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Added support for setting the current animation frame (#3681)
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2 changed files with 18 additions and 0 deletions
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@ -591,6 +591,18 @@ void Animation::prev_frame() {
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}
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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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}
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DisplayPage::DisplayPage(display_writer_t writer) : writer_(std::move(writer)) {}
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void DisplayPage::show() { this->parent_->show_page(this); }
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void DisplayPage::show_next() { this->next_->show(); }
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@ -491,6 +491,12 @@ class Animation : public Image {
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void next_frame();
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void prev_frame();
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/** Selects a specific frame within the animation.
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*
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* @param frame If possitive, advance to the frame. If negative, recede to that frame from the end frame.
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*/
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void set_frame(int frame);
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protected:
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int current_frame_;
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int animation_frame_count_;
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