#include "xsimple.h"
#include <string.h>

static unsigned long curbgcolor = -1;
static unsigned long curfgcolor = -1;
static int curlinewidth = -1;


void setlinewidth(int width)
{
    if (width != curlinewidth) {
	XSetLineAttributes(xv.d, xv.gc, width, LineSolid, CapButt, JoinMiter);
	curlinewidth = width;
    }
}

void cls(unsigned long pixel)
{
    if (pixel != curfgcolor) {
	XSetForeground(xv.d, xv.gc, pixel);
	curfgcolor = pixel;
    }
    XFillRectangle(xv.d, xv.pmap, xv.gc, 0, 0, xv.width, xv.height);
}

void pset(int x, int y, unsigned long pixel)
{
    if (pixel != curfgcolor) {
	XSetForeground(xv.d, xv.gc, pixel);
	curfgcolor = pixel;
    }
    XDrawPoint(xv.d, xv.pmap, xv.gc, x, y);
}

void line(int x1, int y1, int x2, int y2, unsigned long pixel)
{
    if (pixel != curfgcolor) {
	XSetForeground(xv.d, xv.gc, pixel);
	curfgcolor = pixel;
    }
    XDrawLine(xv.d, xv.pmap, xv.gc, x1, y1, x2, y2);
}

void poly(XPoint *points, int npoints, unsigned long pixel)
{
    if (pixel != curfgcolor) {
	XSetForeground(xv.d, xv.gc, pixel);
	curfgcolor = pixel;
    }
    XDrawLines(xv.d, xv.pmap, xv.gc, points, npoints, CoordModeOrigin);
}

void fillpoly(XPoint *points, int npoints, unsigned long pixel)
{
    if (pixel != curfgcolor) {
	XSetForeground(xv.d, xv.gc, pixel);
	curfgcolor = pixel;
    }
    XFillPolygon(xv.d, xv.pmap, xv.gc, points, npoints, Nonconvex,
	    CoordModeOrigin);
}

void rect(int x, int y, int width, int height, unsigned long pixel)
{
    if (pixel != curfgcolor) {
	XSetForeground(xv.d, xv.gc, pixel);
	curfgcolor = pixel;
    }
    XDrawRectangle(xv.d, xv.pmap, xv.gc, x, y, width - 1, height - 1);
}

void fillrect(int x, int y, int width, int height, unsigned long pixel)
{
    if (pixel != curfgcolor) {
	XSetForeground(xv.d, xv.gc, pixel);
	curfgcolor = pixel;
    }
    XFillRectangle(xv.d, xv.pmap, xv.gc, x, y, width, height);
}

void ellipse(int x, int y, int width, int height, unsigned long pixel)
{
    if (pixel != curfgcolor) {
	XSetForeground(xv.d, xv.gc, pixel);
	curfgcolor = pixel;
    }
    XDrawArc(xv.d, xv.pmap, xv.gc, x, y, width - 1, height - 1, 0, 360 * 64);
}

void fillellipse(int x, int y, int width, int height, unsigned long pixel)
{
    if (pixel != curfgcolor) {
	XSetForeground(xv.d, xv.gc, pixel);
	curfgcolor = pixel;
    }
    XFillArc(xv.d, xv.pmap, xv.gc, x, y, width - 1, height - 1, 0, 360 * 64);
}

void string(int x, int y, char *s, unsigned long pixel)
{
    if (pixel != curfgcolor) {
	XSetForeground(xv.d, xv.gc, pixel);
	curfgcolor = pixel;
    }
    XDrawString(xv.d, xv.pmap, xv.gc, x, y, s, strlen(s));
}

void imgstring(int x, int y, char *s, unsigned long bgpixel,
	unsigned long fgpixel)
{
    if (bgpixel != curbgcolor) {
	XSetBackground(xv.d, xv.gc, bgpixel);
	curbgcolor = bgpixel;
    }
    if (fgpixel != curfgcolor) {
	XSetForeground(xv.d, xv.gc, fgpixel);
	curfgcolor = fgpixel;
    }
    XDrawImageString(xv.d, xv.pmap, xv.gc, x, y, s, strlen(s));
}
.