v1.4.4

source/rendering/StarFontTextureGroup.hpp

@@ -0,0 +1,40 @@
+#ifndef STAR_FONT_TEXTURE_GROUP_HPP
+#define STAR_FONT_TEXTURE_GROUP_HPP
+
+#include "StarColor.hpp"
+#include "StarFont.hpp"
+#include "StarRenderer.hpp"
+
+namespace Star {
+
+STAR_CLASS(FontTextureGroup);
+
+class FontTextureGroup {
+public:
+  FontTextureGroup(FontPtr font, TextureGroupPtr textureGroup);
+
+  TexturePtr glyphTexture(String::Char, unsigned fontSize);
+  TexturePtr glyphTexture(String::Char, unsigned fontSize, String const& processingDirectives);
+
+  unsigned glyphWidth(String::Char c, unsigned fontSize);
+
+  // Removes glyphs that haven't been used in more than the given time in
+  // milliseconds
+  void cleanup(int64_t timeout);
+
+private:
+  typedef tuple<String::Char, unsigned, String> GlyphDescriptor;
+
+  struct GlyphTexture {
+    TexturePtr texture;
+    int64_t time;
+  };
+
+  FontPtr m_font;
+  TextureGroupPtr m_textureGroup;
+  HashMap<GlyphDescriptor, GlyphTexture> m_glyphs;
+};
+
+}
+
+#endif