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

skia/effects/SkAvoidXfermode.cpp

Index: skia/effects/SkAvoidXfermode.cpp
===================================================================
--- skia/effects/SkAvoidXfermode.cpp	(revision 16859)
+++ skia/effects/SkAvoidXfermode.cpp	(working copy)
@@ -1,257 +0,0 @@
-/* libs/graphics/effects/SkAvoidXfermode.cpp
-**
-** Copyright 2006, The Android Open Source Project
-**
-** Licensed under the Apache License, Version 2.0 (the "License"); 
-** you may not use this file except in compliance with the License. 
-** You may obtain a copy of the License at 
-**
-**     http://www.apache.org/licenses/LICENSE-2.0 
-**
-** Unless required by applicable law or agreed to in writing, software 
-** distributed under the License is distributed on an "AS IS" BASIS, 
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
-** See the License for the specific language governing permissions and 
-** limitations under the License.
-*/
-
-#include "SkAvoidXfermode.h"
-#include "SkColorPriv.h"
-
-SkAvoidXfermode::SkAvoidXfermode(SkColor opColor, U8CPU tolerance, Mode mode)
-{    
-    if (tolerance > 255) {
-        tolerance = 255;
-    }
-
-    fOpColor = opColor;
-    fDistMul = (256 << 14) / (tolerance + 1);
-    fMode = mode;
-}
-
-SkAvoidXfermode::SkAvoidXfermode(SkFlattenableReadBuffer& buffer)
-    : INHERITED(buffer)
-{
-    fOpColor = buffer.readU32();
-    fDistMul = buffer.readU32();
-    fMode = (Mode)buffer.readU8();
-}
-
-void SkAvoidXfermode::flatten(SkFlattenableWriteBuffer& buffer)
-{
-    this->INHERITED::flatten(buffer);
-
-    buffer.write32(fOpColor);
-    buffer.write32(fDistMul);
-    buffer.write8(fMode);
-}
-
-SkFlattenable* SkAvoidXfermode::Create(SkFlattenableReadBuffer& rb)
-{
-    return SkNEW_ARGS(SkAvoidXfermode, (rb));
-}
-
-SkFlattenable::Factory SkAvoidXfermode::getFactory()
-{
-    return Create;
-}
-
-// returns 0..31
-static unsigned color_dist16(uint16_t c, unsigned r, unsigned g, unsigned b)
-{
-    SkASSERT(r <= SK_R16_MASK);
-    SkASSERT(g <= SK_G16_MASK);
-    SkASSERT(b <= SK_B16_MASK);
-
-    unsigned dr = SkAbs32(SkGetPackedR16(c) - r);
-    unsigned dg = SkAbs32(SkGetPackedG16(c) - g) >> (SK_G16_BITS - SK_R16_BITS);
-    unsigned db = SkAbs32(SkGetPackedB16(c) - b);
-    
-    return SkMax32(dr, SkMax32(dg, db));
-}
-
-// returns 0..15
-static unsigned color_dist4444(uint16_t c, unsigned r, unsigned g, unsigned b)
-{
-    SkASSERT(r <= 0xF);
-    SkASSERT(g <= 0xF);
-    SkASSERT(b <= 0xF);
-    
-    unsigned dr = SkAbs32(SkGetPackedR4444(c) - r);
-    unsigned dg = SkAbs32(SkGetPackedG4444(c) - g);
-    unsigned db = SkAbs32(SkGetPackedB4444(c) - b);
-    
-    return SkMax32(dr, SkMax32(dg, db));
-}
-
-// returns 0..255
-static unsigned color_dist32(SkPMColor c, U8CPU r, U8CPU g, U8CPU b)
-{
-    SkASSERT(r <= 0xFF);
-    SkASSERT(g <= 0xFF);
-    SkASSERT(b <= 0xFF);
-
-    unsigned dr = SkAbs32(SkGetPackedR32(c) - r);
-    unsigned dg = SkAbs32(SkGetPackedG32(c) - g);
-    unsigned db = SkAbs32(SkGetPackedB32(c) - b);
-    
-    return SkMax32(dr, SkMax32(dg, db));
-}
-
-static int scale_dist_14(int dist, uint32_t mul, uint32_t sub)
-{
-    int tmp = dist * mul - sub;
-    int result = (tmp + (1 << 13)) >> 14;
-
-    return result;
-}
-
-static SkPMColor SkFourByteInterp(SkPMColor src, SkPMColor dst, unsigned scale)
-{
-    unsigned a = SkAlphaBlend(SkGetPackedA32(src), SkGetPackedA32(dst), scale);
-    unsigned r = SkAlphaBlend(SkGetPackedR32(src), SkGetPackedR32(dst), scale);
-    unsigned g = SkAlphaBlend(SkGetPackedG32(src), SkGetPackedG32(dst), scale);
-    unsigned b = SkAlphaBlend(SkGetPackedB32(src), SkGetPackedB32(dst), scale);
-
-    return SkPackARGB32(a, r, g, b);
-}
-
-void SkAvoidXfermode::xfer32(SkPMColor dst[], const SkPMColor src[], int count,
-                             const SkAlpha aa[])
-{
-    unsigned    opR = SkColorGetR(fOpColor);
