win32自繪按鈕，使用GDI+（三），win32gdi
解決前面的問題。實現鼠標移動進入到按鈕的特效。
效果是這樣的
鼠標移到按鈕上，改變按鈕的顏色（這裡用的是直接換貼在按鈕上的圖片）
程序運行
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1 #ifndef ULONG_PTR
2 //#define ULONG_PTR unsigned long*
3 #endif
4 #include <windows.h>
5 #define _WIN32_WINNT 0x0500
6 #include<Winuser.h >
7 //#include <objidl.h>
8 #include<tchar.h>
9 #include<stdlib.h>
10 #include <gdiplus.h>
11 #include"resource.h"
12 using namespace Gdiplus;
13 #pragma comment (lib,"Gdiplus.lib")
14 #define ID_BUTTON1 1
15 #define ID_BUTTON2 2
16 #define ID_MAINPAGE 3
17 //
18 #define IDM_MAINPAGE 10
19 #define IDM_REFRESH 11
20
21 HINSTANCE hInst;
22 HMENU hMenu1;
23 WNDPROC oldBtnProc;
24 BOOL btnEntry=FALSE;
25 void DrawRegn(HDC hdc)
26 {
27
28 }
29
30
31 void DrawIco(HDC hdc)
32 {
33 Graphics graphics(hdc);
34 Pen pen1(Color(255,248,0,0),2);
35 Pen pen2(Color(255,0,255,0),2);
36 Pen pen3(Color(255,43,102,149),2);
37 graphics.DrawEllipse(&pen1,3,3,14,14);
38 graphics.DrawEllipse(&pen2,10,10,14,14);
39 graphics.DrawEllipse(&pen3,13,3,14,14);//calc
40 //text
41 HFONT hOldFont;
42 HFONT hFont = CreateFont(20,9,0,0,0,0,0,0,OEM_CHARSET,OUT_DEFAULT_PRECIS,
43 CLIP_DEFAULT_PRECIS,DEFAULT_QUALITY,DEFAULT_PITCH |FF_SCRIPT,"script" );
44 hOldFont = (HFONT)SelectObject(hdc,hFont);
45 SetTextColor(hdc,RGB(200,200,50));//
46 SetBkMode(hdc,TRANSPARENT);
47 TextOut(hdc,30,3,"www.cnblogs.com",sizeof("www.cnblogs.com")-1);//calc
48 SelectObject(hdc,hOldFont);
49 DeleteObject(hFont);
50 }
51 void LoadBkImge(HDC hdc)
52 {
53 Graphics graphics(hdc);
54 Image image(L"pic1.png");
55 graphics.DrawImage(&image,0,0);
56 }
57
58
59 void FillRec(HDC hdc,Rect myRect,Color* colors,float *positions,int i)
60 {
61 Graphics graphics(hdc);
62 //多彩漸變色
63 LinearGradientBrush myLinearGradientBrush(
64 myRect,
65 Color(255,255,255,0),
66 Color(255,255,0,0),
67 LinearGradientModeVertical
68 );//LinearGradientModeHorizontal*/
69
70 myLinearGradientBrush.SetInterpolationColors(colors, positions, i);
71 graphics.FillRectangle(&myLinearGradientBrush,myRect);
72 }
73
74 LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
75 LRESULT CALLBACK BtnProc(HWND hwnd,UINT uMsg,WPARAM wParam,LPARAM lParam);
76
77 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE, PSTR, INT iCmdShow)
78 {
79 HWND hWnd;
80 MSG msg;
81 WNDCLASS wndClass;
82 GdiplusStartupInput gdiplusStartupInput;
83 ULONG_PTR gdiplusToken;
84 hInst=hInstance;
85
86 // Initialize GDI+.
