[PATCH 1/7] gdi32: Use GetDIBits in emfdrv_stretchblt.

[Huw Davies]

On Wed, Aug 11, 2021 at 10:57:56AM +0200, Jacek Caban wrote:
>  /* Generate an EMRBITBLT, EMRSTRETCHBLT or EMRALPHABLEND record depending on the type parameter */
> -static BOOL emfdrv_stretchblt( PHYSDEV dev_dst, struct bitblt_coords *dst, PHYSDEV dev_src,
> +static BOOL emfdrv_stretchblt( PHYSDEV dev_dst, struct bitblt_coords *dst, HDC hdc_src,
>                                 struct bitblt_coords *src, DWORD rop, DWORD type )
>  {
> -    unsigned char src_buffer[FIELD_OFFSET(BITMAPINFO, bmiColors[256])];
> -    BITMAPINFO *src_info = (BITMAPINFO *)src_buffer;
> -    UINT bits_size, bmi_size, emr_size, size, bpp;
> -    EMRSTRETCHBLT *emr_stretchblt;
> -    struct gdi_image_bits bits;
> +    BITMAPINFO src_info = {{ sizeof( src_info.bmiHeader ) }};
> +    UINT bmi_size, emr_size, size, bpp;
>      BITMAPINFO *bmi;
>      EMRBITBLT *emr;
> -    DC *dc_src;
> -    DWORD err;
> -    BOOL ret = FALSE;
> -
> -    dc_src = get_physdev_dc(dev_src);
> -    dev_src = GET_DC_PHYSDEV(dc_src, pGetImage);
> -    err = dev_src->funcs->pGetImage(dev_src, src_info, &bits, src);
> -    if (err)
> -    {
> -        SetLastError(err);
> -        return FALSE;
> -    }
> +    HBITMAP bitmap;
> +    BOOL ret;
>  
> -    bpp = src_info->bmiHeader.biBitCount;
> +    if (!(bitmap = GetCurrentObject( hdc_src, OBJ_BITMAP ))) return FALSE;
> +    if (!GetDIBits( hdc_src, bitmap, 0, INT_MAX, NULL, &src_info, DIB_RGB_COLORS )) return FALSE;

What about a blit from a screen dc to the metafile?

Huw.