Issue #1274 - Part 1: Adopt the cairo version as our own.

- Move header licensing from tri-license to MPL 2.0. MPL-compatible
  other licensing has been retained where originally present.
- Remove individual superseded licensing terms.
- Remove patches, outdated readmes & incomplete patch summaries.
- Remove incomplete cairo release notes (only went up to 1.6.4 anyway).
- Rewrite COPYING to indicate the current state of the library in tree.

1 files changed, 0 insertions, 46 deletions

diff --git a/gfx/cairo/premultiply-alpha-solid-gradients.patch b/gfx/cairo/premultiply-alpha-solid-gradients.patch
deleted file mode 100644
index 665f64969..000000000
--- a/gfx/cairo/premultiply-alpha-solid-gradients.patch
+++ /dev/null
@@ -1,46 +0,0 @@
-Fix single and multi-stop solid gradients by multiplying by the alpha component. r=roc
-
-This cairo commit that caused the problem: 2d790daa957471670f4ae0d3b22da89e4ee7111f.
-It was merged into mozilla-central with 1effb72d30cf
-
-diff --git a/gfx/cairo/cairo/src/cairo-pattern.c b/gfx/cairo/cairo/src/cairo-pattern.c
---- a/gfx/cairo/cairo/src/cairo-pattern.c
-+++ b/gfx/cairo/cairo/src/cairo-pattern.c
-@@ -2262,8 +2262,17 @@ _cairo_pattern_acquire_surface (const ca
- 
- 	    if (src->n_stops)
- 	    {
-+		cairo_color_t color;
-+
-+		/* multiply by alpha */
-+		_cairo_color_init_rgba (&color,
-+			src->stops->color.red,
-+			src->stops->color.green,
-+			src->stops->color.blue,
-+			src->stops->color.alpha);
-+
- 		_cairo_pattern_init_solid (&solid,
--					   &src->stops->color,
-+					   &color,
- 					   CAIRO_CONTENT_COLOR_ALPHA);
- 	    }
- 	    else
-@@ -2295,9 +2304,17 @@ _cairo_pattern_acquire_surface (const ca
- 	    }
- 	    if (i == src->n_stops) {
- 		cairo_solid_pattern_t solid;
-+		cairo_color_t color;
-+
-+		/* multiply by alpha */
-+		_cairo_color_init_rgba (&color,
-+			src->stops->color.red,
-+			src->stops->color.green,
-+			src->stops->color.blue,
-+			src->stops->color.alpha);
- 
- 		_cairo_pattern_init_solid (&solid,
--					   &src->stops->color,
-+					   &color,
- 					   CAIRO_CONTENT_COLOR_ALPHA);
- 
- 		status =