C++ (Cpp) _cairo_null_stream_create Exemples

Exemple #1

Fichier : cairo-type3-glyph-surface.c Projet : ghub/NVprSDK

cairo_status_t
_cairo_type3_glyph_surface_analyze_glyph (void		     *abstract_surface,
					  unsigned long	      glyph_index)
{
    cairo_type3_glyph_surface_t *surface = abstract_surface;
    cairo_scaled_glyph_t *scaled_glyph;
    cairo_status_t status, status2;
    cairo_output_stream_t *null_stream;

    if (unlikely (surface->base.status))
	return surface->base.status;

    null_stream = _cairo_null_stream_create ();
    if (unlikely (null_stream->status))
	return null_stream->status;

    _cairo_type3_glyph_surface_set_stream (surface, null_stream);

    _cairo_scaled_font_freeze_cache (surface->scaled_font);
    status = _cairo_scaled_glyph_lookup (surface->scaled_font,
					 glyph_index,
					 CAIRO_SCALED_GLYPH_INFO_RECORDING_SURFACE,
					 &scaled_glyph);

    if (_cairo_status_is_error (status))
	goto cleanup;

    if (status == CAIRO_INT_STATUS_UNSUPPORTED) {
	status = CAIRO_STATUS_SUCCESS;
	goto cleanup;
    }

    status = _cairo_recording_surface_replay (scaled_glyph->recording_surface,
					      &surface->base);
    if (unlikely (status))
	goto cleanup;

    status = _cairo_pdf_operators_flush (&surface->pdf_operators);
    if (status == CAIRO_INT_STATUS_IMAGE_FALLBACK)
	status = CAIRO_STATUS_SUCCESS;

cleanup:
    _cairo_scaled_font_thaw_cache (surface->scaled_font);

    status2 = _cairo_output_stream_destroy (null_stream);
    if (status == CAIRO_STATUS_SUCCESS)
	status = status2;

    return status;
}

Exemple #2

Fichier : cairo-type3-glyph-surface.c Projet : jwmcglynn/Gadgets

cairo_status_t
_cairo_type3_glyph_surface_analyze_glyph (void		     *abstract_surface,
					  unsigned long	      glyph_index)
{
    cairo_type3_glyph_surface_t *surface = abstract_surface;
    cairo_scaled_glyph_t *scaled_glyph;
    cairo_status_t status, status2;
    cairo_output_stream_t *null_stream;

    null_stream = _cairo_null_stream_create ();
    _cairo_type3_glyph_surface_set_stream (surface, null_stream);
    status = _cairo_scaled_glyph_lookup (surface->scaled_font,
					 glyph_index,
					 CAIRO_SCALED_GLYPH_INFO_METRICS |
					 CAIRO_SCALED_GLYPH_INFO_META_SURFACE,
					 &scaled_glyph);
    if (status && status != CAIRO_INT_STATUS_UNSUPPORTED)
	goto cleanup;

    if (status == CAIRO_INT_STATUS_UNSUPPORTED) {
	status = CAIRO_STATUS_SUCCESS;
	goto cleanup;
    }

    status = _cairo_meta_surface_replay (scaled_glyph->meta_surface,
					 &surface->base);

    status = _cairo_pdf_operators_flush (&surface->pdf_operators);
    if (status)
	return status;

    if (status == CAIRO_INT_STATUS_IMAGE_FALLBACK)
	status = CAIRO_STATUS_SUCCESS;

cleanup:
    status2 = _cairo_output_stream_destroy (null_stream);
    if (status)
	return status;

    return status2;
}