Exemplo n.º 1
0
static cairo_status_t
_cairo_surface_clipper_intersect_clip_boxes (cairo_surface_clipper_t *clipper,
					     const cairo_clip_t *clip)
{
    cairo_path_fixed_t path;
    cairo_status_t status;
    int i;

    if (clip->num_boxes == 0)
	return CAIRO_STATUS_SUCCESS;

    /* Reconstruct the path for the clip boxes.
     * XXX maybe a new clipper callback?
     */

    _cairo_path_fixed_init (&path);
    for (i = 0; i < clip->num_boxes; i++) {
	status = _cairo_path_fixed_add_box (&path, &clip->boxes[i]);
	if (unlikely (status)) {
	    _cairo_path_fixed_fini (&path);
	    return status;
	}
    }

    status = clipper->intersect_clip_path (clipper, &path,
					   CAIRO_FILL_RULE_WINDING,
					   0.,
					   CAIRO_ANTIALIAS_DEFAULT);
    _cairo_path_fixed_fini (&path);

    return status;
}
static cairo_status_t
_cairo_meta_surface_finish (void *abstract_surface)
{
    cairo_meta_surface_t *meta = abstract_surface;
    cairo_command_t *command;
    cairo_command_t **elements;
    int i, num_elements;

    num_elements = meta->commands.num_elements;
    elements = (cairo_command_t **) meta->commands.elements;
    for (i = 0; i < num_elements; i++) {
	command = elements[i];
	switch (command->type) {
	case CAIRO_COMMAND_COMPOSITE:
	    _cairo_pattern_fini (&command->composite.src_pattern.base);
	    if (command->composite.mask_pattern_pointer)
		_cairo_pattern_fini (command->composite.mask_pattern_pointer);
	    free (command);
	    break;

	case CAIRO_COMMAND_FILL_RECTANGLES:
	    free (command->fill_rectangles.rects);
	    free (command);
	    break;

	case CAIRO_COMMAND_COMPOSITE_TRAPEZOIDS:
	    _cairo_pattern_fini (&command->composite_trapezoids.pattern.base);
	    free (command->composite_trapezoids.traps);
	    free (command);
	    break;

	case CAIRO_COMMAND_INTERSECT_CLIP_PATH:
	    if (command->intersect_clip_path.path_pointer)
		_cairo_path_fixed_fini (&command->intersect_clip_path.path);
	    free (command);
	    break;

	case CAIRO_COMMAND_SHOW_GLYPHS:
	    cairo_scaled_font_destroy (command->show_glyphs.scaled_font);
	    _cairo_pattern_fini (&command->show_glyphs.pattern.base);
	    free (command->show_glyphs.glyphs);
	    free (command);
	    break;

	case CAIRO_COMMAND_FILL_PATH:
	    _cairo_pattern_fini (&command->fill_path.pattern.base);
	    _cairo_path_fixed_fini (&command->fill_path.path);
	    free (command);
	    break;

	default:
	    ASSERT_NOT_REACHED;
	}
    }

    _cairo_array_fini (&meta->commands);

    return CAIRO_STATUS_SUCCESS;
}
static cairo_status_t
_cairo_recording_surface_finish (void *abstract_surface)
{
    cairo_recording_surface_t *recording_surface = abstract_surface;
    cairo_command_t **elements;
    int i, num_elements;

    num_elements = recording_surface->commands.num_elements;
    elements = _cairo_array_index (&recording_surface->commands, 0);
    for (i = 0; i < num_elements; i++) {
	cairo_command_t *command = elements[i];

	switch (command->header.type) {
	case CAIRO_COMMAND_PAINT:
	    _cairo_pattern_fini (&command->paint.source.base);
	    break;

	case CAIRO_COMMAND_MASK:
	    _cairo_pattern_fini (&command->mask.source.base);
	    _cairo_pattern_fini (&command->mask.mask.base);
	    break;

	case CAIRO_COMMAND_STROKE:
	    _cairo_pattern_fini (&command->stroke.source.base);
	    _cairo_path_fixed_fini (&command->stroke.path);
	    _cairo_stroke_style_fini (&command->stroke.style);
	    break;

	case CAIRO_COMMAND_FILL:
	    _cairo_pattern_fini (&command->fill.source.base);
	    _cairo_path_fixed_fini (&command->fill.path);
	    break;

	case CAIRO_COMMAND_SHOW_TEXT_GLYPHS:
	    _cairo_pattern_fini (&command->show_text_glyphs.source.base);
	    free (command->show_text_glyphs.utf8);
	    free (command->show_text_glyphs.glyphs);
	    free (command->show_text_glyphs.clusters);
	    cairo_scaled_font_destroy (command->show_text_glyphs.scaled_font);
	    break;

	default:
	    ASSERT_NOT_REACHED;
	}

	_cairo_clip_fini (&command->header.clip);
	free (command);
    }

    _cairo_array_fini (&recording_surface->commands);
    _cairo_clip_fini (&recording_surface->clip);

    return CAIRO_STATUS_SUCCESS;
}
Exemplo n.º 4
0
cairo_status_t
_cairo_path_fixed_init_copy (cairo_path_fixed_t *path,
			     cairo_path_fixed_t *other)
{
    cairo_path_buf_t *buf, *other_buf;

    _cairo_path_fixed_init (path);
    path->current_point = other->current_point;
    path->has_current_point = other->has_current_point;
    path->has_curve_to = other->has_curve_to;
    path->last_move_point = other->last_move_point;

    path->buf_head->num_ops = other->buf_head->num_ops;
    path->buf_head->num_points = other->buf_head->num_points;
    memcpy (path->buf_head->op, other->buf_head->op,
	    other->buf_head->num_ops * sizeof (other->buf_head->op[0]));
    memcpy (path->buf_head->points, other->buf_head->points,
	    other->buf_head->num_points * sizeof (other->buf_head->points[0]));
    for (other_buf = other->buf_head->next;
	 other_buf;
	 other_buf = other_buf->next)
    {
	buf = _cairo_path_buf_create ();
	if (buf == NULL) {
	    _cairo_path_fixed_fini (path);
	    return CAIRO_STATUS_NO_MEMORY;
	}
	memcpy (buf, other_buf, sizeof (cairo_path_buf_t));
	_cairo_path_fixed_add_buf (path, buf);
    }

    return CAIRO_STATUS_SUCCESS;
}
static cairo_int_status_t
_cairo_recording_surface_stroke (void			*abstract_surface,
				 cairo_operator_t	 op,
				 const cairo_pattern_t	*source,
				 cairo_path_fixed_t	*path,
				 const cairo_stroke_style_t	*style,
				 const cairo_matrix_t		*ctm,
				 const cairo_matrix_t		*ctm_inverse,
				 double			 tolerance,
				 cairo_antialias_t	 antialias,
				 cairo_clip_t		*clip)
{
    cairo_status_t status;
    cairo_recording_surface_t *recording_surface = abstract_surface;
    cairo_command_stroke_t *command;

    command = malloc (sizeof (cairo_command_stroke_t));
    if (unlikely (command == NULL))
	return _cairo_error (CAIRO_STATUS_NO_MEMORY);

    status = _command_init (recording_surface,
			    &command->header, CAIRO_COMMAND_STROKE, op, clip);
    if (unlikely (status))
	goto CLEANUP_COMMAND;

    status = _cairo_pattern_init_snapshot (&command->source.base, source);
    if (unlikely (status))
	goto CLEANUP_COMMAND;

    status = _cairo_path_fixed_init_copy (&command->path, path);
    if (unlikely (status))
	goto CLEANUP_SOURCE;

    status = _cairo_stroke_style_init_copy (&command->style, style);
    if (unlikely (status))
	goto CLEANUP_PATH;

    command->ctm = *ctm;
    command->ctm_inverse = *ctm_inverse;
    command->tolerance = tolerance;
    command->antialias = antialias;

    status = _cairo_array_append (&recording_surface->commands, &command);
    if (unlikely (status))
	goto CLEANUP_STYLE;

    return CAIRO_STATUS_SUCCESS;

