示例#1
0
void SkLinearBitmapPipeline::Stage<Base, kSize, Next>::initStage(Next* next, Args&& ... args) {
    SkASSERTF(sizeof(Variant) <= sizeof(fSpace),
              "Size Variant: %d, Space: %d", sizeof(Variant), sizeof(fSpace));

    new (&fSpace) Variant(next, std::forward<Args>(args)...);
    fStageCloner = [this](Next* nextClone, void* addr) {
        new (addr) Variant(nextClone, (const Variant&)*this->get());
    };
    fIsInitialized = true;
};
示例#2
0
static void test_blender(std::string resourceName, skiatest::Reporter* reporter) {
    std::string fileName = resourceName + ".png";
    sk_sp<SkImage> image = GetResourceAsImage(fileName.c_str());
    if (image == nullptr) {
        ERRORF(reporter, "image is NULL");
        return;
    }
    SkBitmap bm;
    if (!as_IB(image)->getROPixels(&bm)) {
        ERRORF(reporter, "Could not read resource");
        return;
    }

    SkPixmap pixmap;
    bm.peekPixels(&pixmap);
    SkASSERTF(pixmap.colorType() == kN32_SkColorType, "colorType: %d", pixmap.colorType());
    SkASSERT(pixmap.alphaType() != kUnpremul_SkAlphaType);
    const uint32_t* src = pixmap.addr32();
    const int width = pixmap.rowBytesAsPixels();
    SkASSERT(width > 0);
    SkASSERT(width < 4000);
    SkAutoTArray<uint32_t> correctDst(width);
    SkAutoTArray<uint32_t> testDst(width);

    for (int y = 0; y < pixmap.height(); y++) {
        // TODO: zero is not the most interesting dst to test srcover...
        sk_bzero(correctDst.get(), width * sizeof(uint32_t));
        sk_bzero(testDst.get(), width * sizeof(uint32_t));
        brute_force_srcover_srgb_srgb(correctDst.get(), src, width, width);
        SkOpts::    srcover_srgb_srgb(   testDst.get(), src, width, width);
        for (int x = 0; x < width; x++) {
            REPORTER_ASSERT_MESSAGE(
                reporter, correctDst[x] == testDst[x],
                mismatch_message(resourceName, x, y, src[x], correctDst[x], testDst[x]));
            if (correctDst[x] != testDst[x]) break;
        }
        src += width;
    }
}
示例#3
0
    static void AdjustTextForFontMetrics(SkRect* rect, const SkPaint& paint) {
#ifdef SK_DEBUG
        SkRect correct = *rect;
#endif
        // crbug.com/373785 ~~> xPad = 4x yPad
        // crbug.com/424824 ~~> bump yPad from 2x text size to 2.5x
        const SkScalar yPad = 2.5f * paint.getTextSize(),
            xPad = 4.0f * yPad;
        rect->outset(xPad, yPad);
#ifdef SK_DEBUG
        SkPaint::FontMetrics metrics;
        paint.getFontMetrics(&metrics);
        correct.fLeft += metrics.fXMin;
        correct.fTop += metrics.fTop;
        correct.fRight += metrics.fXMax;
        correct.fBottom += metrics.fBottom;
        // See skia:2862 for why we ignore small text sizes.
        SkASSERTF(paint.getTextSize() < 0.001f || rect->contains(correct),
                    "%f %f %f %f vs. %f %f %f %f\n",
                    -xPad, -yPad, +xPad, +yPad,
                    metrics.fXMin, metrics.fTop, metrics.fXMax, metrics.fBottom);
#endif
    }
示例#4
0
static int valid_unit_divide(SkScalar numer, SkScalar denom, SkScalar* ratio) {
    SkASSERT(ratio);

