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1 /* | 1 /* |
2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef SkBitmapScaler_DEFINED | 8 #ifndef SkBitmapScaler_DEFINED |
9 #define SkBitmapScaler_DEFINED | 9 #define SkBitmapScaler_DEFINED |
10 | 10 |
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80 }; | 80 }; |
81 | 81 |
82 // Resizes the given source bitmap using the specified resize method, so tha
t | 82 // Resizes the given source bitmap using the specified resize method, so tha
t |
83 // the entire image is (dest_size) big. The dest_subset is the rectangle in | 83 // the entire image is (dest_size) big. The dest_subset is the rectangle in |
84 // this destination image that should actually be returned. | 84 // this destination image that should actually be returned. |
85 // | 85 // |
86 // The output image will be (dest_subset.width(), dest_subset.height()). Thi
s | 86 // The output image will be (dest_subset.width(), dest_subset.height()). Thi
s |
87 // will save work if you do not need the entire bitmap. | 87 // will save work if you do not need the entire bitmap. |
88 // | 88 // |
89 // The destination subset must be smaller than the destination image. | 89 // The destination subset must be smaller than the destination image. |
90 static SkBitmap Resize(const SkBitmap& source, | 90 static bool Resize(SkBitmap* result, |
91 ResizeMethod method, | 91 const SkBitmap& source, |
92 int dest_width, int dest_height, | 92 ResizeMethod method, |
93 const SkIRect& dest_subset, | 93 int dest_width, int dest_height, |
94 SkConvolutionProcs *convolveProcs = NULL, | 94 const SkIRect& dest_subset, |
95 SkBitmap::Allocator* allocator = NULL); | 95 SkConvolutionProcs *convolveProcs = NULL, |
| 96 SkBitmap::Allocator* allocator = NULL); |
96 | 97 |
97 // Alternate version for resizing and returning the entire bitmap rather tha
n | 98 // Alternate version for resizing and returning the entire bitmap rather tha
n |
98 // a subset. | 99 // a subset. |
99 static SkBitmap Resize(const SkBitmap& source, | 100 static bool Resize(SkBitmap* result, |
100 ResizeMethod method, | 101 const SkBitmap& source, |
101 int dest_width, int dest_height, | 102 ResizeMethod method, |
102 SkConvolutionProcs *convolveProcs = NULL, | 103 int dest_width, int dest_height, |
103 SkBitmap::Allocator* allocator = NULL); | 104 SkConvolutionProcs *convolveProcs = NULL, |
| 105 SkBitmap::Allocator* allocator = NULL); |
104 }; | 106 }; |
105 | 107 |
106 #endif | 108 #endif |
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