Browse Source
* commit 'f169fb0b0fe07b3ebf32bb10d24f8c79d696622b': REPORT-8357 .0之前开发的功能与bug patch到10.0 图片压缩master
superman
7 years ago
14 changed files with 1105 additions and 443 deletions
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package com.fr.design.gui.frpane; |
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import com.fr.base.BaseUtils; |
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import com.fr.base.Style; |
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import com.fr.design.gui.ilable.UILabel; |
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import com.fr.design.style.background.image.ImageFileChooser; |
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import com.fr.design.style.background.image.ImagePreviewer; |
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import com.fr.design.utils.ImageUtils; |
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import com.fr.general.ImageWithSuffix; |
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import com.fr.general.Inter; |
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import com.fr.stable.CoreGraphHelper; |
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import com.fr.stable.StringUtils; |
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import javax.swing.JFileChooser; |
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import javax.swing.SwingWorker; |
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import javax.swing.event.ChangeEvent; |
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import javax.swing.event.ChangeListener; |
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import java.awt.Image; |
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import java.io.File; |
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/** |
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* 图片选择框包装类 |
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* Created by zack on 2018/3/9. |
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*/ |
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public class ImgChooseWrapper { |
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private ImagePreviewer previewPane = null; |
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private ImageFileChooser imageFileChooser = null; |
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private Style imageStyle = null; |
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private SwingWorker<Void, Void> imageWorker; |
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private ChangeListener changeListener; |
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private transient Image selectImage; |
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private UILabel imageSizeLabel; |
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public static ImgChooseWrapper getInstance(ImagePreviewer previewPane, ImageFileChooser imageFileChooser, Style imageStyle) { |
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return getInstance(previewPane, imageFileChooser, imageStyle, null); |
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} |
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public static ImgChooseWrapper getInstance(ImagePreviewer previewPane, ImageFileChooser imageFileChooser, Style imageStyle, ChangeListener changeListener) { |
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return new ImgChooseWrapper(previewPane, imageFileChooser, imageStyle, changeListener, null, null); |
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} |
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public static ImgChooseWrapper getInstance(Image selectImage, UILabel imageSizeLabel, ImageFileChooser imageFileChooser) { |
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return new ImgChooseWrapper(null, imageFileChooser, null, null, selectImage, imageSizeLabel); |
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} |
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private ImgChooseWrapper(ImagePreviewer previewPane, ImageFileChooser imageFileChooser, Style imageStyle, ChangeListener changeListener, Image selectImage, UILabel imageSizeLabel) { |
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this.previewPane = previewPane; |
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this.imageFileChooser = imageFileChooser; |
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this.imageStyle = imageStyle; |
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this.changeListener = changeListener; |
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this.selectImage = selectImage; |
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this.imageSizeLabel = imageSizeLabel; |
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} |
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public void setPreviewPane(ImagePreviewer previewPane) { |
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this.previewPane = previewPane; |
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} |
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public ImageFileChooser getImageFileChooser() { |
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return imageFileChooser; |
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} |
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public void setImageFileChooser(ImageFileChooser imageFileChooser) { |
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this.imageFileChooser = imageFileChooser; |
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} |
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public Style getImageStyle() { |
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return imageStyle; |
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} |
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public void setImageStyle(Style imageStyle) { |
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this.imageStyle = imageStyle; |
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} |
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public SwingWorker<Void, Void> getImageWorker() { |
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return imageWorker; |
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} |
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public void setImageWorker(SwingWorker<Void, Void> imageWorker) { |
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this.imageWorker = imageWorker; |
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} |
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public void dealWithImageFile(int returnVal) { |
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if (returnVal != JFileChooser.CANCEL_OPTION) { |
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final File selectedFile = imageFileChooser.getSelectedFile(); |
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if (selectedFile != null && selectedFile.isFile()) { |
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if (previewPane != null) { |
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previewPane.showLoading(); |
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} |
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if (imageWorker != null && !imageWorker.isDone()) { |
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imageWorker = null; |
