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-rw-r--r--src/utils/SkDeferredCanvas.cpp586
1 files changed, 0 insertions, 586 deletions
diff --git a/src/utils/SkDeferredCanvas.cpp b/src/utils/SkDeferredCanvas.cpp
deleted file mode 100644
index a98d4b7387..0000000000
--- a/src/utils/SkDeferredCanvas.cpp
+++ /dev/null
@@ -1,586 +0,0 @@
-/*
- * Copyright 2016 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "SkDeferredCanvas.h"
-#include "SkDrawable.h"
-#include "SkPath.h"
-#include "SkRSXform.h"
-#include "SkRRect.h"
-#include "SkSurface.h"
-#include "SkTextBlob.h"
-#include "SkClipOpPriv.h"
-
-bool SkDeferredCanvas::Rec::isConcat(SkMatrix* m) const {
- switch (fType) {
- case kTrans_Type:
- m->setTranslate(fData.fTranslate.x(), fData.fTranslate.y());
- return true;
- case kScaleTrans_Type:
- m->setScaleTranslate(fData.fScaleTrans.fScale.x(),
- fData.fScaleTrans.fScale.y(),
- fData.fScaleTrans.fTrans.x(),
- fData.fScaleTrans.fTrans.y());
- return true;
- default:
- break;
- }
- return false;
-}
-
-void SkDeferredCanvas::Rec::setConcat(const SkMatrix& m) {
- SkASSERT(m.getType() <= (SkMatrix::kScale_Mask | SkMatrix::kTranslate_Mask));
-
- if (m.getType() <= SkMatrix::kTranslate_Mask) {
- fType = kTrans_Type;
- fData.fTranslate.set(m.getTranslateX(), m.getTranslateY());
- } else {
- fType = kScaleTrans_Type;
- fData.fScaleTrans.fScale.set(m.getScaleX(), m.getScaleY());
- fData.fScaleTrans.fTrans.set(m.getTranslateX(), m.getTranslateY());
- }
-}
-
-///////////////////////////////////////////////////////////////////////////////////////////////////
-
-SkDeferredCanvas::SkDeferredCanvas(SkCanvas* canvas, EvalType evalType)
- : INHERITED(canvas->getBaseLayerSize().width(), canvas->getBaseLayerSize().height())
- , fCanvas(nullptr) // must be here for reset to work.
- , fEvalType(evalType)
-{
- this->reset(canvas);
-}
-
-SkDeferredCanvas::~SkDeferredCanvas() {}
-
-void SkDeferredCanvas::reset(SkCanvas* canvas) {
- if (fCanvas) {
- this->flush();
- fCanvas = nullptr;
- }
- fRecs.reset();
- if (canvas) {
- this->resetCanvas(canvas->getBaseLayerSize().width(),
- canvas->getBaseLayerSize().height());
- fCanvas = canvas;
- }
-}
-
-void SkDeferredCanvas::push_save() {
- Rec* r = fRecs.append();
- r->fType = kSave_Type;
-}
-
-void SkDeferredCanvas::push_cliprect(const SkRect& bounds) {
- int index = fRecs.count() - 1;
- if (index >= 0 && fRecs[index].fType == kClipRect_Type) {
- if (!fRecs[index].fData.fBounds.intersect(bounds)) {
- fRecs[index].fData.fBounds.setEmpty();
- }
- } else {
- Rec* r = fRecs.append();
- r->fType = kClipRect_Type;
- r->fData.fBounds = bounds;
- }
-}
-
-bool SkDeferredCanvas::push_concat(const SkMatrix& mat) {
- if (mat.getType() > (SkMatrix::kScale_Mask | SkMatrix::kTranslate_Mask)) {
- return false;
- }
- // At the moment, we don't know which ops can scale and which can also flip, so
- // we reject negative scales for now
- if (mat.getScaleX() < 0 || mat.getScaleY() < 0) {
- return false;
- }
-
- int index = fRecs.count() - 1;
- SkMatrix m;
- if (index >= 0 && fRecs[index].isConcat(&m)) {
- m.preConcat(mat);
- fRecs[index].setConcat(m);
- } else {
- fRecs.append()->setConcat(mat);
- }
- return true;
-}
-
-void SkDeferredCanvas::emit(const Rec& rec) {
- switch (rec.fType) {
- case kSave_Type:
- fCanvas->save();
- this->INHERITED::willSave();
- break;
- case kClipRect_Type:
- fCanvas->clipRect(rec.fData.fBounds);
- this->INHERITED::onClipRect(rec.fData.fBounds,
