xdraw.c

来自「linux系统下的音频通信」· C语言 代码 · 共 83 行

/* 
 * xdraw.c --
 *
 *	This file contains generic procedures related to X drawing
 *	primitives.
 *
 * Copyright (c) 1995 Sun Microsystems, Inc.
 *
 * See the file "license.terms" for information on usage and redistribution
 * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 *
 * SCCS: @(#) xdraw.c 1.2 96/02/15 18:55:46
 */

#include "tk.h"

/*
 *----------------------------------------------------------------------
 *
 * XDrawLine --
 *
 *	Draw a single line between two points in a given drawable. 
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	Draws a single line segment.
 *
 *----------------------------------------------------------------------
 */

void
XDrawLine(display, d, gc, x1, y1, x2, y2)
    Display* display;
    Drawable d;
    GC gc;
    int x1, y1, x2, y2;		/* Coordinates of line segment. */
{
    XPoint points[2];

    points[0].x = x1;
    points[0].y = y1;
    points[1].x = x2;
    points[1].y = y2;
    XDrawLines(display, d, gc, points, 2, CoordModeOrigin);
}

/*
 *----------------------------------------------------------------------
 *
 * XFillRectangle --
 *
 *	Fills a rectangular area in the given drawable.  This procedure
 *	is implemented as a call to XFillRectangles.
 *
 * Results:
 *	None
 *
 * Side effects:
 *	Fills the specified rectangle.
 *
 *----------------------------------------------------------------------
 */

void
XFillRectangle(display, d, gc, x, y, width, height)
    Display* display;
    Drawable d;
    GC gc;
    int x;
    int y;
    unsigned int width;
    unsigned int height;
{
    XRectangle rectangle;
    rectangle.x = x;
    rectangle.y = y;
    rectangle.width = width;
    rectangle.height = height;
    XFillRectangles(display, d, gc, &rectangle, 1);
}