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1 /*
2  * Copyright 2014 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 CanvasStateHelpers_DEFINED
9 #define CanvasStateHelpers_DEFINED
10 
11 #include "SkTypes.h"
12 
13 #ifdef SK_SUPPORT_LEGACY_CLIPTOLAYERFLAG
14 class SkCanvas;
15 class SkCanvasState;
16 class SkRegion;
17 
18 /*
19  *  Helper function to perform drawing to an SkCanvas. Used by both
20  *  test_complex_layers and complex_layers_draw_from_canvas_state.
21  */
22 void complex_layers_draw(SkCanvas* canvas, float left, float top,
23                          float right, float bottom, int32_t spacer);
24 
25 /*
26  *  Create an SkCanvas from state and draw to it. Return true on success.
27  *
28  *  Used by test_complex_layers test in CanvasStateTest. Marked as extern
29  *  so it can be called from a separate library.
30  */
31 extern "C" bool complex_layers_draw_from_canvas_state(SkCanvasState* state,
32         float left, float top, float right, float bottom, int32_t spacer);
33 
34 /*
35  *  Helper function to perform drawing to an SkCanvas. Used both by test_complex_clips
36  *  and complex_clips_draw_from_canvas_state.
37  */
38 void complex_clips_draw(SkCanvas* canvas, int32_t left, int32_t top,
39         int32_t right, int32_t bottom, int32_t clipOp, const SkRegion& localRegion);
40 
41 /*
42  *  Create an SkCanvas from state and draw to it. Return true on success.
43  *
44  *  Used by test_complex_clips test in CanvasStateTest. Marked as extern
45  *  so it can be called from a separate library.
46  */
47 extern "C" bool complex_clips_draw_from_canvas_state(SkCanvasState* state,
48         int32_t left, int32_t top, int32_t right, int32_t bottom, int32_t clipOp,
49         int32_t regionRects, int32_t* rectCoords);
50 
51 #endif // SK_SUPPORT_LEGACY_CLIPTOLAYERFLAG
52 #endif // CanvasStateHelpers_DEFINED
53