    if (numer < 0) {
        numer = -numer;
        denom = -denom;
    }

    if (denom == 0 || numer == 0 || numer >= denom) {
        return 0;
    }

    SkScalar r = numer / denom;
    if (SkScalarIsNaN(r)) {
        return 0;
    }
    SkASSERTF(r >= 0 && r < SK_Scalar1, "numer %f, denom %f, r %f", numer, denom, r);
    if (r == 0) { // catch underflow if numer <<<< denom
        return 0;
    }
    *ratio = r;
    return 1;
}
示例#5
0
static void copy_v(void* dst, const S* src, int n, Rest&&... rest) {
    SkASSERTF(((uintptr_t)dst & (alignof(S)-1)) == 0,
              "Expected %p to be aligned for at least %zu bytes.", dst, alignof(S));
    sk_careful_memcpy(dst, src, n*sizeof(S));
    copy_v(SkTAddOffset<void>(dst, n*sizeof(S)), std::forward<Rest>(rest)...);
}
示例#6
0
void SkPicturePlayback::handleOp(SkReadBuffer* reader,
                                 DrawType op,
                                 uint32_t size,
                                 SkCanvas* canvas,
                                 const SkMatrix& initialMatrix) {
    switch (op) {
        case NOOP: {
            SkASSERT(size >= 4);
            reader->skip(size - 4);
        } break;
        case CLIP_PATH: {
            const SkPath& path = fPictureData->getPath(reader);
            uint32_t packed = reader->readInt();
            SkRegion::Op regionOp = ClipParams_unpackRegionOp(packed);
            bool doAA = ClipParams_unpackDoAA(packed);
            size_t offsetToRestore = reader->readInt();
            SkASSERT(!offsetToRestore || offsetToRestore >= reader->offset());
            canvas->clipPath(path, regionOp, doAA);
            if (canvas->isClipEmpty() && offsetToRestore) {
                reader->skip(offsetToRestore - reader->offset());
            }
        } break;
        case CLIP_REGION: {
            SkRegion region;
            reader->readRegion(&region);
            uint32_t packed = reader->readInt();
            SkRegion::Op regionOp = ClipParams_unpackRegionOp(packed);
            size_t offsetToRestore = reader->readInt();
            SkASSERT(!offsetToRestore || offsetToRestore >= reader->offset());
            canvas->clipRegion(region, regionOp);
            if (canvas->isClipEmpty() && offsetToRestore) {
                reader->skip(offsetToRestore - reader->offset());
            }
        } break;
        case CLIP_RECT: {
            SkRect rect;
            reader->readRect(&rect);
            uint32_t packed = reader->readInt();
            SkRegion::Op regionOp = ClipParams_unpackRegionOp(packed);
            bool doAA = ClipParams_unpackDoAA(packed);
            size_t offsetToRestore = reader->readInt();
            SkASSERT(!offsetToRestore || offsetToRestore >= reader->offset());
            canvas->clipRect(rect, regionOp, doAA);
            if (canvas->isClipEmpty() && offsetToRestore) {
                reader->skip(offsetToRestore - reader->offset());
            }
        } break;
        case CLIP_RRECT: {
            SkRRect rrect;
            reader->readRRect(&rrect);
            uint32_t packed = reader->readInt();
            SkRegion::Op regionOp = ClipParams_unpackRegionOp(packed);
            bool doAA = ClipParams_unpackDoAA(packed);
            size_t offsetToRestore = reader->readInt();
            SkASSERT(!offsetToRestore || offsetToRestore >= reader->offset());
            canvas->clipRRect(rrect, regionOp, doAA);
            if (canvas->isClipEmpty() && offsetToRestore) {
                reader->skip(offsetToRestore - reader->offset());
            }
        } break;
        case PUSH_CULL: break;  // Deprecated, safe to ignore both push and pop.
        case POP_CULL:  break;
        case CONCAT: {
            SkMatrix matrix;
            reader->readMatrix(&matrix);
            canvas->concat(matrix);
            break;
        }
        case DRAW_ANNOTATION: {
            SkRect rect;
            reader->readRect(&rect);
            SkString key;
            reader->readString(&key);
            canvas->drawAnnotation(rect, key.c_str(), reader->readByteArrayAsData().get());
        } break;
        case DRAW_ATLAS: {
            const SkPaint* paint = fPictureData->getPaint(reader);
            const SkImage* atlas = fPictureData->getImage(reader);
            const uint32_t flags = reader->readUInt();
            const int count = reader->readUInt();
            const SkRSXform* xform = (const SkRSXform*)reader->skip(count * sizeof(SkRSXform));
            const SkRect* tex = (const SkRect*)reader->skip(count * sizeof(SkRect));
            const SkColor* colors = nullptr;
            SkXfermode::Mode mode = SkXfermode::kDst_Mode;
            if (flags & DRAW_ATLAS_HAS_COLORS) {
                colors = (const SkColor*)reader->skip(count * sizeof(SkColor));
                mode = (SkXfermode::Mode)reader->readUInt();
            }
            const SkRect* cull = nullptr;
            if (flags & DRAW_ATLAS_HAS_CULL) {
                cull = (const SkRect*)reader->skip(sizeof(SkRect));
            }
            canvas->drawAtlas(atlas, xform, tex, colors, count, mode, cull, paint);
        } break;
        case DRAW_BITMAP: {
            const SkPaint* paint = fPictureData->getPaint(reader);
            const SkBitmap bitmap = shallow_copy(fPictureData->getBitmap(reader));
            SkPoint loc;
            reader->readPoint(&loc);
            canvas->drawBitmap(bitmap, loc.fX, loc.fY, paint);
        } break;
        case DRAW_BITMAP_RECT: {
            const SkPaint* paint = fPictureData->getPaint(reader);
            const SkBitmap bitmap = shallow_copy(fPictureData->getBitmap(reader));
            SkRect storage;
            const SkRect* src = get_rect_ptr(reader, &storage);   // may be null
            SkRect dst;
            reader->readRect(&dst);     // required
            SkCanvas::SrcRectConstraint constraint = (SkCanvas::SrcRectConstraint)reader->readInt();
            canvas->legacy_drawBitmapRect(bitmap, src, dst, paint, constraint);
        } break;
        case DRAW_BITMAP_MATRIX: {
            const SkPaint* paint = fPictureData->getPaint(reader);
            const SkBitmap bitmap = shallow_copy(fPictureData->getBitmap(reader));
            SkMatrix matrix;
            reader->readMatrix(&matrix);

