Java 类com.sun.jna.platform.win32.WinDef.HICON 实例源码

/**
 * Gets the icon that corresponds to a given icon handler.
 * 
 * @param hIcon
 *            Handler to the icon to get
 * @return The icon that corresponds to a given icon handler
 */
public static BufferedImage getIcon(final HICON hIcon) {
    final int width = ICON_SIZE;
    final int height = ICON_SIZE;
    final short depth = ICON_DEPTH;
    final BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);

    final Memory lpBitsColor = new Memory(width * height * depth / ICON_BYTE_SIZE);
    final Memory lpBitsMask = new Memory(width * height * depth / ICON_BYTE_SIZE);
    final BITMAPINFO info = new BITMAPINFO();
    final BITMAPINFOHEADER hdr = new BITMAPINFOHEADER();
    info.bmiHeader = hdr;
    hdr.biWidth = width;
    hdr.biHeight = height;
    hdr.biPlanes = 1;
    hdr.biBitCount = depth;
    hdr.biCompression = WinGDI.BI_RGB;

    final HDC hDC = User32.INSTANCE.GetDC(null);
    final ICONINFO piconinfo = new ICONINFO();
    User32.INSTANCE.GetIconInfo(hIcon, piconinfo);

    GDI32.INSTANCE.GetDIBits(hDC, piconinfo.hbmColor, 0, height, lpBitsColor, info, WinGDI.DIB_RGB_COLORS);
    GDI32.INSTANCE.GetDIBits(hDC, piconinfo.hbmMask, 0, height, lpBitsMask, info, WinGDI.DIB_RGB_COLORS);

    int r, g, b, a, argb;
    int x = 0, y = height - 1;
    for (int i = 0; i < lpBitsColor.size(); i = i + 3) {
        b = lpBitsColor.getByte(i) & 0xFF;
        g = lpBitsColor.getByte(i + 1) & 0xFF;
        r = lpBitsColor.getByte(i + 2) & 0xFF;
        a = 0xFF - lpBitsMask.getByte(i) & 0xFF;

        argb = a << 24 | r << 16 | g << 8 | b;
        image.setRGB(x, y, argb);
        x = (x + 1) % width;
        if (x == 0) {
            y--;
        }
    }

    User32.INSTANCE.ReleaseDC(null, hDC);
    GDI32.INSTANCE.DeleteObject(piconinfo.hbmColor);
    GDI32.INSTANCE.DeleteObject(piconinfo.hbmMask);

    return image;
}

public static BufferedImage getImageByHICON(final int width, final int height, final HANDLE hicon, final BITMAPINFOHEADER info) {
    final IconInfo iconinfo = new org.appwork.jna.winapi.structs.IconInfo();

    try {
        // GDI32 g32 = GDI32.INSTANCE;

        // get icon information

        if (!User.I.GetIconInfo(new HICON(hicon.getPointer()), iconinfo)) { return null; }
        final HWND hwdn = new HWND();
        final HDC dc = User32.INSTANCE.GetDC(hwdn);

        if (dc == null) {

        return null; }
        try {
            final int nBits = width * height * 4;
            // final BitmapInfo bmi = new BitmapInfo(1);

            final Memory colorBitsMem = new Memory(nBits);
            // // Extract the color bitmap
            final BITMAPINFO bmi = new WinGDI.BITMAPINFO();

            bmi.bmiHeader.biWidth = width;
            bmi.bmiHeader.biHeight = -height;
            bmi.bmiHeader.biPlanes = 1;
            bmi.bmiHeader.biBitCount = 32;
            bmi.bmiHeader.biCompression = WinGDI.BI_RGB;
            GDI32.INSTANCE.GetDIBits(dc, iconinfo.hbmColor, 0, height, colorBitsMem, bmi, WinGDI.DIB_RGB_COLORS);
            // g32.GetDIBits(dc, iconinfo.hbmColor, 0, size, colorBitsMem,
            // bmi,
            // GDI32.DIB_RGB_COLORS);
            final int[] colorBits = colorBitsMem.getIntArray(0, width * height);
            if (info.biBitCount < 32) {
                final Memory maskBitsMem = new Memory(nBits);
                // // Extract the mask bitmap
                GDI32.INSTANCE.GetDIBits(dc, iconinfo.hbmMask, 0, height, maskBitsMem, bmi, WinGDI.DIB_PAL_COLORS);
                // g32.GetDIBits(dc, iconinfo.hbmMask, 0, size,
                // maskBitsMem,
                // bmi,
                // // GDI32.DIB_RGB_COLORS);
                final int[] maskBits = maskBitsMem.getIntArray(0, width * height);
                // // // Copy the mask alphas into the color bits
                for (int i = 0; i < colorBits.length; i++) {
                    colorBits[i] = colorBits[i] | (maskBits[i] != 0 ? 0 : 0xFF000000);
                }
            }
            final BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
            bi.setRGB(0, 0, width, height, colorBits, 0, height);
            return bi;
        } finally {
            com.sun.jna.platform.win32.User32.INSTANCE.ReleaseDC(hwdn, dc);
        }
    } finally {
        User32.INSTANCE.DestroyIcon(new HICON(hicon.getPointer()));
        GDI32.INSTANCE.DeleteObject(iconinfo.hbmColor);
        GDI32.INSTANCE.DeleteObject(iconinfo.hbmMask);
    }
}

