update by Tim

1 files changed, 121 insertions, 0 deletions

diff --git a/noncore/apps/opie-reader/FontControl.h b/noncore/apps/opie-reader/FontControl.h
new file mode 100644
index 0000000..ed6c33f
--- a/dev/null
+++ b/noncore/apps/opie-reader/FontControl.h
@@ -0,0 +1,121 @@
+#ifndef __FONTCONTROL_H
+#define __FONTCONTROL_H
+
+#include <qfontdatabase.h>
+#include <qfontmetrics.h>
+#include "StyleConsts.h"
+
+class FontControl
+{
+    int * m_fontsizes;
+    int m_size;
+    QString m_fontname;
+    int m_maxsize;
+ public:
+    FontControl(QString n = "helvetica", int size = 10)
+	:
+	m_fontsizes(NULL)
+    {
+	ChangeFont(n, size);
+    }
+    ~FontControl()
+	{
+	    if (m_fontsizes != NULL) delete [] m_fontsizes;
+	}
+    QString name() { return m_fontname; }
+    int currentsize() { return m_fontsizes[m_size]; }
+    int getsize(CStyle size)
+	{
+	    return m_fontsizes[m_size+size.getFontSize()];
+	}
+    int ascent()
+    {
+	QFont f(name(), currentsize());
+	QFontMetrics fm(f);
+	return fm.ascent();
+    }
+    int ascent(CStyle ch)
+    {
+	QFont f(name(), getsize(ch));
+	QFontMetrics fm(f);
+	return fm.ascent();
+    }
+    int descent()
+    {
+	QFont f(name(), currentsize());
+	QFontMetrics fm(f);
+	return fm.descent();
+    }
+    int descent(CStyle ch)
+    {
+	QFont f(name(), getsize(ch));
+	QFontMetrics fm(f);
+	return fm.descent();
+    }
+    int lineSpacing()
+    {
+	QFont f(name(), currentsize());
+	QFontMetrics fm(f);
+	return fm.lineSpacing();
+    }
+    int lineSpacing(CStyle ch)
+    {
+	QFont f(name(), getsize(ch));
+	QFontMetrics fm(f);
+	return fm.lineSpacing();
+    }
+    bool decreasesize()
+	{
+	    if (--m_size < 0)
+	    {
+		m_size = 0;
+		return false;
+	    }
+	    else return true;
+	}
+    bool increasesize()
+	{
+	    if (++m_size >= m_maxsize)
+	    {
+		m_size = m_maxsize - 1;
+		return false;
+	    }
+	    else return true;
+	}
+    bool ChangeFont(QString& n)
+	{
+	    return ChangeFont(n, currentsize());
+	}
+    bool ChangeFont(QString& n, int tgt)
+	{
+	    QValueList<int>::Iterator it;
+	    QFontDatabase fdb;
+	    QValueList<int> sizes = fdb.pointSizes(n);
+	    if (sizes.count() == 0)
+	    {
+		return false;
+	    }
+	    else
+	    {
+		m_fontname = n;
+		m_maxsize = sizes.count();
+		if (m_fontsizes != NULL) delete [] m_fontsizes;
+		m_fontsizes = new int[m_maxsize];
+		uint i = 0;
+		uint best = 0;
+		for (it = sizes.begin(); it != sizes.end(); it++)
+		{
+		    m_fontsizes[i] = (*it)/10;
+		    if (abs(tgt-m_fontsizes[i]) < abs(tgt-m_fontsizes[best]))
+		    {
+			best = i;
+		    }
+		    i++;
+		}
+		m_size = best;
+	    }
+	    return true;
+	}
+};
+
+#endif