            SkAutoCanvasRestore acr(canvas, true);
            canvas->concat(matrix);
            canvas->drawBitmap(bitmap, 0, 0, paint);
        } break;
        case DRAW_BITMAP_NINE: {
            const SkPaint* paint = fPictureData->getPaint(reader);
            const SkBitmap bitmap = shallow_copy(fPictureData->getBitmap(reader));
            SkIRect src;
            reader->readIRect(&src);
            SkRect dst;
            reader->readRect(&dst);
            canvas->drawBitmapNine(bitmap, src, dst, paint);
        } break;
        case DRAW_CLEAR:
            canvas->clear(reader->readInt());
            break;
        case DRAW_DATA: {
            // This opcode is now dead, just need to skip it for backwards compatibility
            size_t length = reader->readInt();
            (void)reader->skip(length);
            // skip handles padding the read out to a multiple of 4
        } break;
        case DRAW_DRAWABLE:
            canvas->drawDrawable(fPictureData->getDrawable(reader));
            break;
        case DRAW_DRAWABLE_MATRIX: {
            SkMatrix matrix;
            reader->readMatrix(&matrix);
            SkDrawable* drawable = fPictureData->getDrawable(reader);
            canvas->drawDrawable(drawable, &matrix);
        } break;
        case DRAW_DRRECT: {
            const SkPaint* paint = fPictureData->getPaint(reader);
            SkRRect outer, inner;
            reader->readRRect(&outer);
            reader->readRRect(&inner);
            if (paint) {
                canvas->drawDRRect(outer, inner, *paint);
            }
        } break;
        case BEGIN_COMMENT_GROUP: {
            SkString tmp;
            reader->readString(&tmp);
            // deprecated (M44)
            break;
        }
        case COMMENT: {
            SkString tmp;
            reader->readString(&tmp);
            reader->readString(&tmp);
            // deprecated (M44)
            break;
        }
        case END_COMMENT_GROUP:
            // deprecated (M44)
            break;
        case DRAW_IMAGE: {
            const SkPaint* paint = fPictureData->getPaint(reader);
            const SkImage* image = fPictureData->getImage(reader);
            SkPoint loc;
            reader->readPoint(&loc);
            canvas->drawImage(image, loc.fX, loc.fY, paint);
        } break;
        case DRAW_IMAGE_NINE: {
            const SkPaint* paint = fPictureData->getPaint(reader);
            const SkImage* image = fPictureData->getImage(reader);
            SkIRect center;
            reader->readIRect(&center);
            SkRect dst;
            reader->readRect(&dst);
            canvas->drawImageNine(image, center, dst, paint);
        } break;
        case DRAW_IMAGE_RECT_STRICT:
        case DRAW_IMAGE_RECT: {
            const SkPaint* paint = fPictureData->getPaint(reader);
            const SkImage* image = fPictureData->getImage(reader);
            SkRect storage;
            const SkRect* src = get_rect_ptr(reader, &storage);   // may be null
            SkRect dst;
            reader->readRect(&dst);     // required
            // DRAW_IMAGE_RECT_STRICT assumes this constraint, and doesn't store it
            SkCanvas::SrcRectConstraint constraint = SkCanvas::kStrict_SrcRectConstraint;
            if (DRAW_IMAGE_RECT == op) {
                // newer op-code stores the constraint explicitly
                constraint = (SkCanvas::SrcRectConstraint)reader->readInt();
            }
            canvas->legacy_drawImageRect(image, src, dst, paint, constraint);
        } break;
        case DRAW_OVAL: {
            const SkPaint* paint = fPictureData->getPaint(reader);
            SkRect rect;
            reader->readRect(&rect);
            if (paint) {
                canvas->drawOval(rect, *paint);
            }
        } break;
        case DRAW_PAINT: {
            const SkPaint* paint = fPictureData->getPaint(reader);
            if (paint) {
                canvas->drawPaint(*paint);
            }
        } break;
        case DRAW_PATCH: {
            const SkPaint* paint = fPictureData->getPaint(reader);

