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Fonts: added IMGUI_DISABLE_DEFAULT_FONT macro. (#8161)

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chuikingshek 2024-11-19 02:36:26 +08:00 committed by ocornut
parent eb0ad66d88
commit 5ae3dd52a0
3 changed files with 14 additions and 0 deletions
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2
docs/CHANGELOG.txt
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@ -53,6 +53,8 @@ Other changes:
- Error Handling: fixed cases where recoverable error handling would crash when - Error Handling: fixed cases where recoverable error handling would crash when
processing errors outside of the NewFrame()..EndFrame() scope. (#1651) processing errors outside of the NewFrame()..EndFrame() scope. (#1651)
- Misc: added IMGUI_DISABLE_DEFAULT_FONT to strip embedded font from binary. (#8161)
[@demonese]
- Demo: example tree used by Property Editor & Selection demos properly freed - Demo: example tree used by Property Editor & Selection demos properly freed
on application closure. (#8158) [@Legulysse] on application closure. (#8158) [@Legulysse]
- Examples: Win32+DX12: Using a basic free-list allocator to manage multiple - Examples: Win32+DX12: Using a basic free-list allocator to manage multiple

1
imconfig.h
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@ -48,6 +48,7 @@
//#define IMGUI_DISABLE_FILE_FUNCTIONS // Don't implement ImFileOpen/ImFileClose/ImFileRead/ImFileWrite and ImFileHandle at all (replace them with dummies) //#define IMGUI_DISABLE_FILE_FUNCTIONS // Don't implement ImFileOpen/ImFileClose/ImFileRead/ImFileWrite and ImFileHandle at all (replace them with dummies)
//#define IMGUI_DISABLE_DEFAULT_FILE_FUNCTIONS // Don't implement ImFileOpen/ImFileClose/ImFileRead/ImFileWrite and ImFileHandle so you can implement them yourself if you don't want to link with fopen/fclose/fread/fwrite. This will also disable the LogToTTY() function. //#define IMGUI_DISABLE_DEFAULT_FILE_FUNCTIONS // Don't implement ImFileOpen/ImFileClose/ImFileRead/ImFileWrite and ImFileHandle so you can implement them yourself if you don't want to link with fopen/fclose/fread/fwrite. This will also disable the LogToTTY() function.
//#define IMGUI_DISABLE_DEFAULT_ALLOCATORS // Don't implement default allocators calling malloc()/free() to avoid linking with them. You will need to call ImGui::SetAllocatorFunctions(). //#define IMGUI_DISABLE_DEFAULT_ALLOCATORS // Don't implement default allocators calling malloc()/free() to avoid linking with them. You will need to call ImGui::SetAllocatorFunctions().
//#define IMGUI_DISABLE_DEFAULT_FONT // Disable default embedded font (ProggyClean.ttf), remove ~14 KB from output binary. AddFontDefault() will assert.
//#define IMGUI_DISABLE_SSE // Disable use of SSE intrinsics even if available //#define IMGUI_DISABLE_SSE // Disable use of SSE intrinsics even if available
//---- Enable Test Engine / Automation features. //---- Enable Test Engine / Automation features.