- kIntersect_SkClipOp, kHard_ClipEdgeStyle);
- break;
- case kTrans_Type:
- case kScaleTrans_Type: {
- SkMatrix mat;
- rec.getConcat(&mat);
- fCanvas->concat(mat);
- this->INHERITED::didConcat(mat);
- } break;
- }
-}
-
-void SkDeferredCanvas::flush_le(int index) {
- SkASSERT(index >= -1 && index < fRecs.count());
-
- int count = index + 1;
- for (int i = 0; i < count; ++i) {
- this->emit(fRecs[i]);
- }
- fRecs.remove(0, count);
-}
-
-void SkDeferredCanvas::flush_all() {
- this->flush_le(fRecs.count() - 1);
-}
-
-void SkDeferredCanvas::flush_before_saves() {
- int i;
- for (i = fRecs.count() - 1; i >= 0; --i) {
- if (kSave_Type != fRecs[i].fType) {
- break;
- }
- }
- this->flush_le(i);
-}
-
-enum Flags {
- kNoTranslate_Flag = 1 << 0,
- kNoClip_Flag = 1 << 1,
- kNoCull_Flag = 1 << 2,
- kNoScale_Flag = 1 << 3,
-};
-
-void SkDeferredCanvas::flush_check(SkRect* bounds, const SkPaint* paint, unsigned flags) {
- if (paint) {
- if (paint->getShader() || paint->getImageFilter()) {
- flags |= kNoTranslate_Flag | kNoScale_Flag;
- }
- // TODO: replace these with code to enlarge the bounds conservatively?
- if (paint->getStyle() != SkPaint::kFill_Style || paint->getMaskFilter() ||
- paint->getImageFilter() || paint->getPathEffect())
- {
- flags |= kNoCull_Flag | kNoScale_Flag | kNoClip_Flag;
- }
- if (paint->getLooper()) {
- // to be conservative, we disable both, since embedded layers could have shaders
- // or strokes etc.
- flags |= kNoTranslate_Flag | kNoCull_Flag | kNoScale_Flag;
- }
- }
- bool canClip = !(flags & kNoClip_Flag);
- bool canTranslate = !(flags & kNoTranslate_Flag);
- bool canCull = !(flags & kNoCull_Flag);
- bool canScale = !(flags & kNoScale_Flag);
-
- int i;
- for (i = fRecs.count() - 1; i >= 0; --i) {
- const Rec& rec = fRecs[i];
- switch (rec.fType) {
- case kSave_Type:
- // continue to the next rec
- break;
- case kClipRect_Type:
- if (!canCull) {
- goto STOP;
- }
- if (canClip) {
- if (!bounds->intersect(rec.fData.fBounds)) {
- bounds->setEmpty();
- return;
- }
- // continue to the next rec
- } else {
- if (!rec.fData.fBounds.contains(*bounds)) {
- goto STOP;
- }
- // continue to the next rec
- }
- break;
- case kTrans_Type:
- if (canTranslate) {
- bounds->offset(rec.fData.fTranslate.x(), rec.fData.fTranslate.y());
- // continue to the next rec
- } else {
- goto STOP;
- }
- break;
- case kScaleTrans_Type:
- if (canScale) {
- SkMatrix m;
- rec.getConcat(&m);
- m.mapRectScaleTranslate(bounds, *bounds);
- } else {
- goto STOP;
- }
- break;
- }
- }
-STOP:
- this->flush_le(i);
-}
-
-void SkDeferredCanvas::flush_translate(SkScalar* x, SkScalar* y, const SkRect& bounds,
- const SkPaint* paint) {
- SkRect tmp = bounds;
- this->flush_check(&tmp, paint, kNoClip_Flag | kNoScale_Flag);
- *x += tmp.x() - bounds.x();
- *y += tmp.y() - bounds.y();
-}
-
-void SkDeferredCanvas::flush_translate(SkScalar* x, SkScalar* y, const SkPaint& paint) {
- SkRect tmp = SkRect::MakeXYWH(*x, *y, 1, 1);
- this->flush_check(&tmp, &paint, kNoClip_Flag | kNoCull_Flag | kNoScale_Flag);
- *x = tmp.x();
- *y = tmp.y();
-}
-
-///////////////////////////////////////////////////////////////////////////////////////////////////
-
-void SkDeferredCanvas::willSave() {
- this->push_save();
-}
-
-SkCanvas::SaveLayerStrategy SkDeferredCanvas::getSaveLayerStrategy(const SaveLayerRec& rec) {
- this->flush_all();
- fCanvas->saveLayer(rec);
- this->INHERITED::getSaveLayerStrategy(rec);
- // No need for a layer.
