65197ff1ac
- Removes all remaining manual memory management Change-Id: I3e9ed4e186082a13b46a2d2de295cbeb0cf9a449 Reviewed-on: https://skia-review.googlesource.com/130542 Commit-Queue: Brian Osman <brianosman@google.com> Reviewed-by: Mike Klein <mtklein@google.com>
729 lines
21 KiB
C++
729 lines
21 KiB
C++
/*
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* Copyright 2012 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef SKDRAWCOMMAND_H_
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#define SKDRAWCOMMAND_H_
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#include "SkBitmap.h"
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#include "SkCanvas.h"
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#include "SkDrawShadowInfo.h"
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#include "SkFlattenable.h"
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#include "SkTLazy.h"
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#include "SkPath.h"
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#include "SkRegion.h"
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#include "SkRRect.h"
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#include "SkRSXform.h"
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#include "SkString.h"
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#include "SkTDArray.h"
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#include "SkVertices.h"
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#include "SkJSONCPP.h"
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#include "UrlDataManager.h"
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class SkDrawCommand {
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public:
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enum OpType {
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kBeginDrawPicture_OpType,
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kClear_OpType,
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kClipPath_OpType,
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kClipRegion_OpType,
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kClipRect_OpType,
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kClipRRect_OpType,
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kConcat_OpType,
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kDrawAnnotation_OpType,
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kDrawBitmap_OpType,
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kDrawBitmapLattice_OpType,
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kDrawBitmapNine_OpType,
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kDrawBitmapRect_OpType,
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kDrawDRRect_OpType,
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kDrawImage_OpType,
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kDrawImageLattice_OpType,
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kDrawImageNine_OpType,
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kDrawImageRect_OpType,
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kDrawOval_OpType,
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kDrawArc_OpType,
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kDrawPaint_OpType,
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kDrawPatch_OpType,
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kDrawPath_OpType,
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kDrawPoints_OpType,
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kDrawPosText_OpType,
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kDrawPosTextH_OpType,
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kDrawRect_OpType,
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kDrawRRect_OpType,
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kDrawRegion_OpType,
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kDrawShadow_OpType,
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kDrawText_OpType,
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kDrawTextBlob_OpType,
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kDrawTextOnPath_OpType,
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kDrawTextRSXform_OpType,
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kDrawVertices_OpType,
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kDrawAtlas_OpType,
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kEndDrawPicture_OpType,
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kRestore_OpType,
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kSave_OpType,
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kSaveLayer_OpType,
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kSetMatrix_OpType,
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kLast_OpType = kSetMatrix_OpType
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};
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static const int kOpTypeCount = kLast_OpType + 1;
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static void WritePNG(const uint8_t* rgba, unsigned width, unsigned height,
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SkWStream& out, bool isOpaque);
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SkDrawCommand(OpType opType);
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virtual ~SkDrawCommand() {}
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bool isVisible() const {
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return fVisible;
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}
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void setVisible(bool toggle) {
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fVisible = toggle;
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}
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virtual void execute(SkCanvas*) const = 0;
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virtual bool render(SkCanvas* canvas) const { return false; }
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virtual Json::Value toJSON(UrlDataManager& urlDataManager) const;
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static const char* GetCommandString(OpType type);
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// Helper methods for converting things to JSON
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static Json::Value MakeJsonColor(const SkColor color);
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static Json::Value MakeJsonColor4f(const SkColor4f& color);
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static Json::Value MakeJsonPoint(const SkPoint& point);
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static Json::Value MakeJsonPoint(SkScalar x, SkScalar y);
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static Json::Value MakeJsonPoint3(const SkPoint3& point);
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static Json::Value MakeJsonRect(const SkRect& rect);
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static Json::Value MakeJsonIRect(const SkIRect&);