87 GdiplusStartup(&gdiplusToken, &gdiplusStartupInput, NULL);
88
89 wndClass.style = CS_HREDRAW | CS_VREDRAW|DS_CENTER;
90 wndClass.lpfnWndProc = WndProc;
91 wndClass.cbClsExtra = 0;
92 wndClass.cbWndExtra = 0;
93 wndClass.hInstance = hInstance;
94 wndClass.hIcon = LoadIcon(NULL, IDI_APPLICATION);
95 wndClass.hCursor = LoadCursor(NULL, IDC_ARROW);
96 wndClass.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);
97 wndClass.lpszMenuName = NULL;
98 wndClass.lpszClassName = TEXT("Gdiplustest");
99
100 RegisterClass(&wndClass);
101 hWnd = CreateWindow(
102 TEXT("Gdiplustest"),
103 TEXT("Gdiplustest"),
104 WS_OVERLAPPED|WS_POPUP,
105 CW_USEDEFAULT,
106 CW_USEDEFAULT,
107 400,
108 250,
109 NULL,
110 NULL,
111 hInstance,
112 NULL);
113
114 ShowWindow(hWnd, iCmdShow);
115 UpdateWindow(hWnd);
116
117 while(GetMessage(&msg, NULL, 0, 0))
118 {
119 TranslateMessage(&msg);
120 DispatchMessage(&msg);
121 }
122
123 GdiplusShutdown(gdiplusToken);
124 return msg.wParam;
125 }
126
127 LRESULT CALLBACK WndProc(HWND hWnd, UINT message,
128 WPARAM wParam, LPARAM lParam)
129 {
130 static HDC hdc;
131 static HWND hButton1,hButton2,hMainPage;
132 PAINTSTRUCT ps;
133 LPDRAWITEMSTRUCT pdis;
134
135 switch(message)
136 {
137 case WM_CREATE:
138 {
139 hdc=GetDC(hWnd);
140 //窗口居中顯示
141 int scrWidth,scrHeight;
142 RECT rect;
143 scrWidth=GetSystemMetrics(SM_CXSCREEN);
144 scrHeight=GetSystemMetrics(SM_CYSCREEN);
145 GetWindowRect(hWnd,&rect);
146 rect.left=(scrWidth-rect.right)/2;
147 rect.top=(scrHeight-rect.bottom)/2;
148 SetWindowPos(hWnd,HWND_TOP,rect.left,rect.top,rect.right,rect.bottom,SWP_SHOWWINDOW);
149 hButton1=CreateWindow("button","",WS_CHILD|WS_VISIBLE|BS_OWNERDRAW,355,5,15,15,hWnd,(HMENU)ID_BUTTON1,hInst,NULL);
150 hButton2=CreateWindow("button","",WS_CHILD|WS_VISIBLE|BS_OWNERDRAW,380,5,15,15,hWnd,(HMENU)ID_BUTTON2,hInst,NULL);
151 //
152 hMainPage=CreateWindow("button","",WS_CHILD|WS_VISIBLE|BS_OWNERDRAW,10,32,20,20,hWnd,(HMENU)ID_MAINPAGE,hInst,NULL);
153 oldBtnProc=(WNDPROC)SetWindowLong(hMainPage,GWL_WNDPROC,(long)BtnProc);
154 //
159 return 0;
160 }
161 case WM_SIZE:
162 return 0;
163 case WM_PAINT:
164 {
165 hdc = BeginPaint(hWnd, &ps);
166
167 Graphics graphics(hdc);
168 //LoadBkImge(hdc);
169 //標題欄
170 Rect myRect(0,0,400,25);
171 Color colors[]={
172 Color(255,255,255),
173 Color(247,251,255),
174 Color(239,239,247),
175 Color(222,227,231),
176 Color(231,235,239),
177 Color(214,219,222)
178 };
179 float positions[]={
180 0.0f,
181 0.2f,
182 0.4f,
183 0.6f,
184 0.8f,
185 1.0f
186 };
187 FillRec(hdc,myRect,colors,positions,6);
188 //菜單欄
189 Rect myRect1(0,26,400,30);
190 Color colors1[]={
191 Color(251,231,252),
192 Color(199,222,251),
193 Color(181,211,251),
194 Color(162,201,250),
195 Color(139,188,250),
196 Color(120,178,250)
197 };
198 float positions1[]={
199 0.0f,