- return kNoLayer_SaveLayerStrategy;
-}
-
-void SkDeferredCanvas::willRestore() {
- for (int i = fRecs.count() - 1; i >= 0; --i) {
- if (kSave_Type == fRecs[i].fType) {
- fRecs.setCount(i); // pop off everything here and later
- return;
- }
- }
- for (int i = 0; i < fRecs.count(); ++i) {
- SkASSERT(kSave_Type != fRecs[i].fType);
- }
- fRecs.setCount(0);
- fCanvas->restore();
- this->INHERITED::willRestore();
-}
-
-void SkDeferredCanvas::didConcat(const SkMatrix& matrix) {
- if (matrix.isIdentity()) {
- return;
- }
- if (!this->push_concat(matrix)) {
- this->flush_all();
- fCanvas->concat(matrix);
- this->INHERITED::didConcat(matrix);
- }
-}
-
-void SkDeferredCanvas::didSetMatrix(const SkMatrix& matrix) {
- this->flush_all();
- fCanvas->setMatrix(matrix);
- this->INHERITED::didSetMatrix(matrix);
-}
-
-void SkDeferredCanvas::onClipRect(const SkRect& rect, SkClipOp op, ClipEdgeStyle edgeStyle) {
- if (kIntersect_SkClipOp == op) {
- this->push_cliprect(rect);
- } else {
- this->flush_all();
- fCanvas->clipRect(rect, op, kSoft_ClipEdgeStyle == edgeStyle);
- this->INHERITED::onClipRect(rect, op, edgeStyle);
- }
-}
-
-void SkDeferredCanvas::onClipRRect(const SkRRect& rrect, SkClipOp op, ClipEdgeStyle edgeStyle) {
- this->flush_all();
- fCanvas->clipRRect(rrect, op, kSoft_ClipEdgeStyle == edgeStyle);
- this->INHERITED::onClipRRect(rrect, op, edgeStyle);
-}
-
-void SkDeferredCanvas::onClipPath(const SkPath& path, SkClipOp op, ClipEdgeStyle edgeStyle) {
- this->flush_all();
- fCanvas->clipPath(path, op, kSoft_ClipEdgeStyle == edgeStyle);
- this->INHERITED::onClipPath(path, op, edgeStyle);
-}
-
-void SkDeferredCanvas::onClipRegion(const SkRegion& deviceRgn, SkClipOp op) {
- this->flush_all();
- fCanvas->clipRegion(deviceRgn, op);
- this->INHERITED::onClipRegion(deviceRgn, op);
-}
-
-void SkDeferredCanvas::onDrawPaint(const SkPaint& paint) {
- // TODO: Can we turn this into drawRect?
