/***********************************************************************
* BRUSH_DitherColor
*/
static Pixmap BRUSH_DitherColor( COLORREF color, int depth)
{
/* X image for building dithered pixmap */
static XImage *ditherImage = NULL;
static COLORREF prevColor = 0xffffffff;
unsigned int x, y;
Pixmap pixmap;
GC gc = get_bitmap_gc(depth);
wine_tsx11_lock();
if (!ditherImage)
{
ditherImage = XCreateImage( gdi_display, visual, depth, ZPixmap, 0,
NULL, MATRIX_SIZE, MATRIX_SIZE, 32, 0 );
if (!ditherImage)
{
wine_tsx11_unlock();
ERR("Could not create dither image\n");
return 0;
}
ditherImage->data = HeapAlloc( GetProcessHeap(), 0,
ditherImage->height * ditherImage->bytes_per_line );
}
if (color != prevColor)
{
int r = GetRValue( color ) * DITHER_LEVELS;
int g = GetGValue( color ) * DITHER_LEVELS;
int b = GetBValue( color ) * DITHER_LEVELS;
const int *pmatrix = dither_matrix;
for (y = 0; y < MATRIX_SIZE; y++)
{
for (x = 0; x < MATRIX_SIZE; x++)
{
int d = *pmatrix++ * 256;
int dr = ((r + d) / MATRIX_SIZE_2) / 256;
int dg = ((g + d) / MATRIX_SIZE_2) / 256;
int db = ((b + d) / MATRIX_SIZE_2) / 256;
XPutPixel( ditherImage, x, y, PIXEL_VALUE(dr,dg,db) );
}
}
prevColor = color;
}
pixmap = XCreatePixmap( gdi_display, root_window, MATRIX_SIZE, MATRIX_SIZE, depth );
XPutImage( gdi_display, pixmap, gc, ditherImage, 0, 0,
0, 0, MATRIX_SIZE, MATRIX_SIZE );
wine_tsx11_unlock();
return pixmap;
}
/***********************************************************************
* BRUSH_SelectPatternBrush
*/
static void BRUSH_SelectPatternBrush( X11DRV_PDEVICE *physDev, HBITMAP hbitmap, X_PHYSBITMAP *physBitmap )
{
BITMAP bitmap;
GetObjectW( hbitmap, sizeof(bitmap), &bitmap );
wine_tsx11_lock();
if (physDev->brush.pixmap) XFreePixmap( gdi_display, physDev->brush.pixmap );
if ((physDev->depth == 1) && (physBitmap->depth != 1))
{
/* Special case: a color pattern on a monochrome DC */
physDev->brush.pixmap = XCreatePixmap( gdi_display, root_window,
bitmap.bmWidth, bitmap.bmHeight, 1);
/* FIXME: should probably convert to monochrome instead */
XCopyPlane( gdi_display, physBitmap->pixmap, physDev->brush.pixmap,
get_bitmap_gc(1), 0, 0, bitmap.bmWidth, bitmap.bmHeight, 0, 0, 1 );
}
else
{
physDev->brush.pixmap = XCreatePixmap( gdi_display, root_window,
bitmap.bmWidth, bitmap.bmHeight, physBitmap->depth );
XCopyArea( gdi_display, physBitmap->pixmap, physDev->brush.pixmap,
get_bitmap_gc(physBitmap->depth), 0, 0, bitmap.bmWidth, bitmap.bmHeight, 0, 0 );
}
wine_tsx11_unlock();
if (physBitmap->depth > 1)
{
physDev->brush.fillStyle = FillTiled;
physDev->brush.pixel = 0; /* Ignored */
}
else
{
physDev->brush.fillStyle = FillOpaqueStippled;
physDev->brush.pixel = -1; /* Special case (see DC_SetupGCForBrush) */
}
}
/***********************************************************************
* BRUSH_SelectPatternBrush
*/
static BOOL BRUSH_SelectPatternBrush( X11DRV_PDEVICE *physDev, HBITMAP hbitmap )
{
BITMAP bitmap;
X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( hbitmap );
if (!physBitmap || !GetObjectW( hbitmap, sizeof(bitmap), &bitmap )) return FALSE;
X11DRV_DIB_Lock( physBitmap, DIB_Status_GdiMod );
if ((physDev->depth == 1) && (physBitmap->pixmap_depth != 1))
{
wine_tsx11_lock();
/* Special case: a color pattern on a monochrome DC */
physDev->brush.pixmap = XCreatePixmap( gdi_display, root_window,
bitmap.bmWidth, bitmap.bmHeight, 1);
/* FIXME: should probably convert to monochrome instead */
XCopyPlane( gdi_display, physBitmap->pixmap, physDev->brush.pixmap,
get_bitmap_gc(1), 0, 0, bitmap.bmWidth, bitmap.bmHeight, 0, 0, 1 );
wine_tsx11_unlock();
}
else
{
/* XRender is needed because of possible depth conversion */
X11DRV_XRender_CopyBrush(physDev, physBitmap, bitmap.bmWidth, bitmap.bmHeight);
}
X11DRV_DIB_Unlock( physBitmap, TRUE );
if (physBitmap->pixmap_depth > 1)
{
physDev->brush.fillStyle = FillTiled;
physDev->brush.pixel = 0; /* Ignored */
}
else
{
physDev->brush.fillStyle = FillOpaqueStippled;
physDev->brush.pixel = -1; /* Special case (see DC_SetupGCForBrush) */
}
return TRUE;
}
