Java RECT类代码示例

import com.sun.jna.platform.win32.WinDef.RECT; //导入依赖的package包/类
public BufferedImage capture(final HWND hWnd) {

        final HDC hdcWindow = User32.INSTANCE.GetDC(hWnd);
        final HDC hdcMemDC = GDI32.INSTANCE.CreateCompatibleDC(hdcWindow);

        final RECT bounds = new RECT();
        User32Extra.INSTANCE.GetClientRect(hWnd, bounds);

        final int width = bounds.right - bounds.left;
        final int height = bounds.bottom - bounds.top;
        if (width * height <= 0) { return null; }
        final HBITMAP hBitmap = GDI32.INSTANCE.CreateCompatibleBitmap(hdcWindow, width, height);

        final HANDLE hOld = GDI32.INSTANCE.SelectObject(hdcMemDC, hBitmap);
        GDI32Extra.INSTANCE.BitBlt(hdcMemDC, 0, 0, width, height, hdcWindow, 0, 0, WinGDIExtra.SRCCOPY);

        GDI32.INSTANCE.SelectObject(hdcMemDC, hOld);
        GDI32.INSTANCE.DeleteDC(hdcMemDC);

        final BITMAPINFO bmi = new BITMAPINFO();
        bmi.bmiHeader.biWidth = width;
        bmi.bmiHeader.biHeight = -height;
        bmi.bmiHeader.biPlanes = 1;
        bmi.bmiHeader.biBitCount = 32;
        bmi.bmiHeader.biCompression = WinGDI.BI_RGB;

        final Memory buffer = new Memory(width * height * 4);
        GDI32.INSTANCE.GetDIBits(hdcWindow, hBitmap, 0, height, buffer, bmi, WinGDI.DIB_RGB_COLORS);

        final BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
        image.setRGB(0, 0, width, height, buffer.getIntArray(0, width * height), 0, width);

        GDI32.INSTANCE.DeleteObject(hBitmap);
        User32.INSTANCE.ReleaseDC(hWnd, hdcWindow);

        return image;

    }
 

import com.sun.jna.platform.win32.WinDef.RECT; //导入依赖的package包/类
public static Rectangle getWindowRect(Pointer hWnd) throws JnaUtilException {
	if (hWnd == null) {
		throw new JnaUtilException(
				"Failed to getWindowRect since Pointer hWnd is null");
	}
	Rectangle result = null;
	RECT rect = new RECT();
	boolean rectOK = user32.GetWindowRect(hWnd, rect);
	if (rectOK) {
		int x = rect.left;
		int y = rect.top;
		int width = rect.right - rect.left;
		int height = rect.bottom - rect.top;
		result = new Rectangle(x, y, width, height);
	}

	return result;
}
 

import com.sun.jna.platform.win32.WinDef.RECT; //导入依赖的package包/类
/**
 * @param args (ignored)
 */
public static void main(String[] args)
{
	System.out.println("Installed Physical Monitors: " + User32.INSTANCE.GetSystemMetrics(WinUser.SM_CMONITORS));
	
	User32.INSTANCE.EnumDisplayMonitors(null, null, new MONITORENUMPROC() {

		@Override
		public int apply(HMONITOR hMonitor, HDC hdc, RECT rect, LPARAM lparam)
		{
			enumerate(hMonitor);

			return 1;
		}
		
	}, new LPARAM(0));
}
 

import com.sun.jna.platform.win32.WinDef.RECT; //导入依赖的package包/类
public MonitorControllerJna()
{
	System.out.println("Monitors: " + User32.INSTANCE.GetSystemMetrics(User32.SM_CMONITORS));
	
	User32.INSTANCE.EnumDisplayMonitors(null, null, new MONITORENUMPROC() {

		@Override
		public int apply(HMONITOR hMonitor, HDC hdc, RECT rect, LPARAM lparam)
		{
			System.out.println("Monitor handle: " + hMonitor);

			MONITORINFOEX info = new MONITORINFOEX();
			User32.INSTANCE.GetMonitorInfo(hMonitor, info);
			System.out.println(info.rcMonitor);
			
			DWORDByReference pdwNumberOfPhysicalMonitors = new DWORDByReference();
			Dxva2.INSTANCE.GetNumberOfPhysicalMonitorsFromHMONITOR(hMonitor, pdwNumberOfPhysicalMonitors);
			int monitorCount = pdwNumberOfPhysicalMonitors.getValue().intValue();
			