- this->flush_all();
- fCanvas->drawPaint(paint);
-}
-
-void SkDeferredCanvas::onDrawPoints(PointMode mode, size_t count, const SkPoint pts[],
- const SkPaint& paint) {
- this->flush_all();
- fCanvas->drawPoints(mode, count, pts, paint);
-}
-
-void SkDeferredCanvas::onDrawRect(const SkRect& rect, const SkPaint& paint) {
- SkRect modRect = rect;
- this->flush_check(&modRect, &paint);
- fCanvas->drawRect(modRect, paint);
-}
-
-void SkDeferredCanvas::onDrawRegion(const SkRegion& region, const SkPaint& paint) {
- this->flush_all(); // can we do better?
- fCanvas->drawRegion(region, paint);
-}
-
-void SkDeferredCanvas::onDrawOval(const SkRect& rect, const SkPaint& paint) {
- SkRect modRect = rect;
- this->flush_check(&modRect, &paint, kNoClip_Flag);
- fCanvas->drawOval(modRect, paint);
-}
-
-void SkDeferredCanvas::onDrawArc(const SkRect& rect, SkScalar startAngle, SkScalar sweepAngle,
- bool useCenter, const SkPaint& paint) {
- SkRect modRect = rect;
- this->flush_check(&modRect, &paint, kNoClip_Flag);
- fCanvas->drawArc(modRect, startAngle, sweepAngle, useCenter, paint);
-}
-
-static SkRRect make_offset(const SkRRect& src, SkScalar dx, SkScalar dy) {
- SkRRect dst = src;
- dst.offset(dx, dy);
- return dst;
-}
-
-void SkDeferredCanvas::onDrawRRect(const SkRRect& rrect, const SkPaint& paint) {
- SkRect modRect = rrect.getBounds();
- this->flush_check(&modRect, &paint, kNoClip_Flag);
- fCanvas->drawRRect(make_offset(rrect,
- modRect.x() - rrect.getBounds().x(),
- modRect.y() - rrect.getBounds().y()), paint);
-}
-
-void SkDeferredCanvas::onDrawDRRect(const SkRRect& outer, const SkRRect& inner, const SkPaint& paint) {
- this->flush_all();
- fCanvas->drawDRRect(outer, inner, paint);
-}
-
-void SkDeferredCanvas::onDrawPath(const SkPath& path, const SkPaint& paint) {
- if (path.isInverseFillType()) {
- this->flush_before_saves();
- } else {
- SkRect modRect = path.getBounds();
- this->flush_check(&modRect, &paint, kNoClip_Flag | kNoTranslate_Flag | kNoScale_Flag);
- }
- fCanvas->drawPath(path, paint);
-}
-
-void SkDeferredCanvas::onDrawBitmap(const SkBitmap& bitmap, SkScalar x, SkScalar y,
- const SkPaint* paint) {
- const SkScalar w = SkIntToScalar(bitmap.width());
- const SkScalar h = SkIntToScalar(bitmap.height());
- SkRect bounds = SkRect::MakeXYWH(x, y, w, h);
- this->flush_check(&bounds, paint, kNoClip_Flag);
- if (bounds.width() == w && bounds.height() == h) {
- fCanvas->drawBitmap(bitmap, bounds.x(), bounds.y(), paint);
- } else {
- fCanvas->drawBitmapRect(bitmap, bounds, paint);
- }
-}
-
-void SkDeferredCanvas::onDrawBitmapRect(const SkBitmap& bitmap, const SkRect* src, const SkRect& dst,
- const SkPaint* paint, SrcRectConstraint constraint) {
- SkRect modRect = dst;
- this->flush_check(&modRect, paint, kNoClip_Flag);
- fCanvas->legacy_drawBitmapRect(bitmap, src, modRect, paint, constraint);
-}
-
-void SkDeferredCanvas::onDrawBitmapNine(const SkBitmap& bitmap, const SkIRect& center,
- const SkRect& dst, const SkPaint* paint) {
- SkRect modRect = dst;
- this->flush_check(&modRect, paint, kNoClip_Flag);
- fCanvas->drawBitmapNine(bitmap, center, modRect, paint);
-}
-
-void SkDeferredCanvas::onDrawBitmapLattice(const SkBitmap& bitmap, const Lattice& lattice,
