#include "cairodriver.h"

/* "cached" color (to avoid more color change calls than necessary) */
/* TODO: find a proper solution for initialization */
int previous_color = 0x7FFFFFFF;

void Cairo_color(int color)
{
	G_debug(3, "Cairo_color: %d", color);

	if (color != previous_color)
	{
		int r = (color >> 16) & 0xFF;
		int g = (color >>  8) & 0xFF;
		int b = (color >>  0) & 0xFF;

		cairo_set_source_rgba(cairo, CAIROCOLOR(r), CAIROCOLOR(g), CAIROCOLOR(b), 1.0);
		previous_color = color;

		G_debug(3, "Set color to: %g %g %g", CAIROCOLOR(r), CAIROCOLOR(g), CAIROCOLOR(b));
	}
}

int Cairo_lookup_color(int r, int g, int b)
{
	G_debug(3, "Cairo_lookup_color: %d %d %d", r, g, b);

	return (r << 16) + (g << 8) + (b << 0);
}
