public/platform/WebFilterOperations.h - Issue 1214673005: Check for empty WebFilterOperations in FilterPainter

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Side by Side Diff: public/platform/WebFilterOperations.h

Issue 1214673005: Check for empty WebFilterOperations in FilterPainter (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: isEmpty instead of size Created 5 years, 6 months ago

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1 /*	1 /*

2 * Copyright (C) 2012 Google Inc. All rights reserved.	2 * Copyright (C) 2012 Google Inc. All rights reserved.

3 *	3 *

4 * Redistribution and use in source and binary forms, with or without	4 * Redistribution and use in source and binary forms, with or without

5 * modification, are permitted provided that the following conditions	5 * modification, are permitted provided that the following conditions

6 * are met:	6 * are met:

7 *	7 *

8 * 1. Redistributions of source code must retain the above copyright	8 * 1. Redistributions of source code must retain the above copyright

9 * notice, this list of conditions and the following disclaimer.	9 * notice, this list of conditions and the following disclaimer.

10 * 2. Redistributions in binary form must reproduce the above copyright	10 * 2. Redistributions in binary form must reproduce the above copyright

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49 virtual void appendBlurFilter(float amount) = 0;	49 virtual void appendBlurFilter(float amount) = 0;

50 virtual void appendDropShadowFilter(WebPoint offset, float stdDeviation, Web Color) = 0;	50 virtual void appendDropShadowFilter(WebPoint offset, float stdDeviation, Web Color) = 0;

51 virtual void appendColorMatrixFilter(SkScalar matrix[20]) = 0;	51 virtual void appendColorMatrixFilter(SkScalar matrix[20]) = 0;

52 virtual void appendZoomFilter(float amount, int inset) = 0;	52 virtual void appendZoomFilter(float amount, int inset) = 0;

53 virtual void appendSaturatingBrightnessFilter(float amount) = 0;	53 virtual void appendSaturatingBrightnessFilter(float amount) = 0;

54	54

55 // This grabs a ref on the passed-in filter.	55 // This grabs a ref on the passed-in filter.

56 virtual void appendReferenceFilter(SkImageFilter*) = 0;	56 virtual void appendReferenceFilter(SkImageFilter*) = 0;

57	57

58 virtual void clear() = 0;	58 virtual void clear() = 0;

	59 virtual bool isEmpty() const = 0;

59 };	60 };

60	61

61 } // namespace blink	62 } // namespace blink

62	63

63 #endif // WebFilterOperations_h	64 #endif // WebFilterOperations_h

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