minesweeper: draw colored mine counters

1 files changed, 19 insertions, 6 deletions

diff --git a/src/common/Font.hpp b/src/common/Font.hpp
index 91afe06..af4ddb5 100644
--- a/src/common/Font.hpp
+++ b/src/common/Font.hpp
@@ -1,10 +1,12 @@
 #pragma once
 
-#include <filesystem>
+#include <common/defs.hpp>
 #include <stb_truetype.h>
 
+#include <memory>
 
-struct MonoBitmap {
+
+struct AlphaBitmap {
     int32_t w;
     int32_t h;
     std::unique_ptr<uint8_t> pixels;
@@ -15,7 +17,7 @@ struct Glyph {
     int32_t xoff;
     int32_t yoff;
     int32_t xadvance;
-    MonoBitmap bitmap;
+    AlphaBitmap bitmap;
 };
 
 
@@ -24,12 +26,22 @@ public:
     ~Font();
 
     bool Init(const char* path, int font_size);
-    void Deinit();
+    AlphaBitmap& GetAlphaBitmap(char32_t c);
+    Glyph& GetGlyph(char32_t c);
+
+
 
-    void LoadGlyph(Glyph& glyph, uint32_t codepoint);
+private:
+    bool ReadFile(const char* path);
+    void LoadGlyph(Glyph& glyph, char32_t c);
 
 
 private:
+    static constexpr char first_ascii_ch = ' ';
+    static constexpr char last_ascii_ch = '~';
+    static constexpr char ascii_glyph_count = last_ascii_ch - first_ascii_ch + 1;
+
+
     const char* m_file_content = nullptr;
 
     float m_font_scale;
@@ -37,7 +49,8 @@ private:
     int m_font_yadvance;
 
     stbtt_fontinfo m_font_info;
-    Glyph m_glyphs['~' - ' ' + 1];
+    Glyph m_glyphs[ascii_glyph_count];
+    Glyph m_fail_glyph;
 };