skia/ext/skia_utils_win.cc

   1 // Copyright (c) 2006-2008 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 #include "skia/ext/skia_utils_win.h"
   6
   7 #include <stddef.h>
   8 #include <windows.h>
   9
  10 #include "third_party/skia/include/core/SkRect.h"
  11 #include "third_party/skia/include/core/SkTypes.h"
  12 #include "third_party/skia/include/effects/SkGradientShader.h"
  13
  14 namespace {
  15
  16 SK_COMPILE_ASSERT(offsetof(RECT, left) == offsetof(SkIRect, fLeft), o1);
  17 SK_COMPILE_ASSERT(offsetof(RECT, top) == offsetof(SkIRect, fTop), o2);
  18 SK_COMPILE_ASSERT(offsetof(RECT, right) == offsetof(SkIRect, fRight), o3);
  19 SK_COMPILE_ASSERT(offsetof(RECT, bottom) == offsetof(SkIRect, fBottom), o4);
  20 SK_COMPILE_ASSERT(sizeof(RECT().left) == sizeof(SkIRect().fLeft), o5);
  21 SK_COMPILE_ASSERT(sizeof(RECT().top) == sizeof(SkIRect().fTop), o6);
  22 SK_COMPILE_ASSERT(sizeof(RECT().right) == sizeof(SkIRect().fRight), o7);
  23 SK_COMPILE_ASSERT(sizeof(RECT().bottom) == sizeof(SkIRect().fBottom), o8);
  24 SK_COMPILE_ASSERT(sizeof(RECT) == sizeof(SkIRect), o9);
  25
  26 }  // namespace
  27
  28 namespace skia {
  29
  30 POINT SkPointToPOINT(const SkPoint& point) {
  31   POINT win_point = {
  32       SkScalarRoundToInt(point.fX), SkScalarRoundToInt(point.fY)
  33   };
  34   return win_point;
  35 }
  36
  37 SkRect RECTToSkRect(const RECT& rect) {
  38   SkRect sk_rect = { SkIntToScalar(rect.left), SkIntToScalar(rect.top),
  39                      SkIntToScalar(rect.right), SkIntToScalar(rect.bottom) };
  40   return sk_rect;
  41 }
  42
  43 SkColor COLORREFToSkColor(COLORREF color) {
  44 #ifndef _MSC_VER
  45   return SkColorSetRGB(GetRValue(color), GetGValue(color), GetBValue(color));
  46 #else
  47   // ARGB = 0xFF000000 | ((0BGR -> RGB0) >> 8)
  48   return 0xFF000000u | (_byteswap_ulong(color) >> 8);
  49 #endif
  50 }
  51
  52 COLORREF SkColorToCOLORREF(SkColor color) {
  53 #ifndef _MSC_VER
  54   return RGB(SkColorGetR(color), SkColorGetG(color), SkColorGetB(color));
  55 #else
  56   // 0BGR = ((ARGB -> BGRA) >> 8)
  57   return (_byteswap_ulong(color) >> 8);
  58 #endif
  59 }
  60
  61 }  // namespace skia
  62