tip of the day

megamek/src/megamek/client/ui/swing/util/UIUtil.java

@@ -18,6 +18,7 @@
 import java.awt.event.FocusEvent;
 import java.awt.event.FocusListener;
 import java.awt.event.MouseEvent;
+import java.awt.geom.AffineTransform;
 import java.awt.image.ImageObserver;
 import java.net.URL;
 import java.util.ArrayList;
@@ -41,6 +42,8 @@ public final class UIUtil {
 
     // The standard pixels-per-inch to compare against for display scaling
     private static final int DEFAULT_DISPLAY_PPI = 96;
+    private static final int REFERENCE_RESOLUTION_HEIGHT = 1080;
+    private static final double MINIMUM_RESOLUTION_SCALE_FACTOR = 0.7f;
 
     /**
      * The width for a tooltip displayed to the side of a dialog using one of TipXX classes.
@@ -492,11 +495,74 @@ public static int getScaledScreenHeight(DisplayMode currentMonitor) {
         return DEFAULT_DISPLAY_PPI * monitorH / pixelPerInch;
     }
 
+    /**
+     * Gets the DPI scale factor for the monitor containing the specified component
+     * 
+     * @param component The component to check
+     * @return The DPI scale factor for the containing monitor
+     */
+    public static double getMonitorScaleFactor(Component component) {
+        // Get the GraphicsConfiguration for the monitor containing this component
+        GraphicsConfiguration gc = (component != null) ? component.getGraphicsConfiguration() : null;
+        if (gc == null) {
+            return getDpiScaleFactor(component); //fallback
+        }
+        // Calculate the DPI scale for this specific monitor
+        AffineTransform transform = gc.getDefaultTransform();
+        return transform.getScaleX();
+    }
+
+    /**
+     * Gets the resolution scale factor for the monitor containing the specified component. 
+     * Baseline is 1080p (1920x1080).
+     * 
+     * @param component The component to check
+     * @return The resolution scale factor for the containing monitor
+     */
+    public static double getResolutionScaleFactor(Component component) {
+        final Dimension logicalScreenSize = UIUtil.getScaledScreenSize(component);
+        return Math.max(MINIMUM_RESOLUTION_SCALE_FACTOR, logicalScreenSize.height / REFERENCE_RESOLUTION_HEIGHT);
+    }
+    /**
+     * Calculate the DPI scale factor for a component
+     * 
+     * @param component The component to get scaling information from
+     * @return The scaling factor based on DPI
+     */
+    public static float getDpiScaleFactor(Component component) {
+        GraphicsConfiguration gc = null;
+        if (component != null) {
+            gc = component.getGraphicsConfiguration();
+        }
+        if (gc == null) {
+            // Fallback to default GraphicsEnvironment if component doesn't have a GraphicsConfiguration
+            gc = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice().getDefaultConfiguration();
+        }
+        // Get screen resolution
+        int dpi = Toolkit.getDefaultToolkit().getScreenResolution();
+        // Calculate scale factor (compared to reference 96 DPI)
+        return (float) dpi / DEFAULT_DISPLAY_PPI;
+    }
+
     /**
      * @return The height of the screen taking into account display scaling
      */
     public static Dimension getScaledScreenSize(Component component) {
-        return getScaledScreenSize(component.getGraphicsConfiguration().getDevice().getDisplayMode());
+        GraphicsConfiguration gc = null;
+        if (component != null) {
+            gc = component.getGraphicsConfiguration();
+        }
+        if (gc == null) {
+            try {
+                gc = GraphicsEnvironment.getLocalGraphicsEnvironment()
+                    .getDefaultScreenDevice()
+                    .getDefaultConfiguration();
+            } catch (HeadlessException e) {
+                return new Dimension(800, 600); 
+            }
+        }
+        Rectangle bounds = gc.getBounds();
+        return new Dimension(bounds.width, bounds.height);
     }
 
