| |
| /* |
| * Copyright 2011 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| #include "SkPictureRecord.h" |
| #include "SkTSearch.h" |
| #include "SkPixelRef.h" |
| #include "SkRRect.h" |
| #include "SkBBoxHierarchy.h" |
| #include "SkPictureStateTree.h" |
| |
| #define MIN_WRITER_SIZE 16384 |
| #define HEAP_BLOCK_SIZE 4096 |
| |
| enum { |
| // just need a value that save or getSaveCount would never return |
| kNoInitialSave = -1, |
| }; |
| |
| SkPictureRecord::SkPictureRecord(uint32_t flags, SkDevice* device) : |
| INHERITED(device), |
| fBoundingHierarchy(NULL), |
| fStateTree(NULL), |
| fFlattenableHeap(HEAP_BLOCK_SIZE), |
| fMatrices(&fFlattenableHeap), |
| fPaints(&fFlattenableHeap), |
| fRegions(&fFlattenableHeap), |
| fWriter(MIN_WRITER_SIZE), |
| fRecordFlags(flags) { |
| #ifdef SK_DEBUG_SIZE |
| fPointBytes = fRectBytes = fTextBytes = 0; |
| fPointWrites = fRectWrites = fTextWrites = 0; |
| #endif |
| |
| fRestoreOffsetStack.setReserve(32); |
| |
| fBitmapHeap = SkNEW(SkBitmapHeap); |
| fFlattenableHeap.setBitmapStorage(fBitmapHeap); |
| fPathHeap = NULL; // lazy allocate |
| fFirstSavedLayerIndex = kNoSavedLayerIndex; |
| |
| fInitialSaveCount = kNoInitialSave; |
| } |
| |
| SkPictureRecord::~SkPictureRecord() { |
| SkSafeUnref(fBitmapHeap); |
| SkSafeUnref(fPathHeap); |
| SkSafeUnref(fBoundingHierarchy); |
| SkSafeUnref(fStateTree); |
| fFlattenableHeap.setBitmapStorage(NULL); |
| fPictureRefs.unrefAll(); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| SkDevice* SkPictureRecord::setDevice(SkDevice* device) { |
| SkASSERT(!"eeek, don't try to change the device on a recording canvas"); |
| return this->INHERITED::setDevice(device); |
| } |
| |
| int SkPictureRecord::save(SaveFlags flags) { |
| // record the offset to us, making it non-positive to distinguish a save |
| // from a clip entry. |
| fRestoreOffsetStack.push(-(int32_t)fWriter.size()); |
| |
| addDraw(SAVE); |
| addInt(flags); |
| |
| validate(); |
| return this->INHERITED::save(flags); |
| } |
| |
| int SkPictureRecord::saveLayer(const SkRect* bounds, const SkPaint* paint, |
| SaveFlags flags) { |
| // record the offset to us, making it non-positive to distinguish a save |
| // from a clip entry. |
| fRestoreOffsetStack.push(-(int32_t)fWriter.size()); |
| |
| addDraw(SAVE_LAYER); |
| addRectPtr(bounds); |
| addPaintPtr(paint); |
| addInt(flags); |
| |
| if (kNoSavedLayerIndex == fFirstSavedLayerIndex) { |
| fFirstSavedLayerIndex = fRestoreOffsetStack.count(); |
| } |
| |
| validate(); |
| /* Don't actually call saveLayer, because that will try to allocate an |
| offscreen device (potentially very big) which we don't actually need |
| at this time (and may not be able to afford since during record our |
| clip starts out the size of the picture, which is often much larger |
| than the size of the actual device we'll use during playback). |
| */ |
| int count = this->INHERITED::save(flags); |
| this->clipRectBounds(bounds, flags, NULL); |
| return count; |
| } |
| |
| bool SkPictureRecord::isDrawingToLayer() const { |
| return fFirstSavedLayerIndex != kNoSavedLayerIndex; |
| } |
| |
| // Return the size of the specified drawType's recorded block, or 0 if this verb |
| // is variable sized, and therefore not known. |
| static inline uint32_t getSkipableSize(unsigned drawType) { |
| static const uint8_t gSizes[LAST_DRAWTYPE_ENUM + 1] = { |
| 0, // UNUSED, |
| 4, // CLIP_PATH, |
