ReactOS  0.4.13-dev-650-g34bf247
vbltest.c
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1 /*
2  * Tests various blit and blend operations with different src
3  * bit depths and scaling where possbile.
4  *
5  * Created by Gregor Schneider <grschneider AT gmail DOT com>, November 2008
6 */
7 
8 #include <windows.h>
9 #include <tchar.h>
10 
12  HDC hdcDst, int xDst, int yDst, int wDst, int hDst,
13  HDC hdcSrc, int xSrc, int ySrc, int wSrc, int hSrc,
14  BLENDFUNCTION blendFunction);
15 
17  HDC hdcDst, int xDst, int yDst, int wDst, int hDst,
18  HDC hdcSrc, int xSrc, int ySrc, int wSrc, int hSrc,
19  UINT crTransparent);
20 
21 #define CURRENT_BMPS 4
22 #define CURRENT_ICONS 1
23 #define SCALE 1.5
24 #define OFFSET 5
25 
27 TCHAR szWindowClass[] = _T("testclass");
28 
29 static LRESULT CALLBACK
31 {
32  static HBITMAP hbmList[CURRENT_BMPS];
33  static HICON hicList[CURRENT_ICONS];
34 
35  switch (message)
36  {
37  case WM_CREATE:
38  {
42  hbmList[3] = (HBITMAP)LoadImage(hInst, MAKEINTRESOURCE(2400), IMAGE_BITMAP, 0, 0, LR_DEFAULTCOLOR);
43  hicList[0] = (HICON)LoadIcon(hInst, MAKEINTRESOURCE(3200));
44  break;
45  }
46 
47  case WM_PAINT:
48  {
49  PAINTSTRUCT ps;
50  HDC hdc, hdcMem;
51  BITMAP bitmap;
52  BLENDFUNCTION bfunc;
53  int x = 0, y = 0, i;
54  hdc = BeginPaint(hWnd, &ps);
56 
57  bfunc.AlphaFormat = AC_SRC_ALPHA;
58  bfunc.BlendFlags = 0;
59  bfunc.BlendOp = AC_SRC_OVER;
60  bfunc.SourceConstantAlpha = 128;
61 
62  /* bitmaps */
63  for(i = 0; i < CURRENT_BMPS; i++)
64  {
65  y = 0;
66  SelectObject(hdcMem, hbmList[i]);
67  GetObject(hbmList[i], sizeof(BITMAP), &bitmap);
68 
69  /* bit blt */
70  BitBlt(hdc, x, y, bitmap.bmWidth, bitmap.bmHeight, hdcMem, 0, 0, SRCCOPY);
71  y += bitmap.bmHeight + OFFSET;
72 
73  /* stretch blt, org size */
74  StretchBlt(hdc, x, y, bitmap.bmWidth, bitmap.bmHeight, hdcMem, 0, 0, bitmap.bmWidth, bitmap.bmHeight, SRCCOPY);
75  y += bitmap.bmHeight + OFFSET;
76 
77  /* stretch blt, scaled */
78  StretchBlt(hdc, x, y, bitmap.bmWidth*SCALE, bitmap.bmHeight*SCALE, hdcMem, 0, 0, bitmap.bmWidth, bitmap.bmHeight, SRCCOPY);
79  y += bitmap.bmHeight*SCALE + OFFSET;
80 
81  /* transparent blt, transparency: grey */
82  GdiTransparentBlt(hdc, x, y, bitmap.bmWidth, bitmap.bmHeight, hdcMem, 0, 0, bitmap.bmWidth, bitmap.bmHeight, 128*256*256+128*256+128);
83  y += bitmap.bmHeight + OFFSET;
84 
85  /* transparent blt, transparency: grey, scaled */
86  GdiTransparentBlt(hdc, x, y, bitmap.bmWidth*SCALE, bitmap.bmHeight*SCALE, hdcMem, 0, 0, bitmap.bmWidth, bitmap.bmHeight, 128*256*256+128*256+128);
87  y += bitmap.bmHeight*SCALE + OFFSET;
88 
89  /* alpha blend, org size */
