Remove dead code.

src/core/ARGB32_Clamp_Bilinear_BitmapShader.h

Index: src/core/ARGB32_Clamp_Bilinear_BitmapShader.h
diff --git a/src/core/ARGB32_Clamp_Bilinear_BitmapShader.h b/src/core/ARGB32_Clamp_Bilinear_BitmapShader.h
deleted file mode 100644
index 87121cfdb2c2f912f0e2d193ef5aef1113ab4bb1..0000000000000000000000000000000000000000
--- a/src/core/ARGB32_Clamp_Bilinear_BitmapShader.h
+++ /dev/null
@@ -1,177 +0,0 @@
-
-/*
- * Copyright 2011 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-class ARGB32_Clamp_Bilinear_BitmapShader : public SkBitmapShader {
-public:
-    ARGB32_Clamp_Bilinear_BitmapShader(const SkBitmap& src)
-        : SkBitmapShader(src, true,
-                         SkShader::kClamp_TileMode, SkShader::kClamp_TileMode)
-    {}
-
-    virtual void shadeSpan(int x, int y, SkPMColor dstC[], int count);
-};
-
-SkPMColor sample_bilerp(SkFixed fx, SkFixed fy, unsigned srcMaxX, unsigned srcMaxY,
-                        const SkPMColor* srcPixels, int srcRB, const SkFilterPtrProc* proc_table);
-SkPMColor sample_bilerp(SkFixed fx, SkFixed fy, unsigned srcMaxX, unsigned srcMaxY,
-                        const SkPMColor* srcPixels, int srcRB, const SkFilterPtrProc* proc_table)
-{
-    int ix = fx >> 16;
-    int iy = fy >> 16;
-
-    const SkPMColor *p00, *p01, *p10, *p11;
-
-    p00 = p01 = ((const SkPMColor*)((const char*)srcPixels
-                                    + SkClampMax(iy, srcMaxY) * srcRB))
-                                    + SkClampMax(ix, srcMaxX);
-
-    if ((unsigned)ix < srcMaxX)
-        p01 += 1;
-    p10 = p00;
-    p11 = p01;
-    if ((unsigned)iy < srcMaxY)
-    {
-        p10 = (const SkPMColor*)((const char*)p10 + srcRB);
-        p11 = (const SkPMColor*)((const char*)p11 + srcRB);
-    }
-
-    SkFilterPtrProc proc = SkGetBilinearFilterPtrProc(proc_table, fx, fy);
-    return proc(p00, p01, p10, p11);
-}
-
-static inline SkPMColor sample_bilerpx(SkFixed fx, unsigned srcMaxX, const SkPMColor* srcPixels,
-                                       int srcRB, const SkFilterPtrProc* proc_table)
-{
-    int ix = fx >> 16;
-
-    const SkPMColor *p00, *p01, *p10, *p11;
-
-    p00 = p01 = srcPixels + SkClampMax(ix, srcMaxX);
-    if ((unsigned)ix < srcMaxX)
-        p01 += 1;
-
-    p10 = (const SkPMColor*)((const char*)p00 + srcRB);
-    p11 = (const SkPMColor*)((const char*)p01 + srcRB);
-
-    SkFilterPtrProc proc = SkGetBilinearFilterPtrXProc(proc_table, fx);
-    return proc(p00, p01, p10, p11);
-}
-
-void ARGB32_Clamp_Bilinear_BitmapShader::shadeSpan(int x, int y, SkPMColor dstC[], int count)
-{
-    SkASSERT(count > 0);
-
-    unsigned srcScale = SkAlpha255To256(this->getPaintAlpha());
-
-    const SkMatrix& inv = this->getTotalInverse();
-    const SkBitmap& srcBitmap = this->getSrcBitmap();
-    unsigned        srcMaxX = srcBitmap.width() - 1;
-    unsigned        srcMaxY = srcBitmap.height() - 1;
-    unsigned        srcRB = srcBitmap.rowBytes();
-
-    const SkFilterPtrProc* proc_table = SkGetBilinearFilterPtrProcTable();
-    const SkPMColor* srcPixels = (const SkPMColor*)srcBitmap.getPixels();
-
-    if (this->getInverseClass() == kPerspective_MatrixClass)
-    {
-        SkPerspIter   iter(inv, SkIntToScalar(x) + SK_ScalarHalf,
-                                SkIntToScalar(y) + SK_ScalarHalf, count);
