bool GrStencilAndCoverTextContext::canDraw(const GrRenderTarget* rt,
                                           const GrClip& clip,
                                           const GrPaint& paint,
                                           const SkPaint& skPaint,
                                           const SkMatrix& viewMatrix) {
    if (skPaint.getRasterizer()) {
        return false;
    }
    if (skPaint.getMaskFilter()) {
        return false;
    }
    if (SkPathEffect* pe = skPaint.getPathEffect()) {
        if (pe->asADash(NULL) != SkPathEffect::kDash_DashType) {
            return false;
        }
    }

    // No hairlines unless we can map the 1 px width to the object space.
    if (skPaint.getStyle() == SkPaint::kStroke_Style
        && skPaint.getStrokeWidth() == 0
        && viewMatrix.hasPerspective()) {
        return false;
    }

    // No color bitmap fonts.
    SkScalerContext::Rec    rec;
    SkScalerContext::MakeRec(skPaint, &fDeviceProperties, NULL, &rec);
    return rec.getFormat() != SkMask::kARGB32_Format;
}
Exemplo n.º 2
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bool GrDistanceFieldTextContext::canDraw(const SkPaint& paint, const SkMatrix& viewMatrix) {
    // TODO: support perspective (need getMaxScale replacement)
    if (viewMatrix.hasPerspective()) {
        return false;
    }

    SkScalar maxScale = viewMatrix.getMaxScale();
    SkScalar scaledTextSize = maxScale*paint.getTextSize();
    // Scaling up beyond 2x yields undesireable artifacts
    if (scaledTextSize > 2*kLargeDFFontSize) {
        return false;
    }

    if (!fEnableDFRendering && !paint.isDistanceFieldTextTEMP() &&
        scaledTextSize < kLargeDFFontSize) {
        return false;
    }

    // rasterizers and mask filters modify alpha, which doesn't
    // translate well to distance
    if (paint.getRasterizer() || paint.getMaskFilter() ||
        !fContext->getTextTarget()->caps()->shaderDerivativeSupport()) {
        return false;
    }

    // TODO: add some stroking support
    if (paint.getStyle() != SkPaint::kFill_Style) {
        return false;
    }

    return true;
}
Exemplo n.º 3
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bool GrDistanceFieldTextContext::canDraw(const SkPaint& paint) {
    if (!fEnableDFRendering && !paint.isDistanceFieldTextTEMP()) {
        return false;
    }

    // rasterizers and mask filters modify alpha, which doesn't
    // translate well to distance
    if (paint.getRasterizer() || paint.getMaskFilter() ||
        !fContext->getTextTarget()->caps()->shaderDerivativeSupport()) {
        return false;
    }

    // TODO: add some stroking support
    if (paint.getStyle() != SkPaint::kFill_Style) {
        return false;
    }

    // TODO: choose an appropriate maximum scale for distance fields and
    //       enable perspective
    if (SkDraw::ShouldDrawTextAsPaths(paint, fContext->getMatrix())) {
        return false;
    }

    return true;
}
Exemplo n.º 4
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bool GrTextUtils::ShouldDisableLCD(const SkPaint& paint) {
    return !SkXfermode::AsMode(paint.getXfermode(), nullptr) ||
           paint.getMaskFilter() ||
           paint.getRasterizer() ||
           paint.getPathEffect() ||
           paint.isFakeBoldText() ||
           paint.getStyle() != SkPaint::kFill_Style;
}
Exemplo n.º 5
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static bool fold_opacity_layer_color_to_paint(const SkPaint& layerPaint,
                                              bool isSaveLayer,
                                              SkPaint* paint) {
    // We assume layerPaint is always from a saveLayer.  If isSaveLayer is
    // true, we assume paint is too.

    // The alpha folding can proceed if the filter layer paint does not have properties which cause
    // the resulting filter layer to be "blended" in complex ways to the parent layer. For example,
    // looper drawing unmodulated filter layer twice and then modulating the result produces
    // different image to drawing modulated filter layer twice.
    // TODO: most likely the looper and only some xfer modes are the hard constraints
    if (paint->getXfermode() || paint->getLooper()) {
        return false;
    }

    if (!isSaveLayer && paint->getImageFilter()) {
        // For normal draws, the paint color is used as one input for the color for the draw. Image
        // filter will operate on the result, and thus we can not change the input.
        // For layer saves, the image filter is applied to the layer contents. The layer is then
        // modulated with the paint color, so it's fine to proceed with the fold for saveLayer
        // paints with image filters.
        return false;
    }

    if (paint->getColorFilter()) {
        // Filter input depends on the paint color.

