Add debug info to dyecmd.

1 files changed, 26 insertions, 1 deletions

diff --git a/dyecmd/src/dye.cpp b/dyecmd/src/dye.cpp
index 77da2eb..323c173 100755
--- a/dyecmd/src/dye.cpp
+++ b/dyecmd/src/dye.cpp
@@ -22,6 +22,7 @@
 #include <algorithm>
 #include <sstream>
 #include <iostream>
+#include <stdio.h>
 
 #include "dye.h"
 
@@ -80,29 +81,45 @@ Palette::Palette(const std::string &description)
 
 void Palette::getColor(int intensity, int color[3]) const
 {
+    printf ("---------------------------------------------\n");
+    printf ("intensity=%d\n", intensity);
+    printf ("image color: %d, %d, %d\n", color[0], color[1], color[2]);
+
     // Return implicit black
     if (intensity == 0)
     {
         color[0] = 0;
         color[1] = 0;
         color[2] = 0;
+        printf ("set color to zero\n");
         return;
     }
 
     int last = mColors.size();
-    if (last == 0) return;
+    printf ("last=%d\n", last);
+    if (last == 0)
+        return;
 
     int i = intensity * last / 255;
     int t = intensity * last % 255;
 
+    printf ("i = intensity * last / 255   =   %d\n", i);
+    printf ("t = intensity * last %% 255   =   %d\n", t);
+
     int j = t != 0 ? i : i - 1;
+    printf ("j = t != 0 ? i : i - 1   =   %d\n", j);
     // Get the exact color if any, the next color otherwise.
     int r2 = mColors[j].value[0],
         g2 = mColors[j].value[1],
         b2 = mColors[j].value[2];
 
+    printf ("r2 = mColors[j].value[0]=%d\n", r2);
+    printf ("g2 = mColors[j].value[1]=%d\n", g2);
+    printf ("b2 = mColors[j].value[2]=%d\n", b2);
+
     if (t == 0)
     {
+        printf ("t == 0, return rgb = %d, %d, %d\n", r2, g2,b2);
         // Exact color.
         color[0] = r2;
         color[1] = g2;
@@ -112,17 +129,25 @@ void Palette::getColor(int intensity, int color[3]) const
 
     // Get the previous color. First color is implicitly black.
     int r1 = 0, g1 = 0, b1 = 0;
+    printf ("r1=g1=b1=0\n");
     if (i > 0)
     {
         r1 = mColors[i - 1].value[0];
         g1 = mColors[i - 1].value[1];
         b1 = mColors[i - 1].value[2];
+        printf ("r1 = mColors[i - 1].value[0] = %d\n", r1);
+        printf ("g1 = mColors[i - 1].value[1] = %d\n", g1);
+        printf ("b1 = mColors[i - 1].value[2] = %d\n", b1);
     }
 
     // Perform a linear interpolation.
     color[0] = ((255 - t) * r1 + t * r2) / 255;
     color[1] = ((255 - t) * g1 + t * g2) / 255;
     color[2] = ((255 - t) * b1 + t * b2) / 255;
+    printf ("result color:\n");
+    printf ("color[0] = ((255 - t) * r1 + t * r2) / 255 = %d\n", color[0]);
+    printf ("color[1] = ((255 - t) * g1 + t * g2) / 255 = %d\n", color[1]);
+    printf ("color[2] = ((255 - t) * b1 + t * b2) / 255 = %d\n", color[2]);
 }
 
 Dye::Dye(const std::string &description)