feat (mvFont): added ImGui's PixelSnapH to font parameters

hoffstadt · Aug 30, 2023 · 1fe2f6c · 1fe2f6c
1 parent e8bab91
commit 1fe2f6c
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Showing 4 changed files with 21 additions and 5 deletions.
diff --git a/dearpygui/dearpygui.py b/dearpygui/dearpygui.py
diff --git a/src/mvAppItem.cpp b/src/mvAppItem.cpp
@@ -4831,6 +4831,7 @@ DearPyGui::GetEntityParser(mvAppItemType type)
 
         args.push_back({ mvPyDataType::String, "file" });
         args.push_back({ mvPyDataType::Integer, "size" });
+        args.push_back({ mvPyDataType::Bool, "pixel_snapH", mvArgType::KEYWORD_ARG, "False", "Align every glyph to pixel boundary. Useful e.g. if you are merging a non-pixel aligned font with the default font, or rendering text piece-by-piece (e.g. for coloring)." });
         args.push_back({ mvPyDataType::UUID, "parent", mvArgType::KEYWORD_ARG, "internal_dpg.mvReservedUUID_0", "Parent to add this item to. (runtime adding)" });
         args.push_back({ mvPyDataType::Bool, "default_font", mvArgType::DEPRECATED_REMOVE_KEYWORD_ARG });
 

diff --git a/src/mvFontItems.cpp b/src/mvFontItems.cpp
@@ -50,8 +50,10 @@ void mvFont::customAction(void* data)
 
 	ImGuiIO& io = ImGui::GetIO();
 
+	ImFontConfig cfg;
+	cfg.PixelSnapH = _pixel_snap_h;
 	_fontPtr = io.Fonts->AddFontFromFileTTF(_file.c_str(), _size,
-		nullptr, _ranges.Data);
+		&cfg, _ranges.Data);
 
 	if (_fontPtr == nullptr)
 	{
@@ -178,13 +180,22 @@ void mvFont::handleSpecificRequiredArgs(PyObject* dict)
 
 }
 
+void mvFont::handleSpecificKeywordArgs(PyObject* dict)
+{
+	if (dict == nullptr)
+		return;
+
+    if (PyObject* item = PyDict_GetItemString(dict, "pixel_snapH")) _pixel_snap_h = ToBool(item);
+}
+
 void mvFont::getSpecificConfiguration(PyObject* dict)
 {
 	if (dict == nullptr)
 		return;
 
 	PyDict_SetItemString(dict, "file", ToPyString(_file));
 	PyDict_SetItemString(dict, "size", ToPyFloat(_size));
+	PyDict_SetItemString(dict, "pixel_snapH", ToPyBool(_pixel_snap_h));
 }
 
 void mvFontChars::handleSpecificRequiredArgs(PyObject* dict)

diff --git a/src/mvFontItems.h b/src/mvFontItems.h
@@ -51,6 +51,7 @@ class mvFont : public mvAppItem
     void draw(ImDrawList* drawlist, float x, float y) override;
     void customAction(void* data = nullptr) override;
     void handleSpecificRequiredArgs(PyObject* dict) override;
+    void handleSpecificKeywordArgs(PyObject* dict) override;
     void getSpecificConfiguration(PyObject* dict) override;
     ImFont* getFontPtr() { return _fontPtr; }
 
@@ -60,6 +61,7 @@ class mvFont : public mvAppItem
     std::string _file;
     float       _size = 13.0f;
     bool        _default = false;
+    bool        _pixel_snap_h = false;
 
     // finalized
     ImFont* _fontPtr = nullptr;