| /* |
| * Copyright 2014 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "SkBigPicture.h" |
| #include "SkCanvasPriv.h" |
| #include "SkPatchUtils.h" |
| #include "SkPicture.h" |
| #include "SkPictureUtils.h" |
| #include "SkRecorder.h" |
| |
| //#define WRAP_BITMAP_AS_IMAGE |
| |
| SkDrawableList::~SkDrawableList() { |
| fArray.unrefAll(); |
| } |
| |
| SkBigPicture::SnapshotArray* SkDrawableList::newDrawableSnapshot() { |
| const int count = fArray.count(); |
| if (0 == count) { |
| return nullptr; |
| } |
| SkAutoTMalloc<const SkPicture*> pics(count); |
| for (int i = 0; i < count; ++i) { |
| pics[i] = fArray[i]->newPictureSnapshot(); |
| } |
| return new SkBigPicture::SnapshotArray(pics.detach(), count); |
| } |
| |
| void SkDrawableList::append(SkDrawable* drawable) { |
| *fArray.append() = SkRef(drawable); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| SkRecorder::SkRecorder(SkRecord* record, int width, int height, SkMiniRecorder* mr) |
| : SkCanvas(SkIRect::MakeWH(width, height), SkCanvas::kConservativeRasterClip_InitFlag) |
| , fDrawPictureMode(Record_DrawPictureMode) |
| , fApproxBytesUsedBySubPictures(0) |
| , fRecord(record) |
| , fMiniRecorder(mr) {} |
| |
| SkRecorder::SkRecorder(SkRecord* record, const SkRect& bounds, SkMiniRecorder* mr) |
| : SkCanvas(bounds.roundOut(), SkCanvas::kConservativeRasterClip_InitFlag) |
| , fDrawPictureMode(Record_DrawPictureMode) |
| , fApproxBytesUsedBySubPictures(0) |
| , fRecord(record) |
| , fMiniRecorder(mr) {} |
| |
| void SkRecorder::reset(SkRecord* record, const SkRect& bounds, |
| DrawPictureMode dpm, SkMiniRecorder* mr) { |
| this->forgetRecord(); |
| fDrawPictureMode = dpm; |
| fRecord = record; |
| this->resetForNextPicture(bounds.roundOut()); |
| fMiniRecorder = mr; |
| } |
| |
| void SkRecorder::forgetRecord() { |
| fDrawableList.reset(nullptr); |
| fApproxBytesUsedBySubPictures = 0; |
| fRecord = nullptr; |
| } |
| |
| // To make appending to fRecord a little less verbose. |
| #define APPEND(T, ...) \ |
| if (fMiniRecorder) { \ |
| this->flushMiniRecorder(); \ |
| } \ |
| new (fRecord->append<SkRecords::T>()) SkRecords::T{__VA_ARGS__} |
| |
| #define TRY_MINIRECORDER(method, ...) \ |
| if (fMiniRecorder && fMiniRecorder->method(__VA_ARGS__)) { return; } |
| |
| // For methods which must call back into SkCanvas. |
| #define INHERITED(method, ...) this->SkCanvas::method(__VA_ARGS__) |
| |
| // Use copy() only for optional arguments, to be copied if present or skipped if not. |
| // (For most types we just pass by value and let copy constructors do their thing.) |
| template <typename T> |
| T* SkRecorder::copy(const T* src) { |
| if (nullptr == src) { |
| return nullptr; |
| } |
| return new (fRecord->alloc<T>()) T(*src); |
| } |
| |
| // This copy() is for arrays. |
| // It will work with POD or non-POD, though currently we only use it for POD. |
| template <typename T> |
| T* SkRecorder::copy(const T src[], size_t count) { |
| if (nullptr == src) { |
| return nullptr; |
| } |
| T* dst = fRecord->alloc<T>(count); |
| for (size_t i = 0; i < count; i++) { |
| new (dst + i) T(src[i]); |
| } |
| return dst; |
| } |
| |
