Move most of Text and Video love.graphics classes out of the opengl subfolder.

--HG--
branch : minor

src/modules/graphics/Text.h

@@ -0,0 +1,99 @@
+/**
+* Copyright (c) 2006-2017 LOVE Development Team
+*
+* This software is provided 'as-is', without any express or implied
+* warranty.  In no event will the authors be held liable for any damages
+* arising from the use of this software.
+*
+* Permission is granted to anyone to use this software for any purpose,
+* including commercial applications, and to alter it and redistribute it
+* freely, subject to the following restrictions:
+*
+* 1. The origin of this software must not be misrepresented; you must not
+*    claim that you wrote the original software. If you use this software
+*    in a product, an acknowledgment in the product documentation would be
+*    appreciated but is not required.
+* 2. Altered source versions must be plainly marked as such, and must not be
+*    misrepresented as being the original software.
+* 3. This notice may not be removed or altered from any source distribution.
+**/
+
+#pragma once
+
+// LOVE
+#include "common/config.h"
+#include "Drawable.h"
+#include "Font.h"
+#include "Buffer.h"
+
+namespace love
+{
+namespace graphics
+{
+
+class Graphics;
+
+class Text : public Drawable
+{
+public:
+
+	static love::Type type;
+
+	Text(Graphics *gfx, Font *font, const std::vector<Font::ColoredString> &text = {});
+	virtual ~Text();
+
+	void set(const std::vector<Font::ColoredString> &text);
+	void set(const std::vector<Font::ColoredString> &text, float wrap, Font::AlignMode align);
+
+	int add(const std::vector<Font::ColoredString> &text, const Matrix4 &m);
+	int addf(const std::vector<Font::ColoredString> &text, float wrap, Font::AlignMode align, const Matrix4 &m);
+
+	void clear();
+
+	void setFont(Font *f);
+	Font *getFont() const;
+
+	/**
+	 * Gets the width of the currently set text.
+	 **/
+	int getWidth(int index = 0) const;
+
+	/**
+	 * Gets the height of the currently set text.
+	 **/
+	int getHeight(int index = 0) const;
+
+protected:
+
+	struct TextData
+	{
+		Font::ColoredCodepoints codepoints;
+		float wrap;
+		Font::AlignMode align;
+		Font::TextInfo text_info;
+		bool use_matrix;
+		bool append_vertices;
+		Matrix4 matrix;
+	};
+
+	void uploadVertices(const std::vector<Font::GlyphVertex> &vertices, size_t vertoffset);
+	void regenerateVertices();
+	void addTextData(const TextData &s);
+
+	StrongRef<Font> font;
+	Buffer *vbo;
+	QuadIndices quadIndices;
+
+	std::vector<Font::DrawCommand> draw_commands;
+
+	std::vector<TextData> text_data;
+
+	size_t vert_offset;
+	
+	// Used so we know when the font's texture cache is invalidated.
+	uint32 texture_cache_id;
+	
+}; // Text
+
+} // graphics
+} // love