コード例 #1
0
static cairo_status_t
_recording_surface_get_ink_bbox (cairo_recording_surface_t *surface,
				 cairo_box_t *bbox,
				 const cairo_matrix_t *transform)
{
    cairo_surface_t *null_surface;
    cairo_surface_t *analysis_surface;
    cairo_status_t status;

    null_surface = _cairo_null_surface_create (surface->content);
    analysis_surface = _cairo_analysis_surface_create (null_surface);
    cairo_surface_destroy (null_surface);

    status = analysis_surface->status;
    if (unlikely (status))
	return status;

    if (transform != NULL)
	_cairo_analysis_surface_set_ctm (analysis_surface, transform);

    status = _cairo_recording_surface_replay (&surface->base, analysis_surface);
    _cairo_analysis_surface_get_bounding_box (analysis_surface, bbox);
    cairo_surface_destroy (analysis_surface);

    return status;
}
コード例 #2
0
static cairo_int_status_t
_paint_page (cairo_paginated_surface_t *surface)
{
    cairo_surface_t *analysis;
    cairo_surface_t *image;
    cairo_pattern_t *pattern;
    cairo_status_t status;

    analysis = _cairo_analysis_surface_create (surface->target,
					       surface->width, surface->height);
    if (analysis == NULL)
	return CAIRO_STATUS_NO_MEMORY;

    surface->backend->set_paginated_mode (surface->target, CAIRO_PAGINATED_MODE_ANALYZE);
    status = _cairo_meta_surface_replay (surface->meta, analysis);
    surface->backend->set_paginated_mode (surface->target, CAIRO_PAGINATED_MODE_RENDER);

    if (status || analysis->status) {
	if (status == CAIRO_STATUS_SUCCESS)
	    status = analysis->status;
	cairo_surface_destroy (analysis);
	return status;
    }

    if (_cairo_analysis_surface_has_unsupported (analysis))
    {
	double x_scale = surface->base.x_fallback_resolution / 72.0;
	double y_scale = surface->base.y_fallback_resolution / 72.0;
	cairo_matrix_t matrix;

	image = _cairo_paginated_surface_create_image_surface (surface,
							       surface->width  * x_scale,
							       surface->height * y_scale);
	_cairo_surface_set_device_scale (image, x_scale, y_scale);

	status = _cairo_meta_surface_replay (surface->meta, image);
	if (status)
	    goto CLEANUP_IMAGE;

	pattern = cairo_pattern_create_for_surface (image);
	cairo_matrix_init_scale (&matrix, x_scale, y_scale);
	cairo_pattern_set_matrix (pattern, &matrix);

	status = _cairo_surface_paint (surface->target, CAIRO_OPERATOR_SOURCE, pattern);

	cairo_pattern_destroy (pattern);

     CLEANUP_IMAGE:
	cairo_surface_destroy (image);
    }
    else
    {
	status = _cairo_meta_surface_replay (surface->meta, surface->target);
    }

    cairo_surface_destroy (analysis);

    return status;
}
コード例 #3
0
static cairo_int_status_t
_analyze_recording_surface_pattern (cairo_analysis_surface_t *surface,
				    const cairo_pattern_t    *pattern)
{
    const cairo_surface_pattern_t *surface_pattern;
    cairo_analysis_surface_t *tmp;
    cairo_surface_t *source, *proxy;
    cairo_matrix_t p2d;
    cairo_status_t status, analysis_status;

    assert (pattern->type == CAIRO_PATTERN_TYPE_SURFACE);
    surface_pattern = (const cairo_surface_pattern_t *) pattern;
    assert (surface_pattern->surface->type == CAIRO_SURFACE_TYPE_RECORDING);
    source = surface_pattern->surface;

    proxy = _cairo_surface_has_snapshot (source, &proxy_backend);
    if (proxy != NULL) {
	/* nothing untoward found so far */
	return CAIRO_STATUS_SUCCESS;
    }

    tmp = (cairo_analysis_surface_t *)
	_cairo_analysis_surface_create (surface->target);
    if (unlikely (tmp->base.status))
	return tmp->base.status;
    proxy = attach_proxy (source, &tmp->base);