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} |
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imageWorker = new SwingWorker<Void, Void>() { |
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@Override |
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protected Void doInBackground() throws Exception { |
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ImageWithSuffix imageWithSuffix = null; |
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if (imageFileChooser.isCheckSelected()) { |
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imageWithSuffix = ImageUtils.defaultImageCompWithSuff(selectedFile); |
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} else { |
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Image image = BaseUtils.readImage(selectedFile.getPath()); |
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String type = ImageUtils.getImageType(selectedFile); |
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imageWithSuffix = new ImageWithSuffix(image, type); |
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} |
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CoreGraphHelper.waitForImage(imageWithSuffix); |
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if (previewPane != null) { |
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previewPane.setImageStyle(imageStyle); |
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previewPane.setImageWithSuffix(imageWithSuffix); |
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previewPane.repaint(); |
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} |
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checkLabelText(); |
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fireChangeListener(); |
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return null; |
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} |
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}; |
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imageWorker.execute(); |
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} else { |
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if (previewPane != null) { |
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previewPane.setImage(null); |
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} |
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} |
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if (previewPane != null) { |
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previewPane.repaint(); |
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} |
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} |
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} |
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private void fireChangeListener() { |
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if (this.changeListener != null) { |
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ChangeEvent evt = new ChangeEvent(this); |
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this.changeListener.stateChanged(evt); |
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} |
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} |
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private void checkLabelText() { |
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if (imageSizeLabel == null) { |
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return; |
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} |
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if (selectImage == null) { |
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imageSizeLabel.setText(StringUtils.EMPTY); |
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} else { |
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imageSizeLabel.setText(selectImage.getWidth(null) + "x" |
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+ selectImage.getHeight(null) + Inter.getLocText("px")); |
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} |
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} |
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} |
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package com.fr.design.style.background.image; |
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import com.fr.base.BaseUtils; |
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import com.fr.design.DesignerEnvManager; |
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import com.fr.design.gui.ibutton.UIButton; |
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import com.fr.design.gui.icheckbox.UICheckBox; |
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import com.fr.design.layout.FRGUIPaneFactory; |
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import com.fr.design.utils.gui.GUICoreUtils; |
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import com.fr.general.Inter; |
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import com.fr.stable.StringUtils; |
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import javax.swing.JDialog; |
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import javax.swing.JFileChooser; |
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import javax.swing.JPanel; |
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import javax.swing.plaf.metal.MetalFileChooserUI; |
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import java.awt.BorderLayout; |
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import java.awt.Component; |
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import java.awt.Container; |
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import java.awt.Dimension; |
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import java.awt.Insets; |
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import java.awt.LayoutManager; |
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import java.awt.event.ActionListener; |
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/** |
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* 扩展的文件选择框(底部控制区域扩展一个复选框) |
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* Created by zack on 2018/3/8. |
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*/ |
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public class ExpandFileChooser extends JFileChooser { |
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private JDialog dialog; |
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private UICheckBox checkBox;//选择框底部的复选按钮
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private int retVal = ERROR_OPTION; |
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private UIButton approve; |
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private UIButton cancel; |
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private static final int DEFAULT_WIDTH = 520; |
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public ExpandFileChooser() { |
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this(StringUtils.EMPTY, StringUtils.EMPTY); |
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} |
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public ExpandFileChooser(String checkBoxText, String approveButtonText) { |
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JPanel previewContainerPane = FRGUIPaneFactory.createBorderLayout_S_Pane(); |
