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Font merge demo and documentation minor additions.

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Clarifies the lifetime requirements for the ranges parameter for AddFont* functions.
This commit is contained in:
Doug Binks 2015-10-25 16:06:42 +00:00
parent 0b0c460324
commit e1bc0dd7d5
2 changed files with 4 additions and 2 deletions
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2
examples/opengl_example/main.cpp
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@ -33,7 +33,7 @@ int main(int, char**)
//io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese());
// Merge glyphs from multiple fonts into one (e.g. combine default font with another with Chinese glyphs, or add icons)
//ImWchar icons_ranges[] = { 0xf000, 0xf3ff, 0 };
//static const ImWchar icons_ranges[] = { 0xf000, 0xf3ff, 0 }; // will not be copied by AddFont* so keep in scope.
//ImFontConfig icons_config; icons_config.MergeMode = true; icons_config.PixelSnapH = true;
//io.Fonts->AddFontFromFileTTF("../../extra_fonts/DroidSans.ttf", 18.0f);
//io.Fonts->AddFontFromFileTTF("../../extra_fonts/fontawesome-webfont.ttf", 18.0f, &icons_config, icons_ranges);

4
extra_fonts/README.txt
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@ -30,7 +30,9 @@
io.Fonts->AddFontDefault();
// Add character ranges and merge into main font
ImWchar ranges[] = { 0xf000, 0xf3ff, 0 };
// The ranges array is not copied by the AddFont* functions and is used lazily
// so ensure it is available for duration of font usage
static const ImWchar ranges[] = { 0xf000, 0xf3ff, 0 };
ImFontConfig config;
config.MergeMode = true;
io.Fonts->AddFontFromFileTTF("fontawesome-webfont.ttf", 16.0f, &config, ranges);