C++ SkPaint::getTextSize方法代码示例

    virtual void onDrawContent(SkCanvas* canvas) {
        canvas->translate(SkIntToScalar(10), SkIntToScalar(20));

        if (false) {
            SkPaint paint;
            paint.setAntiAlias(true);
            paint.setTextSize(50);
            paint.setTypeface(SkTypeface::CreateFromName("Arial Unicode MS", SkTypeface::kNormal));
            SkSafeUnref(paint.getTypeface());
            char buffer[10];
            size_t len = SkUTF8_FromUnichar(0x8500, buffer);
            canvas->drawText(buffer, len, 40, 40, paint);
            return;
        }
        if (false) {
            SkPaint paint;
            paint.setAntiAlias(true);

            SkRect r0 = { 0, 0, 10.5f, 20 };
            SkRect r1 = { 10.5f, 10, 20, 30 };
            paint.setColor(SK_ColorRED);
            canvas->drawRect(r0, paint);
            paint.setColor(SK_ColorBLUE);
            canvas->drawRect(r1, paint);
            return;
        }

        const struct {
            SkXfermode::Mode  fMode;
            const char*         fLabel;
        } gModes[] = {
            { SkXfermode::kClear_Mode,    "Clear"     },
            { SkXfermode::kSrc_Mode,      "Src"       },
            { SkXfermode::kDst_Mode,      "Dst"       },
            { SkXfermode::kSrcOver_Mode,  "SrcOver"   },
            { SkXfermode::kDstOver_Mode,  "DstOver"   },
            { SkXfermode::kSrcIn_Mode,    "SrcIn"     },
            { SkXfermode::kDstIn_Mode,    "DstIn"     },
            { SkXfermode::kSrcOut_Mode,   "SrcOut"    },
            { SkXfermode::kDstOut_Mode,   "DstOut"    },
            { SkXfermode::kSrcATop_Mode,  "SrcATop"   },
            { SkXfermode::kDstATop_Mode,  "DstATop"   },
            { SkXfermode::kXor_Mode,      "Xor"       },

            { SkXfermode::kPlus_Mode,         "Plus"          },
            /*{ SkXfermode::kModulate_Mode,     "Modulate"      },
            { SkXfermode::kScreen_Mode,       "Screen"        },
            { SkXfermode::kOverlay_Mode,      "Overlay"       },
            { SkXfermode::kDarken_Mode,       "Darken"        },
            { SkXfermode::kLighten_Mode,      "Lighten"       },
            { SkXfermode::kColorDodge_Mode,   "ColorDodge"    },
            { SkXfermode::kColorBurn_Mode,    "ColorBurn"     },
            { SkXfermode::kHardLight_Mode,    "HardLight"     },
            { SkXfermode::kSoftLight_Mode,    "SoftLight"     },
            { SkXfermode::kDifference_Mode,   "Difference"    },
            { SkXfermode::kExclusion_Mode,    "Exclusion"     },*/
        };

        const SkScalar w = SkIntToScalar(W);
        const SkScalar h = SkIntToScalar(H);
        SkMatrix m;
        m.setScale(SkIntToScalar(6), SkIntToScalar(6));
        SkShader* s = SkShader::CreateBitmapShader(fBG,
                                                   SkShader::kRepeat_TileMode,
                                                   SkShader::kRepeat_TileMode,
                                                   &m);

        SkPaint labelP;
        labelP.setAntiAlias(true);
        labelP.setLCDRenderText(true);
        labelP.setTextAlign(SkPaint::kCenter_Align);
        setNamedTypeface(&labelP, "Menlo Regular");

        const int W = 5;

        SkScalar x0 = 0;
        for (int twice = 0; twice < 2; twice++) {
            SkScalar x = x0, y = 0;
            for (size_t i = 0; i < SK_ARRAY_COUNT(gModes); i++) {
                SkXfermode* mode = SkXfermode::Create(gModes[i].fMode);
                SkAutoUnref aur(mode);
                SkRect r;
                r.set(x, y, x+w, y+h);

                SkPaint p;
                p.setStyle(SkPaint::kFill_Style);
                p.setShader(s);
                canvas->drawRect(r, p);

                canvas->saveLayer(&r, NULL);
                draw_mode(canvas, mode, twice ? 0x88 : 0xFF, r.fLeft, r.fTop);
                canvas->restore();

                r.inset(-SK_ScalarHalf, -SK_ScalarHalf);
                p.setStyle(SkPaint::kStroke_Style);
                p.setShader(NULL);
                canvas->drawRect(r, p);

                canvas->drawText(gModes[i].fLabel, strlen(gModes[i].fLabel),
                                 x + w/2, y - labelP.getTextSize()/2, labelP);
//.........这里部分代码省略.........

