97 lines
3 KiB
C++
97 lines
3 KiB
C++
#include <psemek/ui/font.hpp>
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#include <psemek/ui/monospace_font.hpp>
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#include <psemek/ui/kerned_font.hpp>
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#include <psemek/gfx/resource/font_9x12_png.hpp>
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#include <psemek/ui/resources/font_9x12_glyphs_txt.hpp>
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#include <psemek/gfx/resource/font_10x12_bold_png.hpp>
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#include <psemek/ui/resources/font_10x12_bold_glyphs_txt.hpp>
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#include <psemek/io/memory_stream.hpp>
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#include <sstream>
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namespace psemek::ui
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{
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std::unique_ptr<font> make_default_monospace_9x12_font()
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{
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character_range range{32, 128};
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std::string_view name = "default_monospace_9x12";
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geom::vector<int, 2> size{9, 12};
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gfx::texture_2d atlas = gfx::texture_2d::from_pixmap(gfx::read_png_monochrome(io::memory_istream{gfx::resource::font_9x12_png.data}));
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atlas.nearest_filter();
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atlas.clamp();
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gl::TexParameteri(atlas.target, gl::TEXTURE_SWIZZLE_G, gl::RED);
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gl::TexParameteri(atlas.target, gl::TEXTURE_SWIZZLE_B, gl::RED);
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gl::TexParameteri(atlas.target, gl::TEXTURE_SWIZZLE_A, gl::RED);
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std::vector<geom::box<float, 2>> texcoords(range.end - range.begin);
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for (char32_t c = range.begin; c < range.end; ++c)
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{
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int const row = 16;
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int x = (c - range.begin) % row;
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int y = (c - range.begin) / row;
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geom::box<float, 2> b;
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b[0].min = x * 11 + 1;
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b[0].max = b[0].min + 9;
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b[1].min = y * 14 + 1;
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b[1].max = b[1].min + 12;
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texcoords[c - range.begin] = b;
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}
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return std::make_unique<monospace_font>(range, name, size, std::move(atlas), std::move(texcoords));
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}
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static std::unique_ptr<font> make_default_font(std::string_view name, geom::vector<int, 2> const & size, rs::resource const & atlas_resource, rs::resource const & glyphs_resource)
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{
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gfx::texture_2d atlas = gfx::texture_2d::from_pixmap(gfx::read_png_monochrome(io::memory_istream{atlas_resource.data}));
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atlas.nearest_filter();
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atlas.clamp();
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gl::TexParameteri(atlas.target, gl::TEXTURE_SWIZZLE_G, gl::RED);
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gl::TexParameteri(atlas.target, gl::TEXTURE_SWIZZLE_B, gl::RED);
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gl::TexParameteri(atlas.target, gl::TEXTURE_SWIZZLE_A, gl::RED);
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bmfont_data data;
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data.name = name;
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data.size = size;
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data.baseline = 2;
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{
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std::istringstream is{std::string(glyphs_resource.data)};
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std::string line;
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while (std::getline(is, line))
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{
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if (auto pos = line.find('#'); pos != std::string::npos)
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line = line.substr(0, pos);
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if (line.empty()) continue;
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std::istringstream is{std::move(line)};
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int c;
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is >> c;
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auto & glyph = data.glyphs[c];
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is >> glyph.start_x >> glyph.start_y >> glyph.size_x >> glyph.size_y >> glyph.offset_x >> glyph.offset_y >> glyph.advance;
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}
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}
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return std::make_unique<kerned_font>(std::move(data), std::move(atlas));
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}
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std::unique_ptr<font> make_default_9x12_font()
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{
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return make_default_font("default_9x12", {9, 12}, gfx::resource::font_9x12_png, ui::resources::font_9x12_glyphs_txt);
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}
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std::unique_ptr<font> make_default_10x12_bold_font()
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{
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return make_default_font("default_10x12_bold", {10, 12}, gfx::resource::font_10x12_bold_png, ui::resources::font_10x12_bold_glyphs_txt);
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}
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}
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