mirror of https://github.com/axmolengine/axmol.git
728 lines
22 KiB
C++
728 lines
22 KiB
C++
#include "ImGuiPresenter.h"
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#include <assert.h>
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#if (AX_TARGET_PLATFORM == AX_PLATFORM_ANDROID)
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#include "imgui_impl_ax_android.h"
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#else
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#include "imgui_impl_ax.h"
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#endif
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#include "imgui_internal.h"
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// TODO: mac metal
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#if defined(AX_USE_GL) && defined(AX_PLATFORM_PC)
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# define AX_IMGUI_ENABLE_MULTI_VIEWPORT 1
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#else
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# define AX_IMGUI_ENABLE_MULTI_VIEWPORT 0
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#endif
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NS_AX_EXT_BEGIN
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static uint32_t fourccValue(std::string_view str)
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{
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if (str.empty() || str[0] != '#')
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return (uint32_t)-1;
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uint32_t value = 0;
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memcpy(&value, str.data() + 1, std::min(sizeof(value), str.size() - 1));
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return value;
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}
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class ImGuiEventTracker
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{
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public:
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virtual ~ImGuiEventTracker() {}
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};
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// Track scene event and check whether routed to the scene graph
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class ImGuiSceneEventTracker : public ImGuiEventTracker
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{
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public:
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bool initWithScene(Scene* scene)
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{
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#ifdef AX_PLATFORM_PC
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_trackLayer = utils::newInstance<Node>(&Node::initLayer);
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// note: when at the first click to focus the window, this will not take effect
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auto listener = EventListenerTouchOneByOne::create();
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listener->setSwallowTouches(true);
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listener->onTouchBegan = [this](Touch* touch, Event*) -> bool { return ImGui::GetIO().WantCaptureMouse; };
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_trackLayer->getEventDispatcher()->addEventListenerWithSceneGraphPriority(listener, _trackLayer);
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// add by halx99
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auto stopAnyMouse = [=](EventMouse* event) {
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if (ImGui::GetIO().WantCaptureMouse)
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{
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event->stopPropagation();
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}
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};
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auto mouseListener = EventListenerMouse::create();
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mouseListener->onMouseDown = mouseListener->onMouseUp = stopAnyMouse;
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_trackLayer->getEventDispatcher()->addEventListenerWithSceneGraphPriority(mouseListener, _trackLayer);
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scene->addChild(_trackLayer, INT_MAX);
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#endif
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// add an empty sprite to avoid render problem
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// const auto sp = Sprite::create();
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// sp->setGlobalZOrder(1);
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// sp->setOpacity(0);
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// addChild(sp, 1);
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/*
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* There a 3 choice for schedule frame for ImGui render loop
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* a. at visit/draw to call beginFrame/endFrame, but at ImGui loop, we can't game object and add to Scene
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* directly, will cause damage iterator b. scheduleUpdate at onEnter to call beginFrame, at visit/draw to call
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* endFrame, it's solve iterator damage problem, but when director is paused the director will stop call
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* 'update' function of Scheduler And need modify engine code to call _scheduler->update(_deltaTime) even
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* director is paused, pass 0 for update c. Director::EVENT_BEFORE_DRAW call beginFrame, EVENT_AFTER_VISIT call
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* endFrame
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*/
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return true;
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}
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~ImGuiSceneEventTracker()
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{
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#ifdef AX_PLATFORM_PC
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if (_trackLayer)
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{
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if (_trackLayer->getParent())
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_trackLayer->removeFromParent();
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_trackLayer->release();
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}
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#endif
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}
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private:
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Node* _trackLayer = nullptr;
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};
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class ImGuiGlobalEventTracker : public ImGuiEventTracker
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{
