87 lines
2.5 KiB
C++
87 lines
2.5 KiB
C++
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#include "PixelariumGallery.hpp"
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#include <format>
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#include "app_resources_default.h"
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#include "imgui.h"
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using namespace pixelarium::application;
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void PixelariumImageGallery::RenderGallery()
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{
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ImGui::SetNextWindowSize(ImVec2(300, 550));
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ImGui::Begin(SHOWIMAGEGALLERY, &this->image_listp_);
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// this updates the render collection
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// essentially deleting render views that were
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// marked for deletion
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this->render_manager_->UpdateCollection();
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static size_t selected_index{0};
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int highlight_index{-1};
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if (ImGui::BeginListBox("Image List", ImVec2(200, 400)))
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{
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pool_.EnumerateResources(
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[&](size_t id, size_t idx, const imaging::IPixelariumImage& img) -> void
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{
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const bool is_selected = selected_index == idx;
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if (ImGui::Selectable(std::format("{}", img.Name()).c_str(), is_selected))
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{
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selected_index = idx;
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this->selected_image_ = id;
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}
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if (highlight_index && ImGui::IsItemHovered()) highlight_index = idx;
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if (is_selected) ImGui::SetItemDefaultFocus();
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});
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ImGui::EndListBox();
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}
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ImGui::Checkbox(AUTOSHOWSELECTED, &this->auto_show_selectd_image_);
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ImGui::SameLine(); // put the button next to the checkbox
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// note that the button will only show when the checkbox is toggled off
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// this is intended behavior as the selected image will render automatically
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// when the checkbox is toggled on
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if (this->auto_show_selectd_image_ || ImGui::Button(OPENIMAGE))
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{
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// Try add the selected index to the manager
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this->render_manager_->Add(this->selected_image_);
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}
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if (ImGui::Button(LOADIMAGE))
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{
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this->load_image_();
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}
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if (ImGui::Button(REMOVEIMAGE))
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{
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this->render_manager_->MarkForDeletion(this->selected_image_);
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this->pool_.DeleteResource(this->selected_image_);
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}
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ImGui::SameLine();
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if (ImGui::Button(CLEARALL))
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{
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this->render_manager_->Clear();
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this->pool_.Clear();
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}
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ImGui::End(); // end gallery window
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}
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void PixelariumImageGallery::RenderImages()
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{
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this->render_manager_->Enumerate(
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[&](resources::ResourceKey key, render::RenderImageStateWrapper& render_state)
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{
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render_state.view->ShowImage();
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if (!*render_state.view->GetStatus())
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{
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this->render_manager_->MarkForDeletion(key);
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}
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});
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}
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