Remove the remainder of the skia source code from the Chromium repo....

skia/ports/SkFontHost_gamma.cpp

Index: skia/ports/SkFontHost_gamma.cpp
===================================================================
--- skia/ports/SkFontHost_gamma.cpp	(revision 16859)
+++ skia/ports/SkFontHost_gamma.cpp	(working copy)
@@ -1,118 +0,0 @@
-#include "SkFontHost.h"
-#include <math.h>
-
-// define this to use pre-compiled tables for gamma. This is slightly faster,
-// and doesn't create any RW global memory, but means we cannot change the
-// gamma at runtime.
-#define USE_PREDEFINED_GAMMA_TABLES
-
-#ifndef USE_PREDEFINED_GAMMA_TABLES
-    // define this if you want to spew out the "C" code for the tables, given
-    // the current values for SK_BLACK_GAMMA and SK_WHITE_GAMMA.
-    #define DUMP_GAMMA_TABLESx
-#endif
-
-///////////////////////////////////////////////////////////////////////////////
-
-#ifdef USE_PREDEFINED_GAMMA_TABLES
-
-#include "sk_predefined_gamma.h"
-
-#else   // use writable globals for gamma tables
-
-static bool gGammaIsBuilt;
-static uint8_t gBlackGamma[256], gWhiteGamma[256];
-
-#define SK_BLACK_GAMMA     (1.4f)
-#define SK_WHITE_GAMMA     (1/1.4f)
-
-static void build_power_table(uint8_t table[], float ee)
-{
-    //    printf("------ build_power_table %g\n", ee);
-    for (int i = 0; i < 256; i++)
-    {
-        float x = i / 255.f;
-        //   printf(" %d %g", i, x);
-        x = powf(x, ee);
-        //   printf(" %g", x);
-        int xx = SkScalarRound(SkFloatToScalar(x * 255));
-        //   printf(" %d\n", xx);
-        table[i] = SkToU8(xx);
-    }
-}
-
-#ifdef DUMP_GAMMA_TABLES
-
-#include "SkString.h"
-
-static void dump_a_table(const char name[], const uint8_t table[],
-                         float gamma) {
-    SkDebugf("\n");
-    SkDebugf("\/\/ Gamma table for %g\n", gamma);
-    SkDebugf("static const uint8_t %s[] = {\n", name);
-    for (int y = 0; y < 16; y++) {
-        SkString line, tmp;
-        for (int x = 0; x < 16; x++) {
-            tmp.printf("0x%02X, ", *table++);
-            line.append(tmp);
-        }
-        SkDebugf("    %s\n", line.c_str());
-    }
-    SkDebugf("};\n");
-}
-
-#endif
-
-#endif
-
-///////////////////////////////////////////////////////////////////////////////
-
-void SkFontHost::GetGammaTables(const uint8_t* tables[2])
-{
-#ifndef USE_PREDEFINED_GAMMA_TABLES
-    if (!gGammaIsBuilt)
-    {
-        build_power_table(gBlackGamma, SK_BLACK_GAMMA);
-        build_power_table(gWhiteGamma, SK_WHITE_GAMMA);
-        gGammaIsBuilt = true;
-
-#ifdef DUMP_GAMMA_TABLES
-        dump_a_table("gBlackGamma", gBlackGamma, SK_BLACK_GAMMA);
-        dump_a_table("gWhiteGamma", gWhiteGamma, SK_WHITE_GAMMA);
-#endif
-    }
-#endif
-    tables[0] = gBlackGamma;
-    tables[1] = gWhiteGamma;
-}
-
-// If the luminance is <= this value, then apply the black gamma table
-#define BLACK_GAMMA_THRESHOLD   0x40
-
-// If the luminance is >= this value, then apply the white gamma table
-#define WHITE_GAMMA_THRESHOLD   0xC0
-
-int SkFontHost::ComputeGammaFlag(const SkPaint& paint)
-{
-    if (paint.getShader() == NULL)
-    {
-        SkColor c = paint.getColor();
-        int r = SkColorGetR(c);
-        int g = SkColorGetG(c);
-        int b = SkColorGetB(c);
-        int luminance = (r * 2 + g * 5 + b) >> 3;
-        
-        if (luminance <= BLACK_GAMMA_THRESHOLD)
-        {
-        //    printf("------ black gamma for [%d %d %d]\n", r, g, b);
-            return SkScalerContext::kGammaForBlack_Flag;
-        }
-        if (luminance >= WHITE_GAMMA_THRESHOLD)
-        {
-        //    printf("------ white gamma for [%d %d %d]\n", r, g, b);
-            return SkScalerContext::kGammaForWhite_Flag;
-        }
-    }
-    return 0;
-}
-