blob: ff5c27d7e5a6be0fe02f2e343112278c85bb0e0e [file] [log] [blame]
/*
* 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"
#include "SkSurface.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.release(), 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::onDrawAnnotation(const SkRect& rect, const char key[], SkData* value) {
APPEND(DrawAnnotation, rect, SkString(key), value);
}
void SkRecorder::willSave() {
APPEND(Save);
}
SkCanvas::SaveLayerStrategy SkRecorder::getSaveLayerStrategy(const SaveLayerRec& rec) {
APPEND(SaveLayer,
this->copy(rec.fBounds), this->copy(rec.fPaint), rec.fBackdrop, rec.fSaveLayerFlags);
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);
}
sk_sp<SkSurface> SkRecorder::onNewSurface(const SkImageInfo&, const SkSurfaceProps&) {
return nullptr;
}