From 1944521bb9c407039f2378b4e24784f2d4862b2e Mon Sep 17 00:00:00 2001
From: jaseg <git@jaseg.de>
Date: Sat, 5 Feb 2022 13:27:08 +0100
Subject: Add outline highlight example

---
 examples/highlight_outline.py | 79 +++++++++++++++++++++++--------------------
 1 file changed, 42 insertions(+), 37 deletions(-)

(limited to 'examples')

diff --git a/examples/highlight_outline.py b/examples/highlight_outline.py
index a73b79b..f2e7f3e 100644
--- a/examples/highlight_outline.py
+++ b/examples/highlight_outline.py
@@ -7,44 +7,47 @@ from gerbonara import LayerStack
 from gerbonara.graphic_objects import Line, Arc
 from gerbonara.apertures import CircleAperture
 from gerbonara.utils import MM
+from gerbonara.utils import rotate_point
 
 def highlight_outline(input_dir, output_dir):
-    #stack = LayerStack.from_directory(input_dir)
+    stack = LayerStack.from_directory(input_dir)
 
-    #outline = []
-    #for obj in stack.outline.objects:
-    #    if isinstance(obj, Line):
-    #        outline.append(obj)
-#
-#        elif isinstance(obj, Arc):
-#            outline += obj.approximate(0.1, 'mm')
-
-    # FIXME test code
-    print('<?xml version="1.0" encoding="utf-8"?>')
-    print('<svg width="300mm" height="300mm" viewBox="0 0 300 300" xmlns="http://www.w3.org/2000/svg">')
-    from gerbonara.utils import rotate_point
     outline = []
-    for i in range(16):
-        for j in range(16):
-            cx, cy = i*3, j*3
-            w = i/8
-            angle = j*2*math.pi/16
-            x1, y1 = cx-w/2, cy
-            x2, y2 = cx+w/2, cy
-
-            x1, y1 = rotate_point(x1, y1, angle, cx, cy)
-            x2, y2 = rotate_point(x2, y2, angle, cx, cy)
+    for obj in stack.outline.objects:
+        if isinstance(obj, Line):
+            outline.append(obj.converted('mm'))
 
-            outline.append(Line(x1, y1, x2, y2, aperture=CircleAperture(1.0, unit=MM), unit=MM))
-            print(f'<path style="stroke: red; stroke-width: 0.01mm;" d="M {x1} {y1} L {x2} {y2}"/>')
+        elif isinstance(obj, Arc):
+            outline += obj.converted('mm').approximate(0.1, 'mm')
 
-    marker_angle = math.pi/4
-    marker_spacing = 0.2
-    marker_width = 0.01
+    # FIXME test code
+    #print('<?xml version="1.0" encoding="utf-8"?>')
+    #print('<svg width="300mm" height="300mm" viewBox="0 0 300 300" xmlns="http://www.w3.org/2000/svg">')
+    #outline = []
+    #for i in range(16):
+    #    for j in range(16):
+    #        cx, cy = i*3, j*3
+    #        w = i/8
+    #        angle = j*2*math.pi/16
+    #        x1, y1 = cx-w/2, cy
+    #        x2, y2 = cx+w/2, cy
+    #
+    #        x1, y1 = rotate_point(x1, y1, angle, cx, cy)
+    #        x2, y2 = rotate_point(x2, y2, angle, cx, cy)
+    #
+    #        outline.append(Line(x1, y1, x2, y2, aperture=CircleAperture(1.0, unit=MM), unit=MM))
+    #        print(f'<path style="stroke: red; stroke-width: 0.01mm;" d="M {x1} {y1} L {x2} {y2}"/>')
+
+    marker_angle = math.pi/3
+    marker_spacing = 2
+    marker_width = 0.1
 
     marker_dx, marker_dy = math.sin(marker_angle)*marker_spacing, -math.cos(marker_angle)*marker_spacing
     marker_nx, marker_ny = math.sin(marker_angle), math.cos(marker_angle)
 