			System.out.println("Physical monitors for " + hMonitor + ": " + monitorCount);
			
			PHYSICAL_MONITOR[] physMons = new PHYSICAL_MONITOR[monitorCount];
			Dxva2.INSTANCE.GetPhysicalMonitorsFromHMONITOR(hMonitor, monitorCount, physMons);
			
			for (PHYSICAL_MONITOR mon : physMons)
			{
				String desc = new String(mon.szPhysicalMonitorDescription);
				monitors.add(new MonitorJna(mon.hPhysicalMonitor, desc));
			}
			
			return 1;
		}
	}, new LPARAM(0));
}
 

import com.sun.jna.platform.win32.WinDef.RECT; //导入依赖的package包/类
public WindowHolder(HWND parentWindow, RECT rect) {
	super();
	this.parentWindow = parentWindow;
	this.rect = rect;
}
 

import com.sun.jna.platform.win32.WinDef.RECT; //导入依赖的package包/类
@Override
public void update(float delta) {
	compWin.update(delta, window);
	if (run) {
		if (thumbnail.getValue() != 0)
			DWMapiExt.INSTANCE.DwmUnregisterThumbnail(new INT_PTR(thumbnail.getValue()));
		DWMapiExt.INSTANCE.DwmRegisterThumbnail(local, hwndWin, thumbnail);

		SIZE size = new SIZE();
		DWMapiExt.INSTANCE.DwmQueryThumbnailSourceSize(new INT_PTR(thumbnail.getValue()), size);
		size.read();
		float aspectX = (float) size.cx / (float) size.cy;
		float aspectY = (float) size.cy / (float) size.cx;

		DWM_THUMBNAIL_PROPERTIES props = new DWM_THUMBNAIL_PROPERTIES();
		props.dwFlags = DWM_TNP.DWM_TNP_VISIBLE | DWM_TNP.DWM_TNP_RECTDESTINATION | DWM_TNP.DWM_TNP_OPACITY;

		props.fVisible = true;
		props.opacity = (byte) 0xFF;

		props.rcDestination = new RECT();
		if (size.cx > size.cy) {
			props.rcDestination.left = 5;
			props.rcDestination.top = 100 - (int) (190 / aspectX / 2);
			props.rcDestination.right = props.rcDestination.left + 190;
			props.rcDestination.bottom = props.rcDestination.top + (int) (190 / aspectX);
		} else {
			props.rcDestination.left = 100 - (int) (190 / aspectY / 2);
			props.rcDestination.top = 5;
			props.rcDestination.right = props.rcDestination.left + (int) (190 / aspectY);
			props.rcDestination.bottom = props.rcDestination.top + 190;
		}

		props.write();
		DWMapiExt.INSTANCE.DwmUpdateThumbnailProperties(new INT_PTR(thumbnail.getValue()), props);
		//DWMapiExt.INSTANCE.InvokeAeroPeek(true, hwndWin, local, 3, new INT_PTR(32), 0x3244);
		//DWMapiExt.INSTANCE.DwmpActivateLivePreview(1, hwndWin, local, 1);
		TaskManager.addTask(() -> window.setVisible(true));
		run = false;
	}
}
 

import com.sun.jna.platform.win32.WinDef.RECT; //导入依赖的package包/类
/**
 * Searches a rectangle of pixels for the pixel color provided.
 * 
 * @param left
 *            left coordinate of rectangle.
 * @param top
 *            top coordinate of rectangle.
 * @param right
 *            right coordinate of rectangle.
 * @param bottom
 *            bottom coordinate of rectangle.
 * @param color
 *            Colour value of pixel to find (in decimal or hex).
 * @param shadeVariation
 *            A number between 0 and 255 to indicate the allowed number of
 *            shades of variation of the red, green, and blue components of
 *            the colour. Default is 0 (exact match).
 * @param step
 *            Instead of searching each pixel use a value larger than 1 to
 *            skip pixels (for speed). E.g. A value of 2 will only check
 *            every other pixel. Default is 1.
 * @return Return a 2 element array containing the pixel's coordinates if
 *         success, return null if color is not found.
 */
public static int[] search(final int left, final int top, final int right,
		final int bottom, final int color, Integer shadeVariation,
		Integer step) {
	final POINT point = new POINT();

	if ((shadeVariation == null) || (shadeVariation < 0)
			|| (shadeVariation > 255)) {
		shadeVariation = 0;
	}
	if ((step == null) || (step <= 0)) {
		step = DEFAULT_STEP;
	}

