1/*
2 * Copyright 2013 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8#ifndef SkLuaCanvas_DEFINED
9#define SkLuaCanvas_DEFINED
10
11#include "SkCanvas.h"
12#include "SkString.h"
13
14struct lua_State;
15
16class SkLuaCanvas : public SkCanvas {
17public:
18    void pushThis();
19
20    SkLuaCanvas(int width, int height, lua_State*, const char function[]);
21    virtual ~SkLuaCanvas();
22
23protected:
24    void willSave() override;
25    SaveLayerStrategy willSaveLayer(const SkRect*, const SkPaint*, SaveFlags) override;
26    void willRestore() override;
27
28    void didConcat(const SkMatrix&) override;
29    void didSetMatrix(const SkMatrix&) override;
30
31    void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&) override;
32    virtual void onDrawText(const void* text, size_t byteLength, SkScalar x, SkScalar y,
33                            const SkPaint&) override;
34    virtual void onDrawPosText(const void* text, size_t byteLength, const SkPoint pos[],
35                               const SkPaint&) override;
36    virtual void onDrawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[],
37                                SkScalar constY, const SkPaint&) override;
38    virtual void onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path,
39                                  const SkMatrix* matrix, const SkPaint&) override;
40    virtual void onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y,
41                                const SkPaint& paint) override;
42
43    void onDrawPaint(const SkPaint&) override;
44    void onDrawPoints(PointMode, size_t count, const SkPoint pts[], const SkPaint&) override;
45    void onDrawRect(const SkRect&, const SkPaint&) override;
46    void onDrawOval(const SkRect&, const SkPaint&) override;
47    void onDrawRRect(const SkRRect&, const SkPaint&) override;
48    void onDrawPath(const SkPath&, const SkPaint&) override;
49    void onDrawBitmap(const SkBitmap&, SkScalar left, SkScalar top, const SkPaint*) override;
50    void onDrawBitmapRect(const SkBitmap&, const SkRect* src, const SkRect& dst, const SkPaint*,
51                          DrawBitmapRectFlags flags) override;
52    void onDrawImage(const SkImage*, SkScalar left, SkScalar top, const SkPaint*) override;
53    void onDrawImageRect(const SkImage*, const SkRect* src, const SkRect& dst,
54                         const SkPaint*) override;
55    void onDrawBitmapNine(const SkBitmap&, const SkIRect& center, const SkRect& dst,
56                          const SkPaint*) override;
57    void onDrawSprite(const SkBitmap&, int left, int top, const SkPaint*) override;
58    void onDrawVertices(VertexMode vmode, int vertexCount,
59                        const SkPoint vertices[], const SkPoint texs[],
60                        const SkColor colors[], SkXfermode* xmode,
61                        const uint16_t indices[], int indexCount,
62                        const SkPaint&) override;
63
64    void onClipRect(const SkRect&, SkRegion::Op, ClipEdgeStyle) override;
65    void onClipRRect(const SkRRect&, SkRegion::Op, ClipEdgeStyle) override;
66    void onClipPath(const SkPath&, SkRegion::Op, ClipEdgeStyle) override;
67    void onClipRegion(const SkRegion&, SkRegion::Op) override;
68
69    void onDrawPicture(const SkPicture*, const SkMatrix*, const SkPaint*) override;
70
71private:
72    lua_State*  fL;
73    SkString    fFunc;
74
75    void sendverb(const char verb[]);
76
77    typedef SkCanvas INHERITED;
78};
79
80#endif
81