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 <windows.h>
8
9#include "third_party/skia/include/core/SkRect.h"
10#include "third_party/skia/include/effects/SkGradientShader.h"
11
12namespace {
13
14template <bool>
15struct CompileAssert {
16};
17
18#undef COMPILE_ASSERT
19#define COMPILE_ASSERT(expr, msg) \
20  typedef CompileAssert<(bool(expr))> msg[bool(expr) ? 1 : -1]
21
22COMPILE_ASSERT(SK_OFFSETOF(RECT, left) == SK_OFFSETOF(SkIRect, fLeft), o1);
23COMPILE_ASSERT(SK_OFFSETOF(RECT, top) == SK_OFFSETOF(SkIRect, fTop), o2);
24COMPILE_ASSERT(SK_OFFSETOF(RECT, right) == SK_OFFSETOF(SkIRect, fRight), o3);
25COMPILE_ASSERT(SK_OFFSETOF(RECT, bottom) == SK_OFFSETOF(SkIRect, fBottom), o4);
26COMPILE_ASSERT(sizeof(RECT().left) == sizeof(SkIRect().fLeft), o5);
27COMPILE_ASSERT(sizeof(RECT().top) == sizeof(SkIRect().fTop), o6);
28COMPILE_ASSERT(sizeof(RECT().right) == sizeof(SkIRect().fRight), o7);
29COMPILE_ASSERT(sizeof(RECT().bottom) == sizeof(SkIRect().fBottom), o8);
30COMPILE_ASSERT(sizeof(RECT) == sizeof(SkIRect), o9);
31
32}  // namespace
33
34namespace skia {
35
36POINT SkPointToPOINT(const SkPoint& point) {
37  POINT win_point = { SkScalarRound(point.fX), SkScalarRound(point.fY) };
38  return win_point;
39}
40
41SkRect RECTToSkRect(const RECT& rect) {
42  SkRect sk_rect = { SkIntToScalar(rect.left), SkIntToScalar(rect.top),
43                     SkIntToScalar(rect.right), SkIntToScalar(rect.bottom) };
44  return sk_rect;
45}
46
47SkColor COLORREFToSkColor(COLORREF color) {
48#ifndef _MSC_VER
49  return SkColorSetRGB(GetRValue(color), GetGValue(color), GetBValue(color));
50#else
51  // ARGB = 0xFF000000 | ((0BGR -> RGB0) >> 8)
52  return 0xFF000000u | (_byteswap_ulong(color) >> 8);
53#endif
54}
55
56COLORREF SkColorToCOLORREF(SkColor color) {
57#ifndef _MSC_VER
58  return RGB(SkColorGetR(color), SkColorGetG(color), SkColorGetB(color));
59#else
60  // 0BGR = ((ARGB -> BGRA) >> 8)
61  return (_byteswap_ulong(color) >> 8);
62#endif
63}
64
65}  // namespace skia
66
67