From fa25cebed52d48a026ad48463ed7e6170e61ae31 Mon Sep 17 00:00:00 2001
From: Mikkel Jeppesen <2756925+Duckle29@users.noreply.github.com>
Date: Sat, 15 Mar 2025 06:55:20 +0100
Subject: [PATCH] Added getters for graphs ymin and ymax (#8112)

Co-authored-by: guillempages <guillempages@users.noreply.github.com>
---
 esphome/components/graph/graph.cpp | 4 ++++
 esphome/components/graph/graph.h   | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/esphome/components/graph/graph.cpp b/esphome/components/graph/graph.cpp
index cbe059b255..5abf2ade0d 100644
--- a/esphome/components/graph/graph.cpp
+++ b/esphome/components/graph/graph.cpp
@@ -132,6 +132,10 @@ void Graph::draw(Display *buff, uint16_t x_offset, uint16_t y_offset, Color colo
     yrange = ymax - ymin;
   }
 
+  // Store graph limts
+  this->graph_limit_max_ = ymax;
+  this->graph_limit_min_ = ymin;
+
   /// Draw grid
   if (!std::isnan(this->gridspacing_y_)) {
     for (int y = yn; y <= ym; y++) {
diff --git a/esphome/components/graph/graph.h b/esphome/components/graph/graph.h
index 34accb7d3a..468583ca21 100644
--- a/esphome/components/graph/graph.h
+++ b/esphome/components/graph/graph.h
@@ -161,11 +161,15 @@ class Graph : public Component {
   uint32_t get_duration() { return duration_; }
   uint32_t get_width() { return width_; }
   uint32_t get_height() { return height_; }
+  float get_graph_limit_min() { return graph_limit_min_; }
+  float get_graph_limit_max() { return graph_limit_max_; }
 
  protected:
   uint32_t duration_;  /// in seconds
   uint32_t width_;     /// in pixels
   uint32_t height_;    /// in pixels
+  float graph_limit_min_{NAN};
+  float graph_limit_max_{NAN};
   float min_value_{NAN};
   float max_value_{NAN};
   float min_range_{1.0};