Add XCUI new editor sandbox phase 1

2026-04-05 04:55:25 +08:00
parent e23f469e5a
commit 67a28bdd4a
76 changed files with 14671 additions and 3 deletions
--- a/tests/NewEditor/test_imgui_text_atlas_provider.cpp
+++ b/tests/NewEditor/test_imgui_text_atlas_provider.cpp
@@ -0,0 +1,90 @@
+#include <gtest/gtest.h>
+
+#include "XCUIBackend/ImGuiTextAtlasProvider.h"
+
+#include <imgui.h>
+
+#include <cstdint>
+
+namespace {
+
+using XCEngine::Editor::XCUIBackend::IXCUITextAtlasProvider;
+using XCEngine::Editor::XCUIBackend::ImGuiTextAtlasProvider;
+
+class ImGuiContextScope {
+public:
+    ImGuiContextScope() {
+        IMGUI_CHECKVERSION();
+        ImGui::CreateContext();
+        ImGui::StyleColorsDark();
+    }
+
+    ~ImGuiContextScope() {
+        ImGui::DestroyContext();
+    }
+};
+
+void BuildDefaultFontAtlas() {
+    ImGuiIO& io = ImGui::GetIO();
+    if (io.Fonts->Fonts.empty()) {
+        io.Fonts->AddFontDefault();
+    }
+
+    unsigned char* pixels = nullptr;
+    int width = 0;
+    int height = 0;
+    io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height);
+}
+
+TEST(ImGuiTextAtlasProviderTest, ReturnsEmptyResultsWhenNoContextIsAvailable) {
+    ImGuiTextAtlasProvider provider = {};
+    IXCUITextAtlasProvider::AtlasTextureView atlasView = {};
+    IXCUITextAtlasProvider::FontInfo fontInfo = {};
+    IXCUITextAtlasProvider::BakedFontInfo bakedFontInfo = {};
+    IXCUITextAtlasProvider::GlyphInfo glyphInfo = {};
+
+    EXPECT_EQ(provider.GetContext(), nullptr);
+    EXPECT_FALSE(provider.GetAtlasTextureView(IXCUITextAtlasProvider::PixelFormat::RGBA32, atlasView));
+    EXPECT_EQ(provider.GetFontCount(), 0u);
+    EXPECT_FALSE(provider.GetDefaultFont().IsValid());
+    EXPECT_FALSE(provider.GetFontInfo({}, fontInfo));
+    EXPECT_FALSE(provider.GetBakedFontInfo({}, 14.0f, bakedFontInfo));
+    EXPECT_FALSE(provider.FindGlyph({}, 14.0f, 'A', glyphInfo));
+}
+
+TEST(ImGuiTextAtlasProviderTest, ExposesAtlasAndGlyphDataFromExplicitContext) {
+    ImGuiContextScope contextScope;
+    BuildDefaultFontAtlas();
+
+    ImGuiTextAtlasProvider provider(ImGui::GetCurrentContext());
+
+    IXCUITextAtlasProvider::AtlasTextureView atlasView = {};
+    ASSERT_TRUE(provider.GetAtlasTextureView(IXCUITextAtlasProvider::PixelFormat::RGBA32, atlasView));
+    EXPECT_TRUE(atlasView.IsValid());
+    EXPECT_EQ(atlasView.format, IXCUITextAtlasProvider::PixelFormat::RGBA32);
+    EXPECT_GT(atlasView.atlasStorageKey, 0u);
+    EXPECT_GT(atlasView.pixelDataKey, 0u);
+
+    const IXCUITextAtlasProvider::FontHandle defaultFont = provider.GetDefaultFont();
+    ASSERT_TRUE(defaultFont.IsValid());
+    ASSERT_GE(provider.GetFontCount(), 1u);
+
+    IXCUITextAtlasProvider::FontInfo fontInfo = {};
+    ASSERT_TRUE(provider.GetFontInfo(defaultFont, fontInfo));
+    EXPECT_TRUE(fontInfo.handle.IsValid());
+    EXPECT_GT(fontInfo.nominalSize, 0.0f);
+
+    IXCUITextAtlasProvider::BakedFontInfo bakedFontInfo = {};
+    ASSERT_TRUE(provider.GetBakedFontInfo(defaultFont, 0.0f, bakedFontInfo));
+    EXPECT_GT(bakedFontInfo.lineHeight, 0.0f);
+    EXPECT_GT(bakedFontInfo.rasterizerDensity, 0.0f);
+
+    IXCUITextAtlasProvider::GlyphInfo glyphInfo = {};
+    ASSERT_TRUE(provider.FindGlyph(defaultFont, 0.0f, 'A', glyphInfo));
+    EXPECT_EQ(glyphInfo.requestedCodepoint, static_cast<std::uint32_t>('A'));
+    EXPECT_GT(glyphInfo.advanceX, 0.0f);
+    EXPECT_GE(glyphInfo.u1, glyphInfo.u0);
+    EXPECT_GE(glyphInfo.v1, glyphInfo.v0);
+}
+
+} // namespace