/*
 * PEN.C
 */

#include "defs.h"

void
RUNESYSCALL(xSetForeground) (void *args, int *res)
{
    struct {
	int32_t	gcid;
	int32_t	color;
    } *rhs;
    pthread_mutex_t *mtx;

    rhs = args;
    *res = XSetForeground(SaveDisplay,
			  hashLookup(rhs->gcid, HASH_GC, &mtx),
			  rhs->color);
    threadMutexUnlock(mtx);
}

void
RUNESYSCALL(xSetBackground) (void *args, int *res)
{
    struct {
	int32_t	gcid;
	int32_t	color;
    } *rhs;
    pthread_mutex_t *mtx;

    rhs = args;
    *res = XSetBackground(SaveDisplay,
			  hashLookup(rhs->gcid, HASH_GC, &mtx),
			  rhs->color);
    threadMutexUnlock(mtx);
}


#define COLORMAP DefaultColormap(SaveDisplay, DefaultScreen(SaveDisplay))

void
RUNESYSCALL(xAllocColor) (void *args, int *res)
{
    struct {
	int32_t	r;
	int32_t	g;
	int32_t	b;
    } *rhs;
    XColor  color = {0};

    rhs = args;
    color.red = rhs->r;
    color.green = rhs->g;
    color.blue = rhs->b;
    *res = XAllocColor(SaveDisplay, COLORMAP, &color);	/* XXX */
    *res = color.pixel;
}

void
RUNESYSCALL(xFreeColor) (void *args, int *res)
{
    struct {
	int32_t	pixel;
    } *rhs;
    unsigned long pixel;

    rhs = args;
    pixel = rhs->pixel;
    *res = XFreeColors(SaveDisplay, COLORMAP, &pixel, 1, 0);
}