| 4, // CLIP_REGION, |
| 7, // CLIP_RECT, |
| 15, // CLIP_RRECT, |
| 2, // CONCAT, |
| 0, // DRAW_BITMAP, |
| 0, // DRAW_BITMAP_MATRIX, |
| 0, // DRAW_BITMAP_NINE, |
| 0, // DRAW_BITMAP_RECT, |
| 0, // DRAW_CLEAR, |
| 0, // DRAW_DATA, |
| 0, // DRAW_OVAL, |
| 0, // DRAW_PAINT, |
| 0, // DRAW_PATH, |
| 0, // DRAW_PICTURE, |
| 0, // DRAW_POINTS, |
| 0, // DRAW_POS_TEXT, |
| 0, // DRAW_POS_TEXT_TOP_BOTTOM, // fast variant of DRAW_POS_TEXT |
| 0, // DRAW_POS_TEXT_H, |
| 0, // DRAW_POS_TEXT_H_TOP_BOTTOM, // fast variant of DRAW_POS_TEXT_H |
| 0, // DRAW_RECT, |
| 0, // DRAW_RRECT, |
| 0, // DRAW_SPRITE, |
| 0, // DRAW_TEXT, |
| 0, // DRAW_TEXT_ON_PATH, |
| 0, // DRAW_TEXT_TOP_BOTTOM, // fast variant of DRAW_TEXT |
| 0, // DRAW_VERTICES, |
| 0, // RESTORE, |
| 2, // ROTATE, |
| 2, // SAVE, |
| 0, // SAVE_LAYER, |
| 3, // SCALE, |
| 2, // SET_MATRIX, |
| 3, // SKEW, |
| 3, // TRANSLATE, |
| }; |
| |
| SkASSERT(sizeof(gSizes) == LAST_DRAWTYPE_ENUM + 1); |
| SkASSERT((unsigned)drawType <= (unsigned)LAST_DRAWTYPE_ENUM); |
| return gSizes[drawType] * sizeof(uint32_t); |
| } |
| |
| #ifdef TRACK_COLLAPSE_STATS |
| static int gCollapseCount, gCollapseCalls; |
| #endif |
| |
| /* |
| * Restore has just been called (but not recoreded), so look back at the |
| * matching save(), and see if we can eliminate the pair of them, due to no |
| * intervening matrix/clip calls. |
| * |
| * If so, update the writer and return true, in which case we won't even record |
| * the restore() call. If we still need the restore(), return false. |
| */ |
| static bool collapseSaveClipRestore(SkWriter32* writer, int32_t offset) { |
| #ifdef TRACK_COLLAPSE_STATS |
| gCollapseCalls += 1; |
| #endif |
| |
| int32_t restoreOffset = (int32_t)writer->size(); |
| |
| // back up to the save block |
| while (offset > 0) { |
| offset = *writer->peek32(offset); |
| } |
| |
| // now offset points to a save |
| offset = -offset; |
| if (SAVE_LAYER == *writer->peek32(offset)) { |
| // not ready to cull these out yet (mrr) |
| return false; |
| } |
| SkASSERT(SAVE == *writer->peek32(offset)); |
| |
| // Walk forward until we get back to either a draw-verb (abort) or we hit |
| // our restore (success). |
| int32_t saveOffset = offset; |
| |
| offset += getSkipableSize(SAVE); |
| while (offset < restoreOffset) { |
| uint32_t* block = writer->peek32(offset); |
| uint32_t op = *block; |
| uint32_t opSize = getSkipableSize(op); |
| if (0 == opSize) { |
| // drawing verb, abort |
| return false; |
| } |
| offset += opSize; |
| } |
| |
| #ifdef TRACK_COLLAPSE_STATS |
| gCollapseCount += 1; |
| SkDebugf("Collapse [%d out of %d] %g%spn", gCollapseCount, gCollapseCalls, |
| (double)gCollapseCount / gCollapseCalls, "%"); |
| #endif |
| |
| writer->rewindToOffset(saveOffset); |
| return true; |
| } |
| |
| void SkPictureRecord::restore() { |
| // FIXME: SkDeferredCanvas needs to be refactored to respect |
| // save/restore balancing so that the following test can be |
| // turned on permanently. |
| #if 0 |
| SkASSERT(fRestoreOffsetStack.count() > 1); |
| #endif |
| |
| // check for underflow |
| if (fRestoreOffsetStack.count() == 0) { |
| return; |
| } |
| |
| if (fRestoreOffsetStack.count() == fFirstSavedLayerIndex) { |
| fFirstSavedLayerIndex = kNoSavedLayerIndex; |
| } |
| |
| if (!collapseSaveClipRestore(&fWriter, fRestoreOffsetStack.top())) { |
| fillRestoreOffsetPlaceholdersForCurrentStackLevel((uint32_t)fWriter.size()); |
