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6aa3092be0
* Split display_buffer sub-components into own files Move the Image, Animation and Font classes to their own h/cpp pairs, instead of having everything into the display_buffer h/cpp files. * Fixed COLOR_ON duplicate definition
70 lines
2.1 KiB
C++
70 lines
2.1 KiB
C++
#include "animation.h"
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#include "esphome/core/hal.h"
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namespace esphome {
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namespace display {
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Animation::Animation(const uint8_t *data_start, int width, int height, uint32_t animation_frame_count, ImageType type)
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: Image(data_start, width, height, type),
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animation_data_start_(data_start),
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current_frame_(0),
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animation_frame_count_(animation_frame_count),
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loop_start_frame_(0),
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loop_end_frame_(animation_frame_count_),
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loop_count_(0),
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loop_current_iteration_(1) {}
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void Animation::set_loop(uint32_t start_frame, uint32_t end_frame, int count) {
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loop_start_frame_ = std::min(start_frame, animation_frame_count_);
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loop_end_frame_ = std::min(end_frame, animation_frame_count_);
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loop_count_ = count;
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loop_current_iteration_ = 1;
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}
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uint32_t Animation::get_animation_frame_count() const { return this->animation_frame_count_; }
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int Animation::get_current_frame() const { return this->current_frame_; }
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void Animation::next_frame() {
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this->current_frame_++;
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if (loop_count_ && this->current_frame_ == loop_end_frame_ &&
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(this->loop_current_iteration_ < loop_count_ || loop_count_ < 0)) {
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this->current_frame_ = loop_start_frame_;
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this->loop_current_iteration_++;
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}
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if (this->current_frame_ >= animation_frame_count_) {
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this->loop_current_iteration_ = 1;
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this->current_frame_ = 0;
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}
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this->update_data_start_();
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}
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void Animation::prev_frame() {
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this->current_frame_--;
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if (this->current_frame_ < 0) {
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this->current_frame_ = this->animation_frame_count_ - 1;
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}
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this->update_data_start_();
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}
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void Animation::set_frame(int frame) {
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unsigned abs_frame = abs(frame);
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if (abs_frame < this->animation_frame_count_) {
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if (frame >= 0) {
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this->current_frame_ = frame;
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} else {
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this->current_frame_ = this->animation_frame_count_ - abs_frame;
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}
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}
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this->update_data_start_();
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}
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void Animation::update_data_start_() {
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const uint32_t image_size = image_type_to_width_stride(this->width_, this->type_) * this->height_;
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this->data_start_ = this->animation_data_start_ + image_size * this->current_frame_;
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}
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} // namespace display
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} // namespace esphome
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