    p2d = pattern->matrix;
    status = cairo_matrix_invert (&p2d);
    assert (status == CAIRO_STATUS_SUCCESS);

    cairo_matrix_multiply (&tmp->ctm, &p2d, &surface->ctm);
    tmp->has_ctm = ! _cairo_matrix_is_identity (&tmp->ctm);

    if (_cairo_surface_is_snapshot (source))
	source = _cairo_surface_snapshot_get_target (source);
    if (_cairo_surface_is_subsurface (source))
	source = _cairo_surface_subsurface_get_target (source);

    status = _cairo_recording_surface_replay_and_create_regions (source,
								 &tmp->base);
    analysis_status = tmp->has_unsupported ? CAIRO_INT_STATUS_IMAGE_FALLBACK : CAIRO_INT_STATUS_SUCCESS;
    detach_proxy (proxy);
    cairo_surface_destroy (&tmp->base);

    if (unlikely (status))
	return status;

    return analysis_status;
}
コード例 #4
0
static cairo_int_status_t
_paint_page (cairo_paginated_surface_t *surface)
{
    cairo_surface_t *analysis;
    cairo_status_t status;
    cairo_bool_t has_supported, has_page_fallback, has_finegrained_fallback;

    if (surface->target->status)
	return surface->target->status;

    analysis = _cairo_analysis_surface_create (surface->target,
					       surface->width, surface->height);
    if (analysis->status)
	return _cairo_surface_set_error (surface->target, analysis->status);

    surface->backend->set_paginated_mode (surface->target,
	                                  CAIRO_PAGINATED_MODE_ANALYZE);
    status = _cairo_meta_surface_replay_and_create_regions (surface->meta,
	                                                    analysis);
    if (status || analysis->status) {
	if (status == CAIRO_STATUS_SUCCESS)
	    status = analysis->status;
	goto FAIL;
    }

     if (surface->backend->set_bounding_box) {
	 cairo_box_t bbox;

	 _cairo_analysis_surface_get_bounding_box (analysis, &bbox);
	 status = surface->backend->set_bounding_box (surface->target, &bbox);
	 if (status)
	     goto FAIL;
     }

    if (surface->backend->set_fallback_images_required) {
	cairo_bool_t has_fallbacks = _cairo_analysis_surface_has_unsupported (analysis);

	status = surface->backend->set_fallback_images_required (surface->target,
								 has_fallbacks);
	if (status)
	    goto FAIL;
    }

    /* Finer grained fallbacks are currently only supported for some
     * surface types */
    switch (surface->target->type) {
        case CAIRO_SURFACE_TYPE_PDF:
        case CAIRO_SURFACE_TYPE_PS:
        case CAIRO_SURFACE_TYPE_WIN32_PRINTING:
            has_supported = _cairo_analysis_surface_has_supported (analysis);
            has_page_fallback = FALSE;
            has_finegrained_fallback = _cairo_analysis_surface_has_unsupported (analysis);
            break;

	case CAIRO_SURFACE_TYPE_IMAGE:
	case CAIRO_SURFACE_TYPE_XLIB:
	case CAIRO_SURFACE_TYPE_XCB:
	case CAIRO_SURFACE_TYPE_GLITZ:
	case CAIRO_SURFACE_TYPE_QUARTZ:
	case CAIRO_SURFACE_TYPE_QUARTZ_IMAGE:
	case CAIRO_SURFACE_TYPE_WIN32:
	case CAIRO_SURFACE_TYPE_BEOS:
	case CAIRO_SURFACE_TYPE_DIRECTFB:
	case CAIRO_SURFACE_TYPE_SVG:
	case CAIRO_SURFACE_TYPE_OS2:
        default:
            if (_cairo_analysis_surface_has_unsupported (analysis)) {
                has_supported = FALSE;
                has_page_fallback = TRUE;
            } else {
                has_supported = TRUE;
                has_page_fallback = FALSE;
            }
            has_finegrained_fallback = FALSE;
            break;
    }

