X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=pdf2swf%2Fxpdf%2FFunction.h;h=bfaf83e300e1a42e88444c2b18aae0c33ef3eb34;hb=85c46a8011c7fd5e4bda282266006c972ea7606b;hp=9b0879f3dff152e42aa0e1a3c957723078283361;hpb=3df3a8d12d7a516579a4eae276b077c015df0f70;p=swftools.git

diff --git a/pdf2swf/xpdf/Function.h b/pdf2swf/xpdf/Function.h
index 9b0879f..bfaf83e 100644
--- a/pdf2swf/xpdf/Function.h
+++ b/pdf2swf/xpdf/Function.h
@@ -2,14 +2,16 @@
 //
 // Function.h
 //
-// Copyright 2001-2002 Glyph & Cog, LLC
+// Copyright 2001-2003 Glyph & Cog, LLC
 //
 //========================================================================
 
 #ifndef FUNCTION_H
 #define FUNCTION_H
 
-#ifdef __GNUC__
+#include <aconf.h>
+
+#ifdef USE_GCC_PRAGMAS
 #pragma interface
 #endif
 
@@ -25,8 +27,8 @@ class PSStack;
 // Function
 //------------------------------------------------------------------------
 
-#define funcMaxInputs  8
-#define funcMaxOutputs 8
+#define funcMaxInputs   8
+#define funcMaxOutputs 32
 
 class Function {
 public:
@@ -43,10 +45,24 @@ public:
 
   virtual Function *copy() = 0;
 
+  // Return the function type:
+  //   -1 : identity
+  //    0 : sampled
+  //    2 : exponential
+  //    3 : stitching
+  //    4 : PostScript
+  virtual int getType() = 0;
+
   // Return size of input and output tuples.
   int getInputSize() { return m; }
   int getOutputSize() { return n; }
 
+  double getDomainMin(int i) { return domain[i][0]; }
+  double getDomainMax(int i) { return domain[i][1]; }
+  double getRangeMin(int i) { return range[i][0]; }
+  double getRangeMax(int i) { return range[i][1]; }
+  GBool getHasRange() { return hasRange; }
+
   // Transform an input tuple into an output tuple.
   virtual void transform(double *in, double *out) = 0;
 
@@ -72,6 +88,7 @@ public:
   IdentityFunction();
   virtual ~IdentityFunction();
   virtual Function *copy() { return new IdentityFunction(); }
+  virtual int getType() { return -1; }
   virtual void transform(double *in, double *out);
   virtual GBool isOk() { return gTrue; }
 
@@ -88,9 +105,17 @@ public:
   SampledFunction(Object *funcObj, Dict *dict);
   virtual ~SampledFunction();
   virtual Function *copy() { return new SampledFunction(this); }
+  virtual int getType() { return 0; }
   virtual void transform(double *in, double *out);
   virtual GBool isOk() { return ok; }
 
+  int getSampleSize(int i) { return sampleSize[i]; }
+  double getEncodeMin(int i) { return encode[i][0]; }
+  double getEncodeMax(int i) { return encode[i][1]; }
+  double getDecodeMin(int i) { return decode[i][0]; }
+  double getDecodeMax(int i) { return decode[i][1]; }
+  double *getSamples() { return samples; }
+
 private:
 
   SampledFunction(SampledFunction *func);
@@ -101,7 +126,11 @@ private:
     encode[funcMaxInputs][2];
   double			// min and max values for range decoder
     decode[funcMaxOutputs][2];
+  double			// input multipliers
+    inputMul[funcMaxInputs];
+  int idxMul[funcMaxInputs];	// sample array index multipliers
   double *samples;		// the samples
+  int nSamples;			// size of the samples array
   GBool ok;
 };
 
@@ -115,9 +144,14 @@ public:
   ExponentialFunction(Object *funcObj, Dict *dict);
   virtual ~ExponentialFunction();
   virtual Function *copy() { return new ExponentialFunction(this); }
+  virtual int getType() { return 2; }
   virtual void transform(double *in, double *out);
   virtual GBool isOk() { return ok; }
 
+  double *getC0() { return c0; }
+  double *getC1() { return c1; }
+  double getE() { return e; }
+
 private:
 
   ExponentialFunction(ExponentialFunction *func);
@@ -138,9 +172,15 @@ public:
   StitchingFunction(Object *funcObj, Dict *dict);
   virtual ~StitchingFunction();
   virtual Function *copy() { return new StitchingFunction(this); }
+  virtual int getType() { return 3; }
   virtual void transform(double *in, double *out);
   virtual GBool isOk() { return ok; }
 
+  int getNumFuncs() { return k; }
+  Function *getFunc(int i) { return funcs[i]; }
+  double *getBounds() { return bounds; }
+  double *getEncode() { return encode; }
+
 private:
 
   StitchingFunction(StitchingFunction *func);
@@ -162,9 +202,12 @@ public:
   PostScriptFunction(Object *funcObj, Dict *dict);
   virtual ~PostScriptFunction();
   virtual Function *copy() { return new PostScriptFunction(this); }
+  virtual int getType() { return 4; }
   virtual void transform(double *in, double *out);
   virtual GBool isOk() { return ok; }
 
+  GString *getCodeString() { return codeString; }
+
 private:
 
   PostScriptFunction(PostScriptFunction *func);
@@ -173,6 +216,7 @@ private:
   void resizeCode(int newSize);
   void exec(PSStack *stack, int codePtr);
 
+  GString *codeString;
   PSObject *code;
   int codeSize;
   GBool ok;