无jira任务 修复GridRow中字符偏上的问题

designer-realize/src/main/java/com/fr/grid/GridRowUI.java

@@ -24,6 +24,7 @@ import java.awt.Dimension;
 import java.awt.Graphics;
 import java.awt.Graphics2D;
 import java.awt.font.FontRenderContext;
+import java.awt.font.TextLayout;
 import java.awt.geom.Rectangle2D;
 
 /**
@@ -31,14 +32,13 @@ import java.awt.geom.Rectangle2D;
  * @since 2012-3-22下午5:54:21
  */
 public class GridRowUI extends ComponentUI {
-    private Color detailsBackground = UIManager.getColor("Center.GridColumnRowColor");
     protected Color editedBackground = UIManager.getColor("Center.GridColumnRowEditedColor");
     protected Color selectedBackground = UIManager.getColor("Center.GridColumnRowSelectedColor");
 
-    private int resolution ;
+    private final int resolution;
 
-    GridRowUI(int resolution){
+    GridRowUI(int resolution) {
-        if (resolution == 0){
+        if (resolution == 0) {
             resolution = DesignerUIModeConfig.getInstance().getScreenResolution();
         }
         this.resolution = resolution;
@@ -49,12 +49,12 @@ public class GridRowUI extends ComponentUI {
         if (!(c instanceof GridRow)) {
             throw new IllegalArgumentException("The component c to paint must be a GridColumn!");
         }
-        Graphics2D g2d = (Graphics2D) g;
+        Graphics2D g2d = (Graphics2D) g.create();
         GridRow gridRow = (GridRow) c;
         ElementCasePane reportPane = gridRow.getElementCasePane();
         // size
         Dimension size = gridRow.getSize();
-        float time = (float)resolution/DesignerUIModeConfig.getInstance().getScreenResolution();
+        float time = (float) resolution / DesignerUIModeConfig.getInstance().getScreenResolution();
         g2d.setFont(gridRow.getFont().deriveFont(gridRow.getFont().getSize2D() * time));
 
         ElementCase elementCase = reportPane.getEditingElementCase();
@@ -135,7 +135,7 @@ public class GridRowUI extends ComponentUI {
                     paintText += "(F)";
                 }
             }
-            drawNormalContent(i, g2d, gridRow, paintText, tmpIncreaseHeight, isSelectedBounds, elementCase, size, tmpHeight1);
+            drawNormalContent(g2d, gridRow, paintText, tmpIncreaseHeight, isSelectedBounds, size, tmpHeight1);
         }
     }
 
@@ -154,16 +154,19 @@ public class GridRowUI extends ComponentUI {
     }
 
 
-    private void drawNormalContent(int i, Graphics2D g2d, GridRow gridRow, String paintText, double tmpIncreaseHeight, boolean isSelectedBounds
+    private void drawNormalContent(Graphics2D g2d, GridRow gridRow, String paintText,
-            , ElementCase elementCase, Dimension size, double tmpHeight1) {
+                                   double increaseHeight, boolean isSelectedBounds,
+                                   Dimension size, double y) {
         // FontMetrics
         FontRenderContext fontRenderContext = g2d.getFontRenderContext();
-        float time = (float)resolution/DesignerUIModeConfig.getInstance().getScreenResolution();
+        float time = (float) resolution / DesignerUIModeConfig.getInstance().getScreenResolution();
-        float fmAscent = GraphHelper.getFontMetrics(gridRow.getFont()).getAscent() * time;
+
         double stringWidth = gridRow.getFont().getStringBounds(paintText, fontRenderContext).getWidth() * time;
-        double stringHeight = gridRow.getFont().getStringBounds(paintText, fontRenderContext).getHeight() * time;
+        // 为了居中获取可视边界
+        Rectangle2D bounds = new TextLayout(paintText, gridRow.getFont(), fontRenderContext).getBounds();
+        double stringHeight = bounds.getHeight() * time;
         // 如果高度太小了就不画了
-        if (stringHeight <= tmpIncreaseHeight + 2) {
+        if (stringHeight <= increaseHeight + 2) {
             if (isSelectedBounds) {
                 g2d.setColor(gridRow.getSelectedForeground());
             } else {
@@ -175,7 +178,9 @@ public class GridRowUI extends ComponentUI {
                 }
             }
 
-            GraphHelper.drawString(g2d, paintText, (size.width - stringWidth) / 2, tmpHeight1 + (tmpIncreaseHeight - stringHeight) / 2 + GridHeader.SIZE_ADJUST / 2 + fmAscent - 2);
+            GraphHelper.drawString(g2d, paintText,
+                    (size.width - stringWidth) / 2,
+                    y + (increaseHeight - stringHeight) / 2.0 + stringHeight);
         }
     }