            const SkPoint* cubics = (const SkPoint*)reader->skip(SkPatchUtils::kNumCtrlPts *
                                                                 sizeof(SkPoint));
            uint32_t flag = reader->readInt();
            const SkColor* colors = nullptr;
            if (flag & DRAW_VERTICES_HAS_COLORS) {
                colors = (const SkColor*)reader->skip(SkPatchUtils::kNumCorners * sizeof(SkColor));
            }
            const SkPoint* texCoords = nullptr;
            if (flag & DRAW_VERTICES_HAS_TEXS) {
                texCoords = (const SkPoint*)reader->skip(SkPatchUtils::kNumCorners *
                                                         sizeof(SkPoint));
            }
            sk_sp<SkXfermode> xfer;
            if (flag & DRAW_VERTICES_HAS_XFER) {
                int mode = reader->readInt();
                if (mode < 0 || mode > SkXfermode::kLastMode) {
                    mode = SkXfermode::kModulate_Mode;
                }
                xfer = SkXfermode::Make((SkXfermode::Mode)mode);
            }
            if (paint) {
                canvas->drawPatch(cubics, colors, texCoords, std::move(xfer), *paint);
            }
        } break;
        case DRAW_PATH: {
            const SkPaint* paint = fPictureData->getPaint(reader);
            if (paint) {
                canvas->drawPath(fPictureData->getPath(reader), *paint);
            }
        } break;
        case DRAW_PICTURE:
            canvas->drawPicture(fPictureData->getPicture(reader));
            break;
        case DRAW_PICTURE_MATRIX_PAINT: {
            const SkPaint* paint = fPictureData->getPaint(reader);
            SkMatrix matrix;
            reader->readMatrix(&matrix);
            const SkPicture* pic = fPictureData->getPicture(reader);
            canvas->drawPicture(pic, &matrix, paint);
        } break;
        case DRAW_POINTS: {
            const SkPaint* paint = fPictureData->getPaint(reader);
            SkCanvas::PointMode mode = (SkCanvas::PointMode)reader->readInt();
            size_t count = reader->readInt();
            const SkPoint* pts = (const SkPoint*)reader->skip(sizeof(SkPoint)* count);
            if (paint) {
                canvas->drawPoints(mode, count, pts, *paint);
            }
        } break;
        case DRAW_POS_TEXT: {
            const SkPaint* paint = fPictureData->getPaint(reader);
            TextContainer text;
            get_text(reader, &text);
            size_t points = reader->readInt();
            const SkPoint* pos = (const SkPoint*)reader->skip(points * sizeof(SkPoint));
            if (paint) {
                canvas->drawPosText(text.text(), text.length(), pos, *paint);
            }
        } break;
        case DRAW_POS_TEXT_TOP_BOTTOM: {
            const SkPaint* paint = fPictureData->getPaint(reader);
            TextContainer text;
            get_text(reader, &text);
            size_t points = reader->readInt();
            const SkPoint* pos = (const SkPoint*)reader->skip(points * sizeof(SkPoint));
            const SkScalar top = reader->readScalar();
            const SkScalar bottom = reader->readScalar();
            if (!canvas->quickRejectY(top, bottom) && paint) {
                canvas->drawPosText(text.text(), text.length(), pos, *paint);
            }
        } break;
        case DRAW_POS_TEXT_H: {
            const SkPaint* paint = fPictureData->getPaint(reader);
            TextContainer text;
            get_text(reader, &text);
            size_t xCount = reader->readInt();
            const SkScalar constY = reader->readScalar();
            const SkScalar* xpos = (const SkScalar*)reader->skip(xCount * sizeof(SkScalar));
            if (paint) {
                canvas->drawPosTextH(text.text(), text.length(), xpos, constY, *paint);
            }
        } break;
        case DRAW_POS_TEXT_H_TOP_BOTTOM: {
            const SkPaint* paint = fPictureData->getPaint(reader);
            TextContainer text;
            get_text(reader, &text);
            size_t xCount = reader->readInt();
            const SkScalar* xpos = (const SkScalar*)reader->skip((3 + xCount) * sizeof(SkScalar));
            const SkScalar top = *xpos++;
            const SkScalar bottom = *xpos++;
            const SkScalar constY = *xpos++;
            if (!canvas->quickRejectY(top, bottom) && paint) {
                canvas->drawPosTextH(text.text(), text.length(), xpos, constY, *paint);
            }
        } break;
        case DRAW_RECT: {
            const SkPaint* paint = fPictureData->getPaint(reader);
            SkRect rect;
            reader->readRect(&rect);
            if (paint) {
                canvas->drawRect(rect, *paint);
            }
        } break;
        case DRAW_RRECT: {
            const SkPaint* paint = fPictureData->getPaint(reader);
            SkRRect rrect;
            reader->readRRect(&rrect);
            if (paint) {
                canvas->drawRRect(rrect, *paint);
            }
        } break;
        case DRAW_SPRITE: {
            /* const SkPaint* paint = */ fPictureData->getPaint(reader);
            /* const SkBitmap bitmap = */ shallow_copy(fPictureData->getBitmap(reader));
            /* int left = */ reader->readInt();
            /* int top = */ reader->readInt();
            // drawSprite removed dec-2015
        } break;
        case DRAW_TEXT: {
            const SkPaint* paint = fPictureData->getPaint(reader);
            TextContainer text;
            get_text(reader, &text);
            SkScalar x = reader->readScalar();
            SkScalar y = reader->readScalar();
            if (paint) {
                canvas->drawText(text.text(), text.length(), x, y, *paint);
            }
        } break;
        case DRAW_TEXT_BLOB: {
            const SkPaint* paint = fPictureData->getPaint(reader);
            const SkTextBlob* blob = fPictureData->getTextBlob(reader);
            SkScalar x = reader->readScalar();
            SkScalar y = reader->readScalar();
            if (paint) {
                canvas->drawTextBlob(blob, x, y, *paint);
            }
        } break;
        case DRAW_TEXT_TOP_BOTTOM: {
            const SkPaint* paint = fPictureData->getPaint(reader);
            TextContainer text;
            get_text(reader, &text);
            const SkScalar* ptr = (const SkScalar*)reader->skip(4 * sizeof(SkScalar));
            // ptr[0] == x
            // ptr[1] == y
            // ptr[2] == top
            // ptr[3] == bottom
            if (!canvas->quickRejectY(ptr[2], ptr[3]) && paint) {
                canvas->drawText(text.text(), text.length(), ptr[0], ptr[1], *paint);
            }
        } break;
        case DRAW_TEXT_ON_PATH: {
            const SkPaint* paint = fPictureData->getPaint(reader);
            TextContainer text;
            get_text(reader, &text);
            const SkPath& path = fPictureData->getPath(reader);
            SkMatrix matrix;
            reader->readMatrix(&matrix);
            if (paint) {
                canvas->drawTextOnPath(text.text(), text.length(), path, &matrix, *paint);
            }
        } break;
        case DRAW_TEXT_RSXFORM: {
            const SkPaint* paint = fPictureData->getPaint(reader);
            int count = reader->readInt();
            uint32_t flags = reader->read32();
            TextContainer text;
            get_text(reader, &text);
            const SkRSXform* xform = (const SkRSXform*)reader->skip(count * sizeof(SkRSXform));
            const SkRect* cull = nullptr;
            if (flags & DRAW_TEXT_RSXFORM_HAS_CULL) {
                cull = (const SkRect*)reader->skip(sizeof(SkRect));
            }
            canvas->drawTextRSXform(text.text(), text.length(), xform, cull, *paint);
        } break;
        case DRAW_VERTICES: {
            sk_sp<SkXfermode> xfer;
            const SkPaint* paint = fPictureData->getPaint(reader);
            DrawVertexFlags flags = (DrawVertexFlags)reader->readInt();
            SkCanvas::VertexMode vmode = (SkCanvas::VertexMode)reader->readInt();
            int vCount = reader->readInt();
            const SkPoint* verts = (const SkPoint*)reader->skip(vCount * sizeof(SkPoint));
            const SkPoint* texs = nullptr;
            const SkColor* colors = nullptr;
            const uint16_t* indices = nullptr;
