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added prev_frame for animation (#3427)

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LuBeDa 2022-05-10 11:56:29 +02:00 committed by GitHub
parent 7cba0c6fb0
commit 69118120d9
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2 changed files with 7 additions and 0 deletions
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6
esphome/components/display/display_buffer.cpp
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@ -584,6 +584,12 @@ void Animation::next_frame() {
this->current_frame_ = 0; this->current_frame_ = 0;
} }
} }
void Animation::prev_frame() {
this->current_frame_--;
if (this->current_frame_ < 0) {
this->current_frame_ = this->animation_frame_count_ - 1;
}
}
DisplayPage::DisplayPage(display_writer_t writer) : writer_(std::move(writer)) {} DisplayPage::DisplayPage(display_writer_t writer) : writer_(std::move(writer)) {}
void DisplayPage::show() { this->parent_->show_page(this); } void DisplayPage::show() { this->parent_->show_page(this); }

1
esphome/components/display/display_buffer.h
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@ -478,6 +478,7 @@ class Animation : public Image {
int get_animation_frame_count() const; int get_animation_frame_count() const;
int get_current_frame() const; int get_current_frame() const;
void next_frame(); void next_frame();
void prev_frame();
protected: protected:
int current_frame_; int current_frame_;