| // Specialization for copying strings, using memcpy. |
| // This measured around 2x faster for copying code points, |
| // but I found no corresponding speedup for other arrays. |
| template <> |
| char* SkRecorder::copy(const char src[], size_t count) { |
| if (nullptr == src) { |
| return nullptr; |
| } |
| char* dst = fRecord->alloc<char>(count); |
| memcpy(dst, src, count); |
| return dst; |
| } |
| |
| // As above, assuming and copying a terminating \0. |
| template <> |
| char* SkRecorder::copy(const char* src) { |
| return this->copy(src, strlen(src)+1); |
| } |
| |
| void SkRecorder::flushMiniRecorder() { |
| if (fMiniRecorder) { |
| SkMiniRecorder* mr = fMiniRecorder; |
| fMiniRecorder = nullptr; // Needs to happen before flushAndReset() or we recurse forever. |
| mr->flushAndReset(this); |
| } |
| } |
| |
| void SkRecorder::onDrawPaint(const SkPaint& paint) { |
| APPEND(DrawPaint, paint); |
| } |
| |
| void SkRecorder::onDrawPoints(PointMode mode, |
| size_t count, |
| const SkPoint pts[], |
| const SkPaint& paint) { |
| APPEND(DrawPoints, paint, mode, SkToUInt(count), this->copy(pts, count)); |
| } |
| |
| void SkRecorder::onDrawRect(const SkRect& rect, const SkPaint& paint) { |
| TRY_MINIRECORDER(drawRect, rect, paint); |
| APPEND(DrawRect, paint, rect); |
| } |
| |
| void SkRecorder::onDrawOval(const SkRect& oval, const SkPaint& paint) { |
| APPEND(DrawOval, paint, oval); |
| } |
| |
| void SkRecorder::onDrawRRect(const SkRRect& rrect, const SkPaint& paint) { |
| APPEND(DrawRRect, paint, rrect); |
| } |
| |
| void SkRecorder::onDrawDRRect(const SkRRect& outer, const SkRRect& inner, const SkPaint& paint) { |
| APPEND(DrawDRRect, paint, outer, inner); |
| } |
| |
| void SkRecorder::onDrawDrawable(SkDrawable* drawable, const SkMatrix* matrix) { |
| if (fDrawPictureMode == Record_DrawPictureMode) { |
| if (!fDrawableList) { |
| fDrawableList.reset(new SkDrawableList); |
| } |
| fDrawableList->append(drawable); |
| APPEND(DrawDrawable, this->copy(matrix), drawable->getBounds(), fDrawableList->count() - 1); |
| } else { |
| SkASSERT(fDrawPictureMode == Playback_DrawPictureMode); |
| drawable->draw(this, matrix); |
| } |
| } |
| |
| void SkRecorder::onDrawPath(const SkPath& path, const SkPaint& paint) { |
| TRY_MINIRECORDER(drawPath, path, paint); |
| APPEND(DrawPath, paint, path); |
| } |
| |
| void SkRecorder::onDrawBitmap(const SkBitmap& bitmap, |
| SkScalar left, |
| SkScalar top, |
| const SkPaint* paint) { |
| #ifdef WRAP_BITMAP_AS_IMAGE |
| SkAutoTUnref<SkImage> image(SkImage::NewFromBitmap(bitmap)); |
| if (image) { |
| this->onDrawImage(image, left, top, paint); |
| } |
| #else |
| APPEND(DrawBitmap, this->copy(paint), bitmap, left, top); |
| #endif |
| } |
| |
| void SkRecorder::onDrawBitmapRect(const SkBitmap& bitmap, |
| const SkRect* src, |
| const SkRect& dst, |
| const SkPaint* paint, |
| SrcRectConstraint constraint) { |
| #ifdef WRAP_BITMAP_AS_IMAGE |
| // TODO: need a way to support the flags for images... |
| SkAutoTUnref<SkImage> image(SkImage::NewFromBitmap(bitmap)); |
| if (image) { |
| this->onDrawImageRect(image, src, dst, paint); |
| } |
| #else |
| TRY_MINIRECORDER(drawBitmapRect, bitmap, src, dst, paint, constraint); |