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static Json::Value MakeJsonMatrix(const SkMatrix&);
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static Json::Value MakeJsonScalar(SkScalar);
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static Json::Value MakeJsonPath(const SkPath& path);
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static Json::Value MakeJsonRegion(const SkRegion& region);
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static Json::Value MakeJsonPaint(const SkPaint& paint, UrlDataManager& urlDataManager);
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static Json::Value MakeJsonLattice(const SkCanvas::Lattice& lattice);
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static void flatten(const SkFlattenable* flattenable, Json::Value* target,
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UrlDataManager& urlDataManager);
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static bool flatten(const SkImage& image, Json::Value* target,
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UrlDataManager& urlDataManager);
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static bool flatten(const SkBitmap& bitmap, Json::Value* target,
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UrlDataManager& urlDataManager);
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private:
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OpType fOpType;
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bool fVisible;
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};
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class SkRestoreCommand : public SkDrawCommand {
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public:
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SkRestoreCommand();
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void execute(SkCanvas* canvas) const override;
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private:
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typedef SkDrawCommand INHERITED;
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};
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class SkClearCommand : public SkDrawCommand {
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public:
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SkClearCommand(SkColor color);
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void execute(SkCanvas* canvas) const override;
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Json::Value toJSON(UrlDataManager& urlDataManager) const override;
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private:
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SkColor fColor;
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typedef SkDrawCommand INHERITED;
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};
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class SkClipPathCommand : public SkDrawCommand {
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public:
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SkClipPathCommand(const SkPath& path, SkClipOp op, bool doAA);
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void execute(SkCanvas* canvas) const override;
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bool render(SkCanvas* canvas) const override;
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Json::Value toJSON(UrlDataManager& urlDataManager) const override;
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private:
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SkPath fPath;
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SkClipOp fOp;
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bool fDoAA;
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typedef SkDrawCommand INHERITED;
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};
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class SkClipRegionCommand : public SkDrawCommand {
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public:
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SkClipRegionCommand(const SkRegion& region, SkClipOp op);
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void execute(SkCanvas* canvas) const override;
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Json::Value toJSON(UrlDataManager& urlDataManager) const override;
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private:
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SkRegion fRegion;
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SkClipOp fOp;
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typedef SkDrawCommand INHERITED;
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};
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class SkClipRectCommand : public SkDrawCommand {
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public:
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SkClipRectCommand(const SkRect& rect, SkClipOp op, bool doAA);
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void execute(SkCanvas* canvas) const override;
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Json::Value toJSON(UrlDataManager& urlDataManager) const override;
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private:
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SkRect fRect;
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SkClipOp fOp;
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bool fDoAA;
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typedef SkDrawCommand INHERITED;
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};
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class SkClipRRectCommand : public SkDrawCommand {
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public:
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SkClipRRectCommand(const SkRRect& rrect, SkClipOp op, bool doAA);
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void execute(SkCanvas* canvas) const override;
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bool render(SkCanvas* canvas) const override;
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Json::Value toJSON(UrlDataManager& urlDataManager) const override;
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private:
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SkRRect fRRect;
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SkClipOp fOp;
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bool fDoAA;
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typedef SkDrawCommand INHERITED;
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};
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class SkConcatCommand : public SkDrawCommand {
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public:
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SkConcatCommand(const SkMatrix& matrix);
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void execute(SkCanvas* canvas) const override;
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Json::Value toJSON(UrlDataManager& urlDataManager) const override;
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private:
