
|| (!offsets.getDragTop() && cursor.getY() <= corner.getY())
|| (offsets.getDragTop() && cursor.getY() >= corner.getY())) {
//amount to move this time
double xMove = velocity * distX * 0.002;
double yMove = velocity * distY * 0.002;
//make sure always moves at least 1 pixel in each direction
if (Math.abs(xMove) < 1) {
xMove /= Math.abs(xMove);
}
if (Math.abs(yMove) < 1) {
yMove /= Math.abs(yMove);
}
cursor.setX(cursor.getX() + xMove);
cursor.setY(cursor.getY() + yMove);
if (offsets.getDragTop()) {
decode_pdf.setUserOffsets((int) cursor.getX(), (int) cursor.getY(), org.jpedal.external.OffsetOptions.INTERNAL_DRAG_CURSOR_TOP_LEFT);
} else {
decode_pdf.setUserOffsets((int) cursor.getX(), (int) cursor.getY(), org.jpedal.external.OffsetOptions.INTERNAL_DRAG_CURSOR_BOTTOM_LEFT);
}
//Double speed til moving 32/frame
if (velocity < 32) {
velocity *= 2;
}
//sleep til next frame
try {
Thread.sleep(50);
} catch (final Exception e) {
e.printStackTrace();
}
}
if (!fallBack) {
//calculate page to turn to
int backPage = commonValues.getCurrentPage() - 2;
if (backPage == 0) {
backPage = 1;
}
//change page
commonValues.setCurrentPage(backPage);
currentGUI.setPageNumber();
decode_pdf.setPageParameters(currentGUI.getScaling(), commonValues.getCurrentPage());
currentGUI.decodePage();
}
//hide turnover
decode_pdf.setUserOffsets(0, 0, org.jpedal.external.OffsetOptions.INTERNAL_DRAG_BLANK);
JavaFXPageNavigator.setPageTurnAnimating(false, currentGUI);
}
};
animation.setDaemon(true);
JavaFXPageNavigator.setPageTurnAnimating(true, currentGUI);
animation.start();
previewTurnover = false;
}
}
}
}
© 2015 - 2024 Weber Informatics LLC | Privacy Policy