1 files changed, 252 insertions, 0 deletions
diff --git a/ksvg/impl/libs/libtext2path/src/Font.cpp b/ksvg/impl/libs/libtext2path/src/Font.cpp
new file mode 100644
index 00000000..1d6f7005
--- /dev/null
+++ b/ksvg/impl/libs/libtext2path/src/Font.cpp
@@ -0,0 +1,252 @@
+/*
+    Copyright (C) 2003 Nikolas Zimmermann <[email protected]>
+    This file is part of the KDE project
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public License
+    aint with this library; see the file COPYING.LIB.  If not, write to
+    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+    Boston, MA 02110-1301, USA.
+*/
+
+#include <math.h>
+#include <iostream>
+#include <fontconfig/fontconfig.h>
+
+#include "Font.h"
+#include "Tools.h"
+#include "Converter.h"
+
+// Macros
+#define FT_TRUNC(x)		((x) >> 6)
+#define FT_TOFLOAT(x)	((x) * (1.0 / 64.0))
+#define FT_FROMFLOAT(x)	((int) floor ((x) * 64.0 + 0.5))
+
+using namespace T2P;
+
+FontVisualParams::FontVisualParams()
+{
+	m_size = 0.0;
+	m_slant = 0;
+	m_weight = 0;
+}
+
+FontVisualParams::FontVisualParams(const FontVisualParams &other)
+{
+	(*this) = other;
+}
+
+FontVisualParams::~FontVisualParams()
+{
+}
+
+FontVisualParams &FontVisualParams::operator=(const FontVisualParams &other)
+{
+	m_size = other.m_size;
+	m_slant = other.m_slant;
+	m_weight = other.m_weight;
+	m_fontList = other.m_fontList;
+	
+	return *this;
+}
+
+void FontVisualParams::setWeight(int weight)
+{
+	m_weight = weight;
+}
+
+int FontVisualParams::weight() const
+{
+	return m_weight;
+}
+
+void FontVisualParams::setSlant(int slant)
+{
+	m_slant = slant;
+}
+
+int FontVisualParams::slant() const
+{
+	return m_slant;
+}
+
+void FontVisualParams::setSize(double size)
+{
+	m_size = size;
+}
+
+double FontVisualParams::size() const
+{
+	return m_size;
+}
+
+std::list<std::string> &FontVisualParams::fontList()
+{
+	return m_fontList;
+}
+
+// #####
+
+Font::Font(Converter *context) : m_context(context)
+{
+	m_ready = false;
+
+	m_fontFace = 0;
+	m_fontParams = 0;
+}
+
+Font::~Font()
+{
+	// Release font face
+	if(m_ready && m_fontFace)
+	{
+		// FIXME: Debug that!
+		//std::cout << "CALLING DONE FACE " << m_fontFace << std::endl;
+		FT_Done_Face(m_fontFace);
+	}
+
+	delete m_fontParams;
+}
+
+std::string Font::buildRequest(const FontVisualParams *fontParams, int &id)
+{
+	// Use FontConfig to locate & select fonts and use
+	// FreeType2 to open them
+	FcPattern *pattern;
+	std::string fileName;
+
+	pattern = FcPatternBuild(0,
+							 FC_WEIGHT, FcTypeInteger, fontParams->weight(),
+							 FC_SLANT, FcTypeInteger, fontParams->slant(),
+							 FC_SIZE, FcTypeDouble, fontParams->size(),
+							 NULL);
+
+	// Add multiple font names
+	std::list<std::string> &fontList = const_cast<FontVisualParams *>(fontParams)->fontList();
+
+	for(std::list<std::string>::const_iterator it = fontList.begin(); it != fontList.end(); ++it)
+	{
+		std::string string = *it;
+
+		if(!string.empty())
+			FcPatternAddString(pattern, FC_FAMILY, reinterpret_cast<const FcChar8 *>(string.c_str()));
+	}
+
+	// Always load vertical layout
+	FcPatternAddBool(pattern, FC_VERTICAL_LAYOUT, true);
+
+	// Disable hinting
+	FcPatternAddBool(pattern, FC_HINTING, false);
+
+	// Perform the default font pattern modification operations.
+	FcDefaultSubstitute(pattern);
+	FcConfigSubstitute(FcConfigGetCurrent(), pattern, FcMatchPattern);
+
+	// Match the pattern!
+	FcResult result;
+	FcPattern *match = FcFontMatch(0, pattern, &result);
+
+	// Destroy pattern
+	FcPatternDestroy(pattern);
+
+	// Get index & filename
+	FcChar8 *temp;
+
+	if(match)
+	{
+		FcPattern *pattern = FcPatternDuplicate(match);
+
+		// Get index & filename
+		if(FcPatternGetString(pattern, FC_FILE, 0, &temp) != FcResultMatch ||
+		   FcPatternGetInteger(pattern, FC_INDEX, 0, &id) != FcResultMatch)
+		{
+			std::cout << "Font::buildRequest(), could not load font file for requested font \"" << Tools::joinList('|', fontList) << "\"" << std::endl;
+			return fileName;
+		}
+
+		fileName = reinterpret_cast<const char *>(temp);
+
+		// Kill pattern
+		FcPatternDestroy(pattern);
+	}
+
+	// Kill pattern
+	FcPatternDestroy(match); 
+
+	return fileName;
+}
+
+bool Font::load(const FontVisualParams *fontParams)
+{	
+	// Build FontConfig request pattern
+	int id = -1;
+	std::string filename = Font::buildRequest(fontParams, id);
+
+	// Load font directly using FreeType2
+	std::cout << "Font::load(), loading " << filename << " for requested font \"" << Tools::joinList('|', const_cast<FontVisualParams *>(fontParams)->fontList()) << "\"" << std::endl;
+
+	FT_Error error = FT_New_Face(m_context->library(), filename.c_str(), id, &m_fontFace);
+	if(error)
+	{
+		std::cout << "Font::load(), could not load font. Aborting!" << std::endl;
+		return false;
+	}
+	if(!FT_IS_SCALABLE(m_fontFace))
+	{
+		std::cout << "Font::load(), font does not contain outlines. Aborting!" << std::endl;
+		FT_Done_Face(m_fontFace);
+		m_fontFace = 0;
+		return false;
+	}
+
+	// Choose unicode charmap
+	for(int charmap = 0; charmap < m_fontFace->num_charmaps; charmap++)
+	{
+		if(m_fontFace->charmaps[charmap]->encoding == ft_encoding_unicode)
+		{
+			FT_Error error = FT_Set_Charmap(m_fontFace, m_fontFace->charmaps[charmap]);
+
+			if(error)
+			{
+				std::cout << "Font::load(), unable to select unicode charmap. Aborting!" << std::endl;
+
+				FT_Done_Face(m_fontFace);
+				m_fontFace = 0;
+
+				return false;
+			}
+		}
+	}
+
+	m_fontParams = fontParams;
+	m_fontFile = filename;
+	m_ready = true;
+
+	return true;
+}
+
+FT_Face &Font::fontFace()
+{
+	return m_fontFace;
+}
+
+std::string Font::fontFile() const
+{
+	return m_fontFile;
+}
+
+const FontVisualParams *Font::fontParams() const
+{
+	return m_fontParams;
+}
+
+// vim:ts=4:noet