Green-Sky/tomato
Green-Sky/tomato
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make tomato dpi aware (not dynamic) and fiddle around with fonts

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Green Sky 2024-06-12 19:37:07 +02:00
parent 4b99da5e4e
commit 2189c4c3cb
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2 changed files with 60 additions and 12 deletions
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2
CMakeLists.txt
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@ -44,7 +44,7 @@ endif()
add_compile_definitions(ENTT_API_EXPORT)
# external libs
add_subdirectory(./external) # before increasing warn levels, sad :(
add_subdirectory(./external EXCLUDE_FROM_ALL) # before increasing warn levels, sad :(
set(CMAKE_CXX_EXTENSIONS OFF)

70
src/main.cpp
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@ -75,6 +75,14 @@ int main(int argc, char** argv) {
IMGUI_CHECKVERSION();
ImGui::CreateContext();
// TODO: test android behaviour
float display_scale = SDL_GetWindowDisplayScale(window.get());
if (display_scale < 0.001f) {
// error?
display_scale = 1.f;
}
ImGui::GetStyle().ScaleAllSizes(display_scale);
Theme theme;
if (SDL_GetSystemTheme() == SDL_SYSTEM_THEME_LIGHT) {
ImGui::StyleColorsLight();
@ -86,20 +94,60 @@ int main(int argc, char** argv) {
}
{
ImGui::GetIO().Fonts->ClearFonts();
ImFontConfig fontcfg;
auto* font_atlas = ImGui::GetIO().Fonts;
font_atlas->ClearFonts();
{
ImFontConfig fontcfg;
// upsampling to int looks almost ok
const float font_size_scale = 1.3f;
const float font_oversample = 4.f;
// upsampling to int looks almost ok
const float font_size_scale = 1.3f * display_scale;
const float font_oversample = 4.f;
// default font is pixel perfect at 13
fontcfg.SizePixels = 13.f * font_size_scale;
fontcfg.RasterizerDensity = font_oversample/font_size_scale;
// normally density would be set to dpi scale of the display
// default font is pixel perfect at 13
fontcfg.SizePixels = 13.f * font_size_scale;
fontcfg.RasterizerDensity = font_oversample/font_size_scale;
// normally density would be set to dpi scale of the display
ImGui::GetIO().Fonts->AddFontDefault(&fontcfg);
ImGui::GetIO().Fonts->Build();
font_atlas->AddFontDefault(&fontcfg);
}
if constexpr (false) {
ImFontConfig fontcfg;
//fontcfg.SizePixels = 16.f;
fontcfg.RasterizerDensity = 1.f;
fontcfg.OversampleH = 1;
fontcfg.OversampleV = 1;
fontcfg.PixelSnapH = true;
//ImFontGlyphRangesBuilder glyphbld;
//glyphbld.AddRanges(font_atlas->GetGlyphRangesDefault());
//glyphbld.AddRanges(font_atlas->GetGlyphRangesGreek());
//glyphbld.AddRanges(font_atlas->GetGlyphRangesCyrillic());
//glyphbld.AddRanges(font_atlas->GetGlyphRangesChineseSimplifiedCommon());
font_atlas->AddFontFromFileTTF(
"/nix/store/7fjwhgbz16i08xm171arr081bqpivv7k-hack-font-3.003/share/fonts/truetype/Hack-Regular.ttf",
20.f*display_scale,
&fontcfg,
font_atlas->GetGlyphRangesGreek()
);
fontcfg.MergeMode = true;
font_atlas->AddFontFromFileTTF(
"/nix/store/7fjwhgbz16i08xm171arr081bqpivv7k-hack-font-3.003/share/fonts/truetype/Hack-Regular.ttf",
20.f*display_scale,
&fontcfg,
font_atlas->GetGlyphRangesCyrillic()
);
font_atlas->AddFontFromFileTTF(
"/nix/store/7fjwhgbz16i08xm171arr081bqpivv7k-hack-font-3.003/share/fonts/truetype/Hack-Regular.ttf",
20.f*display_scale,
&fontcfg,
font_atlas->GetGlyphRangesChineseSimplifiedCommon()
);
}
font_atlas->Build();
}
ImGui_ImplSDL3_InitForSDLRenderer(window.get(), renderer.get());