  CLEANUP_STYLE:
    _cairo_stroke_style_fini (&command->style);
  CLEANUP_PATH:
    _cairo_path_fixed_fini (&command->path);
  CLEANUP_SOURCE:
    _cairo_pattern_fini (&command->source.base);
  CLEANUP_COMMAND:
    _cairo_clip_fini (&command->header.clip);
    free (command);
    return status;
}
cairo_status_t
_cairo_surface_wrapper_fill (cairo_surface_wrapper_t	*wrapper,
			     cairo_operator_t	 op,
			     const cairo_pattern_t *source,
			     cairo_path_fixed_t	*path,
			     cairo_fill_rule_t	 fill_rule,
			     double		 tolerance,
			     cairo_antialias_t	 antialias,
			     cairo_clip_t	*clip)
{
    cairo_status_t status;
    cairo_matrix_t device_transform;
    cairo_path_fixed_t path_copy, *dev_path = path;
    cairo_clip_t clip_copy, *dev_clip = clip;

    if (unlikely (wrapper->target->status))
	return wrapper->target->status;

    if (clip && clip->all_clipped)
	return CAIRO_STATUS_SUCCESS;

    if (_cairo_surface_wrapper_needs_device_transform (wrapper,
						       &device_transform))
    {
	status = _cairo_path_fixed_init_copy (&path_copy, dev_path);
	if (unlikely (status))
	    goto FINISH;

	_cairo_path_fixed_transform (&path_copy, &device_transform);
	dev_path = &path_copy;

	if (clip != NULL) {
	    status = _cairo_clip_init_copy_transformed (&clip_copy, clip,
							&device_transform);
	    if (unlikely (status))
		goto FINISH;

	    dev_clip = &clip_copy;
	}
    } else {
	if (clip != NULL) {
	    dev_clip = &clip_copy;
	    _cairo_clip_init_copy (&clip_copy, clip);
	}
    }

    status = _cairo_surface_fill (wrapper->target, op, source,
				  dev_path, fill_rule,
				  tolerance, antialias,
				  dev_clip);

 FINISH:
    if (dev_path != path)
	_cairo_path_fixed_fini (dev_path);
    if (dev_clip != clip)
	_cairo_clip_reset (dev_clip);
    return status;
}
cairo_status_t
_cairo_path_fixed_init_copy (cairo_path_fixed_t *path,
			     cairo_path_fixed_t *other)
{
    cairo_path_buf_t *buf, *other_buf;
    unsigned int num_points, num_ops, buf_size;

    _cairo_path_fixed_init (path);

    path->current_point = other->current_point;
    path->has_current_point = other->has_current_point;
    path->has_curve_to = other->has_curve_to;
    path->last_move_point = other->last_move_point;

    path->buf_head.base.num_ops = other->buf_head.base.num_ops;
    path->buf_head.base.num_points = other->buf_head.base.num_points;
    path->buf_head.base.buf_size = other->buf_head.base.buf_size;
    memcpy (path->buf_head.op, other->buf_head.base.op,
	    other->buf_head.base.num_ops * sizeof (other->buf_head.op[0]));
    memcpy (path->buf_head.points, other->buf_head.points,
	    other->buf_head.base.num_points * sizeof (other->buf_head.points[0]));

    num_points = num_ops = 0;
    for (other_buf = other->buf_head.base.next;
	 other_buf != NULL;
	 other_buf = other_buf->next)
    {
	num_ops    += other_buf->num_ops;
	num_points += other_buf->num_points;
    }

    buf_size = MAX (num_ops, (num_points + 1) / 2);
    if (buf_size) {
	buf = _cairo_path_buf_create (buf_size);
	if (buf == NULL) {
	    _cairo_path_fixed_fini (path);
	    return _cairo_error (CAIRO_STATUS_NO_MEMORY);
	}

	for (other_buf = other->buf_head.base.next;
	     other_buf != NULL;
	     other_buf = other_buf->next)
	{
	    memcpy (buf->op + buf->num_ops, other_buf->op,
		    other_buf->num_ops * sizeof (buf->op[0]));
	    buf->num_ops += other_buf->num_ops;

	    memcpy (buf->points + buf->num_points, other_buf->points,
		    other_buf->num_points * sizeof (buf->points[0]));
	    buf->num_points += other_buf->num_points;
	}

	_cairo_path_fixed_add_buf (path, buf);
    }

    return CAIRO_STATUS_SUCCESS;
}
Exemplo n.º 8
0
static cairo_int_status_t
_cairo_meta_surface_stroke (void			*abstract_surface,
			    cairo_operator_t		 op,
			    cairo_pattern_t		*source,
			    cairo_path_fixed_t		*path,
			    cairo_stroke_style_t	*style,
			    cairo_matrix_t		*ctm,
			    cairo_matrix_t		*ctm_inverse,
			    double			 tolerance,
			    cairo_antialias_t		 antialias)
{
    cairo_status_t status;
    cairo_meta_surface_t *meta = abstract_surface;
    cairo_command_stroke_t *command;

    command = malloc (sizeof (cairo_command_stroke_t));
    if (command == NULL)
	return _cairo_error (CAIRO_STATUS_NO_MEMORY);

    command->header.type = CAIRO_COMMAND_STROKE;
    command->header.region = CAIRO_META_REGION_ALL;
    command->op = op;

    status = _cairo_pattern_init_snapshot (&command->source.base, source);
    if (status)
	goto CLEANUP_COMMAND;

    status = _cairo_path_fixed_init_copy (&command->path, path);
    if (status)
	goto CLEANUP_SOURCE;

    status = _cairo_stroke_style_init_copy (&command->style, style);
    if (status)
	goto CLEANUP_PATH;

    command->ctm = *ctm;
    command->ctm_inverse = *ctm_inverse;
    command->tolerance = tolerance;
    command->antialias = antialias;

    status = _cairo_array_append (&meta->commands, &command);
    if (status)
	goto CLEANUP_STYLE;

    return CAIRO_STATUS_SUCCESS;

  CLEANUP_STYLE:
    _cairo_stroke_style_fini (&command->style);
  CLEANUP_PATH:
    _cairo_path_fixed_fini (&command->path);
  CLEANUP_SOURCE:
    _cairo_pattern_fini (&command->source.base);
  CLEANUP_COMMAND:
    free (command);
    return status;
}
Exemplo n.º 9
0
static cairo_status_t
_cairo_default_context_new_path (void *abstract_cr)
{
    cairo_default_context_t *cr = abstract_cr;

    _cairo_path_fixed_fini (cr->path);
    _cairo_path_fixed_init (cr->path);

    return CAIRO_STATUS_SUCCESS;
}
Exemplo n.º 10
0
cairo_status_t
_cairo_surface_offset_fill (cairo_surface_t	*surface,
			    int x, int y,
			    cairo_operator_t	 op,
			    const cairo_pattern_t*source,
			    const cairo_path_fixed_t	*path,
			    cairo_fill_rule_t	 fill_rule,
			    double		 tolerance,
			    cairo_antialias_t	 antialias,
			    const cairo_clip_t	*clip)
{
    cairo_status_t status;
    cairo_path_fixed_t path_copy, *dev_path = (cairo_path_fixed_t *) path;
    cairo_clip_t *dev_clip = (cairo_clip_t *) clip;
    cairo_pattern_union_t source_copy;

