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      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(ANDROID)
     16 #include "skia/ext/bitmap_platform_device_android.h"
     17 #elif defined(__linux__) || defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__sun)
     18 #include "skia/ext/bitmap_platform_device_linux.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.
     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