90  GdiAlphaBlend(hdc, x, y, bitmap.bmWidth, bitmap.bmHeight, hdcMem, 0, 0, bitmap.bmWidth, bitmap.bmHeight, bfunc);
91  y += bitmap.bmHeight + OFFSET;
92 
93  /* alpha blend, scaled */
94  GdiAlphaBlend(hdc, x, y, bitmap.bmWidth*SCALE, bitmap.bmHeight*SCALE, hdcMem, 0, 0, bitmap.bmWidth, bitmap.bmHeight, bfunc);
95  y += bitmap.bmHeight*SCALE + OFFSET;
96 
97  x += bitmap.bmWidth*SCALE + OFFSET;
98  }
99 
100  /* icons */
101  for(i = 0; i < CURRENT_ICONS; i++)
102  {
103  y = 0;
104  /* pure icon */
105  DrawIcon(hdc, x, y, hicList[i]);
106  y += bitmap.bmHeight + OFFSET;
107 
108  /* normal icon using Ex */
109  DrawIconEx(hdc, x, y, hicList[i], 0, 0, 0, NULL, DI_NORMAL);
110  y += bitmap.bmHeight + OFFSET;
111 
112  /* normal icon using Ex with bigger size */
113  DrawIconEx(hdc, x, y, hicList[i], bitmap.bmWidth, bitmap.bmHeight, 0, NULL, DI_NORMAL);
114  y += bitmap.bmHeight + OFFSET;
115 
116  /* only icon using Ex */
117  DrawIconEx(hdc, x, y, hicList[i], 0, 0, 0, NULL, DI_IMAGE);
118  y += bitmap.bmHeight + OFFSET;
119 
120  /* mask using Ex */
121  DrawIconEx(hdc, x, y, hicList[i], 0, 0, 0, NULL, DI_MASK);
122  y += bitmap.bmHeight + OFFSET;
123 
124  x += bitmap.bmWidth*SCALE + OFFSET;
125  }
126 
127  DeleteDC(hdcMem);
128  EndPaint(hWnd, &ps);
129  break;
130  }
131 
132  case WM_DESTROY:
133  PostQuitMessage(0);
134  break;
135  default:
137  }
138  return 0;
139 }
140 
141 
142 static ATOM
144 {
145  WNDCLASSEX wcex;
146 
147  wcex.cbSize = sizeof(WNDCLASSEX);
148 
149  wcex.style = CS_HREDRAW | CS_VREDRAW;
150  wcex.lpfnWndProc = WndProc;
151  wcex.cbClsExtra = 0;
152  wcex.cbWndExtra = 0;
153  wcex.hInstance = hInstance;
154  wcex.hIcon = NULL;
155  wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
156  wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
157  wcex.lpszMenuName = NULL;
159  wcex.hIconSm = NULL;
160 
161  return RegisterClassEx(&wcex);
162 }
163 
164 
165 static BOOL
167 {
168  HWND hWnd;
169 
170  hInst = hInstance;
171 
172  hWnd = CreateWindowEx(0,
174  _T("Various blit and blend operations"),
178  640,
179  640,
180  NULL,
181  NULL,
182  hInstance,
183  NULL);
184 
185  if (!hWnd)
186  {
187  return FALSE;
188  }
189 
190  ShowWindow(hWnd, nCmdShow);
192 
193  return TRUE;
194 }
195 
196 
197 int WINAPI
199  HINSTANCE hPrevInstance,
200  LPTSTR lpCmdLine,
201  int nCmdShow)
202 {
203  MSG msg;
204 
206 
207  if (!InitInstance(hInstance, nCmdShow))
208  {
209  return FALSE;
210  }
211 
212  while (GetMessage(&msg, NULL, 0, 0))
213  {
216  }
217 
218  return (int)msg.wParam;
219 }
TCHAR szWindowClass[]
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