audit: GrpFontTexture port-map (40250 bodies, HiDPI oversample adaptations)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

audit/history.jsonl

@@ -633,3 +633,4 @@
 {"date": "2026-09-30", "unit": "EterLib/GrpVertexBuffer.cpp", "action": "port", "evidence": "CPU buffers, bodies otherwise 40250; port.grp_resource"}
 {"date": "2026-09-30", "unit": "EterLib/GrpImageInstance.cpp", "action": "port", "evidence": "verbatim; draw via UIRenderAddImage; port.grp_resource quad/uv/colour"}
 {"date": "2026-09-30", "unit": "EterLib/GrpExpandedImageInstance.cpp", "action": "port", "evidence": "verbatim; draw + blend mode via UIRenderAddImage, SCREEN/COLOR_DODGE blend fixed to INVDESTCOLOR (0x2A); OnIsType recursion avoided; port.grp_resource"}
+{"date": "2026-09-30", "unit": "EterLib/GrpFontTexture.cpp", "action": "port", "evidence": "40250 bodies over Win32Gdi; HiDPI oversample adaptations noted; port.text"}

audit/port-map/EterLib/GrpFontTexture.cpp.json

@@ -5,49 +5,143 @@
   "contracts": [],
   "functions": {
     "CGraphicFontTexture::CGraphicFontTexture": {
-      "status": "TODO"
+      "status": "PORTED",
+      "impl": [
+        "src/platform/EterLib/GrpFontTexture.cpp:CGraphicFontTexture::CGraphicFontTexture"
+      ],
+      "test": [
+        "tests/port/port_text_test.cpp"
+      ]
     },
     "CGraphicFontTexture::~CGraphicFontTexture": {
-      "status": "TODO"
+      "status": "PORTED",
+      "impl": [
+        "src/platform/EterLib/GrpFontTexture.cpp:CGraphicFontTexture::~CGraphicFontTexture"
+      ],
+      "test": [
+        "tests/port/port_text_test.cpp"
+      ]
     },
     "CGraphicFontTexture::Initialize": {
-      "status": "TODO"
+      "status": "PORTED",
+      "impl": [
+        "src/platform/EterLib/GrpFontTexture.cpp:CGraphicFontTexture::Initialize"
+      ],
+      "test": [
+        "tests/port/port_text_test.cpp"
+      ]
     },
     "CGraphicFontTexture::IsEmpty": {
-      "status": "TODO"
+      "status": "PORTED",
+      "impl": [
+        "src/platform/EterLib/GrpFontTexture.cpp:CGraphicFontTexture::IsEmpty"
+      ],
+      "test": [
+        "tests/port/port_text_test.cpp"
+      ]
     },
     "CGraphicFontTexture::Destroy": {
-      "status": "TODO"
+      "status": "ADAPTED",
+      "impl": [
+        "src/platform/EterLib/GrpFontTexture.cpp:CGraphicFontTexture::Destroy"
+      ],
+      "test": [
+        "tests/port/port_text_test.cpp"
+      ],
+      "note": "40250: deletes each HFONT of the font map. Port: also deletes its oversampled twin. Invariant: 40250 teardown; no leaked GDI fonts."
     },
     "CGraphicFontTexture::CreateDeviceObjects": {
-      "status": "TODO"
+      "status": "PORTED",
+      "impl": [
+        "src/platform/EterLib/GrpFontTexture.cpp:CGraphicFontTexture::CreateDeviceObjects"
+      ],
+      "test": [
+        "tests/port/port_text_test.cpp"
+      ]
     },
     "CGraphicFontTexture::DestroyDeviceObjects": {
-      "status": "TODO"
+      "status": "PORTED",
+      "impl": [
+        "src/platform/EterLib/GrpFontTexture.cpp:CGraphicFontTexture::DestroyDeviceObjects"
+      ],
+      "test": [
+        "tests/port/port_text_test.cpp"
+      ]
     },
     "CGraphicFontTexture::Create": {
-      "status": "TODO"
+      "status": "ADAPTED",
+      "impl": [
+        "src/platform/EterLib/GrpFontTexture.cpp:CGraphicFontTexture::Create"
+      ],
+      "test": [
+        "tests/port/port_text_test.cpp"
+      ],
+      "note": "40250: the page DIB is width x height. Port: width*s x height*s for oversample s (1 by default = 40250). Invariant: logical page size, metrics and UVs unchanged."
     },
     "CGraphicFontTexture::GetFont": {
-      "status": "TODO"
+      "status": "ADAPTED",
+      "impl": [
+        "src/platform/EterLib/GrpFontTexture.cpp:CGraphicFontTexture::GetFont"
+      ],
+      "test": [
+        "tests/port/port_text_test.cpp"
+      ],
+      "note": "40250: CreateFontIndirect per code page. Port: with s > 1 also creates an s-times-height twin for drawing. Invariant: the measuring font is the 40250 one."
     },
     "CGraphicFontTexture::AppendTexture": {
-      "status": "TODO"
+      "status": "PORTED",
+      "impl": [
+        "src/platform/EterLib/GrpFontTexture.cpp:CGraphicFontTexture::AppendTexture"
+      ],
+      "test": [
+        "tests/port/port_text_test.cpp"
+      ]
     },
     "CGraphicFontTexture::UpdateTexture": {
-      "status": "TODO"
+      "status": "PORTED",
+      "impl": [
+        "src/platform/EterLib/GrpFontTexture.cpp:CGraphicFontTexture::UpdateTexture"
+      ],
+      "test": [
+        "tests/port/port_text_test.cpp"
+      ]
     },
     "CGraphicFontTexture::GetCharacterInfomation": {
-      "status": "TODO"
+      "status": "PORTED",
+      "impl": [
+        "src/platform/EterLib/GrpFontTexture.cpp:CGraphicFontTexture::GetCharacterInfomation"
+      ],
+      "test": [
+        "tests/port/port_text_test.cpp"
+      ]
     },
     "CGraphicFontTexture::UpdateCharacterInfomation": {
-      "status": "TODO"
+      "status": "ADAPTED",
+      "impl": [
+        "src/platform/EterLib/GrpFontTexture.cpp:CGraphicFontTexture::UpdateCharacterInfomation"
+      ],
+      "test": [
+        "tests/port/port_text_test.cpp"
+      ],
+      "note": "40250: TextOutW with the 1x font, bilevel threshold into A4R4G4B4. Port: with s > 1 draws the glyph with the twin into the s-scaled cell keeping coverage alpha; s == 1 is the 40250 path. Invariant: width/height/advance and packing are the logical 1x values."
     },
     "CGraphicFontTexture::CheckTextureIndex": {
-      "status": "TODO"
+      "status": "PORTED",
+      "impl": [
+        "src/platform/EterLib/GrpFontTexture.cpp:CGraphicFontTexture::CheckTextureIndex"
+      ],
+      "test": [
+        "tests/port/port_text_test.cpp"
+      ]
     },
     "CGraphicFontTexture::SelectTexture": {
-      "status": "TODO"
+      "status": "PORTED",
+      "impl": [
+        "src/platform/EterLib/GrpFontTexture.cpp:CGraphicFontTexture::SelectTexture"
+      ],
+      "test": [
+        "tests/port/port_text_test.cpp"
+      ]
     }
   }
 }