200 0.2f,
201 0.4f,
202 0.6f,
203 0.8f,
204 1.0f
205 };
206 FillRec(hdc,myRect1,colors1,positions1,6);
207 /*SolidBrush brush11(Color(255,240,240,240));
208 graphics.FillRectangle(&brush11,myRect1);*/
209
210 Pen pen1(Color(255,255,255,255));
211 Pen pen2(Color(255,160,160,160));
212 Pen pen3(Color(255,181,178,181));
213 Pen pen4(Color(255,255,0,0));
214 {
215 graphics.DrawLine(&pen1,0,0,400,0);
216 graphics.DrawLine(&pen2,0,1,400,1);
217 graphics.DrawLine(&pen4,0,25,400,25);
218 }
219 {
220 graphics.DrawLine(&pen1,0,250,400,250);
221 graphics.DrawLine(&pen2,0,249,400,249);
222 graphics.DrawLine(&pen1,0,248,400,248);
223 }
224 {
225 graphics.DrawLine(&pen1,0,0,0,250);
226 graphics.DrawLine(&pen2,1,0,1,250);
227 }
228 {
229 graphics.DrawLine(&pen1,400,0,400,250);
230 graphics.DrawLine(&pen2,399,0,399,250);
231 graphics.DrawLine(&pen1,398,2,398,250);
232 }
233 //菜單欄
234 graphics.DrawLine(&pen1,0,56,400,56);
235 graphics.DrawLine(&pen3,0,57,400,57);
236
237 DrawIco(hdc);
238 EndPaint(hWnd, &ps);
239 return 0;
240 }
241 case WM_CTLCOLORBTN:
242 {
243 HBRUSH hBrush;
244 //hBrush = CreateSolidBrush(RGB(255, 0, 0));
245 hBrush=(HBRUSH)GetStockObject(NULL_BRUSH);
246 return (long)hBrush;
247 }
248
249 case WM_COMMAND:
250 {
251 switch(wParam)
252 {
253 case ID_BUTTON1:
254 {
255 ShowWindow(hWnd,SW_SHOWMINIMIZED);
256 break;
257 }
258 case ID_BUTTON2:
259 {
260 PostQuitMessage(0);
261 break;
262 }
263 case ID_MAINPAGE:
264 {
265 POINT pt;
266 pt.x=10;
267 pt.y=52;
274 break;
275 }
276 //
277 }
278
279 return 0;
280
281 }
282
283 case WM_DRAWITEM:
284 {
285
286 pdis=(LPDRAWITEMSTRUCT)lParam;
287 //SetBkMode(pdis->hDC, TRANSPARENT );
288 //FillRect(pdis->hDC,&pdis->rcItem,(HBRUSH)GetStockObject(NULL));
289 //FrameRect(pdis->hDC,&pdis->rcItem,(HBRUSH)GetStockObject(BLACK_BRUSH));
290
291 int cx=pdis->rcItem.right-pdis->rcItem.bottom;
292 int cy=pdis->rcItem.bottom-pdis->rcItem.top;
293
294
295 switch(pdis->CtlID)
296 {
297
298 case ID_BUTTON1:
299 {
300 Graphics graphics(pdis->hDC);
301 Rect rectt(0,0,40,30);
302 Color colors[]={
303 Color(247,251,255),
304 Color(239,239,247),
305 Color(222,227,231),
306 Color(231,235,239),
307 };
308 float positions[]={
309 0.0f,
310 0.333333f,
311 0.666666f,
312 1.0f
313 };
314 //FillRec(pdis->hDC,rectt,colors,positions,4);
315 {
316 SolidBrush m_pBrush(Color(255,0,0,0));
317 PointF point1(3.0f, 6.5f);
318 PointF point2(12.0f, 6.5f);
319 PointF point3(12.0f, 8.50f);
320 PointF point4(3.0f, 8.50f);
321 PointF points[4] = {point1, point2, point3,point4};
322 graphics.FillPolygon(&m_pBrush, points, 4, FillModeAlternate);
323 }
324
325 break;
326 }
327
328 case ID_BUTTON2:
329 {
330 Graphics graphics(pdis->hDC);
331 Rect rectt(0,0,40,30);
332 Color colors[]={
333 Color(247,251,255),
334 Color(239,239,247),
335 Color(222,227,231),
336 Color(231,235,239),
