gs/src/gxpaint.c


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/* Copyright (C) 1995, 1996, 1998, 1999 Aladdin Enterprises.  All rights reserved.

   This software is licensed to a single customer by Artifex Software Inc.
   under the terms of a specific OEM agreement.
 */

/*$RCSfile$ $Revision$ */
/* Graphics-state-aware fill and stroke procedures */
#include "gx.h"
#include "gzstate.h"
#include "gxdevice.h"
#include "gxhttile.h"
#include "gxpaint.h"
#include "gxpath.h"

/* Fill a path. */
int
gx_fill_path(gx_path * ppath, gx_device_color * pdevc, gs_state * pgs,
	     int rule, fixed adjust_x, fixed adjust_y)
{
    gx_device *dev = gs_currentdevice_inline(pgs);
    gx_clip_path *pcpath;
    int code = gx_effective_clip_path(pgs, &pcpath);
    gx_fill_params params;

    if (code < 0)
	return code;
    params.rule = rule;
    params.adjust.x = adjust_x;
    params.adjust.y = adjust_y;
    params.flatness = (pgs->in_cachedevice > 1 ? 0.0 : pgs->flatness);
    params.fill_zero_width = (adjust_x | adjust_y) != 0;
    return (*dev_proc(dev, fill_path))
	(dev, (const gs_imager_state *)pgs, ppath, &params, pdevc, pcpath);
}

/* Stroke a path for drawing or saving. */
int
gx_stroke_fill(gx_path * ppath, gs_state * pgs)
{
    gx_device *dev = gs_currentdevice_inline(pgs);
    gx_clip_path *pcpath;
    int code = gx_effective_clip_path(pgs, &pcpath);
    gx_stroke_params params;

    if (code < 0)
	return code;
    params.flatness = (pgs->in_cachedevice > 1 ? 0.0 : pgs->flatness);
    return (*dev_proc(dev, stroke_path))
	(dev, (const gs_imager_state *)pgs, ppath, &params,
	 pgs->dev_color, pcpath);
}

int
gx_stroke_add(gx_path * ppath, gx_path * to_path,
	      const gs_state * pgs)
{
    gx_stroke_params params;

    params.flatness = (pgs->in_cachedevice > 1 ? 0.0 : pgs->flatness);
    return gx_stroke_path_only(ppath, to_path, pgs->device,
			       (const gs_imager_state *)pgs,
			       &params, NULL, NULL);
}

int
gx_imager_stroke_add(gx_path *ppath, gx_path *to_path,
		     gx_device *dev, const gs_imager_state *pis)
{
    gx_stroke_params params;

    params.flatness = pis->flatness;
    return gx_stroke_path_only(ppath, to_path, dev, pis,
			       &params, NULL, NULL);
}