#include "main.h"
#include "hid.h"
#include "hid_inlines.h"

void pcbhl_expose_main(pcb_hid_t *hid, const pcb_hid_expose_ctx_t *region, pcb_xform_t *xform_caller)
{
	hle_line_t *l;
	hle_rtree_it_t it;
	hle_rtree_box_t qb;
	pcb_hid_gc_t gc;

	/* announce start of rendering */
	pcb_gui->render_burst(PCB_HID_BURST_START, &region->view);

	/* The canvas needs to be set up (reset) and put in positive drawing mode */
	pcb_gui->set_drawing_mode(PCB_HID_COMP_RESET, 1, &region->view);
	pcb_gui->set_drawing_mode(PCB_HID_COMP_POSITIVE, 1, &region->view);

	/* gc is the pen */
	gc = pcb_gui->make_gc();
	pcb_gui->set_color(gc, pcb_color_black);

	/* do an rtree search on the visible region to see what needs to be drawn */
	qb.x1 = region->view.X1;
	qb.y1 = region->view.Y1;
	qb.x2 = region->view.X2;
	qb.y2 = region->view.Y2;
	for(l = hle_rtree_first(&it, &hle_design.lines, &qb); l != NULL; l = hle_rtree_next(&it)) {
		pcb_hid_set_line_width(gc, l->thick);
		pcb_hid_set_line_cap(gc, pcb_cap_round);
		pcb_gui->draw_line(gc, l->x1, l->y1, l->x2, l->y2);
	}

	pcb_gui->set_drawing_mode(PCB_HID_COMP_FLUSH, 1, &region->view);
	pcb_gui->destroy_gc(gc);
	pcb_gui->render_burst(PCB_HID_BURST_END, &region->view);
}

void pcbhl_expose_preview(pcb_hid_t *hid, const pcb_hid_expose_ctx_t *e)
{

}