mirror of https://github.com/esphome/esphome.git
68 lines
2.0 KiB
C++
68 lines
2.0 KiB
C++
#include "addressable_light_display.h"
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#include "esphome/core/log.h"
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namespace esphome {
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namespace addressable_light {
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static const char *TAG = "addressable_light.display";
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int AddressableLightDisplay::get_width_internal() { return this->width_; }
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int AddressableLightDisplay::get_height_internal() { return this->height_; }
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void AddressableLightDisplay::setup() {
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this->addressable_light_buffer_.resize(this->width_ * this->height_, {0, 0, 0, 0});
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}
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void AddressableLightDisplay::update() {
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if (!this->enabled_)
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return;
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this->do_update_();
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this->display();
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}
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void AddressableLightDisplay::display() {
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bool dirty = false;
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uint8_t old_r, old_g, old_b, old_w;
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Color *c;
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for (uint32_t offset = 0; offset < this->addressable_light_buffer_.size(); offset++) {
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c = &(this->addressable_light_buffer_[offset]);
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light::ESPColorView pixel = (*this->light_)[offset];
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// Track the original values for the pixel view. If it has changed updating, then
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// we trigger a redraw. Avoiding redraws == avoiding flicker!
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old_r = pixel.get_red();
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old_g = pixel.get_green();
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old_b = pixel.get_blue();
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old_w = pixel.get_white();
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pixel.set_rgbw(c->r, c->g, c->b, c->w);
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// If the actual value of the pixel changed, then schedule a redraw.
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if (pixel.get_red() != old_r || pixel.get_green() != old_g || pixel.get_blue() != old_b ||
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pixel.get_white() != old_w) {
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dirty = true;
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}
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}
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if (dirty) {
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this->light_->schedule_show();
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}
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}
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void HOT AddressableLightDisplay::draw_absolute_pixel_internal(int x, int y, Color color) {
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if (x >= this->get_width_internal() || x < 0 || y >= this->get_height_internal() || y < 0)
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return;
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if (this->pixel_mapper_f_.has_value()) {
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// Params are passed by reference, so they may be modified in call.
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this->addressable_light_buffer_[(*this->pixel_mapper_f_)(x, y)] = color;
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} else {
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this->addressable_light_buffer_[y * this->get_width_internal() + x] = color;
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}
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}
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} // namespace addressable_light
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} // namespace esphome
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