#pragma once


int gw(char *buf)
{
    return *((int*)buf);
}


int gh(char *buf)
{
    return *((int*)buf + 1);
}


char* pixel(char *buf, int x, int y)
{
    return buf + 8 + (y * gw(buf) + x) * 4;
}


char* createBuffer(int w, int h, int color)
{
	char* buf = malloc(8 + w * h * 4);

	*((int*)buf) = w;
	*((int*)buf + 1) = h;

	for (int x = 0; x < w; x++)
	{
		for (int y = 0; y < h; y++)
		{
			*(pixel(buf, x, y) + 0) = (color      ) & 0xFF;
			*(pixel(buf, x, y) + 1) = (color >>  8) & 0xFF;
			*(pixel(buf, x, y) + 2) = (color >> 16) & 0xFF;
			*(pixel(buf, x, y) + 3) = (color >> 24) & 0xFF;
		}
	}
	/* memset((char*)buf + 8, -1, h * w * 3); */
	return buf;
}


void drawBuffer(char* buf, int wx, int wy, int x, int y, int w, int h)
{
	ksys_draw_bitmap_palette(pixel(buf, x, y), wx, wy, w, h, 32, NULL, 4 * (gw(buf) - w));
	// _ksys_draw_bitmap(pixel(buf, x, y), wx, wy, w, h);
}