| if (kFast_SrcRectConstraint == constraint) { |
| APPEND(DrawBitmapRectFast, this->copy(paint), bitmap, this->copy(src), dst); |
| return; |
| } |
| SkASSERT(kStrict_SrcRectConstraint == constraint); |
| APPEND(DrawBitmapRect, this->copy(paint), bitmap, this->copy(src), dst); |
| #endif |
| } |
| |
| void SkRecorder::onDrawBitmapNine(const SkBitmap& bitmap, |
| const SkIRect& center, |
| const SkRect& dst, |
| const SkPaint* paint) { |
| #ifdef WRAP_BITMAP_AS_IMAGE |
| SkAutoTUnref<SkImage> image(SkImage::NewFromBitmap(bitmap)); |
| if (image) { |
| this->onDrawImageNine(image, center, dst, paint); |
| } |
| #else |
| APPEND(DrawBitmapNine, this->copy(paint), bitmap, center, dst); |
| #endif |
| } |
| |
| void SkRecorder::onDrawImage(const SkImage* image, SkScalar left, SkScalar top, |
| const SkPaint* paint) { |
| APPEND(DrawImage, this->copy(paint), image, left, top); |
| } |
| |
| void SkRecorder::onDrawImageRect(const SkImage* image, const SkRect* src, const SkRect& dst, |
| const SkPaint* paint, SrcRectConstraint constraint) { |
| APPEND(DrawImageRect, this->copy(paint), image, this->copy(src), dst, constraint); |
| } |
| |
| void SkRecorder::onDrawImageNine(const SkImage* image, const SkIRect& center, |
| const SkRect& dst, const SkPaint* paint) { |
| APPEND(DrawImageNine, this->copy(paint), image, center, dst); |
| } |
| |
| void SkRecorder::onDrawText(const void* text, size_t byteLength, |
| SkScalar x, SkScalar y, const SkPaint& paint) { |
| APPEND(DrawText, |
| paint, this->copy((const char*)text, byteLength), byteLength, x, y); |
| } |
| |
| void SkRecorder::onDrawPosText(const void* text, size_t byteLength, |
| const SkPoint pos[], const SkPaint& paint) { |
| const int points = paint.countText(text, byteLength); |
| APPEND(DrawPosText, |
| paint, |
| this->copy((const char*)text, byteLength), |
| byteLength, |
| this->copy(pos, points)); |
| } |
| |
| void SkRecorder::onDrawPosTextH(const void* text, size_t byteLength, |
| const SkScalar xpos[], SkScalar constY, const SkPaint& paint) { |
| const int points = paint.countText(text, byteLength); |
| APPEND(DrawPosTextH, |
| paint, |
| this->copy((const char*)text, byteLength), |
| SkToUInt(byteLength), |
| constY, |
| this->copy(xpos, points)); |
| } |
| |
| void SkRecorder::onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path, |
| const SkMatrix* matrix, const SkPaint& paint) { |
| APPEND(DrawTextOnPath, |
| paint, |
| this->copy((const char*)text, byteLength), |
| byteLength, |
| path, |
| matrix ? *matrix : SkMatrix::I()); |
| } |
| |
| void SkRecorder::onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y, |
| const SkPaint& paint) { |
| TRY_MINIRECORDER(drawTextBlob, blob, x, y, paint); |
| APPEND(DrawTextBlob, paint, blob, x, y); |
| } |
| |
| void SkRecorder::onDrawPicture(const SkPicture* pic, const SkMatrix* matrix, const SkPaint* paint) { |
| if (fDrawPictureMode == Record_DrawPictureMode) { |
| fApproxBytesUsedBySubPictures += SkPictureUtils::ApproximateBytesUsed(pic); |
| APPEND(DrawPicture, this->copy(paint), pic, matrix ? *matrix : SkMatrix::I()); |
| } else { |
| SkASSERT(fDrawPictureMode == Playback_DrawPictureMode); |