        // Here we could filter the color if we knew the draw is going to be uniform color.  This
        // should be detectable as drawPath/drawRect/.. without a shader being uniform, while
        // drawBitmap/drawSprite or a shader being non-uniform. However, current matchers don't
        // give the type out easily, so just do not optimize that at the moment.
        return false;
    }

    const uint32_t layerColor = layerPaint.getColor();
    // The layer paint color must have only alpha component.
    if (SK_ColorTRANSPARENT != SkColorSetA(layerColor, SK_AlphaTRANSPARENT)) {
        return false;
    }

    // The layer paint can not have any effects.
    if (layerPaint.getPathEffect() ||
        layerPaint.getShader()      ||
        layerPaint.getXfermode()    ||
        layerPaint.getMaskFilter()  ||
        layerPaint.getColorFilter() ||
        layerPaint.getRasterizer()  ||
        layerPaint.getLooper()      ||
        layerPaint.getImageFilter()) {
        return false;
    }

    paint->setAlpha(SkMulDiv255Round(paint->getAlpha(), SkColorGetA(layerColor)));

    return true;
}
Exemplo n.º 6
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// Is the supplied paint simply a color?
static bool is_simple(const SkPaint& p) {
    return NULL == p.getPathEffect() &&
           NULL == p.getShader() &&
           NULL == p.getXfermode() &&
           NULL == p.getMaskFilter() &&
           NULL == p.getColorFilter() &&
           NULL == p.getRasterizer() &&
           NULL == p.getLooper() &&
           NULL == p.getImageFilter();
}
Exemplo n.º 7
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 static bool HasAnyEffect(const SkPaint& paint) {
     return paint.getPathEffect()  ||
            paint.getShader()      ||
            paint.getXfermode()    ||
            paint.getMaskFilter()  ||
            paint.getColorFilter() ||
            paint.getRasterizer()  ||
            paint.getLooper()      ||
            paint.getImageFilter();
 }
Exemplo n.º 8
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bool SkBitmapDevice::onShouldDisableLCD(const SkPaint& paint) const {
    if (kN32_SkColorType != fBitmap.colorType() ||
        paint.getRasterizer() ||
        paint.getPathEffect() ||
        paint.isFakeBoldText() ||
        paint.getStyle() != SkPaint::kFill_Style ||
        !SkXfermode::IsMode(paint.getXfermode(), SkXfermode::kSrcOver_Mode))
    {
        return true;
    }
    return false;
}
Exemplo n.º 9
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static uint16_t compute_nondef(const SkPaint& paint, PaintUsage usage) {
    // kRespectsStroke_PaintUsage is only valid if other bits are also set
    SkASSERT(0 != (usage & ~kRespectsStroke_PaintUsage));

    const SkScalar kTextSize_Default    = 12;
    const SkScalar kTextScaleX_Default  = 1;
    const SkScalar kTextSkewX_Default   = 0;
    const SkScalar kStrokeWidth_Default = 0;
    const SkScalar kStrokeMiter_Default = 4;
    const SkColor  kColor_Default       = SK_ColorBLACK;

    unsigned bits = (paint.getColor() != kColor_Default) ? kColor_NonDef : 0;

    if (usage & kText_PaintUsage) {
        bits |= (paint.getTextSize() != kTextSize_Default       ? kTextSize_NonDef : 0);
        bits |= (paint.getTextScaleX() != kTextScaleX_Default   ? kTextScaleX_NonDef : 0);
        bits |= (paint.getTextSkewX() != kTextSkewX_Default     ? kTextSkewX_NonDef : 0);
        bits |= (paint.getTypeface()                            ? kTypeface_NonDef : 0);
    }