- const SkRect& dst, const SkPaint* paint) {
- SkRect modRect = dst;
- this->flush_check(&modRect, paint, kNoClip_Flag);
- fCanvas->drawBitmapLattice(bitmap, lattice, modRect, paint);
-}
-
-void SkDeferredCanvas::onDrawImageNine(const SkImage* image, const SkIRect& center,
- const SkRect& dst, const SkPaint* paint) {
- SkRect modRect = dst;
- this->flush_check(&modRect, paint, kNoClip_Flag);
- fCanvas->drawImageNine(image, center, modRect, paint);
-}
-
-void SkDeferredCanvas::onDrawImage(const SkImage* image, SkScalar x, SkScalar y,
- const SkPaint* paint) {
- const SkScalar w = SkIntToScalar(image->width());
- const SkScalar h = SkIntToScalar(image->height());
- SkRect bounds = SkRect::MakeXYWH(x, y, w, h);
- this->flush_check(&bounds, paint, kNoClip_Flag);
- if (bounds.width() == w && bounds.height() == h) {
- fCanvas->drawImage(image, bounds.x(), bounds.y(), paint);
- } else {
- fCanvas->drawImageRect(image, bounds, paint);
- }
-}
-
-void SkDeferredCanvas::onDrawImageRect(const SkImage* image, const SkRect* src, const SkRect& dst,
- const SkPaint* paint, SrcRectConstraint constraint) {
- SkRect modRect = dst;
- this->flush_check(&modRect, paint, kNoClip_Flag);
- fCanvas->legacy_drawImageRect(image, src, modRect, paint, constraint);
-}
-
-void SkDeferredCanvas::onDrawImageLattice(const SkImage* image, const Lattice& lattice,
- const SkRect& dst, const SkPaint* paint) {
- SkRect modRect = dst;
- this->flush_check(&modRect, paint, kNoClip_Flag);
- fCanvas->drawImageLattice(image, lattice, modRect, paint);
-}
-
-void SkDeferredCanvas::onDrawText(const void* text, size_t byteLength, SkScalar x, SkScalar y,
- const SkPaint& paint) {
- this->flush_translate(&x, &y, paint);
- fCanvas->drawText(text, byteLength, x, y, paint);
-}
-
-void SkDeferredCanvas::onDrawPosText(const void* text, size_t byteLength, const SkPoint pos[],
- const SkPaint& paint) {
- this->flush_before_saves();
- fCanvas->drawPosText(text, byteLength, pos, paint);
-}
-
-void SkDeferredCanvas::onDrawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[],
- SkScalar constY, const SkPaint& paint) {
- this->flush_before_saves();
- fCanvas->drawPosTextH(text, byteLength, xpos, constY, paint);
-}
-
-void SkDeferredCanvas::onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path,
- const SkMatrix* matrix, const SkPaint& paint) {
- this->flush_before_saves();
- fCanvas->drawTextOnPath(text, byteLength, path, matrix, paint);
-}
-
-void SkDeferredCanvas::onDrawTextRSXform(const void* text, size_t byteLength,
- const SkRSXform xform[], const SkRect* cullRect,
- const SkPaint& paint) {
- if (cullRect) {
- SkRect modRect = *cullRect;
- // only allow culling
- this->flush_check(&modRect, &paint, kNoClip_Flag | kNoScale_Flag | kNoTranslate_Flag);
- } else {
- this->flush_before_saves();
- }
- fCanvas->drawTextRSXform(text, byteLength, xform, cullRect, paint);
-}
-
-void SkDeferredCanvas::onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
- const SkPaint &paint) {
- this->flush_translate(&x, &y, blob->bounds(), &paint);
- fCanvas->drawTextBlob(blob, x, y, paint);
-}
-
-#include "SkPicture.h"
-#include "SkCanvasPriv.h"
-void SkDeferredCanvas::onDrawPicture(const SkPicture* picture, const SkMatrix* matrix,
