Initial commit

include/Spectre/Graphics/Font.h

@@ -0,0 +1,74 @@
+
+#ifndef SPECTRE_GRAPHCIS_FONT_H
+#define SPECTRE_GRAPHCIS_FONT_H
+
+#include <map>
+#include <vector>
+#include <string>
+
+#include <Spectre/Math/Vector4.h>
+#include <Spectre/Math/Vector2.h>
+#include <Spectre/Graphics/Texture.h>
+
+class FontDriver;
+
+// TODO: Fixup this api :)
+
+class Font
+{
+public :
+
+	struct Info {
+		std::string name;
+	};
+
+	struct Glyph {
+		vec2b size;		// Width, Height of bounding box.
+		vec2b offset;		// Offset from cursor where the box begins.
+		unsigned char advance;
+
+		//vec4u tex_coords;
+		vec2u texture_origin;
+		const Texture* texture; // Texture atlas.
+	};
+
+	Font();
+	~Font();
+
+	bool loadFromFile(const std::string& filename, unsigned int size = 22);
+
+	bool loadFromMemory(const void *data, unsigned int size);
+
+	Glyph getGlyph(unsigned int code) const;
+
+	const Texture* getTexture() const;
+
+protected :
+
+	bool loadData();
+
+	void loadChar(unsigned char code) const;
+
+	void createTexture();
+
+	void resizeTexture() const;
+
+	Vector2u findTextureRegion(const Image& img) const;
+
+protected :
+
+	FontDriver *m_driver;
+
+	mutable std::map<unsigned char, Glyph> m_charset;
+
+	unsigned int m_size; // font size, in pixels. not points.
+
+	// Texture atlas used by the font.
+	mutable Texture			m_texture;
+	mutable vec2u			m_texpos;
+	mutable unsigned		m_shelf;
+
+	std::vector<unsigned char> m_rawData;
+};
+
+#endif /* SPECTRE_GRAPHCIS_FONT_H */