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

    if (_cairo_clip_is_all_clipped (clip))
	return CAIRO_STATUS_SUCCESS;

    if (x | y) {
	cairo_matrix_t m;

	dev_clip = _cairo_clip_copy_with_translation (clip, -x, -y);

	status = _cairo_path_fixed_init_copy (&path_copy, dev_path);
	if (unlikely (status))
	    goto FINISH;

	_cairo_path_fixed_translate (&path_copy,
				     _cairo_fixed_from_int (-x),
				     _cairo_fixed_from_int (-y));
	dev_path = &path_copy;

	cairo_matrix_init_translate (&m, x, y);
	_copy_transformed_pattern (&source_copy.base, source, &m);
	source = &source_copy.base;
    }

    status = _cairo_surface_fill (surface, op, source,
				  dev_path, fill_rule,
				  tolerance, antialias,
				  dev_clip);

FINISH:
    if (dev_path != path)
	_cairo_path_fixed_fini (dev_path);
    if (dev_clip != clip)
	_cairo_clip_destroy (dev_clip);

    return status;
}
Exemplo n.º 11
0
cairo_status_t
_cairo_surface_wrapper_fill (cairo_surface_wrapper_t	*wrapper,
			     cairo_operator_t	 op,
			     const cairo_pattern_t *source,
			     const cairo_path_fixed_t	*path,
			     cairo_fill_rule_t	 fill_rule,
			     double		 tolerance,
			     cairo_antialias_t	 antialias,
			     const cairo_clip_t	*clip)
{
    cairo_status_t status;
    cairo_path_fixed_t path_copy, *dev_path = (cairo_path_fixed_t *) path;
    cairo_pattern_union_t source_copy;
    cairo_clip_t *dev_clip;

    if (unlikely (wrapper->target->status))
	return wrapper->target->status;

    dev_clip = _cairo_surface_wrapper_get_clip (wrapper, clip);
    if (_cairo_clip_is_all_clipped (dev_clip))
	return CAIRO_INT_STATUS_NOTHING_TO_DO;

    if (wrapper->needs_transform) {
	cairo_matrix_t m;

	_cairo_surface_wrapper_get_transform (wrapper, &m);

	status = _cairo_path_fixed_init_copy (&path_copy, dev_path);
	if (unlikely (status))
	    goto FINISH;

	_cairo_path_fixed_transform (&path_copy, &m);
	dev_path = &path_copy;

	status = cairo_matrix_invert (&m);
	assert (status == CAIRO_STATUS_SUCCESS);

	_copy_transformed_pattern (&source_copy.base, source, &m);
	source = &source_copy.base;
    }

    status = _cairo_surface_fill (wrapper->target, op, source,
				  dev_path, fill_rule,
				  tolerance, antialias,
				  dev_clip);

 FINISH:
    if (dev_path != path)
	_cairo_path_fixed_fini (dev_path);
    _cairo_clip_destroy (dev_clip);
    return status;
}
Exemplo n.º 12
0
cairo_status_t
_cairo_clip_clip (cairo_clip_t       *clip,
		  cairo_path_fixed_t *path,
		  cairo_fill_rule_t   fill_rule,
		  double              tolerance,
		  cairo_antialias_t   antialias,
		  cairo_surface_t    *target)
{
    cairo_status_t status;
    cairo_traps_t traps;
    cairo_path_fixed_t path_transformed;

    if (_cairo_surface_has_device_offset_or_scale (target)) {
	_cairo_path_fixed_init_copy (&path_transformed, path);
	_cairo_path_fixed_offset (&path_transformed,
				  _cairo_fixed_from_double (target->device_x_offset),
				  _cairo_fixed_from_double (target->device_y_offset));
	path = &path_transformed;
    }
    
    status = _cairo_clip_intersect_path (clip,
					 path, fill_rule, tolerance,
					 antialias);
    if (status == CAIRO_STATUS_SUCCESS)
        clip->serial = _cairo_surface_allocate_clip_serial (target);

    if (status != CAIRO_INT_STATUS_UNSUPPORTED)
	return status;


    _cairo_traps_init (&traps);
    status = _cairo_path_fixed_fill_to_traps (path,
					      fill_rule,
					      tolerance,
					      &traps);
    if (status)
	goto bail;

    status = _cairo_clip_intersect_region (clip, &traps, target);
    if (status != CAIRO_INT_STATUS_UNSUPPORTED)
	goto bail;

    status = _cairo_clip_intersect_mask (clip, &traps, antialias, target);
	
 bail:
    _cairo_traps_fini (&traps);
    if (path == &path_transformed)
	_cairo_path_fixed_fini (&path_transformed);

    return status;
}
Exemplo n.º 13
0
static void
_cairo_clip_path_destroy (cairo_clip_path_t *clip_path)
{
    if (clip_path == NULL)
	return;

    clip_path->ref_count--;
    if (clip_path->ref_count)
	return;

    _cairo_path_fixed_fini (&clip_path->path);
    _cairo_clip_path_destroy (clip_path->prev);
    free (clip_path);
}
Exemplo n.º 14
0
static void
_cairo_clip_path_destroy (cairo_clip_path_t *clip_path)
{
    if (clip_path == NULL)
	return;

    assert (CAIRO_REFERENCE_COUNT_HAS_REFERENCE (&clip_path->ref_count));

    if (! _cairo_reference_count_dec_and_test (&clip_path->ref_count))
	return;

    _cairo_path_fixed_fini (&clip_path->path);
    _cairo_clip_path_destroy (clip_path->prev);
    free (clip_path);
}
Exemplo n.º 15
0
static cairo_int_status_t
_cairo_meta_surface_intersect_clip_path (void		    *dst,
					 cairo_path_fixed_t *path,
					 cairo_fill_rule_t   fill_rule,
					 double		     tolerance,
					 cairo_antialias_t   antialias)
{
    cairo_meta_surface_t *meta = dst;
    cairo_command_intersect_clip_path_t *command;
    cairo_status_t status;

    command = malloc (sizeof (cairo_command_intersect_clip_path_t));
    if (command == NULL)
	return _cairo_error (CAIRO_STATUS_NO_MEMORY);

    command->header.type = CAIRO_COMMAND_INTERSECT_CLIP_PATH;
    command->header.region = CAIRO_META_REGION_ALL;

    if (path) {
	status = _cairo_path_fixed_init_copy (&command->path, path);
	if (status) {
	    free (command);
	    return status;
	}
	command->path_pointer = &command->path;
	meta->is_clipped = TRUE;
    } else {
	command->path_pointer = NULL;
	meta->is_clipped = FALSE;
    }
    command->fill_rule = fill_rule;
    command->tolerance = tolerance;
    command->antialias = antialias;

    status = _cairo_array_append (&meta->commands, &command);
    if (status) {
	if (path)
	    _cairo_path_fixed_fini (&command->path);
	free (command);
	return status;
    }

    return CAIRO_STATUS_SUCCESS;
}
Exemplo n.º 16
0
static void
_cairo_clip_path_destroy (cairo_clip_path_t *clip_path)
{
    assert (CAIRO_REFERENCE_COUNT_HAS_REFERENCE (&clip_path->ref_count));

    if (! _cairo_reference_count_dec_and_test (&clip_path->ref_count))
	return;

