REPORT-51304 保存时gif背景为透明时 锯齿太严重 通过代码来绘制

designer-base/src/main/java/com/fr/design/mainframe/DesktopCardPane.java

@@ -105,11 +105,13 @@ public class DesktopCardPane extends BasicPane implements TargetModifiedListener
     }
 
     public void showCover() {
+        transparentPane.start();
         layeredPane.moveToFront(transparentPane);
         DesignerContext.getDesignerFrame().refreshUIToolBar();
     }
 
     public void hideCover() {
+        transparentPane.stop();
         layeredPane.moveToFront(component);
     }
 

designer-base/src/main/java/com/fr/design/mainframe/TransparentPane.java

@@ -3,6 +3,7 @@ package com.fr.design.mainframe;
 import com.fr.design.gui.ilable.UILabel;
 import com.fr.design.i18n.Toolkit;
 import java.awt.AlphaComposite;
+import java.awt.BasicStroke;
 import java.awt.Color;
 import java.awt.Component;
 import java.awt.Composite;
@@ -11,23 +12,34 @@ import java.awt.Dimension;
 import java.awt.Graphics;
 import java.awt.Graphics2D;
 import java.awt.LayoutManager;
+import java.awt.RenderingHints;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
 import java.awt.event.MouseAdapter;
 import java.awt.event.MouseEvent;
 import javax.swing.ImageIcon;
 import javax.swing.JComponent;
+import javax.swing.Timer;
 
 /**
  * @author hades
  * @version 10.0
  * Created by hades on 2021/4/12
  */
-public class TransparentPane extends JComponent {
+public class TransparentPane extends JComponent implements ActionListener {
 
-    private static final ImageIcon LOADING_ICON = new ImageIcon(TransparentPane.class.getResource("/com/fr/web/images/loading-local.gif"));
-
-    private UILabel loadingLabel;
     private UILabel label;
     private AlphaComposite composite = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.3f);
+    private volatile boolean mIsRunning;
+    private volatile boolean mIsFadingOut;
+    private Timer mTimer;
+    private int mAngle;
+    private int mFadeCount;
+    private int mFadeLimit = 15;
+    private int lines = 12;
+    private int maxAngle = 360;
+    private int angleAdd = 30;
+    private double prec = 0.56;
 
     public TransparentPane() {
 
@@ -41,10 +53,7 @@ public class TransparentPane extends JComponent {
         setLayout(getCoverLayout());
         setBackground(null);
         setOpaque(false);
-
-        loadingLabel = new UILabel(LOADING_ICON);
         label = new UILabel(Toolkit.i18nText("Fine-Design_Saving_Template_Tip"));
-        add(loadingLabel);
         add(label);
     }
 
@@ -69,16 +78,11 @@ public class TransparentPane extends JComponent {
             public void layoutContainer(Container parent) {
                 int width = parent.getParent().getWidth();
                 int height = parent.getParent().getHeight();
-                int loadingLabelWidth = loadingLabel.getPreferredSize().width;
-                int loadingLabelHeight = loadingLabel.getPreferredSize().height;
-                int buttonX = (width - loadingLabelWidth) / 2;
-                int buttonY = (height - loadingLabelHeight) / 2;
                 int labelWidth = label.getPreferredSize().width;
                 int labelHeight = label.getPreferredSize().height;
                 int labelX = (width - labelWidth) / 2;
-                int labelY = (height - labelHeight) / 2 + loadingLabelHeight;
+                int labelY = (int) ((height - labelHeight) * prec);
                 label.setBounds(labelX, labelY, labelWidth, labelHeight);
-                loadingLabel.setBounds(buttonX, buttonY, loadingLabelWidth, loadingLabelHeight);
             }
 
             @Override
@@ -90,13 +94,69 @@ public class TransparentPane extends JComponent {
 
     @Override
     public void paint(Graphics g) {
-        Graphics2D g2d = (Graphics2D) g;
-        Composite oldComposite = g2d.getComposite();
-        g2d.setComposite(composite);
-        g2d.setColor(Color.BLACK);
-        g2d.fillRect(0, 0, getWidth(), getHeight());
-        g2d.setComposite(oldComposite);
+        int w = this.getWidth();
+        int h = this.getHeight();
         super.paint(g);
+        if (!mIsRunning) {
+            return;
+        }
+        Graphics2D g2 = (Graphics2D) g.create();
+        float fade = (float) mFadeCount / (float) mFadeLimit;
+        Composite urComposite = g2.getComposite();
+        g2.setComposite(composite);
+        g2.fillRect(0, 0, w, h);
+        g2.setComposite(urComposite);
+        int s = Math.min(w, h) / 50;
+        int cx = w / 2;
+        int cy = h / 2;
+        g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
+        g2.setStroke(new BasicStroke(s / 4, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND));
+        g2.setPaint(Color.BLACK);
+        g2.rotate(Math.PI * mAngle / 180, cx, cy);
+        for (int i = 0; i < lines; i++) {
+            float scale = (11.0f - (float) i) / 11.0f;
+            g2.drawLine(cx + s, cy, cx + s * 2, cy);
+            g2.rotate(-Math.PI / 6, cx, cy);
+            g2.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, scale * fade));
+        }
+        g2.dispose();
+    }
+
+    @Override
+    public void actionPerformed(ActionEvent e) {
+        if (mIsRunning) {
+            repaint();
+            mAngle += angleAdd;
+            if (mAngle >= maxAngle) {
+                mAngle = 0;
+            }
+            if (mIsFadingOut) {
+                if (--mFadeCount == 0) {
+                    mIsRunning = false;
+                    mTimer.stop();
+                }
+            } else if (mFadeCount < mFadeLimit) {
+                mFadeCount++;
+            }
+        }
+    }
+
+    public void start() {
+        if (mIsRunning) {
+            return;
+        }
+        mIsRunning = true;
+        mIsFadingOut = false;
+        mFadeCount = 0;
+        int fps = 24;
+        int tick = 1000 / fps;
+        mTimer = new Timer(tick, this);
+        mTimer.start();
+    }
+
+    public void stop() {
+        mIsRunning = false;
+        mIsFadingOut = true;
     }
 
 }