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static const int highestPriority = (std::numeric_limits<int>::min)();
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public:
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bool init()
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{
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#ifdef AX_PLATFORM_PC
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// note: when at the first click to focus the window, this will not take effect
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auto eventDispatcher = Director::getInstance()->getEventDispatcher();
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_touchListener = utils::newInstance<EventListenerTouchOneByOne>();
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_touchListener->setSwallowTouches(true);
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_touchListener->onTouchBegan = [this](Touch* touch, Event*) -> bool { return ImGui::GetIO().WantCaptureMouse; };
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eventDispatcher->addEventListenerWithFixedPriority(_touchListener, highestPriority);
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// add by halx99
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auto stopAnyMouse = [=](EventMouse* event) {
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if (ImGui::GetIO().WantCaptureMouse)
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{
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event->stopPropagation();
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}
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};
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_mouseListener = utils::newInstance<EventListenerMouse>();
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_mouseListener->onMouseDown = _mouseListener->onMouseUp = stopAnyMouse;
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eventDispatcher->addEventListenerWithFixedPriority(_mouseListener, highestPriority);
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#endif
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return true;
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}
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~ImGuiGlobalEventTracker()
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{
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#ifdef AX_PLATFORM_PC
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auto eventDispatcher = Director::getInstance()->getEventDispatcher();
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eventDispatcher->removeEventListener(_mouseListener);
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eventDispatcher->removeEventListener(_touchListener);
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_mouseListener->release();
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_touchListener->release();
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#endif
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}
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EventListenerTouchOneByOne* _touchListener = nullptr;
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EventListenerMouse* _mouseListener = nullptr;
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};
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static ImGuiPresenter* _instance = nullptr;
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std::function<void(ImGuiPresenter*)> ImGuiPresenter::_onInit;
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ImGuiPresenter* ImGuiPresenter::getInstance()
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{
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if (_instance == nullptr)
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{
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_instance = new ImGuiPresenter();
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_instance->init();
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if (_onInit)
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_onInit(_instance);
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}
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return _instance;
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}
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void ImGuiPresenter::destroyInstance()
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{
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if (_instance)
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{
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_instance->cleanup();
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delete _instance;
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_instance = nullptr;
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}
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}
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void ImGuiPresenter::init()
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{
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// Setup Dear ImGui context
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IMGUI_CHECKVERSION();
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ImGui::CreateContext();
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ImGuiIO& io = ImGui::GetIO();
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(void)io;
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io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
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// io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls
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io.ConfigFlags |= ImGuiConfigFlags_DockingEnable; // Enable Docking
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#if AX_IMGUI_ENABLE_MULTI_VIEWPORT
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io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable; // Enable Multi-Viewport / Platform Windows
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#endif
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// io.ConfigViewportsNoAutoMerge = true;
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// io.ConfigViewportsNoTaskBarIcon = true;
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// io.ConfigViewportsNoDefaultParent = true;
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// io.ConfigDockingAlwaysTabBar = true;
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// io.ConfigDockingTransparentPayload = true;
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// io.ConfigFlags |= ImGuiConfigFlags_DpiEnableScaleFonts; // FIXME-DPI: Experimental. THIS CURRENTLY DOESN'T
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// WORK AS EXPECTED. DON'T USE IN USER APP! io.ConfigFlags |= ImGuiConfigFlags_DpiEnableScaleViewports; //
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// FIXME-DPI: Experimental.
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// Setup Dear ImGui style
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ImGui::StyleColorsDark();
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// ImGui::StyleColorsClassic();
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// When viewports are enabled we tweak WindowRounding/WindowBg so platform windows can look identical to regular
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// ones.