public static BufferedImage getImageByHICON(final int width, final int height, final HANDLE hicon) {
    final IconInfo iconinfo = new org.appwork.jna.winapi.structs.IconInfo();

    try {
        // GDI32 g32 = GDI32.INSTANCE;

        // get icon information

        if (!org.appwork.jna.winapi.user32.User.I.GetIconInfo(new HICON(hicon.getPointer()), iconinfo)) { return null; }
        final HWND hwdn = new HWND();
        final HDC dc = User32.INSTANCE.GetDC(hwdn);

        if (dc == null) {

        return null; }
        try {
            final int nBits = width * height * 4;
            // final BitmapInfo bmi = new BitmapInfo(1);

            final Memory colorBitsMem = new Memory(nBits);
            // // Extract the color bitmap
            final BITMAPINFO bmi = new WinGDI.BITMAPINFO();

            bmi.bmiHeader.biWidth = width;
            bmi.bmiHeader.biHeight = -height;
            bmi.bmiHeader.biPlanes = 1;
            bmi.bmiHeader.biBitCount = 32;
            bmi.bmiHeader.biCompression = WinGDI.BI_RGB;
            GDI32.INSTANCE.GetDIBits(dc, iconinfo.hbmColor, 0, height, colorBitsMem, bmi, WinGDI.DIB_RGB_COLORS);
            // g32.GetDIBits(dc, iconinfo.hbmColor, 0, size, colorBitsMem,
            // bmi,
            // GDI32.DIB_RGB_COLORS);
            final int[] colorBits = colorBitsMem.getIntArray(0, width * height);
            // final Memory maskBitsMem = new Memory(nBits);
            // // // Extract the mask bitmap
            // GDI32.INSTANCE.GetDIBits(dc, iconinfo.hbmMask, 0, height,
            // maskBitsMem, bmi, WinGDI.DIB_PAL_COLORS);
            // // g32.GetDIBits(dc, iconinfo.hbmMask, 0, size, maskBitsMem,
            // bmi,
            // // GDI32.DIB_RGB_COLORS);
            // final int[] maskBits = maskBitsMem.getIntArray(0, width *
            // height);
            // // // Copy the mask alphas into the color bits
            // for (int i = 0; i < colorBits.length; i++) {
            // colorBits[i] = colorBits[i] | (maskBits[i] != 0 ? 0 :
            // 0xFF000000);
            // }
            // // Release DC
            // Main.u32.ReleaseDC(0, dc);

            //

            // // Release bitmap handle in icon info
            // g32.DeleteObject(iconinfo.hbmColor); // add
            // g32.DeleteObject(iconinfo.hbmMask); // add

            final BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
            bi.setRGB(0, 0, width, height, colorBits, 0, height);
            return bi;
        } finally {
            com.sun.jna.platform.win32.User32.INSTANCE.ReleaseDC(hwdn, dc);
        }
    } finally {
        User32.INSTANCE.DestroyIcon(new HICON(hicon.getPointer()));
        GDI32.INSTANCE.DeleteObject(iconinfo.hbmColor);
        GDI32.INSTANCE.DeleteObject(iconinfo.hbmMask);
    }
}

/**
 * http://msdn.microsoft.com/en-us/library/ms648070(v=VS.85).aspx
 * 
 * @param hIcon
 * @param iconinfo
 * @return
 */
boolean GetIconInfo(HICON hIcon, IconInfo iconinfo);

public short ExtractIconEx(String path, int index, HICON[] large, HICON[] small, short nIcons);

HICON CreateIconFromResourceEx(Pointer pIcon, int dwBytesInRes, boolean b, int j, int bWidth, int bHeight, int k);