-
-        if (256 == srcScale)
-        {
-            while ((count = iter.next()) != 0)
-            {
-                const SkFixed* srcXY = iter.getXY();
-                while (--count >= 0)
-                {
-                    SkFixed fx = *srcXY++ - SK_FixedHalf;
-                    SkFixed fy = *srcXY++ - SK_FixedHalf;
-                    *dstC++ = sample_bilerp(fx, fy, srcMaxX, srcMaxY, srcPixels, srcRB, proc_table);
-                }
-            }
-        }
-        else    // scale by srcScale
-        {
-            while ((count = iter.next()) != 0)
-            {
-                const SkFixed* srcXY = iter.getXY();
-                while (--count >= 0)
-                {
-                    SkFixed fx = *srcXY++ - SK_FixedHalf;
-                    SkFixed fy = *srcXY++ - SK_FixedHalf;
-                    SkPMColor c = sample_bilerp(fx, fy, srcMaxX, srcMaxY, srcPixels, srcRB, proc_table);
-                    *dstC++ = SkAlphaMulQ(c, srcScale);
-                }
-            }
-        }
-    }
-    else    // linear case
-    {
-        SkFixed fx, fy, dx, dy;
-
-        // now init fx, fy, dx, dy
-        {
-            SkPoint srcPt;
-            this->getInverseMapPtProc()(inv, SkIntToScalar(x) + SK_ScalarHalf,
-                                             SkIntToScalar(y) + SK_ScalarHalf,
-                                             &srcPt);
-
-            fx = SkScalarToFixed(srcPt.fX) - SK_FixedHalf;
-            fy = SkScalarToFixed(srcPt.fY) - SK_FixedHalf;
-
-            if (this->getInverseClass() == kFixedStepInX_MatrixClass)
-                (void)inv.fixedStepInX(SkIntToScalar(y), &dx, &dy);
-            else
-            {
-                dx = SkScalarToFixed(inv.getScaleX());
-                dy = SkScalarToFixed(inv.getSkewY());
-            }
-        }
-
-        if (dy == 0 && (unsigned)(fy >> 16) < srcMaxY)
-        {
-            srcPixels = (const SkPMColor*)((const char*)srcPixels + (fy >> 16) * srcRB);
-            proc_table = SkGetBilinearFilterPtrProcYTable(proc_table, fy);
-            if (256 == srcScale)
-            {
-                do {
-                    *dstC++ = sample_bilerpx(fx, srcMaxX, srcPixels, srcRB, proc_table);
-                    fx += dx;
-                } while (--count != 0);
-            }
-            else
-            {
-                do {
-                    SkPMColor c = sample_bilerpx(fx, srcMaxX, srcPixels, srcRB, proc_table);
-                    *dstC++ = SkAlphaMulQ(c, srcScale);
-                    fx += dx;
-                } while (--count != 0);
-            }
-        }
-        else    // dy is != 0
-        {
-            if (256 == srcScale)
-            {
-                do {
-                    *dstC++ = sample_bilerp(fx, fy, srcMaxX, srcMaxY, srcPixels, srcRB, proc_table);
-                    fx += dx;
-                    fy += dy;
-                } while (--count != 0);
-            }
-            else
-            {
-                do {
-                    SkPMColor c = sample_bilerp(fx, fy, srcMaxX, srcMaxY, srcPixels, srcRB, proc_table);
-                    *dstC++ = SkAlphaMulQ(c, srcScale);
-                    fx += dx;
-                    fy += dy;
-                } while (--count != 0);
-            }
-        }
-    }
-}