56 lines
1.6 KiB
C++
56 lines
1.6 KiB
C++
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#ifndef __FONT_UTILS_HPP__
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#define __FONT_UTILS_HPP__
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#include <memory>
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#include <vector>
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#include <assert.h>
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#include <wx/font.h>
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namespace Slic3r {
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/// <summary>
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/// keep information from file about font
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/// (store file data itself)
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/// + cache data readed from buffer
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/// </summary>
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struct FontFile
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{
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// loaded data from font file
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// must store data size for imgui rasterization
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// To not store data on heap and To prevent unneccesary copy
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// data are stored inside unique_ptr
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std::unique_ptr<std::vector<unsigned char>> data;
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struct Info
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{
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// vertical position is "scale*(ascent - descent + lineGap)"
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int ascent, descent, linegap;
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// for convert font units to pixel
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int unit_per_em;
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};
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// info for each font in data
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std::vector<Info> infos;
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FontFile(std::unique_ptr<std::vector<unsigned char>> data, std::vector<Info> &&infos) : data(std::move(data)), infos(std::move(infos))
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{
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assert(this->data != nullptr);
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assert(!this->data->empty());
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}
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bool operator==(const FontFile &other) const
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{
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if (data->size() != other.data->size()) return false;
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// if(*data != *other.data) return false;
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for (size_t i = 0; i < infos.size(); i++)
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if (infos[i].ascent != other.infos[i].ascent || infos[i].descent == other.infos[i].descent || infos[i].linegap == other.infos[i].linegap) return false;
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return true;
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}
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};
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bool can_generate_text_shape(const std::string &font_name);
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bool can_load(const wxFont &font);
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} // namespace Slic3r
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#endif
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