            int iCount = 0;
            if (flags & DRAW_VERTICES_HAS_TEXS) {
                texs = (const SkPoint*)reader->skip(vCount * sizeof(SkPoint));
            }
            if (flags & DRAW_VERTICES_HAS_COLORS) {
                colors = (const SkColor*)reader->skip(vCount * sizeof(SkColor));
            }
            if (flags & DRAW_VERTICES_HAS_INDICES) {
                iCount = reader->readInt();
                indices = (const uint16_t*)reader->skip(iCount * sizeof(uint16_t));
            }
            if (flags & DRAW_VERTICES_HAS_XFER) {
                int mode = reader->readInt();
                if (mode < 0 || mode > SkXfermode::kLastMode) {
                    mode = SkXfermode::kModulate_Mode;
                }
                xfer = SkXfermode::Make((SkXfermode::Mode)mode);
            }
            if (paint) {
                canvas->drawVertices(vmode, vCount, verts, texs, colors,
                                     xfer, indices, iCount, *paint);
            }
        } break;
        case RESTORE:
            canvas->restore();
            break;
        case ROTATE:
            canvas->rotate(reader->readScalar());
            break;
        case SAVE:
            // SKPs with version < 29 also store a SaveFlags param.
            if (size > 4) {
                if (reader->validate(8 == size)) {
                    reader->readInt();
                }
            }
            canvas->save();
            break;
        case SAVE_LAYER_SAVEFLAGS_DEPRECATED: {
            SkRect storage;
            const SkRect* boundsPtr = get_rect_ptr(reader, &storage);
            const SkPaint* paint = fPictureData->getPaint(reader);
            auto flags = SkCanvas::LegacySaveFlagsToSaveLayerFlags(reader->readInt());
            canvas->saveLayer(SkCanvas::SaveLayerRec(boundsPtr, paint, flags));
        } break;
        case SAVE_LAYER_SAVELAYERFLAGS_DEPRECATED_JAN_2016: {
            SkRect storage;
            const SkRect* boundsPtr = get_rect_ptr(reader, &storage);
            const SkPaint* paint = fPictureData->getPaint(reader);
            canvas->saveLayer(SkCanvas::SaveLayerRec(boundsPtr, paint, reader->readInt()));
        } break;
        case SAVE_LAYER_SAVELAYERREC: {
            SkCanvas::SaveLayerRec rec(nullptr, nullptr, nullptr, 0);
            const uint32_t flatFlags = reader->readInt();
            SkRect bounds;
            if (flatFlags & SAVELAYERREC_HAS_BOUNDS) {
                reader->readRect(&bounds);
                rec.fBounds = &bounds;
            }
            if (flatFlags & SAVELAYERREC_HAS_PAINT) {
                rec.fPaint = fPictureData->getPaint(reader);
            }
            if (flatFlags & SAVELAYERREC_HAS_BACKDROP) {
                const SkPaint* paint = fPictureData->getPaint(reader);
                rec.fBackdrop = paint->getImageFilter();
            }
            if (flatFlags & SAVELAYERREC_HAS_FLAGS) {
                rec.fSaveLayerFlags = reader->readInt();
            }
            canvas->saveLayer(rec);
        } break;
        case SCALE: {
            SkScalar sx = reader->readScalar();
            SkScalar sy = reader->readScalar();
            canvas->scale(sx, sy);
        } break;
        case SET_MATRIX: {
            SkMatrix matrix;
            reader->readMatrix(&matrix);
            matrix.postConcat(initialMatrix);
            canvas->setMatrix(matrix);
        } break;
        case SKEW: {
            SkScalar sx = reader->readScalar();
            SkScalar sy = reader->readScalar();
            canvas->skew(sx, sy);
        } break;
        case TRANSLATE: {
            SkScalar dx = reader->readScalar();
            SkScalar dy = reader->readScalar();
            canvas->translate(dx, dy);
        } break;
        default:
            SkASSERTF(false, "Unknown draw type: %d", op);
    }
}
示例#7
0
void SkLinearBitmapPipeline::Stage<Base, kSize, Next>::initSink(Args&& ... args) {
    SkASSERTF(sizeof(Variant) <= sizeof(fSpace),
              "Size Variant: %d, Space: %d", sizeof(Variant), sizeof(fSpace));
    new (&fSpace) Variant(std::forward<Args>(args)...);
    fIsInitialized = true;
};
示例#8
0
void SkPicturePlayback::handleOp(SkReader32* reader,
                                 DrawType op,
                                 uint32_t size,
                                 SkCanvas* canvas,
                                 const SkMatrix& initialMatrix) {
    switch (op) {
        case NOOP: {
            SkASSERT(size >= 4);
            reader->skip(size - 4);
        } break;
        case CLIP_PATH: {
            const SkPath& path = fPictureData->getPath(reader);
            uint32_t packed = reader->readInt();
            SkRegion::Op regionOp = ClipParams_unpackRegionOp(packed);
            bool doAA = ClipParams_unpackDoAA(packed);
            size_t offsetToRestore = reader->readInt();
            SkASSERT(!offsetToRestore || offsetToRestore >= reader->offset());
            canvas->clipPath(path, regionOp, doAA);
            if (canvas->isClipEmpty() && offsetToRestore) {
                reader->setOffset(offsetToRestore);
            }
        } break;
        case CLIP_REGION: {
            SkRegion region;
            reader->readRegion(&region);
            uint32_t packed = reader->readInt();
            SkRegion::Op regionOp = ClipParams_unpackRegionOp(packed);
            size_t offsetToRestore = reader->readInt();
            SkASSERT(!offsetToRestore || offsetToRestore >= reader->offset());
            canvas->clipRegion(region, regionOp);
            if (canvas->isClipEmpty() && offsetToRestore) {
                reader->setOffset(offsetToRestore);
            }
        } break;
        case CLIP_RECT: {
            const SkRect& rect = reader->skipT<SkRect>();
            uint32_t packed = reader->readInt();
            SkRegion::Op regionOp = ClipParams_unpackRegionOp(packed);
            bool doAA = ClipParams_unpackDoAA(packed);
            size_t offsetToRestore = reader->readInt();
            SkASSERT(!offsetToRestore || offsetToRestore >= reader->offset());
            canvas->clipRect(rect, regionOp, doAA);
            if (canvas->isClipEmpty() && offsetToRestore) {
                reader->setOffset(offsetToRestore);
            }
        } break;
        case CLIP_RRECT: {
            SkRRect rrect;
            reader->readRRect(&rrect);
            uint32_t packed = reader->readInt();
            SkRegion::Op regionOp = ClipParams_unpackRegionOp(packed);
            bool doAA = ClipParams_unpackDoAA(packed);
            size_t offsetToRestore = reader->readInt();
            SkASSERT(!offsetToRestore || offsetToRestore >= reader->offset());
            canvas->clipRRect(rrect, regionOp, doAA);
            if (canvas->isClipEmpty() && offsetToRestore) {
                reader->setOffset(offsetToRestore);
            }
        } break;
        case PUSH_CULL: break;  // Deprecated, safe to ignore both push and pop.
        case POP_CULL:  break;
        case CONCAT: {
            SkMatrix matrix;
            reader->readMatrix(&matrix);
            canvas->concat(matrix);
            break;
        }
        case DRAW_BITMAP: {
            const SkPaint* paint = fPictureData->getPaint(reader);
            const SkBitmap bitmap = shallow_copy(fPictureData->getBitmap(reader));
            const SkPoint& loc = reader->skipT<SkPoint>();
            canvas->drawBitmap(bitmap, loc.fX, loc.fY, paint);
        } break;
        case DRAW_BITMAP_RECT_TO_RECT: {
            const SkPaint* paint = fPictureData->getPaint(reader);
            const SkBitmap bitmap = shallow_copy(fPictureData->getBitmap(reader));
            const SkRect* src = get_rect_ptr(reader);   // may be null
            const SkRect& dst = reader->skipT<SkRect>();     // required
            SkCanvas::DrawBitmapRectFlags flags;
            flags = (SkCanvas::DrawBitmapRectFlags) reader->readInt();
            canvas->drawBitmapRectToRect(bitmap, src, dst, paint, flags);
        } break;
        case DRAW_BITMAP_MATRIX: {
            const SkPaint* paint = fPictureData->getPaint(reader);
            const SkBitmap bitmap = shallow_copy(fPictureData->getBitmap(reader));
            SkMatrix matrix;
            reader->readMatrix(&matrix);

