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#ifndef __SP_CANVAS_UTILS_H__
#define __SP_CANVAS_UTILS_H__

 * Helper stuff for SPCanvas
 * Authors:
 *   Lauris Kaplinski <lauris@kaplinski.com>
 * Copyright (C) 1999-2002 authors
 * Copyright (C) 2001-2002 Ximian, Inc.
 * Released under GNU GPL, read the file 'COPYING' for more information

#include "sp-canvas.h"

/* Miscellaneous utility & convenience functions for general canvas objects */

void sp_canvas_update_bbox (SPCanvasItem *item, int x1, int y1, int x2, int y2);
void sp_canvas_item_reset_bounds (SPCanvasItem *item);
void sp_canvas_buf_ensure_buf (SPCanvasBuf *buf);

/* fill buffer with background color */

sp_canvas_clear_buffer (SPCanvasBuf * buf);

/* get i2p (item to parent) affine transformation as general 6-element array */

NR::Matrix sp_canvas_item_i2p_affine (SPCanvasItem * item);

/* get i2i (item to item) affine transformation as general 6-element array */

NR::Matrix sp_canvas_item_i2i_affine (SPCanvasItem * from, SPCanvasItem * to);

/* set item affine matrix to achieve given i2w matrix */

void sp_canvas_item_set_i2w_affine (SPCanvasItem * item, NR::Matrix const & aff);

void sp_canvas_item_move_to_z (SPCanvasItem * item, gint z);

gint sp_canvas_item_compare_z (SPCanvasItem * a, SPCanvasItem * b);

class Shape;
class raster_info;
void ctrl_run_A8_OR (raster_info &dest, void *data, int st, float vst, int en, float ven);
void nr_pixblock_render_ctrl_rgba (Shape* theS, uint32_t color, NRRectL &area, char* destBuf, int stride);


  Local Variables:
  c-file-offsets:((innamespace . 0)(inline-open . 0))
// vim: filetype=c++:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :

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