// Need a quick way to know a maximum distance between drawText calls to know if
// they are part of the same logical phrase when searching.  By crude
// inspection, half the point size seems a good guess at the width of a space
// character.
static inline SkScalar approximateSpaceWidth(const SkPaint& paint) {
    return SkScalarHalf(paint.getTextSize());
}

    void onDraw(SkCanvas* canvas) override {
        if (!fImage) {
            this->setupImage(canvas);
        }

        SkRect dstRect = { 0, 0, SkIntToScalar(64), SkIntToScalar(64)};
        static const int kMaxSrcRectSize = 1 << (SkNextLog2(gBmpSize) + 2);

        static const int kPadX = 30;
        static const int kPadY = 40;
        SkPaint paint;
        paint.setAlpha(0x20);
        canvas->drawBitmapRect(fLargeBitmap, SkRect::MakeIWH(gSize, gSize), &paint);
        canvas->translate(SK_Scalar1 * kPadX / 2,
                          SK_Scalar1 * kPadY / 2);
        SkPaint blackPaint;
        SkScalar titleHeight = SK_Scalar1 * 24;
        blackPaint.setColor(SK_ColorBLACK);
        blackPaint.setTextSize(titleHeight);
        blackPaint.setAntiAlias(true);
        sk_tool_utils::set_portable_typeface(&blackPaint);
        SkString title;
        title.printf("Bitmap size: %d x %d", gBmpSize, gBmpSize);
        canvas->drawText(title.c_str(), title.size(), 0,
                         titleHeight, blackPaint);

        canvas->translate(0, SK_Scalar1 * kPadY / 2  + titleHeight);
        int rowCount = 0;
        canvas->save();
        for (int w = 1; w <= kMaxSrcRectSize; w *= 4) {
            for (int h = 1; h <= kMaxSrcRectSize; h *= 4) {

                SkIRect srcRect = SkIRect::MakeXYWH((gBmpSize - w) / 2, (gBmpSize - h) / 2, w, h);
                fProc(canvas, fImage.get(), fLargeBitmap, srcRect, dstRect);

                SkString label;
                label.appendf("%d x %d", w, h);
                blackPaint.setAntiAlias(true);
                blackPaint.setStyle(SkPaint::kFill_Style);
                blackPaint.setTextSize(SK_Scalar1 * 10);
                SkScalar baseline = dstRect.height() +
                                    blackPaint.getTextSize() + SK_Scalar1 * 3;
                canvas->drawText(label.c_str(), label.size(),
                                    0, baseline,
                                    blackPaint);
                blackPaint.setStyle(SkPaint::kStroke_Style);
                blackPaint.setStrokeWidth(SK_Scalar1);
                blackPaint.setAntiAlias(false);
                canvas->drawRect(dstRect, blackPaint);

                canvas->translate(dstRect.width() + SK_Scalar1 * kPadX, 0);
                ++rowCount;
                if ((dstRect.width() + kPadX) * rowCount > gSize) {
                    canvas->restore();
                    canvas->translate(0, dstRect.height() + SK_Scalar1 * kPadY);
                    canvas->save();
                    rowCount = 0;
                }
            }
        }

        {
            // test the following code path:
            // SkGpuDevice::drawPath() -> SkGpuDevice::drawWithMaskFilter()
            SkIRect srcRect;
            SkPaint paint;
            SkBitmap bm;

            bm = make_chessbm(5, 5);
            paint.setFilterQuality(kLow_SkFilterQuality);

            srcRect.setXYWH(1, 1, 3, 3);
            SkMaskFilter* mf = SkBlurMaskFilter::Create(
                kNormal_SkBlurStyle,
                SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(5)),
                SkBlurMaskFilter::kHighQuality_BlurFlag |
                SkBlurMaskFilter::kIgnoreTransform_BlurFlag);
            paint.setMaskFilter(mf)->unref();
            canvas->drawBitmapRect(bm, srcRect, dstRect, &paint);
        }
    }