    _cairo_path_fixed_fini (&clip_path->path);
    if (clip_path->region != NULL)
	cairo_region_destroy (clip_path->region);
    if (clip_path->surface != NULL)
	cairo_surface_destroy (clip_path->surface);

    if (clip_path->prev != NULL)
	_cairo_clip_path_destroy (clip_path->prev);

    _freed_pool_put (&clip_path_pool, clip_path);
}
Exemplo n.º 17
0
void
_cairo_default_context_fini (cairo_default_context_t *cr)
{
    while (cr->gstate != &cr->gstate_tail[0]) {
        if (_cairo_gstate_restore (&cr->gstate, &cr->gstate_freelist))
            break;
    }

    _cairo_gstate_fini (cr->gstate);
    cr->gstate_freelist = cr->gstate_freelist->next; /* skip over tail[1] */
    while (cr->gstate_freelist != NULL) {
        cairo_gstate_t *gstate = cr->gstate_freelist;
        cr->gstate_freelist = gstate->next;
        free (gstate);
    }

    _cairo_path_fixed_fini (cr->path);

    _cairo_fini (&cr->base);
}
static cairo_int_status_t
_cairo_meta_surface_fill_path (cairo_operator_t	   operator,
			       cairo_pattern_t	  *pattern,
			       void		  *abstract_surface,
			       cairo_path_fixed_t *path,
			       cairo_fill_rule_t   fill_rule,
			       double		   tolerance)
{
    cairo_meta_surface_t *meta = abstract_surface;
    cairo_command_fill_path_t *command;
    cairo_status_t status;

    command = malloc (sizeof (cairo_command_fill_path_t));
    if (command == NULL)
	return CAIRO_STATUS_NO_MEMORY;

    command->type = CAIRO_COMMAND_FILL_PATH;
    command->operator = operator;
    _cairo_pattern_init_copy (&command->pattern.base, pattern);
    status = _cairo_path_fixed_init_copy (&command->path, path);
    if (status) {
	_cairo_pattern_fini (&command->pattern.base);
	free (command);
	return CAIRO_STATUS_NO_MEMORY;
    }	
    command->fill_rule = fill_rule;
    command->tolerance = tolerance;

    if (_cairo_array_append (&meta->commands, &command, 1) == NULL) {
	_cairo_path_fixed_fini (&command->path);
	_cairo_pattern_fini (&command->pattern.base);
	free (command);
	return CAIRO_STATUS_NO_MEMORY;
    }

    return CAIRO_STATUS_SUCCESS;
}
Exemplo n.º 19
0
cairo_int_status_t
i965_surface_glyphs (void			*abstract_surface,
		     cairo_operator_t		 op,
		     const cairo_pattern_t	*source,
		     cairo_glyph_t		*g,
		     int			 num_glyphs,
		     cairo_scaled_font_t	*scaled_font,
		     cairo_clip_t		*clip,
		     int *num_remaining)
{
    i965_surface_t *surface = abstract_surface;
    i965_surface_t *mask = NULL;
    i965_device_t *device;
    i965_glyphs_t glyphs;
    cairo_composite_rectangles_t extents;
    cairo_clip_t local_clip;
    cairo_bool_t have_clip = FALSE;
    cairo_bool_t overlap;
    cairo_region_t *clip_region = NULL;
    intel_bo_t *last_bo = NULL;
    cairo_scaled_glyph_t *glyph_cache[64];
    cairo_status_t status;
    int mask_x = 0, mask_y = 0;
    int i = 0;

    *num_remaining = 0;
    status = _cairo_composite_rectangles_init_for_glyphs (&extents,
							  surface->intel.drm.width,
							  surface->intel.drm.height,
							  op, source,
							  scaled_font,
							  g, num_glyphs,
							  clip,
							  &overlap);
    if (unlikely (status))
	return status;

    if (clip != NULL && _cairo_clip_contains_rectangle (clip, &extents.mask))
	clip = NULL;

    if (clip != NULL && extents.is_bounded) {
	clip = _cairo_clip_init_copy (&local_clip, clip);
	status = _cairo_clip_rectangle (clip, &extents.bounded);
	if (unlikely (status))
	    return status;

	have_clip = TRUE;
    }

    if (overlap || ! extents.is_bounded) {
	cairo_format_t format;

	format = CAIRO_FORMAT_A8;
	if (scaled_font->options.antialias == CAIRO_ANTIALIAS_SUBPIXEL)
	    format = CAIRO_FORMAT_ARGB32;

	mask = (i965_surface_t *)
	    i965_surface_create_internal (&i965_device (surface)->intel.base,
					  format,
					  extents.bounded.width,
					  extents.bounded.height,
					  I965_TILING_DEFAULT,
					  TRUE);
	if (unlikely (mask->intel.drm.base.status))
	    return mask->intel.drm.base.status;

	status = _cairo_surface_paint (&mask->intel.drm.base,
				       CAIRO_OPERATOR_CLEAR,
				       &_cairo_pattern_clear.base,
				       NULL);
	if (unlikely (status)) {
	    cairo_surface_destroy (&mask->intel.drm.base);
	    return status;
	}

	i965_shader_init (&glyphs.shader, mask, CAIRO_OPERATOR_ADD);

	status = i965_shader_acquire_pattern (&glyphs.shader, &glyphs.shader.source,
					      &_cairo_pattern_white.base,
					      &extents.bounded);
	if (unlikely (status)) {
	    cairo_surface_destroy (&mask->intel.drm.base);
	    return status;
	}

	mask_x = -extents.bounded.x;
	mask_y = -extents.bounded.y;
    } else {
	i965_shader_init (&glyphs.shader, surface, op);

	status = i965_shader_acquire_pattern (&glyphs.shader, &glyphs.shader.source,
					      source, &extents.bounded);
	if (unlikely (status))
	    return status;

	if (clip != NULL) {
	    status = _cairo_clip_get_region (clip, &clip_region);
	    assert (status == CAIRO_STATUS_SUCCESS || status == CAIRO_INT_STATUS_UNSUPPORTED);

	    if (status == CAIRO_INT_STATUS_UNSUPPORTED)
		i965_shader_set_clip (&glyphs.shader, clip);
	}
    }

    glyphs.head.next = NULL;
    glyphs.head.bo = NULL;
    glyphs.head.count = 0;
    glyphs.tail = &glyphs.head;

    device = i965_device (surface);
    if (mask != NULL || clip_region == NULL) {
	glyphs.get_rectangle = i965_glyphs_emit_rectangle;
    } else {
	glyphs.get_rectangle = i965_glyphs_accumulate_rectangle;
	glyphs.head.bo = intel_bo_create (&device->intel,
					  I965_VERTEX_SIZE, I965_VERTEX_SIZE,
					  FALSE, I915_TILING_NONE, 0);
	if (unlikely (glyphs.head.bo == NULL))
	    return _cairo_error (CAIRO_STATUS_NO_MEMORY);

	glyphs.vbo_base = intel_bo_map (&device->intel, glyphs.head.bo);
    }
    glyphs.vbo_offset = 0;

    status = cairo_device_acquire (&device->intel.base.base);
    if (unlikely (status))
	goto CLEANUP_GLYPHS;

