48 lines
1.2 KiB
C++
48 lines
1.2 KiB
C++
#pragma once
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#include <SDL3/SDL.h>
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#include <cstdint>
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#include <string>
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#include <unordered_map>
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class Text {
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public:
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Text(const char* fnt_file, const char* gif_file);
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~Text();
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// Pinta texto sobre un buffer ARGB de 320x200
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void draw(Uint32* pixel_data, int x, int y, const char* text, Uint32 color) const;
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void drawCentered(Uint32* pixel_data, int y, const char* text, Uint32 color) const;
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// Calcula ancho en píxeles d'un text
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[[nodiscard]] auto width(const char* text) const -> int;
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[[nodiscard]] auto charHeight() const -> int { return box_height_; }
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private:
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struct GlyphInfo {
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int x, y; // posició en el bitmap
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int w; // ample visual
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};
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int box_width_{0};
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int box_height_{0};
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int columns_{0};
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int cell_spacing_{0};
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int row_spacing_{0};
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Uint8* bitmap_{nullptr}; // píxels 8-bit del GIF de la font
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int bitmap_width_{0};
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int bitmap_height_{0};
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std::unordered_map<uint32_t, GlyphInfo> glyphs_;
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static auto nextCodepoint(const char*& ptr) -> uint32_t;
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void loadFont(const char* fnt_file);
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void loadBitmap(const char* gif_file);
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static constexpr int SCREEN_WIDTH = 320;
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static constexpr int SCREEN_HEIGHT = 200;
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};
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