    // TODO: kImage_PaintUsage only needs the shader/maskfilter IF its colortype is kAlpha_8

    if (usage & (kVertices_PaintUsage | kDrawPaint_PaintUsage | kImage_PaintUsage |
                 kText_PaintUsage | kGeometry_PaintUsage | kTextBlob_PaintUsage)) {
        bits |= (paint.getShader()      ? kShader_NonDef : 0);
    }

    if (usage & (kText_PaintUsage | kGeometry_PaintUsage | kTextBlob_PaintUsage)) {
        bits |= (paint.getPathEffect()  ? kPathEffect_NonDef : 0);
        bits |= (paint.getRasterizer()  ? kRasterizer_NonDef : 0);

        if (paint.getStyle() != SkPaint::kFill_Style || (usage & kRespectsStroke_PaintUsage)) {
            bits |= (paint.getStrokeWidth() != kStrokeWidth_Default ? kStrokeWidth_NonDef : 0);
            bits |= (paint.getStrokeMiter() != kStrokeMiter_Default ? kStrokeMiter_NonDef : 0);
        }
    }

    if (usage &
        (kText_PaintUsage | kGeometry_PaintUsage | kImage_PaintUsage | kTextBlob_PaintUsage))
    {
        bits |= (paint.getMaskFilter()  ? kMaskFilter_NonDef : 0);
    }

    bits |= (paint.getColorFilter() ? kColorFilter_NonDef : 0);
    bits |= (paint.getImageFilter() ? kImageFilter_NonDef : 0);
    bits |= (paint.getDrawLooper()  ? kDrawLooper_NonDef : 0);

    return SkToU16(bits);
}
bool GrStencilAndCoverTextContext::internalCanDraw(const SkPaint& skPaint) {
    if (skPaint.getRasterizer()) {
        return false;
    }
    if (skPaint.getMaskFilter()) {
        return false;
    }
    if (SkPathEffect* pe = skPaint.getPathEffect()) {
        if (pe->asADash(nullptr) != SkPathEffect::kDash_DashType) {
            return false;
        }
    }
    // No hairlines. They would require new paths with customized strokes for every new draw matrix.
    return SkPaint::kStroke_Style != skPaint.getStyle() || 0 != skPaint.getStrokeWidth();
}
Exemplo n.º 11
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bool NeedsDeepCopy(const SkPaint& paint) {
    /*
     *  The types below are not yet immutable/reentrant-safe, and so we return
     *  true if instances of them are present in the paint.
     *
     *  Eventually we hope this list will be empty, and we can always return
     *  false.
     */
    return false
#ifdef SK_SUPPORT_LEGACY_SHADER_LOCALMATRIX
           || paint.getShader()
#endif
#ifdef SK_SUPPORT_LEGACY_LAYERRASTERIZER_API
           || paint.getRasterizer()
#endif
           || paint.getImageFilter()
           ;
}
Exemplo n.º 12
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static void paint_write(const SkPaint& paint, SkFlattenableWriteBuffer& buffer)
{
    buffer.writeBool(paint.isAntiAlias());
    buffer.write8(paint.getStyle());
    buffer.write8(paint.getAlpha());
    
    if (paint.getStyle() != SkPaint::kFill_Style)
    {
        buffer.writeScalar(paint.getStrokeWidth());
        buffer.writeScalar(paint.getStrokeMiter());
        buffer.write8(paint.getStrokeCap());
        buffer.write8(paint.getStrokeJoin());
    }
    
    buffer.writeFlattenable(paint.getMaskFilter());
    buffer.writeFlattenable(paint.getPathEffect());
    buffer.writeFlattenable(paint.getRasterizer());
    buffer.writeFlattenable(paint.getXfermode());
}
Exemplo n.º 13
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bool SkBitmapDevice::filterTextFlags(const SkPaint& paint, TextFlags* flags) {
    if (!paint.isLCDRenderText() || !paint.isAntiAlias()) {
        // we're cool with the paint as is
        return false;
    }

    if (kN32_SkColorType != fBitmap.colorType() ||
        paint.getRasterizer() ||
        paint.getPathEffect() ||
        paint.isFakeBoldText() ||
        paint.getStyle() != SkPaint::kFill_Style ||
        !SkXfermode::IsMode(paint.getXfermode(), SkXfermode::kSrcOver_Mode)) {
        // turn off lcd
        flags->fFlags = paint.getFlags() & ~SkPaint::kLCDRenderText_Flag;
        flags->fHinting = paint.getHinting();
        return true;
    }
    // we're cool with the paint as is
    return false;
}
Exemplo n.º 14
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bool GrTextUtils::CanDrawAsDistanceFields(const SkPaint& skPaint, const SkMatrix& viewMatrix,
                                          const SkSurfaceProps& props, const GrShaderCaps& caps) {
    // TODO: support perspective (need getMaxScale replacement)
    if (viewMatrix.hasPerspective()) {
        return false;
    }

