Add flip X and Y on inkplate6 component (#7904)

Co-authored-by: Antoine Weill--Duflos <antoine@haply.co>
Co-authored-by: David Sichau <sichau@inf.ethz.ch>
Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
Co-authored-by: David Sichau <DavidSichau@users.noreply.github.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

esphome/components/inkplate6/display.py

@@ -6,9 +6,12 @@ from esphome.const import (
     CONF_FULL_UPDATE_EVERY,
     CONF_ID,
     CONF_LAMBDA,
+    CONF_MIRROR_X,
+    CONF_MIRROR_Y,
     CONF_MODEL,
     CONF_OE_PIN,
     CONF_PAGES,
+    CONF_TRANSFORM,
     CONF_WAKEUP_PIN,
 )
 
@@ -36,7 +39,6 @@ CONF_SPH_PIN = "sph_pin"
 CONF_SPV_PIN = "spv_pin"
 CONF_VCOM_PIN = "vcom_pin"
 
-
 inkplate6_ns = cg.esphome_ns.namespace("inkplate6")
 Inkplate6 = inkplate6_ns.class_(
     "Inkplate6",
@@ -62,6 +64,12 @@ CONFIG_SCHEMA = cv.All(
         {
             cv.GenerateID(): cv.declare_id(Inkplate6),
             cv.Optional(CONF_GREYSCALE, default=False): cv.boolean,
+            cv.Optional(CONF_TRANSFORM): cv.Schema(
+                {
+                    cv.Optional(CONF_MIRROR_X, default=False): cv.boolean,
+                    cv.Optional(CONF_MIRROR_Y, default=False): cv.boolean,
+                }
+            ),
             cv.Optional(CONF_PARTIAL_UPDATING, default=True): cv.boolean,
             cv.Optional(CONF_FULL_UPDATE_EVERY, default=10): cv.uint32_t,
             cv.Optional(CONF_MODEL, default="inkplate_6"): cv.enum(
@@ -126,6 +134,9 @@ async def to_code(config):
         cg.add(var.set_writer(lambda_))
 
     cg.add(var.set_greyscale(config[CONF_GREYSCALE]))
+    if transform := config.get(CONF_TRANSFORM):
+        cg.add(var.set_mirror_x(transform[CONF_MIRROR_X]))
+        cg.add(var.set_mirror_y(transform[CONF_MIRROR_Y]))
     cg.add(var.set_partial_updating(config[CONF_PARTIAL_UPDATING]))
     cg.add(var.set_full_update_every(config[CONF_FULL_UPDATE_EVERY]))
 

esphome/components/inkplate6/inkplate.cpp

@@ -1,7 +1,7 @@
 #include "inkplate.h"
-#include "esphome/core/log.h"
 #include "esphome/core/application.h"
 #include "esphome/core/helpers.h"
+#include "esphome/core/log.h"
 
 #ifdef USE_ESP32_FRAMEWORK_ARDUINO
 
@@ -156,6 +156,12 @@ void HOT Inkplate6::draw_absolute_pixel_internal(int x, int y, Color color) {
   if (x >= this->get_width_internal() || y >= this->get_height_internal() || x < 0 || y < 0)
     return;
 
+  if (this->mirror_y_)
+    y = this->get_height_internal() - y - 1;
+
+  if (this->mirror_x_)
+    x = this->get_width_internal() - x - 1;
+
   if (this->greyscale_) {
     int x1 = x / 2;
     int x_sub = x % 2;

esphome/components/inkplate6/inkplate.h

@@ -1,9 +1,9 @@
 #pragma once
 
+#include "esphome/components/display/display_buffer.h"
+#include "esphome/components/i2c/i2c.h"
 #include "esphome/core/component.h"
 #include "esphome/core/hal.h"
-#include "esphome/components/i2c/i2c.h"
-#include "esphome/components/display/display_buffer.h"
 
 #ifdef USE_ESP32_FRAMEWORK_ARDUINO
 
@@ -92,6 +92,9 @@ class Inkplate6 : public display::DisplayBuffer, public i2c::I2CDevice {
     if (this->is_ready())
       this->initialize_();
   }
+  void set_mirror_y(bool mirror_y) { this->mirror_y_ = mirror_y; }
+  void set_mirror_x(bool mirror_x) { this->mirror_x_ = mirror_x; }
+
   void set_partial_updating(bool partial_updating) { this->partial_updating_ = partial_updating; }
   void set_full_update_every(uint32_t full_update_every) { this->full_update_every_ = full_update_every; }
 
@@ -221,6 +224,8 @@ class Inkplate6 : public display::DisplayBuffer, public i2c::I2CDevice {
 
   bool block_partial_{true};
   bool greyscale_;
+  bool mirror_y_{false};
+  bool mirror_x_{false};
   bool partial_updating_;
 
   InkplateModel model_;