     /**
@@ -543,9 +609,7 @@ public static Image constrainImageSize(Image image, ImageObserver observer, int
     public static JLabel createSplashComponent(TreeMap<Integer, String> multiResImageMap, Component parent) {
         // Use the current monitor so we don't "overflow" computers whose primary
         // displays aren't as large as their secondary displays.
-        Dimension scaledMonitorSize = getScaledScreenSize(parent.getGraphicsConfiguration()
-                                                                .getDevice()
-                                                                .getDisplayMode());
+        Dimension scaledMonitorSize = getScaledScreenSize(parent);
         Image imgSplash = parent.getToolkit().getImage(multiResImageMap.floorEntry(scaledMonitorSize.width).getValue());
 
         // wait for splash image to load completely
@@ -569,9 +633,7 @@ public static JLabel createSplashComponent(TreeMap<Integer, String> multiResImag
     public static JLabel createSplashComponent(String imgSplashFile, Component parent) {
         // Use the current monitor so we don't "overflow" computers whose primary
         // displays aren't as large as their secondary displays.
-        Dimension scaledMonitorSize = getScaledScreenSize(parent.getGraphicsConfiguration()
-                                                                .getDevice()
-                                                                .getDisplayMode());
+        Dimension scaledMonitorSize = getScaledScreenSize(parent);
 
         Image imgSplash = parent.getToolkit().getImage(imgSplashFile);
 