	RECT rect = new RECT();
	rect.left = left;
	rect.top = top;
	rect.right = right;
	rect.bottom = bottom;
	autoItX.AU3_PixelSearch(rect, color, shadeVariation, step, point);

	return hasError() ? null : new int[] { point.x, point.y };
}
 

import com.sun.jna.platform.win32.WinDef.RECT; //导入依赖的package包/类
public Rectangle getHSWindowBounds() {
    RECT bounds = new RECT();
    User32Extra.INSTANCE.GetWindowRect(windowHandle, bounds);
    return bounds.toRectangle();
}
 

import com.sun.jna.platform.win32.WinDef.RECT; //导入依赖的package包/类
/**
 * Retrieves the size of a given window's client area.
 * 
 * If the window is minimized, the returned height is null. However,
 * getClientSize works correctly on (non-minimized) hidden windows. If the
 * window title "Program Manager" is used, the function will return the size
 * of the desktop. getClientSize("") matches the active window. If multiple
 * windows match the criteria, the most recently active window is used.
 * 
 * @param title
 *            The title of the window to read.
 * @param text
 *            The text of the window to read.
 * @return Returns the size of the window's client area if success, returns
 *         null if windows is not found or window is minimized.
 */
public static int[] getClientSize(final String title, final String text) {
	int[] clientSize = null;
	if (!minimized(title, text)) {
		RECT rect = new RECT();
		autoItX.AU3_WinGetClientSize(stringToWString(defaultString(title)),
				stringToWString(text), rect);
		if (!hasError()) {
			clientSize = new int[] { rect.right - rect.left,
					rect.bottom - rect.top };
		}
	}
	return clientSize;
}
 

import com.sun.jna.platform.win32.WinDef.RECT; //导入依赖的package包/类
/**
 * Retrieves the position of a given window.
 * 
 * getPos returns null for minimized windows, but works fine with
 * (non-minimized) hidden windows. If the window title "Program Manager" is
 * used, the function will return [0, 0]. If multiple windows match the
 * criteria, the most recently active window is used.
 * 
 * @param title
 *            The title of the window to read.
 * @param text
 *            The text of the window to read.
 * @return Returns the position of the window if success, return null if
 *         windows is not found or window is minimized.
 */
public static int[] getPos(final String title, final String text) {
	int[] pos = null;
	if (!Win.minimized(title, text)) {
		RECT rect = new RECT();
		autoItX.AU3_WinGetPos(stringToWString(defaultString(title)),
				stringToWString(text), rect);
		if (!hasError()) {
			pos = new int[] { rect.left, rect.top };
		}
	}

	return pos;
}
 

import com.sun.jna.platform.win32.WinDef.RECT; //导入依赖的package包/类
/**
 * Retrieves the size of a given window.
 * 
 * getSize returns null for minimized windows, but works fine with
 * (non-minimized) hidden windows. If the window title "Program Manager" is
 * used, the function will return the size of the desktop. If multiple
 * windows match the criteria, the most recently active window is used.
 * 
 * @param title
 *            The title of the window to read.
 * @param text
 *            The text of the window to read.
 * @return Returns the size of the window if success, returns null if
 *         windows is not found or window is minimized.
 */
public static int[] getSize(final String title, final String text) {
	int[] size = null;
	if (!minimized(title, text)) {
		RECT rect = new RECT();
		autoItX.AU3_WinGetPos(stringToWString(defaultString(title)),
				stringToWString(text), rect);
		if (!hasError()) {
			size = new int[] { rect.right - rect.left,
					rect.bottom - rect.top };
		}
	}
	return size;
}
 

import com.sun.jna.platform.win32.WinDef.RECT; //导入依赖的package包/类
/**
 * Generates a checksum for a region of pixels.
 * 
 * Performing a checksum of a region is very time consuming, so use the
 * smallest region you are able to reduce CPU load. On some machines a
 * checksum of the whole screen could take many seconds!
 * 
 * A checksum only allows you to see if "something" has changed in a region
 * - it does not tell you exactly what has changed.
 * 
 * When using a step value greater than 1 you must bear in mind that the
 * checksumming becomes less reliable for small changes as not every pixel
 * is checked.
 * 
 * @param left
 *            left coordinate of rectangle.
 * @param top
 *            top coordinate of rectangle.
 * @param right
 *            right coordinate of rectangle.
 * @param bottom
 *            bottom coordinate of rectangle.
 * @param step
 *            Instead of checksumming each pixel use a value larger than 1
 *            to skip pixels (for speed). E.g. A value of 2 will only check
 *            every other pixel. Default is 1.
 * @return Returns the checksum value of the region.
 */
public static int checksum(final int left, final int top, final int right,
		final int bottom, Integer step) {
	if ((step == null) || (step <= 0)) {
		step = DEFAULT_STEP;
	}
	RECT rect = new RECT();
	rect.left = left;
	rect.top = top;
	rect.right = right;
	rect.bottom = bottom;
	return autoItX.AU3_PixelChecksum(rect, step);
}
 

