41 lines
1.2 KiB
C++
41 lines
1.2 KiB
C++
_Pragma("once")
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#include "pch.hpp"
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#include "texture.hpp"
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#include "tool.hpp"
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#include "renderer.hpp"
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/*
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* @brief a small tool to draw simple chars without font resource.
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* supported chars: 0~9, a~z, `:`,
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* @warning use this when you don't want contact your application with ttf font resource, like unit test.
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* don't use this in your game, this works slowly and ugly!
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*/
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class InnerBmpFont final {
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public:
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InnerBmpFont();
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InnerBmpFont(const InnerBmpFont& o) = delete;
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InnerBmpFont& operator=(const InnerBmpFont& o) = delete;
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void RenderChar(int ch, int pt, const Point& pos, const Color& color);
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void Render(const std::string& str,
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int pt,
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const Point& pos,
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const Color& color);
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bool HasChar(int ch);
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private:
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static constexpr int FontWidth = 8;
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static constexpr int FontHeight = 8;
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using fontMat = std::array<bool, FontWidth * FontHeight>;
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fontMat errorChar_;
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std::unordered_map<char, fontMat> chars_;
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Unique<Texture> errorTexture_ = nullptr;
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void saveChar(char c, const fontMat& m);
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void renderChar(const fontMat& data,
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int pt,
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const Point& pos,
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const Color& color);
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};
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