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MetalFileChooserUI chooserUI = (MetalFileChooserUI) getUI(); |
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String approveText = StringUtils.isEmpty(approveButtonText) ? chooserUI.getApproveButtonText(this) : approveButtonText; |
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dialog = new JDialog(); |
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dialog.setSize(new Dimension(DEFAULT_WIDTH, 362)); |
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dialog.add(previewContainerPane); |
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dialog.setIconImage(BaseUtils.readImage("/com/fr/base/images/oem/logo.png")); |
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dialog.setTitle(approveText); |
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previewContainerPane.add(this, BorderLayout.CENTER); |
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JPanel bottomControlPanel = new JPanel(); |
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bottomControlPanel.setLayout(new ImageAreaLayout()); |
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bottomControlPanel.setPreferredSize(new Dimension(DEFAULT_WIDTH, 40)); |
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approve = new UIButton(approveText); |
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cancel = new UIButton(Inter.getLocText("FR-Designer_Button-Cancel")); |
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if (StringUtils.isNotEmpty(checkBoxText)) { |
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checkBox = new UICheckBox(checkBoxText); |
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checkBox.setSelected(DesignerEnvManager.getEnvManager().isImageCompress()); |
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bottomControlPanel.add(checkBox); |
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checkBox.addActionListener(checkAction()); |
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} |
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bottomControlPanel.add(approve); |
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approve.addActionListener(chooserUI.getApproveSelectionAction()); |
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cancel.addActionListener(chooserUI.getCancelSelectionAction()); |
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bottomControlPanel.add(cancel); |
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previewContainerPane.add(bottomControlPanel, BorderLayout.SOUTH); |
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GUICoreUtils.centerWindow(dialog); |
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} |
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public ActionListener checkAction() { |
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return null; |
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} |
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public boolean isCheckSelected() { |
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if (checkBox != null) { |
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return checkBox.isSelected(); |
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} |
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return false; |
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} |
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@Override |
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public int showDialog(Component parent, String approveButtonText) { |
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dialog.setModal(true); |
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dialog.setVisible(true); |
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return retVal; |
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} |
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@Override |
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public void approveSelection() { |
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retVal = APPROVE_OPTION; |
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if (dialog != null) { |
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dialog.setVisible(false); |
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} |
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fireActionPerformed(APPROVE_SELECTION); |
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} |
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@Override |
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public void cancelSelection() { |
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retVal = CANCEL_OPTION; |
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if (dialog != null) { |
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dialog.setVisible(false); |
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} |
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fireActionPerformed(CANCEL_SELECTION); |
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} |
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@Override |
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public boolean getControlButtonsAreShown() { |
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return false;//隐藏默认的控制按钮(打开/取消)
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} |
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private class ImageAreaLayout implements LayoutManager { |
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private static final int TEN = 10; |
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private int hGap = 5; |
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private int topMargin = TEN; |
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private int leftMargin = TEN; |
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private int leftStart = 8; |
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@Override |
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public void addLayoutComponent(String string, Component comp) { |
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} |
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@Override |
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public void layoutContainer(Container container) { |
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Component[] children = container.getComponents(); |
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if (children != null && children.length > 0) { |
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int numChildren = children.length; |
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Dimension[] sizes = new Dimension[numChildren]; |
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Insets insets = container.getInsets(); |
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int yLocation = insets.top + topMargin; |
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int maxWidth = 0; |
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for (int counter = 0; counter < numChildren; counter++) { |
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sizes[counter] = children[counter].getPreferredSize(); |
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maxWidth = Math.max(maxWidth, sizes[counter].width); |