| this->addDraw(RESTORE); |
| } |
| |
| fRestoreOffsetStack.pop(); |
| |
| validate(); |
| return this->INHERITED::restore(); |
| } |
| |
| bool SkPictureRecord::translate(SkScalar dx, SkScalar dy) { |
| addDraw(TRANSLATE); |
| addScalar(dx); |
| addScalar(dy); |
| validate(); |
| return this->INHERITED::translate(dx, dy); |
| } |
| |
| bool SkPictureRecord::scale(SkScalar sx, SkScalar sy) { |
| addDraw(SCALE); |
| addScalar(sx); |
| addScalar(sy); |
| validate(); |
| return this->INHERITED::scale(sx, sy); |
| } |
| |
| bool SkPictureRecord::rotate(SkScalar degrees) { |
| addDraw(ROTATE); |
| addScalar(degrees); |
| validate(); |
| return this->INHERITED::rotate(degrees); |
| } |
| |
| bool SkPictureRecord::skew(SkScalar sx, SkScalar sy) { |
| addDraw(SKEW); |
| addScalar(sx); |
| addScalar(sy); |
| validate(); |
| return this->INHERITED::skew(sx, sy); |
| } |
| |
| bool SkPictureRecord::concat(const SkMatrix& matrix) { |
| validate(); |
| addDraw(CONCAT); |
| addMatrix(matrix); |
| validate(); |
| return this->INHERITED::concat(matrix); |
| } |
| |
| void SkPictureRecord::setMatrix(const SkMatrix& matrix) { |
| validate(); |
| addDraw(SET_MATRIX); |
| addMatrix(matrix); |
| validate(); |
| this->INHERITED::setMatrix(matrix); |
| } |
| |
| static bool regionOpExpands(SkRegion::Op op) { |
| switch (op) { |
| case SkRegion::kUnion_Op: |
| case SkRegion::kXOR_Op: |
| case SkRegion::kReverseDifference_Op: |
| case SkRegion::kReplace_Op: |
| return true; |
| case SkRegion::kIntersect_Op: |
| case SkRegion::kDifference_Op: |
| return false; |
| default: |
| SkDEBUGFAIL("unknown region op"); |
| return false; |
| } |
| } |
| |
| void SkPictureRecord::fillRestoreOffsetPlaceholdersForCurrentStackLevel( |
| uint32_t restoreOffset) { |
| int32_t offset = fRestoreOffsetStack.top(); |
| while (offset > 0) { |
| uint32_t* peek = fWriter.peek32(offset); |
| offset = *peek; |
| *peek = restoreOffset; |
| } |
| |
| #ifdef SK_DEBUG |
| // assert that the final offset value points to a save verb |
| uint32_t drawOp = *fWriter.peek32(-offset); |
| SkASSERT(SAVE == drawOp || SAVE_LAYER == drawOp); |
| #endif |
| } |
| |
| void SkPictureRecord::beginRecording() { |
| // we have to call this *after* our constructor, to ensure that it gets |
| // recorded. This is balanced by restoreToCount() call from endRecording, |
| // which in-turn calls our overridden restore(), so those get recorded too. |
| fInitialSaveCount = this->save(kMatrixClip_SaveFlag); |
| } |
| |
| void SkPictureRecord::endRecording() { |
| SkASSERT(kNoInitialSave != fInitialSaveCount); |
| this->restoreToCount(fInitialSaveCount); |
| } |
| |
| void SkPictureRecord::recordRestoreOffsetPlaceholder(SkRegion::Op op) { |
| if (fRestoreOffsetStack.isEmpty()) { |
| return; |
| } |
| |
| if (regionOpExpands(op)) { |
| // Run back through any previous clip ops, and mark their offset to |
| // be 0, disabling their ability to trigger a jump-to-restore, otherwise |
| // they could hide this clips ability to expand the clip (i.e. go from |
| // empty to non-empty). |
| fillRestoreOffsetPlaceholdersForCurrentStackLevel(0); |
| } |
| |
| size_t offset = fWriter.size(); |
| // The RestoreOffset field is initially filled with a placeholder |
| // value that points to the offset of the previous RestoreOffset |
| // in the current stack level, thus forming a linked list so that |
| // the restore offsets can be filled in when the corresponding |