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ImGuiStyle& style = ImGui::GetStyle();
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if (io.ConfigFlags & ImGuiConfigFlags_ViewportsEnable)
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{
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style.WindowRounding = 0.0f;
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style.Colors[ImGuiCol_WindowBg].w = 1.0f;
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}
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#if (AX_TARGET_PLATFORM == AX_PLATFORM_ANDROID)
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ImGui_ImplAndroid_InitForAx(Director::getInstance()->getOpenGLView(), true);
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#else
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auto window = static_cast<GLViewImpl*>(Director::getInstance()->getOpenGLView())->getWindow();
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ImGui_ImplGlfw_InitForAx(window, true);
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#endif
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ImGui_ImplAx_Init();
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ImGui_ImplAx_SetCustomFontLoader(&ImGuiPresenter::loadCustomFonts, this);
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ImGui::StyleColorsClassic();
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auto eventDispatcher = Director::getInstance()->getEventDispatcher();
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eventDispatcher->addCustomEventListener(Director::EVENT_BEFORE_DRAW, [=](EventCustom*) { beginFrame(); });
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eventDispatcher->addCustomEventListener(Director::EVENT_AFTER_VISIT, [=](EventCustom*) { endFrame(); });
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}
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void ImGuiPresenter::cleanup()
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{
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auto eventDispatcher = Director::getInstance()->getEventDispatcher();
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eventDispatcher->removeCustomEventListeners(Director::EVENT_AFTER_VISIT);
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eventDispatcher->removeCustomEventListeners(Director::EVENT_BEFORE_DRAW);
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ImGui_ImplAx_SetCustomFontLoader(nullptr, nullptr);
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ImGui_ImplAx_Shutdown();
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#if (AX_TARGET_PLATFORM == AX_PLATFORM_ANDROID)
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ImGui_ImplAndroid_Shutdown();
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#else
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ImGui_ImplGlfw_Shutdown();
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#endif
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AX_SAFE_RELEASE_NULL(_fontsTexture);
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ImGui::DestroyContext();
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}
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void ImGuiPresenter::setOnInit(const std::function<void(ImGuiPresenter*)>& callBack)
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{
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_onInit = callBack;
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}
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void ImGuiPresenter::loadCustomFonts(void* ud)
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{
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auto thiz = (ImGuiPresenter*)ud;
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auto imFonts = ImGui::GetIO().Fonts;
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imFonts->Clear();
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auto contentZoomFactor = thiz->_contentZoomFactor;
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for (auto& fontInfo : thiz->_fontsInfoMap)
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{
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const ImWchar* imChars = nullptr;
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switch (fontInfo.second.glyphRange)
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{
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case CHS_GLYPH_RANGE::GENERAL:
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imChars = imFonts->GetGlyphRangesChineseSimplifiedCommon();
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break;
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case CHS_GLYPH_RANGE::FULL:
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imChars = imFonts->GetGlyphRangesChineseFull();
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break;
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default:;
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}
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auto fontData = FileUtils::getInstance()->getDataFromFile(fontInfo.first);
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AXASSERT(!fontData.isNull(), "Cannot load font for IMGUI");
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ssize_t bufferSize = 0;
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auto* buffer = fontData.takeBuffer(&bufferSize); // Buffer automatically freed by IMGUI
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imFonts->AddFontFromMemoryTTF(buffer, bufferSize, fontInfo.second.fontSize * contentZoomFactor, nullptr,
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imChars);
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}
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}
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float ImGuiPresenter::scaleAllByDPI(float userScale)
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{
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float xscale = 1.0f;
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#if (AX_TARGET_PLATFORM != AX_PLATFORM_ANDROID)
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// Gets scale
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glfwGetMonitorContentScale(glfwGetPrimaryMonitor(), &xscale, nullptr);
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#endif
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auto zoomFactor = userScale * xscale;
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auto imFonts = ImGui::GetIO().Fonts;
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// clear before add new font
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auto fontConf = imFonts->ConfigData; // copy font config data
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if (zoomFactor != _contentZoomFactor)
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{
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for (auto& fontConf : imFonts->ConfigData)
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{
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fontConf.SizePixels = (fontConf.SizePixels / _contentZoomFactor) * zoomFactor;
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}
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// Destory font informations, let implcocos2dx recreate at newFrame
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ImGui_ImplAx_SetDeviceObjectsDirty();
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ImGui::GetStyle().ScaleAllSizes(zoomFactor);
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_contentZoomFactor = zoomFactor;
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}
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return zoomFactor;
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}
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void ImGuiPresenter::setViewResolution(float width, float height)
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{
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ImGui_ImplAx_SetViewResolution(width, height);
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}
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void ImGuiPresenter::addFont(std::string_view fontFile, float fontSize, CHS_GLYPH_RANGE glyphRange)
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{
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if (FileUtils::getInstance()->isFileExistInternal(fontFile))
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{
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if (_fontsInfoMap.emplace(fontFile, FontInfo{fontSize, glyphRange}).second)
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ImGui_ImplAx_SetDeviceObjectsDirty();
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}
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}
