静态控件背景透明

末蓝、 2021-09-22 08:50 412阅读 0赞

静态控件背景透明，能够完美的将字体显示到背景中去。  
在实际应用中也是非常常用的。

赶紧拿去学习吧。。。。。。。。

主要代码：

// TransparentWindow.cpp : Defines the entry point for the application.
    //
    
    
    /*
    // 静态控件背景透明化
    //By MoreWindows-(http://blog.csdn.net/MoreWindows)
    #include <windows.h>
    #include "resource.h"
    
    const char szDlgTitle[] = "静态控件背景透明化 MoreWindows-(http://blog.csdn.net/MoreWindows)";
    
    // 对话框消息处理函数
    BOOL CALLBACK DlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
    
    int APIENTRY WinMain(HINSTANCE hInstance,
    					 HINSTANCE hPrevInstance,
    					 LPSTR     lpCmdLine,
    					 int       nCmdShow)
    {
    	DialogBox(hInstance, MAKEINTRESOURCE(IDD_DIALOG1), NULL, DlgProc);
    	return 0;
    }
    
    
    BOOL CALLBACK DlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
    {
    	RECT       rcDialog;
    	HBITMAP    hBitmap;
    	static BITMAP s_bm;
    	static HDC    s_hdcMem;
    
    	switch (message)
    	{
    	case WM_INITDIALOG:
    		// 设置对话框标题
    		SetWindowText(hDlg, szDlgTitle);
    		// 设置对话框大小可调节
    		SetWindowLong(hDlg, GWL_STYLE, GetWindowLong(hDlg, GWL_STYLE) | WS_SIZEBOX);
    
    		// 加载背影图片
    		hBitmap = (HBITMAP)LoadImage(NULL, "006.bmp", IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE | LR_CREATEDIBSECTION);
    		if (hBitmap == NULL)
    		{
    			MessageBox(hDlg, "LoadImage failed", "Error", MB_ICONERROR);
    			exit(0);
    		}		
    		else
    		{
    			// 将背影图片放入HDC - s_hdcMem
    			HDC        hdc;
    			hdc = GetDC(hDlg);
    			s_hdcMem = CreateCompatibleDC(hdc);
    			SelectObject(s_hdcMem, hBitmap);	
    			ReleaseDC(hDlg, hdc);
    
    			// 得到位图信息
    			GetObject(hBitmap, sizeof(s_bm), &s_bm);
    		}
    
    		return 0;
    
    	case WM_COMMAND:
    		switch (LOWORD(wParam))
    		{
    		case IDCANCEL:
    			DeleteDC(s_hdcMem);
    			EndDialog(hDlg, LOWORD(wParam));
    			return TRUE;
    		}
    		break;
    
    
    	case WM_SIZE:
    		InvalidateRect(hDlg, NULL, TRUE);
    		return TRUE;
    
    
    	case WM_CTLCOLORDLG:
    		GetClientRect(hDlg, &rcDialog);
    		//通过SetStretchBltMode的设置能使StretchBlt在缩放图像更加清晰
    		SetStretchBltMode((HDC)wParam, COLORONCOLOR);
    		StretchBlt((HDC)wParam, 0, 0, rcDialog.right, rcDialog.bottom, s_hdcMem, 0, 0, s_bm.bmWidth, s_bm.bmHeight, SRCCOPY);	
    		return (BOOL)((HBRUSH)GetStockObject(NULL_BRUSH));
    	}
    	return FALSE;
    }
    */
    
    
    
    
    
    
    // 静态控件背景透明化1 WM_CTLCOLORSTATIC中返回空画刷
    //By MoreWindows-(http://blog.csdn.net/MoreWindows)
    #include <windows.h>
    #include "resource.h"
    
    const char szDlgTitle[] = "静态控件背景透明化1 MoreWindows-(http://blog.csdn.net/MoreWindows)";
    
    // 对话框消息处理函数
    BOOL CALLBACK DlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
              
    int APIENTRY WinMain(HINSTANCE hInstance,
                         HINSTANCE hPrevInstance,
                         LPSTR     lpCmdLine,
                         int       nCmdShow)
    {
    	DialogBox(hInstance, MAKEINTRESOURCE(IDD_DIALOG1), NULL, DlgProc);
    	return 0;
    }
    
    
    BOOL CALLBACK DlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
    {
    	RECT       rcDialog;
    	HBITMAP    hBitmap;
    	static BITMAP s_bm;
    	static HDC    s_hdcMem;
    
    	switch (message)
    	{
    	case WM_INITDIALOG:
    		// 设置对话框标题
    		SetWindowText(hDlg, szDlgTitle);
    		// 设置对话框大小可调节
    		SetWindowLong(hDlg, GWL_STYLE, GetWindowLong(hDlg, GWL_STYLE) | WS_SIZEBOX);
    