337 };
338 float positions[]={
339 0.0f,
340 0.33333f,
341 0.66633f,
342 1.0f
343 };
344 //FillRec(pdis->hDC,rectt,colors,positions,4);
345
346 SolidBrush m_pBrush(Color(255,0,0,0));
347 //
348 PointF point1(2.0f, 4.0f);
349 PointF point2(4.0f, 2.0f);
350 PointF point3(13.0f, 11.0f);
351 PointF point4(11.0f, 13.0f);
352 PointF points[4] = {point1, point2, point3,point4};
353 graphics.FillPolygon(&m_pBrush, points, 4, FillModeAlternate);
354 //
355 PointF point5(13.0f, 4.0f);
356 PointF point6(11.0f, 2.0f);
357 PointF point7(2.0f, 11.0f);
358 PointF point8(4.0f, 13.0f);
359
360 PointF points2[4] = {point5, point6, point7,point8 };
361 graphics.FillPolygon(&m_pBrush, points2, 4, FillModeAlternate);
362 break;
363 }
364 case ID_MAINPAGE:
365 {
387 if(btnEntry==TRUE)
388 {
389 //bitmap2.png
390 Graphics graphics( pdis->hDC);
391 Image image(L"bitmap2.png", FALSE);
392 graphics.DrawImage(&image, 0,0);
393 }
394 else
395 {
396 Graphics graphics( pdis->hDC);
397 Image image(L"bitmap.png", FALSE);
398 graphics.DrawImage(&image, 0,0);
399
400 }
401
402 //TransparentBitmap(pdis->hDC,hBitmap1,-5,-5,20,20,RGB(255,255,255));
403 //ReleaseDC(
404 break;
405 }
406
407 }
408 //
409
410
411 if (pdis->itemState & ODS_SELECTED)
412 {
413 Graphics graphics(hdc);
414 SolidBrush brush2(Color(255,255,0,0));
415 //graphics.FillPolygon(&brush2,pointt,7,FillModeAlternate);
416
417 //InvertRect (pdis->hDC, &pdis->rcItem) ;
418 }
419
420 // Draw a focus rectangle if the button has the focus
421
422 if (pdis->itemState & ODS_FOCUS)
423 {
424 pdis->rcItem.left += cx / 16 ;
425 pdis->rcItem.top += cy / 16 ;
426 pdis->rcItem.right -= cx / 16 ;
427 pdis->rcItem.bottom -= cy / 16 ;
428
429 DrawFocusRect (pdis->hDC, &pdis->rcItem) ;
430 }
431 return 0 ;
432 }
433
434 case WM_DESTROY:
435 PostQuitMessage(0);
436 return 0;
437 case WM_LBUTTONDOWN:
438 SendMessage(hWnd,WM_NCLBUTTONDOWN,HTCAPTION,0);
439 return 0;
440 default:
441 return DefWindowProc(hWnd, message, wParam, lParam);
442 }
443 }
444
445 LRESULT CALLBACK BtnProc(HWND hwnd,UINT uMsg,WPARAM wParam,LPARAM lParam)
446 {
447 switch(uMsg)
448 {
449 case WM_MOUSEMOVE:
450 {
451 if(btnEntry == FALSE)
452 {
453 TRACKMOUSEEVENT tme;
454 tme.cbSize = sizeof(TRACKMOUSEEVENT);
455 tme.dwFlags = TME_HOVER | TME_LEAVE;
456 tme.dwHoverTime = 1;
457 tme.hwndTrack = hwnd;
458 TrackMouseEvent(&tme);
459 }
460 break;
461 }
462 case WM_MOUSEHOVER:
463 {
464 btnEntry = TRUE;
465 InvalidateRect(hwnd,NULL,TRUE);
466 UpdateWindow(hwnd);
467 break;
468 }
469 case WM_MOUSELEAVE:
470 {
471 btnEntry = FALSE;
472 InvalidateRect(hwnd,NULL,TRUE);
473 UpdateWindow(hwnd);
474 break;
475 }
476 default:return CallWindowProc(oldBtnProc,hwnd,uMsg,wParam,lParam);
477 }
478 }
479
程序的瑕疵比較多的，但至少實現了功能，以後私底下慢慢完善吧。再封裝一下。並且，關於GDI+和自繪按鈕就學到這。以後寫程序的時候，這個就是起點了，需要實現其他的效果，再研究