            SkAutoCanvasRestore acr(canvas, true);
            canvas->concat(matrix);
            canvas->drawBitmap(bitmap, 0, 0, paint);
        } break;
        case DRAW_BITMAP_NINE: {
            const SkPaint* paint = fPictureData->getPaint(reader);
            const SkBitmap bitmap = shallow_copy(fPictureData->getBitmap(reader));
            const SkIRect& src = reader->skipT<SkIRect>();
            const SkRect& dst = reader->skipT<SkRect>();
            canvas->drawBitmapNine(bitmap, src, dst, paint);
        } break;
        case DRAW_CLEAR:
            canvas->clear(reader->readInt());
            break;
        case DRAW_DATA: {
            size_t length = reader->readInt();
            canvas->drawData(reader->skip(length), length);
            // skip handles padding the read out to a multiple of 4
        } break;
        case DRAW_DRRECT: {
            const SkPaint& paint = *fPictureData->getPaint(reader);
            SkRRect outer, inner;
            reader->readRRect(&outer);
            reader->readRRect(&inner);
            canvas->drawDRRect(outer, inner, paint);
        } break;
        case BEGIN_COMMENT_GROUP: {
            const char* desc = reader->readString();
            canvas->beginCommentGroup(desc);
        } break;
        case COMMENT: {
            const char* kywd = reader->readString();
            const char* value = reader->readString();
            canvas->addComment(kywd, value);
        } break;
        case END_COMMENT_GROUP: {
            canvas->endCommentGroup();
        } break;
        case DRAW_OVAL: {
            const SkPaint& paint = *fPictureData->getPaint(reader);
            canvas->drawOval(reader->skipT<SkRect>(), paint);
        } break;
        case DRAW_PAINT:
            canvas->drawPaint(*fPictureData->getPaint(reader));
            break;
        case DRAW_PATCH: {
            const SkPaint& paint = *fPictureData->getPaint(reader);