| // restore command is recorded. |
| addInt(fRestoreOffsetStack.top()); |
| fRestoreOffsetStack.top() = offset; |
| } |
| |
| bool SkPictureRecord::clipRect(const SkRect& rect, SkRegion::Op op, bool doAA) { |
| addDraw(CLIP_RECT); |
| addRect(rect); |
| addInt(ClipParams_pack(op, doAA)); |
| recordRestoreOffsetPlaceholder(op); |
| |
| validate(); |
| return this->INHERITED::clipRect(rect, op, doAA); |
| } |
| |
| bool SkPictureRecord::clipRRect(const SkRRect& rrect, SkRegion::Op op, bool doAA) { |
| if (rrect.isRect()) { |
| return this->SkPictureRecord::clipRect(rrect.getBounds(), op, doAA); |
| } |
| |
| addDraw(CLIP_RRECT); |
| addRRect(rrect); |
| addInt(ClipParams_pack(op, doAA)); |
| recordRestoreOffsetPlaceholder(op); |
| |
| validate(); |
| |
| if (fRecordFlags & SkPicture::kUsePathBoundsForClip_RecordingFlag) { |
| return this->INHERITED::clipRect(rrect.getBounds(), op, doAA); |
| } else { |
| return this->INHERITED::clipRRect(rrect, op, doAA); |
| } |
| } |
| |
| bool SkPictureRecord::clipPath(const SkPath& path, SkRegion::Op op, bool doAA) { |
| |
| SkRect r; |
| if (!path.isInverseFillType() && path.isRect(&r)) { |
| return this->clipRect(r, op, doAA); |
| } |
| |
| addDraw(CLIP_PATH); |
| addPath(path); |
| addInt(ClipParams_pack(op, doAA)); |
| recordRestoreOffsetPlaceholder(op); |
| |
| validate(); |
| |
| if (fRecordFlags & SkPicture::kUsePathBoundsForClip_RecordingFlag) { |
| return this->INHERITED::clipRect(path.getBounds(), op, doAA); |
| } else { |
| return this->INHERITED::clipPath(path, op, doAA); |
| } |
| } |
| |
| bool SkPictureRecord::clipRegion(const SkRegion& region, SkRegion::Op op) { |
| addDraw(CLIP_REGION); |
| addRegion(region); |
| addInt(ClipParams_pack(op, false)); |
| recordRestoreOffsetPlaceholder(op); |
| |
| validate(); |
| return this->INHERITED::clipRegion(region, op); |
| } |
| |
| void SkPictureRecord::clear(SkColor color) { |
| addDraw(DRAW_CLEAR); |
| addInt(color); |
| validate(); |
| } |
| |
| void SkPictureRecord::drawPaint(const SkPaint& paint) { |
| addDraw(DRAW_PAINT); |
| addPaint(paint); |
| validate(); |
| } |
| |
| void SkPictureRecord::drawPoints(PointMode mode, size_t count, const SkPoint pts[], |
| const SkPaint& paint) { |
| addDraw(DRAW_POINTS); |
| addPaint(paint); |
| addInt(mode); |
| addInt(count); |
| fWriter.writeMul4(pts, count * sizeof(SkPoint)); |
| validate(); |
| } |
| |
| void SkPictureRecord::drawOval(const SkRect& oval, const SkPaint& paint) { |
| addDraw(DRAW_OVAL); |
| addPaint(paint); |
| addRect(oval); |
| validate(); |
| } |
| |
| void SkPictureRecord::drawRect(const SkRect& rect, const SkPaint& paint) { |
| addDraw(DRAW_RECT); |
| addPaint(paint); |
| addRect(rect); |
| validate(); |
| } |
| |
| void SkPictureRecord::drawRRect(const SkRRect& rrect, const SkPaint& paint) { |
| if (rrect.isRect()) { |
| addDraw(DRAW_RECT); |
| addPaint(paint); |
| addRect(rrect.getBounds()); |
| } else if (rrect.isOval()) { |
| addDraw(DRAW_OVAL); |
| addPaint(paint); |
| addRect(rrect.getBounds()); |
| } else { |
| addDraw(DRAW_RRECT); |
| addPaint(paint); |
| addRRect(rrect); |
| } |
| validate(); |
| } |
| |
| void SkPictureRecord::drawPath(const SkPath& path, const SkPaint& paint) { |
| addDraw(DRAW_PATH); |
| addPaint(paint); |
| addPath(path); |
| validate(); |
| } |
| |
| void SkPictureRecord::drawBitmap(const SkBitmap& bitmap, SkScalar left, SkScalar top, |
