void
SplashRedrawWindow(Splash * splash) {
XImage *ximage;
// making this method redraw a part of the image does not make
// much sense as SplashUpdateScreenData always re-generates
// the image completely, so whole window is always redrawn
SplashUpdateScreenData(splash);
ximage = XCreateImage(splash->display, splash->visual,
splash->screenFormat.depthBytes * 8, ZPixmap, 0, (char *) NULL,
splash->width, splash->height, 8, 0);
ximage->data = (char *) splash->screenData;
ximage->bits_per_pixel = ximage->depth;
ximage->bytes_per_line = ximage->depth * ximage->width / 8;
ximage->byte_order = ByteOrderToX(splash->screenFormat.byteOrder);
ximage->bitmap_unit = 8;
XPutImage(splash->display, splash->window,
XDefaultGCOfScreen(splash->screen), ximage, 0, 0, 0, 0,
splash->width, splash->height);
ximage->data = NULL;
XDestroyImage(ximage);
SplashRemoveDecoration(splash);
XMapWindow(splash->display, splash->window);
}
/* The function makes the window visible if it is hidden
or is not yet shown. */
void
SplashRedrawWindow(Splash * splash)
{
if (!SplashIsStillLooping(splash)) {
KillTimer(splash->hWnd, 0);
}
if (splash->currentFrame < 0) {
return;
}
SplashUpdateScreenData(splash);
if (splash->isLayered) {
BLENDFUNCTION bf;
POINT ptSrc;
HDC hdcSrc = CreateCompatibleDC(NULL), hdcDst;
BITMAPINFOHEADER bmi;
void *bitmapBits;
HBITMAP hBitmap, hOldBitmap;
RECT rect;
POINT ptDst;
SIZE size;
bf.BlendOp = AC_SRC_OVER;
bf.BlendFlags = 0;
bf.AlphaFormat = AC_SRC_ALPHA;
bf.SourceConstantAlpha = 0xFF;
ptSrc.x = ptSrc.y = 0;
memset(&bmi, 0, sizeof(bmi));
bmi.biSize = sizeof(BITMAPINFOHEADER);
bmi.biWidth = splash->width;
bmi.biHeight = -splash->height;
bmi.biPlanes = 1;
bmi.biBitCount = 32;
bmi.biCompression = BI_RGB;
// FIXME: this is somewhat ineffective
// maybe if we allocate memory for all frames as DIBSections,
// then we could select the frames into the DC directly
hBitmap = CreateDIBSection(NULL, (BITMAPINFO *) & bmi, DIB_RGB_COLORS,
&bitmapBits, NULL, 0);
memcpy(bitmapBits, splash->screenData,
splash->screenStride * splash->height);
hOldBitmap = (HBITMAP) SelectObject(hdcSrc, hBitmap);
hdcDst = GetDC(splash->hWnd);
GetWindowRect(splash->hWnd, &rect);
ptDst.x = rect.left;
ptDst.y = rect.top;
size.cx = splash->width;
size.cy = splash->height;
UpdateLayeredWindow(splash->hWnd, hdcDst, &ptDst, &size,
hdcSrc, &ptSrc, 0, &bf, ULW_ALPHA);
ReleaseDC(splash->hWnd, hdcDst);
SelectObject(hdcSrc, hOldBitmap);
DeleteObject(hBitmap);
DeleteDC(hdcSrc);
}
else {
InvalidateRect(splash->hWnd, NULL, FALSE);
if (splash->maskRequired) {
HRGN hRgn = CreateRectRgn(0, 0, 0, 0);
CombineRgn(hRgn, splash->frames[splash->currentFrame].hRgn,
splash->frames[splash->currentFrame].hRgn, RGN_COPY);
SetWindowRgn(splash->hWnd, hRgn, TRUE);
} else {
SetWindowRgn(splash->hWnd, NULL, TRUE);
}
UpdateWindow(splash->hWnd);
}
if (!IsWindowVisible(splash->hWnd)) {
POINT cursorPos;
ShowWindow(splash->hWnd, SW_SHOW);
// Windows won't update the cursor after the window is shown,
// if the cursor is already above the window. need to do this manually.
GetCursorPos(&cursorPos);
if (WindowFromPoint(cursorPos) == splash->hWnd) {
// unfortunately Windows fail to understand that the window
// thread should own the cursor, even though the mouse pointer
// is over the window, until the mouse has been moved.
// we're using SetCursorPos here to fake the mouse movement
// and enable proper update of the cursor.
SetCursorPos(cursorPos.x, cursorPos.y);
SetCursor(LoadCursor(NULL, IDC_WAIT));
}
}
if (SplashIsStillLooping(splash)) {
int time = splash->time +
splash->frames[splash->currentFrame].delay - SplashTime();
if (time < 0)
time = 0;
SetTimer(splash->hWnd, 0, time, NULL);
}
}