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void ImGuiPresenter::removeFont(std::string_view fontFile)
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{
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auto count = _fontsInfoMap.size();
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_fontsInfoMap.erase(fontFile);
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if (count != _fontsInfoMap.size())
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ImGui_ImplAx_SetDeviceObjectsDirty();
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}
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void ImGuiPresenter::clearFonts()
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{
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bool haveCustomFonts = !_fontsInfoMap.empty();
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_fontsInfoMap.clear();
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if (haveCustomFonts)
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ImGui_ImplAx_SetDeviceObjectsDirty();
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// auto drawData = ImGui::GetDrawData();
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// if(drawData) drawData->Clear();
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}
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void ImGuiPresenter::end()
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{
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_purgeNextLoop = true;
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}
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/*
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* begin ImGui frame and draw ImGui stubs
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*/
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void ImGuiPresenter::beginFrame()
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{ // drived by event Director::EVENT_BEFORE_DRAW from engine mainLoop
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if (_purgeNextLoop)
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{
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Director::getInstance()->end();
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return;
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}
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if (!_renderPiplines.empty())
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{
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// create frame
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ImGui_ImplAx_NewFrame();
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#if (AX_TARGET_PLATFORM == AX_PLATFORM_ANDROID)
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ImGui_ImplAndroid_NewFrame();
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#else
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ImGui_ImplGlfw_NewFrame();
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#endif
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ImGui::NewFrame();
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// move to endFrame?
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_fontsTexture = (Texture2D*)ImGui_ImplAx_GetFontsTexture();
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assert(_fontsTexture != nullptr);
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_fontsTexture->retain();
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// draw all gui
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this->update();
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++_beginFrames;
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}
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}
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/*
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* flush ImGui draw data to engine
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*/
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void ImGuiPresenter::endFrame()
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{
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if (_beginFrames > 0)
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{
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// render
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ImGui::Render();
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auto drawData = ImGui::GetDrawData();
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if (drawData)
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ImGui_ImplAx_RenderDrawData(drawData);
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ImGui_ImplAx_RenderPlatform();
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--_beginFrames;
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AX_SAFE_RELEASE_NULL(_fontsTexture);
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}
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}
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void ImGuiPresenter::update()
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{
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// clear things from last frame
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usedCCRefIdMap.clear();
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usedCCRef.clear();
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// drawing commands
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for (auto& pipline : _renderPiplines)
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pipline.second.frame();
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// commands will be processed after update
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}
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bool ImGuiPresenter::addRenderLoop(std::string_view id, std::function<void()> func, Scene* target)
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{
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// TODO: check whether exist
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auto fourccId = fourccValue(id);
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if (_renderPiplines.find(fourccId) != _renderPiplines.end())
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{
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return false;
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}
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ImGuiEventTracker* tracker;
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if (target)
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tracker = utils::newInstance<ImGuiSceneEventTracker>(&ImGuiSceneEventTracker::initWithScene, target);
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else
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tracker = utils::newInstance<ImGuiGlobalEventTracker>();
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if (tracker)
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{
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_renderPiplines.emplace(fourccId, RenderPipline{tracker, std::move(func)});
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return true;
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}
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return false;
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}
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void ImGuiPresenter::removeRenderLoop(std::string_view id)
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{
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auto fourccId = fourccValue(id);
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const auto iter = _renderPiplines.find(fourccId);
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if (iter != _renderPiplines.end())
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{
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auto tracker = iter->second.tracker;
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delete tracker;
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_renderPiplines.erase(iter);
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}
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if (_renderPiplines.empty())
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deactiveImGuiViewports();
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}
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void ImGuiPresenter::deactiveImGuiViewports()
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{
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ImGuiContext& g = *GImGui;
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if (!(g.ConfigFlagsCurrFrame & ImGuiConfigFlags_ViewportsEnable))
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return;
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// Create/resize/destroy platform windows to match each active viewport.
