Merge pull request #1815 in CORE/base-third from feature/10.0 to research/10.0

* commit '41556ee6f916d4a6bedb7beb38aae99b7835dd7a':
  REPORT-47816 在某些字体、字号下，导出pdf文字会有一个黑边（REPORT-29126 改动导致）

fine-itext-old/src/main/java/com/fr/third/com/lowagie/text/pdf/PdfGraphics2D.java

@@ -434,22 +434,22 @@ public class PdfGraphics2D extends Graphics2D {
                     if (strokeWidth != 1) {
                         cb.setLineWidth(strokeWidth);
                         oldStroke = new BasicStroke(strokeWidth);
-                        if(realPaint instanceof Color){
-                            Color color = (Color)realPaint;
-                            int alpha = color.getAlpha();
-                            if (alpha != currentStrokeGState) {
-                                currentStrokeGState = alpha;
-                                PdfGState gs = strokeGState[alpha];
-                                if (gs == null) {
-                                    gs = new PdfGState();
-                                    gs.setStrokeOpacity(alpha / 255f);
-                                    strokeGState[alpha] = gs;
-                                }
-                                cb.setGState(gs);
+                    }
+                    if (realPaint instanceof Color) {
+                        Color color = (Color) realPaint;
+                        int alpha = color.getAlpha();
+                        if (alpha != currentStrokeGState) {
+                            currentStrokeGState = alpha;
+                            PdfGState gs = strokeGState[alpha];
+                            if (gs == null) {
+                                gs = new PdfGState();
+                                gs.setStrokeOpacity(alpha / 255f);
+                                strokeGState[alpha] = gs;
                             }
-                            paintStroke = color;
-                            cb.setColorStroke(color);
+                            cb.setGState(gs);
                         }
+                        paintStroke = color;
+                        cb.setColorStroke(color);
                     }
                     restoreTextRenderingMode = true;
                 }