From ba5627cd2e584cbc6f1a7c6833d39e2692eb8ea9 Mon Sep 17 00:00:00 2001
From: "yu.dongliang" <18588496441@163.com>
Date: Tue, 11 Jul 2023 20:08:54 +0800
Subject: [PATCH] eda draw Transistor

---
 ses_layout.c | 56 ++++++++++++++++++++++++++++++++++++++++++----------
 1 file changed, 46 insertions(+), 10 deletions(-)

diff --git a/ses_layout.c b/ses_layout.c
index 5b10968..8562d98 100644
--- a/ses_layout.c
+++ b/ses_layout.c
@@ -471,6 +471,9 @@ int ses_layout_draw(ScfEboard* b, uint32_t bx, uint32_t by, uint32_t bw, uint32_
 	ScfEfunction*    f;
 	ScfEline*        el;
 	ScfEpin*         p;
+	ScfEpin*         pb;
+	ScfEpin*         pc;
+	ScfEpin*         pe;
 	ScfLine*         l;
 
 	cairo_surface_t* surface;
@@ -665,20 +668,53 @@ int ses_layout_draw(ScfEboard* b, uint32_t bx, uint32_t by, uint32_t bw, uint32_
 					break;
 
 				case SCF_EDA_Transistor:
-					cairo_arc(cr, c->x, c->y, 5, 0, 2 * M_PI);
+					pb = c->pins[SCF_EDA_Transistor_B];
+					pc = c->pins[SCF_EDA_Transistor_C];
+					pe = c->pins[SCF_EDA_Transistor_E];
 
-					p = c->pins[SCF_EDA_Transistor_E];
-					cairo_move_to(cr, c->x, c->y);
-					cairo_line_to(cr, p->x, p->y);
+					vertical(&dx0, &dy0, c->x - pb->x, c->y - pb->y,  8);
+					vertical(&dx2, &dy2, c->x - pb->x, c->y - pb->y, -16);
+					forward (&dx3, &dy3, c->x - pb->x, c->y - pb->y,  16);
 
-					p = c->pins[SCF_EDA_Transistor_C];
-					cairo_move_to(cr, c->x, c->y);
-					cairo_line_to(cr, p->x, p->y);
+					cairo_arc(cr, c->x + dx3 / 4, c->y + dy3 / 4, 12, 0, 2 * M_PI);
 
-					p = c->pins[SCF_EDA_Transistor_B];
-					cairo_move_to(cr, c->x, c->y);
-					cairo_line_to(cr, p->x, p->y);
+					cairo_move_to    (cr, pb->x, pb->y);
+					cairo_line_to    (cr, c->x,  c->y);
+					cairo_rel_move_to(cr, dx0,  dy0);
+					cairo_rel_line_to(cr, dx2,  dy2);
+
+					if (pc->y < pe->y) {
+						cairo_move_to(cr, c->x,  c->y);
+						cairo_line_to(cr, c->x + dx3 + dx0,  c->y + dy3 + dy0);
+						cairo_line_to(cr, pe->x, pe->y);
+
+						vertical(&dx1, &dy1, dx3 + dx0, dy3 + dy0, 3);
+						forward (&dx4, &dy4, dx3 + dx0, dy3 + dy0, 8);
 
+						cairo_move_to(cr, c->x + dx4 + dx1,  c->y + dy4 + dy1);
+						cairo_line_to(cr, c->x + dx3 + dx0,  c->y + dy3 + dy0);
+						cairo_line_to(cr, c->x + dx4 - dx1,  c->y + dy4 - dy1);
+
+						cairo_move_to(cr, c->x,  c->y);
+						cairo_line_to(cr, c->x + dx3 - dx0,  c->y + dy3 - dy0);
+						cairo_line_to(cr, pc->x, pc->y);
+					} else {
+						cairo_move_to(cr, c->x,  c->y);
+						cairo_line_to(cr, c->x + dx3 + dx0,  c->y + dy3 + dy0);
+						cairo_line_to(cr, pc->x, pc->y);
+
+						cairo_move_to(cr, c->x,  c->y);
+						cairo_line_to(cr, c->x + dx3 - dx0,  c->y + dy3 - dy0);
+						cairo_line_to(cr, pe->x, pe->y);
+
+						vertical(&dx1, &dy1, dx3 - dx0, dy3 - dy0, 3);
+						forward (&dx4, &dy4, dx3 - dx0, dy3 - dy0, 8);
+
+						cairo_move_to(cr, c->x + dx4 + dx1,  c->y + dy4 + dy1);
+						cairo_line_to(cr, c->x + dx3 - dx0,  c->y + dy3 - dy0);
+						cairo_line_to(cr, c->x + dx4 - dx1,  c->y + dy4 - dy1);
+					}
+					break;
 				default:
 					break;
 			};
-- 
2.25.1