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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef SKIA_EXT_BITMAP_PLATFORM_DEVICE_H_ | 5 #ifndef SKIA_EXT_BITMAP_PLATFORM_DEVICE_H_ |
6 #define SKIA_EXT_BITMAP_PLATFORM_DEVICE_H_ | 6 #define SKIA_EXT_BITMAP_PLATFORM_DEVICE_H_ |
7 | 7 |
8 // This file provides an easy way to include the appropriate | 8 // This file provides an easy way to include the appropriate |
9 // BitmapPlatformDevice header file for your platform. | 9 // BitmapPlatformDevice header file for your platform. |
10 | 10 |
11 #if defined(WIN32) | 11 #if defined(WIN32) |
12 #include "skia/ext/bitmap_platform_device_win.h" | 12 #include "skia/ext/bitmap_platform_device_win.h" |
13 #elif defined(__APPLE__) | 13 #elif defined(__APPLE__) |
14 #include "skia/ext/bitmap_platform_device_mac.h" | 14 #include "skia/ext/bitmap_platform_device_mac.h" |
15 #elif defined(ANDROID) | 15 #elif defined(ANDROID) |
16 #include "skia/ext/bitmap_platform_device_android.h" | 16 #include "skia/ext/bitmap_platform_device_android.h" |
17 #elif defined(__linux__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defi ned(__sun) | 17 #elif defined(__linux__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defi ned(__sun) |
18 #include "skia/ext/bitmap_platform_device_linux.h" | 18 #include "skia/ext/bitmap_platform_device_linux.h" |
19 #endif | 19 #endif |
20 | 20 |
21 namespace skia { | |
22 // Returns true if it is unsafe to attempt to allocate an offscreen buffer | |
23 // given these dimensions. | |
24 inline bool RasterDeviceTooBigToAllocate(int width, int height) { | |
25 | |
26 #ifndef SKIA_EXT_RASTER_DEVICE_ALLOCATION_MAX | |
27 #define SKIA_EXT_RASTER_DEVICE_ALLOCATION_MAX (256 * 1024 * 1024) | |
Stephen White
2012/09/14 21:01:33
Just as a reference, canvas's hardcoded limit is 2
| |
28 #endif | |
29 | |
30 int bytesPerPixel = 4; | |
31 int64_t bytes = (int64_t)width * height * bytesPerPixel; | |
32 return bytes > SKIA_EXT_RASTER_DEVICE_ALLOCATION_MAX; | |
33 } | |
34 } | |
35 | |
21 #endif // SKIA_EXT_BITMAP_PLATFORM_DEVICE_H_ | 36 #endif // SKIA_EXT_BITMAP_PLATFORM_DEVICE_H_ |
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