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Fonts: Added UI to edit FreeType loader flags. Added ImFontAtlasBuildReloadAll() / ImFontAtlasBuildReloadFont()

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ocornut 2025-03-06 20:34:18 +01:00
parent 40f988ce2a
commit 41a0e991f0
5 changed files with 66 additions and 8 deletions
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18
misc/freetype/imgui_freetype.cpp
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@ -578,7 +578,7 @@ bool ImGui_ImplFreetype_FontSrcContainsGlyph(ImFontAtlas* atlas, ImFontConfig* s
const ImFontLoader* ImGuiFreeType::GetFontLoader()
{
static ImFontLoader loader;
loader.Name = "freetype";
loader.Name = "FreeType";
loader.LoaderInit = ImGui_ImplFreeType_LoaderInit;
loader.LoaderShutdown = ImGui_ImplFreeType_LoaderShutdown;
loader.FontSrcInit = ImGui_ImplFreeType_FontSrcInit;
@ -598,6 +598,22 @@ void ImGuiFreeType::SetAllocatorFunctions(void* (*alloc_func)(size_t sz, void* u
GImGuiFreeTypeAllocatorUserData = user_data;
}
bool ImGuiFreeType::DebugEditFontBuilderFlags(unsigned int* p_font_loader_flags)
{
bool edited = false;
edited |= ImGui::CheckboxFlags("NoHinting", p_font_loader_flags, ImGuiFreeTypeBuilderFlags_NoHinting);
edited |= ImGui::CheckboxFlags("NoAutoHint", p_font_loader_flags, ImGuiFreeTypeBuilderFlags_NoAutoHint);
edited |= ImGui::CheckboxFlags("ForceAutoHint",p_font_loader_flags, ImGuiFreeTypeBuilderFlags_ForceAutoHint);
edited |= ImGui::CheckboxFlags("LightHinting", p_font_loader_flags, ImGuiFreeTypeBuilderFlags_LightHinting);
edited |= ImGui::CheckboxFlags("MonoHinting", p_font_loader_flags, ImGuiFreeTypeBuilderFlags_MonoHinting);
edited |= ImGui::CheckboxFlags("Bold", p_font_loader_flags, ImGuiFreeTypeBuilderFlags_Bold);
edited |= ImGui::CheckboxFlags("Oblique", p_font_loader_flags, ImGuiFreeTypeBuilderFlags_Oblique);
edited |= ImGui::CheckboxFlags("Monochrome", p_font_loader_flags, ImGuiFreeTypeBuilderFlags_Monochrome);
edited |= ImGui::CheckboxFlags("LoadColor", p_font_loader_flags, ImGuiFreeTypeBuilderFlags_LoadColor);
edited |= ImGui::CheckboxFlags("Bitmap", p_font_loader_flags, ImGuiFreeTypeBuilderFlags_Bitmap);
return edited;
}
#ifdef IMGUI_ENABLE_FREETYPE_LUNASVG
// For more details, see https://gitlab.freedesktop.org/freetype/freetype-demos/-/blob/master/src/rsvg-port.c
// The original code from the demo is licensed under CeCILL-C Free Software License Agreement (https://gitlab.freedesktop.org/freetype/freetype/-/blob/master/LICENSE.TXT)

3
misc/freetype/imgui_freetype.h
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@ -49,6 +49,9 @@ namespace ImGuiFreeType
// However, as FreeType does lots of allocations we provide a way for the user to redirect it to a separate memory heap if desired.
IMGUI_API void SetAllocatorFunctions(void* (*alloc_func)(size_t sz, void* user_data), void (*free_func)(void* ptr, void* user_data), void* user_data = nullptr);
// Display UI to edit FontBuilderFlags in ImFontAtlas (shared) or ImFontConfig (single source)
IMGUI_API bool DebugEditFontBuilderFlags(unsigned int* p_font_loader_flags);
// Obsolete names (will be removed soon)
#ifndef IMGUI_DISABLE_OBSOLETE_FUNCTIONS
//static inline bool BuildFontAtlas(ImFontAtlas* atlas, unsigned int flags = 0) { atlas->FontBuilderIO = GetBuilderForFreeType(); atlas->FontBuilderFlags = flags; return atlas->Build(); } // Prefer using '#define IMGUI_ENABLE_FREETYPE'