    SkScalar dir[] = { SK_Scalar1, SK_Scalar1, SK_Scalar1 };
    paint->setMaskFilter(SkBlurMaskFilter::CreateEmboss(dir, SK_Scalar1/4, SkIntToScalar(4), SkIntToScalar(3)))->unref();
#endif
    paint->setColor(SK_ColorBLUE);
}

DEF_SIMPLE_GM(texteffects, canvas, 460, 680) {
        canvas->save();

        SkPaint     paint;
        paint.setAntiAlias(true);
        sk_tool_utils::set_portable_typeface(&paint);
        paint.setTextSize(SkIntToScalar(56));

        SkScalar    x = SkIntToScalar(20);
        SkScalar    y = paint.getTextSize();

        SkString str("Hamburgefons");

        for (int i = 0; i < static_cast<int>(SK_ARRAY_COUNT(gRastProcs)); i++) {
            apply_shader(&paint, i);

            //  paint.setMaskFilter(nullptr);
            //  paint.setColor(SK_ColorBLACK);

            canvas->drawText(str.c_str(), str.size(), x, y, paint);

            y += paint.getFontSpacing();
        }

        canvas->restore();

void draw(SkCanvas* canvas) {
    SkPaint paint;
    SkDebugf("12 %c= default text size\n", 12 == paint.getTextSize() ? '=' : '!');
}

// 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
}

    virtual void onDraw(SkCanvas* canvas) {
        canvas->translate(SkIntToScalar(10), SkIntToScalar(20));

        const struct {
            SkXfermode::Mode  fMode;
            const char*         fLabel;
        } gModes[] = {
            { SkXfermode::kClear_Mode,    "Clear"     },
            { SkXfermode::kSrc_Mode,      "Src"       },
            { SkXfermode::kDst_Mode,      "Dst"       },
            { SkXfermode::kSrcOver_Mode,  "SrcOver"   },
            { SkXfermode::kDstOver_Mode,  "DstOver"   },
            { SkXfermode::kSrcIn_Mode,    "SrcIn"     },
            { SkXfermode::kDstIn_Mode,    "DstIn"     },
            { SkXfermode::kSrcOut_Mode,   "SrcOut"    },
            { SkXfermode::kDstOut_Mode,   "DstOut"    },
            { SkXfermode::kSrcATop_Mode,  "SrcATop"   },
            { SkXfermode::kDstATop_Mode,  "DstATop"   },
            { SkXfermode::kXor_Mode,      "Xor"       },

            { SkXfermode::kPlus_Mode,         "Plus"          },
            { SkXfermode::kMultiply_Mode,     "Multiply"      },
            { SkXfermode::kScreen_Mode,       "Screen"        },
            { SkXfermode::kOverlay_Mode,      "Overlay"       },
            { SkXfermode::kDarken_Mode,       "Darken"        },
            { SkXfermode::kLighten_Mode,      "Lighten"       },
            { SkXfermode::kColorDodge_Mode,   "ColorDodge"    },
            { SkXfermode::kColorBurn_Mode,    "ColorBurn"     },
            { SkXfermode::kHardLight_Mode,    "HardLight"     },
            { SkXfermode::kSoftLight_Mode,    "SoftLight"     },
            { SkXfermode::kDifference_Mode,   "Difference"    },
            { SkXfermode::kExclusion_Mode,    "Exclusion"     },
        };

        const SkScalar w = SkIntToScalar(W);
        const SkScalar h = SkIntToScalar(H);
        SkShader* s = SkShader::CreateBitmapShader(fBG,
                                                   SkShader::kRepeat_TileMode,
                                                   SkShader::kRepeat_TileMode);
        SkMatrix m;
        m.setScale(SkIntToScalar(6), SkIntToScalar(6));
        s->setLocalMatrix(m);

        SkPaint labelP;
        labelP.setAntiAlias(true);
        labelP.setTextAlign(SkPaint::kCenter_Align);

        const int W = 5;

        SkScalar x0 = 0;
        for (int twice = 0; twice < 2; twice++) {
            SkScalar x = x0, y = 0;
            for (size_t i = 0; i < SK_ARRAY_COUNT(gModes); i++) {
                SkXfermode* mode = SkXfermode::Create(gModes[i].fMode);
                SkAutoUnref aur(mode);
                SkRect r;
                r.set(x, y, x+w, y+h);