11
imgui_draw.cpp
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@ -2560,7 +2560,9 @@ ImFont* ImFontAtlas::AddFont(const ImFontConfig* font_cfg)
// Default font TTF is compressed with stb_compress then base85 encoded (see misc/fonts/binary_to_compressed_c.cpp for encoder) // Default font TTF is compressed with stb_compress then base85 encoded (see misc/fonts/binary_to_compressed_c.cpp for encoder)
static unsigned int stb_decompress_length(const unsigned char* input); static unsigned int stb_decompress_length(const unsigned char* input);
static unsigned int stb_decompress(unsigned char* output, const unsigned char* input, unsigned int length); static unsigned int stb_decompress(unsigned char* output, const unsigned char* input, unsigned int length);
#ifndef IMGUI_DISABLE_DEFAULT_FONT
static const char* GetDefaultCompressedFontDataTTFBase85(); static const char* GetDefaultCompressedFontDataTTFBase85();
#endif
static unsigned int Decode85Byte(char c) { return c >= '\\' ? c-36 : c-35; } static unsigned int Decode85Byte(char c) { return c >= '\\' ? c-36 : c-35; }
static void Decode85(const unsigned char* src, unsigned char* dst) static void Decode85(const unsigned char* src, unsigned char* dst)
{ {
@ -2576,6 +2578,7 @@ static void Decode85(const unsigned char* src, unsigned char* dst)
// Load embedded ProggyClean.ttf at size 13, disable oversampling // Load embedded ProggyClean.ttf at size 13, disable oversampling
ImFont* ImFontAtlas::AddFontDefault(const ImFontConfig* font_cfg_template) ImFont* ImFontAtlas::AddFontDefault(const ImFontConfig* font_cfg_template)
{ {
#ifndef IMGUI_DISABLE_DEFAULT_FONT
ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig(); ImFontConfig font_cfg = font_cfg_template ? *font_cfg_template : ImFontConfig();
if (!font_cfg_template) if (!font_cfg_template)
{ {
@ -2593,6 +2596,11 @@ ImFont* ImFontAtlas::AddFontDefault(const ImFontConfig* font_cfg_template)
const ImWchar* glyph_ranges = font_cfg.GlyphRanges != NULL ? font_cfg.GlyphRanges : GetGlyphRangesDefault(); const ImWchar* glyph_ranges = font_cfg.GlyphRanges != NULL ? font_cfg.GlyphRanges : GetGlyphRangesDefault();
ImFont* font = AddFontFromMemoryCompressedBase85TTF(ttf_compressed_base85, font_cfg.SizePixels, &font_cfg, glyph_ranges); ImFont* font = AddFontFromMemoryCompressedBase85TTF(ttf_compressed_base85, font_cfg.SizePixels, &font_cfg, glyph_ranges);
return font; return font;
#else
IM_ASSERT(0 && "AddFontDefault() disabled in this build.");
IM_UNUSED(font_cfg_template);
return NULL;
#endif // #ifndef IMGUI_DISABLE_DEFAULT_FONT
} }
ImFont* ImFontAtlas::AddFontFromFileTTF(const char* filename, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges) ImFont* ImFontAtlas::AddFontFromFileTTF(const char* filename, float size_pixels, const ImFontConfig* font_cfg_template, const ImWchar* glyph_ranges)
@ -4578,6 +4586,8 @@ static unsigned int stb_decompress(unsigned char *output, const unsigned char *i
// Exported using misc/fonts/binary_to_compressed_c.cpp (with compression + base85 string encoding). // Exported using misc/fonts/binary_to_compressed_c.cpp (with compression + base85 string encoding).
// The purpose of encoding as base85 instead of "0x00,0x01,..." style is only save on _source code_ size. // The purpose of encoding as base85 instead of "0x00,0x01,..." style is only save on _source code_ size.
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
#ifndef IMGUI_DISABLE_DEFAULT_FONT
static const char proggy_clean_ttf_compressed_data_base85[11980 + 1] = static const char proggy_clean_ttf_compressed_data_base85[11980 + 1] =
"7])#######hV0qs'/###[),##/l:$#Q6>##5[n42>c-TH`->>#/e>11NNV=Bv(*:.F?uu#(gRU.o0XGH`$vhLG1hxt9?W`#,5LsCp#-i>.r$<$6pD>Lb';9Crc6tgXmKVeU2cD4Eo3R/" "7])#######hV0qs'/###[),##/l:$#Q6>##5[n42>c-TH`->>#/e>11NNV=Bv(*:.F?uu#(gRU.o0XGH`$vhLG1hxt9?W`#,5LsCp#-i>.r$<$6pD>Lb';9Crc6tgXmKVeU2cD4Eo3R/"
"2*>]b(MC;$jPfY.;h^`IWM9<Lh2TlS+f-s$o6Q<BWH`YiU.xfLq$N;$0iR/GX:U(jcW2p/W*q?-qmnUCI;jHSAiFWM.R*kU@C=GH?a9wp8f$e.-4^Qg1)Q-GL(lf(r/7GrRgwV%MS=C#" "2*>]b(MC;$jPfY.;h^`IWM9<Lh2TlS+f-s$o6Q<BWH`YiU.xfLq$N;$0iR/GX:U(jcW2p/W*q?-qmnUCI;jHSAiFWM.R*kU@C=GH?a9wp8f$e.-4^Qg1)Q-GL(lf(r/7GrRgwV%MS=C#"
@ -4670,5 +4680,6 @@ static const char* GetDefaultCompressedFontDataTTFBase85()
{ {
return proggy_clean_ttf_compressed_data_base85; return proggy_clean_ttf_compressed_data_base85;
} }
#endif // #ifndef IMGUI_DISABLE_DEFAULT_FONT
#endif // #ifndef IMGUI_DISABLE #endif // #ifndef IMGUI_DISABLE