winex11: Use the create_pixmap_from_image helper to create monochrome cursors.

This commit is contained in:
Alexandre Julliard 2012-05-15 16:18:34 +02:00
parent 70a9bb9518
commit 8ee12778f9
1 changed files with 71 additions and 53 deletions

View File

@ -936,24 +936,51 @@ done:
/***********************************************************************
* create_cursor_from_bitmaps
* create_xlib_monochrome_cursor
*
* Create an X11 cursor from source bitmaps.
* Create a monochrome X cursor from a Windows one.
*/
static Cursor create_cursor_from_bitmaps( HBITMAP src_xor, HBITMAP src_and, int width, int height,
int xor_y, int and_y, XColor *fg, XColor *bg,
int hotspot_x, int hotspot_y )
static Cursor create_xlib_monochrome_cursor( HDC hdc, const ICONINFOEXW *icon, int width, int height )
{
HDC src = 0, dst = 0;
HBITMAP bits = 0, mask = 0, mask_inv = 0;
char buffer[FIELD_OFFSET( BITMAPINFO, bmiColors[256] )];
BITMAPINFO *info = (BITMAPINFO *)buffer;
const int and_y = 0;
const int xor_y = height;
unsigned int width_bytes = (width + 31) / 32 * 4;
unsigned char *mask_bits = NULL;
GC gc;
XColor fg, bg;
XVisualInfo vis;
Pixmap src_pixmap, bits_pixmap, mask_pixmap;
struct gdi_image_bits bits;
Cursor cursor = 0;
if (!(src = CreateCompatibleDC( 0 ))) goto done;
if (!(dst = CreateCompatibleDC( 0 ))) goto done;
info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
info->bmiHeader.biWidth = width;
info->bmiHeader.biHeight = -height * 2;
info->bmiHeader.biPlanes = 1;
info->bmiHeader.biBitCount = 1;
info->bmiHeader.biCompression = BI_RGB;
info->bmiHeader.biSizeImage = width_bytes * height * 2;
info->bmiHeader.biXPelsPerMeter = 0;
info->bmiHeader.biYPelsPerMeter = 0;
info->bmiHeader.biClrUsed = 0;
info->bmiHeader.biClrImportant = 0;
if (!(bits = CreateBitmap( width, height, 1, 1, NULL ))) goto done;
if (!(mask = CreateBitmap( width, height, 1, 1, NULL ))) goto done;
if (!(mask_inv = CreateBitmap( width, height, 1, 1, NULL ))) goto done;
if (!(mask_bits = HeapAlloc( GetProcessHeap(), 0, info->bmiHeader.biSizeImage ))) goto done;
if (!GetDIBits( hdc, icon->hbmMask, 0, height * 2, mask_bits, info, DIB_RGB_COLORS )) goto done;
vis.depth = 1;
bits.ptr = mask_bits;
bits.free = NULL;
bits.is_copy = TRUE;
if (!(src_pixmap = create_pixmap_from_image( hdc, &vis, info, &bits, DIB_RGB_COLORS ))) goto done;
wine_tsx11_lock();
bits_pixmap = XCreatePixmap( gdi_display, root_window, width, height, 1 );
mask_pixmap = XCreatePixmap( gdi_display, root_window, width, height, 1 );
gc = XCreateGC( gdi_display, src_pixmap, 0, NULL );
XSetGraphicsExposures( gdi_display, gc, False );
/* We have to do some magic here, as cursors are not fully
* compatible between Windows and X11. Under X11, there are
@ -973,45 +1000,41 @@ static Cursor create_cursor_from_bitmaps( HBITMAP src_xor, HBITMAP src_and, int
* Bits = not 'And' and 'Xor' or 'And2' and 'Xor2'
* Mask = not 'And' or 'Xor' or 'And2' and 'Xor2'
*/
SelectObject( src, src_and );
SelectObject( dst, bits );
BitBlt( dst, 0, 0, width, height, src, 0, and_y, SRCCOPY );
SelectObject( dst, mask );
BitBlt( dst, 0, 0, width, height, src, 0, and_y, SRCCOPY );
SelectObject( dst, mask_inv );
BitBlt( dst, 0, 0, width, height, src, 0, and_y, SRCCOPY );
SelectObject( src, src_xor );
BitBlt( dst, 0, 0, width, height, src, 0, xor_y, SRCAND /* src & dst */ );
SelectObject( dst, bits );
BitBlt( dst, 0, 0, width, height, src, 0, xor_y, SRCERASE /* src & ~dst */ );
SelectObject( dst, mask );
