1 files changed, 81 insertions, 0 deletions
diff --git a/ffont.h b/ffont.h
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--- /dev/null
+++ b/ffont.h
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+/*
+ * targavfd plugin for VDR (C++)
+ *
+ * (C) 2010 Andreas Brachold <vdr07 AT deltab de>
+ *     Glyph handling based on <vdr/font.c>
+ *
+ * This targavfd plugin is free software: you can redistribute it and/or 
+ * modify it under the terms of the GNU General Public License as published 
+ * by the Free Software Foundation, version 3 of the License.
+ *
+ * See the files README and COPYING for details.
+ *
+ */
+
+#ifndef __VFD_FONT_H___
+#define __VFD_FONT_H___
+
+#include <vdr/font.h>
+#include <ft2build.h>
+#include FT_FREETYPE_H
+#include "bitmap.h"
+
+struct cVFDKerning {
+  uint prevSym;
+  int kerning;
+  cVFDKerning(uint PrevSym, int Kerning = 0) { prevSym = PrevSym; kerning = Kerning; }
+  };
+
+class cVFDGlyph : public cListObject {
+private:
+  uint charCode;
+  uchar *bitmap;
+  int advanceX;
+  int advanceY;
+  int left;  ///< The bitmap's left bearing expressed in integer pixels.
+  int top;   ///< The bitmap's top bearing expressed in integer pixels.
+  int width; ///< The number of pixels per bitmap row.
+  int rows;  ///< The number of bitmap rows.
+  int pitch; ///< The pitch's absolute value is the number of bytes taken by one bitmap row, including padding.
+  cVector<cVFDKerning> kerningCache;
+public:
+  cVFDGlyph(uint CharCode, FT_GlyphSlotRec_ *GlyphData);
+  virtual ~cVFDGlyph();
+  uint CharCode(void) const { return charCode; }
+  uchar *Bitmap(void) const { return bitmap; }
+  int AdvanceX(void) const { return advanceX; }
+  int AdvanceY(void) const { return advanceY; }
+  int Left(void) const { return left; }
+  int Top(void) const { return top; }
+  int Width(void) const { return width; }
+  int Rows(void) const { return rows; }
+  int Pitch(void) const { return pitch; }
+  int GecVFDKerningCache(uint PrevSym) const;
+  void SecVFDKerningCache(uint PrevSym, int Kerning);
+  };
+
+
+class cVFDFont : public cFont {
+private:
+  int height;
+  int bottom;
+  FT_Library library; ///< Handle to library
+  FT_Face face; ///< Handle to face object
+  mutable cList<cVFDGlyph> glyphCacheMonochrome;
+  int Bottom(void) const { return bottom; }
+  int Kerning(cVFDGlyph *Glyph, uint PrevSym) const;
+  cVFDGlyph* Glyph(uint CharCode) const;
+  virtual void DrawText(cBitmap*, int, int, const char*, tColor, tColor, int) const {};
+public:
+  cVFDFont(const char *Name, int CharHeight, int CharWidth = 0);
+  virtual ~cVFDFont();
+  virtual int Width(uint c) const;
+  virtual int Width(const char *s) const;
+  virtual int Height(void) const { return height; }
+
+  int DrawText(cVFDBitmap *Bitmap, int x, int y, const char *s, int Width) const;
+};
+
+
+#endif
+