* Full author contact details are available in file CREDITS.
*/
-#ifndef QT4_FONTLOADER_H
-#define QT4_FONTLOADER_H
+#ifndef GUI_FONTLOADER_H
+#define GUI_FONTLOADER_H
-#include "frontends/FontLoader.h"
-
-#include "encoding.h"
-#include "lyxfont.h"
-
-#include <QFont>
-#include <QFontMetrics>
-
-//#if QT_VERSION < 0x030100
-#define USE_LYX_FONTCACHE
-//#endif
-
-#if defined(USE_LYX_FONTCACHE)
-#include <map>
-#endif
+class QFont;
namespace lyx {
-namespace frontend {
-
-/**
- * Qt font loader for LyX. Matches LyXFonts against
- * actual QFont instances, and also caches metrics.
- */
-class QLFontInfo {
-public:
- QLFontInfo(LyXFont const & f);
-
- /// Return pixel width for the given unicode char
- int width(Uchar val);
- /// The font instance
- QFont font;
- /// Metrics on the font
- QFontMetrics metrics;
+class FontInfo;
-#if defined(USE_LYX_FONTCACHE)
- typedef std::map<Uchar, int> WidthCache;
- /// Cache of char widths
- WidthCache widthcache;
-#endif
-};
-
-
-/// Hold info about a particular font
-class GuiFontLoader: public FontLoader
-{
-public:
- ///
- GuiFontLoader();
-
- /// Destructor
- virtual ~GuiFontLoader();
-
- /// Update fonts after zoom, dpi, font names, or norm change
- virtual void update();
-
- /// Do we have anything matching?
- virtual bool available(LyXFont const & f);
-
- /// Get the QFont for this LyXFont
- QFont const & get(LyXFont const & f) {
- return fontinfo(f).font;
- }
-
- /// Get the QFont metrics for this LyXFont
- QFontMetrics const & metrics(LyXFont const & f) {
- return fontinfo(f).metrics;
- }
-
- /// Get font info (font + metrics) for the given LyX font.
- QLFontInfo & fontinfo(LyXFont const & f) {
- // fi is a reference to the pointer type (QLFontInfo *) in the
- // fontinfo_ table.
- QLFontInfo * & fi =
- fontinfo_[f.family()][f.series()][f.realShape()][f.size()];
- if (!fi)
- fi = new QLFontInfo(f);
- return *fi;
- }
+namespace frontend {
-private:
- /// BUTT ugly !
- QLFontInfo * fontinfo_[LyXFont::NUM_FAMILIES][2][4][10];
-};
+class GuiFontMetrics;
+/// Metrics on the font
+GuiFontMetrics const & getFontMetrics(FontInfo const & f);
+/// Get the QFont for this FontInfo
+QFont const & getFont(FontInfo const & f);
} // namespace frontend
} // namespace lyx
-#endif // QT4_FONTLOADER_H
+#endif // GUI_FONTLOADER_H