imported Löve GLES branch (changeset 1ba9037e558b)

2026-08-20 04:31:26 +02:00 · 2013-12-05 18:05:13 +01:00
parent 41b2db04a7
commit 2644d1ee18
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+/**
+ * Copyright (c) 2006-2013 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.
+ **/
+
+#ifndef LOVE_FONT_GLYPH_DATA_H
+#define LOVE_FONT_GLYPH_DATA_H
+
+// LOVE
+#include "common/config.h"
+#include "common/Data.h"
+#include "common/Exception.h"
+#include "common/StringMap.h"
+#include "common/int.h"
+
+// stdlib
+#include <string>
+
+namespace love
+{
+namespace font
+{
+
+/**
+ * Holds the specific glyph data.
+ **/
+struct GlyphMetrics
+{
+	int height;
+	int width;
+	int advance;
+	int bearingX;
+	int bearingY;
+	int spacing;
+};
+
+/**
+ * Holds data for a specic glyph object.
+ **/
+class GlyphData : public Data
+{
+public:
+
+	enum Format
+	{
+		FORMAT_LUMINANCE_ALPHA,
+		FORMAT_RGBA,
+		FORMAT_MAX_ENUM
+	};
+
+	GlyphData(uint32 glyph, GlyphMetrics glyphMetrics, Format f);
+	virtual ~GlyphData();
+
+	// Implements Data.
+	void *getData() const;
+	int getSize() const;
+
+	/**
+	 * Gets the height of the glyph.
+	 **/
+	virtual int getHeight() const;
+
+	/**
+	 * Gets the width of the glyph.
+	 **/
+	virtual int getWidth() const;
+
+	/**
+	 * Gets the glyph codepoint itself.
+	 **/
+	uint32 getGlyph() const;
+
+	/**
+	 * Gets the glyph as a UTF-8 string (instead of a UTF-8 code point.)
+	 **/
+	std::string getGlyphString() const;
+
+	/**
+	 * Gets the advance (the space the glyph takes up) of the glyph.
+	 **/
+	int getAdvance() const;
+
+	/**
+	 * Gets bearing (the spacing from origin) along the x-axis of the glyph.
+	 **/
+	int getBearingX() const;
+
+	/**
+	 * Gets bearing (the spacing from origin) along the y-axis of the glyph.
+	 **/
+	int getBearingY() const;
+
+	/**
+	 * Gets the min x value of the glyph.
+	 **/
+	int getMinX() const;
+
+	/**
+	 * Gets the min y value of the glyph.
+	 **/
+	int getMinY() const;
+
+	/**
+	 * Gets the max x value of the glyph.
+	 **/
+	int getMaxX() const;
+
+	/**
+	 * Gets the max y value of the glyph.
+	 **/
+	int getMaxY() const;
+
+	/**
+	 * Gets the format of the glyph data.
+	 **/
+	Format getFormat() const;
+
+	static bool getConstant(const char *in, Format &out);
+	static bool getConstant(Format in, const char *&out);
+
+private:
+
+	// The glyph codepoint itself.
+	uint32 glyph;
+
+	// Glyph metrics.
+	GlyphMetrics metrics;
+
+	// Glyph texture data.
+	unsigned char *data;
+
+	// The format the data's in.
+	Format format;
+
+	static StringMap<Format, FORMAT_MAX_ENUM>::Entry formatEntries[];
+	static StringMap<Format, FORMAT_MAX_ENUM> formats;
+
+}; // GlyphData
+
+} // font
+} // love
+
+#endif // LOVE_FONT_GLYPH_DATA_H