20260326

esphome/components/display/rect.h

@@ -0,0 +1,36 @@
+#pragma once
+
+#include "esphome/core/helpers.h"
+
+namespace esphome {
+namespace display {
+
+static const int16_t VALUE_NO_SET = 32766;
+
+class Rect {
+ public:
+  int16_t x;  ///< X coordinate of corner
+  int16_t y;  ///< Y coordinate of corner
+  int16_t w;  ///< Width of region
+  int16_t h;  ///< Height of region
+
+  Rect() : x(VALUE_NO_SET), y(VALUE_NO_SET), w(VALUE_NO_SET), h(VALUE_NO_SET) {}  // NOLINT
+  inline Rect(int16_t x, int16_t y, int16_t w, int16_t h) ESPHOME_ALWAYS_INLINE : x(x), y(y), w(w), h(h) {}
+  inline int16_t x2() const { return this->x + this->w; };  ///< X coordinate of corner
+  inline int16_t y2() const { return this->y + this->h; };  ///< Y coordinate of corner
+
+  inline bool is_set() const ESPHOME_ALWAYS_INLINE { return (this->h != VALUE_NO_SET) && (this->w != VALUE_NO_SET); }
+
+  void expand(int16_t horizontal, int16_t vertical);
+
+  void extend(Rect rect);
+  void shrink(Rect rect);
+
+  bool inside(Rect rect) const;
+  bool inside(int16_t test_x, int16_t test_y, bool absolute = true) const;
+  bool equal(Rect rect) const;
+  void info(const std::string &prefix = "rect info:");
+};
+
+}  // namespace display
+}  // namespace esphome