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(®ion);
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(¢er);
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);
}
}
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(®ion);
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);
}
}