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SkMatrix fMatrix;
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typedef SkDrawCommand INHERITED;
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};
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class SkDrawAnnotationCommand : public SkDrawCommand {
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public:
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SkDrawAnnotationCommand(const SkRect&, const char key[], sk_sp<SkData> value);
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void execute(SkCanvas* canvas) const override;
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Json::Value toJSON(UrlDataManager& urlDataManager) const override;
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private:
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SkRect fRect;
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SkString fKey;
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sk_sp<SkData> fValue;
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typedef SkDrawCommand INHERITED;
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};
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class SkDrawBitmapCommand : public SkDrawCommand {
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public:
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SkDrawBitmapCommand(const SkBitmap& bitmap, SkScalar left, SkScalar top,
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const SkPaint* paint);
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void execute(SkCanvas* canvas) const override;
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bool render(SkCanvas* canvas) const override;
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Json::Value toJSON(UrlDataManager& urlDataManager) const override;
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private:
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SkBitmap fBitmap;
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SkScalar fLeft;
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SkScalar fTop;
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SkTLazy<SkPaint> fPaint;
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typedef SkDrawCommand INHERITED;
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};
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class SkDrawBitmapLatticeCommand : public SkDrawCommand {
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public:
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SkDrawBitmapLatticeCommand(const SkBitmap& bitmap, const SkCanvas::Lattice& lattice,
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const SkRect& dst, const SkPaint* paint);
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void execute(SkCanvas* canvas) const override;
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bool render(SkCanvas* canvas) const override;
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Json::Value toJSON(UrlDataManager& urlDataManager) const override;
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private:
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SkBitmap fBitmap;
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SkCanvas::Lattice fLattice;
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SkRect fDst;
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SkTLazy<SkPaint> fPaint;
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typedef SkDrawCommand INHERITED;
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};
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class SkDrawBitmapNineCommand : public SkDrawCommand {
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public:
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SkDrawBitmapNineCommand(const SkBitmap& bitmap, const SkIRect& center,
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const SkRect& dst, const SkPaint* paint);
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void execute(SkCanvas* canvas) const override;
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bool render(SkCanvas* canvas) const override;
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Json::Value toJSON(UrlDataManager& urlDataManager) const override;
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private:
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SkBitmap fBitmap;
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SkIRect fCenter;
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SkRect fDst;
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SkTLazy<SkPaint> fPaint;
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typedef SkDrawCommand INHERITED;
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};
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class SkDrawBitmapRectCommand : public SkDrawCommand {
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public:
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SkDrawBitmapRectCommand(const SkBitmap& bitmap, const SkRect* src,
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const SkRect& dst, const SkPaint* paint,
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SkCanvas::SrcRectConstraint);
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void execute(SkCanvas* canvas) const override;
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bool render(SkCanvas* canvas) const override;
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Json::Value toJSON(UrlDataManager& urlDataManager) const override;
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private:
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SkBitmap fBitmap;
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SkTLazy<SkRect> fSrc;
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SkRect fDst;
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SkTLazy<SkPaint> fPaint;
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SkCanvas::SrcRectConstraint fConstraint;
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typedef SkDrawCommand INHERITED;
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};
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class SkDrawImageCommand : public SkDrawCommand {
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public:
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SkDrawImageCommand(const SkImage* image, SkScalar left, SkScalar top, const SkPaint* paint);
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void execute(SkCanvas* canvas) const override;
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bool render(SkCanvas* canvas) const override;
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Json::Value toJSON(UrlDataManager& urlDataManager) const override;
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private:
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sk_sp<const SkImage> fImage;
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SkScalar fLeft;
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SkScalar fTop;
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SkTLazy<SkPaint> fPaint;