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// Skip the main viewport (index 0), which is always fully handled by the application!
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for (int i = 1; i < g.Viewports.Size; i++)
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{
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ImGuiViewportP* viewport = g.Viewports[i];
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viewport->Window->Active = false;
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}
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}
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static std::tuple<ImVec2, ImVec2> getTextureUV(Sprite* sp)
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{
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ImVec2 uv0, uv1;
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if (!sp || !sp->getTexture())
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return std::tuple<ImVec2, ImVec2>{uv0, uv1};
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const auto& rect = sp->getTextureRect();
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const auto tex = sp->getTexture();
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const float atlasWidth = (float)tex->getPixelsWide();
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const float atlasHeight = (float)tex->getPixelsHigh();
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uv0.x = rect.origin.x / atlasWidth;
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uv0.y = rect.origin.y / atlasHeight;
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uv1.x = (rect.origin.x + rect.size.width) / atlasWidth;
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uv1.y = (rect.origin.y + rect.size.height) / atlasHeight;
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return std::tuple<ImVec2, ImVec2>{uv0, uv1};
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}
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void ImGuiPresenter::image(Texture2D* tex,
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const ImVec2& size,
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const ImVec2& uv0,
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const ImVec2& uv1,
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const ImVec4& tint_col,
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const ImVec4& border_col)
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{
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if (!tex)
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return;
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auto size_ = size;
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if (size_.x <= 0.f)
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size_.x = tex->getPixelsWide();
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if (size_.y <= 0.f)
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size_.y = tex->getPixelsHigh();
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ImGui::PushID(getCCRefId(tex));
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ImGui::Image((ImTextureID)tex, size_, uv0, uv1, tint_col, border_col);
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ImGui::PopID();
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}
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void ImGuiPresenter::image(Sprite* sprite, const ImVec2& size, const ImVec4& tint_col, const ImVec4& border_col)
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{
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if (!sprite || !sprite->getTexture())
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return;
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auto size_ = size;
