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97 lines
4.0 KiB
C++
97 lines
4.0 KiB
C++
#include "overlay.h"
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#include "file_utils.h"
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#include "font_default.h"
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#include "IconsForkAwesome.h"
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void create_fonts(const overlay_params& params, ImFont*& small_font, ImFont*& text_font)
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{
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auto& io = ImGui::GetIO();
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io.Fonts->Clear();
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ImGui::GetIO().FontGlobalScale = params.font_scale; // set here too so ImGui::CalcTextSize is correct
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float font_size = params.font_size;
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if (font_size < FLT_EPSILON)
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font_size = 24;
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float font_size_text = params.font_size_text;
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if (font_size_text < FLT_EPSILON)
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font_size_text = font_size;
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static const ImWchar default_range[] =
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{
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0x0020, 0x00FF, // Basic Latin + Latin Supplement
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//0x0100, 0x017F, // Latin Extended-A
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//0x2103, 0x2103, // Degree Celsius
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//0x2109, 0x2109, // Degree Fahrenheit
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0,
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};
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ImVector<ImWchar> glyph_ranges;
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ImFontGlyphRangesBuilder builder;
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builder.AddRanges(io.Fonts->GetGlyphRangesDefault());
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if (params.font_glyph_ranges & FG_KOREAN)
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builder.AddRanges(io.Fonts->GetGlyphRangesKorean());
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if (params.font_glyph_ranges & FG_CHINESE_FULL)
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builder.AddRanges(io.Fonts->GetGlyphRangesChineseFull());
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if (params.font_glyph_ranges & FG_CHINESE_SIMPLIFIED)
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builder.AddRanges(io.Fonts->GetGlyphRangesChineseSimplifiedCommon());
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if (params.font_glyph_ranges & FG_JAPANESE)
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builder.AddRanges(io.Fonts->GetGlyphRangesJapanese()); // Not exactly Shift JIS compatible?
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if (params.font_glyph_ranges & FG_CYRILLIC)
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builder.AddRanges(io.Fonts->GetGlyphRangesCyrillic());
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if (params.font_glyph_ranges & FG_THAI)
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builder.AddRanges(io.Fonts->GetGlyphRangesThai());
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if (params.font_glyph_ranges & FG_VIETNAMESE)
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builder.AddRanges(io.Fonts->GetGlyphRangesVietnamese());
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if (params.font_glyph_ranges & FG_LATIN_EXT_A) {
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constexpr ImWchar latin_ext_a[] { 0x0100, 0x017F, 0 };
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builder.AddRanges(latin_ext_a);
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}
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if (params.font_glyph_ranges & FG_LATIN_EXT_B) {
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constexpr ImWchar latin_ext_b[] { 0x0180, 0x024F, 0 };
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builder.AddRanges(latin_ext_b);
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}
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builder.BuildRanges(&glyph_ranges);
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bool same_font = (params.font_file == params.font_file_text || params.font_file_text.empty());
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bool same_size = (font_size == font_size_text);
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// ImGui takes ownership of the data, no need to free it
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if (!params.font_file.empty() && file_exists(params.font_file)) {
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io.Fonts->AddFontFromFileTTF(params.font_file.c_str(), font_size, nullptr, same_font && same_size ? glyph_ranges.Data : default_range);
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ImFontConfig config;
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config.MergeMode = true;
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config.GlyphMinAdvanceX = 13.0f;
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static const ImWchar icon_ranges[] = { ICON_MIN_FK, ICON_MAX_FK, 0 };
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io.Fonts->AddFontFromFileTTF("icons/forkawesome-webfont.ttf", 13.0f, &config, icon_ranges);
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if (params.no_small_font)
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small_font = io.Fonts->Fonts[0];
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else
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small_font = io.Fonts->AddFontFromFileTTF(params.font_file.c_str(), font_size * 0.55f, nullptr, default_range);
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} else {
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const char* ttf_compressed_base85 = GetDefaultCompressedFontDataTTFBase85();
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io.Fonts->AddFontFromMemoryCompressedBase85TTF(ttf_compressed_base85, font_size, nullptr, default_range);
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ImFontConfig config;
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config.MergeMode = true;
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config.GlyphMinAdvanceX = 13.0f;
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static const ImWchar icon_ranges[] = { ICON_MIN_FK, ICON_MAX_FK, 0 };
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io.Fonts->AddFontFromFileTTF("icons/forkawesome-webfont.ttf", 13.0f, &config, icon_ranges);
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if (params.no_small_font)
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small_font = io.Fonts->Fonts[0];
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else
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small_font = io.Fonts->AddFontFromMemoryCompressedBase85TTF(ttf_compressed_base85, font_size * 0.55f, nullptr, default_range);
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}
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auto font_file_text = params.font_file_text;
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if (font_file_text.empty())
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font_file_text = params.font_file;
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if ((!same_font || !same_size) && file_exists(font_file_text))
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text_font = io.Fonts->AddFontFromFileTTF(font_file_text.c_str(), font_size_text, nullptr, glyph_ranges.Data);
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else
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text_font = io.Fonts->Fonts[0];
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io.Fonts->Build();
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}
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