rect.cpp

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#include "rect.h"
 
#include "esphome/core/log.h"
 
namespace esphome::display {
 
static const char *const TAG = "display";
 
void Rect::expand(int16_t horizontal, int16_t vertical) {
  if (this->is_set() && (this->w >= (-2 * horizontal)) && (this->h >= (-2 * vertical))) {
    this->x = this->x - horizontal;
    this->y = this->y - vertical;
    this->w = this->w + (2 * horizontal);
    this->h = this->h + (2 * vertical);
  }
}
 
void Rect::extend(Rect rect) {
  if (!this->is_set()) {
    this->x = rect.x;
    this->y = rect.y;
    this->w = rect.w;
    this->h = rect.h;
  } else {
    if (this->x > rect.x) {
      this->w = this->w + (this->x - rect.x);
      this->x = rect.x;
    }
    if (this->y > rect.y) {
      this->h = this->h + (this->y - rect.y);
      this->y = rect.y;
    }
    if (this->x2() < rect.x2()) {
      this->w = rect.x2() - this->x;
    }
    if (this->y2() < rect.y2()) {
      this->h = rect.y2() - this->y;
    }
  }
}
void Rect::shrink(Rect rect) {
  if (!this->inside(rect)) {
    (*this) = Rect();
  } else {
    if (this->x2() > rect.x2()) {
      this->w = rect.x2() - this->x;
    }
    if (this->x < rect.x) {
      this->w = this->w + (this->x - rect.x);
      this->x = rect.x;
    }
    if (this->y2() > rect.y2()) {
      this->h = rect.y2() - this->y;
    }
    if (this->y < rect.y) {
      this->h = this->h + (this->y - rect.y);
      this->y = rect.y;
    }
  }
}
 
bool Rect::equal(Rect rect) const {
  return (rect.x == this->x) && (rect.w == this->w) && (rect.y == this->y) && (rect.h == this->h);
}
 
bool Rect::inside(int16_t test_x, int16_t test_y, bool absolute) const {  // NOLINT
  if (!this->is_set()) {
    return true;
  }
  if (absolute) {
    return test_x >= this->x && test_x < this->x2() && test_y >= this->y && test_y < this->y2();
  }
  return test_x >= 0 && test_x < this->w && test_y >= 0 && test_y < this->h;
}
 
bool Rect::inside(Rect rect) const {
  if (!this->is_set() || !rect.is_set()) {
    return true;
  }
  return this->x2() >= rect.x && this->x <= rect.x2() && this->y2() >= rect.y && this->y <= rect.y2();
}
 
void Rect::info(const std::string &prefix) {
  if (this->is_set()) {
    ESP_LOGI(TAG, "%s [%3d,%3d,%3d,%3d] (%3d,%3d)", prefix.c_str(), this->x, this->y, this->w, this->h, this->x2(),
             this->y2());
  } else {
    ESP_LOGI(TAG, "%s ** IS NOT SET **", prefix.c_str());
  }
}
 
}  // namespace esphome::display