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} |
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int xLocation, xOffset; |
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if (container.getComponentOrientation().isLeftToRight()) { |
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xLocation = container.getSize().width - insets.left - maxWidth - leftMargin; |
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xOffset = hGap + maxWidth; |
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} else { |
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xLocation = insets.left; |
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xOffset = -(hGap + maxWidth); |
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} |
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//单独设置图片压缩按钮的位置
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children[0].setBounds(leftStart, yLocation, |
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maxWidth, sizes[0].height); |
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for (int counter = numChildren - 1; counter >= 1; counter--) { |
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children[counter].setBounds(xLocation, yLocation, |
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maxWidth, sizes[counter].height); |
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xLocation -= xOffset; |
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} |
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} |
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} |
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@Override |
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public Dimension minimumLayoutSize(Container c) { |
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if (c != null) { |
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Component[] children = c.getComponents(); |
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if (children != null && children.length > 0) { |
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int numChildren = children.length; |
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int height = 0; |
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Insets cInsets = c.getInsets(); |
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int extraHeight = topMargin + cInsets.top + cInsets.bottom; |
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int extraWidth = cInsets.left + cInsets.right; |
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int maxWidth = 0; |
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for (int counter = 0; counter < numChildren; counter++) { |
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Dimension aSize = children[counter].getPreferredSize(); |
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height = Math.max(height, aSize.height); |
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maxWidth = Math.max(maxWidth, aSize.width); |
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} |
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return new Dimension(extraWidth + numChildren * maxWidth + |
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(numChildren - 1) * hGap, |
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extraHeight + height); |
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} |
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} |
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return new Dimension(0, 0); |
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} |
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@Override |
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public Dimension preferredLayoutSize(Container c) { |
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return minimumLayoutSize(c); |
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} |
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@Override |
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public void removeLayoutComponent(Component c) { |
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} |
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} |
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} |
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package com.fr.design.style.background.image; |
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import com.fr.base.Style; |
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import com.fr.general.ImageWithSuffix; |
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import java.awt.Image; |
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/** |
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* 图片预览接口(由于子类上层父类差别较大,无奈的接口) |
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* Created by zack on 2018/3/10. |
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*/ |
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public interface ImagePreviewer { |
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/** |
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* 设置图片样式(平铺,拉伸) |
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* @param style 样式 |
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*/ |
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void setImageStyle(Style style); |
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/** |
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* 设置图片 |
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* @param image 图片 |
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*/ |
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void setImage(Image image); |
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/** |
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* 设置图片(带格式) |
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* @param image 图片 |
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*/ |
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void setImageWithSuffix(ImageWithSuffix image); |
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/** |
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* 显示正在加载 |
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*/ |
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void showLoading(); |
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/** |
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* 重绘 |
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*/ |
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void repaint(); |
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} |
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package com.fr.design.utils; |
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import com.fr.base.BaseUtils; |
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import com.fr.general.ComparatorUtils; |
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import com.fr.general.FRLogger; |
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import com.fr.general.ImageWithSuffix; |
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import com.fr.stable.CoreGraphHelper; |
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import com.fr.stable.StringUtils; |
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import javax.imageio.IIOImage; |
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import javax.imageio.ImageIO; |