+    ap = CircleAperture(0.1, unit=MM)
+    stack['top silk'].apertures.append(ap)
+
     for line in outline:
         cx, cy = (line.x1 + line.x2)/2, (line.y1 + line.y2)/2
         dx, dy = line.x1 - cx, line.y1 - cy
@@ -55,7 +58,8 @@ def highlight_outline(input_dir, output_dir):
             continue
 
         cr = math.hypot(cx, cy)
-        w = line.aperture.equivalent_width('mm')
+        #w = line.aperture.equivalent_width('mm')
+        w = 10
 
         tl_x, tl_y = line.x1 + math.sin(angle)*w/2, line.y1 - math.cos(angle)*w/2
         tr_x, tr_y = line.x2 + math.sin(angle)*w/2, line.y2 - math.cos(angle)*w/2
@@ -64,13 +68,11 @@ def highlight_outline(input_dir, output_dir):
 
         tr = math.dist((tl_x, tl_y), (br_x, br_y))/2
 
-        print(f'<path style="stroke: red; stroke-width: 0.01mm; fill: none;" d="M {tl_x} {tl_y} L {tr_x} {tr_y} L {br_x} {br_y} L {bl_x} {bl_y} Z"/>')
+        #print(f'<path style="stroke: red; stroke-width: 0.01mm; fill: none;" d="M {tl_x} {tl_y} L {tr_x} {tr_y} L {br_x} {br_y} L {bl_x} {bl_y} Z"/>')
 
-        rot_cx, rot_cy = rotate_point(cx, cy, -marker_angle)
-        offx = (rot_cy % marker_spacing) / marker_spacing
         n = math.ceil(tr/marker_spacing)
         for i in range(-n, n+1):
-            px, py = cx + (i+offx)*marker_dx, cy + (i+offx)*marker_dy
+            px, py = cx + i*marker_dx, cy + i*marker_dy
 
             lx1, ly1 = px + tr*marker_nx, py + tr*marker_ny
             lx2, ly2 = px - tr*marker_nx, py - tr*marker_ny
@@ -80,7 +82,7 @@ def highlight_outline(input_dir, output_dir):
             #print(f'<circle style="fill: blue; stroke: none;" r="{marker_spacing/2}" cx="{px}" cy="{py}"/>')
 
             def clip_line_point(x1, y1, x2, y2, xabs, yabs):
-                print(x1, y1, x2, y2, end=' -> ', file=sys.stderr)
+                #print(x1, y1, x2, y2, end=' -> ', file=sys.stderr)
                 if x2 != x1:
                     a = (y2 - y1) / (x2 - x1)
                     x2 = min(xabs, max(-xabs, x2))
@@ -97,7 +99,7 @@ def highlight_outline(input_dir, output_dir):
                 elif abs(y1) > yabs:
                     return None
 
-                print(x1, y1, x2, y2, file=sys.stderr)
+                #print(x1, y1, x2, y2, file=sys.stderr)
                 return x1, y1, x2, y2
 
             if not (foo := clip_line_point(lx1-cx, ly1-cy, lx2-cx, ly2-cy, r, w/2)):
@@ -113,7 +115,9 @@ def highlight_outline(input_dir, output_dir):
             lx1, ly1 = rotate_point(lx1, ly1, -angle, cx, cy)
             lx2, ly2 = rotate_point(lx2, ly2, -angle, cx, cy)
 
-            print(f'<path style="stroke: blue; stroke-width: 0.01mm; opacity: 0.2;" d="M {lx1} {ly1} L {lx2} {ly2}"/>')
+            stack['top silk'].objects.append(Line(lx1, ly1, lx2, ly2, unit=MM, aperture=ap, polarity_dark=True))
+
+            #print(f'<path style="stroke: blue; stroke-width: {marker_width}mm; opacity: 0.2;" d="M {lx1} {ly1} L {lx2} {ly2}"/>')
 
             #delta_a = marker_angle - angle
             #ex, ey = px, py
@@ -121,7 +125,8 @@ def highlight_outline(input_dir, output_dir):
             #print(delta_a, file=sys.stderr)
             # delta_a + math.pi/2
 
-    print('</svg>')
+    stack.save_to_directory(output_dir)
+    #print('</svg>')
 
 if __name__ == '__main__':
     import argparse
-- 
cgit