megamek/src/megamek/common/util/TipOfTheDay.java

@@ -0,0 +1,246 @@
+/*
+ * Copyright (c) 2025 - The MegaMek Team. All Rights Reserved.
+ *
+ * This file is part of MegaMek.
+ *
+ * MegaMek is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * MegaMek 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with MegaMek. If not, see <http://www.gnu.org/licenses/>.
+ */
+package megamek.common.util;
+
+import java.awt.BasicStroke;
+import java.awt.Color;
+import java.awt.Component;
+import java.awt.Dimension;
+import java.awt.Font;
+import java.awt.Graphics2D;
+import java.awt.Rectangle;
+import java.awt.RenderingHints;
+import java.awt.Shape;
+import java.awt.font.FontRenderContext;
+import java.awt.font.LineBreakMeasurer;
+import java.awt.font.TextAttribute;
+import java.awt.font.TextLayout;
+import java.awt.geom.AffineTransform;
+import java.text.AttributedString;
+import java.time.LocalDate;
+import java.util.ArrayList;
+import java.util.List;
+
+import megamek.client.ui.swing.util.UIUtil;
+import megamek.client.ui.swing.widget.SkinSpecification;
+import megamek.client.ui.swing.widget.SkinSpecification.UIComponents;
+import megamek.client.ui.swing.widget.SkinXMLHandler;
+import megamek.common.internationalization.Internationalization;
+
+/**
+ * @author Drake
+ * 
+ * Provides a daily/random tip functionality
+ */
+public class TipOfTheDay {
+    // Enum for positioning the tip text
+    public enum Position {
+        TOP_BORDER,
+        BOTTOM_BORDER
+    }
+
+    private static final String TIP_BUNDLE_KEY = "TipOfTheDay.tip.";
+    private static final String TIP_BUNDLE_TITLE_KEY = "TipOfTheDay.title.text";
+    private static final int TIP_BORDER_MARGIN = 40;
+    private static final int TIP_SIDE_PADDING = 20;
+    private static final float TIP_TITLE_FONT_SIZE = 14f;
+    private static final float TIP_FONT_SIZE = 18f;
+    private static final float STROKE_WIDTH = 3.0f;
+    private static final Color TIP_STROKE_COLOR = Color.BLACK;
+    private static final Color TIP_TITLE_FONT_COLOR = Color.WHITE;
+    private static final Color TIP_FONT_COLOR = Color.WHITE;
+    private final String bundleName;
+    private final int countTips;
+    private final String tipOfTheDay;
+    private final String tipLabel;
+    private Font tipFont;
+    private Font tipLabelFont;
+    private float scaleFactor;
+
+    /**
+     * Constructor for TipOfTheDay
+     * 
+     * @param bundleName The name of the resource bundle containing the tips
+     * @param referenceComponent A component to determine scaling
+     */
+    public TipOfTheDay(String bundleName, Component referenceComponent) {
+        this.bundleName = bundleName;
+        countTips = countTips();
+        tipLabel = Internationalization.getTextAt(bundleName, TIP_BUNDLE_TITLE_KEY);
+        tipOfTheDay = getRandomTip();
+        updateScaleFactor(referenceComponent);
+    }
+
+    /**
+     * Updates the scale factor and adjusts the font sizes accordingly.
+     * 
+     * @param referenceComponent A component to determine scaling
+     */
+    public void updateScaleFactor(Component referenceComponent) {
+        scaleFactor = (float) UIUtil.getResolutionScaleFactor(referenceComponent);
+        SkinSpecification skinSpec = SkinXMLHandler.getSkin(UIComponents.MainMenuBorder.getComp(), true);
+        Font baseFont = new Font(skinSpec.fontName, Font.PLAIN, skinSpec.fontSize);
+        tipLabelFont = baseFont.deriveFont(Font.BOLD, TIP_TITLE_FONT_SIZE * scaleFactor); // Tip title font
+        tipFont = baseFont.deriveFont(Font.BOLD, TIP_FONT_SIZE * scaleFactor); // Tip font
+    }
+
+    /**
+     * Count the number of tips in the resource bundle
+     */
+    private int countTips() {
+        int count = 0;
+        try {
+            while (true) {
+                count++;
+                String tip = Internationalization.getTextAt(bundleName, TIP_BUNDLE_KEY + count);
+                if (tip.startsWith("!") && tip.endsWith("!")) {
+                    return count - 1;
+                }
+            }
+        } catch (Exception e) {
+            // When we get an exception, we've found all tips
+            return count - 1;
+        }
+    }
+
+    /**
+     * Gets the tip for today based on the current date
+     * 
+     * @return A tip string for today
+     */
+    public String getTodaysTip() {
+        LocalDate today = LocalDate.now();
+        int dayOfYear = today.getDayOfYear();
+        int tipIndex = (dayOfYear % countTips) + 1;
+        return Internationalization.getTextAt(bundleName, TIP_BUNDLE_KEY + tipIndex);
+    }
+
+    /**
+     * Gets a random tip from the list
+     * 
+     * @return A random tip string
+     */
+    public String getRandomTip() {
+        int randomIndex = (int) (Math.random() * countTips) + 1;
+        return Internationalization.getTextAt(bundleName, TIP_BUNDLE_KEY + randomIndex);
+    }
+
+    /**
+     * Draws the Tip of the Day text with word wrap and styling.
+     */
+    public void drawTipOfTheDay(Graphics2D graphics2D, Rectangle referenceBounds, Position position) {
