From 5aaf18889c3cdc31ae61b9593bf5848bc57ec09a Mon Sep 17 00:00:00 2001
From: Paulo Henrique Silva <ph.silva@gmail.com>
Date: Thu, 9 Jul 2015 03:54:47 -0300
Subject: Initial patch to unify our render towards cairo

This branch allows a pure cairo based render for both PNG and SVG.

Cairo backend is mostly the same but with improved support for
configurable scale, orientation and inverted color drawing.

API is not yet final.
---
 gerber/cam.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'gerber/cam.py')

diff --git a/gerber/cam.py b/gerber/cam.py
index 31b6d2f..91ffb9a 100644
--- a/gerber/cam.py
+++ b/gerber/cam.py
@@ -253,8 +253,9 @@ class CamFile(object):
         filename : string <optional>
             If provided, save the rendered image to `filename`
         """
-        bounds = [tuple([x * 1.2, y*1.2]) for x, y in self.bounds]
-        ctx.set_bounds(bounds)
+        if ctx.invert:
+            ctx._paint_inverted_layer()
+            
         for p in self.primitives:
             ctx.render(p)
         if filename is not None:
-- 
cgit 


From b3f6ec558ca35a19bd60440f2a114eb98c0a4263 Mon Sep 17 00:00:00 2001
From: Paulo Henrique Silva <ph.silva@gmail.com>
Date: Thu, 9 Jul 2015 04:05:15 -0300
Subject: Fix arcs and ackground painting

---
 gerber/cam.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'gerber/cam.py')

diff --git a/gerber/cam.py b/gerber/cam.py
index 91ffb9a..804e366 100644
--- a/gerber/cam.py
+++ b/gerber/cam.py
@@ -253,9 +253,11 @@ class CamFile(object):
         filename : string <optional>
             If provided, save the rendered image to `filename`
         """
+        ctx._paint_background()
+        
         if ctx.invert:
             ctx._paint_inverted_layer()
-            
+
         for p in self.primitives:
             ctx.render(p)
         if filename is not None:
-- 
cgit 


From 39726e3936c5fa5c50158727e8eb7f5d01cb1b49 Mon Sep 17 00:00:00 2001
From: Hamilton Kibbe <hamilton.kibbe@gmail.com>
Date: Wed, 22 Jul 2015 22:13:09 -0400
Subject: Fix multiple layer issue in cairo-unification branch (see #33)

---
 gerber/cam.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'gerber/cam.py')

diff --git a/gerber/cam.py b/gerber/cam.py
index 804e366..0a68b23 100644
--- a/gerber/cam.py
+++ b/gerber/cam.py
@@ -253,8 +253,8 @@ class CamFile(object):
         filename : string <optional>
             If provided, save the rendered image to `filename`
         """
+        ctx.set_bounds(self.bounds)
         ctx._paint_background()
-        
         if ctx.invert:
             ctx._paint_inverted_layer()
 
-- 
cgit