Fix some MSVC compiler snafus

BPTCEncoder/src/BC7Compressor.cpp

@@ -1402,7 +1402,7 @@ double BC7CompressionMode::Compress(
       }
     }
 
-    const bool rotated = bestAlphaIndices[anchorIdx] >> (nAlphaIndexBits - 1);
+    const bool rotated = (bestAlphaIndices[anchorIdx] >> (nAlphaIndexBits - 1)) > 0;
     if(m_Attributes->hasRotation && rotated) {
       uint8 * bp1 = reinterpret_cast<uint8 *>(&pixel1[sidx]);
       uint8 * bp2 = reinterpret_cast<uint8 *>(&pixel2[sidx]);
@@ -1660,8 +1660,8 @@ namespace BC7C {
           double gdiff = sad(unCompData[k+1], inBuf[k+1]);
           double bdiff = sad(unCompData[k+2], inBuf[k+2]);
           double adiff = sad(unCompData[k+3], inBuf[k+3]);
-          const float asrc = static_cast<double>(inBuf[k+3]);
-          const float adst = static_cast<double>(unCompData[k+3]);
+          const double asrc = static_cast<double>(inBuf[k+3]);
+          const double adst = static_cast<double>(unCompData[k+3]);
           double avga = ((asrc + adst)*0.5)/255.0;
           diffSum += (rdiff + gdiff + bdiff + adiff) * avga;
         }
@@ -2581,7 +2581,7 @@ namespace BC7C {
 
     assert(idxMode < 2);
     assert(rotMode < 4);
-    assert(shapeIdx < ((mode == 0)? 16 : 64));
+    assert(shapeIdx < ((mode == 0)? 16U : 64U));
 
     uint32 cp = attrs->colorChannelPrecision;
     const uint32 shift = 8 - cp;

Base/src/Image.cpp

@@ -139,7 +139,7 @@ double Image::ComputePSNR(Image *other) {
     const unsigned char *pixelDataRaw = ourData + i;
     const unsigned char *pixelDataUncomp = otherData + i;
 
-    float r[4], u[4];
+    double r[4], u[4];
     for(uint32 c = 0; c < 4; c++) {
       if(c == 3) {
         r[c] = pixelDataRaw[c] / 255.0;

CLTool/src/clwin32.cpp

@@ -40,13 +40,18 @@
  * 
  * <http://gamma.cs.unc.edu/FasTC/>
  */
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
+
+#define _CRT_SECURE_NO_WARNINGS
+
+#include <cstdlib>
+#include <cstdio>
+#include <cstring>
+#include <fstream>
+#include <iostream>
 #include <SDKDDKVer.h>
 #include <Windows.h>
 
-#include "BlockStats.h"
+#include "ThreadSafeStreambuf.h"
 #include "TexComp.h"
 #include "ImageFile.h"
 #include "Image.h"
@@ -211,15 +216,18 @@ int _tmain(int argc, _TCHAR* argv[])
     return 1;
   }
 
-  Image img (*file.GetImage())
+  Image img (*file.GetImage());
   if(format == eCompressionFormat_PVRTC) {
     img.SetBlockStreamOrder(false);
   }
 
-  int numBlocks = (img.GetWidth() * img.GetHeight())/16;
-  BlockStatManager *statManager = NULL;
+  std::ofstream logFile;
+  ThreadSafeStreambuf streamBuf(std::cout);
+  std::ostream logStream(&streamBuf);
   if(bSaveLog) {
-    statManager = new BlockStatManager(numBlocks);
+    char logname[256];
+    sprintf(logname, "%s.log", basename);
+    logFile.open(logname);
   }
   
   SCompressionSettings settings;
@@ -230,15 +238,15 @@ int _tmain(int argc, _TCHAR* argv[])
   settings.iQuality = quality;
   settings.iNumCompressions = numCompressions;
   settings.iJobSize = numJobs;
-  settings.pStatManager = statManager;
+  settings.logStream = &logStream;
 