| const SkPaint* paint = NULL) { |
| addDraw(DRAW_BITMAP); |
| addPaintPtr(paint); |
| addBitmap(bitmap); |
| addScalar(left); |
| addScalar(top); |
| validate(); |
| } |
| |
| void SkPictureRecord::drawBitmapRectToRect(const SkBitmap& bitmap, const SkRect* src, |
| const SkRect& dst, const SkPaint* paint) { |
| addDraw(DRAW_BITMAP_RECT_TO_RECT); |
| addPaintPtr(paint); |
| addBitmap(bitmap); |
| addRectPtr(src); // may be null |
| addRect(dst); |
| validate(); |
| } |
| |
| void SkPictureRecord::drawBitmapMatrix(const SkBitmap& bitmap, const SkMatrix& matrix, |
| const SkPaint* paint) { |
| addDraw(DRAW_BITMAP_MATRIX); |
| addPaintPtr(paint); |
| addBitmap(bitmap); |
| addMatrix(matrix); |
| validate(); |
| } |
| |
| void SkPictureRecord::drawBitmapNine(const SkBitmap& bitmap, const SkIRect& center, |
| const SkRect& dst, const SkPaint* paint) { |
| addDraw(DRAW_BITMAP_NINE); |
| addPaintPtr(paint); |
| addBitmap(bitmap); |
| addIRect(center); |
| addRect(dst); |
| validate(); |
| } |
| |
| void SkPictureRecord::drawSprite(const SkBitmap& bitmap, int left, int top, |
| const SkPaint* paint = NULL) { |
| addDraw(DRAW_SPRITE); |
| addPaintPtr(paint); |
| addBitmap(bitmap); |
| addInt(left); |
| addInt(top); |
| validate(); |
| } |
| |
| // Return fontmetrics.fTop,fBottom in topbot[0,1], after they have been |
| // tweaked by paint.computeFastBounds(). |
| // |
| static void computeFontMetricsTopBottom(const SkPaint& paint, SkScalar topbot[2]) { |
| SkPaint::FontMetrics metrics; |
| paint.getFontMetrics(&metrics); |
| SkRect bounds; |
| // construct a rect so we can see any adjustments from the paint. |
| // we use 0,1 for left,right, just so the rect isn't empty |
| bounds.set(0, metrics.fTop, SK_Scalar1, metrics.fBottom); |
| (void)paint.computeFastBounds(bounds, &bounds); |
| topbot[0] = bounds.fTop; |
| topbot[1] = bounds.fBottom; |
| } |
| |
| void SkPictureRecord::addFontMetricsTopBottom(const SkPaint& paint, const SkFlatData& flat, |
| SkScalar minY, SkScalar maxY) { |
| if (!flat.isTopBotWritten()) { |
| computeFontMetricsTopBottom(paint, flat.writableTopBot()); |
| SkASSERT(flat.isTopBotWritten()); |
| } |
| addScalar(flat.topBot()[0] + minY); |
| addScalar(flat.topBot()[1] + maxY); |
| } |
| |
| void SkPictureRecord::drawText(const void* text, size_t byteLength, SkScalar x, |
| SkScalar y, const SkPaint& paint) { |
| bool fast = !paint.isVerticalText() && paint.canComputeFastBounds(); |
| |
| addDraw(fast ? DRAW_TEXT_TOP_BOTTOM : DRAW_TEXT); |
| const SkFlatData* flatPaintData = addPaint(paint); |
| SkASSERT(flatPaintData); |
| addText(text, byteLength); |
| addScalar(x); |
| addScalar(y); |
| if (fast) { |
| addFontMetricsTopBottom(paint, *flatPaintData, y, y); |
| } |
| validate(); |
| } |
| |
| void SkPictureRecord::drawPosText(const void* text, size_t byteLength, |
| const SkPoint pos[], const SkPaint& paint) { |
| size_t points = paint.countText(text, byteLength); |
| if (0 == points) |
| return; |
| |
| bool canUseDrawH = true; |
| SkScalar minY = pos[0].fY; |
| SkScalar maxY = pos[0].fY; |
| // check if the caller really should have used drawPosTextH() |
| { |
| const SkScalar firstY = pos[0].fY; |
| for (size_t index = 1; index < points; index++) { |
| if (pos[index].fY != firstY) { |
| canUseDrawH = false; |
| if (pos[index].fY < minY) { |
| minY = pos[index].fY; |
| } else if (pos[index].fY > maxY) { |
| maxY = pos[index].fY; |
| } |
| } |
| } |
| } |
| |