    _cairo_scaled_font_freeze_cache (scaled_font);
    //private = _cairo_scaled_font_get_device (scaled_font, device);
    if (scaled_font->surface_private == NULL) {
	scaled_font->surface_private = device;
	scaled_font->surface_backend = surface->intel.drm.base.backend;
	cairo_list_add (&scaled_font->link, &device->intel.fonts);
    }

    memset (glyph_cache, 0, sizeof (glyph_cache));

    for (i = 0; i < num_glyphs; i++) {
	cairo_scaled_glyph_t *scaled_glyph;
	int x, y, x1, x2, y1, y2;
	int cache_index = g[i].index % ARRAY_LENGTH (glyph_cache);
	intel_glyph_t *glyph;

	scaled_glyph = glyph_cache[cache_index];
	if (scaled_glyph == NULL ||
	    _cairo_scaled_glyph_index (scaled_glyph) != g[i].index)
	{
	    status = _cairo_scaled_glyph_lookup (scaled_font,
						 g[i].index,
						 CAIRO_SCALED_GLYPH_INFO_METRICS,
						 &scaled_glyph);
	    if (unlikely (status))
		goto FINISH;

	    glyph_cache[cache_index] = scaled_glyph;
	}

	if (unlikely (scaled_glyph->metrics.width  == 0 ||
		      scaled_glyph->metrics.height == 0))
	{
	    continue;
	}

	/* XXX glyph images are snapped to pixel locations */
	x = _cairo_lround (g[i].x);
	y = _cairo_lround (g[i].y);

	x1 = x + _cairo_fixed_integer_floor (scaled_glyph->bbox.p1.x);
	y1 = y + _cairo_fixed_integer_floor (scaled_glyph->bbox.p1.y);
	x2 = x + _cairo_fixed_integer_ceil (scaled_glyph->bbox.p2.x);
	y2 = y + _cairo_fixed_integer_ceil (scaled_glyph->bbox.p2.y);

	if (x2 < extents.bounded.x ||
	    y2 < extents.bounded.y ||
	    x1 > extents.bounded.x + extents.bounded.width ||
	    y1 > extents.bounded.y + extents.bounded.height)
	{
	    continue;
	}

	if (scaled_glyph->surface_private == NULL) {
	    status = intel_get_glyph (&device->intel, scaled_font, scaled_glyph);
	    if (unlikely (status == CAIRO_INT_STATUS_NOTHING_TO_DO)) {
		status = CAIRO_STATUS_SUCCESS;
		continue;
	    }
	    if (unlikely (status))
		goto FINISH;
	}
	glyph = intel_glyph_pin (scaled_glyph->surface_private);

	if (glyph->cache->buffer.bo != last_bo) {
	    intel_buffer_cache_t *cache = glyph->cache;

	    glyphs.shader.mask.type.vertex   = VS_GLYPHS;
	    glyphs.shader.mask.type.fragment = FS_GLYPHS;
	    glyphs.shader.mask.type.pattern  = PATTERN_BASE;

	    glyphs.shader.mask.base.bo = cache->buffer.bo;
	    glyphs.shader.mask.base.format = cache->buffer.format;
	    glyphs.shader.mask.base.width  = cache->buffer.width;
	    glyphs.shader.mask.base.height = cache->buffer.height;
	    glyphs.shader.mask.base.stride = cache->buffer.stride;
	    glyphs.shader.mask.base.filter = i965_filter (CAIRO_FILTER_NEAREST);
	    glyphs.shader.mask.base.extend = i965_extend (CAIRO_EXTEND_NONE);
	    glyphs.shader.mask.base.content = CAIRO_CONTENT_ALPHA; /* XXX */

	    glyphs.shader.committed = FALSE;
	    status = i965_shader_commit (&glyphs.shader, device);
	    if (unlikely (status))
		goto FINISH;

	    last_bo = cache->buffer.bo;
	}

	x2 = x1 + glyph->width;
	y2 = y1 + glyph->height;

	if (mask_x)
	    x1 += mask_x, x2 += mask_x;
	if (mask_y)
	    y1 += mask_y, y2 += mask_y;

	i965_add_glyph_rectangle (&glyphs, x1, y1, x2, y2, glyph);
    }

    if (mask != NULL && clip_region != NULL)
	i965_clipped_vertices (device, &glyphs.head, clip_region);

    status = CAIRO_STATUS_SUCCESS;
  FINISH:
    _cairo_scaled_font_thaw_cache (scaled_font);
    cairo_device_release (surface->intel.drm.base.device);
  CLEANUP_GLYPHS:
    i965_shader_fini (&glyphs.shader);

    if (glyphs.head.bo != NULL) {
	struct i965_vbo *vbo, *next;

	intel_bo_destroy (&device->intel, glyphs.head.bo);
	for (vbo = glyphs.head.next; vbo != NULL; vbo = next) {
	    next = vbo->next;
	    intel_bo_destroy (&device->intel, vbo->bo);
	    free (vbo);
	}
    }

    if (unlikely (status == CAIRO_INT_STATUS_UNSUPPORTED)) {
	cairo_path_fixed_t path;

	_cairo_path_fixed_init (&path);
	status = _cairo_scaled_font_glyph_path (scaled_font,
						g + i, num_glyphs - i,
						&path);
	if (mask_x | mask_y) {
	    _cairo_path_fixed_translate (&path,
					 _cairo_fixed_from_int (mask_x),
					 _cairo_fixed_from_int (mask_y));
	}
	if (likely (status == CAIRO_STATUS_SUCCESS)) {
	    status = surface->intel.drm.base.backend->fill (glyphs.shader.target,
							    glyphs.shader.op,
							    mask != NULL ? &_cairo_pattern_white.base : source,
							    &path,
							    CAIRO_FILL_RULE_WINDING,
							    0,
							    scaled_font->options.antialias,
							    clip);
	}
	_cairo_path_fixed_fini (&path);
    }

    if (mask != NULL) {
	if (likely (status == CAIRO_STATUS_SUCCESS)) {
	    status = i965_surface_mask_internal (surface, op, source, mask,
					         clip, &extents);
	}
	cairo_surface_finish (&mask->intel.drm.base);
	cairo_surface_destroy (&mask->intel.drm.base);
    }

    if (have_clip)
	_cairo_clip_fini (&local_clip);

    return status;
}
Exemplo n.º 20
0
static cairo_status_t
_cairo_meta_surface_replay_internal (cairo_surface_t	     *surface,
				     cairo_surface_t	     *target,
				     cairo_meta_replay_type_t type,
				     cairo_meta_region_type_t region)
{
    cairo_meta_surface_t *meta;
    cairo_command_t *command, **elements;
    int i, num_elements;
    cairo_int_status_t status, status2;
    cairo_clip_t clip, *old_clip;
    cairo_bool_t has_device_transform = _cairo_surface_has_device_transform (target);
    cairo_matrix_t *device_transform = &target->device_transform;
    cairo_path_fixed_t path_copy, *dev_path;

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

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

    meta = (cairo_meta_surface_t *) surface;
    status = CAIRO_STATUS_SUCCESS;

    _cairo_clip_init (&clip, target);
    old_clip = _cairo_surface_get_clip (target);

    num_elements = meta->commands.num_elements;
    elements = _cairo_array_index (&meta->commands, 0);
    for (i = meta->replay_start_idx; i < num_elements; i++) {
	command = elements[i];

	if (type == CAIRO_META_REPLAY && region != CAIRO_META_REGION_ALL) {
	    if (command->header.region != region)
		continue;
        }

