diff options
Diffstat (limited to 'src/servo/gfx/render_context.rs')
| -rw-r--r-- | src/servo/gfx/render_context.rs | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/src/servo/gfx/render_context.rs b/src/servo/gfx/render_context.rs index fcdc42481d5..590e5448cc8 100644 --- a/src/servo/gfx/render_context.rs +++ b/src/servo/gfx/render_context.rs @@ -38,14 +38,20 @@ impl RenderContext { } pub fn draw_border(&self, bounds: &Rect<Au>, width: Au, r: u8, g: u8, b: u8) { - let rect = bounds.to_azure_rect(); let color = Color(r.to_float() as AzFloat, g.to_float() as AzFloat, b.to_float() as AzFloat, 1f as AzFloat); let pattern = ColorPattern(color); let stroke_fields = 2; // CAP_SQUARE - let stroke_opts = StrokeOptions(au::to_px(width) as AzFloat, 10 as AzFloat, stroke_fields); + let width_px = au::to_px(width); + let rect = if width_px % 2 == 0 { + bounds.to_azure_rect() + } else { + bounds.to_azure_snapped_rect() + }; + + let stroke_opts = StrokeOptions(width_px as AzFloat, 10 as AzFloat, stroke_fields); let draw_opts = DrawOptions(1 as AzFloat, 0 as uint16_t); self.canvas.draw_target.stroke_rect(&rect, &pattern, &stroke_opts, &draw_opts); @@ -162,6 +168,7 @@ impl u8 : to_float { trait ToAzureRect { fn to_azure_rect() -> Rect<AzFloat>; + fn to_azure_snapped_rect() -> Rect<AzFloat>; } impl Rect<Au> : ToAzureRect { @@ -169,6 +176,11 @@ impl Rect<Au> : ToAzureRect { Rect(Point2D(au::to_px(self.origin.x) as AzFloat, au::to_px(self.origin.y) as AzFloat), Size2D(au::to_px(self.size.width) as AzFloat, au::to_px(self.size.height) as AzFloat)) } + + fn to_azure_snapped_rect() -> Rect<AzFloat> { + Rect(Point2D(au::to_px(self.origin.x) as AzFloat + 0.5f as AzFloat, au::to_px(self.origin.y) as AzFloat + 0.5f as AzFloat), + Size2D(au::to_px(self.size.width) as AzFloat, au::to_px(self.size.height) as AzFloat)) + } } #[cfg(target_os = "linux")] |