Esempi in C++ (Cpp) per glamor_get_gc_private

Esempio n. 1

File: glamor_transform.c Progetto: ChristophHaag/xserver-prime-sync

static PixmapPtr
glamor_get_stipple_pixmap(GCPtr gc)
{
    glamor_gc_private *gc_priv = glamor_get_gc_private(gc);
    ScreenPtr   screen = gc->pScreen;
    PixmapPtr   bitmap;
    PixmapPtr   pixmap;
    GCPtr       scratch_gc;
    ChangeGCVal changes[2];

    if (gc_priv->stipple)
        return gc_priv->stipple;

    bitmap = gc->stipple;
    if (!bitmap)
        goto bail;

    pixmap = glamor_create_pixmap(screen,
                                  bitmap->drawable.width,
                                  bitmap->drawable.height,
                                  8, GLAMOR_CREATE_NO_LARGE);
    if (!pixmap)
        goto bail;

    scratch_gc = GetScratchGC(8, screen);
    if (!scratch_gc)
        goto bail_pixmap;

    changes[0].val = 0xff;
    changes[1].val = 0x00;
    if (ChangeGC(NullClient, scratch_gc,
                 GCForeground|GCBackground, changes) != Success)
        goto bail_gc;
    ValidateGC(&pixmap->drawable, scratch_gc);

    (*scratch_gc->ops->CopyPlane)(&bitmap->drawable,
                                  &pixmap->drawable,
                                  scratch_gc,
                                  0, 0,
                                  bitmap->drawable.width,
                                  bitmap->drawable.height,
                                  0, 0, 0x1);

    FreeScratchGC(scratch_gc);
    gc_priv->stipple = pixmap;

    glamor_track_stipple(gc);

    return pixmap;

bail_gc:
    FreeScratchGC(scratch_gc);
bail_pixmap:
    glamor_destroy_pixmap(pixmap);
bail:
    return NULL;
}

Esempio n. 2

File: glamor_dash.c Progetto: GalliumOS/xorg-server

static PixmapPtr
glamor_get_dash_pixmap(GCPtr gc)
{
    glamor_gc_private *gc_priv = glamor_get_gc_private(gc);
    ScreenPtr   screen = gc->pScreen;
    PixmapPtr   pixmap;
    int         offset;
    int         d;
    uint32_t    pixel;
    GCPtr       scratch_gc;

    if (gc_priv->dash)
        return gc_priv->dash;

    offset = 0;
    for (d = 0; d < gc->numInDashList; d++)
        offset += gc->dash[d];

    pixmap = glamor_create_pixmap(screen, offset, 1, 8, 0);
    if (!pixmap)
        goto bail;

    scratch_gc = GetScratchGC(8, screen);
    if (!scratch_gc)
        goto bail_pixmap;

    pixel = 0xffffffff;
    offset = 0;
    for (d = 0; d < gc->numInDashList; d++) {
        xRectangle      rect;
        ChangeGCVal     changes;

        changes.val = pixel;
        (void) ChangeGC(NullClient, scratch_gc,
                        GCForeground, &changes);
        ValidateGC(&pixmap->drawable, scratch_gc);
        rect.x = offset;
        rect.y = 0;
        rect.width = gc->dash[d];
        rect.height = 1;
        scratch_gc->ops->PolyFillRect (&pixmap->drawable, scratch_gc, 1, &rect);
        offset += gc->dash[d];
        pixel = ~pixel;
    }
    FreeScratchGC(scratch_gc);

    gc_priv->dash = pixmap;
    return pixmap;

bail_pixmap:
    glamor_destroy_pixmap(pixmap);
bail:
    return NULL;
}