feat: 添加屏幕去重功能并调整测试用例目录结构

src/backend/output_utils.c

@@ -0,0 +1,56 @@
+#include "backend/output_utils.h"
+
+#include <stddef.h>
+#include <stdint.h>
+
+#include "core/backend.h"
+#include "core/types.h"
+#include "core/wm_desc.h"
+#include "utils.h"
+
+static inline int32_t right(wm_rect_t a) { return a.x + a.width; }
+static inline int32_t bottom(wm_rect_t a) { return a.y + a.height; }
+static inline bool fully_contains(wm_rect_t outer, wm_rect_t inner) {
+  return inner.x >= outer.x && inner.y >= outer.y &&
+         right(inner) <= right(outer) && bottom(inner) <= bottom(outer);
+}
+
+wm_backend_detect_t *output_remove_duplication(const wm_output_info_t *output,
+                                               const size_t count) {
+  if (!output || count < 1) return nullptr;
+
+  bool *remove = p_new(bool, count);
+
+  for (int32_t i = (int32_t)count - 1; i >= 0; i--) {
+    if (remove[i]) continue;
+    for (int32_t j = i - 1; j >= 0; j--) {
+      if (remove[j]) continue;
+      if (fully_contains(output[j].geometry, output[i].geometry)) {
+        remove[i] = true;
+      } else if (fully_contains(output[i].geometry, output[j].geometry)) {
+        remove[j] = true;
+      }
+    }
+  }
+
+  int32_t amount = 0;
+  for (size_t i = 0; i < count; i++) {
+    if (!remove[i]) amount++;
+  }
+  if (!amount) {
+    p_delete(&remove);
+    return nullptr;
+  }
+
+  wm_output_info_t *list = p_new(wm_output_info_t, amount);
+  amount = 0;
+  for (size_t i = 0; i < count; i++) {
+    if (remove[i]) continue;
+    list[amount++] = output[i];
+  }
+  p_delete(&remove);
+  wm_backend_detect_t *detect = p_new(wm_backend_detect_t, 1);
+  detect->outputs = list;
+  detect->output_count = amount;
+  return detect;
+}