-  CompressedImage *ci = img->Compress(settings);
+  CompressedImage *ci = CompressImage(&img, settings);
   if(NULL == ci) {
     fprintf(stderr, "Error compressing image!\n");
     return 1;
   }
 
-  double PSNR = img->ComputePSNR(*ci);
+  double PSNR = img.ComputePSNR(ci);
   if(PSNR > 0.0) {
     fprintf(stdout, "PSNR: %.3f\n", PSNR);
   }
@@ -246,12 +254,6 @@ int _tmain(int argc, _TCHAR* argv[])
     fprintf(stderr, "Error computing PSNR\n");
   }
 
-  if(bSaveLog) {
-    strcat_s(basename, ".log");
-    statManager->ToFile(basename);
-    basename[strlen(basename) - 4] = '\0';
-  }
-
   if(format == eCompressionFormat_BPTC) {
     strcat_s(basename, "-bc7.png");
   } else if(format == eCompressionFormat_PVRTC) {
@@ -263,8 +265,8 @@ int _tmain(int argc, _TCHAR* argv[])
 
   // Cleanup 
   delete ci;
-  if(statManager)
-    delete statManager;
+  if(bSaveLog)
+    logFile.close();
 
   return 0;
 }

IO/src/ImageLoaderPNG.cpp

@@ -134,7 +134,7 @@ bool ImageLoaderPNG::ReadData() {
   }
 
   const int numPixels = m_Width * m_Height;
-  png_uint_32 bpr = png_get_rowbytes(png_ptr, info_ptr);
+  png_size_t bpr = png_get_rowbytes(png_ptr, info_ptr);
   png_bytep rowData = new png_byte[bpr];
 
   switch(colorType) {

IO/src/ImageWriterPNG.cpp

@@ -77,7 +77,7 @@ public:
     unsigned char *stream = &(writer.m_RawFileData[writer.m_StreamPosition]);
     memcpy(stream, outBytes, byteCountToWrite);
 
-    writer.m_StreamPosition += byteCountToWrite;
+    writer.m_StreamPosition += static_cast<uint32>(byteCountToWrite);
   }
 
   static void FlushStream(png_structp png_ptr) { /* Do nothing... */ }

PVRTCEncoder/src/Image.cpp

@@ -50,6 +50,11 @@
  * <http://gamma.cs.unc.edu/FasTC/>
  */
 
+#if _MSC_VER
+#  define _CRT_SECURE_NO_WARNINGS
+#  define snprintf _snprintf
+#endif
+
 #include "Image.h"
 
 #include <algorithm>
@@ -58,11 +63,6 @@
 #include <cstdio>
 #include <cmath>
 
-#if _MSC_VER
-#  define _CRT_SECURE_NO_WARNINGS
-#  define snprintf _snprintf
-#endif
-
 #include "Pixel.h"
 
 #include "../../Base/include/Image.h"
@@ -287,7 +287,7 @@ void Image::ContentAwareDownscale(uint32 xtimes, uint32 ytimes,
     float g = a * ConvertChannelToFloat(m_Pixels[i].G(), bitDepth[2]);
     float b = a * ConvertChannelToFloat(m_Pixels[i].B(), bitDepth[3]);
 
-    I[i] = r * 0.21 + g * 0.71 + b * 0.07;
+    I[i] = r * 0.21f + g * 0.71f + b * 0.07f;
   }
 
   // Use central differences to calculate Ix, Iy, Ixx, Iyy...

PVRTCEncoder/src/Pixel.cpp

@@ -175,7 +175,7 @@ namespace PVRTCC {
         uint16 v = static_cast<uint16>(val);
         v = (v + (1 << (bitsWasted - 1))) >> bitsWasted;
         v = ::std::min<uint16>(::std::max<uint16>(0, v), (1 << newDepth) - 1);
-        return v;
+        return static_cast<uint8>(v);
       }
     }