diff options
Diffstat (limited to 'gerber/render/cairo_backend.py')
| -rw-r--r-- | gerber/render/cairo_backend.py | 9 |
1 files changed, 8 insertions, 1 deletions
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
|