X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Frender%2Ftext.h;fp=source%2Frender%2Ftext.h;h=40c9b8500097d1591f8be68b1ad6b3234870729b;hb=7aaec9a70b8d7733429bec043f8e33e02956f266;hp=0000000000000000000000000000000000000000;hpb=bec07999d95b76f4b47cffcc564d0cd0afc0435e;p=libs%2Fgl.git

diff --git a/source/render/text.h b/source/render/text.h
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+++ b/source/render/text.h
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+#ifndef MSP_GL_TEXT_H_
+#define MSP_GL_TEXT_H_
+
+#include "font.h"
+#include "mesh.h"
+#include "object.h"
+#include "technique.h"
+
+namespace Msp {
+namespace GL {
+
+/**
+Creates an object consisting of the visual representation of a string.  Can be
+used with an ObjectInstance to further customize the appearance.
+*/
+class Text: public Renderable
+{
+public:
+	enum HorizontalAlign
+	{
+		LEFT,
+		CENTER,
+		RIGHT
+	};
+
+	enum VerticalAlign
+	{
+		DESCENT,
+		BASELINE,
+		MIDLINE,
+		ASCENT
+	};
+
+private:
+	const Font &font;
+	Mesh mesh;
+	Object object;
+	Technique technique;
+	float horz_align;
+	float vert_offset;
+	float width;
+
+public:
+	Text(const Font &, const Technique * = 0);
+
+	const Mesh *get_mesh() const { return &mesh; }
+
+	/** Sets technique to render with.  It should have a texture slot named
+	"diffuse_map", which will be replaced with the font's texture. */
+	void set_technique(const Technique *);
+
+	const Technique *get_technique() const { return object.get_technique(); }
+
+	/// Sets the string to be displayed.
+	void set_text(const std::string &, StringCodec::Decoder &);
+
+	template<typename C>
+	void set_text(const std::string &t)
+	{
+		typename C::Decoder dec;
+		set_text(t, dec);
+	}
+
+	void set_text(const std::string &t)
+	{ set_text<StringCodec::Utf8>(t); }
+
+	/// Clears the object's contents.
+	void clear();
+
+	/// Sets horizontal and vertical alignment with predefined anchors.
+	void set_alignment(HorizontalAlign, VerticalAlign = BASELINE);
+
+	/** Sets horizontal and vertical alignment.  0.0 means left or baseline,
+	1.0 means right or top. */
+	void set_alignment(float, float = 0.0f);
+
+	float get_width() const { return width; }
+
+	virtual void render(Renderer &, const Tag & = Tag()) const;
+
+	operator const Object &() const { return object; }
+};
+
+} // namespace GL
+} // namespace Msp
+
+#endif