+        if (tipOfTheDay == null || tipOfTheDay.isEmpty() || tipLabelFont == null || tipFont == null) {
+            return;
+        }
+        if (referenceBounds == null || referenceBounds.width <= 0 || referenceBounds.height <= 0) {
+            return; // Cannot draw if referenceBounds is invalid
+        }
+        float availableWidth = referenceBounds.width - (TIP_SIDE_PADDING * 2);
+        if (availableWidth <= 0)
+            return; // Not enough space to draw
+
+        Graphics2D tipGraphics = (Graphics2D) graphics2D.create();
+
+        try {
+            tipGraphics.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
+            tipGraphics.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
+            tipGraphics.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
+            tipGraphics.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_PURE);
+
+            FontRenderContext frc = tipGraphics.getFontRenderContext();
+
+            // "Tip of the Day:" label
+            AttributedString labelAS = new AttributedString(tipLabel);
+            labelAS.addAttribute(TextAttribute.FONT, tipLabelFont);
+            TextLayout labelLayout = new TextLayout(labelAS.getIterator(), frc);
+            float labelHeight = labelLayout.getAscent() + labelLayout.getDescent() + labelLayout.getLeading();
+            float labelWidth = (float) labelLayout.getBounds().getWidth();
+
+            // Actual tip text with word wrapping
+            AttributedString tipAS = new AttributedString(tipOfTheDay);
+            tipAS.addAttribute(TextAttribute.FONT, tipFont);
+            LineBreakMeasurer measurer = new LineBreakMeasurer(tipAS.getIterator(), frc);
+            List<TextLayout> tipLayouts = new ArrayList<>();
+            float totalTipHeight = 0;
+            measurer.setPosition(0);
+            while (measurer.getPosition() < tipAS.getIterator().getEndIndex()) {
+                TextLayout layout = measurer.nextLayout(availableWidth);
+                if (layout != null) {
+                    tipLayouts.add(layout);
+                    totalTipHeight += layout.getAscent() + layout.getDescent() + layout.getLeading();
+                } else {
+                    break; // Should not happen with LineBreakMeasurer unless width is tiny
+                }
+                if (measurer.getPosition() == layout.getCharacterCount() + measurer.getPosition()
+                        && measurer.getPosition() < tipAS.getIterator().getEndIndex()) {
+                    break;
+                }
+            }
+
+            // Positioning// Positioning
+            float totalBlockHeight = labelHeight + totalTipHeight;
+            float startY;
+            if (position == Position.BOTTOM_BORDER) {
+                startY = referenceBounds.y + referenceBounds.height - (TIP_BORDER_MARGIN * scaleFactor) - totalBlockHeight;
+            } else {
+                startY = referenceBounds.y + (TIP_BORDER_MARGIN * scaleFactor);
+            }
+            float startX = referenceBounds.x + TIP_SIDE_PADDING;
+
+            // Draw the text (outline then fill)
+            BasicStroke outlineStroke = new BasicStroke(STROKE_WIDTH * scaleFactor, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND);
+            tipGraphics.setStroke(outlineStroke);
+
+            // Draw Label
+            float labelDrawX = startX + (availableWidth - labelWidth) / 2; // Center label
+            float labelDrawY = startY + labelLayout.getAscent();
+            Shape labelShape = labelLayout.getOutline(null);
+
+            tipGraphics.translate(labelDrawX, labelDrawY);
+            tipGraphics.setColor(TIP_STROKE_COLOR);
+            tipGraphics.draw(labelShape); // Draw outline
+            tipGraphics.setColor(TIP_TITLE_FONT_COLOR); // Fill color
+            tipGraphics.fill(labelShape); // Draw fill
+            tipGraphics.translate(-labelDrawX, -labelDrawY); // Translate back
+
+            // Draw Tip Lines
+            float currentY = startY + labelHeight; // Start drawing tips below the label
+            for (TextLayout tipLayout : tipLayouts) {
+                float lineAscent = tipLayout.getAscent();
+                float lineHeight = lineAscent + tipLayout.getDescent() + tipLayout.getLeading();
+                float lineDrawY = currentY + lineAscent; // Baseline for this line
+                float lineWidth = (float) tipLayout.getBounds().getWidth();
+
+                float lineDrawX = startX + (availableWidth - lineWidth) / 2f; // Center line
+                lineDrawX = Math.max(startX, lineDrawX); // Ensure it doesn't go out of bounds
+                Shape tipShape = tipLayout.getOutline(AffineTransform.getTranslateInstance(lineDrawX, lineDrawY));
+                tipGraphics.setColor(TIP_STROKE_COLOR); // Outline color
+                tipGraphics.draw(tipShape); // Draw outline
+                tipGraphics.setColor(TIP_FONT_COLOR); // Fill color
+                tipGraphics.fill(tipShape); // Draw fill
+
+                currentY += lineHeight;
+            }
+
+        } finally {
+            tipGraphics.dispose();
+        }
+    }
+
+}