| bool fastBounds = !paint.isVerticalText() && paint.canComputeFastBounds(); |
| bool fast = canUseDrawH && fastBounds; |
| |
| if (fast) { |
| addDraw(DRAW_POS_TEXT_H_TOP_BOTTOM); |
| } else if (canUseDrawH) { |
| addDraw(DRAW_POS_TEXT_H); |
| } else if (fastBounds) { |
| addDraw(DRAW_POS_TEXT_TOP_BOTTOM); |
| } else { |
| addDraw(DRAW_POS_TEXT); |
| } |
| const SkFlatData* flatPaintData = addPaint(paint); |
| SkASSERT(flatPaintData); |
| addText(text, byteLength); |
| addInt(points); |
| |
| #ifdef SK_DEBUG_SIZE |
| size_t start = fWriter.size(); |
| #endif |
| if (canUseDrawH) { |
| if (fast) { |
| addFontMetricsTopBottom(paint, *flatPaintData, pos[0].fY, pos[0].fY); |
| } |
| addScalar(pos[0].fY); |
| SkScalar* xptr = (SkScalar*)fWriter.reserve(points * sizeof(SkScalar)); |
| for (size_t index = 0; index < points; index++) |
| *xptr++ = pos[index].fX; |
| } |
| else { |
| fWriter.writeMul4(pos, points * sizeof(SkPoint)); |
| if (fastBounds) { |
| addFontMetricsTopBottom(paint, *flatPaintData, minY, maxY); |
| } |
| } |
| #ifdef SK_DEBUG_SIZE |
| fPointBytes += fWriter.size() - start; |
| fPointWrites += points; |
| #endif |
| validate(); |
| } |
| |
| void SkPictureRecord::drawPosTextH(const void* text, size_t byteLength, |
| const SkScalar xpos[], SkScalar constY, |
| const SkPaint& paint) { |
| size_t points = paint.countText(text, byteLength); |
| if (0 == points) |
| return; |
| |
| bool fast = !paint.isVerticalText() && paint.canComputeFastBounds(); |
| |
| addDraw(fast ? DRAW_POS_TEXT_H_TOP_BOTTOM : DRAW_POS_TEXT_H); |
| const SkFlatData* flatPaintData = addPaint(paint); |
| SkASSERT(flatPaintData); |
| addText(text, byteLength); |
| addInt(points); |
| |
| #ifdef SK_DEBUG_SIZE |
| size_t start = fWriter.size(); |
| #endif |
| if (fast) { |
| addFontMetricsTopBottom(paint, *flatPaintData, constY, constY); |
| } |
| addScalar(constY); |
| fWriter.writeMul4(xpos, points * sizeof(SkScalar)); |
| #ifdef SK_DEBUG_SIZE |
| fPointBytes += fWriter.size() - start; |
| fPointWrites += points; |
| #endif |
| validate(); |
| } |
| |
| void SkPictureRecord::drawTextOnPath(const void* text, size_t byteLength, |
| const SkPath& path, const SkMatrix* matrix, |
| const SkPaint& paint) { |
| addDraw(DRAW_TEXT_ON_PATH); |
| addPaint(paint); |
| addText(text, byteLength); |
| addPath(path); |
| addMatrixPtr(matrix); |
| validate(); |
| } |
| |
| void SkPictureRecord::drawPicture(SkPicture& picture) { |
| addDraw(DRAW_PICTURE); |
| addPicture(picture); |
| validate(); |
| } |
| |
| void SkPictureRecord::drawVertices(VertexMode vmode, int vertexCount, |
| const SkPoint vertices[], const SkPoint texs[], |
| const SkColor colors[], SkXfermode*, |
| const uint16_t indices[], int indexCount, |
| const SkPaint& paint) { |
| uint32_t flags = 0; |
| if (texs) { |
| flags |= DRAW_VERTICES_HAS_TEXS; |
| } |
| if (colors) { |
| flags |= DRAW_VERTICES_HAS_COLORS; |
| } |
| if (indexCount > 0) { |
| flags |= DRAW_VERTICES_HAS_INDICES; |
| } |
| |
| addDraw(DRAW_VERTICES); |
| addPaint(paint); |
| addInt(flags); |
| addInt(vmode); |
| addInt(vertexCount); |
| addPoints(vertices, vertexCount); |
| if (flags & DRAW_VERTICES_HAS_TEXS) { |
| addPoints(texs, vertexCount); |
| } |
| if (flags & DRAW_VERTICES_HAS_COLORS) { |
| fWriter.writeMul4(colors, vertexCount * sizeof(SkColor)); |
| } |
| if (flags & DRAW_VERTICES_HAS_INDICES) { |
| addInt(indexCount); |
| fWriter.writePad(indices, indexCount * sizeof(uint16_t)); |
