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#include <dlfcn.h>
#include "xenon.h"
#include "window.h"
#include "display.h"
#include "damage.h"
#include "render.h"
#include "draw.h"
#include "util.h"

Status XAllocColor(
    Display*		display,
    Colormap		colormap,
    XColor*		screen_in_out
)
{
	printf("alloc color ok\n");
}

int XCloseDisplay(
    Display*		display
)
{
	printf("close display ok\n");
}


GC XCreateGC(
    Display*		display,
    Drawable		d,
    unsigned long	valuemask,
    XGCValues*		values
)
{
	// XXX init hack, remove when the renderer is changed to gallium
	extern int inhibit_rendering;
	if (inhibit_rendering)
	{
		void* handle;
		handle = dlopen("/usr/lib64/libX11.so.6", RTLD_LAZY);
		if (!handle)
			handle = dlopen("/usr/lib/libX11.so.6", RTLD_LAZY);
		if (!handle)
			printf("can't open libX11\n");
		typedef GC (* XCreateGCfunc) (Display*, Drawable,unsigned long, XGCValues*);
		XCreateGCfunc XCreateGCreal = dlsym(handle, "XCreateGC");
		return XCreateGCreal(display, d, valuemask, values);
	}

	printf("create GC ok\n");
}

Pixmap XCreatePixmap(
    Display*		display,
    Drawable		d,
    unsigned int	width,
    unsigned int	height,
    unsigned int	depth		        
)
{
	printf("create pixmap ok\n");
}

Window XCreateSimpleWindow(
    Display*		display,
    Window		parent,
    int			x,
    int			y,
    unsigned int	width,
    unsigned int	height,
    unsigned int	border_width,
    unsigned long	border,
    unsigned long	background 
)
{
	Window wid = window_create();
	window_resize(wid, width, height);
	window_move(wid, x, y);
	printf("simple window ok\n");
	return wid;
}

int XDrawLine(
    Display*		display,
    Drawable		d,
    GC			gc,
    int			x1,
    int			y1,
    int			x2,
    int			y2
)
{
}

int XDrawPoint(
    Display*		display,
    Drawable		d,
    GC			gc,
    int			x,
    int			y
)
{
	draw_point(gc, x, y);
}

int XDrawRectangle(
    Display*		display,
    Drawable		d,
    GC			gc,
    int			x,
    int			y,
    unsigned int	width,
    unsigned int	height
)
{
	xenon_rect r = {x,y,width,height};
	draw_rectangle(gc, &r);
	printf("draw rectangle ok\n");
}

int XDrawString(
    Display*		display,
    Drawable		d,
    GC			gc,
    int			x,
    int			y,
    _Xconst char*	string,
    int			length
)
{
	printf("draw string ok\n");
}

int XFillRectangle(
    Display*		display,
    Drawable		d,
    GC			gc,
    int			x,
    int			y,
    unsigned int	width,
    unsigned int	height
)
{
	printf("fill rectangle ok\n");
}

int XFlush(
    Display*		display
)
{
	render_update(damage_current());
	damage_clear();
	printf("flush ok\n");
}

void XFlushGC(
    Display*		display,
    GC			gc
)
{
	XFlush(display);
}

int XMapWindow(
    Display*		display,
    Window		w
)
{
	printf("map window ok\n");
	
}

int XNextEvent(
    Display*		display,
    XEvent*		event_return
)
{
	printf("event requested\n");
	event_return->type = KeyPress;
}

Display *XOpenDisplay(
    _Xconst char* name /* display_name */
)
{
	Display* r = display_find(name);
	printf("open display ok\n");
	return r;
}

Status XParseColor(
    Display*		display,
    Colormap		colormap,
    _Xconst char*	spec,
    XColor*		exact_def_return
)
{
	unsigned long r,g,b;
	if (!spec)
		return BadValue;
	if (spec[0] == '#')
	{
		switch(strlen(spec))
		{
			case 4:
				r = hexval(spec[1]) << 12;
				g = hexval(spec[2]) << 12;
				b = hexval(spec[3]) << 12;
				break;
			case 7:
				r = ( hexval(spec[1]) << 12 ) + ( hexval(spec[2]) << 8 );
				g = ( hexval(spec[3]) << 12 ) + ( hexval(spec[4]) << 8 );
				b = ( hexval(spec[5]) << 12 ) + ( hexval(spec[6]) << 8 );
				break;
			case 10:
				r = ( hexval(spec[1]) << 12 ) + ( hexval(spec[2]) << 8 ) + ( hexval(spec[3]) << 4 );
				g = ( hexval(spec[4]) << 12 ) + ( hexval(spec[5]) << 8 ) + ( hexval(spec[6]) << 4 );
				b = ( hexval(spec[7]) << 12 ) + ( hexval(spec[8]) << 8 ) + ( hexval(spec[9]) << 4 );
				break;
			case 13:
				r = ( hexval(spec[1]) << 12 ) + ( hexval(spec[2]) << 8 ) + ( hexval(spec[3]) << 4 ) + hexval(spec[4]);
				g = ( hexval(spec[5]) << 12 ) + ( hexval(spec[6]) << 8 ) + ( hexval(spec[7]) << 4 ) + hexval(spec[8]);
				b = ( hexval(spec[9]) << 12 ) + ( hexval(spec[10]) << 8 ) + ( hexval(spec[11]) << 4 ) + hexval(spec[12]);
				break;
			default:
			return BadValue;
		}
		exact_def_return -> red = r;
		exact_def_return -> green = g;
		exact_def_return -> blue = b;
		exact_def_return -> pixel = (r << 32) | (g << 16) | b;
		printf("parse color ok %x-%x-%x\n",r>>8,g>>8,b>>8);
	}
	else
	{
		return BadValue;
	}
}

int XPutImage(
    Display*		display,
    Drawable		d,
    GC			gc, 
    XImage*		image,
    int			src_x,
    int			src_y,
    int			dest_x,
    int			dest_y,
    unsigned int	width,
    unsigned int	height 	  
)
{
	// XXX init hack, remove when the renderer is changed to gallium
	extern int inhibit_rendering;
	if (inhibit_rendering)
	{
		void* handle;
		handle = dlopen("/usr/lib64/libX11.so.6", RTLD_LAZY);
		if (!handle)
			handle = dlopen("/usr/lib/libX11.so.6", RTLD_LAZY);
		if (!handle)
			printf("can't open libX11\n");
		typedef int (* XPutImagefunc) (Display*, Drawable, GC, XImage*, int, int, int, int, unsigned, unsigned);
		XPutImagefunc XPutImagereal = dlsym(handle, "XPutImage");
		return XPutImagereal(display, d, gc, image, src_x, src_y, dest_x, dest_y, width, height);
	}

	xenon_rect r = {src_x,src_y,width,height};
	draw_image(gc, image, &r, dest_x, dest_y);
	printf("put image ok\n");
}

int XSelectInput(
    Display*		display,
    Window		w,
    long		event_mask
)
{
	printf("select input ok\n");
}

int XSetForeground(
    Display*		display,
    GC			gc,
    unsigned long	foreground
)
{
	printf("set foreground ok\n");
}