imported Löve GLES branch (changeset 1ba9037e558b)

2026-08-19 04:05:22 +02:00 · 2013-12-05 18:05:13 +01:00
parent 41b2db04a7
commit 2644d1ee18
615 changed files with 150300 additions and 0 deletions
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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.
+ **/
+
+// LOVE
+#include "GlyphData.h"
+
+// UTF-8
+#include "libraries/utf8/utf8.h"
+
+// stdlib
+#include <iostream>
+#include <cstddef>
+
+namespace love
+{
+namespace font
+{
+
+GlyphData::GlyphData(uint32 glyph, GlyphMetrics glyphMetrics, GlyphData::Format f)
+	: glyph(glyph)
+	, metrics(glyphMetrics)
+	, data(0)
+	, format(f)
+{
+	if (metrics.width > 0 && metrics.height > 0)
+	{
+		switch (f)
+		{
+		case GlyphData::FORMAT_LUMINANCE_ALPHA:
+			data = new unsigned char[metrics.width * metrics.height * 2];
+			break;
+		case GlyphData::FORMAT_RGBA:
+		default:
+			data = new unsigned char[metrics.width * metrics.height * 4];
+			break;
+		}
+	}
+}
+
+GlyphData::~GlyphData()
+{
+	delete[] data;
+}
+
+void *GlyphData::getData() const
+{
+	return (void *) data;
+}
+
+int GlyphData::getSize() const
+{
+	switch (format)
+	{
+	case GlyphData::FORMAT_LUMINANCE_ALPHA:
+		return getWidth() * getHeight() * 2;
+		break;
+	case GlyphData::FORMAT_RGBA:
+	default:
+		return getWidth() * getHeight() * 4;
+		break;
+	}
+
+}
+
+int GlyphData::getHeight() const
+{
+	return metrics.height;
+}
+
+int GlyphData::getWidth() const
+{
+	return metrics.width;
+}
+
+uint32 GlyphData::getGlyph() const
+{
+	return glyph;
+}
+
+std::string GlyphData::getGlyphString() const
+{
+	char u[5] = {0, 0, 0, 0, 0};
+	ptrdiff_t length = 0;
+
+	try
+	{
+		char *end = utf8::append(glyph, u);
+		length = end - u;
+	}
+	catch (utf8::exception &e)
+	{
+		throw love::Exception("Decoding error: %s", e.what());
+	}
+
+	// Just in case...
+	if (length < 0)
+		return "";
+
+	return std::string(u, length);
+}
+
+int GlyphData::getAdvance() const
+{
+	return metrics.advance;
+}
+
+int GlyphData::getBearingX() const
+{
+	return metrics.bearingX;
+}
+
+int GlyphData::getBearingY() const
+{
+	return metrics.bearingY;
+}
+
+int GlyphData::getMinX() const
+{
+	return this->getBearingX();
+}
+
+int GlyphData::getMinY() const
+{
+	return this->getHeight() - this->getBearingY();
+}
+
+int GlyphData::getMaxX() const
+{
+	return this->getBearingX() + this->getWidth();
+}
+
+int GlyphData::getMaxY() const
+{
+	return this->getBearingY();
+}
+
+GlyphData::Format GlyphData::getFormat() const
+{
+	return format;
+}
+
+bool GlyphData::getConstant(const char *in, GlyphData::Format &out)
+{
+	return formats.find(in, out);
+}
+
+bool GlyphData::getConstant(GlyphData::Format in, const char *&out)
+{
+	return formats.find(in, out);
+}
+
+StringMap<GlyphData::Format, GlyphData::FORMAT_MAX_ENUM>::Entry GlyphData::formatEntries[] =
+{
+	{"luminance alpha", GlyphData::FORMAT_LUMINANCE_ALPHA},
+	{"rgba", GlyphData::FORMAT_RGBA},
+};
+
+StringMap<GlyphData::Format, GlyphData::FORMAT_MAX_ENUM> GlyphData::formats(GlyphData::formatEntries, sizeof(GlyphData::formatEntries));
+
+} // font
+} // love