978d08a4a9
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1636563002 Committed: https://skia.googlesource.com/skia/+/3cb582f688822461efa5a034e18008bf2f11e4f8 Review URL: https://codereview.chromium.org/1636563002
218 lines
8.7 KiB
C++
218 lines
8.7 KiB
C++
/*
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* Copyright 2016 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 SkJSONCanvas_DEFINED
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#define SkJSONCanvas_DEFINED
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#include "SkCanvas.h"
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#include "SkStream.h"
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#define SKJSONCANVAS_VERSION "version"
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#define SKJSONCANVAS_COMMANDS "commands"
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#define SKJSONCANVAS_COMMAND "command"
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#define SKJSONCANVAS_COMMAND_MATRIX "Matrix"
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#define SKJSONCANVAS_COMMAND_PAINT "Paint"
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#define SKJSONCANVAS_COMMAND_RECT "Rect"
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#define SKJSONCANVAS_COMMAND_OVAL "Oval"
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#define SKJSONCANVAS_COMMAND_RRECT "RRect"
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#define SKJSONCANVAS_COMMAND_DRRECT "DRRect"
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#define SKJSONCANVAS_COMMAND_POINTS "Points"
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#define SKJSONCANVAS_COMMAND_VERTICES "Vertices"
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#define SKJSONCANVAS_COMMAND_ATLAS "Atlas"
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#define SKJSONCANVAS_COMMAND_PATH "Path"
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#define SKJSONCANVAS_COMMAND_IMAGE "Image"
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#define SKJSONCANVAS_COMMAND_IMAGERECT "ImageRect"
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#define SKJSONCANVAS_COMMAND_IMAGENINE "ImageNine"
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#define SKJSONCANVAS_COMMAND_BITMAP "Bitmap"
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#define SKJSONCANVAS_COMMAND_BITMAPRECT "BitmapRect"
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#define SKJSONCANVAS_COMMAND_BITMAPNINE "BitmapNine"
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#define SKJSONCANVAS_COMMAND_TEXT "Text"
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#define SKJSONCANVAS_COMMAND_POSTEXT "PosText"
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#define SKJSONCANVAS_COMMAND_POSTEXTH "PosTextH"
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#define SKJSONCANVAS_COMMAND_TEXTONPATH "TextOnPath"
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#define SKJSONCANVAS_COMMAND_TEXTBLOB "TextBlob"
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#define SKJSONCANVAS_COMMAND_PATCH "Patch"
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#define SKJSONCANVAS_COMMAND_DRAWABLE "Drawable"
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#define SKJSONCANVAS_COMMAND_CLIPRECT "ClipRect"
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#define SKJSONCANVAS_COMMAND_CLIPRRECT "ClipRRect"
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#define SKJSONCANVAS_COMMAND_CLIPPATH "ClipPath"
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#define SKJSONCANVAS_COMMAND_CLIPREGION "ClipRegion"
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#define SKJSONCANVAS_COMMAND_SAVE "Save"
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#define SKJSONCANVAS_COMMAND_RESTORE "Restore"
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#define SKJSONCANVAS_ATTRIBUTE_MATRIX "matrix"
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#define SKJSONCANVAS_ATTRIBUTE_COORDS "coords"
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#define SKJSONCANVAS_ATTRIBUTE_PAINT "paint"
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#define SKJSONCANVAS_ATTRIBUTE_OUTER "outer"
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#define SKJSONCANVAS_ATTRIBUTE_INNER "inner"
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#define SKJSONCANVAS_ATTRIBUTE_MODE "mode"
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#define SKJSONCANVAS_ATTRIBUTE_POINTS "points"
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#define SKJSONCANVAS_ATTRIBUTE_PATH "path"
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#define SKJSONCANVAS_ATTRIBUTE_TEXT "text"
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#define SKJSONCANVAS_ATTRIBUTE_COLOR "color"
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#define SKJSONCANVAS_ATTRIBUTE_STYLE "style"
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#define SKJSONCANVAS_ATTRIBUTE_STROKEWIDTH "strokeWidth"
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#define SKJSONCANVAS_ATTRIBUTE_ANTIALIAS "antiAlias"
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#define SKJSONCANVAS_ATTRIBUTE_REGIONOP "op"
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#define SKJSONCANVAS_ATTRIBUTE_EDGESTYLE "edgeStyle"
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#define SKJSONCANVAS_ATTRIBUTE_DEVICEREGION "deviceRegion"
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#define SKJSONCANVAS_VERB_MOVE "move"
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#define SKJSONCANVAS_VERB_LINE "line"
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#define SKJSONCANVAS_VERB_QUAD "quad"
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#define SKJSONCANVAS_VERB_CUBIC "cubic"
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#define SKJSONCANVAS_VERB_CONIC "conic"
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#define SKJSONCANVAS_VERB_CLOSE "close"
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#define SKJSONCANVAS_STYLE_FILL "fill"
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#define SKJSONCANVAS_STYLE_STROKE "stroke"
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#define SKJSONCANVAS_STYLE_STROKEANDFILL "strokeAndFill"
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#define SKJSONCANVAS_EDGESTYLE_HARD "hard"
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#define SKJSONCANVAS_EDGESTYLE_SOFT "soft"
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#define SKJSONCANVAS_POINTMODE_POINTS "points"
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#define SKJSONCANVAS_POINTMODE_LINES "lines"
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#define SKJSONCANVAS_POINTMODE_POLYGON "polygon"
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#define SKJSONCANVAS_REGIONOP_DIFFERENCE "difference"
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#define SKJSONCANVAS_REGIONOP_INTERSECT "intersect"
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#define SKJSONCANVAS_REGIONOP_UNION "union"
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#define SKJSONCANVAS_REGIONOP_XOR "xor"
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#define SKJSONCANVAS_REGIONOP_REVERSE_DIFFERENCE "reverseDifference"
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#define SKJSONCANVAS_REGIONOP_REPLACE "replace"
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/*
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* Implementation of SkCanvas which writes JSON when drawn to. The JSON describes all of the draw
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* commands issued to the canvas, and can later be turned back into draw commands using
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* SkJSONRenderer. Be sure to call finish() when you are done drawing.