    SkScalar maxScale = viewMatrix.getMaxScale();
    SkScalar scaledTextSize = maxScale*skPaint.getTextSize();
    // Hinted text looks far better at small resolutions
    // Scaling up beyond 2x yields undesireable artifacts
    if (scaledTextSize < kMinDFFontSize ||
        scaledTextSize > kLargeDFFontLimit) {
        return false;
    }

    bool useDFT = props.isUseDeviceIndependentFonts();
#if SK_FORCE_DISTANCE_FIELD_TEXT
    useDFT = true;
#endif

    if (!useDFT && scaledTextSize < kLargeDFFontSize) {
        return false;
    }

    // rasterizers and mask filters modify alpha, which doesn't
    // translate well to distance
    if (skPaint.getRasterizer() || skPaint.getMaskFilter() || !caps.shaderDerivativeSupport()) {
        return false;
    }

    // TODO: add some stroking support
    if (skPaint.getStyle() != SkPaint::kFill_Style) {
        return false;
    }

    return true;
}
Exemplo n.º 15
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bool GrStencilAndCoverTextContext::canDraw(const SkPaint& paint) {
    if (paint.getRasterizer()) {
        return false;
    }
    if (paint.getMaskFilter()) {
        return false;
    }
    if (paint.getPathEffect()) {
        return false;
    }

    // No hairlines unless we can map the 1 px width to the object space.
    if (paint.getStyle() == SkPaint::kStroke_Style
        && paint.getStrokeWidth() == 0
        && fContext->getMatrix().hasPerspective()) {
        return false;
    }

    // No color bitmap fonts.
    SkScalerContext::Rec    rec;
    SkScalerContext::MakeRec(paint, &fDeviceProperties, NULL, &rec);
    return rec.getFormat() != SkMask::kARGB32_Format;
}
Exemplo n.º 16
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bool SkDevice::filterTextFlags(const SkPaint& paint, TextFlags* flags) {
    if (!paint.isLCDRenderText()) {
        // we're cool with the paint as is
        return false;
    }

    if (SkBitmap::kARGB_8888_Config != fBitmap.config() ||
        paint.getShader() ||
        paint.getXfermode() || // unless its srcover
        paint.getMaskFilter() ||
        paint.getRasterizer() ||
        paint.getColorFilter() ||
        paint.getPathEffect() ||
        paint.isFakeBoldText() ||
        paint.getStyle() != SkPaint::kFill_Style) {
        // turn off lcd
        flags->fFlags = paint.getFlags() & ~SkPaint::kLCDRenderText_Flag;
        flags->fHinting = paint.getHinting();
        return true;
    }
    // we're cool with the paint as is
    return false;
}
Exemplo n.º 17
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// Even with kEntirePaint_Bits, we always ensure that the master paint's
// text-encoding is respected, since that controls how we interpret the
// text/length parameters of a draw[Pos]Text call.
void SkLayerDrawLooper::LayerDrawLooperContext::ApplyInfo(
        SkPaint* dst, const SkPaint& src, const LayerInfo& info) {
    SkColor4f srcColor = src.getColor4f();
#ifdef SK_BUILD_FOR_ANDROID_FRAMEWORK
    // The framework may respect the alpha value on the original paint.
    // Match this legacy behavior.
    if (src.getAlpha() == 255) {
        srcColor.fA = dst->getColor4f().fA;
    }
#endif
    dst->setColor4f(xferColor(srcColor, dst->getColor4f(), (SkBlendMode)info.fColorMode),
                    sk_srgb_singleton());

