From 1cb269131bc52f0b1a1e69cef0466f2d994d52a8 Mon Sep 17 00:00:00 2001
From: Hamilton Kibbe <hamilton.kibbe@gmail.com>
Date: Sat, 19 Dec 2015 21:54:29 -0500
Subject: Allow negative render of soldermask per #50 Update example code and
 rendering to show change

---
 examples/cairo_example.png | Bin 110829 -> 104949 bytes
 examples/cairo_example.py  |  19 ++++++++++++-------
 2 files changed, 12 insertions(+), 7 deletions(-)

(limited to 'examples')

diff --git a/examples/cairo_example.png b/examples/cairo_example.png
index 485586e..fc4536a 100644
Binary files a/examples/cairo_example.png and b/examples/cairo_example.png differ
diff --git a/examples/cairo_example.py b/examples/cairo_example.py
index a312e89..f2f6723 100644
--- a/examples/cairo_example.py
+++ b/examples/cairo_example.py
@@ -25,7 +25,7 @@ a .png file.
 
 import os
 from gerber import read
-from gerber.render import GerberCairoContext
+from gerber.render import GerberCairoContext, theme
 
 GERBER_FOLDER = os.path.abspath(os.path.join(os.path.dirname(__file__), 'gerbers'))
 
@@ -40,25 +40,30 @@ drill = read(os.path.join(GERBER_FOLDER, 'ncdrill.DRD'))
 # Create a new drawing context
 ctx = GerberCairoContext()
 
+# Set opacity and color for copper layer
+ctx.alpha = 1.0
+ctx.color = theme.COLORS['hasl copper']
+
 # Draw the copper layer
 copper.render(ctx)
 
 # Set opacity and color for soldermask layer
-ctx.alpha = 0.6
-ctx.color = (0.2, 0.2, 0.75)
+ctx.alpha = 0.75
+ctx.color = theme.COLORS['green soldermask']
 
 # Draw the soldermask layer
-mask.render(ctx)
+mask.render(ctx, invert=True)
 
 # Set opacity and color for silkscreen layer
-ctx.alpha = 0.85
-ctx.color = (1, 1, 1)
+ctx.alpha = 1.0
+ctx.color = theme.COLORS['white']
 
 # Draw the silkscreen layer
 silk.render(ctx)
 
 # Set opacity for drill layer
-ctx.alpha = 1.
+ctx.alpha = 1.0
+ctx.color = theme.COLORS['black']
 drill.render(ctx)
 
 # Write output to png file
-- 
cgit