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*/
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class SkJSONCanvas : public SkCanvas {
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public:
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/* Create a canvas which writes to the specified output stream. */
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SkJSONCanvas(int width, int height, SkWStream& out);
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/* Complete the JSON document. */
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void finish();
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// overridden SkCanvas API
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void onDrawPaint(const SkPaint&) override;
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void onDrawRect(const SkRect&, const SkPaint&) override;
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void onDrawOval(const SkRect&, const SkPaint&) override;
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void onDrawRRect(const SkRRect&, const SkPaint&) override;
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void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&) override;
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void onDrawPoints(SkCanvas::PointMode, size_t count, const SkPoint pts[],
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const SkPaint&) override;
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void onDrawVertices(SkCanvas::VertexMode, int vertexCount, const SkPoint vertices[],
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const SkPoint texs[], const SkColor colors[], SkXfermode*,
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const uint16_t indices[], int indexCount, const SkPaint&) override;
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void onDrawAtlas(const SkImage*, const SkRSXform[], const SkRect[], const SkColor[],
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int count, SkXfermode::Mode, const SkRect* cull, const SkPaint*) override;
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void onDrawPath(const SkPath&, const SkPaint&) override;
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void onDrawImage(const SkImage*, SkScalar dx, SkScalar dy, const SkPaint*) override;
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void onDrawImageRect(const SkImage*, const SkRect*, const SkRect&, const SkPaint*,
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SrcRectConstraint) override;
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void onDrawImageNine(const SkImage*, const SkIRect& center, const SkRect& dst,
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const SkPaint*) override;
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void onDrawBitmap(const SkBitmap&, SkScalar dx, SkScalar dy, const SkPaint*) override;
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void onDrawBitmapRect(const SkBitmap&, const SkRect*, const SkRect&, const SkPaint*,
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SkCanvas::SrcRectConstraint) override;
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void onDrawBitmapNine(const SkBitmap&, const SkIRect& center, const SkRect& dst,
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const SkPaint*) override;
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void onDrawText(const void* text, size_t byteLength, SkScalar x,
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SkScalar y, const SkPaint& paint) override;
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void onDrawPosText(const void* text, size_t byteLength,
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const SkPoint pos[], const SkPaint& paint) override;
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void onDrawPosTextH(const void* text, size_t byteLength,
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const SkScalar xpos[], SkScalar constY,
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const SkPaint& paint) override;
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void onDrawTextOnPath(const void* text, size_t byteLength,
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const SkPath& path, const SkMatrix* matrix,
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const SkPaint& paint) override;
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void onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
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const SkPaint& paint) override;
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void onDrawPatch(const SkPoint cubics[12], const SkColor colors[4],
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const SkPoint texCoords[4], SkXfermode* xmode, const SkPaint& paint) override;
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void onDrawDrawable(SkDrawable*, const SkMatrix*) override;
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void onClipRect(const SkRect& rect, SkRegion::Op op, ClipEdgeStyle edgeStyle) override;
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void onClipRRect(const SkRRect& rrect, SkRegion::Op op, ClipEdgeStyle edgeStyle) override;
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void onClipPath(const SkPath& path, SkRegion::Op op, ClipEdgeStyle edgeStyle) override;
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void onClipRegion(const SkRegion& deviceRgn, SkRegion::Op op) override;
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void willSave() override;
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void willRestore() override;
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private:
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void writef(const char* fmt, ...);
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void open(const char* name);
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void close();
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void writeString(const char* name, const char* text);
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void writeString(const char* name, const void* text, size_t length);
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void writePoint(const char* name, const SkPoint& point);
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void writeRect(const char* name, const SkRect& rect);
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void writeRRect(const char* name, const SkRRect& rrect);
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void writePath(const char* name, const SkPath& path);
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void writeRegion(const char* name, const SkRegion& region);
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void writePaint(const SkPaint& paint);
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void writeRegionOp(const char* name, SkRegion::Op op);
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void writeEdgeStyle(const char* name, SkCanvas::ClipEdgeStyle edgeStyle);
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void writePointMode(const char* name, SkCanvas::PointMode mode);
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void writeMatrix(const char* name, const SkMatrix& matrix);
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void updateMatrix();
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SkWStream& fOut;
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SkMatrix fLastMatrix;
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bool fFirstCommand;
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typedef SkCanvas INHERITED;
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};
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#endif
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