From d63bf0d68ae100c0413c7619f96d5d1c65da6c4e Mon Sep 17 00:00:00 2001
From: Hamilton Kibbe <hamilton.kibbe@gmail.com>
Date: Sun, 15 Feb 2015 13:29:50 -0500
Subject: Fix cairo image size
---
examples/cairo_example.png | Bin 2397907 -> 2078392 bytes
gerber/render/cairo_backend.py | 9 ++++++++-
2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/examples/cairo_example.png b/examples/cairo_example.png
index d6076b5..d92865d 100644
Binary files a/examples/cairo_example.png and b/examples/cairo_example.png differ
diff --git a/gerber/render/cairo_backend.py b/gerber/render/cairo_backend.py
index 18d1ceb..f79dfbe 100644
--- a/gerber/render/cairo_backend.py
+++ b/gerber/render/cairo_backend.py
@@ -44,7 +44,14 @@ class GerberCairoContext(GerberContext):
def set_bounds(self, bounds):
if not self.background:
xbounds, ybounds = bounds
- self.ctx.rectangle(SCALE * xbounds[0], SCALE * ybounds[0], SCALE * (xbounds[1]- xbounds[0]), SCALE * (ybounds[1] - ybounds[0]))
+ width = SCALE * (xbounds[1] - xbounds[0])
+ height = SCALE * (ybounds[1] - ybounds[0])
+ self.surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, int(width), int(height))
+ self.ctx = cairo.Context(self.surface)
+ self.ctx.translate(0, height)
+ self.scale = (SCALE,SCALE)
+ self.ctx.scale(1, -1)
+ self.ctx.rectangle(SCALE * xbounds[0], SCALE * ybounds[0], width, height)
self.ctx.set_source_rgb(0,0,0)
self.ctx.fill()
self.background = True
--
cgit