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typedef SkDrawCommand INHERITED;
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};
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class SkDrawImageLatticeCommand : public SkDrawCommand {
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public:
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SkDrawImageLatticeCommand(const SkImage* image, const SkCanvas::Lattice& lattice,
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const SkRect& dst, const SkPaint* paint);
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void execute(SkCanvas* canvas) const override;
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bool render(SkCanvas* canvas) const override;
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Json::Value toJSON(UrlDataManager& urlDataManager) const override;
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private:
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sk_sp<const SkImage> fImage;
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SkCanvas::Lattice fLattice;
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SkRect fDst;
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SkTLazy<SkPaint> fPaint;
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typedef SkDrawCommand INHERITED;
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};
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class SkDrawImageNineCommand : public SkDrawCommand {
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public:
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SkDrawImageNineCommand(const SkImage* image, const SkIRect& center,
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const SkRect& dst, const SkPaint* paint);
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void execute(SkCanvas* canvas) const override;
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bool render(SkCanvas* canvas) const override;
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Json::Value toJSON(UrlDataManager& urlDataManager) const override;
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private:
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sk_sp<const SkImage> fImage;
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SkIRect fCenter;
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SkRect fDst;
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SkTLazy<SkPaint> fPaint;
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typedef SkDrawCommand INHERITED;
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};
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class SkDrawImageRectCommand : public SkDrawCommand {
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public:
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SkDrawImageRectCommand(const SkImage* image, const SkRect* src, const SkRect& dst,
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const SkPaint* paint, SkCanvas::SrcRectConstraint constraint);
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void execute(SkCanvas* canvas) const override;
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bool render(SkCanvas* canvas) const override;
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Json::Value toJSON(UrlDataManager& urlDataManager) const override;
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private:
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sk_sp<const SkImage> fImage;
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SkTLazy<SkRect> fSrc;
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SkRect fDst;
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SkTLazy<SkPaint> fPaint;
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SkCanvas::SrcRectConstraint fConstraint;
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typedef SkDrawCommand INHERITED;
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};
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class SkDrawOvalCommand : public SkDrawCommand {
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public:
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SkDrawOvalCommand(const SkRect& oval, const SkPaint& paint);
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void execute(SkCanvas* canvas) const override;
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bool render(SkCanvas* canvas) const override;
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Json::Value toJSON(UrlDataManager& urlDataManager) const override;
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private:
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SkRect fOval;
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SkPaint fPaint;
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typedef SkDrawCommand INHERITED;
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};
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class SkDrawArcCommand : public SkDrawCommand {
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public:
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SkDrawArcCommand(const SkRect& oval, SkScalar startAngle, SkScalar sweepAngle, bool useCenter,
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const SkPaint& paint);
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void execute(SkCanvas* canvas) const override;
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bool render(SkCanvas* canvas) const override;
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Json::Value toJSON(UrlDataManager& urlDataManager) const override;
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private:
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SkRect fOval;
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SkScalar fStartAngle;
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SkScalar fSweepAngle;
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bool fUseCenter;
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SkPaint fPaint;
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typedef SkDrawCommand INHERITED;
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};
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class SkDrawPaintCommand : public SkDrawCommand {
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public:
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SkDrawPaintCommand(const SkPaint& paint);
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void execute(SkCanvas* canvas) const override;
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bool render(SkCanvas* canvas) const override;
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Json::Value toJSON(UrlDataManager& urlDataManager) const override;
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private:
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SkPaint fPaint;
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typedef SkDrawCommand INHERITED;
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};
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class SkDrawPathCommand : public SkDrawCommand {