- const SkPaint* paint) {
- if (kEager == fEvalType) {
- SkAutoCanvasMatrixPaint acmp(this, matrix, paint, picture->cullRect());
- picture->playback(this);
- } else {
- this->flush_before_saves();
- fCanvas->drawPicture(picture, matrix, paint);
- }
-}
-
-void SkDeferredCanvas::onDrawDrawable(SkDrawable* drawable, const SkMatrix* matrix) {
- if (kEager == fEvalType) {
- // TODO: investigate culling and applying concat to the matrix
- drawable->draw(this, matrix);
- } else {
- this->flush_before_saves();
- fCanvas->drawDrawable(drawable, matrix);
- }
-}
-
-void SkDeferredCanvas::onDrawAtlas(const SkImage* image, const SkRSXform xform[],
- const SkRect rects[], const SkColor colors[],
- int count, SkBlendMode bmode,
- const SkRect* cull, const SkPaint* paint) {
- this->flush_before_saves();
- fCanvas->drawAtlas(image, xform, rects, colors, count, bmode, cull, paint);
-}
-
-void SkDeferredCanvas::onDrawVerticesObject(const SkVertices* vertices, SkBlendMode bmode,
- const SkPaint& paint) {
- this->flush_before_saves();
- fCanvas->drawVertices(vertices, bmode, paint);
-}
-
-void SkDeferredCanvas::onDrawPatch(const SkPoint cubics[12], const SkColor colors[4],
- const SkPoint texCoords[4], SkBlendMode bmode,
- const SkPaint& paint) {
- this->flush_before_saves();
- fCanvas->drawPatch(cubics, colors, texCoords, bmode, paint);
-}
-
-void SkDeferredCanvas::onDrawAnnotation(const SkRect& rect, const char key[], SkData* data) {
- SkRect modRect = rect;
- this->flush_check(&modRect, nullptr, kNoClip_Flag);
- fCanvas->drawAnnotation(modRect, key, data);
-}
-
-#ifdef SK_SUPPORT_LEGACY_DRAWFILTER
-SkDrawFilter* SkDeferredCanvas::setDrawFilter(SkDrawFilter* filter) {
- fCanvas->setDrawFilter(filter);
- return this->INHERITED::setDrawFilter(filter);
-}
-#endif
-
-///////////////////////////////////////////////////////////////////////////////////////////////////
-
-sk_sp<SkSurface> SkDeferredCanvas::onNewSurface(const SkImageInfo& info,
- const SkSurfaceProps& props) {
- return fCanvas->makeSurface(info, &props);
-}
-SkISize SkDeferredCanvas::getBaseLayerSize() const { return fCanvas->getBaseLayerSize(); }
-SkRect SkDeferredCanvas::onGetLocalClipBounds() const {
- return fCanvas->getLocalClipBounds();
-}
-SkIRect SkDeferredCanvas::onGetDeviceClipBounds() const {
- return fCanvas->getDeviceClipBounds();
-}
-bool SkDeferredCanvas::isClipEmpty() const { return fCanvas->isClipEmpty(); }
-bool SkDeferredCanvas::isClipRect() const { return fCanvas->isClipRect(); }
-bool SkDeferredCanvas::onPeekPixels(SkPixmap* pixmap) { return fCanvas->peekPixels(pixmap); }
-bool SkDeferredCanvas::onAccessTopLayerPixels(SkPixmap* pixmap) {
- SkImageInfo info;
- size_t rowBytes;
- SkIPoint* origin = nullptr;
- void* addr = fCanvas->accessTopLayerPixels(&info, &rowBytes, origin);
- if (addr) {
- *pixmap = SkPixmap(info, addr, rowBytes);
- return true;
- }
- return false;
-}
-SkImageInfo SkDeferredCanvas::onImageInfo() const { return fCanvas->imageInfo(); }
-bool SkDeferredCanvas::onGetProps(SkSurfaceProps* props) const { return fCanvas->getProps(props); }
-void SkDeferredCanvas::onFlush() {
- this->flush_all();
- return fCanvas->flush();
-}
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