	/* For all commands except intersect_clip_path, we have to
	 * ensure the current clip gets set on the surface. */
	if (command->header.type != CAIRO_COMMAND_INTERSECT_CLIP_PATH) {
	    status = _cairo_surface_set_clip (target, &clip);
	    if (status)
		break;
	}

	dev_path = _cairo_command_get_path (command);
	if (dev_path && has_device_transform) {
	    status = _cairo_path_fixed_init_copy (&path_copy, dev_path);
	    if (status)
		break;
	    _cairo_path_fixed_transform (&path_copy, device_transform);
	    dev_path = &path_copy;
	}

	switch (command->header.type) {
	case CAIRO_COMMAND_PAINT:
	    status = _cairo_surface_paint (target,
					   command->paint.op,
					   &command->paint.source.base);
	    break;
	case CAIRO_COMMAND_MASK:
	    status = _cairo_surface_mask (target,
					  command->mask.op,
					  &command->mask.source.base,
					  &command->mask.mask.base);
	    break;
	case CAIRO_COMMAND_STROKE:
	{
	    cairo_matrix_t dev_ctm = command->stroke.ctm;
	    cairo_matrix_t dev_ctm_inverse = command->stroke.ctm_inverse;

	    if (has_device_transform) {
		cairo_matrix_multiply (&dev_ctm, &dev_ctm, device_transform);
		cairo_matrix_multiply (&dev_ctm_inverse,
				       &target->device_transform_inverse,
				       &dev_ctm_inverse);
	    }

	    status = _cairo_surface_stroke (target,
					    command->stroke.op,
					    &command->stroke.source.base,
					    dev_path,
					    &command->stroke.style,
					    &dev_ctm,
					    &dev_ctm_inverse,
					    command->stroke.tolerance,
					    command->stroke.antialias);
	    break;
	}
	case CAIRO_COMMAND_FILL:
	{
	    cairo_command_t *stroke_command;

	    if (type != CAIRO_META_CREATE_REGIONS)
		stroke_command = (i < num_elements - 1) ? elements[i + 1] : NULL;
	    else
		stroke_command = NULL;

	    if (stroke_command != NULL &&
		type == CAIRO_META_REPLAY && region != CAIRO_META_REGION_ALL)
	    {
		if (stroke_command->header.region != region)
		    stroke_command = NULL;
	    }
	    if (stroke_command != NULL &&
		stroke_command->header.type == CAIRO_COMMAND_STROKE &&
		_cairo_path_fixed_is_equal (dev_path, _cairo_command_get_path (stroke_command))) {
		cairo_matrix_t dev_ctm;
		cairo_matrix_t dev_ctm_inverse;

		dev_ctm = stroke_command->stroke.ctm;
		dev_ctm_inverse = stroke_command->stroke.ctm_inverse;

		if (has_device_transform) {
		    cairo_matrix_multiply (&dev_ctm, &dev_ctm, device_transform);
		    cairo_matrix_multiply (&dev_ctm_inverse,
					   &surface->device_transform_inverse,
					   &dev_ctm_inverse);
		}

		status = _cairo_surface_fill_stroke (target,
						     command->fill.op,
						     &command->fill.source.base,
						     command->fill.fill_rule,
						     command->fill.tolerance,
						     command->fill.antialias,
						     dev_path,
						     stroke_command->stroke.op,
						     &stroke_command->stroke.source.base,
						     &stroke_command->stroke.style,
						     &dev_ctm,
						     &dev_ctm_inverse,
						     stroke_command->stroke.tolerance,
						     stroke_command->stroke.antialias);
		i++;
	    } else
		status = _cairo_surface_fill (target,
					      command->fill.op,
					      &command->fill.source.base,
					      dev_path,
					      command->fill.fill_rule,
					      command->fill.tolerance,
					      command->fill.antialias);
	    break;
	}
	case CAIRO_COMMAND_SHOW_TEXT_GLYPHS:
	{
	    cairo_glyph_t *glyphs = command->show_text_glyphs.glyphs;
	    cairo_glyph_t *dev_glyphs;
	    int i, num_glyphs = command->show_text_glyphs.num_glyphs;

            /* show_text_glyphs is special because _cairo_surface_show_text_glyphs is allowed
	     * to modify the glyph array that's passed in.  We must always
	     * copy the array before handing it to the backend.
	     */
	    dev_glyphs = _cairo_malloc_ab (num_glyphs, sizeof (cairo_glyph_t));
	    if (dev_glyphs == NULL) {
		status = _cairo_error (CAIRO_STATUS_NO_MEMORY);
		break;
	    }

	    if (has_device_transform) {
		for (i = 0; i < num_glyphs; i++) {
		    dev_glyphs[i] = glyphs[i];
		    cairo_matrix_transform_point (device_transform,
						  &dev_glyphs[i].x,
						  &dev_glyphs[i].y);
		}
	    } else {
		memcpy (dev_glyphs, glyphs, sizeof (cairo_glyph_t) * num_glyphs);
	    }

	    status = _cairo_surface_show_text_glyphs	(target,
							 command->show_text_glyphs.op,
							 &command->show_text_glyphs.source.base,
							 command->show_text_glyphs.utf8, command->show_text_glyphs.utf8_len,
							 dev_glyphs, num_glyphs,
							 command->show_text_glyphs.clusters, command->show_text_glyphs.num_clusters,
							 command->show_text_glyphs.cluster_flags,
							 command->show_text_glyphs.scaled_font);

	    free (dev_glyphs);
	    break;
	}
	case CAIRO_COMMAND_INTERSECT_CLIP_PATH:
	    /* XXX Meta surface clipping is broken and requires some
	     * cairo-gstate.c rewriting.  Work around it for now. */
	    if (dev_path == NULL)
		_cairo_clip_reset (&clip);
	    else
		status = _cairo_clip_clip (&clip, dev_path,
					   command->intersect_clip_path.fill_rule,
					   command->intersect_clip_path.tolerance,
					   command->intersect_clip_path.antialias,
					   target);
	    break;
	default:
	    ASSERT_NOT_REACHED;
	}

	if (dev_path == &path_copy)
	    _cairo_path_fixed_fini (&path_copy);

	if (type == CAIRO_META_CREATE_REGIONS) {
	    if (status == CAIRO_STATUS_SUCCESS) {
		command->header.region = CAIRO_META_REGION_NATIVE;
	    } else if (status == CAIRO_INT_STATUS_IMAGE_FALLBACK) {
		command->header.region = CAIRO_META_REGION_IMAGE_FALLBACK;
		status = CAIRO_STATUS_SUCCESS;
	    }
	}

	if (status)
	    break;
    }

    _cairo_clip_reset (&clip);
    status2 = _cairo_surface_set_clip (target, old_clip);
    if (status == CAIRO_STATUS_SUCCESS)
	status = status2;

    return _cairo_surface_set_error (surface, status);
}
void
_cairo_path_fixed_destroy (cairo_path_fixed_t *path)
{
    _cairo_path_fixed_fini (path);
    free (path);
}
Exemplo n.º 22
0
cairo_status_t
_cairo_surface_wrapper_fill (cairo_surface_wrapper_t	*wrapper,
                             cairo_operator_t	 op,
                             const cairo_pattern_t *source,
                             cairo_path_fixed_t	*path,
                             cairo_fill_rule_t	 fill_rule,
                             double		 tolerance,
                             cairo_antialias_t	 antialias,
                             cairo_clip_t	*clip)
{
    cairo_status_t status;
    cairo_path_fixed_t path_copy, *dev_path = path;
    cairo_clip_t clip_copy, *dev_clip = clip;
    cairo_pattern_union_t source_copy;
    cairo_clip_t target_clip;

    if (unlikely (wrapper->target->status))
        return wrapper->target->status;

    if (wrapper->has_extents) {
        _cairo_clip_init_copy (&target_clip, clip);
        status = _cairo_clip_rectangle (&target_clip, &wrapper->extents);
        if (unlikely (status))
            goto FINISH;

        dev_clip = clip = &target_clip;
    }

    if (clip && clip->all_clipped) {
        status = CAIRO_STATUS_SUCCESS;
        goto FINISH;
    }

    if (_cairo_surface_wrapper_needs_device_transform (wrapper) ||
            _cairo_surface_wrapper_needs_extents_transform (wrapper))
    {
        cairo_matrix_t m;

        cairo_matrix_init_identity (&m);

        if (_cairo_surface_wrapper_needs_extents_transform (wrapper))
            cairo_matrix_translate (&m, -wrapper->extents.x, -wrapper->extents.y);

        if (_cairo_surface_wrapper_needs_device_transform (wrapper))
            cairo_matrix_multiply (&m, &wrapper->target->device_transform, &m);

        status = _cairo_path_fixed_init_copy (&path_copy, dev_path);
        if (unlikely (status))
            goto FINISH;