| } |
| } |
| |
| void SkPictureRecord::drawData(const void* data, size_t length) { |
| addDraw(DRAW_DATA); |
| addInt(length); |
| fWriter.writePad(data, length); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| void SkPictureRecord::addBitmap(const SkBitmap& bitmap) { |
| const int index = fBitmapHeap->insert(bitmap); |
| // In debug builds, a bad return value from insert() will crash, allowing for debugging. In |
| // release builds, the invalid value will be recorded so that the reader will know that there |
| // was a problem. |
| SkASSERT(index != SkBitmapHeap::INVALID_SLOT); |
| addInt(index); |
| } |
| |
| void SkPictureRecord::addMatrix(const SkMatrix& matrix) { |
| addMatrixPtr(&matrix); |
| } |
| |
| void SkPictureRecord::addMatrixPtr(const SkMatrix* matrix) { |
| this->addInt(matrix ? fMatrices.find(*matrix) : 0); |
| } |
| |
| const SkFlatData* SkPictureRecord::addPaintPtr(const SkPaint* paint) { |
| const SkFlatData* data = paint ? fPaints.findAndReturnFlat(*paint) : NULL; |
| int index = data ? data->index() : 0; |
| this->addInt(index); |
| return data; |
| } |
| |
| void SkPictureRecord::addPath(const SkPath& path) { |
| if (NULL == fPathHeap) { |
| fPathHeap = SkNEW(SkPathHeap); |
| } |
| addInt(fPathHeap->append(path)); |
| } |
| |
| void SkPictureRecord::addPicture(SkPicture& picture) { |
| int index = fPictureRefs.find(&picture); |
| if (index < 0) { // not found |
| index = fPictureRefs.count(); |
| *fPictureRefs.append() = &picture; |
| picture.ref(); |
| } |
| // follow the convention of recording a 1-based index |
| addInt(index + 1); |
| } |
| |
| void SkPictureRecord::addPoint(const SkPoint& point) { |
| #ifdef SK_DEBUG_SIZE |
| size_t start = fWriter.size(); |
| #endif |
| fWriter.writePoint(point); |
| #ifdef SK_DEBUG_SIZE |
| fPointBytes += fWriter.size() - start; |
| fPointWrites++; |
| #endif |
| } |
| |
| void SkPictureRecord::addPoints(const SkPoint pts[], int count) { |
| fWriter.writeMul4(pts, count * sizeof(SkPoint)); |
| #ifdef SK_DEBUG_SIZE |
| fPointBytes += count * sizeof(SkPoint); |
| fPointWrites++; |
| #endif |
| } |
| |
| void SkPictureRecord::addRect(const SkRect& rect) { |
| #ifdef SK_DEBUG_SIZE |
| size_t start = fWriter.size(); |
| #endif |
| fWriter.writeRect(rect); |
| #ifdef SK_DEBUG_SIZE |
| fRectBytes += fWriter.size() - start; |
| fRectWrites++; |
| #endif |
| } |
| |
| void SkPictureRecord::addRectPtr(const SkRect* rect) { |
| if (fWriter.writeBool(rect != NULL)) { |
| fWriter.writeRect(*rect); |
| } |
| } |
| |
| void SkPictureRecord::addIRect(const SkIRect& rect) { |
| fWriter.write(&rect, sizeof(rect)); |
| } |
| |
| void SkPictureRecord::addIRectPtr(const SkIRect* rect) { |
| if (fWriter.writeBool(rect != NULL)) { |
| *(SkIRect*)fWriter.reserve(sizeof(SkIRect)) = *rect; |
| } |
| } |
| |
| void SkPictureRecord::addRRect(const SkRRect& rrect) { |
| fWriter.writeRRect(rrect); |
| } |
| |
| void SkPictureRecord::addRegion(const SkRegion& region) { |
| addInt(fRegions.find(region)); |
| } |
| |
| void SkPictureRecord::addText(const void* text, size_t byteLength) { |
| #ifdef SK_DEBUG_SIZE |
| size_t start = fWriter.size(); |
| #endif |
| addInt(byteLength); |
| fWriter.writePad(text, byteLength); |
| #ifdef SK_DEBUG_SIZE |
| fTextBytes += fWriter.size() - start; |
| fTextWrites++; |
| #endif |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| #ifdef SK_DEBUG_SIZE |