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import javax.imageio.ImageReader; |
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import javax.imageio.ImageWriteParam; |
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import javax.imageio.ImageWriter; |
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import javax.imageio.stream.ImageInputStream; |
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import javax.imageio.stream.ImageOutputStream; |
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import java.awt.Graphics; |
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import java.awt.Graphics2D; |
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import java.awt.Image; |
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import java.awt.Transparency; |
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import java.awt.image.BufferedImage; |
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import java.io.ByteArrayInputStream; |
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import java.io.ByteArrayOutputStream; |
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import java.io.File; |
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import java.io.IOException; |
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import java.math.BigDecimal; |
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import java.util.Iterator; |
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/** |
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* 设计器部分的图片处理工具类 |
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* Created by zack on 2018/3/8. |
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*/ |
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public class ImageUtils { |
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public static final String TYPE_JPEG = "JPEG"; |
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public static final String TYPE_PNG = "png"; |
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/** |
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* 默认压缩算法,采用75%质量压缩,带透明度的png默认使用缩放的方式实现压缩尺寸压缩50%,大小大约为1/4 |
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* |
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* @param imageFile 原文件 |
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* @return 压缩后的BufferedImage对象 |
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*/ |
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public static Image defaultImageCompress(File imageFile) { |
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if (imageFile == null || !imageFile.exists()) { |
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return null; |
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} |
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try { |
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BufferedImage srcImg = BaseUtils.readImage(imageFile.getPath()); |
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if (canbeCompressedToJPEG(imageFile)) { |
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return jpegCompress(srcImg, 0.75f); |
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} else if (isPNGType(imageFile)) { |
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//带透明度的采用缩放的方式
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return scale(srcImg, 0.5f, true); |
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} |
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} catch (IOException e) { |
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FRLogger.getLogger().info("image compress failed!"); |
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} |
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return BaseUtils.readImage(imageFile.getPath()); |
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} |
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/** |
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* 默认压缩算法,返回带格式的image |
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* |
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* @param imageFile 原文件 |
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* @return 压缩后的BufferedImage对象 |
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*/ |
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public static ImageWithSuffix defaultImageCompWithSuff(File imageFile) { |
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if (imageFile == null || !imageFile.exists()) { |
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return null; |
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} |
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BufferedImage srcImg = BaseUtils.readImage(imageFile.getPath()); |
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Image desImg = srcImg; |
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try { |
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if (canbeCompressedToJPEG(imageFile)) { |
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return new ImageWithSuffix(jpegCompress(srcImg, 0.75f), TYPE_JPEG); |
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} else if (isPNGType(imageFile)) { |
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//带透明度的采用缩放的方式
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desImg = scale(srcImg, 0.5f, true); |
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} |
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} catch (IOException e) { |
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FRLogger.getLogger().info("image compress failed!"); |
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} |
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return new ImageWithSuffix(desImg, TYPE_PNG); |
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} |
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public static boolean canbeCompressedToJPEG(File imageFile) { |
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String imageType = getImageType(imageFile); |
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if (ComparatorUtils.equals(imageType, TYPE_JPEG)) {//JPEG大写
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return true; |
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} |
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if (ComparatorUtils.equals(imageType, TYPE_PNG)) {//png小写
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return !isAlphaAreaOverload(imageFile);//少量透明度系数的png直接压缩jpg
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} |
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return false; |
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} |
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/** |
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* 判断图片是否是png类型 |
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* |
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* @param imageFile |
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* @return |
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*/ |
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public static boolean isPNGType(File imageFile) { |
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if (ComparatorUtils.equals(getImageType(imageFile), TYPE_PNG)) { |
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return true; |
