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https://github.com/esphome/esphome.git
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1691c13b47
* display: `Rect` make most of methods `const` * display: add `clip` and `clamp_x/y_` methods for clipping to `Display`
98 lines
2.6 KiB
C++
98 lines
2.6 KiB
C++
#include "rect.h"
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#include "esphome/core/log.h"
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namespace esphome {
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namespace display {
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static const char *const TAG = "display";
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void Rect::expand(int16_t horizontal, int16_t vertical) {
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if (this->is_set() && (this->w >= (-2 * horizontal)) && (this->h >= (-2 * vertical))) {
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this->x = this->x - horizontal;
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this->y = this->y - vertical;
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this->w = this->w + (2 * horizontal);
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this->h = this->h + (2 * vertical);
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}
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}
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void Rect::extend(Rect rect) {
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if (!this->is_set()) {
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this->x = rect.x;
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this->y = rect.y;
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this->w = rect.w;
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this->h = rect.h;
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} else {
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if (this->x > rect.x) {
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this->w = this->w + (this->x - rect.x);
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this->x = rect.x;
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}
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if (this->y > rect.y) {
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this->h = this->h + (this->y - rect.y);
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this->y = rect.y;
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}
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if (this->x2() < rect.x2()) {
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this->w = rect.x2() - this->x;
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}
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if (this->y2() < rect.y2()) {
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this->h = rect.y2() - this->y;
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}
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}
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}
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void Rect::shrink(Rect rect) {
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if (!this->inside(rect)) {
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(*this) = Rect();
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} else {
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if (this->x2() > rect.x2()) {
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this->w = rect.x2() - this->x;
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}
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if (this->x < rect.x) {
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this->w = this->w + (this->x - rect.x);
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this->x = rect.x;
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}
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if (this->y2() > rect.y2()) {
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this->h = rect.y2() - this->y;
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}
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if (this->y < rect.y) {
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this->h = this->h + (this->y - rect.y);
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this->y = rect.y;
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}
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}
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}
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bool Rect::equal(Rect rect) const {
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return (rect.x == this->x) && (rect.w == this->w) && (rect.y == this->y) && (rect.h == this->h);
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}
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bool Rect::inside(int16_t test_x, int16_t test_y, bool absolute) const { // NOLINT
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if (!this->is_set()) {
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return true;
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}
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if (absolute) {
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return ((test_x >= this->x) && (test_x <= this->x2()) && (test_y >= this->y) && (test_y <= this->y2()));
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} else {
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return ((test_x >= 0) && (test_x <= this->w) && (test_y >= 0) && (test_y <= this->h));
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}
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}
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bool Rect::inside(Rect rect, bool absolute) const {
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if (!this->is_set() || !rect.is_set()) {
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return true;
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}
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if (absolute) {
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return ((rect.x <= this->x2()) && (rect.x2() >= this->x) && (rect.y <= this->y2()) && (rect.y2() >= this->y));
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} else {
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return ((rect.x <= this->w) && (rect.w >= 0) && (rect.y <= this->h) && (rect.h >= 0));
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}
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}
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void Rect::info(const std::string &prefix) {
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if (this->is_set()) {
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ESP_LOGI(TAG, "%s [%3d,%3d,%3d,%3d] (%3d,%3d)", prefix.c_str(), this->x, this->y, this->w, this->h, this->x2(),
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this->y2());
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} else
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ESP_LOGI(TAG, "%s ** IS NOT SET **", prefix.c_str());
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}
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} // namespace display
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} // namespace esphome
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