Fix compiler warnings (remove unused constants)

Signed-off-by: Stefan Weil <sw@weilnetz.de>

Author: stweil

textord/colpartition.cpp

@@ -41,9 +41,6 @@ CLISTIZE(ColPartition)
 
 //////////////// ColPartition Implementation ////////////////
 
-// If multiple partners survive the partner depth test beyond this level,
-// then arbitrarily pick one.
-const int kMaxPartnerDepth = 4;
 // Maximum change in spacing (in inches) to ignore.
 const double kMaxSpacingDrift = 1.0 / 72;  // 1/72 is one point.
 // Maximum fraction of line height used as an additional allowance
@@ -60,8 +57,6 @@ const double kMaxLeaderGapFractionOfMax = 0.25;
 const double kMaxLeaderGapFractionOfMin = 0.5;
 // Minimum number of blobs to be considered a leader.
 const int kMinLeaderCount = 5;
-// Cost of a cut through a leader.
-const int kLeaderCutCost = 8;
 // Minimum score for a STRONG_CHAIN textline.
 const int kMinStrongTextValue = 6;
 // Minimum score for a CHAIN textline.

textord/colpartitiongrid.cpp

@@ -35,10 +35,6 @@ const int kMaxPadFactor = 6;
 // Max multiple of size (min(height, width)) for the distance of the nearest
 // neighbour for the change of type to be used.
 const int kMaxNeighbourDistFactor = 4;
-// Max RMS color noise to compare colors.
-const int kMaxRMSColorNoise = 128;
-// Minimum number of blobs in text to make a strong text partition.
-const int kHorzStrongTextlineCount = 10;
 // Maximum number of lines in a credible figure caption.
 const int kMaxCaptionLines = 7;
 // Min ratio between biggest and smallest gap to bound a caption.
@@ -49,10 +45,6 @@ const double kMinCaptionGapHeightRatio = 0.5;
 const double kMarginOverlapFraction = 0.25;
 // Size ratio required to consider an unmerged overlapping partition to be big.
 const double kBigPartSizeRatio = 1.75;
-// Allowed proportional change in stroke width to match for smoothing.
-const double kStrokeWidthFractionTolerance = 0.25;
-// Allowed constant change in stroke width to match for smoothing.
-const double kStrokeWidthConstantTolerance = 2.0;
 // Fraction of gridsize to allow arbitrary overlap between partitions.
 const double kTinyEnoughTextlineOverlapFraction = 0.25;
 // Max vertical distance of neighbouring ColPartition as a multiple of

viewer/svutil.cpp

@@ -60,7 +60,6 @@ struct addrinfo {
 
 #include "svutil.h"
 
-const int kBufferSize = 65536;
 const int kMaxMsgSize = 4096;
 
 // Signals a thread to exit.