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} |
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return false; |
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} |
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/** |
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* JPEG格式图片压缩 |
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* |
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* @param image 压缩源图片 |
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* @param quality 压缩质量，在0-1之间， |
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* @return 返回的字节数组 |
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*/ |
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public static BufferedImage jpegCompress(BufferedImage image, float quality) throws IOException { |
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if (image == null) { |
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return null; |
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} |
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// 得到指定Format图片的writer
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Iterator<ImageWriter> iter = ImageIO |
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.getImageWritersByFormatName("jpeg");// 得到迭代器
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ImageWriter writer = iter.next(); |
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// 得到指定writer的输出参数设置(ImageWriteParam )
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ImageWriteParam iwp = writer.getDefaultWriteParam(); |
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iwp.setCompressionMode(ImageWriteParam.MODE_EXPLICIT); // 设置可否压缩
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iwp.setCompressionQuality(quality); // 设置压缩质量参数
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iwp.setProgressiveMode(ImageWriteParam.MODE_DISABLED); |
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// 开始打包图片，写入byte[]
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ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(); |
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ImageOutputStream ios = null; |
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ByteArrayInputStream in = null; |
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try { |
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image = copy(image, BufferedImage.TYPE_INT_RGB); |
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ios = ImageIO.createImageOutputStream(byteArrayOutputStream); |
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writer.setOutput(ios); |
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writer.write(null, new IIOImage(image, null, null), iwp); |
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in = new ByteArrayInputStream(byteArrayOutputStream.toByteArray()); |
||||
if (ios == null || in == null) { |
||||
throw new IOException("The image file cannot be compressed"); |
||||
} |
||||
return ImageIO.read(in); |
||||
} finally { |
||||
writer.dispose(); |
||||
byteArrayOutputStream.close(); |
||||
if (ios != null) { |
||||
ios.close(); |
||||
} |
||||
if (in != null) { |
||||
in.close(); |
||||
} |
||||
} |
||||
} |
||||
|
||||
/** |
||||
* 判断图片中是否包含多于5%的透明区域,这个5%随便定的 |
||||
* |
||||
* @param imageFile 目标图片 |
||||
* @return 含透明度像素占比 |
||||
*/ |
||||
public static boolean isAlphaAreaOverload(File imageFile) { |
||||
if (imageFile == null || !imageFile.isFile()) { |
||||
return false; |
||||
} |
||||
BufferedImage bufferedImage = BaseUtils.readImage(imageFile.getPath()); |
||||
int width = bufferedImage.getWidth(); |
||||
int height = bufferedImage.getHeight(); |
||||
long alphaCount = 0; |
||||
for (int i = 0; i < width; i++) { |
||||
for (int j = 0; j < height; j++) { |
||||
int rgb = bufferedImage.getRGB(i, j); |
||||
int a = (0xff & (rgb >> 24)); |
||||
if (a != 0xff) { |
||||
alphaCount++; |
||||
} |
||||
} |
||||
} |
||||
return alphaCount / (double) (width * height) > 0.05; |
||||
} |
||||
|
||||
/** |
||||
* 获取图片类型 |
||||
* |
||||
* @param imageFile 图片文件 |
||||
* @return 图片类型(JPEG, PNG, GIF) |
||||
*/ |
||||
public static String getImageType(File imageFile) { |
||||
try { |
||||
ImageInputStream iis = ImageIO.createImageInputStream(imageFile); |
||||
Iterator<ImageReader> iter = ImageIO.getImageReaders(iis); |
||||
if (!iter.hasNext()) { |
||||
return StringUtils.EMPTY; |
||||
} |
||||
ImageReader reader = iter.next(); |
||||
iis.close(); |
||||
return reader.getFormatName(); |
||||
} catch (IOException ignore) { |
||||
} |
||||
return StringUtils.EMPTY; |
||||
} |
||||
|
||||
private static BufferedImage copy(BufferedImage img, int imageType) { |
||||
int width = img.getWidth(); |
||||
int height = img.getHeight(); |
||||
|
||||
BufferedImage newImage = CoreGraphHelper.createBufferedImage(width, height, imageType); |
||||
Graphics g = newImage.createGraphics(); |
||||
|
||||
g.drawImage(img, 0, 0, null); |
||||
|
||||
g.dispose(); |
||||
|
||||
return newImage; |
||||
} |
||||
|
||||
/** |
||||
* 缩放图像（按比例缩放） |
||||
* |
||||
* @param srcImg 源图像来源流 |
||||
* @param scale 缩放比例。比例大于1时为放大，小于1大于0为缩小 |
||||
* @param opacityCompatible 是否处理背景透明 |
||||
*/ |
||||
public static Image scale(BufferedImage srcImg, float scale, boolean opacityCompatible) { |
||||
if (scale < 0) { |
||||
// 自动修正负数
|
||||
scale = -scale; |
||||
} |
||||
|
||||
int width = mul(Integer.toString(srcImg.getWidth(null)), Float.toString(scale)).intValue(); // 得到源图宽
|
||||
int height = mul(Integer.toString(srcImg.getHeight(null)), Float.toString(scale)).intValue(); // 得到源图长
|
||||
return scale(srcImg, width, height, opacityCompatible); |
||||
} |
||||
|
||||
private static BigDecimal mul(String v1, String v2) { |
||||
return mul(new BigDecimal(v1), new BigDecimal(v2)); |
||||
} |
||||
|
||||
private static BigDecimal mul(BigDecimal v1, BigDecimal v2) { |
||||
return v1.multiply(v2); |
||||
} |
||||
|
||||
/** |
||||
* 缩放图像（按长宽缩放） |
||||
* 目标长宽与原图不成比例会变形 |
||||
* |
||||
* @param srcImg 源图像来源流 |
||||
* @param width 目标宽度 |
||||
* @param height 目标高度 |
||||
* @param opacityCompatible 是否处理背景透明 |
||||
* @return {@link Image} |
||||
*/ |
||||
private static Image scale(BufferedImage srcImg, int width, int height, boolean opacityCompatible) { |
||||
int srcHeight = srcImg.getHeight(null); |
||||
int srcWidth = srcImg.getWidth(null); |
||||
int scaleType; |
||||
if (srcHeight == height && srcWidth == width) { |
||||
// 源与目标长宽一致返回原图
|
||||
return srcImg; |
||||
} else if (srcHeight < height || srcWidth < width) { |
||||
// 放大图片使用平滑模式
|
||||
scaleType = Image.SCALE_SMOOTH; |
||||
} else { |
||||
scaleType = Image.SCALE_DEFAULT; |
||||
} |
||||
if (opacityCompatible) {//需要保留透明度背景
|
||||
BufferedImage toImg = CoreGraphHelper.createBufferedImage(width, height, srcImg.getType()); |
||||
Graphics2D g2d = toImg.createGraphics(); |
||||
toImg = g2d.getDeviceConfiguration().createCompatibleImage(width, height, Transparency.TRANSLUCENT); |
||||
g2d.dispose(); |
||||
|
||||
g2d = toImg.createGraphics(); |
||||
Image from = srcImg.getScaledInstance(width, height, scaleType); |
||||
g2d.drawImage(from, 0, 0, null); |
||||
g2d.dispose(); |
||||
return toImg; |
||||
} |
||||
return srcImg.getScaledInstance(width, height, scaleType); |
||||
} |
||||
} |
||||
Loading…
Reference in new issue