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public:
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SkDrawPathCommand(const SkPath& path, const SkPaint& paint);
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void execute(SkCanvas* canvas) const override;
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bool render(SkCanvas* canvas) const override;
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Json::Value toJSON(UrlDataManager& urlDataManager) const override;
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private:
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SkPath fPath;
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SkPaint fPaint;
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typedef SkDrawCommand INHERITED;
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};
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class SkBeginDrawPictureCommand : public SkDrawCommand {
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public:
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SkBeginDrawPictureCommand(const SkPicture* picture,
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const SkMatrix* matrix,
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const SkPaint* paint);
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void execute(SkCanvas* canvas) const override;
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bool render(SkCanvas* canvas) const override;
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private:
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sk_sp<const SkPicture> fPicture;
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SkTLazy<SkMatrix> fMatrix;
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SkTLazy<SkPaint> fPaint;
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typedef SkDrawCommand INHERITED;
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};
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class SkEndDrawPictureCommand : public SkDrawCommand {
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public:
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SkEndDrawPictureCommand(bool restore);
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void execute(SkCanvas* canvas) const override;
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private:
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bool fRestore;
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typedef SkDrawCommand INHERITED;
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};
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class SkDrawPointsCommand : public SkDrawCommand {
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public:
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SkDrawPointsCommand(SkCanvas::PointMode mode, size_t count, const SkPoint pts[],
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const SkPaint& paint);
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void execute(SkCanvas* canvas) const override;
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bool render(SkCanvas* canvas) const override;
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Json::Value toJSON(UrlDataManager& urlDataManager) const override;
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private:
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SkCanvas::PointMode fMode;
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SkTDArray<SkPoint> fPts;
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SkPaint fPaint;
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typedef SkDrawCommand INHERITED;
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};
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class SkDrawRegionCommand : public SkDrawCommand {
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public:
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SkDrawRegionCommand(const SkRegion& region, const SkPaint& paint);
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void execute(SkCanvas* canvas) const override;
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bool render(SkCanvas* canvas) const override;
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Json::Value toJSON(UrlDataManager& urlDataManager) const override;
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private:
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SkRegion fRegion;
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SkPaint fPaint;
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typedef SkDrawCommand INHERITED;
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};
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class SkDrawTextCommand : public SkDrawCommand {
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public:
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SkDrawTextCommand(const void* text, size_t byteLength, SkScalar x, SkScalar y,
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const SkPaint& paint);
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void execute(SkCanvas* canvas) const override;
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Json::Value toJSON(UrlDataManager& urlDataManager) const override;
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private:
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sk_sp<SkData> fText;
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SkScalar fX;
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SkScalar fY;
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SkPaint fPaint;
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typedef SkDrawCommand INHERITED;
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};
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class SkDrawPosTextCommand : public SkDrawCommand {
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public:
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SkDrawPosTextCommand(const void* text, size_t byteLength, const SkPoint pos[],
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const SkPaint& paint);
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void execute(SkCanvas* canvas) const override;
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Json::Value toJSON(UrlDataManager& urlDataManager) const override;
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private:
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sk_sp<SkData> fText;
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SkTDArray<SkPoint> fPos;
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SkPaint fPaint;
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typedef SkDrawCommand INHERITED;
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};
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class SkDrawTextOnPathCommand : public SkDrawCommand {
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public:
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SkDrawTextOnPathCommand(const void* text, size_t byteLength, const SkPath& path,
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const SkMatrix* matrix, const SkPaint& paint);