            const SkPoint* cubics = (const SkPoint*)reader->skip(SkPatchUtils::kNumCtrlPts *
                                                                 sizeof(SkPoint));
            uint32_t flag = reader->readInt();
            const SkColor* colors = NULL;
            if (flag & DRAW_VERTICES_HAS_COLORS) {
                colors = (const SkColor*)reader->skip(SkPatchUtils::kNumCorners * sizeof(SkColor));
            }
            const SkPoint* texCoords = NULL;
            if (flag & DRAW_VERTICES_HAS_TEXS) {
                texCoords = (const SkPoint*)reader->skip(SkPatchUtils::kNumCorners *
                                                         sizeof(SkPoint));
            }
            SkAutoTUnref<SkXfermode> xfer;
            if (flag & DRAW_VERTICES_HAS_XFER) {
                int mode = reader->readInt();
                if (mode < 0 || mode > SkXfermode::kLastMode) {
                    mode = SkXfermode::kModulate_Mode;
                }
                xfer.reset(SkXfermode::Create((SkXfermode::Mode)mode));
            }
            canvas->drawPatch(cubics, colors, texCoords, xfer, paint);
        } break;
        case DRAW_PATH: {
            const SkPaint& paint = *fPictureData->getPaint(reader);
            canvas->drawPath(fPictureData->getPath(reader), paint);
        } break;
        case DRAW_PICTURE:
            canvas->drawPicture(fPictureData->getPicture(reader));
            break;
        case DRAW_PICTURE_MATRIX_PAINT: {
            const SkPaint* paint = fPictureData->getPaint(reader);
            SkMatrix matrix;
            reader->readMatrix(&matrix);
            const SkPicture* pic = fPictureData->getPicture(reader);
            canvas->drawPicture(pic, &matrix, paint);
        } break;
        case DRAW_POINTS: {
            const SkPaint& paint = *fPictureData->getPaint(reader);
            SkCanvas::PointMode mode = (SkCanvas::PointMode)reader->readInt();
            size_t count = reader->readInt();
            const SkPoint* pts = (const SkPoint*)reader->skip(sizeof(SkPoint)* count);
            canvas->drawPoints(mode, count, pts, paint);
        } break;
        case DRAW_POS_TEXT: {
            const SkPaint& paint = *fPictureData->getPaint(reader);
            TextContainer text;
            get_text(reader, &text);
            size_t points = reader->readInt();
            const SkPoint* pos = (const SkPoint*)reader->skip(points * sizeof(SkPoint));
            canvas->drawPosText(text.text(), text.length(), pos, paint);
        } break;
        case DRAW_POS_TEXT_TOP_BOTTOM: {
            const SkPaint& paint = *fPictureData->getPaint(reader);
            TextContainer text;
            get_text(reader, &text);
            size_t points = reader->readInt();
            const SkPoint* pos = (const SkPoint*)reader->skip(points * sizeof(SkPoint));
            const SkScalar top = reader->readScalar();
            const SkScalar bottom = reader->readScalar();
            if (!canvas->quickRejectY(top, bottom)) {
                canvas->drawPosText(text.text(), text.length(), pos, paint);
            }
        } break;
        case DRAW_POS_TEXT_H: {
            const SkPaint& paint = *fPictureData->getPaint(reader);
            TextContainer text;
            get_text(reader, &text);
            size_t xCount = reader->readInt();
            const SkScalar constY = reader->readScalar();
            const SkScalar* xpos = (const SkScalar*)reader->skip(xCount * sizeof(SkScalar));
            canvas->drawPosTextH(text.text(), text.length(), xpos, constY, paint);
        } break;
        case DRAW_POS_TEXT_H_TOP_BOTTOM: {
            const SkPaint& paint = *fPictureData->getPaint(reader);
            TextContainer text;
            get_text(reader, &text);
            size_t xCount = reader->readInt();
            const SkScalar* xpos = (const SkScalar*)reader->skip((3 + xCount) * sizeof(SkScalar));
            const SkScalar top = *xpos++;
            const SkScalar bottom = *xpos++;
            const SkScalar constY = *xpos++;
            if (!canvas->quickRejectY(top, bottom)) {
                canvas->drawPosTextH(text.text(), text.length(), xpos, constY, paint);
            }
        } break;
        case DRAW_RECT: {
            const SkPaint& paint = *fPictureData->getPaint(reader);
            canvas->drawRect(reader->skipT<SkRect>(), paint);
        } break;
        case DRAW_RRECT: {
            const SkPaint& paint = *fPictureData->getPaint(reader);
            SkRRect rrect;
            reader->readRRect(&rrect);
            canvas->drawRRect(rrect, paint);
        } break;
        case DRAW_SPRITE: {
            const SkPaint* paint = fPictureData->getPaint(reader);
            const SkBitmap bitmap = shallow_copy(fPictureData->getBitmap(reader));
            int left = reader->readInt();
            int top = reader->readInt();
            canvas->drawSprite(bitmap, left, top, paint);
        } break;
        case DRAW_TEXT: {
            const SkPaint& paint = *fPictureData->getPaint(reader);
            TextContainer text;
            get_text(reader, &text);
            SkScalar x = reader->readScalar();
            SkScalar y = reader->readScalar();
            canvas->drawText(text.text(), text.length(), x, y, paint);
        } break;
        case DRAW_TEXT_BLOB: {
            const SkPaint& paint = *fPictureData->getPaint(reader);
            const SkTextBlob* blob = fPictureData->getTextBlob(reader);
            SkScalar x = reader->readScalar();
            SkScalar y = reader->readScalar();
            canvas->drawTextBlob(blob, x, y, paint);
        } break;
        case DRAW_TEXT_TOP_BOTTOM: {
            const SkPaint& paint = *fPictureData->getPaint(reader);
            TextContainer text;
            get_text(reader, &text);
            const SkScalar* ptr = (const SkScalar*)reader->skip(4 * sizeof(SkScalar));
            // ptr[0] == x
            // ptr[1] == y
            // ptr[2] == top
            // ptr[3] == bottom
            if (!canvas->quickRejectY(ptr[2], ptr[3])) {
                canvas->drawText(text.text(), text.length(), ptr[0], ptr[1], paint);
            }
        } break;
        case DRAW_TEXT_ON_PATH: {
            const SkPaint& paint = *fPictureData->getPaint(reader);
            TextContainer text;
            get_text(reader, &text);
            const SkPath& path = fPictureData->getPath(reader);
            SkMatrix matrix;
            reader->readMatrix(&matrix);
            canvas->drawTextOnPath(text.text(), text.length(), path, &matrix, paint);
        } break;
        case DRAW_VERTICES: {
            SkAutoTUnref<SkXfermode> xfer;
            const SkPaint& paint = *fPictureData->getPaint(reader);
            DrawVertexFlags flags = (DrawVertexFlags)reader->readInt();
            SkCanvas::VertexMode vmode = (SkCanvas::VertexMode)reader->readInt();
            int vCount = reader->readInt();
            const SkPoint* verts = (const SkPoint*)reader->skip(vCount * sizeof(SkPoint));
            const SkPoint* texs = NULL;
            const SkColor* colors = NULL;
            const uint16_t* indices = NULL;
            int iCount = 0;
            if (flags & DRAW_VERTICES_HAS_TEXS) {
                texs = (const SkPoint*)reader->skip(vCount * sizeof(SkPoint));
            }
            if (flags & DRAW_VERTICES_HAS_COLORS) {
                colors = (const SkColor*)reader->skip(vCount * sizeof(SkColor));
            }
            if (flags & DRAW_VERTICES_HAS_INDICES) {
                iCount = reader->readInt();
                indices = (const uint16_t*)reader->skip(iCount * sizeof(uint16_t));
            }
            if (flags & DRAW_VERTICES_HAS_XFER) {
                int mode = reader->readInt();
                if (mode < 0 || mode > SkXfermode::kLastMode) {
                    mode = SkXfermode::kModulate_Mode;
                }
                xfer.reset(SkXfermode::Create((SkXfermode::Mode)mode));
            }
            canvas->drawVertices(vmode, vCount, verts, texs, colors, xfer, indices, iCount, paint);
        } break;
        case RESTORE:
            canvas->restore();
            break;
        case ROTATE:
            canvas->rotate(reader->readScalar());
            break;
        case SAVE:
            // SKPs with version < 29 also store a SaveFlags param.
            if (size > 4) {
                SkASSERT(8 == size);
                reader->readInt();
            }
            canvas->save();
            break;
        case SAVE_LAYER: {
            const SkRect* boundsPtr = get_rect_ptr(reader);
            const SkPaint* paint = fPictureData->getPaint(reader);
            canvas->saveLayer(boundsPtr, paint, (SkCanvas::SaveFlags) reader->readInt());
        } break;
        case SCALE: {
            SkScalar sx = reader->readScalar();
            SkScalar sy = reader->readScalar();
            canvas->scale(sx, sy);
        } break;
        case SET_MATRIX: {
            SkMatrix matrix;
            reader->readMatrix(&matrix);
            matrix.postConcat(initialMatrix);
            canvas->setMatrix(matrix);
        } break;
        case SKEW: {
            SkScalar sx = reader->readScalar();
            SkScalar sy = reader->readScalar();
            canvas->skew(sx, sy);
        } break;
        case TRANSLATE: {
            SkScalar dx = reader->readScalar();
            SkScalar dy = reader->readScalar();
            canvas->translate(dx, dy);
        } break;
        default:
            SkASSERTF(false, "Unknown draw type: %d", op);
    }
}
/**
 *  Copies a FT_Bitmap into an SkMask with the same dimensions.
 *
 *  Yes, No, Never Requested, Never Produced
 *
 *                        kBW kA8 k3D kARGB32 kLCD16
 *  FT_PIXEL_MODE_MONO     Y   Y  NR     N       Y
 *  FT_PIXEL_MODE_GRAY     N   Y  NR     N       Y
 *  FT_PIXEL_MODE_GRAY2   NP  NP  NR    NP      NP
 *  FT_PIXEL_MODE_GRAY4   NP  NP  NR    NP      NP
 *  FT_PIXEL_MODE_LCD     NP  NP  NR    NP      NP
 *  FT_PIXEL_MODE_LCD_V   NP  NP  NR    NP      NP
 *  FT_PIXEL_MODE_BGRA     N   N  NR     Y       N
 *
 *  TODO: All of these N need to be Y or otherwise ruled out.
 */
static void copyFTBitmap(const FT_Bitmap& srcFTBitmap, SkMask& dstMask) {
    SkASSERTF(dstMask.fBounds.width() == static_cast<int>(srcFTBitmap.width),
              "dstMask.fBounds.width() = %d\n"
              "static_cast<int>(srcFTBitmap.width) = %d",
              dstMask.fBounds.width(),
              static_cast<int>(srcFTBitmap.width)
    );
    SkASSERTF(dstMask.fBounds.height() == static_cast<int>(srcFTBitmap.rows),
              "dstMask.fBounds.height() = %d\n"
              "static_cast<int>(srcFTBitmap.rows) = %d",
              dstMask.fBounds.height(),
              static_cast<int>(srcFTBitmap.rows)
    );