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const auto& rect = sprite->getTextureRect();
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if (size_.x <= 0.f)
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size_.x = rect.size.width;
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if (size_.y <= 0.f)
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size_.y = rect.size.height;
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ImVec2 uv0, uv1;
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std::tie(uv0, uv1) = getTextureUV(sprite);
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ImGui::PushID(getCCRefId(sprite));
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ImGui::Image((ImTextureID)sprite->getTexture(), size_, uv0, uv1, tint_col, border_col);
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ImGui::PopID();
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}
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bool ImGuiPresenter::imageButton(Texture2D* tex,
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const ImVec2& size,
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const ImVec2& uv0,
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const ImVec2& uv1,
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int frame_padding,
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const ImVec4& bg_col,
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const ImVec4& tint_col)
|
|
{
|
|
if (!tex)
|
|
return false;
|
|
auto size_ = size;
|
|
if (size_.x <= 0.f)
|
|
size_.x = tex->getPixelsWide();
|
|
if (size_.y <= 0.f)
|
|
size_.y = tex->getPixelsHigh();
|
|
ImGui::PushID(getCCRefId(tex));
|
|
const auto ret = ImGui::ImageButton((ImTextureID)tex, size_, uv0, uv1, frame_padding, bg_col, tint_col);
|
|
ImGui::PopID();
|
|
return ret;
|
|
}
|
|
|
|
bool ImGuiPresenter::imageButton(Sprite* sprite,
|
|
const ImVec2& size,
|
|
int frame_padding,
|
|
const ImVec4& bg_col,
|
|
const ImVec4& tint_col)
|
|
{
|
|
if (!sprite || !sprite->getTexture())
|
|
return false;
|
|
auto size_ = size;
|
|
const auto& rect = sprite->getTextureRect();
|
|
if (size_.x <= 0.f)
|
|
size_.x = rect.size.width;
|
|
if (size_.y <= 0.f)
|
|
size_.y = rect.size.height;
|
|
ImVec2 uv0, uv1;
|
|
std::tie(uv0, uv1) = getTextureUV(sprite);
|
|
ImGui::PushID(getCCRefId(sprite));
|
|
const auto ret =
|
|
ImGui::ImageButton((ImTextureID)sprite->getTexture(), size_, uv0, uv1, frame_padding, bg_col, tint_col);
|
|
ImGui::PopID();
|
|
return ret;
|
|
}
|
|
|
|
void ImGuiPresenter::node(Node* node, const ImVec4& tint_col, const ImVec4& border_col)
|
|
{
|
|
if (!node)
|
|
return;
|
|
const auto size = node->getContentSize();
|
|
const auto pos = ImGui::GetCursorScreenPos();
|
|
Mat4 tr;
|
|
tr.m[5] = -1;
|
|
tr.m[12] = pos.x;
|
|
tr.m[13] = pos.y + size.height;
|
|
if (border_col.w > 0.f)
|
|
{
|
|
tr.m[12] += 1;
|
|
tr.m[13] += 1;
|
|
}
|
|
node->setNodeToParentTransform(tr);
|
|
ImGui::PushID(getCCRefId(node));
|
|
ImGui::Image((ImTextureID)node, ImVec2(size.width, size.height), ImVec2(0, 0), ImVec2(1, 1), tint_col, border_col);
|
|
ImGui::PopID();
|
|
}
|
|
|
|
bool ImGuiPresenter::nodeButton(Node* node, int frame_padding, const ImVec4& bg_col, const ImVec4& tint_col)
|
|
{
|
|
if (!node)
|
|
return false;
|
|
const auto size = node->getContentSize();
|
|
const auto pos = ImGui::GetCursorScreenPos();
|
|
Mat4 tr;
|
|
tr.m[5] = -1;
|
|
tr.m[12] = pos.x;
|
|
tr.m[13] = pos.y + size.height;
|
|
if (frame_padding >= 0)
|
|
{
|
|
tr.m[12] += (float)frame_padding;
|
|
tr.m[13] += (float)frame_padding;
|
|
}
|
|
else
|
|
{
|
|
tr.m[12] += ImGui::GetStyle().FramePadding.x;
|
|
tr.m[13] += ImGui::GetStyle().FramePadding.y;
|
|
}
|
|
node->setNodeToParentTransform(tr);
|
|
ImGui::PushID(getCCRefId(node));
|
|
const auto ret = ImGui::ImageButton((ImTextureID)node, ImVec2(size.width, size.height), ImVec2(0, 0), ImVec2(1, 1),
