From 1538ebaf220ebc25243f2f71eb26c91cdf10548a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Konstantin=20Ka=CC=88fer?= <mail@kkaefer.com>
Date: Mon, 27 Jan 2014 17:21:48 +0100
Subject: cascade styles

---
 proto/style.proto | 44 +++++++++++++++++++++++++++++++++++++-------
 1 file changed, 37 insertions(+), 7 deletions(-)

(limited to 'proto')

diff --git a/proto/style.proto b/proto/style.proto
index d5f1c6c9f5..5a977d799c 100644
--- a/proto/style.proto
+++ b/proto/style.proto
@@ -2,6 +2,8 @@ enum bucket_type {
     fill = 1;
     line = 2;
     point = 3;
+
+    background = 15;
 }
 
 enum cap_type {
@@ -13,6 +15,17 @@ enum join_type {
     bevel = 2;
 }
 
+enum winding_type {
+    evenodd = 1;
+    nonzero = 2;
+}
+
+enum property_type {
+    null = 1;
+    constant = 2;
+    stops = 3;
+}
+
 message value {
     // Exactly one of these values may be present in a valid message
     optional string string_value = 1;
@@ -49,21 +62,38 @@ message layer {
     repeated layer child_layer = 3;
 }
 
-message width {
-    optional string scaling = 1;
+message property {
+    required property_type function = 1;
     repeated float value = 2 [ packed = true ];
 }
 
-message layer_style {
+message fill_style {
+    required string layer_name = 1;
+    optional property hidden = 2;
+    optional winding_type winding = 3 [ default = nonzero ];
+    optional property antialias = 4;
+    optional fixed32 fill_color = 5 [ default = 0x000000FF ]; // rgba (=> rgb << 8 | 0xFF for opaque!)
+    optional fixed32 stroke_color = 6; // if none is specified, no stroke will be painted
+    optional property opacity = 7; // values from 0..1
+    // TODO: translate x/y
+}
+
+message stroke_style {
     required string layer_name = 1;
-    optional fixed32 color = 2; // rgba (=> rgb << 8 | 0xFF for opaque!)
-    optional bool antialias = 3;
-    optional width width = 4;
+    optional property hidden = 2;
+    optional fixed32 color = 3 [ default = 0x000000FF ]; // rgba (=> rgb << 8 | 0xFF for opaque!)
+    optional property width = 4;
+    optional property offset = 5;
+    // line join + line cap are already defined in the
+    // TODO: dasharray
+    // TODO: image/icon
+    // TODO: translate x/y
 }
 
 message class {
     required string name = 1;
-    repeated layer_style layer = 2;
+    repeated fill_style fill = 2;
+    repeated stroke_style stroke = 3;
 }
 
 // root level object
-- 
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