    if (has_supported) {
	surface->backend->set_paginated_mode (surface->target,
		                              CAIRO_PAGINATED_MODE_RENDER);

	status = _cairo_meta_surface_replay_region (surface->meta,
						    surface->target,
						    CAIRO_META_REGION_NATIVE);
	assert (status != CAIRO_INT_STATUS_UNSUPPORTED);
	if (status)
	    goto FAIL;
    }

    if (has_page_fallback) {
	cairo_box_int_t box;

	surface->backend->set_paginated_mode (surface->target,
		                              CAIRO_PAGINATED_MODE_FALLBACK);

	box.p1.x = 0;
	box.p1.y = 0;
	box.p2.x = surface->width;
	box.p2.y = surface->height;
	status = _paint_fallback_image (surface, &box);
	if (status)
	    goto FAIL;
    }

    if (has_finegrained_fallback) {
        cairo_region_t *region;
        cairo_box_int_t *boxes;
        int num_boxes, i;

	surface->backend->set_paginated_mode (surface->target,
		                              CAIRO_PAGINATED_MODE_FALLBACK);

    /* Reset clip region before drawing the fall back images */
	status = _cairo_surface_intersect_clip_path (surface->target,
						     NULL,
						     CAIRO_FILL_RULE_WINDING,
						     CAIRO_GSTATE_TOLERANCE_DEFAULT,
						     CAIRO_ANTIALIAS_DEFAULT);
	if (status)
	    goto FAIL;

	region = _cairo_analysis_surface_get_unsupported (analysis);
	status = _cairo_region_get_boxes (region, &num_boxes, &boxes);
	if (status)
	    goto FAIL;
	for (i = 0; i < num_boxes; i++) {
	    status = _paint_fallback_image (surface, &boxes[i]);
	    if (status) {
                _cairo_region_boxes_fini (region, boxes);
		goto FAIL;
            }
	}
        _cairo_region_boxes_fini (region, boxes);
    }

  FAIL:
    cairo_surface_destroy (analysis);

    return _cairo_surface_set_error (surface->target, status);
}
コード例 #5
0
static cairo_int_status_t
_paint_page (cairo_paginated_surface_t *surface)
{
    cairo_surface_t *analysis;
    cairo_int_status_t status;
    cairo_bool_t has_supported, has_page_fallback, has_finegrained_fallback;

    if (unlikely (surface->target->status))
	return (cairo_int_status_t)surface->target->status;

    analysis = _cairo_analysis_surface_create (surface->target);
    if (unlikely (analysis->status))
	return (cairo_int_status_t)_cairo_surface_set_error (surface->target, (cairo_int_status_t)analysis->status);

    surface->backend->set_paginated_mode (surface->target,
	                                  CAIRO_PAGINATED_MODE_ANALYZE);
    status = (cairo_int_status_t)_cairo_recording_surface_replay_and_create_regions (surface->recording_surface,
								 analysis);
    if (status)
	goto FAIL;

    assert (analysis->status == CAIRO_STATUS_SUCCESS);

     if (surface->backend->set_bounding_box) {
	 cairo_box_t bbox;

	 _cairo_analysis_surface_get_bounding_box (analysis, &bbox);
	 status = surface->backend->set_bounding_box (surface->target, &bbox);
	 if (unlikely (status))
	     goto FAIL;
     }

    if (surface->backend->set_fallback_images_required) {
	cairo_bool_t has_fallbacks = _cairo_analysis_surface_has_unsupported (analysis);

	status = surface->backend->set_fallback_images_required (surface->target,
								 has_fallbacks);
	if (unlikely (status))
	    goto FAIL;
    }