        _cairo_path_fixed_transform (&path_copy, &m);
        dev_path = &path_copy;

        if (clip != NULL) {
            status = _cairo_clip_init_copy_transformed (&clip_copy, clip, &m);
            if (unlikely (status))
                goto FINISH;

            dev_clip = &clip_copy;
        }

        status = cairo_matrix_invert (&m);
        assert (status == CAIRO_STATUS_SUCCESS);

        _copy_transformed_pattern (&source_copy.base, source, &m);
        source = &source_copy.base;
    }
    else
    {
        if (clip != NULL) {
            dev_clip = &clip_copy;
            _cairo_clip_init_copy (&clip_copy, clip);
        }
    }

    status = _cairo_surface_fill (wrapper->target, op, source,
                                  dev_path, fill_rule,
                                  tolerance, antialias,
                                  dev_clip);

FINISH:
    if (dev_path != path)
        _cairo_path_fixed_fini (dev_path);
    if (wrapper->has_extents)
        _cairo_clip_reset (&target_clip);
    if (dev_clip != clip)
        _cairo_clip_reset (dev_clip);
    return status;
}
Exemplo n.º 23
0
cairo_status_t
_cairo_surface_offset_stroke (cairo_surface_t		*surface,
			      int x, int y,
			      cairo_operator_t		 op,
			      const cairo_pattern_t	*source,
			      cairo_path_fixed_t	*path,
			      const cairo_stroke_style_t*stroke_style,
			      const cairo_matrix_t	*ctm,
			      const cairo_matrix_t	*ctm_inverse,
			      double			 tolerance,
			      cairo_antialias_t		 antialias,
			      cairo_clip_t		*clip)
{
    cairo_path_fixed_t path_copy, *dev_path = path;
    cairo_clip_t clip_copy, *dev_clip = clip;
    cairo_matrix_t dev_ctm = *ctm;
    cairo_matrix_t dev_ctm_inverse = *ctm_inverse;
    cairo_pattern_union_t source_copy;
    cairo_status_t status;

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

    if (clip && clip->all_clipped)
	return CAIRO_STATUS_SUCCESS;

    if (x | y) {
	cairo_matrix_t m;

	status = _cairo_path_fixed_init_copy (&path_copy, dev_path);
	if (unlikely (status))
	    goto FINISH;

	_cairo_path_fixed_translate (&path_copy,
				     _cairo_fixed_from_int (-x),
				     _cairo_fixed_from_int (-y));
	dev_path = &path_copy;

	cairo_matrix_init_translate (&m, -x, -y);
	cairo_matrix_multiply (&dev_ctm, &dev_ctm, &m);
	if (clip != NULL) {
	    status = _cairo_clip_init_copy_transformed (&clip_copy, clip, &m);
	    if (unlikely (status))
		goto FINISH;

	    dev_clip = &clip_copy;
	}

	cairo_matrix_init_translate (&m, x, y);
	_copy_transformed_pattern (&source_copy.base, source, &m);
	source = &source_copy.base;
	cairo_matrix_multiply (&dev_ctm_inverse, &m, &dev_ctm_inverse);
    }

    status = _cairo_surface_stroke (surface, op, source,
				    dev_path, stroke_style,
				    &dev_ctm, &dev_ctm_inverse,
				    tolerance, antialias,
				    dev_clip);

 FINISH:
    if (dev_path != path)
	_cairo_path_fixed_fini (dev_path);
    if (dev_clip != clip)
	_cairo_clip_reset (dev_clip);

    return status;
}
Exemplo n.º 24
0
cairo_surface_t *
_cairo_clip_get_surface (const cairo_clip_t *clip,
			 cairo_surface_t *target,
			 int *tx, int *ty)
{
    cairo_surface_t *surface;
    cairo_status_t status;
    cairo_clip_t *copy, *region;
    cairo_clip_path_t *copy_path, *clip_path;

    if (clip->num_boxes) {
	cairo_path_fixed_t path;
	int i;

	surface = _cairo_surface_create_scratch (target,
						 CAIRO_CONTENT_ALPHA,
						 clip->extents.width,
						 clip->extents.height,
						 CAIRO_COLOR_TRANSPARENT);
	if (unlikely (surface->status))
	    return surface;

	_cairo_path_fixed_init (&path);
	status = CAIRO_STATUS_SUCCESS;
	for (i = 0; status == CAIRO_STATUS_SUCCESS && i < clip->num_boxes; i++) {
	    status = _cairo_path_fixed_add_box (&path, &clip->boxes[i],
						-_cairo_fixed_from_int (clip->extents.x),
						-_cairo_fixed_from_int (clip->extents.y));
	}
	if (status == CAIRO_STATUS_SUCCESS)
	    status = _cairo_surface_fill (surface,
					  CAIRO_OPERATOR_ADD,
					  &_cairo_pattern_white.base,
					  &path,
					  CAIRO_FILL_RULE_WINDING,
					  1.,
					  CAIRO_ANTIALIAS_DEFAULT,
					  NULL);
	_cairo_path_fixed_fini (&path);
	if (unlikely (status)) {
	    cairo_surface_destroy (surface);
	    return _cairo_surface_create_in_error (status);
	}
    } else {
	surface = _cairo_surface_create_scratch (target,
						 CAIRO_CONTENT_ALPHA,
						 clip->extents.width,
						 clip->extents.height,
						 CAIRO_COLOR_WHITE);
	if (unlikely (surface->status))
	    return surface;
    }

    copy = _cairo_clip_copy_with_translation (clip,
					      -clip->extents.x,
					      -clip->extents.y);
    copy_path = copy->path;
    copy->path = NULL;

    region = copy;
    if (! _cairo_clip_is_region (copy))
	region = _cairo_clip_copy_region (copy);

    status = CAIRO_STATUS_SUCCESS;
    clip_path = copy_path;
    while (status == CAIRO_STATUS_SUCCESS && clip_path) {
	status = _cairo_surface_fill (surface,
				      CAIRO_OPERATOR_IN,
				      &_cairo_pattern_white.base,
				      &clip_path->path,
				      clip_path->fill_rule,
				      clip_path->tolerance,
				      clip_path->antialias,
				      region);
	clip_path = clip_path->prev;
    }

    copy->path = copy_path;
    _cairo_clip_destroy (copy);
    if (region != copy)
	_cairo_clip_destroy (region);

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

    *tx = clip->extents.x;
    *ty = clip->extents.y;
    return surface;
}
Exemplo n.º 25
0
cairo_status_t
_cairo_path_fixed_init_copy (cairo_path_fixed_t *path,
			     const cairo_path_fixed_t *other)
{
    cairo_path_buf_t *buf, *other_buf;
    unsigned int num_points, num_ops;