    BitFlags bits = info.fPaintBits;
    SkPaint::TextEncoding encoding = dst->getTextEncoding();

    if (0 == bits) {
        return;
    }
    if (kEntirePaint_Bits == bits) {
        // we've already computed these, so save it from the assignment
        uint32_t f = dst->getFlags();
        SkColor4f c = dst->getColor4f();
        *dst = src;
        dst->setFlags(f);
        dst->setColor4f(c, sk_srgb_singleton());
        dst->setTextEncoding(encoding);
        return;
    }

    if (bits & kStyle_Bit) {
        dst->setStyle(src.getStyle());
        dst->setStrokeWidth(src.getStrokeWidth());
        dst->setStrokeMiter(src.getStrokeMiter());
        dst->setStrokeCap(src.getStrokeCap());
        dst->setStrokeJoin(src.getStrokeJoin());
    }

    if (bits & kTextSkewX_Bit) {
        dst->setTextSkewX(src.getTextSkewX());
    }

    if (bits & kPathEffect_Bit) {
        dst->setPathEffect(src.refPathEffect());
    }
    if (bits & kMaskFilter_Bit) {
        dst->setMaskFilter(src.refMaskFilter());
    }
    if (bits & kShader_Bit) {
        dst->setShader(src.refShader());
    }
    if (bits & kColorFilter_Bit) {
        dst->setColorFilter(src.refColorFilter());
    }
    if (bits & kXfermode_Bit) {
        dst->setBlendMode(src.getBlendMode());
    }

    // we don't override these
#if 0
    dst->setTypeface(src.getTypeface());
    dst->setTextSize(src.getTextSize());
    dst->setTextScaleX(src.getTextScaleX());
    dst->setRasterizer(src.getRasterizer());
    dst->setLooper(src.getLooper());
    dst->setTextEncoding(src.getTextEncoding());
    dst->setHinting(src.getHinting());
#endif
}
Exemplo n.º 18
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// Even with kEntirePaint_Bits, we always ensure that the master paint's
// text-encoding is respected, since that controls how we interpret the
// text/length parameters of a draw[Pos]Text call.
void SkLayerDrawLooper::ApplyInfo(SkPaint* dst, const SkPaint& src,
                                  const LayerInfo& info) {

    uint32_t mask = info.fFlagsMask;
    dst->setFlags((dst->getFlags() & ~mask) | (src.getFlags() & mask));
    dst->setColor(xferColor(src.getColor(), dst->getColor(), info.fColorMode));

    BitFlags bits = info.fPaintBits;
    SkPaint::TextEncoding encoding = dst->getTextEncoding();

    if (0 == bits) {
        return;
    }
    if (kEntirePaint_Bits == bits) {
        // we've already computed these, so save it from the assignment
        uint32_t f = dst->getFlags();
        SkColor c = dst->getColor();
        *dst = src;
        dst->setFlags(f);
        dst->setColor(c);
        dst->setTextEncoding(encoding);
        return;
    }

    if (bits & kStyle_Bit) {
        dst->setStyle(src.getStyle());
        dst->setStrokeWidth(src.getStrokeWidth());
        dst->setStrokeMiter(src.getStrokeMiter());
        dst->setStrokeCap(src.getStrokeCap());
        dst->setStrokeJoin(src.getStrokeJoin());
    }

    if (bits & kTextSkewX_Bit) {
        dst->setTextSkewX(src.getTextSkewX());
    }

    if (bits & kPathEffect_Bit) {
        dst->setPathEffect(src.getPathEffect());
    }
    if (bits & kMaskFilter_Bit) {
        dst->setMaskFilter(src.getMaskFilter());
    }
    if (bits & kShader_Bit) {
        dst->setShader(src.getShader());
    }
    if (bits & kColorFilter_Bit) {
        dst->setColorFilter(src.getColorFilter());
    }
    if (bits & kXfermode_Bit) {
        dst->setXfermode(src.getXfermode());
    }