                SkPaint p;
                p.setStyle(SkPaint::kFill_Style);
                p.setShader(s);
                canvas->drawRect(r, p);

                canvas->saveLayer(&r, NULL, SkCanvas::kARGB_ClipLayer_SaveFlag);
                draw_mode(canvas, mode, twice ? 0x88 : 0xFF, r.fLeft, r.fTop);
                canvas->restore();

                r.inset(-SK_ScalarHalf, -SK_ScalarHalf);
                p.setStyle(SkPaint::kStroke_Style);
                p.setShader(NULL);
                canvas->drawRect(r, p);

#if 1
                canvas->drawText(gModes[i].fLabel, strlen(gModes[i].fLabel),
                                 x + w/2, y - labelP.getTextSize()/2, labelP);
#endif
                x += w + SkIntToScalar(10);
                if ((i % W) == W - 1) {
                    x = x0;
                    y += h + SkIntToScalar(30);
                }
            }
            x0 += SkIntToScalar(400);
        }
        s->unref();
    }

 virtual void onDrawContent(SkCanvas* canvas) {
     canvas->translate(fPaint.getTextSize(), fPaint.getTextSize());
     doMeasure(canvas, fPaint, "Hamburgefons");
 }

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);
}

 virtual const char* onGetName() {
     fName.printf("shadermask", SkScalarToFloat(fPaint.getTextSize()));
     fName.appendf("_%s", fontQualityName(fPaint));
     fName.appendf("_%02X", fPaint.getAlpha());
     return fName.c_str();
 }

    const SkTextBlob* makeBlob(unsigned blobIndex) {
        SkTextBlobBuilder builder;

        SkPaint font;
        font.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
        font.setAntiAlias(true);
        font.setSubpixelText(true);
        font.setTypeface(fTypeface);

        for (unsigned l = 0; l < SK_ARRAY_COUNT(blobConfigs[blobIndex]); ++l) {
            unsigned currentGlyph = 0;

            for (unsigned c = 0; c < SK_ARRAY_COUNT(blobConfigs[blobIndex][l]); ++c) {
                const BlobCfg* cfg = &blobConfigs[blobIndex][l][c];
                unsigned count = cfg->count;

                if (count > fGlyphs.count() - currentGlyph) {
                    count = fGlyphs.count() - currentGlyph;
                }
                if (0 == count) {
                    break;
                }

                font.setTextSize(kFontSize * cfg->scale);
                const SkScalar advanceX = font.getTextSize() * 0.85f;
                const SkScalar advanceY = font.getTextSize() * 1.5f;

                SkPoint offset = SkPoint::Make(currentGlyph * advanceX + c * advanceX,
                                               advanceY * l);
                switch (cfg->pos) {
                case kDefault_Pos: {
                    const SkTextBlobBuilder::RunBuffer& buf = builder.allocRun(font, count,
                                                                               offset.x(),
                                                                               offset.y());
                    memcpy(buf.glyphs, fGlyphs.begin() + currentGlyph, count * sizeof(uint16_t));
                } break;
                case kScalar_Pos: {
                    const SkTextBlobBuilder::RunBuffer& buf = builder.allocRunPosH(font, count,
                                                                                   offset.y());
                    SkTDArray<SkScalar> pos;
                    for (unsigned i = 0; i < count; ++i) {
                        *pos.append() = offset.x() + i * advanceX;
                    }

                    memcpy(buf.glyphs, fGlyphs.begin() + currentGlyph, count * sizeof(uint16_t));
                    memcpy(buf.pos, pos.begin(), count * sizeof(SkScalar));
                } break;
                case kPoint_Pos: {
                    const SkTextBlobBuilder::RunBuffer& buf = builder.allocRunPos(font, count);

                    SkTDArray<SkScalar> pos;
                    for (unsigned i = 0; i < count; ++i) {
                        *pos.append() = offset.x() + i * advanceX;
                        *pos.append() = offset.y() + i * (advanceY / count);
                    }

                    memcpy(buf.glyphs, fGlyphs.begin() + currentGlyph, count * sizeof(uint16_t));
                    memcpy(buf.pos, pos.begin(), count * sizeof(SkScalar) * 2);
                } break;
                default:
                    SkFAIL("unhandled pos value");
                }

                currentGlyph += count;
            }
        }

        return builder.build();
    }