Java tutorial
/* * Copyright 2014-2015 See AUTHORS file. * * Licensed 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 com.kotcrab.vis.editor.ui.dialog; import com.badlogic.gdx.files.FileHandle; import com.badlogic.gdx.graphics.Color; import com.badlogic.gdx.math.MathUtils; import com.badlogic.gdx.utils.Array; import com.badlogic.gdx.utils.Json; import com.kotcrab.vis.editor.Icons; import com.kotcrab.vis.editor.Log; import com.kotcrab.vis.editor.module.project.SpriterDataIOModule; import com.kotcrab.vis.editor.scheme.SpriterAssetData; import com.kotcrab.vis.editor.util.async.SteppedAsyncTask; import com.kotcrab.vis.editor.util.scene2d.VisChangeListener; import com.kotcrab.vis.editor.util.vis.EditorException; import com.kotcrab.vis.ui.util.FloatDigitsOnlyFilter; import com.kotcrab.vis.ui.util.TableUtils; import com.kotcrab.vis.ui.util.dialog.DialogUtils; import com.kotcrab.vis.ui.util.form.FormValidator; import com.kotcrab.vis.ui.widget.*; import org.imgscalr.Scalr; import javax.imageio.ImageIO; import javax.imageio.ImageReader; import javax.imageio.stream.ImageInputStream; import java.awt.image.BufferedImage; import java.io.IOException; import java.util.Iterator; /** @author Kotcrab */ public class SpriterImportDialog extends VisWindow { private final VisImage image; private FileHandle animFolder; private FileHandle visAnimFolder; private final VisValidatableTextField scaleField; private Array<String> warnings = new Array<>(); public SpriterImportDialog(FileHandle animFolder, String relativePath) { super("Import Spriter Animation"); this.animFolder = animFolder; visAnimFolder = animFolder.child(".vis"); left(); defaults().left(); setModal(true); addCloseButton(); closeOnEscape(); TableUtils.setSpacingDefaults(this); scaleField = new VisValidatableTextField("1.00"); scaleField.setTextFieldFilter(new FloatDigitsOnlyFilter(false)); image = new VisImage(Icons.QUESTION_BIG.drawable()); new Tooltip(image, "If your images are too big you can use this to rescale source images"); VisTable scaleRatioTable = new VisTable(); scaleRatioTable.add(new VisLabel("Image Scale Ratio: ")); scaleRatioTable.add(scaleField); scaleRatioTable.add(image).size(22); VisLabel helpLabel = new VisLabel( "Animation will be converted. Do not change files inside this directory after importing. To update animation go to " + relativePath + "/.vis/update and paste new animation files there."); helpLabel.setWrap(true); VisTextButton cancelButton = new VisTextButton("Cancel"); VisTextButton importButton = new VisTextButton("Import"); VisLabel errorLabel = new VisLabel("", Color.RED); VisTable buttonTable = new VisTable(true); buttonTable.add(cancelButton); buttonTable.add(importButton); add(scaleRatioTable).expandX().fillX().colspan(2); row(); add(helpLabel).expandX().fillX().colspan(2); row(); add(errorLabel).expandX().fillX().minWidth(300); add(buttonTable).padBottom(3); pack(); centerWindow(); FormValidator formValidator = new FormValidator(importButton, errorLabel); formValidator.valueGreaterThan(scaleField, "Scale ratio must be greater than 0.01", 0.01f, true); formValidator.valueLesserThan(scaleField, "Scale ratio must be lesser than 1", 1f, true); cancelButton.addListener(new VisChangeListener((event, actor) -> fadeOut())); importButton.addListener(new VisChangeListener((event, actor) -> { try { checkSettings(); } catch (EditorException e) { DialogUtils.showErrorDialog(getStage(), e.getMessage()); return; } if (warnings.size > 0) { DialogUtils.showConfirmDialog(getStage(), "Warning", "Some problem were found during files check", new String[] { "Details", "Import Anyway" }, new Integer[] { 0, 1 }, result -> { if (result == 0) { final StringBuilder warningMsg = new StringBuilder(); warnings.forEach(s -> warningMsg.append(s + "\n\n")); getStage().addActor(new DetailsDialog("Some problem were found during files check", "Warning Details", warningMsg.toString())); } else { importAnimation(); fadeOut(); } }); return; } importAnimation(); fadeOut(); })); } private void importAnimation() { SteppedAsyncTask importTask = new SteppedAsyncTask("SpriterImporter") { @Override public void execute() throws IOException { FileHandle[] files = animFolder.list(); setTotalSteps(files.length * 2); float scaleFactor = Float.valueOf(scaleField.getText()); visAnimFolder.mkdirs(); visAnimFolder.child("update").mkdirs(); FileHandle target = visAnimFolder.child("original"); target.mkdirs(); for (FileHandle file : files) { setMessage("Copying " + file.name()); file.copyTo(target); nextStep(); } for (FileHandle file : files) { if (file.extension().equals("png") == false) continue; setMessage("Converting " + file.name()); BufferedImage image = ImageIO.read(file.file()); BufferedImage scaledImage = Scalr.resize(image, MathUtils.round(image.getWidth() * scaleFactor), MathUtils.round(image.getHeight() * scaleFactor)); ImageIO.write(scaledImage, "png", file.file()); nextStep(); } setMessage("Saving data"); Json json = SpriterDataIOModule.getNewJson(); SpriterAssetData assetData = new SpriterAssetData(scaleFactor); json.toJson(assetData, visAnimFolder.child("data.json")); } }; getStage().addActor(new AsyncTaskProgressDialog("Importing animation", importTask)); } private void checkSettings() throws EditorException { warnings.clear(); for (FileHandle file : animFolder.list()) { if (file.extension().equals("png") == false) continue; try (ImageInputStream in = ImageIO.createImageInputStream(file.file())) { final Iterator<ImageReader> readers = ImageIO.getImageReaders(in); if (readers.hasNext()) { ImageReader reader = readers.next(); try { reader.setInput(in); float scale = Float.valueOf(scaleField.getText()); int w = reader.getWidth(0); int h = reader.getHeight(0); if (scale != 1) { if (w < 10 || h < 10) throw new EditorException( "Images are too small to scale them, set scale ratio to 1 or modify your animation."); int rw = (int) (w * scale); int rh = (int) (h * scale); checkIfTooBigForAtlas(file, rw, rh); checkIfVeryBig(file, rw, rh); } else { checkIfTooBigForAtlas(file, w, h); checkIfVeryBig(file, w, h); } } finally { reader.dispose(); } } } catch (IOException e) { DialogUtils.showErrorDialog(getStage(), ""); Log.exception(e); } } } private void checkIfVeryBig(FileHandle file, int w, int h) { if (w > 400 || h > 400) { warnings.add("Image " + file.name() + " is very big. This may affect performance on mobile devices.\nConsider decreasing scale ratio."); } } private void checkIfTooBigForAtlas(FileHandle file, int w, int h) throws EditorException { if (w > 2048 || h > 2048) throw new EditorException( "Image " + file.name() + " is too big to load it to memory on most mobile devices.\n" + "Animation can't be imported. Decrease scale ratio."); } }