| SkAutoCanvasMatrixPaint acmp(this, matrix, paint, pic->cullRect()); |
| pic->playback(this); |
| } |
| } |
| |
| void SkRecorder::onDrawVertices(VertexMode vmode, |
| int vertexCount, const SkPoint vertices[], |
| const SkPoint texs[], const SkColor colors[], |
| SkXfermode* xmode, |
| const uint16_t indices[], int indexCount, const SkPaint& paint) { |
| APPEND(DrawVertices, paint, |
| vmode, |
| vertexCount, |
| this->copy(vertices, vertexCount), |
| texs ? this->copy(texs, vertexCount) : nullptr, |
| colors ? this->copy(colors, vertexCount) : nullptr, |
| xmode, |
| this->copy(indices, indexCount), |
| indexCount); |
| } |
| |
| void SkRecorder::onDrawPatch(const SkPoint cubics[12], const SkColor colors[4], |
| const SkPoint texCoords[4], SkXfermode* xmode, const SkPaint& paint) { |
| APPEND(DrawPatch, paint, |
| cubics ? this->copy(cubics, SkPatchUtils::kNumCtrlPts) : nullptr, |
| colors ? this->copy(colors, SkPatchUtils::kNumCorners) : nullptr, |
| texCoords ? this->copy(texCoords, SkPatchUtils::kNumCorners) : nullptr, |
| xmode); |
| } |
| |
| void SkRecorder::onDrawAtlas(const SkImage* atlas, const SkRSXform xform[], const SkRect tex[], |
| const SkColor colors[], int count, SkXfermode::Mode mode, |
| const SkRect* cull, const SkPaint* paint) { |
| APPEND(DrawAtlas, this->copy(paint), |
| atlas, |
| this->copy(xform, count), |
| this->copy(tex, count), |
| this->copy(colors, count), |
| count, |
| mode, |
| this->copy(cull)); |
| } |
| |
| void SkRecorder::willSave() { |
| APPEND(Save); |
| } |
| |
| SkCanvas::SaveLayerStrategy SkRecorder::willSaveLayer(const SkRect* bounds, |
| const SkPaint* paint, |
| SkCanvas::SaveFlags flags) { |
| APPEND(SaveLayer, this->copy(bounds), this->copy(paint), flags); |
| return SkCanvas::kNoLayer_SaveLayerStrategy; |
| } |
| |
| void SkRecorder::didRestore() { |
| APPEND(Restore, this->devBounds(), this->getTotalMatrix()); |
| } |
| |
| void SkRecorder::didConcat(const SkMatrix& matrix) { |
| APPEND(Concat, matrix); |
| } |
| |
| void SkRecorder::didSetMatrix(const SkMatrix& matrix) { |
| APPEND(SetMatrix, matrix); |
| } |
| |
| void SkRecorder::onClipRect(const SkRect& rect, SkRegion::Op op, ClipEdgeStyle edgeStyle) { |
| INHERITED(onClipRect, rect, op, edgeStyle); |
| SkRecords::RegionOpAndAA opAA(op, kSoft_ClipEdgeStyle == edgeStyle); |
| APPEND(ClipRect, this->devBounds(), rect, opAA); |
| } |
| |
| void SkRecorder::onClipRRect(const SkRRect& rrect, SkRegion::Op op, ClipEdgeStyle edgeStyle) { |
| INHERITED(onClipRRect, rrect, op, edgeStyle); |
| SkRecords::RegionOpAndAA opAA(op, kSoft_ClipEdgeStyle == edgeStyle); |
| APPEND(ClipRRect, this->devBounds(), rrect, opAA); |
| } |
| |
| void SkRecorder::onClipPath(const SkPath& path, SkRegion::Op op, ClipEdgeStyle edgeStyle) { |
| INHERITED(onClipPath, path, op, edgeStyle); |
| SkRecords::RegionOpAndAA opAA(op, kSoft_ClipEdgeStyle == edgeStyle); |
| APPEND(ClipPath, this->devBounds(), path, opAA); |
| } |
| |
| void SkRecorder::onClipRegion(const SkRegion& deviceRgn, SkRegion::Op op) { |
| INHERITED(onClipRegion, deviceRgn, op); |
| APPEND(ClipRegion, this->devBounds(), deviceRgn, op); |
| } |
| |