| size_t SkPictureRecord::size() const { |
| size_t result = 0; |
| size_t sizeData; |
| bitmaps(&sizeData); |
| result += sizeData; |
| matrices(&sizeData); |
| result += sizeData; |
| paints(&sizeData); |
| result += sizeData; |
| paths(&sizeData); |
| result += sizeData; |
| pictures(&sizeData); |
| result += sizeData; |
| regions(&sizeData); |
| result += sizeData; |
| result += streamlen(); |
| return result; |
| } |
| |
| int SkPictureRecord::bitmaps(size_t* size) const { |
| size_t result = 0; |
| int count = fBitmaps.count(); |
| for (int index = 0; index < count; index++) |
| result += sizeof(fBitmaps[index]) + fBitmaps[index]->size(); |
| *size = result; |
| return count; |
| } |
| |
| int SkPictureRecord::matrices(size_t* size) const { |
| int count = fMatrices.count(); |
| *size = sizeof(fMatrices[0]) * count; |
| return count; |
| } |
| |
| int SkPictureRecord::paints(size_t* size) const { |
| size_t result = 0; |
| int count = fPaints.count(); |
| for (int index = 0; index < count; index++) |
| result += sizeof(fPaints[index]) + fPaints[index]->size(); |
| *size = result; |
| return count; |
| } |
| |
| int SkPictureRecord::paths(size_t* size) const { |
| size_t result = 0; |
| int count = fPaths.count(); |
| for (int index = 0; index < count; index++) |
| result += sizeof(fPaths[index]) + fPaths[index]->size(); |
| *size = result; |
| return count; |
| } |
| |
| int SkPictureRecord::regions(size_t* size) const { |
| size_t result = 0; |
| int count = fRegions.count(); |
| for (int index = 0; index < count; index++) |
| result += sizeof(fRegions[index]) + fRegions[index]->size(); |
| *size = result; |
| return count; |
| } |
| |
| size_t SkPictureRecord::streamlen() const { |
| return fWriter.size(); |
| } |
| #endif |
| |
| #ifdef SK_DEBUG_VALIDATE |
| void SkPictureRecord::validate() const { |
| validateBitmaps(); |
| validateMatrices(); |
| validatePaints(); |
| validatePaths(); |
| validatePictures(); |
| validateRegions(); |
| } |
| |
| void SkPictureRecord::validateBitmaps() const { |
| int count = fBitmaps.count(); |
| SkASSERT((unsigned) count < 0x1000); |
| for (int index = 0; index < count; index++) { |
| const SkFlatBitmap* bitPtr = fBitmaps[index]; |
| SkASSERT(bitPtr); |
| bitPtr->validate(); |
| } |
| } |
| |
| void SkPictureRecord::validateMatrices() const { |
| int count = fMatrices.count(); |
| SkASSERT((unsigned) count < 0x1000); |
| for (int index = 0; index < count; index++) { |
| const SkFlatMatrix* matrix = fMatrices[index]; |
| SkASSERT(matrix); |
| matrix->validate(); |
| } |
| } |
| |
| void SkPictureRecord::validatePaints() const { |
| int count = fPaints.count(); |
| SkASSERT((unsigned) count < 0x1000); |
| for (int index = 0; index < count; index++) { |
| const SkFlatPaint* paint = fPaints[index]; |
| SkASSERT(paint); |
| // paint->validate(); |
| } |
| } |
| |
| void SkPictureRecord::validatePaths() const { |
| int count = fPaths.count(); |
| SkASSERT((unsigned) count < 0x1000); |
| for (int index = 0; index < count; index++) { |
| const SkFlatPath* path = fPaths[index]; |
| SkASSERT(path); |
| path->validate(); |
| } |
| } |
| |
| void SkPictureRecord::validateRegions() const { |
| int count = fRegions.count(); |
| SkASSERT((unsigned) count < 0x1000); |
| for (int index = 0; index < count; index++) { |
| const SkFlatRegion* region = fRegions[index]; |
| SkASSERT(region); |
| region->validate(); |
| } |
| } |
| #endif |
