commit 8b8290b8cfb91f38b79450b2e660331d50787385
author cristy <urban-warrior@git.imagemagick.org> Mon May 26 12:55:32 2014 +0000
committer cristy <urban-warrior@git.imagemagick.org> Mon May 26 12:55:32 2014 +0000
tree 95164d9870cb53f149b23bc70bf684d8af141d57
parent 3589219a2c7a9a59bfa63dd5171a27b1c9424cf1

MagickCore/quantum-private.h

diff --git a/MagickCore/quantum-private.h b/MagickCore/quantum-private.h
index bc0b7d5..f969e23 100644
--- a/MagickCore/quantum-private.h
+++ b/MagickCore/quantum-private.h
@@ -299,7 +299,17 @@
 #endif
 }
 
-static inline Quantum ScaleMapToQuantum(const double value)
+static inline Quantum ScaleLongLongToQuantum(const MagickSizeType value)
+{
+#if !defined(MAGICKCORE_HDRI_SUPPORT)
+  return((Quantum) ((value+MagickULLConstant(551911719039))/
+    MagickULLConstant(1103823438079)));
+#else
+  return((Quantum) (value/1103823438079.0));
+#endif
+}
+
+static inline Quantum ScaleMapToQuantum(const MagickRealType value)
 {
   if (value <= 0.0)
     return((Quantum) 0);
@@ -325,6 +335,19 @@
 #endif
 }
 
+static inline MagickSizeType ScaleQuantumToLongLong(const Quantum quantum)
+{
+#if !defined(MAGICKCORE_HDRI_SUPPORT)
+  return((MagickSizeType) (MagickULLConstant(551911719039)*quantum));
+#else
+  if (quantum <= 0.0)
+    return(0UL);
+  if ((551911719039.0*quantum) >= 18446744073709551615.0)
+    return(MagickULLConstant(18446744073709551615));
+  return((MagickSizeType) (1103823438079.0*quantum+0.5));
+#endif
+}
+
 static inline unsigned int ScaleQuantumToMap(const Quantum quantum)
 {
   if (quantum >= (Quantum) MaxMap)
@@ -379,7 +402,17 @@
 #endif
 }
 
-static inline Quantum ScaleMapToQuantum(const double value)
+static inline Quantum ScaleLongLongToQuantum(const MagickSizeType value)
+{
+#if !defined(MAGICKCORE_HDRI_SUPPORT)
+  return((Quantum) ((value+MagickULLConstant(8421376))/
+    MagickULLConstant(16842752)));
+#else
+  return((Quantum) (value/16842752.0));
+#endif
+}
+
+static inline Quantum ScaleMapToQuantum(const MagickRealType value)
 {
   if (value <= 0.0)
     return((Quantum) 0);
@@ -405,6 +438,19 @@
 #endif
 }
 
+static inline MagickSizeType ScaleQuantumToLongLong(const Quantum quantum)
+{
+#if !defined(MAGICKCORE_HDRI_SUPPORT)
+  return((MagickSizeType) (MagickULLConstant(16842752)*quantum));
+#else
+  if (quantum <= 0.0)
+    return(0UL);
+  if ((65537.0*quantum) >= 18446744073709551615.0)
+    return(MagickULLConstant(18446744073709551615));
+  return((MagickSizeType) (16842752.0*quantum+0.5));
+#endif
+}
+
 static inline unsigned int ScaleQuantumToMap(const Quantum quantum)
 {
   if (quantum >= (Quantum) MaxMap)
@@ -450,7 +496,12 @@
   return((Quantum) value);
 }
 
-static inline Quantum ScaleMapToQuantum(const double value)
+static inline Quantum ScaleLongLongToQuantum(const MagickSizeType value)
+{
+  return((Quantum) value);
+}
+
+static inline Quantum ScaleMapToQuantum(const MagickRealType value)
 {
   if (value <= 0.0)
     return((Quantum) 0);
@@ -476,6 +527,15 @@
 #endif
 }
 
+static inline MagickSizeType ScaleQuantumToLongLong(const Quantum quantum)
+{
+#if !defined(MAGICKCORE_HDRI_SUPPORT)
+  return((MagickSizeType) quantum);
+#else
+  return((MagickSizeType) (quantum+0.5));
+#endif
+}
+
 static inline unsigned int ScaleQuantumToMap(const Quantum quantum)
 {
   if (quantum < 0.0)
@@ -523,7 +583,12 @@
   return((Quantum) (4294967297.0*value));
 }
 
-static inline Quantum ScaleMapToQuantum(const double value)
+static inline Quantum ScaleLongLongToQuantum(const MagickSizeType value)
+{
+  return((Quantum) (18446744073709551615.0*value));
+}
+
+static inline Quantum ScaleMapToQuantum(const MagickRealType value)
 {
   if (value <= 0.0)
     return((Quantum) 0);
@@ -537,6 +602,11 @@
   return((unsigned int) (quantum/4294967297.0+0.5));
 }
 
+static inline MagickSizeType ScaleQuantumToLongLong(const Quantum quantum)
+{
+  return((MagickSizeType) (quantum/18446744073709551615.0+0.5));
+}
+
 static inline unsigned int ScaleQuantumToMap(const Quantum quantum)
 {
   if (quantum <= 0.0)