import com.sun.jna.platform.win32.WinDef.RECT; //导入依赖的package包/类
/**
 * Retrieves the position of a control relative to it's window.
 * 
 * When using a control name in the Control functions, you need to add a
 * number to the end of the name to indicate which control. For example, if
 * there two controls listed called "MDIClient", you would refer to these as
 * "MDIClient1" and "MDIClient2".
 * 
 * @param title
 *            The title of the window to access.
 * @param text
 *            The text of the window to access.
 * @param control
 *            The control to interact with.
 * @return Returns the position of the control if success, returns null if
 *         failed.
 */
public static int[] getPos(final String title, final String text,
		final String control) {
	RECT rect = new RECT();
	autoItX.AU3_ControlGetPos(stringToWString(defaultString(title)),
			stringToWString(text), stringToWString(defaultString(control)),
			rect);

	return hasError() ? null : new int[] { rect.left, rect.top };
}
 

import com.sun.jna.platform.win32.WinDef.RECT; //导入依赖的package包/类
/**
 * Retrieves the size of a control.
 * 
 * When using a control name in the Control functions, you need to add a
 * number to the end of the name to indicate which control. For example, if
 * there two controls listed called "MDIClient", you would refer to these as
 * "MDIClient1" and "MDIClient2".
 * 
 * @param title
 *            The title of the window to access.
 * @param text
 *            The text of the window to access.
 * @param control
 *            The control to interact with.
 * @return Returns the size of the control if success, returns null if
 *         failed.
 */
public static int[] getSize(final String title, final String text,
		final String control) {
	RECT rect = new RECT();
	autoItX.AU3_ControlGetPos(stringToWString(defaultString(title)),
			stringToWString(text), stringToWString(defaultString(control)),
			rect);

	return hasError() ? null : new int[] { rect.right - rect.left,
			rect.bottom - rect.top };
}
 

import com.sun.jna.platform.win32.WinDef.RECT; //导入依赖的package包/类
private static BufferedImage capture(HWND hWnd) throws WindowNotFoundException {

    HDC hdcWindow = User32.INSTANCE.GetDC(hWnd);
    HDC hdcMemDC = GDI32.INSTANCE.CreateCompatibleDC(hdcWindow);

    RECT bounds = new RECT();
    User32Extra.INSTANCE.GetClientRect(hWnd, bounds);

    int width = bounds.right - bounds.left;
    int height = bounds.bottom - bounds.top;
    
    if(width == 0 || height == 0) throw new peeknick.errormanager.WindowNotFoundException();

    HBITMAP hBitmap = GDI32.INSTANCE.CreateCompatibleBitmap(hdcWindow, width, height);

    HANDLE hOld = GDI32.INSTANCE.SelectObject(hdcMemDC, hBitmap);
    GDI32Extra.INSTANCE.BitBlt(hdcMemDC, 0, 0, width, height, hdcWindow, 0, 0, WinGDIExtra.SRCCOPY);

    GDI32.INSTANCE.SelectObject(hdcMemDC, hOld);
    GDI32.INSTANCE.DeleteDC(hdcMemDC);

    BITMAPINFO bmi = new BITMAPINFO();
    bmi.bmiHeader.biWidth = width;
    bmi.bmiHeader.biHeight = -height;
    bmi.bmiHeader.biPlanes = 1;
    bmi.bmiHeader.biBitCount = 32;
    bmi.bmiHeader.biCompression = WinGDI.BI_RGB;

    Memory buffer = new Memory(width * height * 4);
    GDI32.INSTANCE.GetDIBits(hdcWindow, hBitmap, 0, height, buffer, bmi, WinGDI.DIB_RGB_COLORS);

    BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
    image.setRGB(0, 0, width, height, buffer.getIntArray(0, width * height), 0, width);

    GDI32.INSTANCE.DeleteObject(hBitmap);
    User32.INSTANCE.ReleaseDC(hWnd, hdcWindow);

    return image;

  }