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 21namespace 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 (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