2026年7月16日 缓存

scene/ItemCommon.cpp

@@ -55,8 +55,8 @@ static QImage renderDataMatrix(const unsigned char *grid, int cols, int rows, in
         return QImage();
     }
 
-    int width = cols * moduleSize;
-    int height = rows * moduleSize;
+    int width = rows * moduleSize;
+    int height = cols * moduleSize;
     QImage image(width, height, QImage::Format_ARGB32);
     image.fill(background);
 
@@ -64,8 +64,8 @@ static QImage renderDataMatrix(const unsigned char *grid, int cols, int rows, in
         for (int x = 0; x < cols; ++x) {
             bool bit = (grid[y * cols + x] & 0x01) != 0;
             QRgb color = bit ? foreground : background;
-            int px = x * moduleSize;
-            int py = y * moduleSize;
+            int px = y * moduleSize;
+            int py = (cols - 1 - x) * moduleSize;
             for (int dy = 0; dy < moduleSize; ++dy) {
                 for (int dx = 0; dx < moduleSize; ++dx) {
                     image.setPixel(px + dx, py + dy, color);
@@ -573,6 +573,8 @@ QImage ItemUtils::txtToImage(const QString &txt, const QFont &font, const QColor
     painter.drawText(img.rect(), txt);
     painter.end();
 
+    return img;
+    
     // 按背景色裁剪，使输出图像紧贴文字像素的最小包围盒（详见函数注释）
     return clipTxtImage(img, bgRgb);
-}
+}