public int GetClassLong(Pointer hWnd, GCFlags nIndex) throws Exception {
int ret = u32.GetClassLongA(hWnd, nIndex.getValue());
if (ret == 0) {
int err = Native.getLastError();
throw new Exception("GetClassLong failed. Error: " + err);
}
return ret;
}
public BufferedImage getIcon(Pointer hIcon) {
int width = 16;
int height = 16;
short depth = 24;
BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
byte[] lpBitsColor = new byte[width * height * depth / 8];
byte[] lpBitsMask = new byte[width * height * depth / 8];
BITMAPINFO info = new BITMAPINFO();
BITMAPINFOHEADER hdr = new BITMAPINFOHEADER();
info.bmiHeader = hdr;
hdr.biWidth = width;
hdr.biHeight = height;
hdr.biPlanes = 1;
hdr.biBitCount = depth;
hdr.biCompression = BICompression.BI_RGB.getValue();
Pointer hDC = u32.GetDC(null);
ICONINFO piconinfo = new ICONINFO();
u32.GetIconInfo(hIcon, piconinfo);
gdi32.GetDIBits(
hDC, piconinfo.hbmColor, 0, height, lpBitsColor, info, DIBwUsage.DIB_RGB_COLORS.getValue());
gdi32.GetDIBits(
hDC, piconinfo.hbmMask, 0, height, lpBitsMask, info, DIBwUsage.DIB_RGB_COLORS.getValue());
int r, g, b, a, argb;
int x = 0, y = height - 1;
for (int i = 0; i < lpBitsColor.length; i = i + 3) {
b = lpBitsColor[i] & 0xFF;
g = lpBitsColor[i + 1] & 0xFF;
r = lpBitsColor[i + 2] & 0xFF;
a = 0xFF - lpBitsMask[i] & 0xFF;
// System.out.println(lpBitsMask[i]+" "+lpBitsMask[i+1]+" "+lpBitsMask[i+2]);
argb = (a << 24) | (r << 16) | (g << 8) | b;
image.setRGB(x, y, argb);
x = (x + 1) % width;
if (x == 0) y--;
}
u32.ReleaseDC(null, hDC);
gdi32.DeleteObject(piconinfo.hbmColor);
gdi32.DeleteObject(piconinfo.hbmMask);
return image;
}
public Pointer getHIcon(Pointer hWnd) {
FuFlags fuFlags = new FuFlags();
fuFlags.setSMTO_NORMAL();
try {
Pointer icon =
SendMessageTimeoutA(
hWnd, Messages.WM_GETICON, FType.ICON_SMALL, 0, fuFlags.getFlags(), 20);
if (icon != null) return u32.CopyIcon(icon);
} catch (Exception e) {
}
try {
Pointer icon =
SendMessageTimeoutA(hWnd, Messages.WM_GETICON, FType.ICON_BIG, 0, fuFlags.getFlags(), 20);
if (icon != null) return u32.CopyIcon(icon);
} catch (Exception e) {
}
try {
Pointer icon =
SendMessageTimeoutA(
hWnd, Messages.WM_GETICON, FType.ICON_SMALL2, 0, fuFlags.getFlags(), 20);
if (icon != null) return u32.CopyIcon(icon);
} catch (Exception e) {
}
try {
int hiconSM = GetClassLong(hWnd, GCFlags.GCL_HICONSM);
if (hiconSM != 0) return u32.CopyIcon(Pointer.createConstant(hiconSM));
} catch (Exception e) {
}
try {
int hicon = GetClassLong(hWnd, GCFlags.GCL_HICON);
if (hicon != 0) return u32.CopyIcon(Pointer.createConstant(hicon));
} catch (Exception e) {
}
return null;
}
public Pointer SendMessageTimeoutA(
Pointer hWnd, Messages Msg, FType wParam, int lParam, int fuFlags, int uTimeout)
throws Exception {
PointerByReference lpdwResult = new PointerByReference();
int ret =
u32.SendMessageTimeoutA(
hWnd, Msg.getValue(), wParam.getValue(), lParam, fuFlags, uTimeout, lpdwResult);
if (ret == 0) {
int err = Native.getLastError();
throw new Exception("GetClassLong failed. Error: " + err);
}
return lpdwResult.getValue();
}
public Pointer SendMessageA(Pointer hWnd, Messages Msg, FType wParam, int lParam) {
return u32.SendMessageA(hWnd, Msg.getValue(), wParam.getValue(), lParam);
}
public void GetWindowThreadProcessId(Pointer hWnd, IntByReference lpdwProcessId) {
u32.GetWindowThreadProcessId(hWnd, lpdwProcessId);
}
public Pointer GetAncestor(Pointer hwnd, GAFlags gaFlags) {
return u32.GetAncestor(hwnd, gaFlags.getValue());
}
public Pointer GetParent(Pointer hWnd) {
return u32.GetParent(hWnd);
}