BitBlt( dst, 0, 0, width, height, src, 0, xor_y, 0xdd0228 /* src | ~dst */ );
XSetFunction( gdi_display, gc, GXcopy );
XCopyArea( gdi_display, src_pixmap, bits_pixmap, gc, 0, and_y, width, height, 0, 0 );
XCopyArea( gdi_display, src_pixmap, mask_pixmap, gc, 0, and_y, width, height, 0, 0 );
XSetFunction( gdi_display, gc, GXandReverse );
XCopyArea( gdi_display, src_pixmap, bits_pixmap, gc, 0, xor_y, width, height, 0, 0 );
XSetFunction( gdi_display, gc, GXorReverse );
XCopyArea( gdi_display, src_pixmap, mask_pixmap, gc, 0, xor_y, width, height, 0, 0 );
/* additional white */
SelectObject( src, mask_inv );
BitBlt( dst, 1, 1, width, height, src, 0, 0, SRCPAINT /* src | dst */);
SelectObject( dst, bits );
BitBlt( dst, 1, 1, width, height, src, 0, 0, SRCPAINT /* src | dst */ );
XSetFunction( gdi_display, gc, GXand );
XCopyArea( gdi_display, src_pixmap, src_pixmap, gc, 0, xor_y, width, height, 0, and_y );
XSetFunction( gdi_display, gc, GXor );
XCopyArea( gdi_display, src_pixmap, mask_pixmap, gc, 0, and_y, width, height, 1, 1 );
XCopyArea( gdi_display, src_pixmap, bits_pixmap, gc, 0, and_y, width, height, 1, 1 );
XFreeGC( gdi_display, gc );
wine_tsx11_lock();
cursor = XCreatePixmapCursor( gdi_display, X11DRV_get_pixmap(bits), X11DRV_get_pixmap(mask),
fg, bg, hotspot_x, hotspot_y );
fg.red = fg.green = fg.blue = 0xffff;
bg.red = bg.green = bg.blue = 0;
cursor = XCreatePixmapCursor( gdi_display, bits_pixmap, mask_pixmap,
&fg, &bg, icon->xHotspot, icon->yHotspot );
XFreePixmap( gdi_display, src_pixmap );
XFreePixmap( gdi_display, bits_pixmap );
XFreePixmap( gdi_display, mask_pixmap );
wine_tsx11_unlock();
done:
DeleteDC( src );
DeleteDC( dst );
DeleteObject( bits );
DeleteObject( mask );
DeleteObject( mask_inv );
HeapFree( GetProcessHeap(), 0, mask_bits );
return cursor;
}
/***********************************************************************
* create_xlib_cursor
* create_xlib_color_cursor
*
* Create an X cursor from a Windows one.
* Create a color X cursor from a Windows one.
*/
static Cursor create_xlib_cursor( HDC hdc, const ICONINFOEXW *icon, int width, int height )
static Cursor create_xlib_color_cursor( HDC hdc, const ICONINFOEXW *icon, int width, int height )
{
char buffer[FIELD_OFFSET( BITMAPINFO, bmiColors[256] )];
BITMAPINFO *info = (BITMAPINFO *)buffer;
@ -1148,6 +1171,7 @@ static Cursor create_cursor( HANDLE handle )
Cursor cursor = 0;
ICONINFOEXW info;
BITMAP bm;
HDC hdc;
if (!handle) return get_empty_cursor();
@ -1173,30 +1197,24 @@ static Cursor create_cursor( HANDLE handle )
info.yHotspot = bm.bmHeight / 2;
}
hdc = CreateCompatibleDC( 0 );
if (info.hbmColor)
{
HDC hdc = CreateCompatibleDC( 0 );
if (hdc)
{
#ifdef SONAME_LIBXCURSOR
if (pXcursorImagesLoadCursor)
cursor = create_xcursor_cursor( hdc, &info, handle, bm.bmWidth, bm.bmHeight );
if (pXcursorImagesLoadCursor)
cursor = create_xcursor_cursor( hdc, &info, handle, bm.bmWidth, bm.bmHeight );
#endif
if (!cursor) cursor = create_xlib_cursor( hdc, &info, bm.bmWidth, bm.bmHeight );
}
if (!cursor) cursor = create_xlib_color_cursor( hdc, &info, bm.bmWidth, bm.bmHeight );
DeleteObject( info.hbmColor );
DeleteDC( hdc );
}
else
{
XColor fg, bg;
fg.red = fg.green = fg.blue = 0xffff;
bg.red = bg.green = bg.blue = 0;
cursor = create_cursor_from_bitmaps( info.hbmMask, info.hbmMask, bm.bmWidth, bm.bmHeight,
bm.bmHeight, 0, &fg, &bg, info.xHotspot, info.yHotspot );
cursor = create_xlib_monochrome_cursor( hdc, &info, bm.bmWidth, bm.bmHeight );
}
DeleteObject( info.hbmMask );
DeleteDC( hdc );
return cursor;
}