|
|
frame_padding, bg_col, tint_col);
|
|
ImGui::PopID();
|
|
return ret;
|
|
}
|
|
|
|
std::tuple<ImTextureID, int> ImGuiPresenter::useTexture(Texture2D* texture)
|
|
{
|
|
if (!texture)
|
|
return std::tuple<ImTextureID, int>{nullptr, 0};
|
|
return std::tuple<ImTextureID, int>{(ImTextureID)texture, getCCRefId(texture)};
|
|
}
|
|
|
|
std::tuple<ImTextureID, ImVec2, ImVec2, int> ImGuiPresenter::useSprite(Sprite* sprite)
|
|
{
|
|
if (!sprite || !sprite->getTexture())
|
|
return std::tuple<ImTextureID, ImVec2, ImVec2, int>{nullptr, {}, {}, 0};
|
|
ImVec2 uv0, uv1;
|
|
std::tie(uv0, uv1) = getTextureUV(sprite);
|
|
return std::tuple<ImTextureID, ImVec2, ImVec2, int>{(ImTextureID)sprite->getTexture(), uv0, uv1,
|
|
getCCRefId(sprite)};
|
|
}
|
|
|
|
std::tuple<ImTextureID, ImVec2, ImVec2, int> ImGuiPresenter::useNode(Node* node, const ImVec2& pos)
|
|
{
|
|
if (!node)
|
|
return std::tuple<ImTextureID, ImVec2, ImVec2, int>{nullptr, {}, {}, 0};
|
|
const auto size = node->getContentSize();
|
|
Mat4 tr;
|
|
tr.m[5] = -1;
|
|
tr.m[12] = pos.x;
|
|
tr.m[13] = pos.y + size.height;
|
|
node->setNodeToParentTransform(tr);
|
|
return std::tuple<ImTextureID, ImVec2, ImVec2, int>{
|
|
(ImTextureID)node, pos, ImVec2(pos.x + size.width, pos.y + size.height), getCCRefId(node)};
|
|
}
|
|
|
|
void ImGuiPresenter::setNodeColor(Node* node, const ImVec4& col)
|
|
{
|
|
if (node)
|
|
{
|
|
node->setColor({uint8_t(col.x * 255), uint8_t(col.y * 255), uint8_t(col.z * 255)});
|
|
node->setOpacity(uint8_t(col.w * 255));
|
|
}
|
|
}
|
|
|
|
void ImGuiPresenter::setNodeColor(Node* node, ImGuiCol col)
|
|
{
|
|
if (node && 0 <= col && col < ImGuiCol_COUNT)
|
|
setNodeColor(node, ImGui::GetStyleColorVec4(col));
|
|
}
|
|
|
|
void ImGuiPresenter::setLabelColor(Label* label, const ImVec4& col)
|
|
{
|
|
if (label)
|
|
{
|
|
label->setTextColor({uint8_t(col.x * 255), uint8_t(col.y * 255), uint8_t(col.z * 255), uint8_t(col.w * 255)});
|
|
}
|
|
}
|
|
|
|
void ImGuiPresenter::setLabelColor(Label* label, bool disabled)
|
|
{
|
|
if (label)
|
|
setLabelColor(label, ImGui::GetStyleColorVec4(disabled ? ImGuiCol_TextDisabled : ImGuiCol_Text));
|
|
}
|
|
|
|
void ImGuiPresenter::setLabelColor(Label* label, ImGuiCol col)
|
|
{
|
|
if (label && 0 <= col && col < ImGuiCol_COUNT)
|
|
setLabelColor(label, ImGui::GetStyleColorVec4(col));
|
|
}
|
|
|
|
ImWchar* ImGuiPresenter::addGlyphRanges(std::string_view key, const std::vector<ImWchar>& ranges)
|
|
{
|
|
auto it = glyphRanges.find(key);
|
|
// the pointer must be persistant, do not replace
|
|
if (it != glyphRanges.end())
|
|
return it->second.data();
|
|
it = glyphRanges.emplace(key, ranges).first; // glyphRanges[key] = ranges;
|
|
if (ranges.empty())
|
|
it->second.push_back(0);
|
|
return it->second.data();
|
|
}
|
|
|
|
void ImGuiPresenter::mergeFontGlyphs(ImFont* dst, ImFont* src, ImWchar start, ImWchar end)
|
|
{
|
|
if (!dst || !src || start > end)
|
|
return;
|
|
for (auto i = start; i <= end; ++i)
|
|
{
|
|
const auto g = src->FindGlyphNoFallback(i);
|
|
if (g)
|
|
{
|
|
dst->AddGlyph(nullptr, g->Codepoint, g->X0, g->Y0, g->X1, g->Y1, g->U0, g->V0, g->U1, g->V1, g->AdvanceX);
|
|
}
|
|
}
|
|
dst->BuildLookupTable();
|
|
}
|
|
|
|
int ImGuiPresenter::getCCRefId(Ref* p)
|
|
{
|
|
int id = 0;
|
|
const auto it = usedCCRefIdMap.find(p);
|
|
if (it == usedCCRefIdMap.end())
|
|
{
|
|
usedCCRefIdMap[p] = 0;
|
|
usedCCRef.pushBack(p);
|
|
}
|
|
else
|
|
id = ++it->second;
|
|
// BKDR hash
|
|
constexpr unsigned int seed = 131;
|
|
unsigned int hash = 0;
|
|
for (auto i = 0u; i < sizeof(void*); ++i)
|
|
hash = hash * seed + ((const char*)&p)[i];
|
|
for (auto i = 0u; i < sizeof(int); ++i)
|
|
hash = hash * seed + ((const char*)&id)[i];
|
|
return (int)hash;
|
|
}
|
|
|
|
NS_AX_EXT_END
|