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winex11: Use the create_pixmap_from_image helper to create color cursors.

This commit is contained in:
Alexandre Julliard 2012-05-15 15:46:23 +02:00
parent e85895e4c5
commit 70a9bb9518
1 changed files with 28 additions and 27 deletions
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49
dlls/winex11.drv/mouse.c
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@ -1013,18 +1013,19 @@ done:
*/
static Cursor create_xlib_cursor( HDC hdc, const ICONINFOEXW *icon, int width, int height )
{
char buffer[FIELD_OFFSET( BITMAPINFO, bmiColors[256] )];
BITMAPINFO *info = (BITMAPINFO *)buffer;
XColor fg, bg;
Cursor cursor = None;
HBITMAP xor_bitmap = 0;
BITMAPINFO *info;
XVisualInfo vis;
Pixmap xor_pixmap, mask_pixmap;
struct gdi_image_bits bits;
unsigned int *color_bits = NULL, *ptr;
unsigned char *mask_bits = NULL, *xor_bits = NULL;
int i, x, y, has_alpha = 0;
int rfg, gfg, bfg, rbg, gbg, bbg, fgBits, bgBits;
unsigned int width_bytes = (width + 31) / 32 * 4;
if (!(info = HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( BITMAPINFO, bmiColors[256] ))))
return FALSE;
info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
info->bmiHeader.biWidth = width;
info->bmiHeader.biHeight = -height;
@ -1048,7 +1049,6 @@ static Cursor create_xlib_cursor( HDC hdc, const ICONINFOEXW *icon, int width, i
/* compute fg/bg color and xor bitmap based on average of the color values */
if (!(xor_bitmap = CreateBitmap( width, height, 1, 1, NULL ))) goto done;
rfg = gfg = bfg = rbg = gbg = bbg = fgBits = 0;
for (y = 0, ptr = color_bits; y < height; y++)
{
@ -1090,8 +1090,8 @@ static Cursor create_xlib_cursor( HDC hdc, const ICONINFOEXW *icon, int width, i
else bg.red = bg.green = bg.blue = 0;
info->bmiHeader.biBitCount = 1;
info->bmiHeader.biClrUsed = 0;
info->bmiHeader.biSizeImage = width_bytes * height;
SetDIBits( hdc, xor_bitmap, 0, height, xor_bits, info, DIB_RGB_COLORS );
/* generate mask from the alpha channel if we have one */
@ -1100,37 +1100,38 @@ static Cursor create_xlib_cursor( HDC hdc, const ICONINFOEXW *icon, int width, i
if (has_alpha)
{
/* make sure the bitmaps are owned by x11drv */
HBITMAP orig = SelectObject( hdc, icon->hbmMask );
SelectObject( hdc, xor_bitmap );
SelectObject( hdc, orig );
memset( mask_bits, 0, width_bytes * height );
for (y = 0, ptr = color_bits; y < height; y++)
for (x = 0; x < width; x++, ptr++)
if ((*ptr >> 24) > 25) /* more than 10% alpha */
mask_bits[y * width_bytes + x / 8] |= 0x80 >> (x % 8);
}
else /* invert the mask */
{
ptr = (unsigned int *)mask_bits;
for (i = 0; i < info->bmiHeader.biSizeImage / sizeof(*ptr); i++, ptr++) *ptr ^= ~0u;
}
info->bmiHeader.biBitCount = 1;
info->bmiHeader.biSizeImage = width_bytes * height;
SetDIBits( hdc, icon->hbmMask, 0, height, mask_bits, info, DIB_RGB_COLORS );
vis.depth = 1;
bits.ptr = xor_bits;
bits.free = NULL;
bits.is_copy = TRUE;
if (!(xor_pixmap = create_pixmap_from_image( hdc, &vis, info, &bits, DIB_RGB_COLORS ))) goto done;
bits.ptr = mask_bits;
mask_pixmap = create_pixmap_from_image( hdc, &vis, info, &bits, DIB_RGB_COLORS );
wine_tsx11_lock();
cursor = XCreatePixmapCursor( gdi_display,
X11DRV_get_pixmap(xor_bitmap),
X11DRV_get_pixmap(icon->hbmMask),
&fg, &bg, icon->xHotspot, icon->yHotspot );
wine_tsx11_unlock();
}
else
if (mask_pixmap)
{
cursor = create_cursor_from_bitmaps( xor_bitmap, icon->hbmMask, width, height, 0, 0,
cursor = XCreatePixmapCursor( gdi_display, xor_pixmap, mask_pixmap,
&fg, &bg, icon->xHotspot, icon->yHotspot );
XFreePixmap( gdi_display, mask_pixmap );
}
XFreePixmap( gdi_display, xor_pixmap );
wine_tsx11_unlock();
done:
DeleteObject( xor_bitmap );
HeapFree( GetProcessHeap(), 0, info );
HeapFree( GetProcessHeap(), 0, color_bits );
HeapFree( GetProcessHeap(), 0, xor_bits );
HeapFree( GetProcessHeap(), 0, mask_bits );