    /* Finer grained fallbacks are currently only supported for some
     * surface types */
    if (surface->backend->supports_fine_grained_fallbacks != NULL &&
	surface->backend->supports_fine_grained_fallbacks (surface->target))
    {
	has_supported = _cairo_analysis_surface_has_supported (analysis);
	has_page_fallback = FALSE;
	has_finegrained_fallback = _cairo_analysis_surface_has_unsupported (analysis);
    }
    else
    {
	if (_cairo_analysis_surface_has_unsupported (analysis)) {
	    has_supported = FALSE;
	    has_page_fallback = TRUE;
	} else {
	    has_supported = TRUE;
	    has_page_fallback = FALSE;
	}
	has_finegrained_fallback = FALSE;
    }

    if (has_supported) {
	surface->backend->set_paginated_mode (surface->target,
		                              CAIRO_PAGINATED_MODE_RENDER);

	status = (cairo_int_status_t)_cairo_recording_surface_replay_region (surface->recording_surface,
							 NULL,
							 surface->target,
							 CAIRO_RECORDING_REGION_NATIVE);
	assert (status != CAIRO_INT_STATUS_UNSUPPORTED);
	if (unlikely (status))
	    goto FAIL;
    }

    if (has_page_fallback) {
	cairo_rectangle_int_t extents;
	cairo_bool_t is_bounded;

	surface->backend->set_paginated_mode (surface->target,
		                              CAIRO_PAGINATED_MODE_FALLBACK);

	is_bounded = _cairo_surface_get_extents (surface->target, &extents);
	if (! is_bounded) {
	    status = CAIRO_INT_STATUS_UNSUPPORTED;
	    goto FAIL;
	}

	status = _paint_fallback_image (surface, &extents);
	if (unlikely (status))
	    goto FAIL;
    }

    if (has_finegrained_fallback) {
        cairo_region_t *region;
        int num_rects, i;

	surface->backend->set_paginated_mode (surface->target,
		                              CAIRO_PAGINATED_MODE_FALLBACK);

	region = _cairo_analysis_surface_get_unsupported (analysis);

	num_rects = cairo_region_num_rectangles (region);
	for (i = 0; i < num_rects; i++) {
	    cairo_rectangle_int_t rect;

	    cairo_region_get_rectangle (region, i, &rect);
	    status = _paint_fallback_image (surface, &rect);
	    if (unlikely (status))
		goto FAIL;
	}
    }

  FAIL:
    cairo_surface_destroy (analysis);

    return _cairo_surface_set_error (surface->target, status);
}
コード例 #6
0
ファイル: cairo-user-font.c プロジェクト: soubok/libset
static cairo_int_status_t
_cairo_user_scaled_glyph_init (void			 *abstract_font,
			       cairo_scaled_glyph_t	 *scaled_glyph,
			       cairo_scaled_glyph_info_t  info)
{
    cairo_int_status_t status = CAIRO_STATUS_SUCCESS;
    cairo_user_scaled_font_t *scaled_font = abstract_font;
    cairo_surface_t *meta_surface = scaled_glyph->meta_surface;

    if (!scaled_glyph->meta_surface) {
	cairo_user_font_face_t *face =
	    (cairo_user_font_face_t *) scaled_font->base.font_face;
	cairo_text_extents_t extents = scaled_font->default_glyph_extents;
	cairo_t *cr;

	cr = _cairo_user_scaled_font_create_meta_context (scaled_font);

	if (face->scaled_font_methods.render_glyph)
	    status = face->scaled_font_methods.render_glyph ((cairo_scaled_font_t *)scaled_font,
							     _cairo_scaled_glyph_index(scaled_glyph),
							     cr, &extents);
	else
	    status = CAIRO_STATUS_USER_FONT_ERROR;

	if (status == CAIRO_STATUS_SUCCESS)
	    status = cairo_status (cr);

	meta_surface = cairo_surface_reference (cairo_get_target (cr));

	cairo_destroy (cr);

	if (status) {
	    cairo_surface_destroy (meta_surface);
	    return status;
	}

	_cairo_scaled_glyph_set_meta_surface (scaled_glyph,
					      &scaled_font->base,
					      meta_surface);