    // we don't override these
#if 0
    dst->setTypeface(src.getTypeface());
    dst->setTextSize(src.getTextSize());
    dst->setTextScaleX(src.getTextScaleX());
    dst->setRasterizer(src.getRasterizer());
    dst->setLooper(src.getLooper());
    dst->setTextEncoding(src.getTextEncoding());
    dst->setHinting(src.getHinting());
#endif
}
Exemplo n.º 19
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void SkFlatPaint::dump() const {
    SkPaint defaultPaint;
    SkFlattenableReadBuffer buffer(fPaintData);
    SkTypeface* typeface = (SkTypeface*) buffer.readPtr();
    char pBuffer[DUMP_BUFFER_SIZE];
    char* bufferPtr = pBuffer;
    bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 
        "paint: ");
    if (typeface != defaultPaint.getTypeface())
        bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 
            "typeface:%p ", typeface);
    SkScalar textSize = buffer.readScalar();
    if (textSize != defaultPaint.getTextSize())
        bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 
            "textSize:%g ", SkScalarToFloat(textSize));
    SkScalar textScaleX = buffer.readScalar();
    if (textScaleX != defaultPaint.getTextScaleX())
        bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 
            "textScaleX:%g ", SkScalarToFloat(textScaleX));
    SkScalar textSkewX = buffer.readScalar();
    if (textSkewX != defaultPaint.getTextSkewX())
        bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 
            "textSkewX:%g ", SkScalarToFloat(textSkewX));
    const SkPathEffect* pathEffect = (const SkPathEffect*) buffer.readFlattenable();
    if (pathEffect != defaultPaint.getPathEffect())
        bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 
            "pathEffect:%p ", pathEffect);
    SkDELETE(pathEffect);
    const SkShader* shader = (const SkShader*) buffer.readFlattenable();
    if (shader != defaultPaint.getShader())
        bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 
            "shader:%p ", shader);
    SkDELETE(shader);
    const SkXfermode* xfermode = (const SkXfermode*) buffer.readFlattenable();
    if (xfermode != defaultPaint.getXfermode())
        bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 
            "xfermode:%p ", xfermode);
    SkDELETE(xfermode);
    const SkMaskFilter* maskFilter = (const SkMaskFilter*) buffer.readFlattenable();
    if (maskFilter != defaultPaint.getMaskFilter())
        bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 
            "maskFilter:%p ", maskFilter);
    SkDELETE(maskFilter);
    const SkColorFilter* colorFilter = (const SkColorFilter*) buffer.readFlattenable();
    if (colorFilter != defaultPaint.getColorFilter())
        bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 
            "colorFilter:%p ", colorFilter);
    SkDELETE(colorFilter);
    const SkRasterizer* rasterizer = (const SkRasterizer*) buffer.readFlattenable();
    if (rasterizer != defaultPaint.getRasterizer())
        bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 
            "rasterizer:%p ", rasterizer);
    SkDELETE(rasterizer);
    const SkDrawLooper* drawLooper = (const SkDrawLooper*) buffer.readFlattenable();
    if (drawLooper != defaultPaint.getLooper())
        bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 
            "drawLooper:%p ", drawLooper);
    SkDELETE(drawLooper);
    unsigned color = buffer.readU32();
    if (color != defaultPaint.getColor())
        bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 
            "color:0x%x ", color);
    SkScalar strokeWidth = buffer.readScalar();
    if (strokeWidth != defaultPaint.getStrokeWidth())
        bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 
            "strokeWidth:%g ", SkScalarToFloat(strokeWidth));
    SkScalar strokeMiter = buffer.readScalar();
    if (strokeMiter != defaultPaint.getStrokeMiter())
        bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 
            "strokeMiter:%g ", SkScalarToFloat(strokeMiter));
    unsigned flags = buffer.readU16();
    if (flags != defaultPaint.getFlags())
        bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 
            "flags:0x%x ", flags);
    int align = buffer.readU8();
    if (align != defaultPaint.getTextAlign())
        bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 
            "align:0x%x ", align);
    int strokeCap = buffer.readU8();
    if (strokeCap != defaultPaint.getStrokeCap())
        bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 
            "strokeCap:0x%x ", strokeCap);
    int strokeJoin = buffer.readU8();
    if (strokeJoin != defaultPaint.getStrokeJoin())
        bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 
            "align:0x%x ", strokeJoin);
    int style = buffer.readU8();
    if (style != defaultPaint.getStyle())
        bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 
            "style:0x%x ", style);
    int textEncoding = buffer.readU8();
    if (textEncoding != defaultPaint.getTextEncoding())
        bufferPtr += snprintf(bufferPtr, DUMP_BUFFER_SIZE - (bufferPtr - pBuffer), 
            "textEncoding:0x%x ", textEncoding);
    SkDebugf("%s\n", pBuffer);
}