-    unsigned    opG = SkColorGetG(fOpColor);
-    unsigned    opB = SkColorGetB(fOpColor);
-    uint32_t    mul = fDistMul;
-    uint32_t    sub = (fDistMul - (1 << 14)) << 8;
-    
-    int MAX, mask;
-    
-    if (kTargetColor_Mode == fMode) {
-        mask = -1;
-        MAX = 255;
-    } else {
-        mask = 0;
-        MAX = 0;
-    }
-    
-    for (int i = 0; i < count; i++) {
-        int d = color_dist32(dst[i], opR, opG, opB);
-        // now reverse d if we need to
-        d = MAX + (d ^ mask) - mask;
-        SkASSERT((unsigned)d <= 255);
-        d = SkAlpha255To256(d);
-        
-        d = scale_dist_14(d, mul, sub);
-        SkASSERT(d <= 256);
-        
-        if (d > 0) {
-            if (NULL != aa) {
-                d = SkAlphaMul(d, SkAlpha255To256(*aa++));
-                if (0 == d) {
-                    continue;
-                }
-            }
-            dst[i] = SkFourByteInterp(src[i], dst[i], d);
-        }
-    }
-}
-
-static inline U16CPU SkBlend3216(SkPMColor src, U16CPU dst, unsigned scale)
-{
-    SkASSERT(scale <= 32);
-    scale <<= 3;
-
-    return SkPackRGB16( SkAlphaBlend(SkPacked32ToR16(src), SkGetPackedR16(dst), scale),
-                        SkAlphaBlend(SkPacked32ToG16(src), SkGetPackedG16(dst), scale),
-                        SkAlphaBlend(SkPacked32ToB16(src), SkGetPackedB16(dst), scale));
-}
-
-void SkAvoidXfermode::xfer16(uint16_t dst[], const SkPMColor src[], int count,
-                             const SkAlpha aa[])
-{
-    unsigned    opR = SkColorGetR(fOpColor) >> (8 - SK_R16_BITS);
-    unsigned    opG = SkColorGetG(fOpColor) >> (8 - SK_G16_BITS);
-    unsigned    opB = SkColorGetB(fOpColor) >> (8 - SK_R16_BITS);
-    uint32_t    mul = fDistMul;
-    uint32_t    sub = (fDistMul - (1 << 14)) << 8;
-
-    int MAX, mask;
-    
-    if (kTargetColor_Mode == fMode) {
-        mask = -1;
-        MAX = 31;
-    } else {
-        mask = 0;
-        MAX = 0;
-    }
-
-    for (int i = 0; i < count; i++) {
-        int d = color_dist16(dst[i], opR, opG, opB);
-        // now reverse d if we need to
-        d = MAX + (d ^ mask) - mask;
-        SkASSERT((unsigned)d <= 31);
-        // convert from 0..31 to 0..32
-        d += d >> 4;
-
-        d = scale_dist_14(d, mul, sub);
-        SkASSERT(d <= 32);
-
-        if (d > 0) {
-            if (NULL != aa) {
-                d = SkAlphaMul(d, SkAlpha255To256(*aa++));
-                if (0 == d) {
-                    continue;
-                }
-            }
-            dst[i] = SkBlend3216(src[i], dst[i], d);
-        }
-    }
-}
-
-void SkAvoidXfermode::xfer4444(uint16_t dst[], const SkPMColor src[], int count,
-                               const SkAlpha aa[])
-{
-    unsigned    opR = SkColorGetR(fOpColor) >> 4;
-    unsigned    opG = SkColorGetG(fOpColor) >> 4;
-    unsigned    opB = SkColorGetB(fOpColor) >> 4;
-    uint32_t    mul = fDistMul;
-    uint32_t    sub = (fDistMul - (1 << 14)) << 8;
-    
-    int MAX, mask;
-    
-    if (kTargetColor_Mode == fMode) {
-        mask = -1;
-        MAX = 15;
-    } else {
-        mask = 0;
-        MAX = 0;
-    }
-    
-    for (int i = 0; i < count; i++) {
-        int d = color_dist4444(dst[i], opR, opG, opB);
-        // now reverse d if we need to
-        d = MAX + (d ^ mask) - mask;
-        SkASSERT((unsigned)d <= 15);
-        d = SkAlpha255To256(d);
-        
-        d = scale_dist_14(d, mul, sub);
-        SkASSERT(d <= 16);
-        
-        if (d > 0) {
-            if (NULL != aa) {
-                d = SkAlphaMul(d, SkAlpha255To256(*aa++));
-                if (0 == d) {
-                    continue;
-                }
-            }
-            dst[i] = SkBlend4444(SkPixel32ToPixel4444(src[i]), dst[i], d);
-        }
-    }
-}
-
-void SkAvoidXfermode::xferA8(SkAlpha dst[], const SkPMColor src[], int count, const SkAlpha aa[])
-{
-    // override in subclass
-}
-