Screen-String/main.cpp at master · gkhcsc/Screen-String · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
int windowWidth		= 1000;
int windowHeight	=  50;
int fontSize		= 40;

#include <Windows.h>
#include <gdiplus.h>
using namespace Gdiplus;
#pragma comment (lib,"Gdiplus.lib")
int CenterWindowOnScreen_Y(int windowHeight);
int CenterWindowOnScreen_X(int windowWidth);
void DrawLineString(HWND hWnd, TCHAR* string, Color boderColor, Color fillColor, int flag); LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);
ATOM registeWndClass(HINSTANCE hInstance, LPCWSTR lpClassName, WNDPROC wndProc, DWORD dwColor);

INT WINAPI WinMain(HINSTANCE hInstance, HINSTANCE, PSTR, INT iCmdShow)
{
	HWND hWnd;
	MSG msg;

	GdiplusStartupInput gdiplusStartupInput;
	ULONG_PTR gdiplusToken;
	// Initialize GDI+.
	GdiplusStartup(&gdiplusToken, &gdiplusStartupInput, NULL);

	registeWndClass(hInstance, TEXT("GettingStarted"), WndProc, WHITE_BRUSH);

	hWnd = CreateWindowEx(
		WS_EX_LAYERED,
		TEXT("GettingStarted"), // window class name
		TEXT("Getting Started"), // window caption
		WS_OVERLAPPEDWINDOW, // window style
		CenterWindowOnScreen_X(windowWidth), // initial x position
		CenterWindowOnScreen_Y(windowHeight), // initial y position
		windowWidth, // initial x size
		windowHeight, // initial y size
		NULL, // parent window handle
		NULL, // window menu handle
		hInstance, // program instance handle
		NULL); // creation parameters
	ShowWindow(hWnd, iCmdShow);
	TCHAR string[] = { 0 };
	wcscpy(string, L"ÕâÊÇÒ»¸öÖÐÎÄ³¤ÎÄ");
	DrawLineString(hWnd, string, Color(255, 0, 255, 0), Color(255, 0, 255, 0),0);

	while (GetMessage(&msg, NULL, 0, 0))
	{
		TranslateMessage(&msg);
		DispatchMessage(&msg);
	}

	GdiplusShutdown(gdiplusToken);
	return msg.wParam;
} // WinMain

LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
	static int count = 0;

	TCHAR count_str[256];
	HDC hdc = GetDC(hWnd);
	Graphics g(hdc);

	switch (message)
	{
	case WM_CREATE:
		return 0;

	case WM_DESTROY:
		wsprintf(count_str, L"%d", count);
		MessageBox(0, count_str, 0, 0);
		PostQuitMessage(0);
		return 0;

	default:
		return DefWindowProc(hWnd, message, wParam, lParam);
	}
}

ATOM registeWndClass(HINSTANCE hInstance, LPCWSTR lpClassName, WNDPROC wndProc, DWORD dwColor)
{
	WNDCLASS wnd;
	wnd.cbClsExtra = 0;
	wnd.cbWndExtra = 0;
	wnd.hbrBackground = (HBRUSH)(GetStockObject(dwColor));
	wnd.hCursor = LoadCursor(NULL, IDC_ARROW);
	wnd.hIcon = LoadIcon(NULL, IDI_APPLICATION);
	wnd.lpfnWndProc = wndProc;
	wnd.lpszClassName = lpClassName;
	wnd.lpszMenuName = NULL;
	wnd.style = CS_HREDRAW;
	wnd.hInstance = hInstance;
	return RegisterClass(&wnd);

}

void DrawLineString(HWND hWnd, TCHAR* string, Color boderColor, Color fillColor,int flag)
{
	int					string_length = lstrlen(string);
	int					newWindowWidth = ((fontSize + 10) * string_length) * 2;
	int					newWindowHeight = fontSize + 10;
	int					x = 0;
	int					y = 0;
	HDC					hdc = GetDC(hWnd);
	HDC					memDC = CreateCompatibleDC(hdc);
	HBITMAP				bmp = CreateCompatibleBitmap(hdc, newWindowWidth, newWindowHeight);
	FontFamily			fontFamily(L"ºÚÌå");
	RectF				rectF(0, 0, newWindowWidth, newWindowHeight);
	StringFormat		stringFormat;
	GraphicsPath		strPath;
	Pen					pen(boderColor, 2);
	POINT				p2 = { 0,0 };
	SIZE				size = { newWindowWidth,newWindowHeight };
	BLENDFUNCTION		_blend;
	LinearGradientBrush LGBrush(Point(0, 10), Point(0, 0), fillColor, fillColor);


	SelectObject(memDC, bmp);
	Graphics			g(memDC);
	if (flag == 0)
	{
		stringFormat.SetAlignment(StringAlignmentCenter);
		strPath.AddString(string, string_length, &fontFamily, FontStyleBold, fontSize, rectF, &stringFormat);
		x = CenterWindowOnScreen_X(newWindowWidth);
		y = CenterWindowOnScreen_Y(newWindowHeight);
	}


	g.SetSmoothingMode(SmoothingModeAntiAlias);
	g.DrawPath(&pen, &strPath);
	g.FillPath(&LGBrush, &strPath);


	_blend.BlendFlags = 0;
	_blend.BlendOp = AC_SRC_OVER;
	_blend.SourceConstantAlpha = 255;
	_blend.AlphaFormat = AC_SRC_ALPHA;


	UpdateLayeredWindow(hWnd, hdc, NULL, &size, memDC, &p2, NULL, &_blend, ULW_ALPHA);
	SetWindowPos(hWnd, NULL, x, y, newWindowWidth, newWindowHeight, SWP_NOZORDER);
}

int CenterWindowOnScreen_X(int windowWidth)
{
	int screenWidth = GetSystemMetrics(SM_CXSCREEN);
	return (screenWidth - windowWidth) / 2;
}

int CenterWindowOnScreen_Y(int windowHeight)
{
	int screenHeight = GetSystemMetrics(SM_CYSCREEN);
	return (screenHeight - windowHeight) / 2;
}