	/* set metrics */

	if (extents.width == 0.) {
	    /* Compute extents.x/y/width/height from meta_surface, in font space */

	    cairo_box_t bbox;
	    double x1, y1, x2, y2;
	    double x_scale, y_scale;
	    cairo_surface_t *null_surface;
	    cairo_surface_t *analysis_surface;

	    null_surface = _cairo_null_surface_create (cairo_surface_get_content (meta_surface));
	    analysis_surface = _cairo_analysis_surface_create (null_surface, -1, -1);
	    cairo_surface_destroy (null_surface);

	    _cairo_analysis_surface_set_ctm (analysis_surface, &scaled_font->extent_scale);
	    status = _cairo_meta_surface_replay (meta_surface, analysis_surface);
	    _cairo_analysis_surface_get_bounding_box (analysis_surface, &bbox);
	    cairo_surface_destroy (analysis_surface);

	    if (status)
		return status;

	    _cairo_box_to_doubles (&bbox, &x1, &y1, &x2, &y2);

	    x_scale = scaled_font->extent_x_scale;
	    y_scale = scaled_font->extent_y_scale;
	    extents.x_bearing = x1 * x_scale;
	    extents.y_bearing = y1 * y_scale;
	    extents.width     = (x2 - x1) * x_scale;
	    extents.height    = (y2 - y1) * y_scale;
	}

	if (scaled_font->base.options.hint_metrics != CAIRO_HINT_METRICS_OFF) {
	    extents.x_advance = _cairo_lround (extents.x_advance / scaled_font->snap_x_scale) * scaled_font->snap_x_scale;
	    extents.y_advance = _cairo_lround (extents.y_advance / scaled_font->snap_y_scale) * scaled_font->snap_y_scale;
	}

	_cairo_scaled_glyph_set_metrics (scaled_glyph,
					 &scaled_font->base,
					 &extents);
    }

    if (info & CAIRO_SCALED_GLYPH_INFO_SURFACE) {
	cairo_surface_t	*surface;
	cairo_status_t status = CAIRO_STATUS_SUCCESS;
	cairo_format_t format;
	int width, height;

	/* TODO
	 * extend the glyph cache to support argb glyphs.
	 * need to figure out the semantics and interaction with subpixel
	 * rendering first.
	 */

	width = _cairo_fixed_integer_ceil (scaled_glyph->bbox.p2.x) -
	  _cairo_fixed_integer_floor (scaled_glyph->bbox.p1.x);
	height = _cairo_fixed_integer_ceil (scaled_glyph->bbox.p2.y) -
	  _cairo_fixed_integer_floor (scaled_glyph->bbox.p1.y);

	switch (scaled_font->base.options.antialias) {
	default:
	case CAIRO_ANTIALIAS_DEFAULT:
	case CAIRO_ANTIALIAS_GRAY:	format = CAIRO_FORMAT_A8;	break;
	case CAIRO_ANTIALIAS_NONE:	format = CAIRO_FORMAT_A1;	break;
	case CAIRO_ANTIALIAS_SUBPIXEL:	format = CAIRO_FORMAT_ARGB32;	break;
	}
	surface = cairo_image_surface_create (format, width, height);

	cairo_surface_set_device_offset (surface,
	                                 - _cairo_fixed_integer_floor (scaled_glyph->bbox.p1.x),
	                                 - _cairo_fixed_integer_floor (scaled_glyph->bbox.p1.y));
	status = _cairo_meta_surface_replay (meta_surface, surface);

	if (status) {
	    cairo_surface_destroy(surface);
	    return status;
	}

	_cairo_scaled_glyph_set_surface (scaled_glyph,
					 &scaled_font->base,
					 (cairo_image_surface_t *) surface);
    }

    if (info & CAIRO_SCALED_GLYPH_INFO_PATH) {
	cairo_path_fixed_t *path = _cairo_path_fixed_create ();
	if (!path)
	    return _cairo_error (CAIRO_STATUS_NO_MEMORY);

	status = _cairo_meta_surface_get_path (meta_surface, path);

	if (status) {
	    _cairo_path_fixed_destroy (path);
	    return status;
	}

	_cairo_scaled_glyph_set_path (scaled_glyph,
				      &scaled_font->base,
				      path);
    }