    		// 加载背影图片
    		hBitmap = (HBITMAP)LoadImage(NULL, "006.bmp", IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE | LR_CREATEDIBSECTION);
    		if (hBitmap == NULL)
    		{
    			MessageBox(hDlg, "LoadImage failed", "Error", MB_ICONERROR);
    			exit(0);
    		}		
    		else
    		{
    			// 将背影图片放入HDC - s_hdcMem
    			HDC        hdc;
    			hdc = GetDC(hDlg);
    			s_hdcMem = CreateCompatibleDC(hdc);
    			SelectObject(s_hdcMem, hBitmap);	
    			ReleaseDC(hDlg, hdc);
    
    			// 得到位图信息
    			GetObject(hBitmap, sizeof(s_bm), &s_bm);
    		}
    
    		return 0;
    
    	case WM_COMMAND:
    		switch (LOWORD(wParam))
    		{
    		case IDCANCEL:
    			DeleteDC(s_hdcMem);
    			EndDialog(hDlg, LOWORD(wParam));
    			return TRUE;
    		}
    		break;
    
    
    	case WM_SIZE:
    		InvalidateRect(hDlg, NULL, TRUE);
    		return TRUE;
    
     	case WM_CTLCOLORSTATIC:
     		SetBkMode((HDC)wParam, TRANSPARENT);
     		return (BOOL)((HBRUSH)GetStockObject(NULL_BRUSH));
    
    	case WM_CTLCOLORDLG:
    		GetClientRect(hDlg, &rcDialog);
    		//通过SetStretchBltMode的设置能使StretchBlt在缩放图像更加清晰
    		SetStretchBltMode((HDC)wParam, COLORONCOLOR);
    		StretchBlt((HDC)wParam, 0, 0, rcDialog.right, rcDialog.bottom, s_hdcMem, 0, 0, s_bm.bmWidth, s_bm.bmHeight, SRCCOPY);	
    		return (BOOL)((HBRUSH)GetStockObject(NULL_BRUSH));
    	}
    	return FALSE;
    }
    
    
    
    
    
    
    /*
    // 静态控件背景透明化2 - 在WM_CTLCOLORDLG返回窗口背景的位图画刷
    //By MoreWindows-(http://blog.csdn.net/MoreWindows)
    #include <windows.h>
    #include "resource.h"
    
    const char szDlgTitle[] = "静态控件背景透明化2 MoreWindows-(http://blog.csdn.net/MoreWindows)";
    
    
    // 对话框消息处理函数
    BOOL CALLBACK DlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
    
    int APIENTRY WinMain(HINSTANCE hInstance,
    					 HINSTANCE hPrevInstance,
    					 LPSTR     lpCmdLine,
    					 int       nCmdShow)
    {
    	DialogBox(hInstance, MAKEINTRESOURCE(IDD_DIALOG1), NULL, DlgProc);
    	return 0;
    }
    
    
    BOOL CALLBACK DlgProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
    {
    	static HBRUSH    s_hBitmapBrush; //位图画刷
    
    	switch (message)
    	{
    	case WM_INITDIALOG:
    		// 设置对话框标题
    		SetWindowText(hDlg, szDlgTitle);
    		// 设置对话框大小可调节
    		SetWindowLong(hDlg, GWL_STYLE, GetWindowLong(hDlg, GWL_STYLE) | WS_SIZEBOX);
    
    		// 加载背影图片
    		HBITMAP hBitmap;
    		hBitmap = (HBITMAP)LoadImage(NULL, "006.bmp", IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE | LR_CREATEDIBSECTION);
    		if (hBitmap == NULL)
    		{
    			MessageBox(hDlg, "LoadImage failed", "Error", MB_ICONERROR);
    			exit(0);
    		}		
    
    		// 创建位图画刷
    		s_hBitmapBrush = CreatePatternBrush(hBitmap);
    		return 0;
    
    
    	case WM_COMMAND:
    		switch (LOWORD(wParam))
    		{
    		case IDCANCEL:
    			DeleteObject(s_hBitmapBrush);
    			EndDialog(hDlg, LOWORD(wParam));
    			return TRUE;
    		}
    		break;
    
    	case WM_CTLCOLORSTATIC:
    		SetBkMode((HDC)wParam, TRANSPARENT);
    
    	case WM_CTLCOLORDLG:
    		return (BOOL)s_hBitmapBrush;
    	}
    	return FALSE;
    }
    */

效果图：

![20171009211430328][]

程序和源代码链接：

[http://download.csdn.net/download/zhangxiaoyu\_sy/9961978][http_download.csdn.net_download_zhangxiaoyu_sy_9961978]

[20171009211430328]: /images/20210920/7947ab49fa0d4435837788027b7828e3.png
[http_download.csdn.net_download_zhangxiaoyu_sy_9961978]: http://download.csdn.net/download/zhangxiaoyu_sy/9961978