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 3 // found in the LICENSE file. 4 5 #ifndef SKIA_EXT_BITMAP_PLATFORM_DEVICE_H_ 6 #define SKIA_EXT_BITMAP_PLATFORM_DEVICE_H_ 7 8 // This file provides an easy way to include the appropriate 9 // BitmapPlatformDevice header file for your platform. 10 11 #if defined(WIN32) 12 #include "skia/ext/bitmap_platform_device_win.h" 13 #elif defined(__APPLE__) 14 #include "skia/ext/bitmap_platform_device_mac.h" 15 #elif defined(USE_CAIRO) 16 #include "skia/ext/bitmap_platform_device_cairo.h" 17 #else 18 #include "skia/ext/bitmap_platform_device_skia.h" 19 #endif 20 21 namespace skia { 22 // Returns true if it is unsafe to attempt to allocate an offscreen buffer 23 // given these dimensions. RasterDeviceTooBigToAllocate(int width,int height)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 (2 * 256 * 1024 * 1024) 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 36 #endif // SKIA_EXT_BITMAP_PLATFORM_DEVICE_H_ 37