| #include "SkRecordDraw.h" |
| |
| namespace { |
| |
| // This is an SkRecord visitor that will draw that SkRecord to an SkCanvas. |
| struct Draw { |
| unsigned index; |
| SkCanvas* canvas; |
| |
| // No base case, so we'll be compile-time checked that we implemented all possibilities below. |
| template <typename T> void operator()(const T&); |
| }; |
| |
| template <> void Draw::operator()(const SkRecords::PushCull& pushCull) { |
| if (pushCull.popOffset != SkRecords::kUnsetPopOffset && |
| canvas->quickReject(pushCull.rect)) { |
| // We skip to the popCull, then the loop moves us just beyond it. |
| index += pushCull.popOffset; |
| } else { |
| canvas->pushCull(pushCull.rect); |
| } |
| } |
| |
| // Nothing fancy below here. |
| |
| #define CASE(T) template <> void Draw::operator()(const SkRecords::T& r) |
| |
| CASE(Restore) { canvas->restore(); } |
| CASE(Save) { canvas->save(r.flags); } |
| CASE(SaveLayer) { canvas->saveLayer(r.bounds, r.paint, r.flags); } |
| |
| CASE(PopCull) { canvas->popCull(); } |
| |
| CASE(Concat) { canvas->concat(r.matrix); } |
| CASE(SetMatrix) { canvas->setMatrix(r.matrix); } |
| |
| CASE(ClipPath) { canvas->clipPath(r.path, r.op, r.doAA); } |
| CASE(ClipRRect) { canvas->clipRRect(r.rrect, r.op, r.doAA); } |
| CASE(ClipRect) { canvas->clipRect(r.rect, r.op, r.doAA); } |
| CASE(ClipRegion) { canvas->clipRegion(r.region, r.op); } |
| |
| CASE(Clear) { canvas->clear(r.color); } |
| CASE(DrawBitmap) { canvas->drawBitmap(r.bitmap, r.left, r.top, r.paint); } |
| CASE(DrawBitmapMatrix) { canvas->drawBitmapMatrix(r.bitmap, r.matrix, r.paint); } |
| CASE(DrawBitmapNine) { canvas->drawBitmapNine(r.bitmap, r.center, r.dst, r.paint); } |
| CASE(DrawBitmapRectToRect) { |
| canvas->drawBitmapRectToRect(r.bitmap, r.src, r.dst, r.paint, r.flags); |
| } |
| CASE(DrawDRRect) { canvas->drawDRRect(r.outer, r.inner, r.paint); } |
| CASE(DrawOval) { canvas->drawOval(r.oval, r.paint); } |
| CASE(DrawPaint) { canvas->drawPaint(r.paint); } |
| CASE(DrawPath) { canvas->drawPath(r.path, r.paint); } |
| CASE(DrawPoints) { canvas->drawPoints(r.mode, r.count, r.pts, r.paint); } |
| CASE(DrawPosText) { canvas->drawPosText(r.text, r.byteLength, r.pos, r.paint); } |
| CASE(DrawPosTextH) { canvas->drawPosTextH(r.text, r.byteLength, r.xpos, r.y, r.paint); } |
| CASE(DrawRRect) { canvas->drawRRect(r.rrect, r.paint); } |
| CASE(DrawRect) { canvas->drawRect(r.rect, r.paint); } |
| CASE(DrawSprite) { canvas->drawSprite(r.bitmap, r.left, r.top, r.paint); } |
| CASE(DrawText) { canvas->drawText(r.text, r.byteLength, r.x, r.y, r.paint); } |
| CASE(DrawTextOnPath) { canvas->drawTextOnPath(r.text, r.byteLength, r.path, r.matrix, r.paint); } |
| CASE(DrawVertices) { |
| canvas->drawVertices(r.vmode, r.vertexCount, r.vertices, r.texs, r.colors, |
| r.xmode.get(), r.indices, r.indexCount, r.paint); |
| } |
| #undef CASE |
| |
| } // namespace |
| |
| void SkRecordDraw(const SkRecord& record, SkCanvas* canvas) { |
| Draw draw; |
| draw.canvas = canvas; |
| |
| for (draw.index = 0; draw.index < record.count(); draw.index++) { |
| record.visit(draw.index, draw); |
| } |
| } |