1 files changed, 105 insertions, 0 deletions
diff --git a/kpdf/xpdf/splash/SplashFont.h b/kpdf/xpdf/splash/SplashFont.h
new file mode 100644
index 00000000..82ee0370
--- /dev/null
+++ b/kpdf/xpdf/splash/SplashFont.h
@@ -0,0 +1,105 @@
+//========================================================================
+//
+// SplashFont.h
+//
+//========================================================================
+
+#ifndef SPLASHFONT_H
+#define SPLASHFONT_H
+
+#include <aconf.h>
+
+#ifdef USE_GCC_PRAGMAS
+#pragma interface
+#endif
+
+#include "gtypes.h"
+#include "SplashTypes.h"
+#include "SplashClip.h"
+
+struct SplashGlyphBitmap;
+struct SplashFontCacheTag;
+class SplashFontFile;
+class SplashPath;
+
+//------------------------------------------------------------------------
+
+// Fractional positioning uses this many bits to the right of the
+// decimal points.
+#define splashFontFractionBits 2
+#define splashFontFraction     (1 << splashFontFractionBits)
+#define splashFontFractionMul \
+                       ((SplashCoord)1 / (SplashCoord)splashFontFraction)
+
+//------------------------------------------------------------------------
+// SplashFont
+//------------------------------------------------------------------------
+
+class SplashFont {
+public:
+
+  SplashFont(SplashFontFile *fontFileA, SplashCoord *matA,
+	     SplashCoord *textMatA, GBool aaA);
+
+  // This must be called after the constructor, so that the subclass
+  // constructor has a chance to compute the bbox.
+  void initCache();
+
+  virtual ~SplashFont();
+
+  SplashFontFile *getFontFile() { return fontFile; }
+
+  // Return true if <this> matches the specified font file and matrix.
+  GBool matches(SplashFontFile *fontFileA, SplashCoord *matA,
+		SplashCoord *textMatA) {
+    return fontFileA == fontFile &&
+           matA[0] == mat[0] && matA[1] == mat[1] &&
+           matA[2] == mat[2] && matA[3] == mat[3] &&
+           textMatA[0] == textMat[0] && textMatA[1] == textMat[1] &&
+           textMatA[2] == textMat[2] && textMatA[3] == textMat[3];
+  }
+
+  // Get a glyph - this does a cache lookup first, and if not found,
+  // creates a new bitmap and adds it to the cache.  The <xFrac> and
+  // <yFrac> values are splashFontFractionBits bits each, representing
+  // the numerators of fractions in [0, 1), where the denominator is
+  // splashFontFraction = 1 << splashFontFractionBits.  Subclasses
+  // should override this to zero out xFrac and/or yFrac if they don't
+  // support fractional coordinates.
+  virtual GBool getGlyph(int c, int xFrac, int yFrac,
+			 SplashGlyphBitmap *bitmap, int x0, int y0, SplashClip *clip, SplashClipResult *clipRes);
+
+  // Rasterize a glyph.  The <xFrac> and <yFrac> values are the same
+  // as described for getGlyph.
+  virtual GBool makeGlyph(int c, int xFrac, int yFrac,
+			  SplashGlyphBitmap *bitmap, int x0, int y0, SplashClip *clip, SplashClipResult *clipRes) = 0;
+
+  // Return the path for a glyph.
+  virtual SplashPath *getGlyphPath(int c) = 0;
+
+  // Return the font transform matrix.
+  SplashCoord *getMatrix() { return mat; }
+
+  // Return the glyph bounding box.
+  void getBBox(int *xMinA, int *yMinA, int *xMaxA, int *yMaxA)
+    { *xMinA = xMin; *yMinA = yMin; *xMaxA = xMax; *yMaxA = yMax; }
+
+protected:
+
+  SplashFontFile *fontFile;
+  SplashCoord mat[4];		// font transform matrix
+				//   (text space -> device space)
+  SplashCoord textMat[4];	// text transform matrix
+				//   (text space -> user space)
+  GBool aa;			// anti-aliasing
+  int xMin, yMin, xMax, yMax;	// glyph bounding box
+  Guchar *cache;		// glyph bitmap cache
+  SplashFontCacheTag *		// cache tags
+    cacheTags;
+  int glyphW, glyphH;		// size of glyph bitmaps
+  int glyphSize;		// size of glyph bitmaps, in bytes
+  int cacheSets;		// number of sets in cache
+  int cacheAssoc;		// cache associativity (glyphs per set)
+};
+
+#endif