    VG (VALGRIND_MAKE_MEM_UNDEFINED (path, sizeof (cairo_path_fixed_t)));

    cairo_list_init (&path->buf.base.link);

    path->buf.base.op = path->buf.op;
    path->buf.base.points = path->buf.points;
    path->buf.base.size_ops = ARRAY_LENGTH (path->buf.op);
    path->buf.base.size_points = ARRAY_LENGTH (path->buf.points);

    path->current_point = other->current_point;
    path->last_move_point = other->last_move_point;
    path->has_last_move_point = other->has_last_move_point;
    path->has_current_point = other->has_current_point;
    path->has_curve_to = other->has_curve_to;
    path->is_rectilinear = other->is_rectilinear;
    path->maybe_fill_region = other->maybe_fill_region;
    path->is_empty_fill = other->is_empty_fill;

    path->extents = other->extents;

    path->buf.base.num_ops = other->buf.base.num_ops;
    path->buf.base.num_points = other->buf.base.num_points;
    memcpy (path->buf.op, other->buf.base.op,
	    other->buf.base.num_ops * sizeof (other->buf.op[0]));
    memcpy (path->buf.points, other->buf.points,
	    other->buf.base.num_points * sizeof (other->buf.points[0]));

    num_points = num_ops = 0;
    for (other_buf = cairo_path_buf_next (cairo_path_head (other));
	 other_buf != cairo_path_head (other);
	 other_buf = cairo_path_buf_next (other_buf))
    {
	num_ops    += other_buf->num_ops;
	num_points += other_buf->num_points;
    }

    if (num_ops) {
	buf = _cairo_path_buf_create (num_ops, num_points);
	if (unlikely (buf == NULL)) {
	    _cairo_path_fixed_fini (path);
	    return _cairo_error (CAIRO_STATUS_NO_MEMORY);
	}

	for (other_buf = cairo_path_buf_next (cairo_path_head (other));
	     other_buf != cairo_path_head (other);
	     other_buf = cairo_path_buf_next (other_buf))
	{
	    memcpy (buf->op + buf->num_ops, other_buf->op,
		    other_buf->num_ops * sizeof (buf->op[0]));
	    buf->num_ops += other_buf->num_ops;

	    memcpy (buf->points + buf->num_points, other_buf->points,
		    other_buf->num_points * sizeof (buf->points[0]));
	    buf->num_points += other_buf->num_points;
	}

	_cairo_path_fixed_add_buf (path, buf);
    }

    return CAIRO_STATUS_SUCCESS;
}
Exemplo n.º 26
0
static cairo_status_t
_cairo_meta_surface_finish (void *abstract_surface)
{
    cairo_meta_surface_t *meta = abstract_surface;
    cairo_command_t *command;
    cairo_command_t **elements;
    int i, num_elements;

    if (meta->commands_owner) {
	cairo_surface_destroy (meta->commands_owner);
	return CAIRO_STATUS_SUCCESS;
    }

    num_elements = meta->commands.num_elements;
    elements = _cairo_array_index (&meta->commands, 0);
    for (i = 0; i < num_elements; i++) {
	command = elements[i];
	switch (command->header.type) {

	/* 5 basic drawing operations */

	case CAIRO_COMMAND_PAINT:
	    _cairo_pattern_fini (&command->paint.source.base);
	    free (command);
	    break;

	case CAIRO_COMMAND_MASK:
	    _cairo_pattern_fini (&command->mask.source.base);
	    _cairo_pattern_fini (&command->mask.mask.base);
	    free (command);
	    break;

	case CAIRO_COMMAND_STROKE:
	    _cairo_pattern_fini (&command->stroke.source.base);
	    _cairo_path_fixed_fini (&command->stroke.path);
	    _cairo_stroke_style_fini (&command->stroke.style);
	    free (command);
	    break;

	case CAIRO_COMMAND_FILL:
	    _cairo_pattern_fini (&command->fill.source.base);
	    _cairo_path_fixed_fini (&command->fill.path);
	    free (command);
	    break;

	case CAIRO_COMMAND_SHOW_TEXT_GLYPHS:
	    _cairo_pattern_fini (&command->show_text_glyphs.source.base);
	    free (command->show_text_glyphs.utf8);
	    free (command->show_text_glyphs.glyphs);
	    free (command->show_text_glyphs.clusters);
	    cairo_scaled_font_destroy (command->show_text_glyphs.scaled_font);
	    free (command);
	    break;

	/* Other junk. */
	case CAIRO_COMMAND_INTERSECT_CLIP_PATH:
	    if (command->intersect_clip_path.path_pointer)
		_cairo_path_fixed_fini (&command->intersect_clip_path.path);
	    free (command);
	    break;

	default:
	    ASSERT_NOT_REACHED;
	}
    }

    _cairo_array_fini (&meta->commands);

    return CAIRO_STATUS_SUCCESS;
}
cairo_status_t
_cairo_surface_wrapper_fill_stroke (cairo_surface_wrapper_t *wrapper,
				    cairo_operator_t	     fill_op,
				    const cairo_pattern_t   *fill_source,
				    cairo_fill_rule_t	     fill_rule,
				    double		     fill_tolerance,
				    cairo_antialias_t	     fill_antialias,
				    cairo_path_fixed_t	    *path,
				    cairo_operator_t	     stroke_op,
				    const cairo_pattern_t   *stroke_source,
				    cairo_stroke_style_t    *stroke_style,
				    cairo_matrix_t	    *stroke_ctm,
				    cairo_matrix_t	    *stroke_ctm_inverse,
				    double		     stroke_tolerance,
				    cairo_antialias_t	     stroke_antialias,
				    cairo_clip_t	    *clip)
{
    cairo_status_t status;
    cairo_matrix_t device_transform;
    cairo_path_fixed_t path_copy, *dev_path = path;
    cairo_clip_t clip_copy, *dev_clip = clip;
    cairo_matrix_t dev_ctm = *stroke_ctm;
    cairo_matrix_t dev_ctm_inverse = *stroke_ctm_inverse;

    if (unlikely (wrapper->target->status))
	return wrapper->target->status;

    if (clip && clip->all_clipped)
	return CAIRO_STATUS_SUCCESS;

    if (_cairo_surface_wrapper_needs_device_transform (wrapper,
						       &device_transform))
    {
	status = _cairo_path_fixed_init_copy (&path_copy, dev_path);
	if (unlikely (status))
	    goto FINISH;

	_cairo_path_fixed_transform (&path_copy, &device_transform);
	dev_path = &path_copy;

	if (clip != NULL) {
	    status = _cairo_clip_init_copy_transformed (&clip_copy, clip,
							&device_transform);
	    if (unlikely (status))
		goto FINISH;

	    dev_clip = &clip_copy;
	}

	cairo_matrix_multiply (&dev_ctm, &dev_ctm, &device_transform);
	status = cairo_matrix_invert (&device_transform);
	assert (status == CAIRO_STATUS_SUCCESS);
	cairo_matrix_multiply (&dev_ctm_inverse,
			       &device_transform,
			       &dev_ctm_inverse);
    } else {
	if (clip != NULL) {
	    dev_clip = &clip_copy;
	    _cairo_clip_init_copy (&clip_copy, clip);
	}
    }

    status = _cairo_surface_fill_stroke (wrapper->target,
					 fill_op, fill_source, fill_rule,
					 fill_tolerance, fill_antialias,
					 dev_path,
					 stroke_op, stroke_source,
					 stroke_style,
					 &dev_ctm, &dev_ctm_inverse,
					 stroke_tolerance, stroke_antialias,
					 dev_clip);

  FINISH:
    if (dev_path != path)
	_cairo_path_fixed_fini (dev_path);
    if (dev_clip != clip)
	_cairo_clip_reset (dev_clip);
    return status;
}