    return status;
}
コード例 #7
0
ファイル: cairo-analysis-surface.c プロジェクト: behdad/cairo
static cairo_int_status_t
_analyze_recording_surface_pattern (cairo_analysis_surface_t *surface,
				    const cairo_pattern_t    *pattern,
				    cairo_rectangle_int_t    *extents)
{
    const cairo_surface_pattern_t *surface_pattern;
    cairo_analysis_surface_t *tmp;
    cairo_surface_t *source, *proxy;
    cairo_matrix_t p2d;
    cairo_int_status_t status, analysis_status;
    cairo_bool_t surface_is_unbounded;
    cairo_bool_t unused;

    assert (pattern->type == CAIRO_PATTERN_TYPE_SURFACE);
    surface_pattern = (const cairo_surface_pattern_t *) pattern;
    assert (surface_pattern->surface->type == CAIRO_SURFACE_TYPE_RECORDING);
    source = surface_pattern->surface;

    proxy = _cairo_surface_has_snapshot (source, &proxy_backend);
    if (proxy != NULL) {
	/* nothing untoward found so far */
	return CAIRO_STATUS_SUCCESS;
    }

    tmp = (cairo_analysis_surface_t *)
	_cairo_analysis_surface_create (surface->target);
    if (unlikely (tmp->base.status)) {
	status =tmp->base.status;
	goto cleanup1;
    }
    proxy = attach_proxy (source, &tmp->base);

    p2d = pattern->matrix;
    status = cairo_matrix_invert (&p2d);
    assert (status == CAIRO_INT_STATUS_SUCCESS);
    _cairo_analysis_surface_set_ctm (&tmp->base, &p2d);


    source = _cairo_surface_get_source (source, NULL);
    surface_is_unbounded = (pattern->extend == CAIRO_EXTEND_REPEAT
				     || pattern->extend == CAIRO_EXTEND_REFLECT);
    status = _cairo_recording_surface_replay_and_create_regions (source,
								 &pattern->matrix,
								 &tmp->base,
								 surface_is_unbounded);
    if (unlikely (status))
	goto cleanup2;

    /* black background or mime data fills entire extents */
    if (!(source->content & CAIRO_CONTENT_ALPHA) || _cairo_surface_has_mime_image (source)) {
	cairo_rectangle_int_t rect;

	if (_cairo_surface_get_extents (source, &rect)) {
	    cairo_box_t bbox;

	    _cairo_box_from_rectangle (&bbox, &rect);
	    _cairo_matrix_transform_bounding_box_fixed (&p2d, &bbox, NULL);
	    _cairo_box_round_to_rectangle (&bbox, &rect);
	    status = _add_operation (tmp, &rect, CAIRO_INT_STATUS_SUCCESS);
	    if (status == CAIRO_INT_STATUS_IMAGE_FALLBACK)
		status = CAIRO_INT_STATUS_SUCCESS;
	    if (unlikely (status))
		goto cleanup2;
	}
    }

    if (tmp->has_supported) {
	surface->has_supported = TRUE;
	unused = cairo_region_union (&surface->supported_region, &tmp->supported_region);
    }

    if (tmp->has_unsupported) {
	surface->has_unsupported = TRUE;
	unused = cairo_region_union (&surface->fallback_region, &tmp->fallback_region);
    }

    analysis_status = tmp->has_unsupported ? CAIRO_INT_STATUS_IMAGE_FALLBACK : CAIRO_INT_STATUS_SUCCESS;
    if (pattern->extend != CAIRO_EXTEND_NONE) {
	_cairo_unbounded_rectangle_init (extents);
    } else {
	status = cairo_matrix_invert (&tmp->ctm);
	_cairo_matrix_transform_bounding_box_fixed (&tmp->ctm,
						    &tmp->page_bbox, NULL);
	_cairo_box_round_to_rectangle (&tmp->page_bbox, extents);
    }

  cleanup2:
    detach_proxy (proxy);
  cleanup1:
    cairo_surface_destroy (&tmp->base);

    if (unlikely (status))
	return status;

    return analysis_status;
}