feat: 边框判断优化

Author: liuyueyi

plugins/image-plugin/src/main/java/com/github/hui/quick/plugin/image/wrapper/pixel/model/PixelStyleEnum.java

@@ -120,7 +120,17 @@ public void render(Graphics2D g2d, BufferedImage source, ImgPixelOptions options
                 g2d.setFont(options.getFont());
             }
 
-            if (options.getBgPredicate().test(source.getRGB(x, y))) {
+            int blockSize = options.getBlockSize();
+            int[] colors = ImgPixelHelper.getPixels(source, x, y, blockSize, blockSize);
+            boolean allBg = true;
+            for (int i = 0; i < colors.length; i++) {
+                if (!options.getBgPredicate().test(colors[i])) {
+                    // 这个区域内全部都是背景时，才表示为背景图
+                    allBg = false;
+                    break;
+                }
+            }
+            if (allBg) {
                 // 背景，直接跳过
                 PixelContextHolder.addChar(y, options.getBgChar());
                 return;

plugins/image-plugin/src/test/java/com/github/hui/quick/plugin/test/pixel/Icon2PixelTest.java

@@ -20,8 +20,7 @@
  */
 public class Icon2PixelTest {
 
-    public static List<String> toStr(String path, String file) {
-        int blockSize = 6;
+    public static List<String> toStr(String path, String file, int blockSize) {
         while (true) {
             if (!path.endsWith("/")) path += "/";
             String img = path + file;
@@ -141,12 +140,16 @@ private static void saveToFile(String path, String file, List<String> s) throws
     public void testBorderOut() throws Exception {
         String absPath = "d://quick-media/pixel-in/";
         String in = "day";
+        // icon 对应的是6
+        int blockSize = 6;
+        // 复杂图，对应大一点
+        blockSize = 26;
         File file = new File(absPath + in);
         int index = 1;
         for (File f : file.listFiles()) {
             String fName = f.getName();
             System.out.println(">>>>>>" + fName);
-            List<String> s = toStr(absPath + in, fName);
+            List<String> s = toStr(absPath + in, fName, blockSize);
             preview(s);
             saveToFile(absPath + "out", "lvl" + index, s);
             index += 1;