    const uint8_t* src = reinterpret_cast<const uint8_t*>(srcFTBitmap.buffer);
    const FT_Pixel_Mode srcFormat = static_cast<FT_Pixel_Mode>(srcFTBitmap.pixel_mode);
    // FT_Bitmap::pitch is an int and allowed to be negative.
    const int srcPitch = srcFTBitmap.pitch;
    const size_t srcRowBytes = SkTAbs(srcPitch);

    uint8_t* dst = dstMask.fImage;
    const SkMask::Format dstFormat = static_cast<SkMask::Format>(dstMask.fFormat);
    const size_t dstRowBytes = dstMask.fRowBytes;

    const size_t width = srcFTBitmap.width;
    const size_t height = srcFTBitmap.rows;

    if (SkMask::kLCD16_Format == dstFormat) {
        copyFT2LCD16<false>(srcFTBitmap, dstMask, false, nullptr, nullptr, nullptr);
        return;
    }

    if ((FT_PIXEL_MODE_MONO == srcFormat && SkMask::kBW_Format == dstFormat) ||
        (FT_PIXEL_MODE_GRAY == srcFormat && SkMask::kA8_Format == dstFormat))
    {
        size_t commonRowBytes = SkTMin(srcRowBytes, dstRowBytes);
        for (size_t y = height; y --> 0;) {
            memcpy(dst, src, commonRowBytes);
            src += srcPitch;
            dst += dstRowBytes;
        }
    } else if (FT_PIXEL_MODE_MONO == srcFormat && SkMask::kA8_Format == dstFormat) {
        for (size_t y = height; y --> 0;) {
            uint8_t byte = 0;
            int bits = 0;
            const uint8_t* src_row = src;
            uint8_t* dst_row = dst;
            for (size_t x = width; x --> 0;) {
                if (0 == bits) {
                    byte = *src_row++;
                    bits = 8;
                }
                *dst_row++ = byte & 0x80 ? 0xff : 0x00;
                bits--;
                byte <<= 1;
            }
            src += srcPitch;
            dst += dstRowBytes;
        }
    } else if (FT_PIXEL_MODE_BGRA == srcFormat && SkMask::kARGB32_Format == dstFormat) {
        // FT_PIXEL_MODE_BGRA is pre-multiplied.
        for (size_t y = height; y --> 0;) {
            const uint8_t* src_row = src;
            SkPMColor* dst_row = reinterpret_cast<SkPMColor*>(dst);
            for (size_t x = 0; x < width; ++x) {
                uint8_t b = *src_row++;
                uint8_t g = *src_row++;
                uint8_t r = *src_row++;
                uint8_t a = *src_row++;
                *dst_row++ = SkPackARGB32(a, r, g, b);
#ifdef SK_SHOW_TEXT_BLIT_COVERAGE
                *(dst_row-1) = SkFourByteInterp256(*(dst_row-1), SK_ColorWHITE, 0x40);
#endif
            }
            src += srcPitch;
            dst += dstRowBytes;
        }
    } else {
        SkDEBUGF(("FT_Pixel_Mode %d, SkMask::Format %d\n", srcFormat, dstFormat));
        SkDEBUGFAIL("unsupported combination of FT_Pixel_Mode and SkMask::Format");
    }
}