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void execute(SkCanvas* canvas) const override;
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Json::Value toJSON(UrlDataManager& urlDataManager) const override;
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private:
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sk_sp<SkData> fText;
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SkPath fPath;
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SkTLazy<SkMatrix> fMatrix;
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SkPaint fPaint;
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typedef SkDrawCommand INHERITED;
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};
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class SkDrawTextRSXformCommand : public SkDrawCommand {
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public:
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SkDrawTextRSXformCommand(const void* text, size_t byteLength, const SkRSXform[],
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const SkRect*, const SkPaint& paint);
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void execute(SkCanvas* canvas) const override;
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Json::Value toJSON(UrlDataManager& urlDataManager) const override;
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private:
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sk_sp<SkData> fText;
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SkTDArray<SkRSXform> fXform;
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SkTLazy<SkRect> fCull;
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SkPaint fPaint;
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typedef SkDrawCommand INHERITED;
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};
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class SkDrawPosTextHCommand : public SkDrawCommand {
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public:
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SkDrawPosTextHCommand(const void* text, size_t byteLength, const SkScalar xpos[],
|
|
SkScalar constY, const SkPaint& paint);
|
|
void execute(SkCanvas* canvas) const override;
|
|
Json::Value toJSON(UrlDataManager& urlDataManager) const override;
|
|
|
|
private:
|
|
sk_sp<SkData> fText;
|
|
SkTDArray<SkScalar> fXpos;
|
|
SkScalar fConstY;
|
|
SkPaint fPaint;
|
|
|
|
typedef SkDrawCommand INHERITED;
|
|
};
|
|
|
|
class SkDrawTextBlobCommand : public SkDrawCommand {
|
|
public:
|
|
SkDrawTextBlobCommand(sk_sp<SkTextBlob> blob, SkScalar x, SkScalar y, const SkPaint& paint);
|
|
|
|
void execute(SkCanvas* canvas) const override;
|
|
bool render(SkCanvas* canvas) const override;
|
|
Json::Value toJSON(UrlDataManager& urlDataManager) const override;
|
|
|
|
private:
|
|
sk_sp<SkTextBlob> fBlob;
|
|
SkScalar fXPos;
|
|
SkScalar fYPos;
|
|
SkPaint fPaint;
|
|
|
|
typedef SkDrawCommand INHERITED;
|
|
};
|
|
|
|
class SkDrawPatchCommand : public SkDrawCommand {
|
|
public:
|
|
SkDrawPatchCommand(const SkPoint cubics[12], const SkColor colors[4],
|
|
const SkPoint texCoords[4], SkBlendMode bmode,
|
|
const SkPaint& paint);
|
|
void execute(SkCanvas* canvas) const override;
|
|
Json::Value toJSON(UrlDataManager& urlDataManager) const override;
|
|
|
|
private:
|
|
SkPoint fCubics[12];
|
|
SkColor* fColorsPtr;
|
|
SkColor fColors[4];
|
|
SkPoint* fTexCoordsPtr;
|
|
SkPoint fTexCoords[4];
|
|
SkBlendMode fBlendMode;
|
|
SkPaint fPaint;
|
|
|
|
typedef SkDrawCommand INHERITED;
|
|
};
|
|
|
|
|
|
class SkDrawRectCommand : public SkDrawCommand {
|
|
public:
|
|
SkDrawRectCommand(const SkRect& rect, const SkPaint& paint);
|
|
void execute(SkCanvas* canvas) const override;
|
|
Json::Value toJSON(UrlDataManager& urlDataManager) const override;
|
|
|
|
private:
|
|
SkRect fRect;
|
|
SkPaint fPaint;
|
|
|
|
typedef SkDrawCommand INHERITED;
|
|
};
|
|
|
|
class SkDrawRRectCommand : public SkDrawCommand {
|
|
public:
|
|
SkDrawRRectCommand(const SkRRect& rrect, const SkPaint& paint);
|
|
void execute(SkCanvas* canvas) const override;
|
|
bool render(SkCanvas* canvas) const override;
|
|
Json::Value toJSON(UrlDataManager& urlDataManager) const override;
|
|
|
|
private:
|
|
SkRRect fRRect;
|
|
SkPaint fPaint;
|
|
|
|
typedef SkDrawCommand INHERITED;
|
|
};
|
|
|
|
class SkDrawDRRectCommand : public SkDrawCommand {
|
|
public:
|
|
SkDrawDRRectCommand(const SkRRect& outer, const SkRRect& inner,
|
|
const SkPaint& paint);
|
|
void execute(SkCanvas* canvas) const override;
|
|
bool render(SkCanvas* canvas) const override;
|
|
Json::Value toJSON(UrlDataManager& urlDataManager) const override;
|
|
|
|
private:
|
|
SkRRect fOuter;
|
|
SkRRect fInner;
|
|
SkPaint fPaint;
|
|
|
|
typedef SkDrawCommand INHERITED;
|
|
};
|
|
|
|
class SkDrawVerticesCommand : public SkDrawCommand {
|
|
public:
|
|
SkDrawVerticesCommand(sk_sp<SkVertices>, SkBlendMode, const SkPaint&);
|
|
|
|
void execute(SkCanvas* canvas) const override;
|
|
|
|
private:
|
|
sk_sp<SkVertices> fVertices;
|
|
SkBlendMode fBlendMode;
|
|
SkPaint fPaint;
|
|
|
|
typedef SkDrawCommand INHERITED;
|
|
};
|
|
|
|
class SkDrawAtlasCommand : public SkDrawCommand {
|
|
public:
|
|
SkDrawAtlasCommand(const SkImage*, const SkRSXform[], const SkRect[], const SkColor[], int,
|
|
SkBlendMode, const SkRect*, const SkPaint*);
|
|
|
|
void execute(SkCanvas* canvas) const override;
|
|
|
|
private:
|
|
sk_sp<const SkImage> fImage;
|
|
SkTDArray<SkRSXform> fXform;
|
|
SkTDArray<SkRect> fTex;
|
|
SkTDArray<SkColor> fColors;
|
|
SkBlendMode fBlendMode;
|
|
SkTLazy<SkRect> fCull;
|
|
SkTLazy<SkPaint> fPaint;
|
|
|
|
typedef SkDrawCommand INHERITED;
|
|
};
|
|
|
|
class SkSaveCommand : public SkDrawCommand {
|
|
public:
|
|
SkSaveCommand();
|
|
void execute(SkCanvas* canvas) const override;
|
|
|
|
private:
|
|
typedef SkDrawCommand INHERITED;
|
|
};
|
|
|
|
class SkSaveLayerCommand : public SkDrawCommand {
|
|
public:
|
|
SkSaveLayerCommand(const SkCanvas::SaveLayerRec&);
|
|
void execute(SkCanvas* canvas) const override;
|
|
Json::Value toJSON(UrlDataManager& urlDataManager) const override;
|
|
|
|
private:
|
|
SkTLazy<SkRect> fBounds;
|
|
SkTLazy<SkPaint> fPaint;
|
|
sk_sp<const SkImageFilter> fBackdrop;
|
|
uint32_t fSaveLayerFlags;
|
|
|
|
typedef SkDrawCommand INHERITED;
|
|
};
|
|
|
|
class SkSetMatrixCommand : public SkDrawCommand {
|
|
public:
|
|
SkSetMatrixCommand(const SkMatrix& matrix);
|
|
void execute(SkCanvas* canvas) const override;
|
|
Json::Value toJSON(UrlDataManager& urlDataManager) const override;
|
|
|
|
private:
|
|
SkMatrix fMatrix;
|
|
|
|
typedef SkDrawCommand INHERITED;
|
|
};
|
|
|
|
class SkDrawShadowCommand : public SkDrawCommand {
|
|
public:
|
|
SkDrawShadowCommand(const SkPath& path, const SkDrawShadowRec& rec);
|
|
void execute(SkCanvas* canvas) const override;
|
|
bool render(SkCanvas* canvas) const override;
|
|
Json::Value toJSON(UrlDataManager& urlDataManager) const override;
|
|
|
|
private:
|
|
SkPath fPath;
|
|
SkDrawShadowRec fShadowRec;
|
|
|
|
typedef SkDrawCommand INHERITED;
|
|
};
|
|
#endif
|
|
|